The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of track rail lower gasket and preparation method thereof,Not only increase mechanical property, enhance hardness, weatherability and heat resistance, can be kept under use for a long time elasticity andHardness, damping and supporting role are carried out to train.The stability of pad is improved using wollastonite powder, is not susceptible to deform, canThe long-term effect for bearing train exercise load, reduces cost, can carry out industrialized production.Enhance and prepare the hard of padDegree, compression strength and heat endurance.In the mechanical property and stability of reinforced gasket, elasticity can be kept, reinforced gasketAnti-seismic performance.
The purpose of the present invention is achieved through the following technical solutions：A kind of pad, including following component and ratio containAmount：
Described silane coupler is handled including the use of pretreatment steps, in described pretreatment steps,Processing is diluted to silane coupler, diluted concentration is between 15.8~27.5%, silane coupler solution after dilutionIn directly add the wollastonite powder, and be sufficiently stirred；To the wollastonite powder solution after being uniformly mixed, carry out separation andModified later Si powder is prepared in drying process.
A kind of method for making the pad, including：The step of being pre-processed to the wollastonite powder and by the silicon ashPowder carries out compound step；
In the step of preparing wollastonite powder, comprise the following steps：
S1：Raw material proportioning step, by silane coupler carry out beforehand dilution processing, diluted concentration 15.8~27.5% itBetween, then add ethanol, the addition control of described ethanol is carried out at 1~2 times of silane coupler dilute solution volumeStir the silane coupler solution pre-processed；
S2：Heating stepses, the silane coupler solution into step S1 by pretreatment add 100~300 parts of silicon ashPowder, and heat and be sufficiently stirred, the wollastonite powder solution being uniformly mixed；
S3：Dispersion steps, high speed centrifugation is carried out to the uniform wollastonite powder solution obtained in step S2 and disperseed after obtaining layeringCentrifugal dispersion liquid；
S4：Drying steps, processing is dried in the Centrifugal dispersion liquid in step S3, after moisture evaporation is obtained pretreatmentWollastonite powder；
In the wollastonite powder is carried out into compound step, comprise the following steps：
SS1：200~300 parts of the dimethythiotoluene diamine into volumetric flask, heating water bath is carried out to temperature at 100 DEG CWhen between~150 DEG C, 10~20 minutes are kept, then reduces the temperature between 70 DEG C~90 DEG C, adds 400~600The methyl diphenylene diisocyanate of part, and acetone is added after being stirred, obtain mixed solution；
SS2：The pretreated wollastonite powder that will be obtained in step S4, be added in step SS1 be stirred to obtain it is moltenIn liquid and it is stirred, is heated and stirred in a water bath；
SS3：In the solution that 150~200 parts of alcohol polyethers is added in step SS2 again and it is sufficiently stirred, thenThe solution for the alcohol polyethers for adding 150~200 parts is subjected to the magnetic agitation time of 2~4 hours；
SS4：After step SS3,20~40 parts of Ammonia curing agent is added into the solution after magnetic agitation, and againAfter carrying out the magnetic agitation time of 1~1.5 hour, obtained solution-cast is subjected to solidified forming into shim mold.
Further, in step sl, when silane coupler being carried out into beforehand dilution processing, diluted concentration is further controlledThen system adds ethanol between 18.0~24.5%, the addition of described ethanol is controlled in silane coupler dilute solutionBetween 1~1.5 times of volume.
Further, in step s 2, heating-up temperature is between 50 DEG C~80 DEG C.
Further, in step s3, high speed centrifugation is carried out to the uniform wollastonite powder solution obtained in step S2 to disperseCentrifugal dispersion liquid after being layered, centrifugation rate is between 6000~10000r/min.
Further, in step s 4, the Centrifugal dispersion liquid in step S3 is positioned in baking oven and processing is dried,The temperature in baking oven is controlled moisture evaporation is obtained pretreated wollastonite powder between 80~90 DEG C.
Further, in step SS1, into volumetric flask, 220~260 parts of dimethythiotoluene diamine, enters water-fillingBath is heated to temperature when between 100 DEG C~150 DEG C, keeps 12~15 minutes, then reduces the temperature to 70 DEG C~80 DEG CBetween, 400~600 parts of methyl diphenylene diisocyanate is added, and acetone is added after being stirred, mixedSolution.
Further, in step SS2, the pretreated wollastonite powder that will be obtained in step S4 is added to step SS1In in the solution that is stirred to obtain and be stirred, heated and stirred in a water bath, the temperature control of water-bath 50~Between 80 DEG C.
Further, in step SS3,150~200 parts of alcohol polyethers is added in the solution in step SS2 simultaneouslyBe sufficiently stirred, control the temperature of water-bath between 50~80 DEG C, then by add 150~200 parts alcohol polyethers it is moltenLiquid carries out the magnetic agitation time of 2~4 hours.
Further, in step SS4, the Centrifugal dispersion liquid in step S3 is positioned in baking oven place is driedReason, the temperature in baking oven is controlled moisture evaporation is obtained pretreated wollastonite powder between 80 DEG C~90 DEG C.
The beneficial effects of the invention are as follows：Wollastonite powder of the pad of the present invention Jing Guo pretreatment modification is prepared, and improvesMechanical property, hardness, weatherability and heat resistance are enhanced, elasticity and hardness can be kept under use for a long time, to rowCar carries out damping and supporting role.Also, the stability of pad is improved using wollastonite powder, is not susceptible to deform, can be long-termThe effect of train exercise load is born, reduces cost, industrialized production can be carried out.Compared to the pad making side of routineMethod, wollastonite powder is selected, and wollastonite powder has been handled in advance, it is steady to enhance the hardness for preparing pad, compression strength and heatIt is qualitative.And wollastonite powder and dimethythiotoluene diamine etc. are carried out it is compound, in the mechanical property and stability of reinforced gasket,Elasticity, the anti-seismic performance of reinforced gasket can be kept.
The technique effect of the present invention is not limited to the described above.Above technique effect is merely exemplary to illustrate, of the inventionOther features and its effect etc. will be described in detail in subsequent specific embodiment part.Those skilled in the art can rootRemaining technique effect etc. can directly or indirectly be known according to the description of the present application, here is omitted.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited toIt is as described below.All features disclosed in this specification, or implicit disclosed all methods or during the step of, except mutualBeyond the feature and/or step of repulsion, it can combine in any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically chattingState, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each featureIt is an example in a series of equivalent or similar characteristics.
The specific embodiment of the present invention is described more fully below, it should be noted that the embodiments described herein is served only for illustratingIllustrate, be not intended to limit the invention.In the following description, in order to provide thorough understanding of the present invention, a large amount of spies are elaboratedDetermine details.It will be apparent, however, to one skilled in the art that：This hair need not be carried out using these specific detailsIt is bright.In other instances, in order to avoid obscuring the present invention, known circuit, software or method are not specifically described.
Throughout the specification, meaning is referred to " one embodiment ", " embodiment ", " example " or " example "：It is comprised in reference to special characteristic, structure or the characteristic that the embodiment or example describe at least one embodiment of the present invention.Therefore, each local phrase " in one embodiment " occurred in entire disclosure, " in embodiment ", " example "Or " example " is not necessarily all referring to the same embodiment or example.Furthermore, it is possible to any appropriate combination and or sub-portfolio will be specificFeature, structure or property combination in one or more embodiments or example.In addition, those of ordinary skill in the art should manageSolution, diagram is provided to the purpose of explanation provided herein, and diagram is not necessarily drawn to scale.
As shown in figure 1, a kind of pad, including following component and proportional amount：
Described silane coupler is handled including the use of pretreatment steps, in described pretreatment steps,Processing is diluted to silane coupler, diluted concentration is between 15.8~27.5%, silane coupler solution after dilutionIn directly add the wollastonite powder, and be sufficiently stirred；To the wollastonite powder solution after being uniformly mixed, carry out separation andModified later Si powder is prepared in drying process.
A kind of method for making the pad, including：The step of being pre-processed to the wollastonite powder and by the silicon ashPowder carries out compound step；
In the step of preparing wollastonite powder, comprise the following steps：
S1：Raw material proportioning step, by silane coupler carry out beforehand dilution processing, diluted concentration 15.8~27.5% itBetween, then add ethanol, the addition control of described ethanol is carried out at 1~2 times of silane coupler dilute solution volumeStir the silane coupler solution pre-processed；
S2：Heating stepses, the silane coupler solution into step S1 by pretreatment add 100~300 parts of silicon ashPowder, and heat and be sufficiently stirred, the wollastonite powder solution being uniformly mixed；
S3：Dispersion steps, high speed centrifugation is carried out to the uniform wollastonite powder solution obtained in step S2 and disperseed after obtaining layeringCentrifugal dispersion liquid；
S4：Drying steps, processing is dried in the Centrifugal dispersion liquid in step S3, after moisture evaporation is obtained pretreatmentWollastonite powder；
In the wollastonite powder is carried out into compound step, comprise the following steps：
SS1：200~300 parts of the dimethythiotoluene diamine into volumetric flask, heating water bath is carried out to temperature at 100 DEG CWhen between~150 DEG C, 10~20 minutes are kept, then reduces the temperature between 70 DEG C~90 DEG C, adds 400~600The methyl diphenylene diisocyanate of part, and acetone is added after being stirred, obtain mixed solution；
SS2：The pretreated wollastonite powder that will be obtained in step S4, be added in step SS1 be stirred to obtain it is moltenIn liquid and it is stirred, is heated and stirred in a water bath；
SS3：In the solution that 150~200 parts of alcohol polyethers is added in step SS2 again and it is sufficiently stirred, thenThe solution for the alcohol polyethers for adding 150~200 parts is subjected to the magnetic agitation time of 2~4 hours；
SS4：After step SS3,20~40 parts of Ammonia curing agent is added into the solution after magnetic agitation, and againAfter carrying out the magnetic agitation time of 1~1.5 hour, obtained solution-cast is subjected to solidified forming into shim mold.
Alternatively, in step sl, when silane coupler being carried out into beforehand dilution processing, further control exists diluted concentrationBetween 18.0~24.5%, ethanol is then added, the addition of described ethanol is controlled in silane coupler dilute solution volume1~1.5 times between.
Alternatively, in step s 2, heating-up temperature is between 50 DEG C~80 DEG C.
Alternatively, in step s3, high speed centrifugation is carried out to the uniform wollastonite powder solution obtained in step S2 to disperse to obtainCentrifugal dispersion liquid after layering, centrifugation rate is between 6000~10000r/min.
Alternatively, in step s 4, the Centrifugal dispersion liquid in step S3 is positioned in baking oven and processing is dried, controlledTemperature in baking oven makes moisture evaporation obtain pretreated wollastonite powder between 80~90 DEG C.
Alternatively, in step SS1,220~260 parts of the dimethythiotoluene diamine into volumetric flask, carry out water-bath and addHeat when between 100 DEG C~150 DEG C, keeps 12~15 minutes, then reduced the temperature between 70 DEG C~80 DEG C to temperature,400~600 parts of methyl diphenylene diisocyanate is added, and acetone is added after being stirred, obtains mixed solution.
Alternatively, in step SS2, the pretreated wollastonite powder that will be obtained in step S4 is added in step SS1 and stirredMix in the solution being mixed to get and be stirred, heated and stirred in a water bath, the temperature control of water-bath is at 50~80 DEG CBetween.
Alternatively, in step SS3,150~200 parts of alcohol polyethers is added in the solution in step SS2 and carried outIt is sufficiently stirred, controls the temperature of water-bath then to enter the solution for the alcohol polyethers for adding 150~200 parts between 50~80 DEG CThe row magnetic agitation time of 2~4 hours.
Alternatively, in step SS4, the Centrifugal dispersion liquid in step S3 is positioned in baking oven processing is dried, controlledTemperature in baking oven processed makes moisture evaporation obtain pretreated wollastonite powder between 80 DEG C~90 DEG C.
In an embodiment of the present invention,
【Embodiment one】
Those skilled in the art make a kind of pad including following component and proportional amount：
Silane coupler is handled including the use of pretreatment steps, in pretreatment steps, to silane couplerProcessing is diluted, diluted concentration directly adds between 15.8~27.5% in silane coupler solution after dilutionThe wollastonite powder, and be sufficiently stirred；To the wollastonite powder solution after being uniformly mixed, carry out separation and be prepared by drying processObtain being modified later Si powder.
In the present embodiment, the preparation method using the present invention is not limited to, those skilled in the art or other can be usedMethod realizes the pad of the present embodiment, in the range of claims of the present invention.
Remaining technical characteristic in the present embodiment, those skilled in the art can flexibly be selected according to actual conditionsWith with to meet different specific actual demands.It will be apparent, however, to one skilled in the art that：It need not useThese specific details carry out the present invention.In other instances, in order to avoid obscuring the present invention, known group is not specifically describedPoint, ratio or auxiliary additive, limit technical protection scope in the claimed technical scheme of claims of the present inventionWithin, here is omitted.
【Embodiment two】
Those skilled in the art can be using the present invention as a kind of method for making the pad in embodiment one, including implementsFollowing steps, the step of being pre-processed to the wollastonite powder and carry out the wollastonite powder compound step；
In the step of preparing wollastonite powder, comprise the following steps：
S1：Raw material proportioning step, by silane coupler carry out beforehand dilution processing, diluted concentration 15.8~27.5% itBetween, then add ethanol, the addition control of described ethanol is carried out at 1~2 times of silane coupler dilute solution volumeStir the silane coupler solution pre-processed；
S2：Heating stepses, the silane coupler solution into step S1 by pretreatment add 100~300 parts of silicon ashPowder, and heat and be sufficiently stirred, the wollastonite powder solution being uniformly mixed；
S3：Dispersion steps, high speed centrifugation is carried out to the uniform wollastonite powder solution obtained in step S2 and disperseed after obtaining layeringCentrifugal dispersion liquid；
S4：Drying steps, processing is dried in the Centrifugal dispersion liquid in step S3, after moisture evaporation is obtained pretreatmentWollastonite powder；
In the wollastonite powder is carried out into compound step, comprise the following steps：
SS1：200~300 parts of the dimethythiotoluene diamine into volumetric flask, heating water bath is carried out to temperature at 100 DEG CWhen between~150 DEG C, 10~20 minutes are kept, then reduces the temperature between 70 DEG C~90 DEG C, adds 400~600The methyl diphenylene diisocyanate of part, and acetone is added after being stirred, obtain mixed solution；
SS2：The pretreated wollastonite powder that will be obtained in step S4, be added in step SS1 be stirred to obtain it is moltenIn liquid and it is stirred, is heated and stirred in a water bath；
SS3：In the solution that 150~200 parts of alcohol polyethers is added in step SS2 again and it is sufficiently stirred, thenThe solution for the alcohol polyethers for adding 150~200 parts is subjected to the magnetic agitation time of 2~4 hours；
SS4：After step SS3,20~40 parts of Ammonia curing agent is added into the solution after magnetic agitation, and againAfter carrying out the magnetic agitation time of 1~1.5 hour, obtained solution-cast is subjected to solidified forming into shim mold.
Remaining technical characteristic in the present embodiment, those skilled in the art can flexibly be selected according to actual conditionsWith with to meet different specific actual demands.It will be apparent, however, to one skilled in the art that：It need not useThese specific details carry out the present invention.In other instances, in order to avoid obscuring the present invention, known group is not specifically describedPoint, ratio or auxiliary additive, limit technical protection scope in the claimed technical scheme of claims of the present inventionWithin, here is omitted.
【Embodiment three】
In the step of preparing wollastonite powder, comprise the following steps：
S1：Raw material proportioning step, by silane coupler carry out beforehand dilution processing, diluted concentration 18.0~24.5% itBetween, ethanol is then added, the addition control of described ethanol is gone forward side by side at 1~1.5 times of silane coupler dilute solution volumeThe silane coupler solution that row stirring is pre-processed；
S2：Heating stepses, the silane coupler solution into step S1 by pretreatment add 100~300 parts of silicon ashPowder, and heat and be sufficiently stirred, heating-up temperature is between 50 DEG C~80 DEG C, the wollastonite powder solution that is uniformly mixed；
S3：Dispersion steps, high speed centrifugation is carried out to the uniform wollastonite powder solution obtained in step S2 and disperseed after obtaining layeringCentrifugal dispersion liquid；
S4：Drying steps, processing is dried in the Centrifugal dispersion liquid in step S3, after moisture evaporation is obtained pretreatmentWollastonite powder；
In the wollastonite powder is carried out into compound step, comprise the following steps：
SS1：200~300 parts of the dimethythiotoluene diamine into volumetric flask, heating water bath is carried out to temperature at 100 DEG CWhen between~150 DEG C, 10~20 minutes are kept, then reduces the temperature between 70 DEG C~90 DEG C, adds 400~600The methyl diphenylene diisocyanate of part, and acetone is added after being stirred, obtain mixed solution；
SS2：The pretreated wollastonite powder that will be obtained in step S4, be added in step SS1 be stirred to obtain it is moltenIn liquid and it is stirred, is heated and stirred in a water bath；
SS3：In the solution that 150~200 parts of alcohol polyethers is added in step SS2 again and it is sufficiently stirred, thenThe solution for the alcohol polyethers for adding 150~200 parts is subjected to the magnetic agitation time of 2~4 hours；
SS4：After step SS3,20~40 parts of Ammonia curing agent is added into the solution after magnetic agitation, and againAfter carrying out the magnetic agitation time of 1~1.5 hour, obtained solution-cast is subjected to solidified forming into shim mold.
Remaining technical characteristic in the present embodiment, those skilled in the art can flexibly be selected according to actual conditionsWith with to meet different specific actual demands.It will be apparent, however, to one skilled in the art that：It need not useThese specific details carry out the present invention.In other instances, in order to avoid obscuring the present invention, known group is not specifically describedPoint, ratio or auxiliary additive, limit technical protection scope in the claimed technical scheme of claims of the present inventionWithin, here is omitted.
【Example IV】
In the step of preparing wollastonite powder, comprise the following steps：
S1：Raw material proportioning step, by silane coupler carry out beforehand dilution processing, diluted concentration 15.8~27.5% itBetween, then add ethanol, the addition control of described ethanol is carried out at 1~2 times of silane coupler dilute solution volumeStir the silane coupler solution pre-processed；
S2：Heating stepses, the silane coupler solution into step S1 by pretreatment add 100~300 parts of silicon ashPowder, and heat and be sufficiently stirred, the wollastonite powder solution being uniformly mixed；
S3：Dispersion steps, high speed centrifugation is carried out to the uniform wollastonite powder solution obtained in step S2 and disperseed, centrifugation rate existsBetween 6000~10000r/min, the Centrifugal dispersion liquid after being layered；
S4：Drying steps, processing is dried in the Centrifugal dispersion liquid in step S3, after moisture evaporation is obtained pretreatmentWollastonite powder；
In the wollastonite powder is carried out into compound step, comprise the following steps：
SS1：200~300 parts of the dimethythiotoluene diamine into volumetric flask, heating water bath is carried out to temperature at 100 DEG CWhen between~150 DEG C, 10~20 minutes are kept, then reduces the temperature between 70 DEG C~90 DEG C, adds 400~600The methyl diphenylene diisocyanate of part, and acetone is added after being stirred, obtain mixed solution；
SS2：The pretreated wollastonite powder that will be obtained in step S4, be added in step SS1 be stirred to obtain it is moltenIn liquid and it is stirred, is heated and stirred in a water bath；
SS3：In the solution that 150~200 parts of alcohol polyethers is added in step SS2 again and it is sufficiently stirred, thenThe solution for the alcohol polyethers for adding 150~200 parts is subjected to the magnetic agitation time of 2~4 hours；
SS4：After step SS3,20~40 parts of Ammonia curing agent is added into the solution after magnetic agitation, and againAfter carrying out the magnetic agitation time of 1~1.5 hour, obtained solution-cast is subjected to solidified forming into shim mold.
Remaining technical characteristic in the present embodiment, those skilled in the art can flexibly be selected according to actual conditionsWith with to meet different specific actual demands.It will be apparent, however, to one skilled in the art that：It need not useThese specific details carry out the present invention.In other instances, in order to avoid obscuring the present invention, known group is not specifically describedPoint, ratio or auxiliary additive, limit technical protection scope in the claimed technical scheme of claims of the present inventionWithin, here is omitted.
【Embodiment five】
In the step of preparing wollastonite powder, comprise the following steps：
S1：Raw material proportioning step, by silane coupler carry out beforehand dilution processing, diluted concentration 15.8~27.5% itBetween, then add ethanol, the addition control of described ethanol is carried out at 1~2 times of silane coupler dilute solution volumeStir the silane coupler solution pre-processed；
S2：Heating stepses, the silane coupler solution into step S1 by pretreatment add 100~300 parts of silicon ashPowder, and heat and be sufficiently stirred, the wollastonite powder solution being uniformly mixed；
S3：Dispersion steps, high speed centrifugation is carried out to the uniform wollastonite powder solution obtained in step S2 and disperseed after obtaining layeringCentrifugal dispersion liquid；
S4：Drying steps, the Centrifugal dispersion liquid in step S3 is dried processing, control temperature in baking oven 80~Between 90 DEG C, moisture evaporation is set to obtain pretreated wollastonite powder；
In the wollastonite powder is carried out into compound step, comprise the following steps：
SS1：200~300 parts of the dimethythiotoluene diamine into volumetric flask, heating water bath is carried out to temperature at 100 DEG CWhen between~150 DEG C, 10~20 minutes are kept, then reduces the temperature between 70 DEG C~90 DEG C, adds 400~600The methyl diphenylene diisocyanate of part, and acetone is added after being stirred, obtain mixed solution；
SS2：The pretreated wollastonite powder that will be obtained in step S4, be added in step SS1 be stirred to obtain it is moltenIn liquid and it is stirred, is heated and stirred in a water bath；
SS3：In the solution that 150~200 parts of alcohol polyethers is added in step SS2 again and it is sufficiently stirred, thenThe solution for the alcohol polyethers for adding 150~200 parts is subjected to the magnetic agitation time of 2~4 hours；
SS4：After step SS3,20~40 parts of Ammonia curing agent is added into the solution after magnetic agitation, and againAfter carrying out the magnetic agitation time of 1~1.5 hour, obtained solution-cast is subjected to solidified forming into shim mold.
Remaining technical characteristic in the present embodiment, those skilled in the art can flexibly be selected according to actual conditionsWith with to meet different specific actual demands.It will be apparent, however, to one skilled in the art that：It need not useThese specific details carry out the present invention.In other instances, in order to avoid obscuring the present invention, known group is not specifically describedPoint, ratio or auxiliary additive, limit technical protection scope in the claimed technical scheme of claims of the present inventionWithin, here is omitted.
【Embodiment six】
In the step of preparing wollastonite powder, comprise the following steps：
S1：Raw material proportioning step, by silane coupler carry out beforehand dilution processing, diluted concentration 15.8~27.5% itBetween, then add ethanol, the addition control of described ethanol is carried out at 1~2 times of silane coupler dilute solution volumeStir the silane coupler solution pre-processed；
S2：Heating stepses, the silane coupler solution into step S1 by pretreatment add 100~300 parts of silicon ashPowder, and heat and be sufficiently stirred, the wollastonite powder solution being uniformly mixed；
S3：Dispersion steps, high speed centrifugation is carried out to the uniform wollastonite powder solution obtained in step S2 and disperseed after obtaining layeringCentrifugal dispersion liquid；
S4：Drying steps, processing is dried in the Centrifugal dispersion liquid in step S3, after moisture evaporation is obtained pretreatmentWollastonite powder；
In the wollastonite powder is carried out into compound step, comprise the following steps：
SS1：220~260 parts of dimethythiotoluene diamine is added into volumetric flask, heating water bath is carried out and exists to temperatureWhen between 100 DEG C~150 DEG C, 12~15 minutes are kept, then reduces the temperature between 70 DEG C~80 DEG C, adds 400~600 parts of methyl diphenylene diisocyanate, and acetone is added after being stirred, obtain mixed solution；
SS2：The pretreated wollastonite powder that will be obtained in step S4, be added in step SS1 be stirred to obtain it is moltenIn liquid and it is stirred, is heated and stirred in a water bath；
SS3：In the solution that 150~200 parts of alcohol polyethers is added in step SS2 again and it is sufficiently stirred, thenThe solution for the alcohol polyethers for adding 150~200 parts is subjected to the magnetic agitation time of 2~4 hours；
SS4：After step SS3,20~40 parts of Ammonia curing agent is added into the solution after magnetic agitation, and againAfter carrying out the magnetic agitation time of 1~1.5 hour, obtained solution-cast is subjected to solidified forming into shim mold.
Remaining technical characteristic in the present embodiment, those skilled in the art can flexibly be selected according to actual conditionsWith with to meet different specific actual demands.It will be apparent, however, to one skilled in the art that：It need not useThese specific details carry out the present invention.In other instances, in order to avoid obscuring the present invention, known group is not specifically describedPoint, ratio or auxiliary additive, limit technical protection scope in the claimed technical scheme of claims of the present inventionWithin, here is omitted.
【Embodiment seven】
In the step of preparing wollastonite powder, comprise the following steps：
S1：Raw material proportioning step, by silane coupler carry out beforehand dilution processing, diluted concentration 15.8~27.5% itBetween, then add ethanol, the addition control of described ethanol is carried out at 1~2 times of silane coupler dilute solution volumeStir the silane coupler solution pre-processed；
S2：Heating stepses, the silane coupler solution into step S1 by pretreatment add 100~300 parts of silicon ashPowder, and heat and be sufficiently stirred, the wollastonite powder solution being uniformly mixed；
S3：Dispersion steps, high speed centrifugation is carried out to the uniform wollastonite powder solution obtained in step S2 and disperseed after obtaining layeringCentrifugal dispersion liquid；
S4：Drying steps, processing is dried in the Centrifugal dispersion liquid in step S3, after moisture evaporation is obtained pretreatmentWollastonite powder；
In the wollastonite powder is carried out into compound step, comprise the following steps：
SS1：200~300 parts of the dimethythiotoluene diamine into volumetric flask, heating water bath is carried out to temperature at 100 DEG CWhen between~150 DEG C, 10~20 minutes are kept, then reduces the temperature between 70 DEG C~90 DEG C, adds 400~600The methyl diphenylene diisocyanate of part, and acetone is added after being stirred, obtain mixed solution；
SS2：The pretreated wollastonite powder that will be obtained in step S4, be added in step SS1 be stirred to obtain it is moltenIn liquid and it is stirred, is heated and stirred in a water bath, the temperature control of water-bath is between 50~80 DEG C；
SS3：In the solution that 150~200 parts of alcohol polyethers is added in step SS2 again and it is sufficiently stirred, thenThe solution for the alcohol polyethers for adding 150~200 parts is subjected to the magnetic agitation time of 2~4 hours；
SS4：After step SS3,20~40 parts of Ammonia curing agent is added into the solution after magnetic agitation, and againAfter carrying out the magnetic agitation time of 1~1.5 hour, obtained solution-cast is subjected to solidified forming into shim mold.
Remaining technical characteristic in the present embodiment, those skilled in the art can flexibly be selected according to actual conditionsWith with to meet different specific actual demands.It will be apparent, however, to one skilled in the art that：It need not useThese specific details carry out the present invention.In other instances, in order to avoid obscuring the present invention, known group is not specifically describedPoint, ratio or auxiliary additive, limit technical protection scope in the claimed technical scheme of claims of the present inventionWithin, here is omitted.
The other embodiment of the present invention, such as those skilled in the art can further improve oven temperature in step s 4,And controlled between 80~90 DEG C, moisture evaporation can be made to obtain pretreated wollastonite powder etc..Here is omitted.
Described above is only the preferred embodiment of the present invention, it should be understood that the present invention is not limited to described hereinForm, the exclusion to other embodiment is not to be taken as, and can be used for various other combinations, modification and environment, and can be at thisIn the text contemplated scope, it is modified by the technology or knowledge of above-mentioned teaching or association area.And those skilled in the art are enteredCapable change and change does not depart from the spirit and scope of the present invention, then all should be in the protection domain of appended claims of the present inventionIt is interior.In the above description, in order to provide thorough understanding of the present invention, a large amount of specific details are elaborated.However, for this areaThose of ordinary skill it is evident that：The present invention need not be carried out using these specific details.In other instances, in order to keep awayExempt to obscure the present invention, do not specifically describe known technology, such as specific construction details, operating condition and other technical conditionsDeng.