A kind of inorfil softness dispersing agent, preparation method and its for enhancing inorfilThe application of pliability and dispersion performanceTechnical field
The invention belongs to Material Fields, and in particular to a kind of inorfil softness dispersing agent, preparation method and its for increasingThe application of strong inorfil pliability and dispersion performance.
Background technique
With being constantly progressive for society, the mankind start the sustainable development for increasingly pursuing people and ecology.It is green pursuingUnder colour circle guarantor, the new situations developed a circular economy push, uses inorfil made of various slags and industrial residue to substitute and passThe society of system plant fiber papermaking, economic value can not be ignored.The generally existing vegetation resources consumption of traditional paper-making industry it is big andThe problems such as environmental pollution is serious.Simultaneously as traditional paper making raw material selects organic plant fiber, institute has at paper intolerant to heightThe features such as temperature, easy firing, easy moisture absorption mildew, it is unable to satisfy increasingly wider domain requirement, therefore make paper answering in every profession and tradeLarger restriction is received with development.The inorfil made of various slags and industrial residue have it is non-ignitable, not burnt, do not inhaleThe good characteristics such as damp, anti-mildew.Therefore, it selects inorfil to substitute the inorganic fibre paper that traditional paper making raw material is produced, inheritsWith these advantages for having developed inorfil, application blank of the traditional paper under harsh industrial process conditions is filled up, in due courseThe deep development for advancing paper industry.
However, developing inorfil papermaking, there is also huge challenges.Industrial inorfil raw cotton is mainly depositedThe disadvantages of brittleness is big, rigidity is strong, fiber is short, ball slag is more.Often there is following several big problems when being applied to paper-making industry: itsOne, inorfil is unable to fibrillating, and rigidity is strong, and pliability is poor, disperses in pulping process through mashing, and conveying is easier to occur disconnectedIt splits；Second, easily there is the problems such as segment fiber interweaving, occluding device in inorfil bad dispersibility；Third, being copied with inorfilAt paper surface it is rougher, easily lose powder, flexibility is poor, and unsuitable folding, poor using feel, comfort level is not good enough.TheseThe development and application of inorganic fibre paper of problem strong influence.Therefore, ideal dispersing agent and softening agent must be found to inorganicFiber carries out surface modification treatment and improves its ru nnability to enhance the flexibility of inorfil.
Summary of the invention
Disperse the purpose of the present invention is to provide a kind of preparation method of inorfil softness dispersing agent and using the softnessAgent enhances the method for modifying of inorfil pliability and dispersion performance, and this method preparation process is simple, is synthesized using this methodInorfil softness dispersing agent is modified processing to inorfil, utilizes treated modified inorganic fiber papermaking, gained paperThe pliability and dispersion performance opened are significantly improved.The inorfil softness dispersing agent that the present invention synthesizes can enhance inorfilInteraction between inorfil has stronger fiber evacuation capacity, can reduce the mutual frictional force between inorfil, makeFiber has smooth, fine and smooth and soft feeling, and dispersion performance is fabulous in water for fiber, this solves inorfil papermaking dispersionThe bad problem of property.The inorfil handled using the inorfil softness dispersing agent, soft such as cotton, dispersibility is fabulous, pointDissipating in water will not coagulation up to the several months.In paper industry, using by the processed modified inorganic fiber of this method withPlant fiber mixing papermaking, paper pliability and other performance obtained are also significantly increased.Add 10% ~ 20% modified fibre instituteThe paper performance manufactured paper with pulp out is not worse than the paper performance that pure organic fiber is manufactured paper with pulp out.This all illustrates the softness dispersing agent to inorganicFiber has apparent softening enhancing and dispersion effect.
In order to achieve the above objectives, the technical solution adopted by the present invention are as follows:
A kind of preparation method of inorfil softness dispersing agent, comprising the following steps:
1) be in mass ratio (20 ~ 60) by water, lauryl amine, paper leavening agent: (2 ~ 5): 1 is placed in deionized water, heating stirringIt is dissolved to lauryl amine, obtains lauryl amine solution；
2) NaOH and K is added into reaction kettle2CO3, guarantee system is in alkalinity；
3) sodium chloroacetate is added portionwise in lauryl amine solution, and solid sodium hydroxide is added, 25 ~ 35 are reacted at 50 ~ 70 DEG CMin adjusts the pH value of reaction product as neutrality, obtains inorfil softness dispersing agent semi-finished product after the reaction was completed；Wherein it is addedSodium chloroacetate and lauryl amine solution in lauryl amine mass ratio be 1:(0.4 ~ 1.8), the sodium hydroxide and lauryl amine of addition are moltenThe mass ratio of lauryl amine is 1:(4.2 ~ 7 in liquid)；
4) concrete operations are as follows: monoxone is divided into two batches and is added, a collection of monoxone is first added into reaction kettle, at 50 ~ 70 DEG C25 ~ 35 min are reacted, solution ph is adjusted with NaOH, adds a collection of monoxone, 25 ~ 35 min are reacted at 50 ~ 70 DEG C, useNaOH adjusts solution ph, and when dispensing does not need to be added dropwise, and observing response system color, guarantees solution face after the reaction was completedColor is milky；
5) all raw materials all launch completion and solution when being creamy white, and persistently stir 40 minutes.
6) pH value of solution is tested, and utilizes K2CO3PH value of solution is adjusted to 7-8, is added into inorfil softness dispersing agent semi-finished productEnter silicone emulsion, be uniformly mixed, obtains inorfil softness dispersing agent；Wherein inorfil softening agent semi-finished product and emulsificationThe mass ratio of silicone oil is 100:(0.6 ~ 3).
Stirring dissolves lauryl amine at 45 ~ 55 DEG C in the step 1).
PH value is adjusted with dilute hydrochloric acid or sodium hydroxide in the step 3).
Silicone emulsion in the step 6) is methyl silicone emulsion.
The step 6) is carried out when inorfil softness dispersing agent semi-finished product Temperature fall is to 40 DEG C or less.
Being uniformly mixed in the step 6) is 5 ~ 10 min of stirring under the revolving speed of 200 ~ 500 r/min.
Enhance the method for modifying of inorfil pliability and dispersion performance using inorfil softness dispersing agent, it is specificStep are as follows: inorfil is put into container plus water soaks, inorfil softness dispersing agent is added, stirs evenly, then soak30 ~ 60 min are steeped to get the modified inorganic fiber to after softening.
The inorfil of addition and the mass ratio of inorfil softness dispersing agent are 1:(3 ~ 10).
The inorfil of addition and the mass ratio of water are (1.5 ~ 4): 150.
The inorfil is white clay fiber or coal ash fiber.
It is to be noted that addition effect is more preferable by several times for sodium hydroxide, one is added when solution colour becomes light blueSodium hydroxide is criticized, the amount of NaOH can suitably increase and decrease, and need to guarantee that solution colour is creamy white in reaction kettle.
Compared with the existing technology, the invention has the following advantages:
Lauryl amine, is first substantially dissolved in water by the preparation method of inorfil softness dispersing agent provided by the invention, then toSodium chloroacetate is successively added in lauryl amine solution and sodium hydroxide is reacted, it is equal that silicone emulsion stirring is added after having reactedIt is even to get arrive inorfil softness dispersing agent.The inorfil softness dispersing agent of this method synthesis is amino acid type amphoteric surfaceActivating agent can enhance the interaction between inorfil due to the charged characteristic of itself both sexes, and have strongerFiber evacuation capacity.And the addition of silicone emulsion can reduce the mutual frictional force between inorfil, to make inorfilFeel it is more soft, smooth.This method preparation process is simple, low production cost has good suitable for industrialization large-scale productionGood application prospect.
It is provided by the invention to enhance changing for inorfil pliability and dispersion performance using inorfil softness dispersing agentProperty method after wetting with water by inorfil adds inorfil softness dispersing agent, is soaked for a period of time after mixing evenly,The pliability and dispersion performance of inorfil can be enhanced.This method step is simple and easy, is suitable for industrialized production and uses.UsingInorfil softness dispersing agent prepared by the present invention handles inorfil, enables to the pliability of modified inorfilIt is significantly improved with dispersibility, improves its ru nnability.In paper industry, using by the processed modified inorganic of this methodFiber is also significantly increased with plant fiber mixing papermaking, paper pliability and other performances obtained.
Detailed description of the invention
Fig. 1 is to disperse the modified inorfil dispersion effect figure of softening agent with inorfil softness produced by the present invention；
Fig. 2 is unmodified inorfil dispersion effect figure；
Fig. 3 is mixes institute's copy paper with paper pulp fiber with the modified inorfil of inorfil softness dispersing agent produced by the present inventionThe SEM opened；
Fig. 4 mixes the SEM of institute's copy paper for unmodified inorfil with paper pulp fiber.
Specific embodiment
The present invention is described in further details below with reference to the present invention preferably embodiment.
Embodiment 1:
The preparation of inorfil softness dispersing agent:
It 1) is in mass ratio that 50:3:1 is placed in deionized water by water, lauryl amine, paper leavening agent, stirring makes 12 at 50 DEG CAmine sufficiently dissolves, and obtains lauryl amine solution；2) NaOH and K is added into reaction kettle2CO3, guarantee system is in alkalinity；To reaction kettleInterior addition NaOH and K2CO3, guarantee system is in alkalinity；
2) sodium chloroacetate is added to 55 DEG C in lauryl amine solution heated at constant temperature thereto, reacts 32 min at 55 DEG C, then to instituteSodium hydroxide is added in mixture, the reaction was continued at 55 DEG C 32 min, after the reaction was completed, the pH value for adjusting reaction product isNeutrality obtains inorfil softness dispersing agent semi-finished product；The lauryl amine in sodium chloroacetate and lauryl amine solution being wherein addedMass ratio is 1:0.4, and the mass ratio of the lauryl amine in the sodium hydroxide and lauryl amine solution of addition is 1:4.2；
3) to inorfil softness dispersing agent semi-finished product Temperature fall to 40 DEG C hereinafter, to inorfil softness dispersing agent semi-finished productMiddle addition methyl silicone emulsion, constant speed stirs 8min to being uniformly mixed under the speed of 400 r/min, obtains inorfil softnessDispersing agent；Wherein the mass ratio of inorfil softness dispersing agent semi-finished product and silicone emulsion is 100:0.3.
Enhance inorfil pliability and dispersibility using inorfil softness dispersing agent:
1.5 g white clay fibers, which are added in 150 mL water, soaks white clay fiber, and 4.5 g inorfil softnesses point are then addedPowder stirs, and impregnates 30 min to get the modified white clay fiber to after softening.
Embodiment 2:
The preparation of inorfil softness dispersing agent:
It 1) is in mass ratio that 20:2:1 is placed in deionized water by water, lauryl amine, paper leavening agent, stirring makes 12 at 52 DEG CAmine sufficiently dissolves, and obtains lauryl amine solution；K is added into reaction kettle2CO3, guarantee system is in alkalinity；
2) sodium chloroacetate is added to 60 DEG C in lauryl amine solution heated at constant temperature thereto, reacts 30 min at 60 DEG C, then to instituteIt obtains in mixture and sodium hydroxide is added, sodium hydroxide should be added by several times, and a batch is added when solution colour becomes light blueSodium hydroxide, the reaction was continued at 60 DEG C, and 30 min adjust the pH value of reaction product as neutrality, obtain inorganic after the reaction was completedFiber softening dispersing agent semi-finished product；The mass ratio for the lauryl amine in sodium chloroacetate and lauryl amine solution being wherein added is 1:0.8,The mass ratio of lauryl amine in the sodium hydroxide and lauryl amine solution of addition is 1:5；
3) to inorfil softness dispersing agent semi-finished product Temperature fall to 40 DEG C hereinafter, to inorfil softness dispersing agent half atMethyl silicone emulsion is added in product, constant speed stirs 5min to being uniformly mixed under the speed of 200 r/min, and it is soft to obtain inorfilSoft dispersing agent；Wherein the mass ratio of inorfil softness dispersing agent semi-finished product and silicone emulsion is 100:0.5.
Enhance inorfil pliability and dispersibility using inorfil softness dispersing agent:
2 g white clay fibers, which are added in 150 mL water, soaks white clay fiber, and the dispersion of 10 g inorfil softnesses is then addedAgent stirs, and impregnates 40 min to get the modified white clay fiber to after softening.
Embodiment 3:
The preparation of inorfil softness dispersing agent:
It 1) is in mass ratio that 20:5:1 is placed in deionized water by water, lauryl amine, paper leavening agent, stirring makes 12 at 48 DEG CAmine sufficiently dissolves, and obtains lauryl amine solution；NaOH is added into reaction kettle, guarantee system is in alkalinity；
2) sodium chloroacetate is added to 65 DEG C in lauryl amine solution heated at constant temperature thereto, reacts 28 min at 65 DEG C, then to instituteIt obtains in mixture and sodium hydroxide is added, sodium hydroxide should be added by several times, and a batch is added when solution colour becomes light blueSodium hydroxide, the reaction was continued at 65 DEG C, and 28 min adjust the pH value of reaction product as neutrality, obtain inorganic after the reaction was completedFiber softening dispersing agent semi-finished product；The mass ratio for the lauryl amine in sodium chloroacetate and lauryl amine solution being wherein added is 1:1.4,The mass ratio of lauryl amine in the sodium hydroxide and lauryl amine solution of addition is 1:6；
3) to inorfil softness dispersing agent semi-finished product Temperature fall to 40 DEG C hereinafter, to inorfil softness dispersing agent half atMethyl silicone emulsion is added in product, constant speed stirs 10min to being uniformly mixed under the speed of 300 r/min, obtains inorfilSoft dispersing agent；Wherein the mass ratio of inorfil softness dispersing agent semi-finished product and silicone emulsion is 100:0.7.
Enhance inorfil pliability and dispersibility using inorfil softness dispersing agent:
2 g white clay fibers, which are added in 150 mL water, soaks white clay fiber, and the dispersion of 20 g inorfil softnesses is then addedAgent stirs, and impregnates 50 min to get the modified white clay fiber to after softening.
Embodiment 4:
The preparation of inorfil softness dispersing agent:
It 1) is in mass ratio that 60:2:1 is placed in deionized water by water, lauryl amine, paper leavening agent, stirring makes 12 at 45 DEG CAmine sufficiently dissolves, and obtains lauryl amine solution；
2) by lauryl amine solution heated at constant temperature to 70 DEG C, monoxone is divided into two batches and is added, a collection of chlorine is first added into reaction kettleAcetic acid reacts 25 min at 70 DEG C, adjusts solution ph with NaOH, adds a collection of monoxone, react 25 at 70 DEG CMin adjusts solution ph with NaOH；The mass ratio for the lauryl amine in sodium chloroacetate and lauryl amine solution being wherein added is 1:1.8, the mass ratio of the lauryl amine in the sodium hydroxide and lauryl amine solution of addition is 1:6.5；After the reaction was completed, reaction is adjusted to produceThe pH value of object is neutrality, obtains inorfil softness dispersing agent semi-finished product；
3) to inorfil softness dispersing agent semi-finished product Temperature fall to 40 DEG C hereinafter, to inorfil softness dispersing agent half atMethyl silicone emulsion is added in product, constant speed stirs 7min to being uniformly mixed under the speed of 500 r/min, and it is soft to obtain inorfilSoft dispersing agent；Wherein the mass ratio of inorfil softness dispersing agent semi-finished product and silicone emulsion is 100:1.
Enhance inorfil pliability and dispersibility using inorfil softness dispersing agent:
4 g white clay fibers, which are added in 150 mL water, soaks white clay fiber, and 40g inorfil softening agent is then added, fillsDivide and stir evenly, impregnates 60 min to get the modified white clay fiber to after softening.
Embodiment 5:
The preparation of inorfil softness dispersing agent:
It 1) is in mass ratio that 50:5:1 is placed in deionized water by water, lauryl amine, paper leavening agent, stirring makes 12 at 55 DEG CAmine sufficiently dissolves, and obtains lauryl amine solution；
2) sodium chloroacetate is added to 50 DEG C in lauryl amine solution heated at constant temperature thereto, reacts 35min at 50 DEG C, then to instituteSodium hydroxide is added in mixture, the reaction was continued at 50 DEG C 35 min, after the reaction was completed, the pH value for adjusting reaction product isNeutrality obtains inorfil softness dispersing agent semi-finished product；The lauryl amine in sodium chloroacetate and lauryl amine solution being wherein addedMass ratio is 1:1.7, and the mass ratio of the lauryl amine in the sodium hydroxide and lauryl amine solution of addition is 1:7；
3) to inorfil softness dispersing agent semi-finished product Temperature fall to 40 DEG C hereinafter, to inorfil softness dispersing agent half atMethyl silicone emulsion is added in product, constant speed stirs 9min to being uniformly mixed under the speed of 400 r/min, and it is soft to obtain inorfilSoft dispersing agent；Wherein the mass ratio of inorfil softness dispersing agent semi-finished product and silicone emulsion is 100:0.8.
Enhance inorfil pliability and dispersibility using inorfil softness dispersing agent:
2.5 g coal ash fibers, which are added in 150 mL water, soaks coal ash fiber, and it is soft that 20 g inorfils are then addedSoft dispersing agent, stirs, and impregnates 55 min to get the modified coal ash fiber to after softening.
Inorfil softness dispersing agent produced by the present invention can be used in modified to enhance white clay fiber, coal ash fiberThe pliability and dispersibility of equal inorganic mineral fibers.
With the obtained inorfil softness dispersing agent of the present invention before modified after inorfil by a certain percentage with paper pulp fiberMixing, slurrying copy to take and carry out handsheet on device in pattern, squeeze simultaneously dry 10 min.The page manufactured paper with pulp is absorbed water through 24 h after balance,Various physical properties are tested (using ZL-300A paper and Board tensile test instrument and DC-KY3000A type electricity by national standard methodBrain observing and controlling compressing tester measures the tensile strength and ring crush intensity of paper respectively), test result is as shown in table 1:
Rear paper performance compares 1 inorfil softness dispersing agent of table before modified
As can be seen from the above table: the softened fiber enhanced is added to the paper performance manufactured paper with pulp out in paper and is significantly better thanThe paper performance manufactured paper with pulp out without polar fibers not softened with addition content.What the modified fibre of addition 10% ~ 20% was manufactured paper with pulp outPaper performance is not worse than the paper performance that pure organic fiber is manufactured paper with pulp out.It is bright that this all illustrates that the softness dispersing agent has inorfilAobvious softening dispersion effect.
Fig. 1 is with the obtained modified inorfil dispersion effect figure of inorfil softness dispersing agent of the present invention.
Fig. 2 is the dispersion effect figure of unmodified inorfil.It can be seen that modified inorganic fibre from Fig. 1 and Fig. 2Dimension dispersibility is fabulous, it has dispersed 3 months in water, is still dispersed in water, without any coagulation phenomenon；And it is unmodifiedInorfil moment with regard to coagulation in container bottom.This illustrates inorfil softness dispersing agent produced by the present invention to inorfilThere is good dispersion effect, this solves inorfil papermaking and disperses this difficult a great problem.
Fig. 3 is mixes institute with paper pulp fiber with the modified inorfil of inorfil softness dispersing agent produced by the present inventionThe SEM of copy paper；Fig. 4 mixes the SEM of institute's copy paper for unmodified inorfil with paper pulp fiber.It can obviously be seen by Fig. 3Modified inorfil is very soft out, is uniformly dispersed in paper, and is combined well with soft plant fiber, and schemesInorfil in 4 is brittle, disperse it is bad, it is exposed outside, cannot be combined well with plant fiber.This illustrates that the softness is dispersedAgent has softening well, dispersion and surface treatment to act on inorfil, make that treated fiber softening, good dispersion, surfaceThere is certain polar group, can be combined very well with plant fiber, improves paper performance.