Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction withAccompanying drawing and preferred embodiment, to embodiment, structure, feature and its effect of the present invention, describe in detail as after.
First embodiment：
The non-halogen surfacing of the present invention is composite, and it cannot be only used for laying ground, it may also be used for laying smallpoxPlate, wall, wardrobe etc..In the present invention, the non-halogen surfacing is preferably composite floor board.Fig. 1 is referred to, the non-halogen surface materialMaterial 100 from bottom to top includes base layer 10, decorative layer 20 and wearing layer 30 successively.
Base layer 10 is TPU sheet materials, and it includes initial bed 11 and the intermediate layer 12 on initial bed 11.In the present inventionAnother embodiment in, base layer 10 can not include intermediate layer 12.
The material of initial bed 11 includes TPU particles, filler and additive.In the present embodiment, the material of initial bed 11 byTPU particles, filler and additive composition.The proportioning of each component is as follows in the material of initial bed 11：TPU (thermoplastic polyurethane)100 parts of grain, filler 100-300 parts, additive 1-15 parts are (including stabilizer 1-10 parts, fire retardant 0-5 parts, antismoke agent 0-1Part).
Intermediate layer 12 includes TPU particles, filler and additive.In the present embodiment, the material in intermediate layer 12 is by TPUGrain, filler and additive composition.The proportioning of each component is as follows in the material in intermediate layer 12：100 parts of TPU particles, filler 200-300Part, additive 1-15 parts (including stabilizer 1-10 parts, fire retardant 0-5 parts, antismoke agent 0-1 parts).
In another embodiment of the present invention, some compositions in the additive or additive in base layer 10 can take the circumstances into considerationOmit.
In initial bed 11 and intermediate layer 12, filler can be stone flour, calcite or kaolin, and stabilizer can be poly- carbonChange diimine (model：UN-03), fire retardant can be magnesium hydroxide, aluminium hydroxide, hydration zinc borate and hydrotalcite, antismoke agentCan be ferrocene or molybdenum system antismoke agent.
In the present embodiment, the base material of base layer 10 is TPU, in other embodiments of the invention, the base of base layer 10Material can also be other non-halogen high polymer materials, such as TPU, NBR (nitrile rubber), (acrylonitrile-butadiene-styrene (ABS) is common by ABSPolymers), in PETG (polyethylene terephthalate -1,4 cyclohexane dimethanol ester) at least two mixture.
Decorative layer 20 is TPU print films, and the print film is prepared by false fitting print process.Because TPU elasticity is bigAnd pliability is good so that TPU print films easily " walking version (misregistration) ", can not realize printing in printing.It is thin to solve TPU" walking version " problem when film prints, the present invention propose false fitting print process.False fitting print process is in the side of TPU filmThe false fitting support membrane in surface, during printing, the printed patterns on the side surface backwards to support membrane of TPU film, finish printingAfterwards by two layers of UF membrane, that is, TPU print films are made.In false fitting print process, the support membrane used can be stringPaper, PP (polypropylene) film, PET (polyethylene terephthalate) film, PA (polyamide) film, PC (makrolon) film, PS are (poly-Styrene) in film, PETG (polyethylene terephthalate -1,4 cyclohexane dimethanol ester) films and POM (polyformaldehyde) filmIt is a kind of.
Wearing layer 30 is TPU clear sheets, and the material of wearing layer 30 includes TPU particles and additive.In the present embodiment,The material of wearing layer 30 is made up of TPU particles and additive.The proportioning of each component is as follows in the material of wearing layer 30：TPU particles100 parts, additive 1-15 parts (including stabilizer 1-10 parts, antioxidant 0-10 parts, antismoke agent 0-1 parts).
In another embodiment of the present invention, some compositions in the additive or additive in wearing layer 30 can take the circumstances into considerationOmit.
The stabilizer of wearing layer 30 can be polycarbodiimide (model：UN-03), antioxidant can be antioxidant 1010(four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters), antismoke agent is the special antismoke agent of transparent material, such asFerrocene, molybdenum system antismoke agent.
A kind of manufacture method of above-mentioned non-halogen surfacing is described below, this method is referred to as hot pressing fitting method, refers to figure2, this method comprises the following steps：
Step S11：Prepare initial bed 11.Specific method includes：Weighed respectively according to the material composition and ratio of initial bed 11Material, after their high-speed stirreds, launch and 3-15min is kneaded in muller into compound；Obtained compound is passed through into pressureProlong machine calendering formation and initial bed 11 is made.Calendering formation temperature is 135-150 DEG C.
Step S12：Prepare intermediate layer 12.Specific method includes：Weighed respectively according to the material composition and ratio in intermediate layer 12Material, after their high-speed stirreds, launch and 3-15min is kneaded in muller into compound；Obtained compound is passed through into pressureProlong machine calendering formation and intermediate layer 12 is made.Calendering formation temperature is 135-150 DEG C.
Step S13：Decorative layer 20 is prepared, specific method includes：Top layer film is used as using TPU film；Prepare support membrane, supportFilm can be one kind in plant fiber paper, PP films, PET film, PA films, PC films, PS films, PETG films and POM films；By TPU filmStart to print with after the false fitting of support membrane, printing surface is TPU film backwards to the surface of support membrane side；Will after finishing printingTwo layers of UF membrane, obtain TPU print films.During false fitting, TPU film and support membrane are by means of the surface between double-layer filmsesPower is false to fit together.As shown in figure 3, during printing, TPU film 21 and support membrane 22 are fixed on one and are located at delivery roller 23Or on the fixed jig 24 on conveyer belt, make fixed jig 24 pass sequentially through several printing rollers 25, it is each to print roller 25It is upper be coated with a kind of pigment, when fixed jig 24 be after all printing rollers 25 TPU film 21 surface printing it is goodComplete pattern.
Step S14：Prepare wearing layer 30.Specific method includes：Material composition and ratio according to wearing layer 30 prepare eachMaterial；Wearing layer 30 is made using the suitable technique such as rolling process, the tape casting, blow moulding.
Step S15：By initial bed 11, intermediate layer 12, decorative layer 20 and wearing layer 30 made from step S11-S14 in orderStack, hot pressing fitting 10-20min, forms non-halogen surfacing at 100-170 DEG C of temperature and 25-180MPa pressure100。
Another manufacture method of non-halogen surfacing is described below, this method is referred to as online fitting method, refers to Fig. 4,This method comprises the following steps：
Step J11：Prepare initial bed 11.Specific method includes：Weighed respectively according to the material composition and ratio of initial bed 11Material, after their high-speed stirreds, launch and 3-15min is kneaded in muller into compound；By obtained compound by squeezingGo out machine extrusion molding and initial bed 11 is made.Extrusion molding temperature is 160-180 DEG C.
Step J12：Decorative layer 20 is prepared, specific method is the same as step S13.
Step J13：Prepare wearing layer 30.Specific method includes：Material composition and ratio according to wearing layer 30 prepare eachMaterial；Wearing layer 30 is made using appropriate process such as rolling process, the tape casting, blow mouldings.
Step J14：As shown in figure 5, by initial bed 11, decorative layer 20, wearing layer 30 made from step J11-J13 in orderIt is placed in bridging roller 40, is bonded by online laminating apparatus, forms non-halogen surfacing 100.The online laminating apparatus bagSome groups of pressure rollers 50 symmetrical above and below set along horizontal line are included, initial bed 11, decorative layer 20, wearing layer 30 pass through up and down jointlyWhen between symmetrical pressure roller 50, fit together in the presence of pressure roller 50.In order that initial bed 11, decorative layer 20 and wearing layerBetween 30 enter pressure roller 50 symmetrical above and below along specific direction, online laminating apparatus is additionally provided with guide roller 60.When utilizing pressure roller50 when being bonded, and needs as needed heat pressure roller 50, and travel direction of the temperature of each group pressure roller 50 along material is successivelyIt is incremented by, so that the material passed through can be pressed together more easily.But for the ease of the product posted is pasted from onlineAttach together to put and deflect from, the temperature of last two groups of pressure rollers 50 should be relatively.Fitting when, for the ease of process material moreIt is bonded well, the linear velocity of each group pressure roller 50 also should gradually increase along the travel direction of material.
In above two preparation method, the thickness of the sheet material processed due to extrusion molding and calendering formation and performanceDifference, when base layer 10 is prepared by the way of extrusion molding, single layer structure is normally only made, and by the way of calendering formationWhen preparing base layer 10, sandwich construction can be made.
Second embodiment：
The decorative layer 20 and wearing layer 30 of the non-halogen surfacing of the present embodiment and the non-halogen surfacing of first embodimentIdentical, the difference of the present embodiment and first embodiment is base layer 10.
In the present embodiment, base layer 10 equally includes initial bed 11 and the intermediate layer 12 on initial bed 11.In an alternative embodiment of the invention, base layer 10 can not also include intermediate layer 12.
The material of initial bed 11 includes TPU/NBR mixtures, filler and additive.In the present embodiment, initial bed 11Material is made up of TPU/NBR mixtures, filler and additive.The proportioning of each component is as follows in the material of initial bed 11：TPU/NBR100 parts of mixture (including TPU particle 75-95 parts, NBR particle 5-25 parts), filler 100-300 parts, additive 1-15 parts(including stabilizer 1-10 parts, fire retardant 0-5 parts, antismoke agent 0-1 parts).
The material in intermediate layer 12 includes TPU/NBR mixtures, filler and additive.In the present embodiment, intermediate layer 12Material is made up of TPU/NBR mixtures, filler and additive.The proportioning of each component is as follows in the material in intermediate layer 12：TPU/NBR100 parts of mixture (including TPU particle 75-95 parts, NBR particle 5-25 parts), filler 200-300 parts, additive 1-15 parts(including stabilizer 1-10 parts, fire retardant 0-5 parts, antismoke agent 0-1 parts).
In another embodiment of the present invention, some compositions in the additive or additive in base layer 10 can take the circumstances into considerationOmit.
Initial bed 11 and the filler in intermediate layer 12 can be stone flour, calcite or kaolin, and stabilizer can be poly- carbonizationDiimine (model：UN-03), fire retardant can be magnesium hydroxide, aluminium hydroxide, hydration zinc borate and hydrotalcite, and antismoke agent canThink ferrocene or molybdenum system antismoke agent.
The manufacture method of the non-halogen surfacing of the present embodiment is essentially identical with first embodiment, and difference is to processTemperature.When preparing non-halogen surfacing using hot pressing fitting method, the calendering formation temperature in step S11 and S12 is 120-170℃.When preparing non-halogen surfacing using online fitting method, the extrusion molding temperature in step J11 is at 150-190 DEG C.ProcessingThe change of temperature is due to the addition of NBR in matrix layer material, and NBR and TPU compatibility are very good, and NBR addition can carryHigh TPU pliability, the processing and forming temperature of base layer is effectively widened, but add easily makes TPU soften too much, therefore, controlNBR content is 5-25%.
3rd embodiment：
The decorative layer 20 and wearing layer 30 of the non-halogen surfacing of the present embodiment and the non-halogen surfacing of first embodimentIdentical, the difference of the present embodiment and first embodiment is base layer 10.
In the present embodiment, base layer 10 equally includes initial bed 11 and the intermediate layer 12 on initial bed 11.In an alternative embodiment of the invention, base layer 10 can not also include intermediate layer 12.
The material of initial bed 11 includes TPU/PETG mixtures, filler and additive.In the present embodiment, initial bed 11Material is made up of TPU/PETG mixtures, filler and additive.The proportioning of each component is as follows in the material of initial bed 11：TPU/100 parts of PETG mixtures (including TPU particle 80-95 parts, PETG particle 5-20 parts), filler 100-300 parts, additive 1-15 parts (including stabilizer 1-10 parts, fire retardant 0-5 parts, antismoke agent 0-1 parts).
The material in intermediate layer 12 includes TPU/PETG mixtures, filler and additive.In the present embodiment, intermediate layer 12Material is made up of TPU/PETG mixtures, filler and additive.The proportioning of each component is as follows in the material in intermediate layer 12：TPU/100 parts of PETG mixtures (including TPU particle 80-95 parts, PETG particle 5-20 parts), filler 200-300 parts, additive 1-15 parts (including stabilizer 1-10 parts, fire retardant 0-5 parts, antismoke agent 0-1 parts).
In another embodiment of the present invention, some compositions in the additive or additive in base layer 10 can take the circumstances into considerationOmit.
Initial bed 11 and the filler in intermediate layer 12 can be stone flour, calcite or kaolin, and stabilizer can be poly- carbonizationDiimine (model：UN-03), fire retardant can be magnesium hydroxide, aluminium hydroxide, hydration zinc borate and hydrotalcite, and antismoke agent canThink ferrocene or molybdenum system antismoke agent.
The manufacture method of the non-halogen surfacing of the present embodiment is essentially identical with first embodiment, and difference is to processTemperature.When preparing non-halogen surfacing using hot pressing fitting method, the calendering formation temperature in step S11 and S12 is 120-170℃.When preparing non-halogen surfacing using online fitting method, the extrusion molding temperature in step J11 is at 150-190 DEG C.PETGIt is very good with TPU compatibility, and PETG addition can also influence the processing and forming temperature of base layer.In addition, PETG's addsEnter to significantly improve the hardness of matrix layer material, but matrix layer material is brittle if the too many PETG of addition, therefore, controlPETG content is 5-20%.
Fourth embodiment：
The decorative layer 20 and wearing layer 30 of the non-halogen surfacing of the present embodiment and the non-halogen surfacing of first embodimentIdentical, the difference of the present embodiment and first embodiment is base layer 10.
In the present embodiment, base layer 10 equally includes initial bed 11 and the intermediate layer 12 on initial bed 11.In an alternative embodiment of the invention, base layer 10 can not also include intermediate layer 12.
The material of initial bed 11 includes TPU/NBR/PETG mixtures, filler and additive.In the present embodiment, initial bed11 material is made up of TPU/NBR/PETG mixtures, filler and additive.Each component matches somebody with somebody such as in the material of initial bed 11Under：100 parts of TPU/NBR/PETG mixtures are (including TPU particle 55-90 parts, NBR particle 5-25 parts, PETG particles 5-20Part), filler 100-300 parts, additive 1-15 parts (including stabilizer 1-10 parts, fire retardant 0-5 parts, antismoke agent 0-1 parts).
The material in intermediate layer 12 includes TPU/NBR/PETG mixtures, filler and additive.In the present embodiment, intermediate layer12 material is made up of TPU/NBR/PETG mixtures, filler and additive.Each component matches somebody with somebody such as in the material in intermediate layer 12Under：100 parts of TPU/NBR/PETG mixtures are (including TPU particle 55-90 parts, NBR particle 5-25 parts, PETG particles 5-20Part), filler 200-300 parts, additive 1-15 parts (including stabilizer 1-10 parts, fire retardant 0-5 parts, antismoke agent 0-1 parts).
In another embodiment of the present invention, some compositions in the additive or additive in base layer 10 can take the circumstances into considerationOmit.
Initial bed 11 and the filler in intermediate layer 12 can be stone flour, calcite or kaolin, and stabilizer can be poly- carbonizationDiimine (model：UN-03), fire retardant can be magnesium hydroxide, aluminium hydroxide, hydration zinc borate and hydrotalcite, and antismoke agent canThink ferrocene or molybdenum system antismoke agent.
The manufacture method of the non-halogen surfacing of the present embodiment is essentially identical with first embodiment, and difference is to processTemperature.When preparing non-halogen surfacing using hot pressing fitting method, the calendering formation temperature in step S11 and S12 is 120-170℃.When preparing non-halogen surfacing using online fitting method, the extrusion molding temperature in step J11 is at 150-190 DEG C.
5th embodiment：
The decorative layer 20 and wearing layer 30 of the non-halogen surfacing of the present embodiment and the non-halogen surfacing of first embodimentIdentical, the difference of the present embodiment and first embodiment is base layer 10.
In the present embodiment, base layer 10 equally includes initial bed 11 and the intermediate layer 12 on initial bed 11.In an alternative embodiment of the invention, base layer 10 can not also include intermediate layer 12.
The material of initial bed 11 includes TPU/ABS mixtures, filler and additive.In the present embodiment, initial bed 11Material is made up of TPU/ABS mixtures, filler and additive.The proportioning of each component is as follows in the material of initial bed 11：TPU/ABS100 parts of mixture (including TPU particle 70-90 parts, ABS particle 10-30 parts), filler 100-300 parts, additive 1-15 parts(including stabilizer 1-10 parts, fire retardant 0-5 parts, antismoke agent 0-1 parts).
The material in intermediate layer 12 includes TPU/ABS mixtures, filler and additive.In the present embodiment, intermediate layer 12Material is made up of TPU/ABS mixtures, filler and additive.The proportioning of each component is as follows in the material in intermediate layer 12：TPU/ABS100 parts of mixture (including TPU particle 70-90 parts, ABS particle 10-30 parts), filler 200-300 parts, additive 1-15 parts(including stabilizer 1-10 parts, fire retardant 0-5 parts, antismoke agent 0-1 parts).
In another embodiment of the present invention, some compositions in the additive or additive in base layer 10 can take the circumstances into considerationOmit.
Initial bed 11 and the filler in intermediate layer 12 can be stone flour, calcite or kaolin, and stabilizer can be poly- carbonizationDiimine (model：UN-03), fire retardant can be magnesium hydroxide, aluminium hydroxide, hydration zinc borate and hydrotalcite, and antismoke agent canThink ferrocene or molybdenum system antismoke agent.
The manufacture method of the non-halogen surfacing of the present embodiment is essentially identical with first embodiment, and difference is to processTemperature.When preparing non-halogen surfacing using hot pressing fitting method, the calendering formation temperature in step S11 and S12 is 120-170℃.When preparing non-halogen surfacing using online fitting method, the extrusion molding temperature in step J11 is at 150-190 DEG C.Pass throughThe content of ABS in matrix layer material is adjusted, processing temperature can also be controlled within the above range.
Sixth embodiment：
The decorative layer 20 and wearing layer 30 of the non-halogen surfacing of the present embodiment and the non-halogen surfacing of first embodimentIdentical, the difference of the present embodiment and first embodiment is base layer 10.
In the present embodiment, base layer 10 equally includes initial bed 11 and the intermediate layer 12 on initial bed 11.In an alternative embodiment of the invention, base layer 10 can not also include intermediate layer 12.
The material of initial bed 11 includes ABS/NBR mixtures, filler and additive.In the present embodiment, initial bed 11Material is made up of ABS/NBR mixtures, filler and additive.The proportioning of each component is as follows in the material of initial bed 11：ABS/NBR100 parts of mixture (including ABS particle 85-95 parts, NBR particle 5-15 parts), filler 100-300 parts, additive 1-15 parts(including stabilizer 1-10 parts, fire retardant 0-5 parts, antismoke agent 0-1 parts).
The material in intermediate layer 12 includes ABS/NBR mixtures, filler and additive.In the present embodiment, intermediate layer 12Material is made up of ABS/NBR mixtures, filler and additive.The proportioning of each component is as follows in the material in intermediate layer 12：ABS/NBR100 parts of mixture (including ABS particle 85-95 parts, NBR particle 5-15 parts), filler 200-300 parts, additive 1-15 parts(including stabilizer 1-10 parts, fire retardant 0-5 parts, antismoke agent 0-1 parts).
In another embodiment of the present invention, some compositions in the additive or additive in base layer 10 can take the circumstances into considerationOmit.
Initial bed 11 and the filler in intermediate layer 12 can be stone flour, calcite or kaolin, and stabilizer can be poly- carbonizationDiimine (model：UN-03), fire retardant can be magnesium hydroxide, aluminium hydroxide, hydration zinc borate and hydrotalcite, and antismoke agent canThink ferrocene or molybdenum system antismoke agent.
The manufacture method of the non-halogen surfacing of the present embodiment is essentially identical with first embodiment, and difference is to processTemperature.When preparing non-halogen surfacing using hot pressing fitting method, the calendering formation temperature in step S11 and S12 is 120-170℃.When preparing non-halogen surfacing using online fitting method, the extrusion molding temperature in step J11 is at 150-190 DEG C.Pass throughABS and NBR proportioning in matrix layer material, processing temperature can also be controlled within the above range.
7th embodiment：
The decorative layer 20 and wearing layer 30 of the non-halogen surfacing of the present embodiment and the non-halogen surfacing of first embodimentIdentical, the difference of the present embodiment and first embodiment is base layer 10.
In the present embodiment, base layer 10 equally includes initial bed 11 and the intermediate layer 12 on initial bed 11.In an alternative embodiment of the invention, base layer 10 can not also include intermediate layer 12.
The material of initial bed 11 includes PETG/NBR mixtures, filler and additive.In the present embodiment, initial bed 11Material is made up of PETG/NBR mixtures, filler and additive.The proportioning of each component is as follows in the material of initial bed 11：PETG/100 parts of NBR mixtures (including PETG particle 80-95 parts, NBR particle 5-20 parts), filler 100-300 parts, additive 1-15 parts (including stabilizer 1-10 parts, fire retardant 0-5 parts, antismoke agent 0-1 parts).
The material in intermediate layer 12 includes PETG/NBR mixtures, filler and additive.In the present embodiment, intermediate layer 12Material is made up of PETG/NBR mixtures, filler and additive.The proportioning of each component is as follows in the material in intermediate layer 12：PETG/100 parts of NBR mixtures (including PETG particle 80-95 parts, NBR particle 5-20 parts), filler 200-300 parts, additive 1-15 parts (including stabilizer 1-10 parts, fire retardant 0-5 parts, antismoke agent 0-1 parts).
In another embodiment of the present invention, some compositions in the additive or additive in base layer 10 can take the circumstances into considerationOmit.
Initial bed 11 and the filler in intermediate layer 12 can be stone flour, calcite or kaolin, and stabilizer can be poly- carbonizationDiimine (model：UN-03), fire retardant can be magnesium hydroxide, aluminium hydroxide, hydration zinc borate and hydrotalcite, and antismoke agent canThink ferrocene or molybdenum system antismoke agent.
The manufacture method of the non-halogen surfacing of the present embodiment is essentially identical with first embodiment, and difference is to processTemperature.When preparing non-halogen surfacing using hot pressing fitting method, the calendering formation temperature in step S11 and S12 is 120-170℃.When preparing non-halogen surfacing using online fitting method, the extrusion molding temperature in step J11 is at 150-190 DEG C.Pass throughPETG and NBR proportioning in matrix layer material, processing temperature can also be controlled within the above range.
8th embodiment：
The decorative layer 20 and wearing layer 30 of the non-halogen surfacing of the present embodiment and the non-halogen surfacing of first embodimentIdentical, the difference of the present embodiment and first embodiment is base layer 10.
In the present embodiment, base layer 10 equally includes initial bed 11 and the intermediate layer 12 on initial bed 11.In an alternative embodiment of the invention, base layer 10 can not also include intermediate layer 12.
The material of initial bed 11 includes TPU/ABS/NBR/PETG mixtures, filler and additive.In the present embodiment, bottomThe material of the bed of material 11 is made up of TPU/ABS/NBR/PETG mixtures, filler and additive.Each component in the material of initial bed 11Proportioning it is as follows：100 parts of TPU/ABS/NBR/PETG mixtures (including TPU particle 20-40 parts, ABS particle 10-30 parts,NBR particle 10-20 parts, PETG particle 15-30 parts), filler 100-300 parts, additive 1-15 parts are (including stabilizer 1-10Part, fire retardant 0-5 parts, antismoke agent 0-1 parts).
The material in intermediate layer 12 includes TPU/ABS/NBR/PETG mixtures, filler and additive.In the present embodiment, inThe material of interbed 12 is made up of TPU/ABS/NBR/PETG mixtures, filler and additive.Each component in the material in intermediate layer 12Proportioning it is as follows：100 parts of TPU/ABS/NBR/PETG mixtures (including TPU particle 20-40 parts, ABS particle 10-30 parts,NBR particle 10-20 parts, PETG particle 15-30 parts), filler 200-300 parts, additive 1-15 parts are (including stabilizer 1-10Part, fire retardant 0-5 parts, antismoke agent 0-1 parts).
In another embodiment of the present invention, some compositions in the additive or additive in base layer 10 can take the circumstances into considerationOmit.
Initial bed 11 and the filler in intermediate layer 12 can be stone flour, calcite or kaolin, and stabilizer can be poly- carbonizationDiimine (model：UN-03), fire retardant can be magnesium hydroxide, aluminium hydroxide, hydration zinc borate and hydrotalcite, and antismoke agent canThink ferrocene or molybdenum system antismoke agent.
The manufacture method of the non-halogen surfacing of the present embodiment is essentially identical with first embodiment, and difference is to processTemperature.When preparing non-halogen surfacing using hot pressing fitting method, the calendering formation temperature in step S11 and S12 is 120-170℃.When preparing non-halogen surfacing using online fitting method, the extrusion molding temperature in step J11 is at 150-190 DEG C.
In summary, the present invention has at least one following advantage：
(1) non-halogen surfacing of the invention is used as decorative layer and the material of wearing layer by using TPU, and using environmentally friendlyMaterial of the non-halogen high polymer material of type as base layer, obtained surfacing is set to be free of halogen, thus in burning disposal mistakeHarmful substance will not be produced in journey, reaches the requirement of environmental protection.
(2) false fitting print process is used, TPU film and its support membrane are fixed together printing, decoration can be reducedThe elastic deformation of layer basic unit (i.e. TPU film), avoids printed patterns from losing shape；Furthermore printed using TPU print films instead of PETGFilm, it can effectively reduce product cost and the deformation of products problem caused by the contraction of print film in itself.
(3) due to being free of PVC in matrix layer material, so the non-halogen surfacing of the present invention need not add plasticizer (neighbourPhthalates), so as to avoid the human body because caused by introducing phthalate from endangering.
(4) calendering formation after base layer and wearing layer can be directly kneaded, shaping is fast, and size is accurate, can be mass.
(5) in the present invention, it is preferred to which the base material of base layer is TPU/NBR mixtures, TPU/PETG mixtures and TPU/One kind in NBR/PETG mixtures.Firstly, since the compatibility between NBR, PETG and TPU three is very good, ensure that mixedMaterial is well-behaved after conjunction；Furthermore PETG addition can significantly improve the hardness of compound, but the too many PETG of addition causes to mixIt is brittle to close material, therefore it is 5-20% to control PETG content；NBR addition can improve the pliability of compound, effectively widen baseThe processing and forming temperature of body layer, but adding too many NBR easily makes compound soften, therefore it is 5-25% to control NBR content, withCompared using TPU merely, processing temperature can widen 120-170 DEG C when being prepared using rolling-molding method, using extrusion moldingProcessing temperature can widen 150-190 DEG C during preparation.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, thoughSo the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology peopleMember, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modificationFor the equivalent embodiment of equivalent variations, as long as being the technical spirit pair according to the present invention without departing from technical solution of the present invention contentAny simple modification, equivalent change and modification that above example is made, in the range of still falling within technical solution of the present invention.