CN100510242C - Flame-retardant environment-protection artificial leather and making method thereof - Google Patents
Flame-retardant environment-protection artificial leather and making method thereof Download PDFInfo
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- CN100510242C CN100510242C CNB2005100072299A CN200510007229A CN100510242C CN 100510242 C CN100510242 C CN 100510242C CN B2005100072299 A CNB2005100072299 A CN B2005100072299A CN 200510007229 A CN200510007229 A CN 200510007229A CN 100510242 C CN100510242 C CN 100510242C
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Abstract
This invention relates to a burning-resistant environment protection artificial leather including a backing, a followed layer, an interface layer and a surface layer, in which, the character of the leather is that an interface layer formed by a solid PUR resin component with the Cl-free burning-resistant agent is added in it including a burning-resistant agent, a PUR resin with the solid phase higher than 50% and a hardener. A manufacturing method is also provided.
Description
Technical field
The invention relates to a kind of manufacture method of environment-protection artificial leather of anti-combustion and the environment-protection artificial leather of prepared anti-combustion.
Background technology
The class corium artificial leather manufacture method of commonly using, as shown in Figure 1, it comprises two main processing procedures, and one is dry process 100, and another is a wet process 101.Dry process 100 comprises two key steps 102,104, to form the dry type polyurethane resin layer (step 102) of the about 0.02mm～0.03mm of a thickness, coat one then with formation one following layer (step 104) of polyurethane resin constituent in this dry type polyurethane resin layer prior to coating one deck dry type polyurethane resin constituent on the release liners again with the about 0.04mm～0.05mm of thickness.Wet process 101 comprises four key step 106-114, earlier with impregnation with polyurethane resin constituent impregnation one base material to form an impregnation layer in this base material (step 106), to be coated with again and coat this base material with the polyurethane resin constituent and carry out, and then coating layer will be solidified (step 110), washing wet processed such as (steps 112) to form a foaming layer on this base material.At last, the product of dry process is pasted with its surperficial following layer in the foaming layer of product of wet process (step 114), torn off release liners (step 116) again, obtain the artificial leather of similar corium texture by this.
Yet, be in aforesaid dry process employed dry type polyurethane resin, then all contain a large amount of organic solvents for example MEK, DMF, TOL with polyurethane resin, coating with polyurethane resin with polyurethane resin or the impregnation of in wet process, using, when form the dry type polyurethane resin layer, the curing following layer need carry out drying steps that the organic solvent that contains in the constituent is volatilized; Impregnation layer and foaming layer then need to carry out the displacement of organic solvent and water organic solvent are dissolved in the water, reclaim through reclaimer again.These organic solvents have toxicity, not only human body are had chronic harm, also environment are caused very big pollution, and organic solvent also has inflammability, have control just to cause fire accidentally easily slightly.
At present, for improving the pollution problem of organic solvent, be with coat waterborne polyurethane resin layer on the release liners directly change paste be machined in Nonwovens or weave cotton cloth on.But resulting artificial leather does not have the thickness and the elasticity of similar real leather, so feel and the non-constant of anti-curvature, does not have body sense, solid sense yet.In addition, be the feel of the artificial leather that improve to use aqueous polyurethane layer, also the someone will coat aqueous polyurethane layer on the release liners directly changes to paste and is machined on the artificial leather wet type semi-finished product with foaming layer.Yet the half-finished manufacture process of artificial leather wet type (referring to aforesaid wet process 101) still will be used a large amount of organic solvents.Thus, though the processing procedure of the surperficial laminating layer of aforementioned artificial leather has environment protecting, when making the artificial leather wet type semi-finished product of its internal layer, still can use a large amount of organic solvents and contaminated environment.
In addition, owing in the process of making, use a large amount of organic solvents, still have organic solvent residual in the known artificial leather usually, add polyurethane resin itself and have combustibility, therefore with the artificial leather weak effect of anti-combustion of located by prior art manufacturing, meet fire and promptly burn, have no fire performance.The Related product of artificial leather is widely used in fields such as furniture item, medical equipment, automobile insides at present, and for user's safety, urgent need will develop the artificial leather that to have flame resistance.
Generally speaking, the manufacturer of artificial leather is to use and adds chlorine compound in polyurethane resin, improves the flame resistance of artificial leather by this.Yet itself has toxicity chlorine compound, therefore when making, use, reclaiming and incinerating the artificial leather that adds chlorine compound, all will pay very big environmental protection cost.Therefore the artificial leather that adds chlorine compound certainly will will be eliminated.
Summary of the invention
The environment-protection artificial leather manufacture method that the purpose of this invention is to provide a kind of anti-combustion reduces the use of organic solvents in a large number and makes the product that makes have the function of anti-combustion in manufacture process.
The environment-protection artificial leather manufacture method that another object of the present invention provides a kind of anti-combustion can make have solid sense, artificial leather that body sense and anti-Qu Xingjia are similar to corium.
In order to reach above-mentioned and other purpose, the invention provides a kind of manufacture method of environment-protection artificial leather of anti-combustion, its key step is as follows.At first, coating one first polyurethane resin constituent on a release liners, the surface layer of the about 0.02mm～0.2mm of formation thickness.Next step, one high solid composition polyurethane resin constituent is coated on this surface layer to form the intermediate layer of the about 0.1mm～3mm of thickness, and wherein the polyurethane resin constituent of this high solid composition is to be higher than 50% polyurethane resin and curing agent mixing by not chloride flame retardant, a solid composition to form.Then, on this intermediate layer coating one deck second polyurethane resin constituent (
The institute The second polyurethane resin constituent of stating is a solid constituent percentage by weight 10%～90% Polyurethane resin is made into) formation one following layer.At last, the base material of the about 0.5mm～3mm of a thickness is sticked this following layer, again release liners is torn off, obtain a kind of environment-protection artificial leather of anti-combustion by this.
Be applicable to that polyurethane resin constituent of the present invention comprises the polyurethane resin constituent that does not contain organic solvent or contain a small amount of organic solvent, for example water-soluble type polyurethane resin combination and water-dispersion type (water dispersed) polyurethane resin constituent.In the manufacture process of artificial leather, these polyurethane resin constituents can not volatilize or only volatilize the organic solvent of trace, can reach the purpose of environmental protection effectively.
The invention is characterized in and utilize the high solid composition polyurethane resin constituent that is added with this not chloride flame retardant to form the intermediate layer of a thickness much larger than surface layer and following layer.The polyurethane resin constituent that the solid composition is high contains less comparatively speaking organic solvent makes the flame retardant that adds can bring into play effect, and differ less when thickness after dry and coating, can form the thicker intermediate layer of thickness easily, reach the solid sense and the anti-curvature of corium quality.
The present invention provides a kind of manufacture method of environment-protection artificial leather of anti-combustion in addition, and its key step is as follows.One mixture that will comprise percentage by weight 10～40% polyalcohols, percentage by weight 15～25% polyisocyanate, percentage by weight 15～35% chain lengthening agent and this not chloride flame retardant, remain on the impact mixing head of-20 ℃～60 ℃ reaction ejecting devices along temperature, employing slows down the contrary operation mode of reaction jet forming method, slows down the esterification of impacting this mixture in the mixing head.After the prepolymerization reaction of carrying out each composition makes the presoma of generating polyurethane, can further add the presoma (isocyanate index NCO/OH is about 0.9～1.2) that 15～25 weight % polyisocyanate make into Polyurethane according to circumstances in mixing the latter end that impacts head.Then, control ejaculation pressure is 4kgf/cm
2Below implement coating processing, make presoma fully flow expansion, penetrate on this release liners of coating, and be controlled at 70～180 ℃ baking oven for heating, make the presoma reaction gather into a polyurethane resin through temperature.When this polyurethane resin still keeps stickiness, a base material is sticked this polyurethane resin, make this polyurethane resin sclerosis through baking oven for heating again, obtain the environment-protection artificial leather semi-finished product of an anti-combustion.At last, this release liners torn off this release liners is separated with this polyurethane resin, to obtain the environment-protection artificial leather of an anti-combustion.
Description of drawings
Fig. 1 is the flow chart of known artificial leather manufacture method;
Fig. 2 is the flow chart of the environment-protection artificial leather manufacture method of anti-combustion according to an embodiment of the invention; And
Fig. 3 a-3e is the manufacture method with the environment-protection artificial leather of the anti-combustion of cutaway view diagram one embodiment of the invention.
[figure number explanation]
100 dry process, 101 wet process
102 form dry type polyurethane layer 104 forms following layer
106 impregnations, 108 coatings
110 solidify 112 washings
114 applyings 116 tear release liners off
202 form surface layer 204 forms the intermediate layer
206 form following layer 208 fits
210 tear release liners off
310 release liners, 320 surface layers
330 intermediate layers, 340 following layers
350 base materials
The specific embodiment
In order to allow above and other objects of the present invention, feature and the advantage can be more obvious, preferred embodiment of the present invention cited below particularly, and cooperate appended icon, be described in detail below.
At first will cooperate Fig. 2 and Fig. 3 a-3e that the environment-protection artificial leather manufacture method of anti-combustion of the present invention is described.At first, (with reference to Fig. 3 a), coating one deck polyurethane resin constituent just forms a surface layer 320 after the oven dry on release liners 310 in step 202.In step 204 (with reference to Fig. 3 b), will contain one not the polyurethane resin constituent of the high solid composition of chloride flame retardant (Solid Content) coat on the surface layer 320, forms an intermediate layer 330 after the oven dry sclerosis.Then, in step 206 (with reference to Fig. 3 c), another layer of coating polyurethane resin combination forms a following layer 340 on this intermediate layer 330.At last, in step 208 (with reference to Fig. 3 d), a base material is sticked this following layer 340, after following layer oven dry sclerosis, (with reference to Fig. 3 e) tears release liners 310 off in step 210, just obtains the environment-protection artificial leather of an anti-combustion.
The present invention utilizes the polyurethane resin constituent to form surface layer 320 and following layer 340.Be applicable to that the polyurethane resin constituent that forms surface layer 320 is solvent type polyurethane resin constituent or water-soluble type polyurethane resin combination and water-dispersion type (water dispersed) polyurethane resin constituent.Be applicable to that the polyurethane resin constituent that forms following layer 340 is solvent type polyurethane resin constituent, water-soluble type polyurethane resin combination, water-dispersion type (waterdispersed) polyurethane resin constituent and no-solvent type moisture-curable polyurethane resin constituent.The water-soluble type polyurethane resin combination that is fit to is can be from Bayer CHEM Co, and Ltd buys the no-solvent type water-soluble polyurethane resin that commodity are IMPRANIL DLS (solvent-free water-soluble polyurethane resin).The water dispersant type polyaminoester resin combination that is fit to is can be from Bayer CHEM Co, and it is IMPRANIL DLP water dispersant type polyaminoester resin (water dispersed polyurethane resin) that Ltd buys commodity.
Can use the polyurethane resin constituent of elastomer solid composition percentage by weight about 10%～90% when forming surface layer 320, its best scope of application is 35%～60%, after about 80 ℃～140 ℃ oven dry of excess temperature, form the surface layer 320 of the about 0.02mm～0.2mm of thickness.
It should be noted that the aforementioned high solid composition polyurethane resin constituent of chloride flame retardant not of containing is to be higher than 50% polyurethane resin and a curing agent by the flame retardant that this is not chloride, a solid composition to mix and form.This high solid composition polyurethane resin constituent is to form thickness (0.2mm～3mm), provide abundant by this and rubber-like texture is provided the thickness in intermediate layer 330 much larger than the intermediate layer 330 of surface layer 320 and following layer 340.The polyurethane resin that is suitable for preparing this high solid composition polyurethane resin constituent is preferably the polyurethane resin of the solid composition (Solid Content) that contains more than 50%, and better is high solid composition (Solid Content) the PU resin that contains more than 93%.More particularly, this high solid composition polyurethane resin constituent is by the polyurethane resin with the solid composition 93-98% of percentage by weight about 65%～85%, about 0%～2% interfacial agents, about 3%～7% curing agent, about 0～10% colorant and about 10%～25% not chloride flame retardant mix and form.Adding interfacial agents at this high solid composition polyurethane resin constituent is in order to make this interlayer surfaces have good flatness and flowability.This flame retardant can be the flame retardant that contains antimony, phosphorous flame retardant, calcium carbonate, clay (clay) etc. or its mixture.
Polyurethane resin constituent with high solid composition (more than 93%) contains less comparatively speaking organic solvent (below 7%), therefore when forming intermediate layer 330, can not volatilize a large amount of organic solvents, makes flame retardant can give full play to function.Comparatively speaking, with the artificial leather that located by prior art is made, be not that polyurethane resin constituent by the high solid composition forms, therefore need a large amount of organic solvent of use, and organic solvent residual is arranged easily in the artificial leather of making, make artificial leather burn easily.Therefore in located by prior art, although add not chloride flame retardant at its polyurethane resin constituent, because organic solvent residue makes this flame retardant can't bring into play function, therefore have the knack of this skill person and can't in the polyurethane resin constituent, add chlorine-containing compound flame retardant in addition.
In addition, the thickness of polyurethane resin constituent after drying with high solid composition differs less during with coating, can form the thicker intermediate layer of thickness 330 easily, reaches the solid sense and the anti-curvature of corium quality.
This high solid composition polyurethane resin constituent is preferably with about 100 ℃～200 ℃ temperature oven dry to form intermediate layer 330.In addition, also can in having high solid composition polyurethane resin constituent, add blowing agent, can form intermediate layer 330 by this with porous matter.Preferably, be coated with before the solid shape polyurethane resin constituent of this height earlier with this high solid composition polyurethane resin constituent in addition vacuum defoamation handle.
According to the made environment-protection artificial leather of anti-combustion of above-mentioned processing procedure is shown in Fig. 3 e, and it comprises a base material 350, a following layer 340, an intermediate layer 330 and a surface layer 320.The environment-protection artificial leather of this anti-combustion is characterised in that to have the intermediate layer 330 that one deck is formed by the high solid composition polyurethane resin constituent that is added with not chloride flame retardant between its surface layer 320 and the following layer 340.
The present invention provides a kind of manufacture method of environment-protection artificial leather of anti-combustion in addition, and this method is the TaiWan, China step that No. 275637 patent disclosed that comprises the applicant of this case, and this patent is all to incorporate this case reference at this.At first will comprise percentage by weight 10～40% polyalcohols, percentage by weight 15～25% polyisocyanate, percentage by weight 15～35% chain lengthening agent and this not chloride flame retardant (as phosphorous or the mixture of antimony containing compounds, remain on the impact mixing head of-20 ℃～60 ℃ reaction ejecting devices along temperature, employing slows down the contrary operation mode of reaction jet forming method, slows down the esterification of impacting this mixture in the mixing head.After the prepolymerization reaction of carrying out each composition makes the presoma of generating polyurethane, can further add the presoma (isocyanate index NCO/OH is about 0.9～1.2) that percentage by weight 15～25% polyisocyanate make into Polyurethane according to circumstances in mixing the latter end that impacts head.Then, control ejaculation pressure is
4kgf/cm 2 Below implement coating processing, make presoma fully flow expansion, penetrate on this release liners of coating, and be controlled at 70～180 ℃ baking oven for heating, make the presoma reaction gather into the urethane resin layer of the about 0.1mm～3mm of a thickness through temperature.When this urethane resin layer still keeps stickiness, the about 0.5mm of a thickness～3mm base material is sticked this urethane resin layer, make this urethane resin layer sclerosis through baking oven for heating again, obtain the environment-protection artificial leather semi-finished product of an anti-combustion.At last, this release liners torn off this release liners is separated with this urethane resin layer, to obtain the environment-protection artificial leather of an anti-combustion.The present invention is to adopt reaction ejection formation manufactured polyurethane resin constituent and is to adopt the contrary operation method of slowing down reaction, makes precursor stream open up on release liners under no pressure, but not sprays the outflow mixing head with crunch.Method of the present invention is to make in the temperature of impacting mixing head to remain on the polymerisation of slowing down each composition in it between-20 ℃～60 ℃, and being formed earlier, it has mobile precursor, the energy that utilizes exothermic reaction to emit again descends the viscosity of this precursor, utilize no pressure current spread-coating cloth processing again, carry out quick-hardening with baking oven for heating more afterwards, make presoma be reacted into urethane resin layer.Only needed to finish in 2-3 minute before and after this full polymerization reaction time.The method still can be made into the urethane resin layer of high solid composition under without the situation of solvent.
Being used in polyalcohol of the present invention, to stretch alkyl polyols (polyoxy alkylenepolyol) with polyoxygenated be the best.Be used in polyoxygenated of the present invention and stretch the degree of unsaturation of alkyl polyols and need below 0.05meq/g, to be preferably below the 0.03meq/g, be more preferred from below the 0.025meq/g.The molecular weight that polyoxygenated is stretched alkyl polyols is required to be 1000～3000, is good with 1500～2000 especially.The hydroxyl value of each molecule is 1.2～2.0 for good, and polyoxygenated of the present invention is stretched alkyl polyols and also be can be two or more mixtures.
Being used in polyisocyanate of the present invention is to be diphenylmethyl vulcabond, poly-methyl unit phenyl isocyanate, toluenediisocyanate or these upgrading thing or its mixture stretched.The chain lengthening agent is to be ethylene glycol, 1, alkyl addition product or its mixture are stretched in 4 one butanediols, neopentyl glycol, 1,6 one hexylene glycol, diethylene glycol, triethylene glycol, dipropylene glycol, triethanolamine, N-alkyl diethanol amine, N one alkyl diethanol amine, bisphenol-A one oxidation.With reference to Fig. 1 and Fig. 2, except anti-combustion and environment protecting, the environment-protection artificial leather manufacture method of anti-combustion provided by the present invention can be saved the wet process in the known techniques, can significantly simplify the manufacture process of artificial leather, improves prouctiveness.
Following embodiment is in order to being described in more detail the present invention, and is not in order to limit the present invention.
Embodiment 1
The polyurethane resin coating of coating one deck 12.5% solid composition (containing 87.5% solvent) on a release liners, wherein the viscosity of this cold coating is to be controlled in 1300cps/30 ℃.Utilize baking oven this polyurethane resin coating oven dry to be formed a surface layer with 110 ℃.
The polyurethane resin coating of one high solid composition is coated on the dry surface layer, and wherein this coating is polyurethane resin (solid 93%), 20% phosphorus flame retardant and the antimony oxide (Sb by percentage by weight 67%
2O
3) (part by weight of phosphorus flame retardant and antimony oxide is 2:1), 1% interfacial agents, 4% curing agent, 6% filler and 2% coloring material for mixing form, and its viscosity is to be controlled in 25000cps/30 ℃.Utilize baking oven to form an intermediate layer with 160 ℃ of polyurethane resin coating oven dry sclerosis with this high solid composition.
The polyurethane resin coating of coating one deck solid composition 35% forms a following layer on the intermediate layer of sclerosis.Utilize baking oven that the polyurethane resin coating of this following layer is dry a little again, when on following layer, possessing stickiness with thickness 1.0mm's and stick following layer through the 100%PET that the water-based fireproof agent the is handled base material of weaving cotton cloth.Utilize baking oven with the oven dry of the polyurethane resin coating of following layer again, after the cooling wheel cooling, divest that release liners just obtains having solid sense, the artificial leather of high-peeling strength and high anti-song and anti-combustion.
The non-environmental protection processing procedure product that comprises dry type and wet process with tradition in the artificial leather of present embodiment gained and the prior art is compared as follows table 1.
Table 1
Embodiment 2
The expansion type polyurethane resin coating of coating one deck solid composition 12.5% on release liners, wherein the viscosity of this cold coating is to be controlled in 1300cps/30 ℃.Utilize baking oven this polyurethane resin coating oven dry to be formed a surface layer with 110 ℃.
The polyurethane resin coating of one high solid composition is coated on the dry surface layer, and wherein this coating is polyurethane resin (solid composition 93%), 12% phosphorus flame retardant and the antimony oxide (Sb by percentage by weight 40%
2O
3) (part by weight of phosphorus flame retardant and antimony oxide is 2:1), 0.5% interfacial agents, 7% curing agent, 38.5% filler and 2% coloring material for mixing form, and its viscosity is to be controlled in 25000cps/30 ℃.Utilize baking oven to form an intermediate layer with 130 ℃ of polyurethane resin coating oven dry sclerosis with this high solid composition.
The polyurethane resin coating of coating one deck solid composition 35% forms a following layer on the intermediate layer of sclerosis.Utilize baking oven that the polyurethane resin coating of this following layer is dry a little again, when possessing stickiness on following layer, the 100%PET that thickness 1.0mm is handled through the water-based fireproof agent base material of weaving cotton cloth sticks following layer.Utilize baking oven with the oven dry of the polyurethane resin coating of following layer again, after the cooling wheel cooling, divest release liners and just obtain the foam environmental protection leather products of anti-combustion of a kind of tool.
The non-environmental protection processing procedure product that comprises dry type and wet process with tradition in the artificial leather of present embodiment gained and the prior art is compared as follows table 2.
Table 2
By table 1 and table 2 as can be known, according to the environment-protection artificial leather of the prepared anti-combustion of present embodiment, its peel strength and other physical property all are as good as with the product rerum natura of the known techniques of using a large amount of organic solvents.And its manufacture process is only used trace not even not with an organic solvent than known techniques, and it has flame resistance, so this can reach purpose of protection health, protection personal safety and protection environment.
Though the present invention is with reference to the details of invention preferred embodiment and be disclosed in the present patent application book, be understandable that this announcement is the mode non-limiting with illustration, anyly have the knack of this skill person, without departing from the spirit and scope of the present invention, the modification of being done is indicated.Therefore protection scope of the present invention defines and is as the criterion when looking its claim.
Claims (10)
1, a kind of manufacture method of environment-protection artificial leather of anti-combustion, it is characterized in that: it comprises following steps:
Coating one deck first polyurethane resin constituent on release liners is to form a surface layer;
Not chloride flame retardant, solid composition are higher than 50% polyurethane resin and curing agent mixes to form high solid composition polyurethane resin constituent: wherein this higher-solid polyurethane resin constituent is the polyurethane resin with the solid constituent 93～98% of percentage by weight 65%～85%, 0%～2% interfacial agents, 3%～7% curing agent, 0～10% colorant and 10%～25% not chloride flame retardant mix and form;
This high solid composition polyurethane resin constituent is coated on this surface layer to form an intermediate layer;
The coating second polyurethane resin constituent forms following layer on this intermediate layer;
Base material is sticked this following layer, obtain the environment-protection artificial leather semi-finished product of an anti-combustion; And
This release liners torn off this release liners is separated with this surface layer, to obtain the environment-protection artificial leather of an anti-combustion.
2, the manufacture method of the environment-protection artificial leather of anti-combustion according to claim 1, wherein this first polyurethane resin constituent is to be water-soluble type polyurethane resin combination or water dispersant type polyaminoester resin combination or oil-based solvent type polyurethane resin combination.
3, the manufacture method of the environment-protection artificial leather of anti-combustion according to claim 1, wherein this flame retardant is the flame retardant that contains antimony, phosphorous flame retardant, calcium carbonate and clay one of them or multiple material.
4, the manufacture method of the environment-protection artificial leather of anti-combustion according to claim 1, wherein this second polyurethane resin constituent is to be water-soluble type polyurethane resin combination, water dispersant type polyaminoester resin combination or no-solvent type moisture-curable polyurethane resin constituent.
5, the manufacture method of the environment-protection artificial leather of anti-combustion according to claim 1, wherein this base material be for weave cotton cloth, nonwoven fabric or Animal Skin.
6, a kind of environment-protection artificial leather of anti-combustion, it is characterized in that: it comprises:
Base material;
The following layer that is formed by the second polyurethane resin constituent is formed on the front of this base material;
One intermediate layer is on this following layer, wherein this intermediate layer is that polyurethane resin constituent by a high solid composition forms, and the polyurethane resin constituent of this high solid composition is to mix and form by not chloride flame retardant, a solid composition being higher than a polyurethane resin of 50% and a curing agent; Wherein this higher-solid polyurethane resin constituent is the polyurethane resin with the solid constituent 93～98% of percentage by weight 65%～85%, 0%～2% interfacial agents, 3%～7% curing agent, 0～10% colorant and 10%～25% not chloride flame retardant mix and form, and the thickness in the intermediate layer of its formation is 0.1mm～3mm; And
The surface layer that is formed by the first polyurethane resin constituent is formed on this intermediate layer.
7, the environment-protection artificial leather of anti-combustion according to claim 6, wherein this base material be for weave cotton cloth, nonwoven fabric or Animal Skin, and the thickness of base material is 0.5mm～3mm.
8, the environment-protection artificial leather of anti-combustion according to claim 6, wherein this first polyurethane resin constituent is to be water-soluble type polyurethane resin combination, water dispersant type polyaminoester resin combination or no-solvent type moisture-curable polyurethane resin constituent, and the thickness of the surface layer of its formation is 0.02mm～0.2mm.
9, the environment-protection artificial leather of anti-combustion according to claim 6, wherein this flame retardant is the flame retardant that contains antimony, phosphorous flame retardant, calcium carbonate and clay one of them or multiple material.
10, according to the environment-protection artificial leather of the anti-combustion of claim 6, wherein this second polyurethane resin constituent is that polyurethane resin by solid composition percentage by weight 10%～90% is made into, and this second polyurethane resin constituent is water-soluble type polyurethane resin combination or water dispersant type polyaminoester resin combination.
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| CN101886342A (en) * | 2010-06-30 | 2010-11-17 | 安徽安利合成革股份有限公司 | Method for manufacturing antibacterial and mouldproof polyurethane synthetic leather for sofa furniture |
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