CN1177686C - Prepn of reflecting material with high abrasion resistance - Google Patents
Prepn of reflecting material with high abrasion resistance Download PDFInfo
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- CN1177686C CN1177686C CNB011156325A CN01115632A CN1177686C CN 1177686 C CN1177686 C CN 1177686C CN B011156325 A CNB011156325 A CN B011156325A CN 01115632 A CN01115632 A CN 01115632A CN 1177686 C CN1177686 C CN 1177686C
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Abstract
The present invention provides a preparation method of a reflecting material. A resin composition blended with glass beads is coated on a release paper; after the resin composition is dried by baking, a second layer of polyurethane sticking agent composition is coated, and the resin composition is prebaked; a paste agent is coated on the composition containing a polyurethane sticking agent; then, a base (cloth) material is attached; the composition is baked and ripened; after a release paper is stripped, the glass beads of a semifinished product of the PU resin composition blended with glass beads are exposed, and the semifinished product is solidified to obtain the reflecting material. The prepared reflecting material is suitable for the aspect of commercial uses, such as clothing, vests, footwear, hats, posters, etc.
Description
The present invention is the method for making of relevant reflecting material with high abrasion resistance, especially refer on release liners, be coated with the ground floor one liquid type Polyurethane (polyurethane that is mixed with bead, hereinafter referred to as PU) resin combination, after the drying again in this through the coating a liquid type polyurethane resin composition on, coating with the second layer two-liquid type Polyurethane solid resin combination that contains colorant after and give oven dry, the coating paste sticks base cloth again, drying, maturation and peel off release liners after, to ground floor one liquid type polyurethane resin composition with solvent corrosion part resin make expose baking-curing behind the bead and reflecting material with high abrasion resistance.
Known have many patents of mentioning the lamilated body composition manufacture method of reflectorized material to be suggested, and for example United States Patent (USP) the 2nd, 432, and No. 928, the 2nd, 440, No. 584.The reflecting piece lamilated body that includes one deck bead is wherein all addressed in the 2nd, 543, No. 800, the 2nd, 397, No. 702 and the 4th, 104, No. 102 etc.The different types reflecting piece lamilated body that these patents provide, can be used for various commerce and industrial use, such as: highway sign, traffic safety reflector plate etc., all be to have the character that is reflected into the major part that is incident upon livery light, this light through reflection can turn back to light emitting source along its original light path in fact.Aspect the purposes of reflecting piece lamilated body, importantly this lamilated body must have very good optical transparency, it can when being incident upon lamilated body with quite little incidence angle, light still can effectively be reflected, so this lamilated body is preferably pliability, make printed article and printing ink can be deposited in it, and must tight bond in the various different layers of this lamilated body, and make this lamilated body answer the tool weatherability, bead also need give the firm lamilated body that is positioned.
Yet, present commercially available reflectorized material, though its reflecting effect is good, goods are not had an abrasion performance, contained bead is everlasting and is come off at once after the friction for several times in the reflectorized material.The outer used bead of its reason only is that resin combination on base cloth is still on uncured border, scatter thereon via distribution method, with being bonded on the resin of physical property, resin in the set after the curing and between bead and not exclusively so that abrasion performance not.Add that the resin that has solidified only is be dullness plane, also not satisfactory aspect reflective function.Above-mentioned again commercially available reflectorized material is to be limited to the highway sign because base material mostly is hard material greatly.Traffic safety reflector plate and industry security sign use, and do not see with soft base cloth material to make on the commercial people's livelihood purposes applicable to any clothing, vest, footwear, cap, placard etc.
In view of this, the inventor etc. are through self-criticism research meticulously, finally find to adopt prior to having on the release liners (also being called processing release paper) of kowtowing protruding decorative pattern, coating has the ground floor dope layer one liquid type PU resin combination of bead with fusion, then being coated with second layer two-liquid type after the drying contains behind the Polyurethane solid composition of colouring agent and gives oven dry, after containing the Polyurethane solid composition of colouring agent, this coats paste again, stick base (cloth) material then, through giving oven dry, maturation, after divesting release liners, the ground floor dope layer one liquid type PU resin combination that these semi-finished product is had bead with the fusion that divests release liners of a solvent corrosion part, make bead expose back curing and get final product to such an extent that bead fixedly secures the reflecting sheet material of energy abrasion performance, so that finish the present invention.
Below describe technology contents of the present invention in detail.
First feature of the present invention is to cooperate the resin of suitable kind as substrate (matrix) resin in the ground floor dope layer one liquid type PU resin combination of reflecting sheet material of the present invention with certain weight ratio.As for resin, have to make and take abrasion performance, heat-resisting then necessity of the structure of property, corrosion proof equilibrium.This ground floor dope layer one liquid type PU resin combination, cause needs the drying maturation to making the tool hear resistance in processing thereafter, be to adopt the superior liquid type polyurethane resin composition of heat-resisting then property, usually make the heat-resisting then property raising of this PU resin, be to improve the aggegation intensity of polyurethane resin, for example get final product by the amount that increases hard segment.
Yet the PU resin that the amount of hard segment increases, though the hear resistance as polyurethane resin is high, but and the then processing between release liners and second layer two-liquid type Polyurethane solid resin combination, especially in only still laminated processing (referring on ground floor, apply again the processing of the second layer) under bone dry state not with the short heat treatment step, and these Polyurethane solid resin combinations between can promisingly fail fully to give the heat-resisting then problem of property.
For eliminate for a long time fail fully give heat-resisting then property problem, one object of the present invention is provides a liquid type PU resin combination as the ground floor dope layer, that is need not use and hand over the sign agent, and especially under bone dry state not laminated processing also can show a heat-resisting then liquid type PU resin combination of property.
A liquid type PU resin combination used in the present invention, wherein the PU resin is to adopt to be made by having polyol component, PIC composition and organic solvent.
As for polyol component, can list by ethylene glycol, diethylene glycol, triethylene glycol, 1, the 2-propane diols, 1, ammediol, 1, the 2-butanediol, 1, the 3-butanols, 1, the 4-butanediol, six methylene glycol, hydrogenated bisphenol A, bisphenol-A, trimethylolpropane, the oxirane of low-molecular-weight polyalcohol such as glycerine and/or propylene oxide adduct, polyethylene glycol, polypropylene glycol, the polyethylene/polypropylene glycol, polycaprolactone polyol, polyolefin polyhydric alcohol, the PPG of polybutadiene polyol etc., and the PEPA that forms by the reaction product of polyalcohol and polybasic carboxylic acid.Wherein suitable polybasic carboxylic acid can be in essence aliphatic, alicyclic, aromatic series or heterocycle family and is preferably that halogen atom replaces and/or unsaturated.The used polyalcohol of above-mentioned PEPA can be ethylene glycol, 1, the 2-propane diols, 1, ammediol, 1, the 3-butanols, 1, the 4-butanediol, two-beta-hydroxy butanols, 1, the 6-hexylene glycol, 1, the 7-heptandiol, 1, the 8-ethohexadiol, 1, the 12-dodecanediol, 1, the 18-octacosanol, neopentyl glycol, cyclohexanediol, two (1, the 4-hydroxymethyl) cyclohexane, 2, two (4-hydroxy-cyclohexyl) propane of 2-, 2,2-(bis-beta-hydroxyethyl base oxethyl) phenyl-propane, the 2-methyl isophthalic acid, the 3-butanediol, 3-methyl 1, the 5-pentanediol, 2,2,4-and 2,4,4-trimethyl-1, the 6-hexylene glycol, glycerine, 1,1, the 1-trimethylolethane, 1,2,6-hexane triol, 1,2, the 4-butantriol, ginseng (right-ethoxy) isocyanuric acid ester, also isoamyl tetrol, sweet mellow wine, D-sorbite, diethylene glycol, DPG, dibutylene glycol, Xylene glycol and hydroxypentanoic acid DOPCP; Above-mentioned polybasic carboxylic acid can be butanedioic acid, adipic acid, 1,8-suberic acid, azelaic acid, decanedioic acid, phthalic acid, terephthalic acid (TPA), M-phthalic acid, trimesic acid, benzene tetracarboxylic acid, tetrahydrochysene phthalic acid, hexahydrobenzene dioctyl phthalate, six hydrogen terephthalic acid (TPA)s, dichloro phthalic acid, tetrachloro-phthalic acid, methylene bridge tetrahydrochysene phthalic acid, binary aliphatic acid, glutaric acid, maleic acid, fumaric acid and acid anhydride class thereof, dimethyl terephthalate (DMT), the two diol esters of terephthalic acid (TPA).At the preparation PEPA, can use certainly the polyalcohol that shows any mixture and on any mixture and/or its acid anhydride class or the ester class of the polybasic carboxylic acid that shows.Be 1 adopting molecular weight among these, 000-5, the PEPA of 000 scope, be preferably 1,500-5,000, adopting molecular weight again is 1,000-5, the PPG of 000 scope, be preferably 2,000-3,000, and PEPA is to the consumption amount match ratio of PPG, in the scope of polyol component weight at 1/9-9/1, be preferably 3/7-7/3, especially can get abrasion performance and the superior coating layer of heat-resisting then property.These can use or mix use separately.At this, the consumption of glycol accounts for 15%-20% in the total weight of a liquid type PU resin combination.As for the PIC composition, can enumerate: aliphatic, ester ring type and aromatic poly-isocyanate, being preferably aromatic poly-isocyanate can enumerate: toluene two cyanates (TDI), diphenyl methane two cyanates (MDI), dimethylbenzene two isocyanide esters (XDI), 3,3 '-dimethoxy-Ji 4,4 '-biphenyl diisocyanate, 1, the 5-naphthalene diisocyanate, 1,5-naphthane vulcabond, 2,4-first phenylene vulcabond, 2,6-first phenylene vulcabond, 4,4 '-methyl diphenylene diisocyanate (MDI), 2,4 '-methyl diphenylene diisocyanate, stretch phenyl diisocyanate, stretch diphenyl diisocyanate, tetramethyl is stretched xylyl vulcabond etc.; Aliphatic polymeric isocyanate can have been enumerated: four methylene vulcabond (TMDI), six methylene vulcabond (HMDI), ring are stretched hexyl diisocyanate, 4,4 '-dicyclohexyl methyl hydride diisocyanate, 2,4-dicyclohexyl methyl hydride diisocyanate; The ester ring type PIC can have been enumerated: IPDI (IPDI).In the aromatic series that adopts diphenyl methane two cyanates (MDI), IPDI (IPDI) etc. or the situation of ester ring type PIC, especially can get abrasion performance and the superior coating layer of heat-resisting then property among these.These can use or mix use separately.Account for 5%-10% at the consumption of this isocyanates in the total weight of a liquid type PU resin combination.
As for organic solvent, can enumerate: acetone, MEK, toluene, dimethylbenzene, diox, oxolane, N-N-methyl-2-2-pyrrolidone N-, dimethyl formamide.Dimethylacetylamide, dimethyl sulfoxide (DMSO), ester acetoacetic ester etc.Consumption of organic solvent at this accounts for 70%-80% in the total weight of a liquid type PU resin combination
A liquid type PU resin combination used in the present invention, by adopt polyol component, the PIC composition react in organic solvent and the PU resin, reach solvent and bead, additive combination and form.For make this ground floor dope layer one liquid type PU resin combination and release liners and contain can have between the second layer two-liquid type Polyurethane solid resin combination of colorant heat-resisting then, in this ground floor dope layer one liquid type PU resin combination, can merge certainly and use various additives etc.
It is the distortion that are suitable for removing in the formed products that wherein above-mentioned bead particle diameter is not more than 100 μ m persons, and can increase intensity and hear resistance in the liquid type PU resin combination ground floor dope layer.And can there be high reaction on used bead surface and resin is had good tack with the silane type coupling agent of generally commonly using, and the particle size of this bead is to be advisable at 10-100 μ m.For the abrasion performance of taking heat-resisting then property between ground floor dope layer one liquid type PU resin combination and second layer two-liquid type Polyurethane solid resin combination and reflecting sheet material into account and increase considering of reflective function, the consumption of this bead is with its weight ratio to ground floor dope layer one liquid type PU resin combination gross weight, with 1: 4-4: 1 scope is preferably 3: 1.
As for additive, can enumerate: rosin milk, terpenes (terpene) resin emulsion, petroleum resin emulsion etc. invest the adherence agent; Fillers such as graphite, clay, talcum powder, silica, mica, calcium carbonate, aluminium hydroxide; Additive such as silicon dioxide gel, alumina sol; Stretch membrane producing promoters such as alkane diol, derivatives; Silane coupling agent, interfacial agent; Equal spreader; Antioxidant; Defoamer; Viscosity reductant; Plasticizer, pigment, dyestuff; Flame retardant; Lubricant etc.
With the employed liquid type PU resin combination of ground floor coating of the present invention, as commonly using the product thigh, even do not use crosslinking agent also can make, only, also can use crosslinking agent for investing other characteristic such as weatherability, humidity resistance etc. as investing a superior heat-resisting then liquid type of property.These crosslinking agents can have been enumerated: epoxy resin, isocyanate compound, stretch ethyleneimine compound, poly-carbonyl diimine nitrile compound etc.
The present invention is mixed with the ground floor one liquid type Polyurethane (polyurethane of bead prior to coating on the release liners, hereinafter referred to as PU) during the step of resin combination, release liners, its material of wherein being coated with thing can be polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), cellulose family paper pulp or its compound.Its surface type can be ridge design or plane.Above-mentioned coating is mixed with the mode of the ground floor one liquid type PU composition of bead, does not give special qualification, commonly using known mode, such as blade coating, roller coat, rod be coated with, curtain is coated with, spraying, squeezing and coating etc. all can.This is through coating layer thickness of coating, consider thereafter treatment step and the purposes of reflecting sheet material, be at 30-250 μ m, to be advisable, during in response to needs, can once apply or repeatedly apply at 60-200 μ m.
For being coated with the ground floor one liquid type polyurethane resin composition that is mixed with bead on the release liners, give oven dry earlier.Its bake out temperature and time, and will not limit especially, mainly be to evaporate contained solvent part in the ground floor one liquid type polyurethane resin composition with setting for, and this ground floor one liquid type polyurethane resin composition is dried into refer to touch (tack free) state, for carrying out thermal bonding with the second layer two-liquid type Polyurethane solid resin combination that contains colorant.
Moreover in this through coating on the liquid type polyurethane resin composition on the release liners, then be the step of coating with the second layer two-liquid type Polyurethane solid resin combination that contains colorant.This second layer contains employed two-liquid type Polyurethane solid resin combination in the two-liquid type Polyurethane solid resin combination of colorant, and it normally comprises binary, is mainly a polyol component and an isocyanate prepolymer composition.
Used polyol component in the second layer two-liquid type Polyurethane solid resin combination that contains colorant of the present invention is preferably and comprises and contain an admixture based on the PEPA material of the polyester polyol resin of neopentyl glycol.Polyester polyol resin in the admixture of this PEPA material is for making this second layer two-liquid type Polyurethane solid resin combination that contains colorant and the paste that applies thereon thereafter have good then intensity and mechanical strength to give employing.Wherein the consumption of neopentyl glycol resins is the about 40%-80% at the weight meter of this polyol component.In addition, can comprise used polyalcohol in the above-mentioned ground floor dope layer one liquid type PU resin combination in this polyol component again.This one based on the solvent liquid that is combined with of the polyester polyol resin of neopentyl glycol second layer two-liquid type Polyurethane solid resin combination and the paste that applies are thereon thereafter had good then intensity and mechanical strength is helpful.Solvent liquid is preferably therewith, and polyol component uses.Certainly the resin and the flowing additive of thixotropy also can be contained in it.Solvent liquid used herein is to use mixing according to any ratio such as ethyl acetate, butyl acetate, propylene glycol monomethyl ether ethyl ester, toluene or dimethylbenzene.
And isocyanate prepolymer composition is preferably the admixture of polyisocyanate prepolymer.Can enumerate: aliphatic, ester ring type and aromatic poly-isocyanate, being preferably aromatic poly-isocyanate can enumerate: toluene two cyanates (TDI), diphenyl methane two cyanates (MDI), dimethylbenzene two isocyanide esters (XDI), 3,3 '-dimethoxy-4 ', 4,-biphenyl diisocyanate, 1, the 5-naphthalene diisocyanate, 1,5-naphthane vulcabond, 2,4-first phenylene vulcabond, 2,6-first phenylene vulcabond, 4,4 '-methyl diphenylene diisocyanate (MDI), 2,4 '-methyl diphenylene diisocyanate, stretch phenyl diisocyanate, stretch diphenyl diisocyanate, tetramethyl is stretched xylyl vulcabond etc., and aliphatic polymeric isocyanate can have been enumerated: four methylene vulcabond (TMDI), six methylene vulcabond (HMDI), ring is stretched hexyl diisocyanate.4,4 '-dicyclohexyl methyl hydride diisocyanate, 2,4-dicyclohexyl methyl hydride diisocyanate; The ester ring type PIC can have been enumerated: IPDI (PDI).In the situation that adopts diphenyl methane two cyanates (MDI), IPDI aromatic series such as (IPDI) or ester ring type PIC, especially can get mechanical strength and the superior coating layer of heat-resisting then property among these.These can use or mix use separately.Solvent liquid is preferably therewith, and isocyanate prepolymer composition uses.Solvent liquid used herein, also as above-mentioned to such as ethyl acetate, butyl acetate, propylene glycol monomethyl ether ethyl ester.Toluene or dimethylbenzene can mix use according to any ratio.
Used colouring agent colorant in the second layer two-liquid type Polyurethane solid resin combination that contains colorant of the present invention, so long as the pigment that is formed by the organic pigment of the inorganic pigment of natural minerals and synthetic dyestuff and color lake and insoluble pigment is all applicable, and will not limit especially.The second layer two-liquid type Polyurethane solid resin combination that contains colorant that herein applies, its color and luster can be shown by the bead reflected back in the water white ground floor one liquid type PU composition.
Then this second layer two-liquid type Polyurethane solid resin combination through applying is also given oven dry to becoming to refer to touch state.Its bake out temperature and time, identical with above-mentioned steps person and will not limit especially, mainly be to evaporate contained solvent part in the second layer two-liquid type Polyurethane solid resin combination with setting for, and make to be dried into and refer to touch state, for engaging with the paste that applies thereafter thereon.
The coating paste sticks base cloth again, drying, maturation and peel off release liners after, ground floor one liquid type polyurethane resin composition made to expose with solvent corrosion part resin solidifies behind the bead and must reflecting material with high abrasion resistance.Employed paste is that the adhesive agent of general sticked together base cloth gets final product.As for the base cloth (material) that the present invention was suitable for, can enumerate polyvinyl chloride (PVC), nylon, polyester, acrylonitrile-butadiene-styrene copolymer (ABS), various plastics such as Polyurethane, polyethylene (PE), polypropylene (PP), TPO (TPO) base material, fibre, synthetic products, or aluminium, copper, iron, the metal of stainless steel etc., paper, timber, middle density wood based panel plywood (MDF), plywood, glass etc., only for being used for any clothing, vest, footwear, cap, on the commercial people's livelihood purposes of placard etc., to adopt paper, fibre, synthetic products, paper is advisable.To giving the base cloth that coating is sticked after the paste again, drying, maturation thereafter and peel off release liners after, to ground floor one liquid type polyurethane resin composition with solvent corrosion part resin make expose behind the bead baking-curing get final product the abrasivity reflectorized material.In the temperature range of this oven dry, maturation, and will not limit especially, according to and employed paste, the needs of second layer two-liquid type Polyurethane solid resin combination and deciding.The part resin of corrosion ground floor one liquid type polyurethane resin composition and the solvent of usefulness can be enumerated: acetone.MEK, toluene, dimethylbenzene, diox, oxolane, N-N-methyl-2-2-pyrrolidone N-, dimethyl formamide, dimethylacetylamide, dimethyl sulfoxide (DMSO), ethyl acetate etc.Be advisable to adopt dimethyl formamide, dimethylacetylamide, dimethyl sulfoxide (DMSO), dimethyl formamide, dimethylacetylamide, dimethyl sulfoxide (DMSO) etc. in the present invention.Use this equal solvent any or merge more than two kinds to use and all can.
With the reflecting material with high abrasion resistance that said method makes, its surface can add the transparent transfer printing diaphragm of one layer or more again to promote surface reflection effect and protective effect.Again the coating paste stick base cloth again, drying, maturation and peel off release liners after, uncured before available running roller roll-in reflectorized material surface with ridge design pattern make have the surface detail pattern after, give curing again.
The reflective function of the abrasion performance reflectorized material that makes with said method is the regulation test according to CNS4346 reflecting piece and the 3.2nd reflecting properties test method(s) of reflective tape test method.The Taber method of testing that abrasion resistance is then stipulated according to ASTM D3884, adopt Taber abrasiometer (Model 5130 that U.S. Taber industries company makes), the reflective material that makes is applied the 1kg load, adopt with the H22 emery wheel rotation 1000 of 150mesh and transfer to assessment.
Below describe technology contents of the present invention in detail with embodiment again, but the present invention is limited by this.
Embodiment
With the bead of particle diameter 10-40 μ m (by the Taiwan Merck, should glad limited company buy) with to a liquid type polyurethane resin composition (by prompt forever, the smart limited company of platform buys, wherein used glycol is that molecular weight is that the PEPA of 1500-3000 is the PPG of 2000-3000 accounts for gross weight with weight ratio 3/7-7/3 15-20% to molecular weight, used isocyanates gets through giving reaction for the solvent that is mixed by DMF and/or toluene for mixed all the other 70-80% that account for gross weight of 5-10% that account for gross weight by MDI and IPDI) in Polyurethane sneak at 3: 1 with weight ratio in the liquid type polyurethane resin composition, the release liners that is applied over the tool ridge design in the blade coating mode (can be available from Japanese Asahi roll limited company, U.S. Warren company) on, through 100 ℃ of oven dryings, make into the about 100 μ m of thickness.Dry liquid type polyurethane resin composition coated a liquid type polyurethane resin composition again and give drying thereafter, then being coated with second layer two-liquid type thereon contains behind the Polyurethane solid composition of colouring agent and gives oven dry, after containing the Polyurethane solid composition of colouring agent, this coats paste again, stick polyester fiber adhesive-bonded fabric base (cloth) material then, through giving oven dry, maturation, after divesting release liners, the ground floor dope layer one liquid type PU resin combination that these semi-finished product is had bead with the fusion that divests release liners of a DMF solvent corrosion part, after bead is exposed, again 150 ℃ solidify and reflecting sheet material.
The reflecting sheet material that so makes is being adopted Taber abrasiometer (Model 5130 that U.S. Taber industries company makes), apply the 1kg load, adopt with the H22 emery wheel rotation 1000 of 150mesh and transfer to assessment, discovery does not also have bead and peels off after rotation friction 1000 times on reflecting sheet material.And commercially available reflecting piece promptly has been found the glass peeling phenomenon in 10 commentaries on classics rotations.
According to the abrasion performance reflectorized material that the inventive method makes, because of can the soft fibre material being base cloth, prepared abrasion performance reflectorized material be applicable to commercial use aspects such as clothing, vest, footwear, cap, placards.
Claims (10)
1. the method for making of a reflecting material with high abrasion resistance, on release liners with ridge design, coating has ground floor dope layer one liquid type Polyurethane (PU) resin combination of bead with fusion, then being coated with second layer two-liquid type after the drying contains behind the Polyurethane solid composition of colouring agent and gives oven dry, after containing the Polyurethane solid composition of colouring agent, this coats paste again, stick base (cloth) material then, through giving oven dry, maturation, after divesting release liners, these semi-finished product there is the ground floor dope layer one liquid type PU resin combination of bead with the fusion that divests release liners of a solvent corrosion part, makes bead expose the back and solidify and get.
2. the method for making of reflecting material with high abrasion resistance according to claim 1, it is characterized in that, wherein the material of release liners can be polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), cellulose family paper pulp or its compound, and its surface type can be ridge design or plane.
3. the method for making of reflecting material with high abrasion resistance according to claim 1, it is characterized in that, wherein the bead in ground floor dope layer one liquid type Polyurethane (PU) resin combination of bead is arranged is to adopt particle size at the 10-100 mu m range in fusion, and the consumption of this bead is with the weight ratio to this ground floor dope layer one liquid type PU resin combination gross weight, 1: 4-4: 1 scope.
4. the method for making of reflecting material with high abrasion resistance according to claim 1, it is characterized in that wherein the PU resin in ground floor dope layer one liquid type Polyurethane (PU) resin combination of bead is arranged is to adopt to be made by having polyol component, PIC composition and organic solvent in fusion.
5. the method for making of reflecting material with high abrasion resistance according to claim 4 is characterized in that, wherein polyol component is to adopt to be meant PEPA and PPG by having polyol component, aforementioned PEPA adopts molecular weight 1,000-5,000 scope, be preferably 1,500-3,000; PPG adopts molecular weight 1,000-5, and 000 scope is preferably 2,000-3,000, and PEPA in the scope of polyol component weight at 1/9-9/1, is preferably 3/7-7/3 to the consumption match ratio of PPG.
6. the method for making of reflecting material with high abrasion resistance according to claim 4, it is characterized in that, wherein the PIC composition adopts free toluene two cyanates (TDI), dimethyl alkane two cyanates (MDI), dimethylbenzene two isocyanide esters (XDI), 3 ', the 3-dimethoxy-4 ', the 4-biphenyl diisocyanate, 1, the 5-naphthalene diisocyanate, 1,5-naphthane vulcabond, 2,4-first phenylene vulcabond, 2,6-first phenylene vulcabond, 4,4 '-methyl diphenylene diisocyanate (MDI), 2,4 '-methyl diphenylene diisocyanate, stretch phenyl diisocyanate, stretch in the colony that diphenyl diisocyanate and tetramethyl diphenyl diisocyanate form one or two or more kinds aromatic isocyanate and/or the ester ring type PIC of IPDI (IPDI), its consumption accounts for 5%-10% in the total weight of a liquid type PU resin combination.
7. the method for making of reflecting material with high abrasion resistance according to claim 4, it is characterized in that, wherein organic solvent adopts one or two or more kinds that is selected from the colony that is formed by acetone, MEK, toluene, dimethylbenzene, diox, oxolane, N-N-methyl-2-2-pyrrolidone N-dimethyl formamide, dimethylacetylamide, dimethyl sulfoxide (DMSO) and ethyl acetate, and its consumption accounts for 70%-80% in the total weight of a liquid type PU resin combination.
8. the method for making of reflecting material with high abrasion resistance according to claim 1, it is characterized in that, wherein base (cloth) material refers to polyvinyl chloride (PVC), nylon, polyester, acrylonitrile-butadiene-benzene hole alkene copolymer (ABS), Polyurethane plastics, polyethylene (PE), polypropylene (PP), TPO (TPO), fibre, synthetic products, aluminium, copper, iron, stainless steel metal, paper, timber, middle density wood based panel (MDF), glass, is preferably to adopt paper, fibre, synthetic products.
9. the method for making of reflecting material with high abrasion resistance according to claim 1, it is characterized in that, wherein the solvent of the part resin of corrosion ground floor one liquid type polyurethane resin composition and usefulness free acetone earlier, MEK, toluene, dimethylbenzene diox, oxolane, the N-N-methyl-2-2-pyrrolidone N-, dimethyl formamide, dimethylacetylamide, one or two or more kinds use in the colony that dimethyl sulfoxide (DMSO) and ethyl acetate form is preferably the employing dimethyl formamide, dimethylacetylamide, dimethyl sulfoxide (DMSO), dimethyl formamide, dimethylacetylamide, diethyl sulfoxide.
10. the method for making of reflecting material with high abrasion resistance according to claim 1 is characterized in that, its surface adds the transparent transfer printing diaphragm of one layer or more again to promote surface reflection effect and protective effect.
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| CNB011156325A CN1177686C (en) | 2001-04-28 | 2001-04-28 | Prepn of reflecting material with high abrasion resistance |
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| CNB011156325A CN1177686C (en) | 2001-04-28 | 2001-04-28 | Prepn of reflecting material with high abrasion resistance |
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| CN1383977A CN1383977A (en) | 2002-12-11 |
| CN1177686C true CN1177686C (en) | 2004-12-01 |
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| CN107447702B (en) * | 2017-07-24 | 2019-12-17 | 浙江鼎海科技股份有限公司 | Isolation belt and processing technology thereof |
| CN109056361B (en) * | 2018-07-16 | 2021-02-19 | 东莞市瑞翔新型材料科技有限公司 | Flashing waterproof zipper |
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