CN101725055A - Aquosity foaming synthetic leather with knurling shrunken patterns - Google Patents
Aquosity foaming synthetic leather with knurling shrunken patterns Download PDFInfo
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- CN101725055A CN101725055A CN200910212606A CN200910212606A CN101725055A CN 101725055 A CN101725055 A CN 101725055A CN 200910212606 A CN200910212606 A CN 200910212606A CN 200910212606 A CN200910212606 A CN 200910212606A CN 101725055 A CN101725055 A CN 101725055A
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Abstract
The invention discloses an aquosity foaming synthetic leather with knurling shrunken patterns, comprising a base fabric layer (1), a polyurethane foaming layer (2) coated on the base fabric layer (1), an aquosity polyurethane bonding layer (3) coated on the polyurethane foaming layer (2), an aquosity foaming resin layer (4) coated on the aquosity polyurethane bonding layer (3) and a modified polyurethane resin layer (5) coated on the aquosity foaming resin layer (4). In the synthetic leather provided, the aquosity foaming resin layer has strong concave-convex three-dimensional sense after rear-segment foaming treatment at a high temperature of 170 DEG C; the combination of the foaming layer, the shrinkage layer and the knurling processing have unique three-dimensional sense effect; besides, the modified polyurethane can shrink to form different patterns according to different release paper patterns as a result of the polarity difference between the modified polyurethane resin coated on the aquosity foaming resin layer and the aquosity foaming resin layer combined for use, thereby the invention has favorable shrinkage effect, unique patterns and strong visual aesthetics.
Description
Technical field
The present invention relates to a kind of PU synthetic leather, be specifically related to a kind of contracted pattern that has, have the synthetic leather of strong stereoscopic visual effect.
Background technology
At present, the synthetic leather product becomes following popular trend gradually, and synthetic leather has been widely used in products such as producing case and bag, clothes, footwear.The base fabric of PU leather is the good canvas PU material of tensile strength, except can being coated in base fabric top, in the middle of base fabric can also being included in, make it outward appearance and can't see the existence of base fabric, it is good that the PU leather has physical property, anti-complications, pliability is good, tensile strength is big, have gas permeability, so the PU leather is widely used in the lining of footwear or the position that case and bag bear weight.In order to make synthetic leather can satisfy the demand of people to break and pattern, often to carry out the embossing treatment process to synthetic leather, make the leather surface of synthetic leather have concavo-convex three-dimensional pattern.In the prior art, synthetic leather is carried out the embossing processing have a lot of technical difficulties, the pattern poor visual effect that obtains is handled in embossing, and embossed technology needs equipment many, and cost is higher, and it is shorter to handle the pattern retention time that obtains through stamp simultaneously, fugitive color does not satisfy people to high-level requirement.
Summary of the invention
Goal of the invention: technical problem to be solved by this invention is to overcome the deficiencies in the prior art, and a kind of tangible contracted pattern that has is provided, and has the synthetic leather of strong stereoscopic visual effect.
Technical scheme: for solving above technical problem, the present invention takes following technical scheme:
A kind of aquosity foaming synthetic leather with knurling shrunken patterns, it comprises base cloth layer, be coated in polyurethane foam layer on the described base cloth layer, be coated in aqueous polyurethane tack coat on the polyurethane foam layer, be coated in the aqueous foaming resin bed on the aqueous polyurethane tack coat and be coated in modified polyurethane resin on the aqueous foaming resin bed.
Wherein above-described base cloth layer can adopt the elastic force base cloth to make, and has good mechanical shrinkage.
Aquosity foaming synthetic leather with knurling shrunken patterns provided by the invention, wherein said modified polyurethane are organic silicon modified polyurethane, acrylic acid modified polyurethane, epoxy modified polyurethane or watersoluble modified polyurethane.
Aquosity foaming synthetic leather with knurling shrunken patterns provided by the invention, wherein said aqueous foaming resin is organic mixture of phenolic foam resin, expansion type polyurethane or foaming body and polyurethane and wax solution, these Foamexes can be the high temperature foamexes of water-based, also can adopt water-based low-temp foaming resin, foaming layer has good covering effect, soft, has high temperature resistance preferably after the foaming, resin is volumetric expansion at high temperature, form the velvet-like coating of one deck, be widely used in the moccasin leather.The foaming layer that Foamex forms, the foam hole is even, fine and smooth, has good heat resistance, and low temperature contractibility is little, and is fire-retardant, insulation, safety, environmental protection, advantage such as energy-conservation.
Aquosity foaming synthetic leather with knurling shrunken patterns provided by the invention, after the leading portion processing, after process back segment embossing and 170 ℃ of high temperature foaming layers were handled through embossing again, each face presented the various lines of embossing plate, and whole structure is good;
Aquosity foaming synthetic leather with knurling shrunken patterns provided by the invention, after 170 ℃ of high temperature foaming of aqueous foaming resin bed process back segment are handled, has strong concavo-convex third dimension, the combination that foaming layer, shrinkage layer and embossing are handled, have more third dimension, the effect uniqueness;
Aquosity foaming synthetic leather with knurling shrunken patterns provided by the invention, wherein be coated in the modified polyurethane resin on the aqueous foaming resin bed, because the two polarity difference, be used in combination, modified polyurethane can shrink different decorative patterns according to different release liners lines respectively, can produce good contractive effect, the decorative pattern uniqueness has strong visual sense of beauty.
Beneficial effect: the aquosity foaming synthetic leather with knurling shrunken patterns provided by the invention is compared with prior art has following advantage:
1, the aquosity foaming synthetic leather with knurling shrunken patterns provided by the invention, adopt aqueous foaming resins foamed resin layer, these Foamexes can be the high temperature foamexes of water-based, foamed resin layer has good covering effect, soft, has high temperature resistance preferably after the foaming, resin is volumetric expansion at high temperature, forms the velvet-like coating of one deck, the foaming layer that Foamex forms, the foam hole is even, fine and smooth, have good heat resistance, low temperature contractibility is little, and is fire-retardant, insulation, safety, environmental protection, advantage such as energy-conservation.
2, the aquosity foaming synthetic leather with knurling shrunken patterns provided by the invention, after 170 ℃ of high temperature foaming of aqueous foaming resin bed process back segment are handled, has strong concavo-convex third dimension, the combination that foaming layer, shrinkage layer and embossing are handled, have more third dimension, the effect uniqueness.
3, the aquosity foaming synthetic leather with knurling shrunken patterns provided by the invention, wherein be coated in the modified polyurethane resin on the aqueous foaming resin bed, because the two polarity difference, be used in combination, modified polyurethane can shrink different decorative patterns according to different release liners lines respectively, can produce good contractive effect, the decorative pattern uniqueness has strong visual sense of beauty.
4, the aquosity foaming synthetic leather with knurling shrunken patterns provided by the invention synthetic leather that is a kind of environment-friendly type shows through experimental study, and bonding firmly between each layer of synthetic leather, coating has advantages such as anti-solvent, cold-resistant, hydrolysis, heat-proof aging; The synthetic leather finished product has good hand feeling, and strong kishke feel is arranged, quality exquisiteness, advantages such as good permeability; Synthetic leather and have resultant effects such as good feel, smooth degree, waterproof, wax sense.
Description of drawings
Fig. 1 is first kind of structural representation of the present invention.
Fig. 2 is second kind of structural representation of the present invention.
Fig. 3 is the third structural representation of the present invention.
The specific embodiment
Below in conjunction with specific embodiment, further illustrate the present invention, should understand these embodiment only is used to the present invention is described and is not used in and limit the scope of the invention, after having read the present invention, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present invention.
As shown in Figure 1, a kind of aquosity foaming synthetic leather with knurling shrunken patterns, it comprises base cloth layer 1, be coated in polyurethane foam layer 2 on the described base cloth layer 1, be coated in aqueous polyurethane tack coat 3 on the polyurethane foam layer 2, be coated in the aqueous foaming resin bed 4 on the aqueous polyurethane tack coat 3 and be coated in organic silicon modified polyurethane 5 on the aqueous foaming resin bed 4.
Above synthetic leather after 170 ℃ of high temperature foaming of aqueous foaming resin bed process back segment are handled, has strong concavo-convex third dimension, and the combination that foaming layer, shrinkage layer and embossing are handled has more third dimension, the effect uniqueness.Wherein be coated in the organic silicon modified polyurethane resin on the aqueous foaming resin bed, because the two polarity difference is used in combination, modified polyurethane can shrink different decorative patterns according to different release liners lines respectively, can produce good contractive effect, the decorative pattern uniqueness has strong visual sense of beauty.
As shown in Figure 2, a kind of aquosity foaming synthetic leather with knurling shrunken patterns, it comprises base cloth layer 1, be coated in polyurethane foam layer 2 on the described base cloth layer 1, be coated in aqueous polyurethane tack coat 3 on the polyurethane foam layer 2, be coated in the aqueous foaming resin bed 4 on the aqueous polyurethane tack coat 3 and be coated in acrylic acid modified polyurethane 5 on the aqueous foaming resin bed 4.
As shown in Figure 3, a kind of aquosity foaming synthetic leather with knurling shrunken patterns, it comprises base cloth layer 1, be coated in polyurethane foam layer 2 on the described base cloth layer 1, be coated in aqueous polyurethane tack coat 3 on the polyurethane foam layer 2, be coated in the aqueous foaming resin bed 4 on the aqueous polyurethane tack coat 3 and be coated in watersoluble modified polyurethane 5 on the aqueous foaming resin bed 4.The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. aquosity foaming synthetic leather with knurling shrunken patterns, it is characterized in that it comprises base cloth layer (1), be coated in polyurethane foam layer (2) on the described base cloth layer (1), be coated in aqueous polyurethane tack coat (3) on the polyurethane foam layer (2), be coated in the aqueous foaming resin bed (4) on the aqueous polyurethane tack coat (3) and be coated in modified polyurethane resin (5) on the aqueous foaming resin bed (4).
2. the aquosity foaming synthetic leather with knurling shrunken patterns according to claim 1, it is characterized in that described modified polyurethane resin (5) is organic silicon modified polyurethane resin, acrylic acid modified polyurethane resin, epoxy modified polyurethane resin or watersoluble modified polyurethane resin.
3. the aquosity foaming synthetic leather with knurling shrunken patterns according to claim 1 is characterized in that, described aqueous foaming resin is phenolic foam resin or expansion type polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910212606A CN101725055A (en) | 2009-11-12 | 2009-11-12 | Aquosity foaming synthetic leather with knurling shrunken patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910212606A CN101725055A (en) | 2009-11-12 | 2009-11-12 | Aquosity foaming synthetic leather with knurling shrunken patterns |
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| Publication Number | Publication Date |
|---|---|
| CN101725055A true CN101725055A (en) | 2010-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910212606A Pending CN101725055A (en) | 2009-11-12 | 2009-11-12 | Aquosity foaming synthetic leather with knurling shrunken patterns |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115726197A (en) * | 2022-12-16 | 2023-03-03 | 安徽安利材料科技股份有限公司 | Velvet soft silicon-based polyurethane synthetic leather and preparation method thereof |
-
2009
- 2009-11-12 CN CN200910212606A patent/CN101725055A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115726197A (en) * | 2022-12-16 | 2023-03-03 | 安徽安利材料科技股份有限公司 | Velvet soft silicon-based polyurethane synthetic leather and preparation method thereof |
| CN115726197B (en) * | 2022-12-16 | 2024-01-05 | 安徽安利材料科技股份有限公司 | Soft silicon-based polyurethane synthetic leather with velvet feeling and preparation method thereof |
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Open date: 20100609 |