CN204151635U - A kind of leather release liners - Google Patents
A kind of leather release liners Download PDFInfo
- Publication number
- CN204151635U CN204151635U CN201420326740.XU CN201420326740U CN204151635U CN 204151635 U CN204151635 U CN 204151635U CN 201420326740 U CN201420326740 U CN 201420326740U CN 204151635 U CN204151635 U CN 204151635U
- Authority
- CN
- China
- Prior art keywords
- layer
- polyolefin resin
- paper
- release liners
- leaching membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000010985 leather Substances 0.000 title claims abstract description 12
- 238000000465 moulding Methods 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005672 polyolefin resin Polymers 0.000 abstract description 11
- 238000002386 leaching Methods 0.000 abstract description 10
- 239000012528 membrane Substances 0.000 abstract description 10
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract description 6
- 239000000758 substrate Substances 0.000 abstract description 6
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 abstract description 4
- 239000004743 Polypropylene Substances 0.000 abstract description 4
- 229920001155 polypropylene Polymers 0.000 abstract description 4
- 229920000178 Acrylic resin Polymers 0.000 abstract description 3
- 239000004925 Acrylic resin Substances 0.000 abstract description 3
- 238000005469 granulation Methods 0.000 abstract description 3
- 230000003179 granulation Effects 0.000 abstract description 3
- -1 polypropylene Polymers 0.000 abstract description 3
- 229920000915 polyvinyl chloride Polymers 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000002649 leather substitute Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
Landscapes
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The utility model relates to a kind of leather release liners, the lower floor of this paper is release liners original paper layer, middle level is polyolefin resin layer, upper strata is leaching membrane layer, leaching membrane layer is wherein coated on polyolefin resin layer by film after gathering 4-methylpentene and polypropylene mixing granulation, polyolefin resin layer is first by one or more mixing among polyvinyl resin or acrylic resin or Corvic vistanex, then is that 4 ~ 5:1 mixes in mass ratio with polyvinyl alcohol.Adopt the utility model, owing to be added with after polyvinyl alcohol as separation layer in polyolefin resin layer, paper substrate surface uniformity can be improved, strengthen the intensity of paper substrate, improve the number of times of recycling, the bond strength of paper substrate and leaching membrane layer can be improved again, prevent the generation of prestripping phenomenon; And the thermoplasticity of leaching membrane layer material can give paper good decorative pattern embossability, make the decorative pattern that is transferred on leather clear true to nature.
Description
Technical field
The utility model relates to a kind of leather release liners, particularly relates to a kind of leather release liners based on film technique.
Background technology
At present, leather release liners is a kind of special paper kind that prevents adhesion, and is transfer coated indispensable carrier material when producing polyurethane (PU) synthetic leather and polyvinyl chloride (PVC) artificial leather.Generally primarily of base paper, release coating two parts composition.Coating generally has concavo-convex pattern structure, impression decorative pattern thereon can be copied on synthetic leather and give synthetic leather decorative pattern attractive in appearance.But it is uneven to adopt the release liners surface manufactured in this way, cause the decorative pattern that impresses unintelligible above, and reusable number of times is low, can not meet market demands.
Summary of the invention
The purpose of this utility model be to provide can solve surface uneven, stamping is unintelligible, and release layer is easily peeled off, and reuses a kind of leather release liners of the low problem of number of times.
The technical scheme that the utility model is taked is: a kind of leather release liners, and it is characterized in that lower floor is release liners original paper layer, middle level is polyolefin resin layer, and upper strata is leaching membrane layer.
Described leaching membrane layer (called after polyolefin film) is coated on polyolefin resin layer by film by after poly-4-methylpentene and polypropylene mixing granulation.
Described polyolefin resin layer (called after polyalkenylalcohols resin molding) is first by one or more mixing among polyvinyl resin or acrylic resin or Corvic vistanex, then is that 4 ~ 5:1 mixes in mass ratio with polyvinyl alcohol.
Adopt the utility model, owing to be added with after polyvinyl alcohol as separation layer in polyolefin resin layer, paper substrate surface uniformity can be improved, strengthen the intensity of paper substrate, improve the number of times of recycling, the bond strength of paper substrate and leaching membrane layer can be improved again, prevent the generation of prestripping phenomenon; And the thermoplasticity of leaching membrane layer material can give paper good decorative pattern embossability, make the decorative pattern that is transferred on leather clear true to nature.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
In figure, sequence number represents: release liners original paper layer 1, polyolefin resin layer 2 and leaching membrane layer 3.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in further detail.
With reference to Fig. 1, this leather release liners lower floor is release liners original paper layer 1, the polyolefin resin layer 2 in middle level is by being that 4 ~ 5:1 mixes again in mass ratio with polyvinyl alcohol (PVA) after one or more mixing among polyvinyl resin or acrylic resin or Corvic vistanex, and the leaching membrane layer 3 on upper strata is coated on polyolefin resin layer 2 by film extruder by after poly-4-methylpentene (TPX) and polypropylene (PP) mixing granulation.
Claims (1)
1. a leather release liners, it is characterized in that lower floor is release liners original paper layer, middle level is polyalkenylalcohols resin molding, and upper strata is polyolefin film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326740.XU CN204151635U (en) | 2014-06-19 | 2014-06-19 | A kind of leather release liners |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326740.XU CN204151635U (en) | 2014-06-19 | 2014-06-19 | A kind of leather release liners |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204151635U true CN204151635U (en) | 2015-02-11 |
Family
ID=52509766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420326740.XU Expired - Lifetime CN204151635U (en) | 2014-06-19 | 2014-06-19 | A kind of leather release liners |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204151635U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166317A (en) * | 2017-12-22 | 2018-06-15 | 嘉兴百川特种纸业有限公司 | Suitable for the special coating of PVC high temperature decal transfer release papers |
| CN106835846B (en) * | 2017-01-23 | 2019-02-05 | 浙江博力莫新材料科技有限公司 | A kind of release paper |
| CN109483927A (en) * | 2018-11-25 | 2019-03-19 | 东莞市正品五金电子有限公司 | A kind of moisture-proof phone housing manufacture craft |
| CN111449364A (en) * | 2020-03-06 | 2020-07-28 | 科一(福建)超纤有限责任公司 | Production process of integrally-formed PU vamp |
-
2014
- 2014-06-19 CN CN201420326740.XU patent/CN204151635U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835846B (en) * | 2017-01-23 | 2019-02-05 | 浙江博力莫新材料科技有限公司 | A kind of release paper |
| CN108166317A (en) * | 2017-12-22 | 2018-06-15 | 嘉兴百川特种纸业有限公司 | Suitable for the special coating of PVC high temperature decal transfer release papers |
| CN109483927A (en) * | 2018-11-25 | 2019-03-19 | 东莞市正品五金电子有限公司 | A kind of moisture-proof phone housing manufacture craft |
| CN111449364A (en) * | 2020-03-06 | 2020-07-28 | 科一(福建)超纤有限责任公司 | Production process of integrally-formed PU vamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 37, Jinxing Avenue, Longyou Industrial Park, Quzhou City, Zhejiang Province 324400 Patentee after: ZHEJIANG JINCHANG SPECIALTY PAPER Co.,Ltd. Address before: No. 37, Jinxing Avenue, Longyou Industrial Park, Quzhou City, Zhejiang Province 324400 Patentee before: ZHEJIANG JINCHANG PAPER INDUSTRY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150211 |
|
| CX01 | Expiry of patent term |