CN104975536A - Low density and soft release paper - Google Patents
Low density and soft release paper Download PDFInfo
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- CN104975536A CN104975536A CN201510311404.7A CN201510311404A CN104975536A CN 104975536 A CN104975536 A CN 104975536A CN 201510311404 A CN201510311404 A CN 201510311404A CN 104975536 A CN104975536 A CN 104975536A
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Abstract
The invention discloses a low density and soft release paper. Non-woven fabric is used as a raw material for preparing a raw paper layer; and the raw paper layer is successively provided with a lamination layer, a release agent layer and a silicone oil layer. The lamination layer is composed of the following raw materials by weight: 30-40 parts of a polypropylene coating material, 30-40 parts of high-pressure polyethylene, 10-20 parts of high-fluidity polyamide, 2-3 parts of a lubricant, and 1-6 parts of a matte additive. The release paper prepared by the invention is soft, and does not produce crease after bending, is more practical, lighter in texture, and easy to carry and make large advertisement format.
Description
Technical field
The present invention relates to a kind of release liners, specifically low the and release liners of softness of a kind of density.
Background technology
Release liners is widely used and multiple field, especially at advertisement field, usually adopt large-area breadth, in use, need to consider weight, the eventful employing paper of original paper layer of existing release liners, while making overall total amount large, insufficient strength, not easily transports, and easily produce folding line, affect advertising results.
Summary of the invention
The object of the present invention is to provide a kind of density low and the release liners of softness, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
Low and the release liners of softness of a kind of density, be that raw material makes original paper layer with nonwoven fabric, and original paper layer is provided with leaching membrane layer, parting agent layer and silicon layer successively, described leaching membrane layer is made up of the raw material of following weight portion: polypropylene coating material 30-40 part, polyethylene from high pressure process 30-40 part, high-fluidity polyamide 10-20 part, lubricant 2-3 part, cloudy surface additive 1-6 part.
As the further scheme of the present invention: described leaching membrane layer is made up of the raw material of following weight portion: polypropylene coating material 35 parts, polyethylene from high pressure process 35 parts, high-fluidity polyamide 15 parts, lubricant 1.5 parts, cloudy surface additive 3.5 parts.
As the further scheme of the present invention: described density is low and the concrete making step of the release liners of softness is as follows:
(1) high-temperature steam is sprayed to nonwoven fabric moistening, then spray elastic caoutchouc raw material, and use roller Asia flat, make nonwoven fabric fully coated by elastic caoutchouc, every square meter sprays the elastic caoutchouc of 50 grams, thus protection nonwoven fabric, improve the tensile strength of original paper layer, and do not gain in weight;
(2) leaching membrane layer of film on original paper layer, thickness is 20-30 μm;
(3) smear parting agent layer, the thickness of parting agent layer is 0.1-10 μm, and uses ultraviolet curing.
(4) in parting agent layer, silicon layer is smeared.
As the further scheme of the present invention: the preparation method of leaching membrane layer is: polypropylene coating material, polyethylene from high pressure process, high-fluidity polyamide, lubricant and cloudy surface additive raw material are joined in toluene solvant, high-speed stirred 20-30 minute, raw material is sufficiently solubilized, then utilizes film machine at the uniform velocity film on original paper layer.
As the further scheme of the present invention: parting agent layer is made up of the raw material of following weight portion: organosilicon 30-40 part, catalyst 4-6 part, organic solvent 80-90 part, silane coupler 8-10 part, filler 8-10 part of hazing, polyurethane binder 4-6 part, melmac 3-5 part.
Compared with prior art, the invention has the beneficial effects as follows: the release liners quality that the present invention obtains is soft, and can not produce folding line after bending, more practical, quality of the present invention is light simultaneously, is easy to carry and makes large area advertisement breadth.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, low and the release liners of softness of a kind of density, be that raw material makes original paper layer with nonwoven fabric, and original paper layer is provided with leaching membrane layer, parting agent layer and silicon layer successively, described leaching membrane layer is made up of the raw material of following weight portion: polypropylene coating material 30 parts, polyethylene from high pressure process 30 parts, high-fluidity polyamide 10 parts, lubricant 2 parts, cloudy surface additive 1 part.
Described density is low and the concrete making step of the release liners of softness is as follows:
(1) high-temperature steam is sprayed to nonwoven fabric moistening, then spray elastic caoutchouc raw material, and use roller Asia flat, make nonwoven fabric fully coated by elastic caoutchouc, every square meter sprays the elastic caoutchouc of 50 grams, thus protection nonwoven fabric, improve the tensile strength of original paper layer, and do not gain in weight;
(2) leaching membrane layer of film on original paper layer, polypropylene coating material, polyethylene from high pressure process, high-fluidity polyamide, lubricant and cloudy surface additive raw material are joined in toluene solvant, high-speed stirred 20 minutes, raw material is sufficiently solubilized, then film machine at the uniform velocity film on original paper layer is utilized, the leaching membrane layer of 20 μm of system;
(3) parting agent layer is smeared, the thickness of parting agent layer is 0.1 μm, and with ultraviolet curing, parting agent layer is made up of the raw material of following weight portion: organosilicon 30 parts, catalyst 4 parts, organic solvent 80 parts, silane coupler 8 parts, the filler 8 parts that hazes, polyurethane binder 4 parts, melmac 3 parts.
(4) in parting agent layer, silicon layer is smeared.
Embodiment 2
Low and the release liners of softness of a kind of density, be that raw material makes original paper layer with nonwoven fabric, and original paper layer is provided with leaching membrane layer, parting agent layer and silicon layer successively, described leaching membrane layer is made up of the raw material of following weight portion: polypropylene coating material 35 parts, polyethylene from high pressure process 35 parts, high-fluidity polyamide 15 parts, lubricant 1.5 parts, cloudy surface additive 3.5 parts.
Described density is low and the concrete making step of the release liners of softness is as follows:
(1) high-temperature steam is sprayed to nonwoven fabric moistening, then spray elastic caoutchouc raw material, and use roller Asia flat, make nonwoven fabric fully coated by elastic caoutchouc, every square meter sprays the elastic caoutchouc of 50 grams, thus protection nonwoven fabric, improve the tensile strength of original paper layer, and do not gain in weight;
(2) leaching membrane layer of film on original paper layer, polypropylene coating material, polyethylene from high pressure process, high-fluidity polyamide, lubricant and cloudy surface additive raw material are joined in toluene solvant, high-speed stirred 25 minutes, raw material is sufficiently solubilized, then film machine at the uniform velocity film on original paper layer is utilized, the leaching membrane layer of 25 μm of system;
(3) parting agent layer is smeared, the thickness of parting agent layer is 4.6 μm, and with ultraviolet curing, parting agent layer is made up of the raw material of following weight portion: organosilicon 35 parts, catalyst 5 parts, organic solvent 85 parts, silane coupler 9 parts, the filler 9 parts that hazes, polyurethane binder 5 parts, melmac 4 parts.
(4) in parting agent layer, silicon layer is smeared.
Embodiment 3
Low and the release liners of softness of a kind of density, be that raw material makes original paper layer with nonwoven fabric, and original paper layer is provided with leaching membrane layer, parting agent layer and silicon layer successively, described leaching membrane layer is made up of the raw material of following weight portion: polypropylene coating material 40 parts, polyethylene from high pressure process 40 parts, high-fluidity polyamide 20 parts, lubricant 3 parts, cloudy surface additive 6 parts.
Described density is low and the concrete making step of the release liners of softness is as follows:
(1) high-temperature steam is sprayed to nonwoven fabric moistening, then spray elastic caoutchouc raw material, and use roller Asia flat, make nonwoven fabric fully coated by elastic caoutchouc, every square meter sprays the elastic caoutchouc of 50 grams, thus protection nonwoven fabric, improve the tensile strength of original paper layer, and do not gain in weight;
(2) leaching membrane layer of film on original paper layer, polypropylene coating material, polyethylene from high pressure process, high-fluidity polyamide, lubricant and cloudy surface additive raw material are joined in toluene solvant, high-speed stirred 30 minutes, raw material is sufficiently solubilized, then film machine at the uniform velocity film on original paper layer is utilized, the leaching membrane layer of 30 μm of system;
(3) parting agent layer is smeared, the thickness of parting agent layer is 10 μm, and with ultraviolet curing, parting agent layer is made up of the raw material of following weight portion: organosilicon 40 parts, catalyst 6 parts, organic solvent 90 parts, silane coupler 10 parts, the filler 10 parts that hazes, polyurethane binder 6 parts, melmac 5 parts.
(4) in parting agent layer, silicon layer is smeared.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (5)
1. the low and release liners of softness of a density, it is characterized in that, be that raw material makes original paper layer with nonwoven fabric, and original paper layer is provided with leaching membrane layer, parting agent layer and silicon layer successively, described leaching membrane layer is made up of the raw material of following weight portion: polypropylene coating material 30-40 part, polyethylene from high pressure process 30-40 part, high-fluidity polyamide 10-20 part, lubricant 2-3 part, cloudy surface additive 1-6 part.
2. the low and release liners of softness of a kind of density according to claim 1, it is characterized in that, described leaching membrane layer is made up of the raw material of following weight portion: polypropylene coating material 35 parts, polyethylene from high pressure process 35 parts, high-fluidity polyamide 15 parts, lubricant 1.5 parts, cloudy surface additive 3.5 parts.
3. the low and release liners of softness of a kind of density according to claim 1, it is characterized in that, described density is low and the concrete making step of the release liners of softness is as follows:
(1) high-temperature steam is sprayed to nonwoven fabric moistening, then spray elastic caoutchouc raw material, and use roller Asia flat, make nonwoven fabric fully coated by elastic caoutchouc, every square meter sprays the elastic caoutchouc of 50 grams, thus protection nonwoven fabric, improve the tensile strength of original paper layer, and do not gain in weight;
(2) leaching membrane layer of film on original paper layer, thickness is 20-30 μm;
(3) smear parting agent layer, the thickness of parting agent layer is 0.1-10 μm, and uses ultraviolet curing.
(4) in parting agent layer, silicon layer is smeared.
4. the low and release liners of softness of a kind of density according to claim 1, it is characterized in that, the preparation method of leaching membrane layer is: join in toluene solvant by polypropylene coating material, polyethylene from high pressure process, high-fluidity polyamide, lubricant and cloudy surface additive raw material, high-speed stirred 20-30 minute, raw material is sufficiently solubilized, then utilizes film machine at the uniform velocity film on original paper layer.
5. the low and release liners of softness of a kind of density according to claim 1, it is characterized in that, parting agent layer is made up of the raw material of following weight portion: organosilicon 30-40 part, catalyst 4-6 part, organic solvent 80-90 part, silane coupler 8-10 part, filler 8-10 part of hazing, polyurethane binder 4-6 part, melmac 3-5 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311404.7A CN104975536A (en) | 2015-06-09 | 2015-06-09 | Low density and soft release paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311404.7A CN104975536A (en) | 2015-06-09 | 2015-06-09 | Low density and soft release paper |
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| CN104975536A true CN104975536A (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510311404.7A Pending CN104975536A (en) | 2015-06-09 | 2015-06-09 | Low density and soft release paper |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610236A (en) * | 2018-12-27 | 2019-04-12 | 浙江博力莫新材料科技有限公司 | A kind of release paper and preparation method thereof for the production of PU artificial leather |
| CN109853295A (en) * | 2018-12-27 | 2019-06-07 | 浙江博力莫新材料科技有限公司 | A kind of release paper of Anti-curling and preparation method thereof |
| CN110644245A (en) * | 2019-09-12 | 2020-01-03 | 山东恒鹏卫生用品有限公司 | Release non-woven fabric |
Citations (7)
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| US3946135A (en) * | 1974-11-07 | 1976-03-23 | Scott Paper Company | Release coating composition and release papers prepared therefrom |
| CN102330381A (en) * | 2011-07-12 | 2012-01-25 | 苏州斯迪克电子胶粘材料有限公司 | Method for making fog face release paper |
| CN102350846A (en) * | 2011-07-12 | 2012-02-15 | 苏州斯迪克电子胶粘材料有限公司 | Preparation method of novel cloudy-surface release paper |
| CN102476483A (en) * | 2010-11-27 | 2012-05-30 | 福建恒安集团有限公司 | Release material and preparation method thereof |
| CN102619142A (en) * | 2012-04-13 | 2012-08-01 | 苏州斯迪克新材料科技股份有限公司 | Matte release paper |
| CN202480469U (en) * | 2012-03-14 | 2012-10-10 | 常州市展明纸塑复合材料有限公司 | Single-sided release paper |
| CN104231444A (en) * | 2014-10-14 | 2014-12-24 | 石狮市星港塑胶包装有限公司 | Coating formula for coated non-woven fabric |
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2015
- 2015-06-09 CN CN201510311404.7A patent/CN104975536A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3946135A (en) * | 1974-11-07 | 1976-03-23 | Scott Paper Company | Release coating composition and release papers prepared therefrom |
| CN102476483A (en) * | 2010-11-27 | 2012-05-30 | 福建恒安集团有限公司 | Release material and preparation method thereof |
| CN102330381A (en) * | 2011-07-12 | 2012-01-25 | 苏州斯迪克电子胶粘材料有限公司 | Method for making fog face release paper |
| CN102350846A (en) * | 2011-07-12 | 2012-02-15 | 苏州斯迪克电子胶粘材料有限公司 | Preparation method of novel cloudy-surface release paper |
| CN202480469U (en) * | 2012-03-14 | 2012-10-10 | 常州市展明纸塑复合材料有限公司 | Single-sided release paper |
| CN102619142A (en) * | 2012-04-13 | 2012-08-01 | 苏州斯迪克新材料科技股份有限公司 | Matte release paper |
| CN104231444A (en) * | 2014-10-14 | 2014-12-24 | 石狮市星港塑胶包装有限公司 | Coating formula for coated non-woven fabric |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610236A (en) * | 2018-12-27 | 2019-04-12 | 浙江博力莫新材料科技有限公司 | A kind of release paper and preparation method thereof for the production of PU artificial leather |
| CN109853295A (en) * | 2018-12-27 | 2019-06-07 | 浙江博力莫新材料科技有限公司 | A kind of release paper of Anti-curling and preparation method thereof |
| CN109610236B (en) * | 2018-12-27 | 2021-05-25 | 浙江博力莫新材料科技有限公司 | Release paper for PU artificial leather production and preparation method thereof |
| CN109853295B (en) * | 2018-12-27 | 2021-06-11 | 浙江博力莫新材料科技有限公司 | Anti-curl release paper and preparation method thereof |
| CN110644245A (en) * | 2019-09-12 | 2020-01-03 | 山东恒鹏卫生用品有限公司 | Release non-woven fabric |
| CN110644245B (en) * | 2019-09-12 | 2022-04-22 | 山东恒鹏卫生用品有限公司 | Release non-woven fabric |
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Address after: 523000 the village of new village, new village community, Wanjiang District, Dongguan, Guangdong Applicant after: GUANGDONG SHANGXIN NEW MATERIALS CO., LTD. Address before: 523050 the village of new village, new village community, Wanjiang District, Dongguan, Guangdong Applicant before: SHANGXIN PAPER CO., LTD. |
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Application publication date: 20151014 |