CN102991062B - High temperature resistance wrapping paper and high temperature resistance release paper - Google Patents
High temperature resistance wrapping paper and high temperature resistance release paper Download PDFInfo
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- CN102991062B CN102991062B CN201110273182.6A CN201110273182A CN102991062B CN 102991062 B CN102991062 B CN 102991062B CN 201110273182 A CN201110273182 A CN 201110273182A CN 102991062 B CN102991062 B CN 102991062B
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Abstract
The present invention discloses high temperature resistance wrapping paper and high temperature resistance release paper, wherein the high temperature resistance wrapping paper is provided with bottom paper and a plastic layer, the high temperature resistance release paper is provided with bottom paper, a plastic layer and a release agent layer, the plastic layers of the high temperature resistance wrapping paper and the high temperature resistance release paper adopt a polyethylene terephthalate film (PET film) to replace the traditional PE lamination film, and an adhesion layer is added between the PET film and the bottom paper so as to solve the problem of not good high temperature resistance of the traditional PE lamination film, and the problem of not good adhesion between the PET film and the bottom paper.
Description
Technical field
The invention belongs to extrusion coating paper field, relate generally to a kind of resistant to elevated temperatures wrapping paper and the resistant to elevated temperatures release liners of one.
Background technology
Be generally used for the food containers of waterproof leakproof, wrapping paper and the grease proofing paper using of various moistureproof and waterproof (as dixie cup, mess-tin etc.) be PE (polyethylene) leaching membrane paper, as matrix using paper, take special technique, above LDPE (low density polyethylene (LDPE)) plastics are attached to, the extrusion coating paper of formation.But the fusing point of LDPE is lower, will soften to about 90 DEG C at 80 DEG C, thus degraded produces harmful substance.Resistant to elevated temperatures plastics have a lot, such as PET (PETG), PC (Merlon) and PA (nylon) etc., but because the different in kind of often kind of material, its application or production have limitation.
Release liners, also known as silicone oil paper, separate paper, divides according to raw material and has Ge Laxin release liners, polyethylene film release liners (PEK) and kaolin to be coated with release liners three major types.Wherein polyethylene film release liners is because advantages such as its dimensional stabilitys, produces in a large number, and widely use in the industry such as adhesive tape, advertisement in China.Three kinds of release liners respectively have pluses and minuses, thus are applied to different but narrow field, and can not substitute mutually.But their total shortcoming is high temperature resistant poor, at high temperature, paper all can deform, thus is not allowed to the very high industry of dimensional stability requirements at electronics cross cutting etc.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of high temperature resistant wrapping paper and the high temperature resistant release liners of one, which solve the defect of Traditional Packing paper and release liners non-refractory, and structure being simple, easy to implement.
The present invention in order to the technical scheme solving its technical problem and adopt is:
A kind of high temperature resistant wrapping paper, be provided with base stock and plastic layer, described plastic layer is PETG film (PET film), adhesion coating is provided with, the bonding described base stock of described adhesion coating and described PETG film between described base stock and described PETG film.High temperature resistant wrapping paper of the present invention adopts resistant to elevated temperatures PETG film (PET film, ability 250 DEG C of high temperature) substitute conventional P E film, and between PET film and base stock, add adhesion coating, both solve the high temperature resistant bad problem of conventional P E film, solve again the problem that between PET film and base stock, cohesive is bad.
According to application range of products needs, described PETG film (PET film) can establish one deck, and adheres on a surface of described base stock by described adhesion coating, is formed and singly moulds high temperature resistant wrapping paper; Described PETG film (PET film) also can be established two-layer, and adheres on two relative surfaces of described base stock respectively by described adhesion coating, and formation is two moulds high temperature resistant wrapping paper.
Preferably, described adhesion coating is water-based (emulsion) polyolefin-coated layer.Further preferably, described adhesion coating is aqueous polyethylene (PE) coating layer or aqueous polyacrylamide (PP) coating layer.Because the controllability of coating weight, the weight of described adhesion coating does not generally wait (thickness is 0.1 ~ 10 μm) at 0.1 gram to 10 grams every square metre.
Preferably, the thickness of described PETG film (PET film) is 15 ~ 50 μm.
A kind of high temperature resistant release liners, be provided with base stock, plastic layer and parting agent layer, described plastic layer is PETG film (PET film), adhesion coating is provided with between described base stock and described PETG film, the bonding described base stock of described adhesion coating and described PETG film, described parting agent layer is coated on described PETG film.High temperature resistant release liners of the present invention adopts resistant to elevated temperatures PETG film (PET film, ability 250 DEG C of high temperature) substitute conventional P E film, and between PET film and base stock, add adhesion coating, both solve the high temperature resistant bad problem of conventional P E film, solve again the problem that between PET film and base stock, cohesive is bad.
According to application range of products needs, described PETG film (PET film) can establish one deck, and adhere on a surface of described base stock by described adhesion coating, and parting agent layer is coated with on described PETG film (PET film), formed and singly mould high temperature resistant release liners; Described PETG film (PET film) also can be established two-layer, and adhere on two relative surfaces of described base stock respectively by described adhesion coating, and parting agent layer is coated with on one deck or two-layer described PETG film (PET film), formation is two moulds high temperature resistant release liners.
Preferably, described adhesion coating is water-based (emulsion) polyolefin-coated layer.Further preferably, described adhesion coating is aqueous polyethylene (PE) coating layer or aqueous polyacrylamide (PP) coating layer.Because the controllability of coating weight, the weight of described adhesion coating does not generally wait (thickness is 0.1 ~ 10 μm) at 0.1 gram to 10 grams every square metre.
Preferably, the thickness of described PETG film (PET film) is 15 ~ 50 μm.
The invention has the beneficial effects as follows: the plastic layer of high temperature resistant wrapping paper of the present invention and high temperature resistant release liners all adopts PETG film (PET film, ability 250 DEG C of high temperature) substitute conventional P E film, and between PET film and base stock, add adhesion coating, both solve the high temperature resistant bad problem of conventional P E film, solve again the problem that between PET film and base stock, cohesive is bad.
Accompanying drawing explanation
Fig. 1 is high temperature resistant wrapping paper structural representation of the present invention (singly to mould high temperature resistant wrapping paper);
Fig. 2 is high temperature resistant release liners structural representation of the present invention (moulding high temperature resistant release liners for two).
Detailed description of the invention
Embodiment 1: a kind of high temperature resistant wrapping paper A, be provided with base stock A1 and plastic layer, described plastic layer is PETG film (PET film) A2, adhesion coating A3 is provided with, the bonding described base stock of described adhesion coating and described PETG film between described base stock and described PETG film.High temperature resistant wrapping paper of the present invention adopts resistant to elevated temperatures PETG film (PET film, ability 250 DEG C of high temperature) substitute conventional P E film, and between PET film and base stock, add adhesion coating, both solve the high temperature resistant bad problem of conventional P E film, solve again the problem that between PET film and base stock, cohesive is bad.
According to application range of products needs, described PETG film (PET film) can establish one deck, and adheres on a surface of described base stock by described adhesion coating, is formed and singly moulds high temperature resistant wrapping paper, as shown in Figure 1; Described PETG film (PET film) also can be established two-layer, and adheres on two relative surfaces of described base stock respectively by described adhesion coating, and formation is two moulds high temperature resistant wrapping paper.
Preferably, described adhesion coating is water-based (emulsion) polyolefin-coated layer.Further preferably, described adhesion coating is aqueous polyethylene (PE) coating layer or aqueous polyacrylamide (PP) coating layer.Because the controllability of coating weight, the weight of described adhesion coating does not generally wait (thickness is 0.1 ~ 10 μm) at 0.1 gram to 10 grams every square metre.
Preferably, the thickness of described PETG film (PET film) is 15 ~ 50 μm.
Described base stock can be brown paper, cultural paper or art paper etc.
High temperature wrapping paper of the present invention can be obtained by following method: the one side such as brown paper, cultural paper or art paper adopts the method being coated with fabric aqueous (emulsion) polyolefin (polyethylene or polypropylene), then compound extruded level PET film, then through oven for drying moisture, high temperature resistant wrapping paper is made.
High temperature resistant wrapping paper of the present invention can be widely used in the ground of office's paper, high temperature food packaging, high temperature food container and the release liners as other various high-temp glue, advertisement adhesive sticker industry, or increase ink layer realizes printing functionality thereon.
Embodiment 2: a kind of high temperature resistant release liners B, be provided with base stock B1, plastic layer and parting agent layer B4, described plastic layer is PETG film (PET film) B2, adhesion coating B3 is provided with between described base stock and described PETG film, the bonding described base stock of described adhesion coating and described PETG film, described parting agent layer is coated on described PETG film.High temperature resistant release liners of the present invention adopts resistant to elevated temperatures PETG film (PET film, ability 250 DEG C of high temperature) substitute conventional P E film, and between PET film and base stock, add adhesion coating, both solve the high temperature resistant bad problem of conventional P E film, solve again the problem that between PET film and base stock, cohesive is bad.
According to application range of products needs, described PETG film (PET film) can establish one deck, and adhere on a surface of described base stock by described adhesion coating, and parting agent layer is coated with on described PETG film (PET film), formed and singly mould high temperature resistant release liners; Described PETG film (PET film) also can be established two-layer, and adhere on two relative surfaces of described base stock respectively by described adhesion coating, and parting agent layer is coated with on one deck or two-layer described PETG film (PET film), formation is two moulds high temperature resistant release liners, as shown in Figure 2.
Preferably, described adhesion coating is water-based (emulsion) polyolefin-coated layer.Further preferably, described adhesion coating is aqueous polyethylene (PE) coating layer or aqueous polyacrylamide (PP) coating layer.Because the controllability of coating weight, the weight of described adhesion coating does not generally wait (thickness is 0.1 ~ 10 μm) at 0.1 gram to 10 grams every square metre.
Preferably, the thickness of described PETG film (PET film) is 15 ~ 50 μm.
Described base stock can be brown paper, cultural paper or art paper etc.
High temperature resistant release liners of the present invention can be obtained by following method: brown paper, cultural paper or art paper etc., one side adopts the method being coated with fabric aqueous (emulsion) polyolefin (polyethylene or polypropylene), or two sides all adopts the method being coated with fabric aqueous (emulsion) polyolefin (polyethylene or polypropylene), compound PET film, then moisture is dried, coat mould release on a pet film again, make high temperature resistant release liners.
The high temperature resistant release liners of the present invention's invention can be widely used in label, industrial gummed tape, medical proof fabric, industrial adhesive sticker and other various antiseized or obstruct paper using.
Above-mentioned description and embodiment are only exemplary illustration principle of the present invention and effect thereof, are not limitations of the present invention, and any creation fallen within the scope of the claims in the present invention all belongs to the scope that the present invention protects.
Claims (2)
1. a high temperature resistant wrapping paper (A), be provided with base stock (A1) and plastic layer, it is characterized in that: described plastic layer is PETG film (A2), adhesion coating (A3) is provided with between described base stock and described PETG film, the bonding described base stock of described adhesion coating and described PETG film, described adhesion coating is the one in aqueous polyethylene coating layer and aqueous polyacrylamide coating layer, the thickness of described adhesion coating is 0.1 ~ 10 μm, the thickness of described PETG film is 15 ~ 50 μm.
2. a high temperature resistant release liners (B), be provided with base stock (B1), plastic layer and parting agent layer (B4), it is characterized in that: described plastic layer is PETG film (B2), adhesion coating (B3) is provided with between described base stock and described PETG film, the bonding described base stock of described adhesion coating and described PETG film, described parting agent layer is coated on described PETG film, described adhesion coating is the one in aqueous polyethylene coating layer and aqueous polyacrylamide coating layer, the thickness of described adhesion coating is 0.1 ~ 10 μm, the thickness of described PETG film is 15 ~ 50 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110273182.6A CN102991062B (en) | 2011-09-15 | 2011-09-15 | High temperature resistance wrapping paper and high temperature resistance release paper |
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| CN201110273182.6A CN102991062B (en) | 2011-09-15 | 2011-09-15 | High temperature resistance wrapping paper and high temperature resistance release paper |
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| CN102991062A CN102991062A (en) | 2013-03-27 |
| CN102991062B true CN102991062B (en) | 2014-12-17 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104988795A (en) * | 2015-06-15 | 2015-10-21 | 东莞市尚鑫纸业有限公司 | Crush resisting non-bright release paper and production technology thereof |
| CN105696418A (en) * | 2015-09-18 | 2016-06-22 | 安庆市芊芊纸业有限公司 | High-temperature-resistant LDPE laminating paper and laminating process thereof |
| CN105666975A (en) * | 2016-01-14 | 2016-06-15 | 广州市鸿鹄胶粘材料科技有限公司 | Silicon-free release paper applied to polyimide reinforcing plate and preparation method thereof |
| CN108660854B (en) * | 2018-05-03 | 2021-04-02 | 东莞运城制版有限公司 | Release paper embossing plate and manufacturing method thereof |
| CN110281688B (en) * | 2019-06-29 | 2021-05-28 | 浙江索凡胶粘制品有限公司 | Processing method of cloth flame-retardant decorative sticker |
| CN110904733B (en) * | 2019-12-04 | 2022-03-01 | 江苏双冠新材料科技有限公司 | Preparation method of matte PET release paper |
| WO2023132312A1 (en) * | 2022-01-07 | 2023-07-13 | 住友ベークライト株式会社 | Mold release film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3020092U (en) * | 1995-06-30 | 1996-01-19 | 禎美 伊藤 | Laminated flat plate materials and cake cups for the production of cake cups that have been treated to prevent oil penetration |
| US20030129431A1 (en) * | 1998-10-23 | 2003-07-10 | Michael R. Nowak | Composite wrap material |
| CN201140561Y (en) * | 2007-12-18 | 2008-10-29 | 张丽平 | PET silicone oil thin film applying type release paper |
| CN101935501B (en) * | 2009-10-15 | 2012-11-28 | 上海紫丹印务有限公司 | Method for manufacturing high-resistance paper packaging material |
| CN201800292U (en) * | 2010-09-26 | 2011-04-20 | 丘国慈 | Composite cardboard used for packing and decoration |
| CN202219623U (en) * | 2011-09-15 | 2012-05-16 | 昆山福泰涂布科技有限公司 | High temperature resistant packaging paper and high temperature resistant release paper |
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Address after: Suzhou City, Jiangsu province 215312 Kunshan City Shipai town rise Light Road No. 806 Patentee after: Jiangsu Futai coating Polytron Technologies Inc Address before: Suzhou City, Jiangsu province 215312 Kunshan City Shipai town on the west side of the road or light Patentee before: Formula (Kunshan) Coating Technology Co.,Ltd. |