CN1810864A - Adhesive protecting film - Google Patents
Adhesive protecting film Download PDFInfo
- Publication number
- CN1810864A CN1810864A CN 200610049175 CN200610049175A CN1810864A CN 1810864 A CN1810864 A CN 1810864A CN 200610049175 CN200610049175 CN 200610049175 CN 200610049175 A CN200610049175 A CN 200610049175A CN 1810864 A CN1810864 A CN 1810864A
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- protecting film
- adhesive protecting
- eva
- low density
- film
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Abstract
The adhesive protecting film consists of low density polyethylene 28-34 wt%, linear low density polyethylene 25-26 wt%, EVA 10-38 wt%, polyethylene elastomer4-22 wt%, antistatic agglomerate 3-4 wt% and stabilizing assistant 2-6 wt%. The said materials are mixed, and the mixture is heated and flowed to form the adhesive protecting film, which is further corona treated and printed with ad and other content on it. The adhesive protecting film has high transparency, high elasticity, high flexibility, low density, high heat stability, application temperature of 0-75 deg.c and environment friendship.
Description
[technical field]
The present invention relates to protective membrane, relate in particular to the autohension protective membrane.
[background technology]
Outside little mobile phone shields big car, decorate paint film store and transportation run into the salt fog in acid rain, birds droppings, small insect, microorganism and the seawater in ultraviolet ray, the atmosphere and cause erosion through regular meeting; these products store and transportation in also contaminated easily, scratch, cause scratch; so many household electrical appliance, top-grade furniture, finishing material etc. all need to use protective membrane protection.Protective membrane cover article such as polycarbonate plate, acrylic board, PS plate, PP plate display screen table and, can in storage, transportation and construction process, shield.Protective membrane is divided into two kinds of gluing type protective membrane and three layers of melt coextrusion blow protective membranes.
Gluing type protective membrane be by polyethylene, polypropylene, polyvinyl chloride, ethylene-vinyl acetate copolymer (EVA), they blend or they make basement membrane with all kinds of elastomeric blends, on basement membrane, coat one or more layers tack coat then.The polymer of forming tack coat mainly has polyisobutene; polyacrylic acid and ester class thereof; ethylene-vinyl acetate copolymer; urethane; elastomerics etc.; polyisobutene wherein; polyacrylic acid and ester class thereof; ethylene-vinyl acetate copolymer is mainly used in aluminium-plastic panel; building and ornament materials and antitheft door; this class material all has lower second-order transition temperature and lower molecular weight; therefore after tearing protective membrane often binding resin easily shift and remain on the surface of protected body; and in the production process with an organic solvent; environmental pollution is serious; influence the healthy of workman, have fire safety hidden danger.
Three layers of melt coextrusion blow protective membrane adopt environmental protection technology; almost pollution-free in the whole process of production; can not remain on the protected body after tearing yet; this class protective membrane is divided into high temperature pasting protective film and room temperature pasting protective film; the high temperature pasting protective film can be on being attached to by protection body about 50 ℃; the room temperature pasting protective film can at room temperature be attached to by on the protection body; the adhesive strength of this two classes protective membrane all can change along with the height of temperature; temperature high viscosity more is strong more; very firmly sticking during high temperature; be difficult to tear it down, serious tears at all, has influenced the normal use of protected product; the low more viscosity of temperature is weak more; can occur part even integral body during low temperature and come off, not reach the purpose of protection product, poor stability has become the important factor that hinders the development of autohension protective membrane.
[summary of the invention]
Purpose of the present invention solves the problems of the prior art exactly, proposes a kind of adhesive protecting film, has stability preferably, and the variation that varies with temperature adhesive strength is less, can both normally use between 0 ℃-75 ℃.
For achieving the above object, the present invention proposes a kind of adhesive protecting film, form by weight percentage by following compositions:
New LDPE (film grade): 28%～34%
Linear low density polyethylene: 25%～26%
EVA：10％～38％
Polyethylene elastomer body: 4%～22%
Antistatic master granule: 3%～4%
Stabilizing additive: 2%～6%
Heat behind above-mentioned each set of dispense ratio curtain coating or blowing are formed from mucous membrane, again contents such as corona treatment rear surface print advertisements and product introduction.
As preferably, each composition weight percent is:
New LDPE (film grade): 34%
Linear low density polyethylene: 26%
EVA：10％
Polyethylene elastomer body: 22%
Antistatic master granule: 4%
Stabilizing additive: 4%.
As preferably, each composition weight percent is:
New LDPE (film grade): 28%
Linear low density polyethylene: 25%
EVA：36％
Polyethylene elastomer body: 4%
Antistatic master granule: 3%
Stabilizing additive: 4%.
Beneficial effect of the present invention: the present invention is on the basis that changes original formulation content ratio; increased the polyethylene elastomer body of certain content; make the transparency of protective membrane good, elasticity is higher, flexibility is better, density is lower; also increased stable the helping agent of certain content; make the thermostability height of protective membrane; help extruding at a high speed, very obvious to the low temperature toughening effect of sheet material.A kind of adhesive protecting film of the present invention can be applicable to 0 ℃-75 ℃ temperature variation; stability is high; viscosity is not very high during high temperature; can not cause the situation of tearing, viscosity neither be very low during low temperature, can not cause phenomenon local and that all come off; well protected product; this adhesive protecting film does not contain harmful materials such as Ethylene Dichloride, mibk, toluene, and pollution-free substantially to human body and environment, the present invention has promoted the development of protective membrane industry.
Feature of the present invention and advantage will be elaborated by embodiment.
[embodiment]
Embodiment one:
Each composition weight percent is in the present embodiment adhesive protecting film: new LDPE (film grade): linear low density polyethylene 34%: 26%, EVA:10%, polyethylene elastomer body: antistatic master granule 22%: stabilizing additive 4%: 4%; heat behind above-mentioned each set of dispense ratio curtain coating or blowing are formed from mucous membrane, again contents such as corona treatment rear surface print advertisements and product introduction.The prescription polyethylene elastomer body of this ratio and the content of stabilizing additive are all higher, are applicable to the situation of plate surface temperature between 0 ℃-75 ℃.In the present embodiment for the thermostability that strengthens adhesive protecting film can also be increased to the content of stabilizing additive 5%, perhaps 6%, the content of corresponding minimizing new LDPE (film grade).
New LDPE (film grade) (LDPE) has excellent film-forming properties; linear low density polyethylene (LLDPE) can increase the mechanical properties such as intensity of new LDPE (film grade) (LDPE); be mixed with basement membrane with this two resinoid and can make protective membrane have mechanical property preferably, polyethylene has excellent electric insulation performance, chemical resistance, resistance to low temperature and good processing flowability.
The EVA resin is the multipolymer of ethene, vinyl-acetic ester, can adopt the production method that is similar to the high-pressure process new LDPE (film grade) to make, its performance reveals very big difference with vinyl acetate different table of proportion in macromole, can adapt to multi-purpose requirement respectively, EVA has good snappiness, winter hardiness, elasticity, stress cracking resistance, with many auxiliary agents good consistency is arranged all, have good clinging power and peeling force.
The polyethylene elastomer body is to be the saturated ethene/A olefin copolymer of catalyzer with the metallocene, and outward appearance is transparent elastomer particles, and this multipolymer has bigger degree of crystallinity with in-situ polymerization technology production, good processability, mechanical property ideal, elasticity are very high, snappiness is good, and density is low, odorlessness.
Antistatic master granule adopts the antistatic polyolefine master batch, and is easy to use, and excellent property is applicable to the technologies such as injection moulding, blowing, extrusion molding, hydrostomia of goods such as PP, PE, EVA.Can adopt the true qualities antistatic master granule also can adopt painted antistatic master granule as required among the present invention.Mix after the proportioning antistatic master granule and material resin just passable in proportion by simple agitation.
Plastics are in forming process, storage and use, because the comprehensive action of internal and external factor, the physicals of plastics degenerates gradually, so that last forfeiture use value, adds stabilizing additive and can suppress and slow down the effect of external causes such as light, heat to plastics effectively in polymkeric substance.
Above-mentioned each set of dispense than after the curtain coating of heating, form adhesive protecting film after the corona treatment again.Needing three laminar flows to extend in the technological process is equipped with and three-layer co-extruded blow moulding equipment.Forcing machine mainly is made up of extruding part, transmission mechanism, heating cooling segment, is mainly used in the raw materials melt plasticizing, and barrel transportation section fluting has improved transport efficiency.Adopt the special construction bolt special, improved the plasticizing quality and the plasticizing capacity of forcing machine.Drive unit requires stable drive, speed-regulating range width, and speed governing is convenient, flexible.Adopt cast aluminum heaters.Screen replacing adopts quick replacement manually.Slobbering machine mainly is made up of drive unit and cooling roller.Cooling roller adopts double-deck internal screw runner form, and outer particular design guarantees uniform thermal conducting, the roll surface temperature uniformity.Simultaneously, the cooling roller aisle spare suitably strengthens, and increases internal circulating load, raises labour productivity.The three-decker mesectoderm of this adhesive protecting film, middle level are new LDPE (film grade) (LDPE) and linear low density polyethylene (LLDPE); internal layer is EVA; in prescription, can add a certain amount of colour batch that has; guarantee the ornamental of product, also can in prescription, add a certain amount of uvioresistant additive.Adhesive protecting film of the present invention can be used for the transportation of multiple products such as polycarbonate sunlight board, plastic-aluminum sheet material, plastic-steel sheet material, color steel sheet, glass-ceramic and the protection of construction process.This adhesive protecting film maximum width can be accomplished 2.4 meters, can produce good viscosity under 35 ℃-60 ℃ temperature, and adhesive protecting film can normally be peeled off when temperature reached 75 ℃.Identify through domestic authoritative institution, the horizontal and vertical tensile strength of this product is all more than or equal to 11MPa, thickness less than the horizontal and vertical elongation at break of the product of 0.05mm all more than or equal to 180%, thickness more than or equal to the horizontal and vertical elongation at break of the product of 0.05mm all more than or equal to 200%, anti-bending strength, water resistance, resistance to elevated temperatures, resistance to low temperature, ageing-resistant performance all are better than currently available products, can not occur in the sensing range breaking, delamination or obscission.Really accomplished the good order and condition that high temperature is not sticking, low temperature does not take off.
Embodiment two:
Each composition weight percent is in the present embodiment adhesive protecting film: new LDPE (film grade): linear low density polyethylene 28%: 25%, EVA:36%, polyethylene elastomer body: antistatic master granule 4%: stabilizing additive 3%: 4%; heat behind above-mentioned each set of dispense ratio curtain coating or blowing are formed from mucous membrane, again contents such as corona treatment rear surface print advertisements and product introduction.The prescription of this ratio has reduced the content of polyethylene elastomer body; increased the content of EVA; be applicable to the situation of plate surface temperature between 35 ℃-75 ℃; because use the surface temperature of sheet material higher; so the viscosity to adhesive protecting film requires relatively low; can reduce the content of polyethylene elastomer body, and the content of corresponding other composition of adjusting.Requirement to thermostability is not very high in the present embodiment as in using, and can reduce the content to 2% of stabilizing additive, the content of corresponding increase EVA yet.
Embodiment three:
Each composition weight percent is in the present embodiment adhesive protecting film: new LDPE (film grade): linear low density polyethylene 31%: 25.5%, EVA:23%, polyethylene elastomer body: antistatic master granule 13%: stabilizing additive 3.5%: 4%; heat behind above-mentioned each set of dispense ratio curtain coating or blowing are formed from mucous membrane, again contents such as corona treatment rear surface print advertisements and product introduction.The content of the prescription polyethylene elastomer body of this ratio is between enforcement one and embodiment two; and the corresponding content of regulating other material; be used in the marginal situation that requires to the indexs such as thermal stability of adhesive protecting film; and can suitably regulate the content to 2% or 6% of stabilizing additive as required, regulate the content of EVA simultaneously.
Claims (3)
1. adhesive protecting film is characterized in that: be made up of by weight percentage following compositions:
New LDPE (film grade): 28%～34%
Linear low density polyethylene: 25%～26%
EVA：10％～38％
Polyethylene elastomer body: 4%～22%
Antistatic master granule: 3%～4%
Stabilizing additive: 2%～6%
Heat behind above-mentioned each set of dispense ratio curtain coating or blowing are formed from mucous membrane, again contents such as corona treatment rear surface print advertisements and product introduction.
2. a kind of adhesive protecting film as claimed in claim 1 is characterized in that: each composition weight percent is:
New LDPE (film grade): 34%
Linear low density polyethylene: 26%
EVA：10％
Polyethylene elastomer body: 22%
Antistatic master granule: 4%
Stabilizing additive: 4%.
3. a kind of adhesive protecting film as claimed in claim 1 is characterized in that: each composition weight percent is:
New LDPE (film grade): 28%
Linear low density polyethylene: 25%
EVA：36％
Polyethylene elastomer body: 4%
Antistatic master granule: 3%
Stabilizing additive: 4%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100491757A CN100419006C (en) | 2006-01-19 | 2006-01-19 | Adhesive protecting film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100491757A CN100419006C (en) | 2006-01-19 | 2006-01-19 | Adhesive protecting film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1810864A true CN1810864A (en) | 2006-08-02 |
| CN100419006C CN100419006C (en) | 2008-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100491757A Expired - Fee Related CN100419006C (en) | 2006-01-19 | 2006-01-19 | Adhesive protecting film |
Country Status (1)
| Country | Link |
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| CN (1) | CN100419006C (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101870786A (en) * | 2010-07-01 | 2010-10-27 | 海宁海欣真空包装有限公司 | High-temperature paint protective film without educts |
| CN101966775A (en) * | 2009-07-28 | 2011-02-09 | 昆山华冠商标印刷有限公司 | Manufacturing method for protective film |
| CN102277102A (en) * | 2011-08-05 | 2011-12-14 | 宁波信泰机械有限公司 | Low-density high-pressure polyethylene protective film containing polyurethane and preparation method thereof |
| CN103374820A (en) * | 2013-07-26 | 2013-10-30 | 浙江鹏远新材料有限公司 | Antiskid woven cloth and preparation method thereof |
| CN103640288A (en) * | 2013-11-30 | 2014-03-19 | 东莞市尼的净化科技有限公司 | Self-adhesive EVA (Ethylene-Vinyl Acetate) protective film and manufacturing process thereof |
| CN103788887A (en) * | 2014-02-18 | 2014-05-14 | 周坤先 | Transparent non-adhesive protective film |
| CN104151711A (en) * | 2014-07-25 | 2014-11-19 | 桐乡市振华新型包装材料有限公司 | Plastic membrane easy to tear |
| CN104277281A (en) * | 2013-08-30 | 2015-01-14 | 江苏华科塑业有限公司 | Crab-culture anti-escape film |
| CN105860200A (en) * | 2016-04-23 | 2016-08-17 | 李富贵 | High-viscosity self-adhesion protective film and preparation method thereof |
| CN106432868A (en) * | 2016-09-19 | 2017-02-22 | 无锡市速达电讯材料有限公司 | Self-adhesive film formula and preparation technology |
| CN109294048A (en) * | 2018-09-26 | 2019-02-01 | 天津泽恒包装制品有限公司 | A kind of formula of high viscous protective film masterbatch |
| CN113136061A (en) * | 2021-03-26 | 2021-07-20 | 广东聚石化学股份有限公司 | Flame-retardant polyethylene material and preparation method and application thereof |
| CN113388335A (en) * | 2021-06-15 | 2021-09-14 | 新乐华宝防护用品有限公司 | Self-adhesive metal plate protective film and preparation method thereof |
| CN114805997A (en) * | 2022-05-12 | 2022-07-29 | 宁波鸿雁包装材料有限公司 | Antistatic packaging film and preparation method thereof |
Families Citing this family (1)
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| CN111405981A (en) | 2017-09-27 | 2020-07-10 | 杜邦泰吉恩胶卷美国有限公司 | Composite polymer film |
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| DE19742805A1 (en) * | 1997-09-27 | 1999-04-01 | Beiersdorf Ag | Self-adhesive protective film with olefin rubber adhesive |
| DE10029489A1 (en) * | 2000-06-15 | 2002-03-28 | Tesa Ag | Surface protection film for lacquer surfaces with a self-adhesive based on polyurethane |
| DE10116438A1 (en) * | 2001-04-02 | 2002-10-10 | Tesa Ag | Self-adhesive film to protect vehicle paints |
| CN1415468A (en) * | 2002-09-02 | 2003-05-07 | 江苏琼花高科技股份有限公司 | Method for preparing new protective film without incohesion |
| DE10318151A1 (en) * | 2003-04-17 | 2004-10-28 | Tesa Ag | Self-adhesive protective film for the temporary protection of vehicle paints |
| CN100496952C (en) * | 2004-08-16 | 2009-06-10 | 中国科学院长春应用化学研究所 | Preparation method of self-adhesive polyethylene base protection film |
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2006
- 2006-01-19 CN CNB2006100491757A patent/CN100419006C/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101966775A (en) * | 2009-07-28 | 2011-02-09 | 昆山华冠商标印刷有限公司 | Manufacturing method for protective film |
| CN101966775B (en) * | 2009-07-28 | 2014-05-28 | 昆山华冠商标印刷有限公司 | Manufacturing method for protective film |
| CN101870786A (en) * | 2010-07-01 | 2010-10-27 | 海宁海欣真空包装有限公司 | High-temperature paint protective film without educts |
| CN101870786B (en) * | 2010-07-01 | 2012-06-06 | 海宁海欣真空包装有限公司 | High-temperature paint protective film without educts |
| CN102277102B (en) * | 2011-08-05 | 2013-03-13 | 宁波信泰机械有限公司 | Low-density high-pressure polyethylene protective film containing polyurethane and preparation method thereof |
| CN102277102A (en) * | 2011-08-05 | 2011-12-14 | 宁波信泰机械有限公司 | Low-density high-pressure polyethylene protective film containing polyurethane and preparation method thereof |
| CN103374820A (en) * | 2013-07-26 | 2013-10-30 | 浙江鹏远新材料有限公司 | Antiskid woven cloth and preparation method thereof |
| CN104277281A (en) * | 2013-08-30 | 2015-01-14 | 江苏华科塑业有限公司 | Crab-culture anti-escape film |
| CN103640288B (en) * | 2013-11-30 | 2015-08-26 | 东莞市尼的科技股份有限公司 | A kind of EVA adhesive protecting film and manufacture craft thereof |
| CN103640288A (en) * | 2013-11-30 | 2014-03-19 | 东莞市尼的净化科技有限公司 | Self-adhesive EVA (Ethylene-Vinyl Acetate) protective film and manufacturing process thereof |
| CN103788887A (en) * | 2014-02-18 | 2014-05-14 | 周坤先 | Transparent non-adhesive protective film |
| CN103788887B (en) * | 2014-02-18 | 2016-04-06 | 周坤先 | A kind of transparent protective film without incohesion |
| CN104151711A (en) * | 2014-07-25 | 2014-11-19 | 桐乡市振华新型包装材料有限公司 | Plastic membrane easy to tear |
| CN105860200A (en) * | 2016-04-23 | 2016-08-17 | 李富贵 | High-viscosity self-adhesion protective film and preparation method thereof |
| CN106432868A (en) * | 2016-09-19 | 2017-02-22 | 无锡市速达电讯材料有限公司 | Self-adhesive film formula and preparation technology |
| CN109294048A (en) * | 2018-09-26 | 2019-02-01 | 天津泽恒包装制品有限公司 | A kind of formula of high viscous protective film masterbatch |
| CN113136061A (en) * | 2021-03-26 | 2021-07-20 | 广东聚石化学股份有限公司 | Flame-retardant polyethylene material and preparation method and application thereof |
| CN113388335A (en) * | 2021-06-15 | 2021-09-14 | 新乐华宝防护用品有限公司 | Self-adhesive metal plate protective film and preparation method thereof |
| CN114805997A (en) * | 2022-05-12 | 2022-07-29 | 宁波鸿雁包装材料有限公司 | Antistatic packaging film and preparation method thereof |
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|---|---|
| CN100419006C (en) | 2008-09-17 |
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