CN102977803A - Stainless steel protective film substrate material layer and stainless steel protective film obtained thereof - Google Patents
Stainless steel protective film substrate material layer and stainless steel protective film obtained thereof Download PDFInfo
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- CN102977803A CN102977803A CN2012104602684A CN201210460268A CN102977803A CN 102977803 A CN102977803 A CN 102977803A CN 2012104602684 A CN2012104602684 A CN 2012104602684A CN 201210460268 A CN201210460268 A CN 201210460268A CN 102977803 A CN102977803 A CN 102977803A
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Abstract
The invention discloses a stainless steel protective film substrate material layer and a stainless steel protective film obtained from the stainless steel protective film substrate material layer. The substrate material layer comprises surface layer materials and bottom layer materials, wherein the surface layer materials are obtained after polyethylene and ultraviolet light screening agent are mixed, melted and then squeezed out, the polyethylene is 90-95% of surface layer materials in weight, the bottom layer materials are obtained after the polyethylene and macromolecule surface modifying agent are mixed, melted, and squeezed out, and dosage of the macromolecule surface modifying agent is 1-15% of the polyethylene in weight. The stainless steel protective film can bond with natural rubber pressure sensitive adhesive well and the protective film containing the substrate material layer is free of shelling, residual rubber, and breakage in a stainless steel manufacturing process. The method for preparing the stainless steel protective film process is easy, low in cost, strong in practicalbility, easy to manufacture in industry, and by the utilization of high mobility speed of the macromolecule surface modifying agent in polyethylene substrate, capable of exerting good compatibility of the stainless steel protective film and the natural rubber pressure sensitive adhesive, and therefore bond performance of a polyethylene film surface is improved.
Description
Technical field
The present invention relates to a kind of stainless steel protection film base material layer reaches by its stainless steel protection film that makes.
Background technology
Protective membrane is a kind of other material to be had the mould material of defencive function, is widely used in the fields such as machinery, instrument, electronics, household electrical appliances, boats and ships, building and automobile making.Wherein the stainless steel protection film is widely used in the fields such as household electrical appliances, building, electronic information, daily household.Take China's household electric appliances as example, the output of air-conditioning, microwave oven, refrigerator, washing machine, electric cooker, electric fan and numerous small household appliances all occupies first place in the world, simultaneously China is again global consumption appliance big country, year, consuming capacity surpassed 5,000 hundred million yuan, and household electric appliances have become one of the fastest industry of Chinese development.
Household electric appliances need a large amount of stainless steel stretched, deep-draw fabricated products as spare and accessory parts, and the per pass technique of the stainless steel shell course of processing all needs a kind of film material that is called in the industry the deep-draw protective membrane to carry out surface protection.Because the stainless steel protection film need to use in the goods course of processing, therefore higher to the requirement of its quality, require its easy stickup, remove easily, can not upspring during punching press, do not come unstuck repeatedly deep-draw, deep-draw after the punching press.But a lot of problems such as there is perk in present existing stainless steel deep-draw protective membrane, come unstuck, the always untapped stainless steel protection film that goes out specially for Stainless Steel Products processing use also.
Protective membrane is actually a kind of special pressure-sensitive adhesive film, is comprised of substrate layer and pressure-sensitive adhesive layer.Wherein pressure sensitive adhesive mainly is divided into two kinds of esters of acrylic acid and rubber-like.From present As-Is analysis; although the research and development of pressure-sensitive acrylate are more deep, because this class pressure sensitive adhesive warps easily, comes off for stainless steel deep-draw film at present, glue is easily residual; the steel plate of different roughness needs the protective membrane of different cohesive forces, and versatility is poor.And utilize natural rubber can address these problems as pressure-sensitive adhesive layer, but the resistance to deterioration of natural rubber is poor, being used for stainless steel deep-draw film uses polyethylene as base material usually, and polyethylene is nonpolar, difficult sticking material, must to its carry out surface treatment could and the tackiness agent such as natural rubber bring into play good cohesive actions, otherwise the problem such as in use can occur coming unstuck.The requirement that the process of surface treatment such as corona discharge of present protective membrane industry universal obviously do not reach coated natural rubber pressure sensitive adhesive; therefore need to before coating natural rubber pressure-sensitive adhesive layer, be coated with one deck undercoat at the polyethylene base material; this has increased again production process and cost, is unfavorable for promoting the use of of this series products.
Summary of the invention
For save when adopting natural rubber to be pressure-sensitive adhesive layer need to be between substrate layer and pressure-sensitive adhesive layer the operation of applying coating; primary and foremost purpose of the present invention is to provide a kind of stainless steel protection film base material layer, and this substrate layer need not applying coating between substrate layer and pressure-sensitive adhesive layer in use.
For overcome perk that existing stainless steel protection film in use occurs, the problem such as come unstuck; another object of the present invention is to provide a kind of new stainless steel protection film; this protective membrane is prepared by above-mentioned substrate layer, and this protective membrane in use (comprises the courses of processing such as punching press, pull and stretch) and do not warp, do not rupture, cull not.
The preparation method of the stainless steel protection film that a further object of the present invention is to provide above-mentioned.
The purposes of the stainless steel protection film that the 4th purpose of the present invention is to provide above-mentioned.
Purpose of the present invention is achieved through the following technical solutions:
A kind of stainless steel protection film base material layer comprises surface material and primer.
Wherein, surface material is anti-aging layer, obtains after being extruded by polyethylene and ultravioletlight screening agent mixed melting, and wherein polyethylene accounts for the 90-95% of surface material quality;
Described ultravioletlight screening agent is prepared by following methods:
Nano titanium dioxide or zinc oxide add silane coupling agent, and 45 ℃ stir evenly rear drying, obtain the ultravioletlight screening agent; The consumption of silane coupling agent is the 1-5% of Nano titanium dioxide or zinc oxide quality;
The preferred KH-570 of described silane coupling agent or A-151.
Primer is to connect the natural rubber pressure sensitive adhesive, obtains after being extruded by polyethylene and large molecule surface modifier mixed melting, and the consumption of large molecule surface modifier is the 1-15% of polyethylene quality;
Described large molecule surface modifier is a kind of in chloroprene rubber grafting polymethylmethacrylate, grafting maleic anhydride with ethylene propylene terpolymer multipolymer or the methyl methacrylate-grafted natural rubber multipolymer.
The polyethylene of surface material and primer is the mixture of Low Density Polyethylene and linear low density polyethylene, and Low Density Polyethylene accounts for 30～70% of polyethylene quality, has good film-forming properties and mechanical property because the mixture of the two can guarantee material.
A kind of stainless steel protection film contains above-mentioned substrate layer, comprises that in addition pressure-sensitive adhesive layer, pressure-sensitive adhesive layer are the pressure-sensitive adhesive layers of prior art;
The preparation method of above-mentioned stainless steel protection film may further comprise the steps:
Substrate layer surface material and primer are placed respectively the double-layer coextrusion inflation film manufacturing machine, and then Extrusion Coating passes through inflation moulding, cooling again, draws, peels off and batch on pressure-sensitive adhesive layer simultaneously, obtains the stainless steel protection film; Wherein primer contacts with pressure-sensitive adhesive layer lower; Surface material is upper.
Above-mentioned stainless steel protection film can be applied in the stainless steel.In use, the pressure-sensitive adhesive layer of protective membrane contacts with the stainless steel steel.
Principle of the present invention is: adopt the method for large molecule surface modifier and polyethylene blend to prepare polyethylene bottom (being the bottom of substrate layer); the large molecule surface modifiers such as chloroprene rubber grafting methylmethacrylate copolymer can be moved to the surface of polyethylene film rapidly in the course of processing; has good avidity between large molecule surface modifier and the natural rubber pressure sensitive adhesive; so that the clinging power of natural rubber pressure-sensitive adhesive layer and polyethylene base material greater than and protected body stainless steel plate between clinging power; and initial adhesion power and final cohesive force are all stronger, and the natural rubber pressure sensitive adhesive can not transferred on the stainless steel plate when taking off film.
The present invention has following advantage and effect with respect to prior art:
1, stainless steel protection film base material layer of the present invention can be good with natural rubber pressure sensitive adhesive bonding, and the protective membrane that contains this substrate layer do not warp in the stainless steel course of processing, without cull, do not rupture.
2, the present invention prepare that the method for stainless steel protection membrane process is simple, cost is low, practical; be easy to suitability for industrialized production; utilize the high travelling speed of large molecule surface modifier in the polyethylene matrix; performance and the good consistency of natural rubber pressure sensitive adhesive, thus the adhesive property on polyethylene film surface improved.
Embodiment
The present invention is described in further detail below in conjunction with embodiment, but embodiments of the present invention are not limited to this.
Umber related in following examples is parts by weight.
Embodiment 1
A kind of surface layer PP Pipe Compound of stainless steel protection film base material layer is prepared by following steps:
(1) add the ethanolic soln of A-151 in the Nano titanium dioxide, 45 ℃ dry after stirring evenly, obtain the ultravioletlight screening agent; The consumption of A-151 is 1% of Nano titanium dioxide quality;
(2) get 70 parts of Low Density Polyethylenes; 30 parts of linear low density polyethylenes; 5 parts of the ultravioletlight screening agent of step (1); in high-speed mixer, mix; then place twin screw extruder; the screw zones temperature is 165～180 ℃, extrudes, cools off and through the dicing machine pelletizing, final drying obtains the surface layer PP Pipe Compound of stainless steel protection film base material layer through melt blending.
Embodiment 2
A kind of surface layer PP Pipe Compound of stainless steel protection film base material layer is prepared by following steps:
(1) ethanolic soln of adding KH-570 in the Nano-class zinc oxide, 45 ℃ stir evenly rear drying, obtain the ultravioletlight screening agent; The consumption of KH-570 is 5% of Nano-class zinc oxide quality;
(2) get 30 parts of Low Density Polyethylenes; 70 parts of linear low density polyethylenes; 10 parts of the ultravioletlight screening agent of step (1); in high-speed mixer, mix; then place twin screw extruder; the screw zones temperature is 165～180 ℃, extrudes, cools off and through the dicing machine pelletizing, final drying obtains the surface layer PP Pipe Compound of stainless steel protection film base material layer through melt blending.
Embodiment 3
A kind of bottom PP Pipe Compound of stainless steel protection film base material layer is prepared by following methods:
Get 50 parts of Low Density Polyethylenes; 50 parts of linear low density polyethylenes; 5 parts of chloroprene rubber grafting polymethylmethacrylates; in high-speed mixer, mix; then place twin screw extruder; the screw zones temperature is 165～180 ℃, extrudes, cools off and through the dicing machine pelletizing, final drying obtains the bottom PP Pipe Compound of stainless steel protection film base material layer through melt blending.
Embodiment 4
A kind of bottom PP Pipe Compound of stainless steel protection film base material layer is prepared by following methods:
Get 40 parts of Low Density Polyethylenes; 60 parts of linear low density polyethylenes; 3 parts of grafting maleic anhydride with ethylene propylene terpolymer multipolymers; in high-speed mixer, mix; then place twin screw extruder; the screw zones temperature is 165～180 ℃, extrudes, cools off and through the dicing machine pelletizing, final drying obtains the bottom PP Pipe Compound of stainless steel protection film base material layer through melt blending.
Embodiment 5
A kind of bottom PP Pipe Compound of stainless steel protection film base material layer is prepared by following methods:
Get 60 parts of Low Density Polyethylenes; 40 parts of linear low density polyethylenes; 0 part of methyl methacrylate-grafted natural rubber copolymer 1; in high-speed mixer, mix; then place twin screw extruder; the screw zones temperature is 165～180 ℃, extrudes, cools off and through the dicing machine pelletizing, final drying obtains the bottom PP Pipe Compound of stainless steel protection film base material layer through melt blending.
Embodiment 6
A kind of stainless steel protection film is prepared by following methods:
The surface material of embodiment 1 and the primer of embodiment 3 are placed respectively the double-layer coextrusion inflation film manufacturing machine, and then Extrusion Coating passes through inflation moulding, cooling again, draws, peels off and batch on the natural rubber varistor layer simultaneously, obtains the stainless steel protection film; Wherein primer contacts with the natural rubber varistor layer lower; Surface material is upper.
Embodiment 7
A kind of stainless steel protection film is prepared by following methods:
The surface material of embodiment 1 and the primer of embodiment 4 are placed respectively the double-layer coextrusion inflation film manufacturing machine, and then Extrusion Coating passes through inflation moulding, cooling again, draws, peels off and batch on the natural rubber varistor layer simultaneously, obtains the stainless steel protection film; Wherein primer contacts with the natural rubber varistor layer lower; Surface material is upper.
Embodiment 8
A kind of stainless steel protection film is prepared by following methods:
The surface material of embodiment 1 and the primer of embodiment 5 are placed respectively the double-layer coextrusion inflation film manufacturing machine, and then Extrusion Coating passes through inflation moulding, cooling again, draws, peels off and batch on the natural rubber varistor layer simultaneously, obtains the stainless steel protection film; Wherein primer contacts with the natural rubber varistor layer lower; Surface material is upper.
Embodiment 9
A kind of stainless steel protection film is prepared by following methods:
The surface material of embodiment 2 and the primer of embodiment 3 are placed respectively the double-layer coextrusion inflation film manufacturing machine, and then Extrusion Coating passes through inflation moulding, cooling again, draws, peels off and batch on the natural rubber varistor layer simultaneously, obtains the stainless steel protection film; Wherein primer contacts with the natural rubber varistor layer lower; Surface material is upper.
Embodiment 10
A kind of stainless steel protection film is prepared by following methods:
The surface material of embodiment 2 and the primer of embodiment 4 are placed respectively the double-layer coextrusion inflation film manufacturing machine, and then Extrusion Coating passes through inflation moulding, cooling again, draws, peels off and batch on the natural rubber varistor layer simultaneously, obtains the stainless steel protection film; Wherein primer contacts with the natural rubber varistor layer lower; Surface material is upper.
Embodiment 11
A kind of stainless steel protection film is prepared by following methods:
The surface material of embodiment 2 and the primer of embodiment 5 are placed respectively the double-layer coextrusion inflation film manufacturing machine, and then Extrusion Coating passes through inflation moulding, cooling again, draws, peels off and batch on the natural rubber varistor layer simultaneously, obtains the stainless steel protection film; Wherein primer contacts with the natural rubber varistor layer lower; Surface material is upper.
The stainless steel protection film of embodiment 6-11; use via household electrical appliances manufacturing firms such as gas-cooker, microwave oven, refrigerator, washing machine, electric cookers; repeatedly do not exist in the course of processing in stainless steel punching press, forging and pressing etc. and to warp, cull, to peel off and the problem such as curling; effectively improve production efficiency, reduced cost.
Above-described embodiment is the better embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. a stainless steel protection film base material layer is characterized in that: comprise surface material and primer;
Wherein, surface material obtains after being extruded by polyethylene and ultravioletlight screening agent mixed melting, and wherein polyethylene accounts for the 90-95% of surface material quality;
Primer obtains after being extruded by polyethylene and large molecule surface modifier mixed melting, and the consumption of large molecule surface modifier is the 1-15% of polyethylene quality.
2. stainless steel protection film base material layer according to claim 1 is characterized in that:
Described ultravioletlight screening agent is prepared by following methods:
Nano titanium dioxide or zinc oxide add silane coupling agent, and 45 ℃ stir evenly rear drying, obtain the ultravioletlight screening agent; The consumption of silane coupling agent is the 1-5% of Nano titanium dioxide or zinc oxide quality.
3. stainless steel protection film base material layer according to claim 2, it is characterized in that: described silane coupling agent is KH-570 or A-151.
4. stainless steel protection film base material layer according to claim 1 is characterized in that: described large molecule surface modifier is a kind of in chloroprene rubber grafting polymethylmethacrylate, grafting maleic anhydride with ethylene propylene terpolymer multipolymer or the methyl methacrylate-grafted natural rubber multipolymer.
5. stainless steel protection film base material layer according to claim 1, it is characterized in that: the polyethylene in surface material and the primer is the mixture of Low Density Polyethylene and linear low density polyethylene.
6. stainless steel protection film base material layer according to claim 1; it is characterized in that: the polyethylene in surface material and the primer is the mixture of Low Density Polyethylene and linear low density polyethylene; wherein, Low Density Polyethylene accounts for 30～70% of polyethylene quality.
7. a stainless steel protection film is characterized in that: contain each described substrate layer of claim 1-6.
8. stainless steel protection film according to claim 7 is characterized in that: also comprise pressure-sensitive adhesive layer.
9. the preparation method of claim 7 or 8 described stainless steel protection films is characterized in that may further comprise the steps:
Substrate layer surface material and primer are placed respectively the double-layer coextrusion inflation film manufacturing machine, and then Extrusion Coating passes through inflation moulding, cooling again, draws, peels off and batch on pressure-sensitive adhesive layer simultaneously, obtains the stainless steel protection film; Wherein primer contacts with pressure-sensitive adhesive layer lower; Surface material is upper.
10. claim 7 or 8 application of described stainless steel protection film in stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210460268.4A CN102977803B (en) | 2012-11-15 | 2012-11-15 | Stainless steel protective film substrate material layer and stainless steel protective film obtained thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210460268.4A CN102977803B (en) | 2012-11-15 | 2012-11-15 | Stainless steel protective film substrate material layer and stainless steel protective film obtained thereof |
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| Publication Number | Publication Date |
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| CN102977803A true CN102977803A (en) | 2013-03-20 |
| CN102977803B CN102977803B (en) | 2014-04-09 |
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| CN201210460268.4A Expired - Fee Related CN102977803B (en) | 2012-11-15 | 2012-11-15 | Stainless steel protective film substrate material layer and stainless steel protective film obtained thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010328A (en) * | 2016-05-05 | 2016-10-12 | 佛山市顺元塑胶制品有限公司 | Deep stamping oil-resistant multilayer co-extrusion type protective film |
| CN110815879A (en) * | 2019-10-15 | 2020-02-21 | 青岛正爱科技有限公司 | Preparation method and application of ultra-high molecular weight polyethylene composite membrane |
| CN114472742A (en) * | 2021-12-17 | 2022-05-13 | 浙江安胜科技股份有限公司 | Traceless processing technology for large arc surface of stainless steel vacuum cup |
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| EP1123801A1 (en) * | 1999-07-14 | 2001-08-16 | Nichiban Company Limited | Surface-protective pressure-sensitive adhesive sheet |
| 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 |
| CN1597304A (en) * | 2004-08-16 | 2005-03-23 | 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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2012
- 2012-11-15 CN CN201210460268.4A patent/CN102977803B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1123801A1 (en) * | 1999-07-14 | 2001-08-16 | Nichiban Company Limited | Surface-protective pressure-sensitive adhesive sheet |
| 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 |
| CN1597304A (en) * | 2004-08-16 | 2005-03-23 | 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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010328A (en) * | 2016-05-05 | 2016-10-12 | 佛山市顺元塑胶制品有限公司 | Deep stamping oil-resistant multilayer co-extrusion type protective film |
| CN110815879A (en) * | 2019-10-15 | 2020-02-21 | 青岛正爱科技有限公司 | Preparation method and application of ultra-high molecular weight polyethylene composite membrane |
| CN114472742A (en) * | 2021-12-17 | 2022-05-13 | 浙江安胜科技股份有限公司 | Traceless processing technology for large arc surface of stainless steel vacuum cup |
| CN114472742B (en) * | 2021-12-17 | 2023-08-25 | 浙江安胜科技股份有限公司 | Seamless processing technology for large arc surface of stainless steel vacuum cup |
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| CN102977803B (en) | 2014-04-09 |
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