CN102504716A - BOPP (Biaxially-oriented Polypropylene) pre-coating basement membrane - Google Patents
BOPP (Biaxially-oriented Polypropylene) pre-coating basement membrane Download PDFInfo
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- CN102504716A CN102504716A CN2011103039033A CN201110303903A CN102504716A CN 102504716 A CN102504716 A CN 102504716A CN 2011103039033 A CN2011103039033 A CN 2011103039033A CN 201110303903 A CN201110303903 A CN 201110303903A CN 102504716 A CN102504716 A CN 102504716A
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Abstract
The invention relates to a BOPP (Biaxially-oriented Polypropylene) membrane, in particular to a BOPP pre-coating basement membrane. The BOPP pre-coating basement membrane is characterized by consisting of three layers, wherein an upper surface layer is PP (Propene Polymer) homopolymer; a core layer is PP homopolymer; a lower surface layer is a functional layer, i.e. a hot melt adhesive layer; the modified EVA (ethylene vinyl acetate) hot melt adhesive layer is adopted; and a hot melt adhesive comprises the following components in part by mass: 80 to 90 parts of EVA, 5 to 10 parts of SIS (styrene-isoprene-styrene), 30 to 50 parts of tackifying resin, 1 to 10 parts of wax, 0.1 to 0.5 part of antioxidant and 0 to 10 parts of other auxiliaries. A preparation process of the BOPP pre-coating basement membrane is a biaxially-oriented process. The BOPP pre-coating basement membrane disclosed by the invention can be directly coated with the EVA adhesive without corona treatment on a BOPP thin film or a first coat, so that production equipment and cost are saved. The BOPP pre-coating basement membrane disclosed by the invention has good adhesion force for paper and is also suitable for special print paper with a thick ink layer, deep color and large moisture content.
Description
Technical field
The present invention relates to a kind of BOPP film, particularly a kind of BOPP precoating basement membrane.
Background technology
The precoating basement membrane is made up of base material and tamanori glue-line, and base material is generally polyester (PET) film and BOPP Biaxially oriented polypropylene film (BOPP) film, and its thickness is 12～20 μ m.Because BOPP Biaxially oriented polypropylene film (BOPP) film belongs to non-polar material, but its surface does not have good viscosity, and promptly its moistened surface tension force is little, and not treated direct gluing has local degumming phenomenon.
In order to improve the stripping strength of BOPP film and glue-line, avoid degumming phenomenon, generally need substrate surface be coated the Ethanol Treatment liquid of 1.0% KH-550 coupling agent earlier, perhaps on the film substrate surface, be coated with the last layer primer earlier; Before the gluing PET or BOPP base material are adopted Corona discharge Treatment, behind the gluing, also can avoid between glue and base material degumming phenomenon taking place again.
Common BOPP pre-coating film or common BOPET pre-coating film; Its hot melt adhesive layer adopts ethylene-vinyl acetate ethylene atactic copolymer (EVA) to be the hot melt adhesive of base resin basically; The EVA hot melt adhesive is one of most important hot melt adhesive; The major advantage of the multiple film glue of EVA is acid resistance, alkali resistance, frost resistance and package stability, and surface tension is lower, and films such as PVC, nylon are had good bonding force; But the adhesiveproperties to nonpolar difficult adhesivess such as PP or PE is bad, occurs " light film " phenomenon when taking off film and peeling off easily.
Summary of the invention
The objective of the invention is to solve traditional product for fear of degumming phenomenon; Need apply primer and perhaps adopt technologies such as corona, a kind of novel B OPP precoating basement membrane is provided, wherein the BOPP basement membrane top layer is as functional layer; Add and the superpower elastomerics of BOPP bonding strength; Give itself and BOPP film and the superpower cementability of EVA glue-line, no longer need corona treatment BOPP film or primary coat etc., can directly apply EVA glue and get final product.
The present invention takes following technical scheme for solving its technical problem: BOPP precoating basement membrane is formed by three layers; Upper epidermis is the PP homopolymer; Sandwich layer also is the PP homopolymer; Following top layer is that functional layer is the hot melt adhesive layer, and hot melt adhesive layer adopts the modified EVA hot-melt adhesive layer, and BOPP precoating basement membrane of the present invention is formed (mass parts) as follows with hot melt adhesive:
EVA described in the technique scheme, wherein the VAc massfraction is 28%;
SIS described in the technique scheme is a kind of thermoplastic elastomer, is the triblock copolymer of vinylbenzene and isoprene, and it has the elasticity of rubber at normal temperatures, melts flowability and at high temperature have to iron.See that from molecular structure the centre is nonpolar isoprene block, when adding SIS in the co-mixing system, EVA content reduces relatively in the system, thereby the polar group of system is reduced, and strengthens with the non-polar material adhesiveproperties;
Tackifying resin described in the technique scheme is the mixture of terpine resin and hydrogenation acid Gum Rosin, and wherein terpine resin is 2: 1 with staybelite resin quality ratio;
Wax described in the technique scheme is the mixture of PE wax and wax C80; Ratio is 3: 2 between the two; PE wax is because its polar structure is close with BOPP; With BOPP affinity interaction is preferably arranged, and consistency is good between wax C80 and the EVA, gets the bonding strength that both mixtures can improve BOPP film and EVA hot melt adhesive;
Oxidation inhibitor described in the technique scheme is 1010 (four [B-(3,5 di-tert-butyl-hydroxy phenyl) propionic acid]) pentaerythritol esters and BHT (2, the 6-tertiary butyl-4-cresols) etc., and purpose is in order to prevent polymkeric substance oxygenolysis when the high-temperature fusion blend;
Other auxiliary agent has anti-aging agent etc. described in the technique scheme, and the difference that in using according to reality product performance is required adds different auxiliary agents;
Upper epidermis described in the technique scheme: sandwich layer: the functional layer mass ratio is 1: 1: 1.
The preparation method of modified EVA hot-melt adhesive described in the technique scheme is:
Oil bath is warming up to 160～180 ℃; After treating that temperature steadily; In there-necked flask, add wax class, tackifying resin and other auxiliary agent etc. successively, under nitrogen protection, being stirred to the solid material melts fully, adds EVA and SIS elastomerics again; After treating that EVA and elastomerics melt fully, stir and promptly make the BOPP pre-coating film and use hot melt adhesive.
The preparation technology of BOPP precoating basement membrane of the present invention is: according to formulation content, through extruding the casting sheet behind three layers of die head, extrusion temperature is 210～250 ℃ with trilaminate material, carries out then becoming film after longitudinal stretching and cross directional stretch and the traction.
Beneficial effect of the present invention:
(1) modified EVA hot-melt adhesive of the BOPP precoating basement membrane employing of the present invention's preparation; On the BOPP of low surface energy film, good sticking power is arranged; No longer need corona treatment BOPP film or primary coat etc., can directly apply EVA glue to get final product, saved production unit and cost;
(2) BOPP precoating basement membrane of the present invention is good to the bonding force of paper, is applicable to printing ink bed thickness, the special printed matter paper that color and luster is dark, moisture is heavy simultaneously;
(3) do not contain solvent in the BOPP precoating basement membrane manufacturing processed of the present invention, do not pollute the environment, be applicable to automatic production line; The pre-coating film equipment complex takes up an area of little, and production efficiency is high, and is simple to operate.
Embodiment
Embodiment 1
Oil bath is warming up to 170 ℃, treat that temperature steadily after, in there-necked flask, add 3 parts in PE wax successively; 2 parts of wax C80; 30 parts of terpine resins, 15 parts of hydrogenation acid Gum Rosins are stirred to the solid material and melt fully under nitrogen protection, add 80 parts of EVA and 6 parts of SIS again; After treating that elastomerics melts fully, stir and promptly make the BOPP pre-coating film and use hot melt adhesive.
According to mass ratio 1: 1: 1, through extruding the casting sheet behind three layers of die head, extrusion temperature was 220 ℃ with HPP homopolymer polypropylene, HPP homopolymer polypropylene, hot melt adhesive, carried out then becoming film after longitudinal stretching and cross directional stretch and the traction.
Embodiment 2
Oil bath is warming up to 180 ℃, treat that temperature steadily after, in there-necked flask, add 6 parts in PE wax successively; Wax C804 part; 20 parts of terpine resins, 10 parts of hydrogenation acid Gum Rosins are stirred to the solid material and melt fully under nitrogen protection, add 85 parts of EVA and 5 parts of SIS again; After treating that elastomerics melts fully, stir and promptly make the BOPP pre-coating film and use hot melt adhesive.
According to mass ratio 1: 1: 1, through extruding the casting sheet behind three layers of die head, extrusion temperature was 230 ℃ with HPP homopolymer polypropylene, HPP homopolymer polypropylene, hot melt adhesive, carried out then becoming film after longitudinal stretching and cross directional stretch and the traction.
Embodiment 3
Oil bath is warming up to 175 ℃, treat that temperature steadily after, in there-necked flask, add 7.5 parts in PE wax successively; Wax C805 part; 34 parts of terpine resins, 17 parts of hydrogenation acid Gum Rosins are stirred to the solid material and melt fully under nitrogen protection, add 90 parts of EVA and 8 parts of SIS again; After treating that elastomerics melts fully, stir and promptly make the BOPP pre-coating film and use hot melt adhesive.
According to mass ratio 1: 1: 1, through extruding the casting sheet behind three layers of die head, extrusion temperature was 250 ℃ with HPP homopolymer polypropylene, HPP homopolymer polypropylene, hot melt adhesive, carried out then becoming film after longitudinal stretching and cross directional stretch and the traction.
Adopt the dry type laminating machine to carry out overlay film the BOPP precoating basement membrane of above-mentioned 3 embodiment preparation; Common printed article heat roller temperature is 100 ℃, and special printed matter is 110 ℃, pressure 12mPa; Speed 50m/min; Peeling off in 2 hours behind the overlay film, is 6.9N/15mm to the average bonding force of plain paper, is 6.1N/15mm to the average bonding force of printing ink bed thickness, color and luster is dark, moisture is heavy special printed matter.
Claims (2)
1. a BOPP precoating basement membrane is characterized in that BOPP precoating basement membrane is made up of base material and hot melt adhesive layer, and wherein base material adopts the BOPP film; Hot melt adhesive layer adopts the modified EVA hot-melt adhesive layer, and wherein hot melt adhesive is formed (mass parts) as follows: EVA 80～90; SIS 5～10; Tackifying resin 30～50; Wax 1-10; Oxidation inhibitor 0.1～0.5; Other auxiliary agent 0～10;
2. one kind is characterized in that by the said a kind of BOPP precoating basement membrane of claim 1 the VA massfraction is 28% among the said EVA; Said SIS is a kind of thermoplastic elastomer, is the triblock copolymer of vinylbenzene and isoprene; Said tackifying resin is the mixture of terpine resin and hydrogenation acid Gum Rosin, and wherein terpine resin is 2: 1 with staybelite resin quality ratio; Said wax is the mixture of PE wax and wax C80, and ratio is 3: 2 between the two; Said oxidation inhibitor is 1010 (four [B-(3,5 di-tert-butyl-hydroxy phenyl) propionic acid]) pentaerythritol esters and BHT (2, the 6-tertiary butyl-4-cresols) etc.; Said other auxiliary agent has anti-aging agent etc., and the difference that in using according to reality product performance is required adds different auxiliary agents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110303903 CN102504716B (en) | 2011-10-10 | 2011-10-10 | BOPP (Biaxially-oriented Polypropylene) pre-coating basement membrane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110303903 CN102504716B (en) | 2011-10-10 | 2011-10-10 | BOPP (Biaxially-oriented Polypropylene) pre-coating basement membrane |
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| CN102504716A true CN102504716A (en) | 2012-06-20 |
| CN102504716B CN102504716B (en) | 2013-10-30 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362225A (en) * | 2013-07-16 | 2013-10-23 | 安徽国风塑业股份有限公司 | Pre-coating film for thermal insulation of buildings and thermal insulation material coated with pre-coating film |
| CN103509494A (en) * | 2013-09-18 | 2014-01-15 | 滁州市光威化工有限公司 | High-viscosity hot melt adhesive |
| CN104139592A (en) * | 2014-07-16 | 2014-11-12 | 安徽国风塑业股份有限公司 | BOPP pre-coated basement membrane without primer coatings and preparation method thereof |
| CN105017548A (en) * | 2015-07-10 | 2015-11-04 | 浙江欧仁新材料有限公司 | Digital printing advertisement base material and preparation method thereof |
| CN107142035A (en) * | 2017-05-27 | 2017-09-08 | 佛山市百晟装饰科技有限公司 | A kind of MODIFIED PP decorating film |
| WO2019041176A1 (en) * | 2017-08-30 | 2019-03-07 | 胡敏生 | Low-temperature thermal laminating film, and preparation method and use thereof |
| CN109485969A (en) * | 2018-10-30 | 2019-03-19 | 南京聚隆科技股份有限公司 | One kind is exempted to handle fretting map pad pasting wrapping paper material and preparation method thereof |
| CN110157354A (en) * | 2018-03-26 | 2019-08-23 | 广州市伟旺热熔胶科技有限公司 | A kind of modified EVA hot-melt adhesive and preparation method thereof |
| CN110305600A (en) * | 2019-05-27 | 2019-10-08 | 黄山永新股份有限公司 | A kind of lightweight high-speed packaging film and its production technology that adjustable point heat-sealing is recyclable |
| CN111978877A (en) * | 2020-09-12 | 2020-11-24 | 温州森纳包装材料有限公司 | BOPP pre-coating film and manufacturing process thereof |
| WO2022097129A1 (en) | 2020-11-05 | 2022-05-12 | Torres Sebastian Agustin | Laminated plastic film for high-speed forming of plastic packages |
| CN114806439A (en) * | 2022-04-02 | 2022-07-29 | 山东顺凯复合材料有限公司 | Tackifying BOPP pre-coating film substrate and preparation method thereof |
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| WO2004067668A1 (en) * | 2003-01-17 | 2004-08-12 | Arkema | Polyolefin and copolyamide based thermofusible adhesive composition with improved thermal behavior |
| CN201217291Y (en) * | 2008-05-05 | 2009-04-08 | 北京康得新复合材料股份有限公司 | Bottomless coating agent biaxial tension polypropylene precoating film |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362225A (en) * | 2013-07-16 | 2013-10-23 | 安徽国风塑业股份有限公司 | Pre-coating film for thermal insulation of buildings and thermal insulation material coated with pre-coating film |
| CN103509494A (en) * | 2013-09-18 | 2014-01-15 | 滁州市光威化工有限公司 | High-viscosity hot melt adhesive |
| CN103509494B (en) * | 2013-09-18 | 2016-03-23 | 滁州市光威化工有限公司 | A kind of High-viscosity hot melt adhesive |
| CN104139592A (en) * | 2014-07-16 | 2014-11-12 | 安徽国风塑业股份有限公司 | BOPP pre-coated basement membrane without primer coatings and preparation method thereof |
| CN105017548A (en) * | 2015-07-10 | 2015-11-04 | 浙江欧仁新材料有限公司 | Digital printing advertisement base material and preparation method thereof |
| CN107142035A (en) * | 2017-05-27 | 2017-09-08 | 佛山市百晟装饰科技有限公司 | A kind of MODIFIED PP decorating film |
| WO2019041176A1 (en) * | 2017-08-30 | 2019-03-07 | 胡敏生 | Low-temperature thermal laminating film, and preparation method and use thereof |
| US11124681B2 (en) | 2017-08-30 | 2021-09-21 | Guangdong Eko Film Manufacture Co., Ltd | Low-temperature thermal laminating film and preparation method and application thereof |
| CN110157354A (en) * | 2018-03-26 | 2019-08-23 | 广州市伟旺热熔胶科技有限公司 | A kind of modified EVA hot-melt adhesive and preparation method thereof |
| CN109485969A (en) * | 2018-10-30 | 2019-03-19 | 南京聚隆科技股份有限公司 | One kind is exempted to handle fretting map pad pasting wrapping paper material and preparation method thereof |
| CN110305600A (en) * | 2019-05-27 | 2019-10-08 | 黄山永新股份有限公司 | A kind of lightweight high-speed packaging film and its production technology that adjustable point heat-sealing is recyclable |
| CN111978877A (en) * | 2020-09-12 | 2020-11-24 | 温州森纳包装材料有限公司 | BOPP pre-coating film and manufacturing process thereof |
| WO2022097129A1 (en) | 2020-11-05 | 2022-05-12 | Torres Sebastian Agustin | Laminated plastic film for high-speed forming of plastic packages |
| CN114806439A (en) * | 2022-04-02 | 2022-07-29 | 山东顺凯复合材料有限公司 | Tackifying BOPP pre-coating film substrate and preparation method thereof |
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| CN102504716B (en) | 2013-10-30 |
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Application publication date: 20120620 Assignee: ZHEJIANG ZHONGJIA TECHNOLOGY CO., LTD. Assignor: Shanghai Jinpu Plastic Packing Materials Co., Ltd. Contract record no.: 2014330000306 Denomination of invention: BOPP (Biaxially-oriented Polypropylene) pre-coating basement membrane Granted publication date: 20131030 License type: Exclusive License Record date: 20140729 |
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