CN102555381B - Biaxially-oriented polypropylene (BOPP) coated heat sealable film - Google Patents
Biaxially-oriented polypropylene (BOPP) coated heat sealable film Download PDFInfo
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- CN102555381B CN102555381B CN201210060755.1A CN201210060755A CN102555381B CN 102555381 B CN102555381 B CN 102555381B CN 201210060755 A CN201210060755 A CN 201210060755A CN 102555381 B CN102555381 B CN 102555381B
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Abstract
The invention belongs to the technical field of packaging materials and relates to a biaxially-oriented polypropylene (BOPP) coated heat sealable film, which is characterized by comprising a function layer, a core layer and a sub function layer, wherein the core layer is positioned between the function layer and the sub function layer, and the function layer, the core layer and the sub function layer are subjected to co-extrusion and biaxial tension to form a whole; the BOPP coated heat sealable film comprises 1 to 8 mass percent of function layer, 91 to 98 mass percent of core layer and 1 to 5 mass percent of sub function layer; the function layer is prepared from the following raw materials in percentage by mass: 55 percent of acetic ether, 10 percent of C9 hydrogenated petroleum resin, 18 percent of polypropylene, 13 percent of polyvinyl alcohol, 2 percent of sodium hydroxide, 1 percent of antioxidant and 1 percent of dispersing agent; the core layer is prepared from the following raw materials in percentage by mass: 73 to 82 percent of polypropylene, 10 to 15 percent of stiffening agent and 8 to 12 percent of anti-static slipping agent; and the sub function layer is prepared from the following raw materials in percentage by mass: 1 percent of SiO2 and 99 percent of propylene copolymer. The BOPP coated heat sealable film has the characteristics of good printing performance and low heat sealing temperature.
Description
Technical field
The invention belongs to field of packaging material, be specifically related to a kind of BOPP coated film.
Background technology
Some existing characteristics of BOPP coated film itself make it be widely used in Flexible-Packaging Industry, as cigarette-brand, radium-shine, packaging for foodstuff etc.But label industry (BOPP coated film is to make the topmost thin film of label material), because BOPP coated film surface is nonpolar, and surface tension itself not high (being generally no more than 32 dyne) and decline are very fast, make UV ink abnormal difficult in adhering to of BOPP surface.Existing BOPP coated film exists following deficiency: within one month, corona value can only reach 38 dyne, and printing performance is poor, and heat-sealing temperature is high.
Summary of the invention
The object of the present invention is to provide the BOPP coated heat sealer that a kind of printing performance is good, heat-sealing temperature is low.
To achieve these goals, the technical solution used in the present invention is: BOPP coated heat sealer, it is characterized in that: it comprises functional layer, sandwich layer and subfunction layer, sandwich layer is between functional layer and subfunction layer, and functional layer, sandwich layer and subfunction layer adopt after coextrusion through biaxial tension and integral; Functional layer, sandwich layer, the shared mass percent of subfunction layer are: functional layer 1～8%, sandwich layer 91～98%, subfunction layer 1～5%;
The material of functional layer is made up of ethyl acetate, C9 hydrogenation oil resin (or claiming C9 hydrogenated petroleum resin, hydrogenation C9 Petropols), polypropylene, polyvinyl alcohol, NaOH, antioxidant, dispersant, and the shared mass percent of each raw material is: ethyl acetate 55%, C9 hydrogenation oil resin 10%, polypropylene 18%, polyvinyl alcohol 13%, NaOH 2%, antioxidant 1%, dispersant 1%;
The material of sandwich layer by polypropylene (PP), increase firm agent [as: PP increases firm agent (Yantai Zhi Chu synthetic chemistry Co., Ltd), C9 oil resin or C5 oil resin], antistatic slipping agent forms, the shared mass percent of each raw material is: polypropylene 73～82%, increase firm agent 10～15%, antistatic slipping agent 8～12%;
The material of subfunction layer is by COPP [low temperature crushing-resistant copolymerization polypropylene CPPJ, block copolymerization polypropylene (PP-B) or atactic copolymerized polypropene (PP-R)] and SiO
2composition, the mass percent of each component is: SiO
2be 1%, COPP is 99%.
Described antioxidant is 1010 antioxidants or 1076 antioxidants.
The dispersant (BOPP adhesive tape is special) that described dispersant provides for Guangzhou Guan Zhi Chemical Co., Ltd., or dispersant (enhancement of BOPP adhesive force) the Disper Ad 3700+ that provides of Tianjin, Shanghai Kun trade Co., Ltd; Or the bright dispersant that provides of the sub-Chemical Co., Ltd. of Shanghai Songyuan, etc.
Described antistatic slipping agent is smooth antistatic additive E-400 (Shangyu Java Macromolecule Material Co., Ltd.), ethylene bis stearamide, fatty acid ester or grease acid amides.
The invention has the beneficial effects as follows: the BOPP coated heat sealer surface polarity of the present invention corona value that rolls off the production line can reach 56 dyne (being that printing performance is good), within one month, corona value still can remain into 50 dyne above (a month corona value of common BOPP coated film can only reach 38 dyne), and impressionability has strengthened greatly.
BOPP coated heat sealer is made into label material, the wiping repeatedly that label printing face ethanol-tolerant is 100 times, printing surface pattern still line silk do not change and the position of wiping wrinkle resistant indeformable, have the advantages that resistance to wiping properties is good.
The heat-sealing temperature low (55-75 ℃) of BOPP coated heat sealer of the present invention.
BOPP coated heat sealer of the present invention not only can meet the soft version of UV ink, relief printing plate and serigraphy, and can also carry out cold wave gold, blanching gold etc.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1-functional layer, 2-sandwich layer, 3-subfunction layer.
The specific embodiment
Embodiment 1:
As shown in Figure 1, BOPP coated heat sealer, it comprises functional layer 1, sandwich layer 2 and subfunction layer 3, and sandwich layer is between functional layer and subfunction layer, and functional layer, sandwich layer and subfunction layer adopt after coextrusion through biaxial tension and integral; Functional layer, sandwich layer, the shared mass percent of subfunction layer are: functional layer 1%, sandwich layer 98%, subfunction layer 1%;
The material of functional layer is made up of ethyl acetate, C9 hydrogenation oil resin (or claiming C9 hydrogenated petroleum resin, hydrogenation C9 Petropols), polypropylene, polyvinyl alcohol, NaOH, antioxidant, dispersant, and the shared mass percent of each raw material is: ethyl acetate 55%, C9 hydrogenation oil resin 10%, polypropylene 18%, polyvinyl alcohol 13%, NaOH 2%, antioxidant 1%, dispersant 1%;
The material of sandwich layer by polypropylene (PP), increase firm agent [as: PP increases firm agent (Yantai Zhi Chu synthetic chemistry Co., Ltd)], antistatic slipping agent forms, the shared mass percent of each raw material is: polypropylene 73%, increase firm agent 15%, antistatic slipping agent 12%;
The material of subfunction layer is by COPP [block copolymerization polypropylene (PP-B)] and SiO
2composition, the mass percent of each component is: SiO
2be 1%, COPP is 99%.
Described antioxidant is 1010 antioxidants.
The dispersant (BOPP adhesive tape is special) that described dispersant provides for Guangzhou Guan Zhi Chemical Co., Ltd..
Described antistatic slipping agent is smooth antistatic additive E-400 (Shangyu Java Macromolecule Material Co., Ltd.).
Preparation method of the present invention is: the raw material of apolegamy is sent into extruder and be processed into melt, melt becomes sheet (extrusion temperature is 200-260 ℃) by curtain coating slab co-extrusion, sheet becomes film through biaxial tension, film becomes female film through sided corona treatment or flame treatment, parent roll, through Ageing Treatment, finally cuts into BOPP coated heat sealer finished product.
The BOPP coated heat sealer surface polarity of the present invention corona value that rolls off the production line can reach 56 dyne (being that printing performance is good), within one month, corona value still can remain into 50 dyne above (a month corona value of common BOPP coated film can only reach 38 dyne), and impressionability has strengthened greatly.
BOPP coated heat sealer of the present invention is carried out to resistance to wiping experiment: BOPP coated heat sealer is made into label material (employing prior art), the wiping repeatedly that label printing face ethanol-tolerant is 100 times, printing surface pattern still line silk do not change and the position of wiping wrinkle resistant indeformable; And existing BOPP coated film is made into label material, the wiping repeatedly that label printing face ethanol-tolerant is 100 times, printing surface pattern fogs and the position of wiping is wrinkling, distortion; Illustrate that the present invention has the advantages that resistance to wiping properties is good.
BOPP coated heat sealer of the present invention is carried out to heat-sealing temperature experiment: experiment shows that heat-sealing temperature is 55-75 ℃, and the heat-sealing temperature of existing BOPP coated film is 100 ℃ of left and right, illustrates that the heat-sealing temperature of BOPP coated heat sealer of the present invention is low.
Embodiment 2:
As shown in Figure 1, BOPP coated heat sealer, it comprises functional layer, sandwich layer and subfunction layer, and sandwich layer is between functional layer and subfunction layer, and functional layer, sandwich layer and subfunction layer adopt after coextrusion through biaxial tension and integral; Functional layer, sandwich layer, the shared mass percent of subfunction layer are: functional layer 8%, sandwich layer 91%, subfunction layer 1%;
The material of functional layer is made up of ethyl acetate, C9 hydrogenation oil resin (or claiming C9 hydrogenated petroleum resin, hydrogenation C9 Petropols), polypropylene, polyvinyl alcohol, NaOH, antioxidant, dispersant, and the shared mass percent of each raw material is: ethyl acetate 55%, C9 hydrogenation oil resin 10%, polypropylene 18%, polyvinyl alcohol 13%, NaOH 2%, antioxidant 1%, dispersant 1%;
The material of sandwich layer by polypropylene (PP), increase firm agent [as: PP increases firm agent (Yantai Zhi Chu synthetic chemistry Co., Ltd)], antistatic slipping agent forms, the shared mass percent of each raw material is: polypropylene 82%, increase firm agent 10%, antistatic slipping agent 8%;
The material of subfunction layer is by COPP [atactic copolymerized polypropene (PP-R)] and SiO
2composition, the mass percent of each component is: SiO
2be 1%, COPP is 99%.
Described antioxidant is 1010 antioxidants.
Dispersant (enhancement of BOPP adhesive force) the Disper Ad3700+ that described dispersant provides for Tianjin, Shanghai Kun trade Co., Ltd.
Described antistatic slipping agent is smooth antistatic additive E-400 (Shangyu Java Macromolecule Material Co., Ltd.).
Preparation method of the present invention is: the raw material of apolegamy is sent into extruder and be processed into melt, melt becomes sheet (extrusion temperature is 200-260 ℃) by curtain coating slab co-extrusion, sheet becomes film through biaxial tension, film becomes female film through sided corona treatment or flame treatment, parent roll, through Ageing Treatment, finally cuts into BOPP coated heat sealer finished product.
The BOPP coated heat sealer surface polarity of the present invention corona value that rolls off the production line can reach 56 dyne (being that printing performance is good), within one month, corona value still can remain into 50 dyne above (a month corona value of common BOPP coated film can only reach 38 dyne), and impressionability has strengthened greatly.
BOPP coated heat sealer of the present invention is carried out to resistance to wiping experiment: BOPP coated heat sealer is made into label material (employing prior art), the wiping repeatedly that label printing face ethanol-tolerant is 100 times, printing surface pattern still line silk do not change and the position of wiping wrinkle resistant indeformable; And existing BOPP coated film is made into label material, the wiping repeatedly that label printing face ethanol-tolerant is 100 times, printing surface pattern fogs and the position of wiping is wrinkling, distortion; Illustrate that the present invention has the advantages that resistance to wiping properties is good.
BOPP coated heat sealer of the present invention is carried out to heat-sealing temperature experiment: experiment shows that heat-sealing temperature is 55-75 ℃, and the heat-sealing temperature of existing BOPP coated film is 100 ℃ of left and right, illustrates that the heat-sealing temperature of BOPP coated heat sealer of the present invention is low.
Embodiment 3:
As shown in Figure 1, BOPP coated heat sealer, it comprises functional layer, sandwich layer and subfunction layer, and sandwich layer is between functional layer and subfunction layer, and functional layer, sandwich layer and subfunction layer adopt after coextrusion through biaxial tension and integral; Functional layer, sandwich layer, the shared mass percent of subfunction layer are: functional layer 3%, sandwich layer 92%, subfunction layer 5%;
The material of functional layer is made up of ethyl acetate, C9 hydrogenation oil resin (or claiming C9 hydrogenated petroleum resin, hydrogenation C9 Petropols), polypropylene, polyvinyl alcohol, NaOH, antioxidant, dispersant, and the shared mass percent of each raw material is: ethyl acetate 55%, C9 hydrogenation oil resin 10%, polypropylene 18%, polyvinyl alcohol 13%, NaOH 2%, antioxidant 1%, dispersant 1%;
The material of sandwich layer by polypropylene (PP), increase firm agent [as C9 oil resin], antistatic slipping agent forms, the shared mass percent of each raw material is: polypropylene 78%, increase firm agent 12%, antistatic slipping agent 10%;
The material of subfunction layer is by COPP [low temperature crushing-resistant copolymerization polypropylene CPPJ] and SiO
2composition, the mass percent of each component is: SiO
2be 1%, COPP is 99%.
Described antioxidant is 1076 antioxidants.
The bright dispersant that described dispersant provides for the sub-Chemical Co., Ltd. of Shanghai Songyuan.
Described antistatic slipping agent is ethylene bis stearamide.
Preparation method of the present invention is: the raw material of apolegamy is sent into extruder and be processed into melt, melt becomes sheet (extrusion temperature is 200-260 ℃) by curtain coating slab co-extrusion, sheet becomes film through biaxial tension, film becomes female film through sided corona treatment or flame treatment, parent roll, through Ageing Treatment, finally cuts into BOPP coated heat sealer finished product.
The BOPP coated heat sealer surface polarity of the present invention corona value that rolls off the production line can reach 56 dyne (being that printing performance is good), within one month, corona value still can remain into 50 dyne above (a month corona value of common BOPP coated film can only reach 38 dyne), and impressionability has strengthened greatly.
BOPP coated heat sealer of the present invention is carried out to resistance to wiping experiment: BOPP coated heat sealer is made into label material (employing prior art), the wiping repeatedly that label printing face ethanol-tolerant is 100 times, printing surface pattern still line silk do not change and the position of wiping wrinkle resistant indeformable; And existing BOPP coated film is made into label material, the wiping repeatedly that label printing face ethanol-tolerant is 100 times, printing surface pattern fogs and the position of wiping is wrinkling, distortion; Illustrate that the present invention has the advantages that resistance to wiping properties is good.
BOPP coated heat sealer of the present invention is carried out to heat-sealing temperature experiment: experiment shows that heat-sealing temperature is 55-75 ℃, and the heat-sealing temperature of existing BOPP coated film is 100 ℃ of left and right, illustrates that the heat-sealing temperature of BOPP coated heat sealer of the present invention is low.
Embodiment 4:
Substantially the same manner as Example 1, difference is:
Increasing firm agent is C9 oil resin; COPP is low temperature crushing-resistant copolymerization polypropylene CPPJ.Described antioxidant is 1076 antioxidants.Described antistatic slipping agent is ethylene bis stearamide.
The performance of BOPP coated heat sealer is identical with embodiment 1.
Embodiment 5:
Substantially the same manner as Example 1, difference is: increasing firm agent is C5 oil resin; COPP is low temperature crushing-resistant copolymerization polypropylene CPPJ.Described antistatic slipping agent is fatty acid ester.
The performance of BOPP coated heat sealer is identical with embodiment 1.
Embodiment 6:
Substantially the same manner as Example 1, difference is: described antioxidant is 1076 antioxidants.The bright dispersant that described dispersant provides for the sub-Chemical Co., Ltd. of wide Shanghai Songyuan.Described antistatic slipping agent is grease acid amides.
The performance of BOPP coated heat sealer is identical with embodiment 1.
The present invention cited each raw material (comprising different molecular weight, different manufacturers) can be realized the present invention, does not enumerate embodiment at this.
Claims (5)
1.BOPP coated heat sealer, is characterized in that: it comprises functional layer, sandwich layer and subfunction layer, and sandwich layer is between functional layer and subfunction layer, and functional layer, sandwich layer and subfunction layer adopt after coextrusion through biaxial tension and integral; Functional layer, sandwich layer, the shared mass percent of subfunction layer are: functional layer 1～8%, sandwich layer 91～98%, subfunction layer 1～5%;
The material of functional layer is made up of ethyl acetate, C9 hydrogenation oil resin, polypropylene, polyvinyl alcohol, NaOH, antioxidant, dispersant, and the shared mass percent of each raw material is: ethyl acetate 55%, C9 hydrogenation oil resin 10%, polypropylene 18%, polyvinyl alcohol 13%, NaOH 2%, antioxidant 1%, dispersant 1%;
The material of sandwich layer by polypropylene (PP), increase firm agent, antistatic slipping agent forms, the shared mass percent of each raw material is: polypropylene 73～82%, increase firm agent 10～15%, antistatic slipping agent 8～12%;
The material of subfunction layer is by COPP and SiO
2composition, the mass percent of each component is: SiO
2be 1%, COPP is 99%.
2. BOPP coated heat sealer according to claim 1, is characterized in that: described antioxidant is 1010 antioxidants or 1076 antioxidants.
3. BOPP coated heat sealer according to claim 1, is characterized in that: described antistatic slipping agent is smooth antistatic additive E-400, ethylene bis stearamide, fatty acid ester or grease acid amides.
4. BOPP coated heat sealer according to claim 1, is characterized in that: increasing firm agent is that PP increases firm agent, C9 oil resin or C5 oil resin.
5. BOPP coated heat sealer according to claim 1, is characterized in that: COPP is block copolymerization polypropylene or atactic copolymerized polypropene.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210060755.1A CN102555381B (en) | 2012-03-09 | 2012-03-09 | Biaxially-oriented polypropylene (BOPP) coated heat sealable film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210060755.1A CN102555381B (en) | 2012-03-09 | 2012-03-09 | Biaxially-oriented polypropylene (BOPP) coated heat sealable film |
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| CN102555381A CN102555381A (en) | 2012-07-11 |
| CN102555381B true CN102555381B (en) | 2014-07-09 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600554A (en) * | 2013-10-21 | 2014-02-26 | 界首市天鸿包装材料有限公司 | CPP twist wrap film with memory function |
| CN104149463B (en) * | 2014-07-14 | 2016-03-23 | 湖北富思特材料科技集团有限公司 | BOPE brilliant white coated film |
| CN104139579A (en) * | 2014-07-14 | 2014-11-12 | 湖北富思特材料科技集团有限公司 | BOPP (biaxially-oriented polypropylene) matt white coating film |
| CN113650435A (en) * | 2021-06-29 | 2021-11-16 | 海南赛诺实业有限公司 | Preparation method of structural color polypropylene packaging film |
| CN116533615B (en) * | 2023-04-20 | 2024-07-09 | 湖北富思特材料科技集团有限公司 | BOPP (biaxially-oriented polypropylene) coated photochromic film and preparation method and application thereof |
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| CN101774289A (en) * | 2009-12-31 | 2010-07-14 | 广东威孚包装材料有限公司 | Casting compound type CPP aluminum-base plated film |
| CN102059836A (en) * | 2010-10-11 | 2011-05-18 | 中山火炬职业技术学院 | Thermal shrinkage biaxially oriented film |
| GB2479561A (en) * | 2010-04-14 | 2011-10-19 | Innovia Films Ltd | Coextruded facestock film, for label, including tie layer and printable polyester skin |
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2012
- 2012-03-09 CN CN201210060755.1A patent/CN102555381B/en active Active
Patent Citations (3)
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|---|---|---|---|---|
| CN101774289A (en) * | 2009-12-31 | 2010-07-14 | 广东威孚包装材料有限公司 | Casting compound type CPP aluminum-base plated film |
| GB2479561A (en) * | 2010-04-14 | 2011-10-19 | Innovia Films Ltd | Coextruded facestock film, for label, including tie layer and printable polyester skin |
| CN102059836A (en) * | 2010-10-11 | 2011-05-18 | 中山火炬职业技术学院 | Thermal shrinkage biaxially oriented film |
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