CN1616215A - Method for producing antiwear cigarette packing polypropylene film through coextruding heat sealing and two-way stretching - Google Patents
Method for producing antiwear cigarette packing polypropylene film through coextruding heat sealing and two-way stretching Download PDFInfo
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- CN1616215A CN1616215A CN 200410065497 CN200410065497A CN1616215A CN 1616215 A CN1616215 A CN 1616215A CN 200410065497 CN200410065497 CN 200410065497 CN 200410065497 A CN200410065497 A CN 200410065497A CN 1616215 A CN1616215 A CN 1616215A
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- film
- antiwear
- polypropylene
- top layer
- heat sealing
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Abstract
The production process includes selecting binary polypropylene copolymer with high surface hardness as the basic surface material; adding polymethyl methacrylate elastomer in 0.1-1 wt% into the surface material; adding surface complexing treated glass bead as antistick material in 0.1-1 wt% into the surface material; and longitudinally and transversely stretching to regulate and raise crystallization degree and control the separation speed of the core layer additive. The present invention has the advantages of reducing or eliminating cigarette package wear and making the cigarette package good in look.
Description
Technical field:
The present invention relates to the preparation method of a kind of cigarette with Wrapping films.Especially relate to the method for making of a kind of coextruding heat sealing and two-way stretching polypropylene antiwear cigarette with packing film.Belong to field of packaging material.
Background technology:
For a long time, exist because of transportation, dispensing cause friction at the external packing face of cigarette bar bag and parcel, form a white powder shape outward appearance round and round, its distributing position is fixing, and tobacco business generally is referred to as " mill flower " phenomenon.This phenomenon is particularly evident on dark box skin.There is not at present other ripe scheme in industry.The tobacco bale that mill was spent has destroyed the original decoration result of tobacco bale and attractive in appearance, makes the consumer produce bad sense.
Summary of the invention:
The objective of the invention is to overcome above-mentioned deficiency, provide a kind of and can alleviate or eliminate the phenomenon that tobacco bale plays the mill flower, the coextruding heat sealing and two-way stretching polypropylene antiwear cigarette method for making of packing film that improves the attractive packages degree of tobacco bale.
The object of the present invention is achieved like this: a kind of coextruding heat sealing and two-way stretching polypropylene antiwear cigarette method for making of packing film is characterized in:
1, select for use the binary copolymerization polypropylene to seal base material as the film top layer:
2, adding accounts for the polymethyl methacrylate elastomer of material gross weight 0.1～1% as stressed cushion in film top layer heat-sealing base material;
3, in film top layer heat-sealing base material, add the glass microsphere that accounts for material gross weight 0.1～1%, as anti-stick material through the surface complexation processing;
4, adjust the longitudinal stretching and the horizontal position stretching process parameter of film production: the longitudinal stretching multiple is 5～7, and draft temperature is 70～90 ℃; The cross directional stretch multiple is 6～10, and draft temperature is 140～155 ℃.
Because compatibility is bad between glass and the polypropylene (PP), thus before adding, glass microsphere must be carried out surface treatment with complexing agent, to increase the compatibility between itself and the polypropylene.It is concrete that too acid esters and binary copolymerization polypropylene melt extrude blend and carry out the surface complexation processing with complexing agent isopropyl three stearyls.
In method for making: selecting for use the harder binary copolymerization polypropylene of quality as film top layer heat-sealing base material, is in order to increase film surface hardness, the chip of reducing friction; Select the polymethyl methacrylate elastomer for use, the impact force in the transportation is cushioned the impact force of reducing friction; As the anti-stick material in surface, because glass microsphere is a circular granular, its shape is very regular with glass microsphere, reduced friction, made the antiplastering aid neat appearance, film surface is similar rolling friction, reduce contact area, the light transmittance of glass is fine simultaneously, can not influence the optical property of film; Adjust the longitudinal stretching and the horizontal position stretching process parameter of film production, improve film longitudinal stretching and cross directional stretch multiplying power, reduce draft temperature, to improve degree of crystallinity, raising film surface hardness, control sandwich layer auxiliary agent speed of separating out.
Observe the face of mill flower by transmission electron microscope, the SEM of high multiple, mill flower position mainly is the chip of the fracture of sharp-pointed position, bipolymer of some antiplastering aids and the emulsion that the antistatic body agent suction of separating out forms.
Therefore, utilize coextruding heat sealing and two-way stretching polypropylene antiwear cigarette cigarette bar bag or parcel to be packed, can alleviate or eliminate the phenomenon that tobacco bale plays the mill flower, satisfy the requirement of the wear-resistant flower of tobacco bale with packing film, make the printed patterns of cigarette case fineness obtain clear reproduction, make the cleaning of tobacco bale outward appearance attractive in appearance.
The specific embodiment:
The present invention is the method for making of a kind of coextruding heat sealing and two-way stretching polypropylene antiwear cigarette with packing film.Be characterized in:
1, select for use the binary copolymerization polypropylene as film top layer heat-sealing base material;
2, in film top layer heat-sealing base material, add polymethyl methacrylate (PMMA) elastomer that accounts for material gross weight 0.1～1%;
3, add the glass microsphere of handling through surface complexation that accounts for material gross weight 0.1～1% in film top layer heat-sealing base material, too acid esters and binary copolymerization polypropylene melt extrude blend and carry out surface treatment with complexing agent isopropyl three stearyls before adding;
4, adjust the longitudinal stretching and the horizontal position stretching process parameter of film production: the longitudinal stretching multiple is 5～7, and draft temperature is 70～90 ℃; The cross directional stretch multiple is 6～10, and draft temperature is 140～155 ℃.
Claims (2)
1, a kind of coextruding heat sealing and two-way stretching polypropylene antiwear cigarette method for making of packing film is characterized in that:
1), select for use the binary copolymerization polypropylene as film top layer heat-sealing base material;
2), in film top layer heat-sealing base material, add the polymethyl methacrylate elastomer that accounts for material gross weight 0.1～1%;
3), in film top layer heat-sealing base material, add the glass microsphere that accounts for material gross weight 0.1～1% through the surface complexation processing;
4), adjust the longitudinal stretching and the cross directional stretch technological parameter of film production: the longitudinal stretching multiple is 5～7, and draft temperature is 70～90 ℃; The cross directional stretch multiple is 6～10, and draft temperature is 140～155 ℃.
2, a kind of coextruding heat sealing and two-way stretching polypropylene antiwear cigarette according to claim 1 is with the method for making of packing film, and its characteristics are that too acid esters and binary copolymerization polypropylene melt extrude blend glass microsphere is carried out the surface complexation processing with complexing agent isopropyl three stearyls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100654971A CN1302909C (en) | 2004-12-06 | 2004-12-06 | Method for producing antiwear cigarette packing polypropylene film through coextruding heat sealing and two-way stretching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100654971A CN1302909C (en) | 2004-12-06 | 2004-12-06 | Method for producing antiwear cigarette packing polypropylene film through coextruding heat sealing and two-way stretching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1616215A true CN1616215A (en) | 2005-05-18 |
| CN1302909C CN1302909C (en) | 2007-03-07 |
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ID=34764704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100654971A Active CN1302909C (en) | 2004-12-06 | 2004-12-06 | Method for producing antiwear cigarette packing polypropylene film through coextruding heat sealing and two-way stretching |
Country Status (1)
| Country | Link |
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| CN (1) | CN1302909C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103890050A (en) * | 2011-10-17 | 2014-06-25 | H.B.富勒公司 | Hollow glass micro particles used as anti-blocking system in hot melts |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4006402A1 (en) * | 1990-03-01 | 1991-09-05 | Wolff Walsrode Ag | High-slip, drawn polypropylene film, for transparent packaging - contains mixts. of poly-iso-butyl-methacrylate! and poly-methyl-methacrylate as antiblocking agent, with antistatics and lubricants |
| CN1226906A (en) * | 1997-03-28 | 1999-08-25 | 三井化学株式会社 | Triblock oligomers, thermoplastic resin compositions, and antifog moldings |
| KR20010013586A (en) * | 1997-06-10 | 2001-02-26 | 데니스 피. 산티니 | Uniaxially shrinkable biaxially oriented polypropylene film and method for use as tobacco pack overwrap |
| DE69903592T2 (en) * | 1998-06-03 | 2003-08-14 | Japan Polychem Corp., Tokio/Tokyo | Polyolefin resin composition and stretched film made therefrom |
| KR20020077988A (en) * | 2001-04-03 | 2002-10-18 | 한국지이폴리머랜드 유한회사 | Polymer Resin for Ion Beam or Ion Injection Treatment to give Surface conductiveness |
| CN100387420C (en) * | 2001-05-02 | 2008-05-14 | 海南赛诺实业有限公司 | Bidirectionally extensible polypropylene film for cigarettes and its preparing process |
| CN1201922C (en) * | 2003-01-30 | 2005-05-18 | 江苏中达新材料集团股份有限公司 | Method for preparing thin film to pack cigarette packages without paper box by two-way stretching polypropylene sheet, squeezing and heat sealing procedures |
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2004
- 2004-12-06 CN CNB2004100654971A patent/CN1302909C/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103890050A (en) * | 2011-10-17 | 2014-06-25 | H.B.富勒公司 | Hollow glass micro particles used as anti-blocking system in hot melts |
| CN103890050B (en) * | 2011-10-17 | 2018-03-09 | H.B.富勒公司 | Double glazing particulate as resist blocking and that system in hot melt |
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| Publication number | Publication date |
|---|---|
| CN1302909C (en) | 2007-03-07 |
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Address after: Shen Gang Town Cheng Road 214443 Jiangsu city of Jiangyin Province, No. 999 Patentee after: JIANGYIN ZHONGDA FLEXIBLE PLASTIC NEW MATERIALS CO., LTD. Address before: Shen Gang Town Cheng Road 214443 Jiangsu city of Jiangyin Province, No. 999 Patentee before: Zhongda Soft Plastic New Material Co., Ltd., Jiangyin City |