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Anti-static shockproof wrapping film and production process thereof

A production process and wrapping film technology, applied in coatings, powder coatings, epoxy resin coatings, etc., can solve the problems of easy generation of static electricity, effective protection, no shock resistance, etc., and achieve the effect of improving barrier performance and increasing antibacterial properties

Active Publication Date: 2021-10-08
江苏弘奇金属科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, stretch film is mainly used in the sales and transportation of products, and the raw material is polyethylene. Polyethylene is a thermoplastic engineering plastic with a linear structure and excellent overall performance. It develops rapidly, uses a large amount, is difficult to degrade naturally, and is environmentally friendly. Model production requirements are not met
The current stretch film is light and thin, does not have the effect of shockproof, and has problems such as easy generation of static electricity, poor toughness, and easy damage, so it cannot effectively protect the product.

Method used

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  • Anti-static shockproof wrapping film and production process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] S1: Prepare the substrate

[0049] (1) The mass ratio of nanocrystalline cellulose, methyl amyl alcohol, and glucose is 9:3:1 and mixed with deionized water, ultrasonically dispersed, and then added with a concentration of 0.01mol / L silver ammonia solution, hydrothermally heated at 95°C React, continue to stir for 10 minutes, centrifuge after cooling, wash with water until neutral, dry in vacuum, pulverize and refine to obtain hybrid nanocrystalline cellulose;

[0050] (2) Ultrasonic dispersion of polylactic acid and succinic anhydride with a mass and number ratio of 12:0.1, mixed and stirred, and repeated granulation by an extrusion granulator to obtain polylactic acid masterbatches;

[0051] (3) The content of hybrid nanocrystalline cellulose in the base material is 1%, according to the mass and number ratio of polylactic acid, polyadipate-butylene terephthalate, and succinic anhydride is 12:38:0.1, the Polybutylene adipate-terephthalate, polylactic acid masterbatch,...

Embodiment 2

[0062] S1: Prepare the substrate

[0063] (1) The mass ratio of nanocrystalline cellulose, polyacrylamide, and glucose is 10:3:3, mix and stir with deionized water, ultrasonically disperse, then add silver ammonia solution with a concentration of 0.08mol / L, and react hydrothermally at 80°C , continuously stirred for 30 min, centrifuged after cooling, washed with water until neutral, dried in vacuum, pulverized and refined to obtain hybrid nanocrystalline cellulose;

[0064] (2) Ultrasonic dispersion of polylactic acid and succinic anhydride with a mass and number ratio of 12:0.2, mixed and stirred, and repeated granulation by an extrusion granulator to obtain polylactic acid masterbatches after 3 times;

[0065] (3) The content of hybrid nanocrystalline cellulose in the base material is 3%, according to the mass fraction ratio of polylactic acid, polyadipate-terephthalate, and succinic anhydride being 12:38:0.2, Mix polybutylene adipate-terephthalate, polylactic acid masterba...

Embodiment 3

[0076] S1: Prepare the substrate

[0077] (1) Mix and stir nanocrystalline cellulose, sodium lauryl sulfate, and glucose with deionized water at a mass ratio of 11:3:5, ultrasonically disperse, and then add a solution of silver ammonia with a concentration of 0.1mol / L. Under hydrothermal reaction, continue to stir for 60 minutes, after cooling, centrifuge, wash with water until neutral, vacuum dry, pulverize and refine to obtain hybrid nanocrystalline cellulose;

[0078] (2) Ultrasonic dispersion of polylactic acid and succinic anhydride with a mass and number ratio of 12:0.3, mixed and stirred, and repeated granulation by an extrusion granulator for 3 times to obtain polylactic acid masterbatches;

[0079] (3) The content of hybrid nanocrystalline cellulose in the base material is 8%, according to the ratio of mass and number of polylactic acid, polyadipate-terephthalate, and succinic anhydride to 12:38:0.3, Mix polybutylene adipate-terephthalate, polylactic acid masterbatch...

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Abstract

The invention provides an anti-static shockproof wrapping film and a production process thereof. The wrapping film comprises a protective layer, an anti-static layer, a shockproof layer and a base material. According to the production process of the wrapping film, a modified polylactic acid and poly (butylene adipate-co-terephthalate) composite material is used as a base material, and the base material is modified with hybrid nanocrystalline cellulose, so that the base material is non-toxic and easy to degrade; the base material is coated with solvent-free foamed polyurethane in a blade coating mode to serve as a shockproof layer, then water bath heating is conducted, isocyanate-terminated groups contained in the foamed polyurethane react with water to form compact micropores in the surface of the base material, a damping effect is achieved, and the mechanical strength of the shockproof layer is improved by adding nano molybdenum dioxide; and the shockproof layer is coated with an anti-static coating to serve as an anti-static layer, the anti-static layer is coated with modified phenolic resin to serve as a protective layer, and the phenolic resin is modified through graphene oxide in the protective layer.

Description

technical field [0001] The invention relates to the field of packaging materials, in particular to an antistatic and shockproof stretch film and a production process thereof. Background technique [0002] Stretch film, also known as stretch film or heat shrinkable film, is usually made of high molecular polymer materials such as PE and PP, with additives added, and made by tape casting or blow molding. Stretch film has the advantages of high tensile strength and good tear resistance, and is widely used in the field of packaging materials. [0003] At present, stretch film is mainly used in the sales and transportation of products, and the raw material is polyethylene. Polyethylene is a thermoplastic engineering plastic with a linear structure and excellent overall performance. It develops rapidly, uses a large amount, is difficult to degrade naturally, and is environmentally friendly. Model production requirements were not met. The current stretch film is light and thin, d...

Claims

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Application Information

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IPC IPC(8): C08J5/18C08L67/02C08L67/04C08L1/04C08K3/08C08J7/04C09D175/06C09D7/61C08J7/044C09D163/00C09D5/03C09D7/62C09D161/10
CPCC08J5/18C08J7/0427C09D175/06C09D7/61C08J7/044C09D163/00C09D5/033C09D7/70C09D161/06C08J7/042C08J2367/02C08J2467/04C08J2401/04C08J2475/06C08J2463/00C08J2461/10C08K2003/0806C08K2003/2255C08K2003/2241C08K2201/011C08K2201/017C08K3/22C08K13/06C08K9/12C08K3/08C08K7/14C08K7/06C08K3/042C08K7/28C08K3/36Y02W90/10
Inventor 崔文进吴仁秀邹晓俊
Owner 江苏弘奇金属科技有限公司