Heat-shrinkable degradable environment-friendly film material as well as preparation method and application method

A film material and application method technology, applied in the direction of packaging paper shrinkage, sustainable manufacturing/processing, sustainable packaging industry, etc., can solve equipment research and development, operation, maintenance, increased use costs, unfavorable wide use of enterprises, and low shrinkage rate Advanced problems, to achieve the effect suitable for large-scale industrial production, good blow molding effect, simple process and equipment

Pending Publication Date: 2021-06-29
珠海横琴辉泽丰包装科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Traditional non-degradable heat-shrinkable films are often used in the packaging of tableware, and the large amount of use will cause environmental pollution; while some degradable heat-shrinkable films have low shrinkage rates and cannot achieve the effect of traditional non-degradable he

Method used

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  • Heat-shrinkable degradable environment-friendly film material as well as preparation method and application method
  • Heat-shrinkable degradable environment-friendly film material as well as preparation method and application method
  • Heat-shrinkable degradable environment-friendly film material as well as preparation method and application method

Examples

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Comparison scheme
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Example Embodiment

[0023] Example 1:

[0024] In the present embodiment, a heat shrinkable degradable environmentally friendly film material is proportional to the polymerization of PBAT and PLA, and the environmentally friendly film material is percentage of weight. The PBAT is from 10% to 30%, the PLA is from 65% to 85%, and the aid is 0.2-5%.

[0025] The auxiliary agent includes a wax, a coupling agent, a chain extender, an aperture and a smooth slide, from 0 to 1% by weight of the percent, from 0-1%, the chain extender It is 0.1-1%, and the opening agent is 0.1 to 1%, and the slewing agent is 0-1%.

[0026] Among them, the PLA (polylactic acid) is a new type of bio-based, renewable biodegradable material, made of starch raw materials proposed using renewable plant resources (such as corn, cassava, etc.). The starch raw material is glucose via a saccharification, and then a high purity lactic acid is fermented by glucose and a certain strain, and then a polylactic acid having a certain molecular...

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Abstract

The invention provides a heat-shrinkable degradable environment-friendly film material which is prepared by blending and modifying PBAT and PLA in proportion under the action of auxiliaries, wherein the auxiliaries comprise wax, a coupling agent, a chain extender, an anti-blocking agent and a slipping agent. According to the invention, the PBAT material with good biodegradability, biocompatibility and high elongation at break and the PLA material with high hardness, high transparency and low elongation rate are modified and mixed under the action of the auxiliaries to obtain the biodegradable compostable environment-friendly film material with thermal shrinkage performance. The process and equipment for preparing the environment-friendly film material are simple, and are very suitable for large-scale industrial production. The heat-shrinkable degradable environment-friendly film material can be used to prepare a packaging film with good blow molding effect, good thermal shrinkage, good stiffness and good toughness, and can also be applied to packaging films, industrial materials and the like.

Description

technical field [0001] The invention relates to the technical field of degradable environmental protection materials, in particular to a heat-shrinkable degradable environmental protection film material, a preparation method and an application method. Background technique [0002] At present, with the attention of human beings to the environment and the implementation of the global ban on plastics, degradable packaging films are the hottest packaging materials in the market, and are gradually replacing non-degradable plastic films, and put forward more functional requirements for degradable films. Especially for the requirements of heat shrinkable packaging and shrinkable labels, etc., there are functional deficiencies in single materials such as PBAT, PLA, PBS, PPC, etc. Make performance improvements. [0003] Traditional non-degradable heat-shrinkable films are often used in the packaging of tableware, and the large amount of use will cause environmental pollution; while ...

Claims

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Application Information

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IPC IPC(8): C08L67/04C08L67/02C08L91/06C08K5/20C08K5/54C08K5/10C08J5/18B65D65/46B65B53/02B65B61/06
CPCC08J5/18B65D65/466B65B53/02B65B61/06C08J2367/04C08J2367/02C08J2491/06C08K5/20C08K5/54C08K5/10Y02W90/10
Inventor 辜伟悦
Owner 珠海横琴辉泽丰包装科技有限公司
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