Biodegradable starch membrane material and membrane thereof

A starch film and biological technology, applied in the field of biodegradable starch film material and its film, can solve the problems of high strength and rigidity of polylactic acid, and achieve the effect of reducing pollution

Inactive Publication Date: 2018-02-23
MITAC PRECISION TECH(KUNSHAN) CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, polylactic acid has high strength and rigidity, and the preparation of flexible films must toughen and modify polylactic acid.

Method used

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  • Biodegradable starch membrane material and membrane thereof
  • Biodegradable starch membrane material and membrane thereof
  • Biodegradable starch membrane material and membrane thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030]

[0031] Stir the lubricant, compatibilizer, antioxidant and starch for pretreatment first, weigh them in proportion and place them in a high-speed mixer for high-speed mixing, take them out for use; mix the stirred powder, polylactic acid resin, soft The degradable polyester is processed in an extruder to pump particles; the particles are dried in a hot air circulation oven at 80°C for 4 hours.

Embodiment 2

[0033]

[0034] Stir the lubricant, compatibilizer, antioxidant and starch for pretreatment first, weigh them in proportion and place them in a high-speed mixer for high-speed mixing, take them out for use; mix the stirred powder, polylactic acid resin, soft The degradable polyester is processed in an extruder to pump particles; the particles are dried in a hot air circulation oven at 80°C for 4 hours.

Embodiment 3

[0036]

[0037]

[0038] Stir the lubricant, compatibilizer, antioxidant and starch for pretreatment first, weigh them in proportion and place them in a high-speed mixer for high-speed mixing, take them out for use; mix the stirred powder and soft degradable polyester The particles were processed in an extruder; the particles were dried in a hot air circulation oven at 80° C. for 4 hours.

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Abstract

The invention relates to the technical field of high molecular materials and specifically relates to a biodegradable starch membrane material and a membrane thereof. The biodegradable starch membranematerial is prepared from polylactic resin, a soft degradable material, a starch and a related additive. The biodegradable starch membrane is membrane generated by processing the biodegradable starchmembrane material. According to the biodegradable starch membrane material and the membrane thereof disclosed by the invention, the strength, the softness and the appearance of the membrane prepared from the material all can meet requirements, the membrane material also can replace traditional membrane materials, white garbage pollution is further reduced, market requirements can be met, and the membrane material can be widely applied to varieties of package bags of stationery bags, food bags, gift bags, clothes bags, garbage bags and the like.

Description

【Technical field】 [0001] The invention relates to the technical field of polymer materials, in particular to a biodegradable starch film material and a film thereof. 【Background technique】 [0002] At present, white pollution has brought huge social and ecological problems to people. The best way to solve this problem is to research and develop new degradable plastic films. Common degradable materials such as polylactic acid (PLA), polybutylene succinate (PBS), polybutylene succinate adipate (PBSA), polybutylene adipate-terephthalate Esters (PBAT), polyvinyl alcohol (PVA), starch, etc. [0003] Among them, polylactic acid is fermented by crop corn to obtain lactic acid, which is further chemically synthesized, and can be completely degraded into carbon dioxide and water, and finally realizes the recycling of ecological resources, which is suitable for the preparation of biodegradable films. However, polylactic acid has high strength and rigidity, and it is necessary to tou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L67/04C08L3/02C08L29/04C08L23/08C08K5/20C08K5/09C08K5/103C08K5/18C08K5/526
CPCC08L67/02C08L2201/06C08L2203/16C08L2205/02C08L2205/025C08L2205/035C08L67/04C08L3/02C08L29/04C08L23/0869C08K5/20C08K5/09C08K5/103C08K5/18C08K5/526
Inventor 张莉
Owner MITAC PRECISION TECH(KUNSHAN) CORP
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