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Preparation of biological degradation resin composite and modified special resin and product forming process

A biodegradable resin and molding processing technology, which is applied in the field of biodegradable resin compounding and modified special resin preparation and molding technology, can solve the problems of performance difference, complex preparation process of processing and molding equipment, and high price, so as to achieve low cost and enhanced Rigid, adaptable effect

Inactive Publication Date: 2006-11-08
邓国权 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Today, biodegradable polylactic acid, polycaprolactone, polybutylene succinate and other copolyesters have been successfully developed and have entered the quasi-mass production period, but due to the high price and certain performance differences , the special requirements of processing and forming equipment and the disadvantages of complex preparation process cannot be accepted by the market.

Method used

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  • Preparation of biological degradation resin composite and modified special resin and product forming process

Examples

Experimental program
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Effect test

Embodiment 1

[0043] Example 1: Biodegradable resin composite and modified injection molding special resin A# formula consists of the following components in weight percentage: PBS 40%, PLA 10%, modified starch 30%, activated inorganic filler 19.85% and additives 0.15%.

Embodiment 2

[0044] Example 2: biodegradable resin composite and modified injection molding special resin B# formula consists of the following components in weight percent: PBS 25%, PLA 25%, modified starch 35%, activated inorganic filler 14.75% and additives 0.25%.

Embodiment 3

[0045] Example 3: biodegradable resin composite and modified injection molding special resin C# formula consists of the following components by weight percentage: PBS 10%, PLA 60%, activated inorganic filler 29.5%, additive additive 0.5%.

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Abstract

The present invention relates to compounding of biodegradable polymer of PBS and PLA, and is compound modified biodegradable resin and its preparing and molding process. Through stuffing modification with modified starch and activated inorganic stuffing, special resin material is obtained. The special resin material may be formed in different modes and in different machines, and the product may be used in the temperature range from -20deg.c to 105deg.c and has excellent performance and 90 days biodegrading rate over 90 %.

Description

technical field [0001] The invention relates to a biodegradable resin composite and modified special resin preparation and molding process. Background technique [0002] The development of my country's degradable materials in the 20th century has roughly gone through the following stages: [0003] I) During the 1970s and 1980s, research on additive photolysis of photosensitizers in common plastic resins [0004] II) Application and market development of photodegradable plastics in the mid-1980s [0005] III) 1990-1995, bi-(photo / bio)degradable plastics [0006] IV) After 1995, the market application, inspection and modification of various photo / biodegradable plastic products. Because most of these degradable materials that are popularized and applied use petroleum resin as a carrier, which is a partially degradable material, the remaining large amount of polyolefins cannot be degraded in the soil for hundreds of years, resulting in the destruction of the soil structure an...

Claims

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Application Information

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IPC IPC(8): C08L67/02B29B9/12B29C47/40C08K3/26C08K3/36C08K9/00C08L3/04C08L67/04
Inventor 邓国权莫启民许国志陈宇
Owner 邓国权
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