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High-performance polyglycolic acid-based composite material and preparation method thereof

A technology of polyglycolic acid and composite materials, applied in the field of polymer processing, can solve the problems such as improvement of toughness and heat resistance that are not mentioned, and achieve the effects of improving interfacial interaction force, good crystallization, and promoting crystallization

Inactive Publication Date: 2021-07-09
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

CN107903599A uses nano-inorganic fillers and reinforcing fibers to improve the mechanical properties of polyglycolic acid, but does not mention its simultaneous improvement of toughness and heat resistance

Method used

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  • High-performance polyglycolic acid-based composite material and preparation method thereof
  • High-performance polyglycolic acid-based composite material and preparation method thereof
  • High-performance polyglycolic acid-based composite material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0038] 20 parts of polyadipate / butylene terephthalate, 3 parts of ethylene-vinyl acetate-glycidyl methacrylate copolymer (glycidyl methacrylate mass content is 8%) were pre-prepared at room temperature. Mix evenly, add to an internal mixer and blend for 4 minutes (blending temperature is 190°C) to obtain a blend masterbatch;

[0039] 80 parts of polyglycolic acid, 23 parts of the above-mentioned blending masterbatch, 0.1 part of chain extender ADR4370, 20 parts of talcum powder activated by silane coupling agent KH550, 0.5 parts of polyethylene wax, tetrakis [β-(3,5-di 0.3 parts of tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol ester, premixed evenly at room temperature, then the premixed material was added into the twin-screw extruder from the main feeding port, and passed through continuous melt extrusion, granulation (The temperature of the screw is 230° C., the rotational speed of the screw is 200 rpm), and a high-performance polyglycolic acid-based composite ma...

Embodiment 2

[0042] 20 parts of polyadipate / butylene terephthalate, 1 part of ethylene-vinyl acetate-glycidyl methacrylate copolymer (glycidyl methacrylate mass content is 8%) were pre-prepared at room temperature. Mix evenly, add to an internal mixer and blend for 4 minutes (blending temperature is 190°C) to obtain a blend masterbatch;

[0043] 80 parts of polyglycolic acid, 23 parts of the above-mentioned blending masterbatch, 0.1 part of chain extender ADR4370, 20 parts of talcum powder activated by silane coupling agent KH550, 0.5 parts of polyethylene wax, tetrakis [β-(3,5-di 0.3 parts of tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol ester, premixed evenly at room temperature, then the premixed material was added into the twin-screw extruder from the main feeding port, and passed through continuous melt extrusion, granulation (The temperature of the screw is 230° C., the rotational speed of the screw is 200 rpm), and a high-performance polyglycolic acid-based composite mat...

Embodiment 3

[0046] Premix 20 parts of polyadipic acid / butylene terephthalate, 3 parts of ethylene-vinyl acetate-glycidyl methacrylate copolymer (glycidyl methacrylate mass content is 8%) at room temperature Evenly, add to the internal mixer and blend for 6 minutes (the blending temperature is 190°C) to obtain a blending masterbatch;

[0047] 80 parts of polyglycolic acid, 23 parts of the above-mentioned blending masterbatch, 0.1 part of chain extender ADR4370, 20 parts of talcum powder activated by silane coupling agent KH550, 0.5 parts of polyethylene wax, tetrakis [β-(3,5-di 0.3 parts of tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol ester, premixed evenly at room temperature, then the premixed material was added into the twin-screw extruder from the main feeding port, and passed through continuous melt extrusion, granulation (The temperature of the screw is 230° C., the rotational speed of the screw is 200 rpm), and a high-performance polyglycolic acid-based composite materi...

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Abstract

The invention discloses a high-performance polyglycolic acid-based composite material and a preparation method thereof, and belongs to the technical field of polymer processing. A compatilizer is added, so that the interfacial interaction force between a polyglycolic acid matrix and degradable polyester B is remarkably improved, and the toughening effect of the degradable polyester B is further remarkably improved in cooperation with a specific blending process; in addition, an added functional filler is subjected to an in-situ reaction with a polyglycolic acid matrix, so that dispersion is promoted, a crystallization effect is favorably provided, and the heat resistance of the composite material is better improved. The polyglycolic acid composite material disclosed by the invention is high in material toughness, strength and heat resistance, and can be applied to the field of equipment manufacturing and packaging of high-performance degradable materials.

Description

technical field [0001] The invention relates to a high-performance polyglycolic acid-based composite material and a preparation method thereof, belonging to the technical field of polymer processing. Background technique [0002] With the improvement of people's living standards, plastic products have penetrated into all fields of the national economy. Traditional plastic products such as polyethylene and polypropylene have strong stability and are difficult to degrade when discarded in nature. The garbage produced has brought huge negative impacts on the ecological environment and water resources. The development of fully biodegradable polymers to replace traditional plastic products is one of the effective ways to solve the above problems, and a lot of research has been done in recent years. [0003] At present, the main biodegradable plastics on the market are polylactic acid (PLA), polybutylene adipate / terephthalate (PBAT), polybutylene succinate (PBS), polysuccinate- ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/04C08L67/02C08L23/08C08K9/06C08K3/34
CPCC08L67/04C08L2201/06C08L2201/08C08L2205/03C08L2205/08C08L67/02C08L23/0884C08K9/06C08K3/34
Inventor 马丕明钮德宇杨伟军徐鹏武
Owner JIANGNAN UNIV
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