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A kind of biodegradable polymer alloy

A technology of biodegradation and polymer, which is applied in the field of biodegradable polymer alloy compatibilizer and its preparation, can solve the problems of failure to meet the use requirements, deterioration of material mechanical properties, poor resin compatibility, etc., and achieve the goal of maintaining biological Effects of degradation characteristics, improvement of melt strength, improvement of processing and performance

Active Publication Date: 2021-06-04
JINYOUNG XIAMEN ADVANCED MATERIALS TECH CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

At the same time, due to the poor compatibility between the commonly used biodegradable materials, the mechanical properties of the materials are deteriorated and cannot meet the requirements of use, such as PLA is incompatible with PBAT, PCL, PBS, etc., thermoplastic starch TPS and PLA, PBAT, Poor compatibility with resins such as PBS

Method used

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Embodiment Construction

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will be clearly and completely described in conjunction with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than Full examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] The present invention also provides the embodiment of biodegradable polymer alloy compatibilizer as shown in the table below:

[0022] Table 1

[0023] Example 1 Example 2 Example 3 Example 4 Comparative example 1 polyhydroxyalkanoate 25 40 55 50 90 polylactic acid 40 25 25 20 0 polybutylene succinate 35 15 25 35 0 lubricant...

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Abstract

The invention relates to the field of biodegradable polymer materials, in particular to a biodegradable polymer alloy compatibilizer and a preparation method thereof; the compatibilizer includes the following raw materials in proportions by weight: 25-90 parts of polyhydroxyalkanoate; 25-80 parts of lactic acid; 5-50 parts of polybutylene succinate; 0.1-3 parts of lubricant; 0.1-5 parts of active substance. The biodegradable polymer alloy compatibilizer of the present invention ensures the dispersion and reaction of reactive substances, and can ensure that the compatibilizer can continue to compatibilize the blended polymer and reduce the size of the dispersed phase during low-temperature processing. , to improve the processing and performance of biodegradable polymer alloys; for incompatible biodegradable alloy systems, it can improve melt strength, toughness, and material transparency; at the same time, it can broaden the scope of biodegradable polymer alloy materials in injection molding, It can be used in film blowing, casting, extrusion, foaming and other processing fields, and can maintain the biodegradable properties of materials, which has important practical application value.

Description

technical field [0001] The invention relates to the field of biodegradable polymer materials, in particular to a biodegradable polymer alloy compatibilizer and a preparation method thereof. Background technique [0002] While traditional plastics bring convenience to people's lives, they also cause serious environmental problems. The use of biodegradable materials provides a new solution for waste plastics. A single biodegradable polymer often cannot meet the use of conventional products. For example, films made of PBAT and PPC resins are soft and lack stiffness. High brittleness, it is necessary to add tough materials such as PBS, PCL, etc. to improve toughness. At the same time, due to the poor compatibility between the commonly used biodegradable materials, the mechanical properties of the materials are deteriorated and cannot meet the requirements of use, such as PLA is incompatible with PBAT, PCL, PBS, etc., thermoplastic starch TPS and PLA, PBAT, Resins such as PBS h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L67/04C08L67/02C08L1/02C08L3/02
Inventor 吴腾达付顺成王伟龚建郭永新
Owner JINYOUNG XIAMEN ADVANCED MATERIALS TECH CO LTD
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