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生物降解塑料的原材料有哪些

生物降解塑料的原材料有哪些

来源网址:https://www.swjjkl.com/ 2022-08-11 16:20:16    

根据原材料的不同,常见的生物降解塑料至少有以下几种:

According to different raw materials, there are at least the following types of Biodegradable Plastics:
聚己内酯(PCL)
Polycaprolactone (PCL)
这种塑料具有良好的生物降解性,熔点是62℃。分解它的微生物广泛地分布在喜气或厌气条件下。作为可生物降解材料可把它与淀粉、纤维素类的材料混合在一起,或与乳酸聚合使用。
This kind of plastic has good biodegradability and its melting point is 62 ℃. The microorganisms decomposing it are widely distributed under the conditions of euphoria or anorexia. As a biodegradable material, it can be mixed with starch and cellulose materials or polymerized with lactic acid.
聚丁二酸丁二醇酯(PBS)及其共聚物
Polybutylene succinate (PBS) and its copolymers
以PBS(熔点为114℃)为基础材料制造各种高分子量聚酯的技术已经达到工业化生产水平。日本三菱化学和昭和高分子公司已经开始工业化生产,规模在千吨左右。
The technology of manufacturing various high molecular weight polyesters based on PBS (melting point 114 ℃) has reached the industrial production level. Mitsubishi Chemical and Showa polymer companies in Japan have started industrial production, with a scale of about 1000 tons.
中科院理化研究所也在进行聚丁二酸丁二醇酯共聚酯的合成研究。中科院理化研究所已经和山东汇盈公司合作建成了年产25000吨的PBS及其聚合物的生产线、广东金发公司建成了年产1000吨规模的生产线等。清华大学在安庆和兴化工有限公司建成了年产10000吨PBS及其共聚物的生产线。
The Institute of physics and chemistry of the Chinese Academy of Sciences is also conducting research on the synthesis of polybutylene succinate copolyester. The Institute of physics and chemistry of the Chinese Academy of Sciences has cooperated with Shandong Huiying company to build a production line with an annual output of 25000 tons of PBS and its polymers, and Guangdong Jinfa company has built a production line with an annual output of 1000 tons. Tsinghua University has built a production line with an annual output of 10000 tons of PBS and its copolymer in Anqing Hexing Chemical Co., Ltd.
聚乳酸(PLA)
Polylactic acid (PLA)
美国Natureworks公司在完善聚乳酸生产工艺方面做了积极有效的工作,开发了将玉米中的葡萄糖发酵制取聚乳酸,年生产能力已达1.4万吨。日本UNITIKA公司,研发和生产了许多种制品,其中帆布、托盘、餐具等在日本爱知世博会被广泛使用。
NatureWorks of the United States has made active and effective work in improving the production process of polylactic acid. It has developed the fermentation of glucose in corn to produce polylactic acid, with an annual production capacity of 14000 tons. Unitika company of Japan has developed and produced many kinds of products, including canvas, tray and tableware, which are widely used in Aichi World Expo.
聚羟基烷酸酯(PHA)
Polyhydroxyalkanoate (PHA)
利用可再生资源得到的生物降解塑料,把脂肪族聚酯和淀粉混合在一起,生产可降解更性塑料的技术也已经研究成功。
The technology of producing biodegradable plastics by mixing aliphatic polyester and starch with biodegradable plastics obtained from renewable resources has also been successfully studied.
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