塑料降解方法有哪几种形式?

塑料降解方法有哪几种形式?

网址://www.ucgmex.com 手机页面二维码 2020-02-04 19:45:41

塑料降解方法,目前已知的形式可分为生物降解塑料、光降解塑料和环境降解塑料。 Atpresent,theknowndegradationmethodsofplasticscanbedividedintobiodegradableplastics,photodegradableplasticsandenvironmentaldegradationplastics.

(1)生物降解塑料是指在自然环境中,细菌、霉菌(真菌)、藻类等微生物条件或影响下降解的塑料。
(1)Biodegradableplasticreferstotheplasticthatisdegradedundertheconditionorinfluenceofbacteria,mould(fungus),algaeandothermicroorganismsinthenaturalenvironment.
(2)光降解塑料是指在自然环境中阳光作用下降解的塑料。
(2)Photodegradableplasticreferstotheplasticdegradedundertheactionofsunlightinthenaturalenvironment.
(三)环境可降解塑料是指暴露在自然环境中的塑料,在光、热、水、氧、污染物、微生物、昆虫、风、沙、雨和机械力的作用下降解的塑料。
(3)
雷竞技官网raybetappEnvironmentaldegradableplasticreferstotheplasticexposedtothenaturalenvironment,whichisdegradedbylight,heat,water,oxygen,pollutants,microorganisms,insects,wind,sand,rainandmechanicalforce.
(4)可降解塑料这种可降解塑料具有水溶性和生物降解性,如聚乙烯醇、聚乙烯醇/淀粉可降解塑料等 (4)Thiskindofdegradableplastichaswatersolubilityandbiodegradability,suchaspolyvinylalcohol,polyvinylalcohol/starchdegradableplasticandsoon.
(5)光降解塑料这种可降解塑料是指具有易被光降解基团的聚合物树脂。如乙烯/一氧化碳共聚物(E/CO)、二氧化碳共聚物(也可生物降解)或PE/PP通用树脂与光敏剂等。
(5)Photodegradableplasticthiskindofdegradableplasticisakindofpolymerresinwithphotodegradablegroup.Suchasethylene/carbonmonoxidecopolymer(E/CO),carbondioxidecopolymer(alsobiodegradable)orPE/PPgeneralresinandphotosensitizer.
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