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2018-09-12150碟子
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2018-09-13一次性環(huán)保餐具-碟子
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2018-09-14一次性可降解餐具-270ml碗
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2018-09-14一次性餐具-叉子
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2018-09-14環(huán)保餐盒
塑料降解方法有哪幾種形式?
塑料降解方法,目前已知的形式可分為生物降解塑料、光降解塑料和環(huán)境降解塑料。 Atpresent,theknowndegradationmethodsofplasticscanbedividedintobiodegradableplastics,photodegradableplasticsandenvironmentaldegradationplastics.
(1)生物降解塑料是指在自然環(huán)境中,細(xì)菌、霉菌(真菌)、藻類等微生物條件或影響下降解的塑料。
(1)Biodegradableplasticreferstotheplasticthatisdegradedundertheconditionorinfluenceofbacteria,mould(fungus),algaeandothermicroorganismsinthenaturalenvironment.
(2)光降解塑料是指在自然環(huán)境中陽光作用下降解的塑料。
(2)Photodegradableplasticreferstotheplasticdegradedundertheactionofsunlightinthenaturalenvironment.
(三)環(huán)境可降解塑料是指暴露在自然環(huán)境中的塑料,在光、熱、水、氧、污染物、微生物、昆蟲、風(fēng)、沙、雨和機(jī)械力的作用下降解的塑料。
(3)
Environmentaldegradableplasticreferstotheplasticexposedtothenaturalenvironment,whichisdegradedbylight,heat,water,oxygen,pollutants,microorganisms,insects,wind,sand,rainandmechanicalforce.
Environmentaldegradableplasticreferstotheplasticexposedtothenaturalenvironment,whichisdegradedbylight,heat,water,oxygen,pollutants,microorganisms,insects,wind,sand,rainandmechanicalforce.
(4)可降解塑料這種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)光降解塑料這種可降解塑料是指具有易被光降解基團(tuán)的聚合物樹脂。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通用樹脂與光敏劑等。
(5)Photodegradableplasticthiskindofdegradableplasticisakindofpolymerresinwithphotodegradablegroup.Suchasethylene/carbonmonoxidecopolymer(E/CO),carbondioxidecopolymer(alsobiodegradable)orPE/PPgeneralresinandphotosensitizer.
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