Unverified80% confidenceCautionTime unknown
所谓'可降解'保鲜膜(PLA/淀粉基)需工业堆肥条件才能降解,家庭环境和普通垃圾填埋几乎不降解,且韧性和密封性通常弱于PE,为环保选它意义有限
1
Sources
80%
Confidence
Medium-term (~90 days)
Relevance
-
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Unverified宣称可降解的PLA/PBAT材质膜需在工业堆肥条件下才能降解,家庭环境和普通填埋无法降解,若无堆肥回收渠道环保意义有限91% similarUnverified标榜'可降解'的PLA/PBAT生物基垃圾袋普遍强度低于普通PE袋、易变脆漏液,且需工业堆肥条件才能真正降解,家用填埋场景降解效果有限;除非当地垃圾处理为堆肥体系,否则环保收益打折而实用性下降89% similarUnverified以PBAT+PLA为主材,属工业堆肥可降解而非家庭自然降解,普通垃圾填埋环境下降解效果有限88% similarUnverifiedPLA材质需工业堆肥条件才能有效降解,普通垃圾填埋环境下降解极慢87% similarUnverified所谓'可降解'需区分:PLA/PBAT全生物降解袋需工业堆肥条件才真正分解,家庭填埋环境降解极慢;'光降解/氧化降解'只是碎成微塑料,环保意义有限86% similar
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