If the degradation rate of polybag is a bit rapidder, avirulent to environment harmless, people is using polybag respect have one's hands tied bundle foot. A few days ago, a kind of when appear in Shen Cheng new-style polybag accomplished this, its " complete degradation " honor means it to be able to dissolve be buried inside time of half an year, and won't remain next stubborn chemical composition. However, the reporter understands, suffer be confined to to make cost, the tower above of price of environmental protection polybag on this kind of real significance is same volume is average polybag near 2, 3 times, reside the social status that does not leave high to make it body defect " applaud not draw a large audience " awkward.
　　
Complete degradation polybag shows body Shen Cheng
Complete degradation of the fastest half an year " do not leave mark "
"100 ％ but degradation " , " after discarding, can be in 6 months complete degradation " , a few days ago, imprint the polybag that is like this green model of written characters appears in Shen Cheng. Dare to challenge polybag to this the new-style polybag member of familial disease, the reporter saw its real features finally in supermarket of this city Wo Erma. Color is white, light grind arenaceous simple sense, feel the sense in the hand more softer than common polybag, in addition odd weight appears heavier also, because this is carried,be in the hand, have quite hang down object feeling.
"Because the raw material of this kind of polybag is more special, because this is in 90 days after it is discarded, degradation degree can achieve 60 ％ . " the application to complete degradation polybag, hu Minghua of controller of public relations of area of Shanghai of supermarket of fertile Er Ma tells a reporter, theoretic view is, can complete inside half an year degradation is this kind of polybag water, carbon dioxide and firedamp, because these child exist originally in nature, because this can say,going up is polybag of completely avirulent to environment hurtless.
Meanwhile, an expert also tells Nanjing agriculture college the reporter: "The raw material of common polybag uses product of oil splitting decomposition commonly, for instance polyethylene, polypropylene, these do not have method degradation inside short time. And complete degradation polybag uses amylaceous, colophony, plastic auxiliary to serve as raw material, because this ability accomplishs bury,in land half an year arrives one year inside time the effect of complete degradation. Because this ability accomplishs bury,in land half an year arrives one year inside time the effect of complete degradation..
　　
Cost is too difficult be accepted by the market
Market of complete degradation polybag tries water " not draw a large audience "
Complete degradation polybag can be achieved very the effect of environmental protection, the reporter in be being interviewed however discovers, because this polybag price is higher, accordingly " applaud not draw a large audience " .
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