Corn starch has attracted public attention because of its green, non-polluting and natural degradation after use. The following disposable corn starch tableware manufacturers to popularize the two materials of this tableware, I hope to help you!

玉米淀粉餐具主要分兩種，看材質(zhì)說明，一種是淀粉基，淀粉的主要來源是玉米，所以有時也叫玉米淀粉基，其實是淀粉和傳統(tǒng)石油基PP等的混合塑料，國外叫生物基。是可以通過淀粉的生物降解而致使整個材料物理性能崩潰，但崩潰后的石油基PP還是不可降解的。對比傳統(tǒng)的餐具是比較環(huán)保，成本也差不多。

Corn starch tableware is mainly divided into two kinds, according to the material description, one is starch base, the main source of starch is corn, so sometimes it is also called corn starch base, in fact, starch and traditional petroleum-based PP mixed plastic, called biological base abroad. The physical properties of the whole material can be collapsed by the biodegradation of starch, but the petroleum-based PP after the collapse is still non-degradable. Compared with traditional tableware, it is more environmentally friendly, and the cost is similar.

另一種是PLA聚乳酸，1噸的聚乳酸是用3噸的玉米淀粉提取轉(zhuǎn)化出來的，工藝流程復(fù)雜，所以也比較高，這種是完全可降解的。但是純PLA是不耐高溫的，所以市場上的完全降解餐具大多是改性PLA做的，也是添加完全生物降解的石油基PBAT等其他材料的。如果宣傳完全降解，生物基部分和石油基部分都必須是完全可降解的。

The other is PLA polylactic acid. One ton of PLA is extracted and transformed from 3 tons of corn starch. The process is complex, so the price is relatively high. This kind of PLA is completely degradable. But pure PLA is not resistant to high temperature, so most of the fully degradable tableware on the market is made of modified PLA, which is also added with other materials such as petroleum-based PBAT which is completely biodegradable. If the propaganda is completely degradable, both the bio-based and petroleum-based parts must be completely degradable.

嚴格意義上說，淀粉基混合PP那種從整體看不能稱為可降解，或者部分可降解，因為整體放在堆肥環(huán)境中式?jīng)]法降解的，只有分離出來才可以。歐洲已經(jīng)不用降解，完全降解來描述材質(zhì)，用可堆肥來說明，因為可堆肥對降解的時間，降解后的顆粒大小，降解后成分對植物生長的影響都進行限定，來保證材質(zhì)的性。

Strictly speaking, the starch-based blended PP can not be called degradable or partially degradable as a whole, because the whole can not be degraded in composting environment, only separated. In Europe, there is no need to degrade completely to describe the material. Compost can be used to explain it. Because compost can limit the time of degradation, the size of degraded particles and the effect of degraded components on plant growth to ensure the safety of material.

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