Kekere iwuwo polyethylene (LDPE) ti wa ni polymerized ethylene bi awọn polymerization monomer, peroxide bi awọn initiator, awọn thermoplastic resini gba nipasẹ free radical polymerization lenu, awọn molikula àdánù ni gbogbo 100000 ~ 500000, awọn iwuwo jẹ 0.91 ~ 0.93g/cm3, jẹ orisirisi ti o rọrun julọ ...
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