Shanghai Daoqin Plastics Co., Ltd.

thermoplastic property plastics and hot solid property plastics difference is what? thermoplastic property plastics can add hot soft or melt molding formed made 晶. hot solid property plastics generally process is this 样: hot solid property plastics material add machine 筒, by add hot melt to flow 状态, rear in strong/high large pressure lower speed mono or more mold cavity in, in mold cavity in high temperature lower add hot time, 此期间 will types chemical crosslinked agent or solid agent add 入, its rear solid hard products 由开启 mold in 取出. due to products already solid 化, therefore mold need cooling, commonly used electrical add hot temperature control long maintain in 150～205℃.

一, thermoplastic property plastics  

add hot soft flow, cooling hard, this type of process is can 逆, can 反复进行. polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS), polyoxymethylene (POM), poly carbon acid 酪, polyamide (PA), acrylic type plastics, its it polyolefin and its copolymer, poly 讽, polyphenylene oxide (PPO), chlorine polyether and other is thermoplastic property plastics. thermoplastic property plastics in resin separation 子链都 is type or belt/tape structure, separation between chemical generate, add hot soft flow ． cooling hard process is material 理变化.

二, hot solid property plastics

第 one-time add hot can soft flow, add hot to temperature degree, generate chemical reaction 一交链 solid 化而变 hard, this type of is can 逆, rear, again add hot 时, already can again soft flow. positive is this type of features molding processing, utilizing one-time add hot 时 塑化 flow, in pressure lower type 腔, solid formed is 确定形状 and dimensions products. this type of material is hot solid property plastics.