Shanghai Daoqin Plastics Co., Ltd.

    PC toughening agent currently inner for PVC modified research inner and toughened, reinforcement, improve/increase resistant thermal properties, improvement processing properties, 赋予PVC specialty function and other 方面,而PVC toughening agent as is hard products 时, its is tough property 差, this is PVC difficult as is structure material main/primary causes. therefore for PVC进行 toughened modified, impact strong/high degree defect, development high strong/high, high tough PVC material, use 以代替 certain engineering plastics, formed is more 商家梦寐以求 事情. commonly used modified methods has copolymer, crosslinked, grafting, filling and blending modified and other.

 

    different type type toughening agent, has different toughened mechanism. liquid poly 硫橡胶 can and ring oxygen resin reaction, 引入一部 separation flexible 链段, reduce ring oxygen resin modulus, improve/increase toughened property can, 却牺牲 heat resistant property. liquid 体丁腈橡胶 as is ring oxygen resin toughening agent, room temperature solid 化时几乎无 toughened 效果, bonding strong/high degree decline; has in high temperature solid system, toughened and bonding relatively obvious. 端羧基 liquid 体丁腈橡胶 toughened ring oxygen resin, solid front versus 容, solid rear separation versus, formed “海岛 structure ”, can absorption impact can amount, also basic reduce heat resistant property. T一99 more function ring oxygen solid agent solid ring oxygen resin make crosslinked structure in flexible 链段, generate separation versus structure, in high toughness meanwhile basic reduce heat resistant property.

 

      plastics toughening agent is is reduce plastics property improve/increase its impact strong/high degree and elongation add resin in types additives. in plastics toughening agent, currently use comparison more maleic anhydride grafted compatibilizer, acid 酐接POE, EVA, SBS, EPDM, PE, ABS and other and other is used for plastics especially is engineering plastics upper significantly toughening agent.

 

      plastics toughening agent blending elastomer has types toughened mechanism, POE for PP toughening agent modified combined 银纹-剪切 belt/tape mechanism: property inner add elastomer rear, PC toughening agent in outer impact force function lower, elastomer can a large amount of 银纹, 而基体则 generate 剪切屈服, main/primary 靠银纹, belt/tape absorption can amount.