Shanghai Daoqin Plastics Co., Ltd.

  toughening agent can separation is active property toughening agent and non active property toughening agent type, active property toughening agent is its separation upper can and resin active property 基团, it can formed 网络构造, add separation flexible 链, rear composite/compounding material impact resistant function. non active property toughening agent is type and resin good versus solvent, 但不参 add chemical toughening agent.

     一: toughening agent products tough property obvious reinforcement, solid material strong/high degree, impact strong/high degree, flexural strength and other property can significantly improve/increase, meanwhile make solid material rigid property and 玻璃化 temperature degree decline obvious.

     1, toughening agent is can increase agent film flexibility property material 质. certain hot solid property resin agent, ring oxygen resin, aldehyde resin and saturated and polyester resin agent solid rear elongation low, property relatively large, bonding 部位承受 outer force very easy generate cracks, speed expand 展, 导致胶层 cracking, resistant fatigue, can as is structure bonding use.

     2, 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 tough property, 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.