The self - plasticization and self - reinforcement of nanocrystal pvc was studied , too 同时发现纳米晶pvc对pvc具有增塑增强作用。
2.
Simulations of three - dimensional flow fields in metering section of screw during plasticization process 塑化过程螺杆计量段三维流场的数值模拟
3.
The crystal pvc is crashed by jet - mill to prepare nanocrystal pvc . the crash , degradation and the change of morphology and crystalline structure changes of pvc is studied by ftir , sem , dsc , tem . the self - plasticization of nanocrystal pvc is studied , too 用气流磨对结晶pvc进行粉碎，制备了纳米晶pvc ，研究了在高速气流作用下pvc的破碎降解、颗粒形态和微晶结构变化，研究了纳米晶pvc对pvc的增塑作用。
4.
The results show that there is anomalistic crystal whose size reaches nanometer grade in fine pvc ; the crystal structure is damaged by jet - milling , which induces the melting point of nanocrystal pvc decreases from 210 to 128 . the nanocrystal pvc induces the decrease of plasicizing time and equilibrium torque and the increase of maximal torque , which show that the nanocrystal pvc have self - plasticization in pvc composites 通过sem 、 tem 、 ftir和dsc测试表明：气流粉碎制得的pvc微粉中具有不规则纳米晶体；气流粉碎破坏了pvc的晶体结构，使纳米晶pvc的熔点从210下降到128 ；纳米晶pvc使体系塑化时间、平衡转距的降低、最大转距升高，具有自增塑作用。
5.
The results showed that there was anomalistic crystal whose size reached nanometer grade in fine pvc ; it ' s about 80nm . the crystal structure was damaged by jet - milling , which induced the melting point of nanocrystal pvc decreased from 210 " c to 128 掳 c . the nanocrystal pvc induced the decrease . of plasicizing time and equilibrium torque and the increase of maximal torque , which showed that the nanocrystal pvc had self - plasticization in pvc composites 通过sem 、 tem 、 ftir和dsc测试表明：气流粉碎制得的pvc微粉中具有不规则纳米晶体，尺寸在80nm左右；气流粉碎破坏了pvc的晶体结构，使纳米晶pvc的熔点从210下降到128 ；纳米晶pvc使体系塑化时间、平衡转距降低、最大转距升高，具有自增塑作用；纳米晶pvc的加入使pvc的冲击和拉伸强度都有大幅度上升。
6.
Abstract : new progress of raman technique in the research on macromolecule science recent years was summarized in this paper including the miscibility of polymer blends , the mechanism of surface plasticization , the monitoring of stress and strain relaxation process , raman imaging , the monitoring of polymerization , determination of curing process , the monitoring of crystal process in polymer and the study on the structure of water and intra - and inter molecular interactions in the solution of polymer and gelatin . a great deal of research of raman technique in this aspects were also summarized 文摘:综述了拉曼技术在高分子科学研究中近年来的最新进展，包括聚合物共混物的相容性、表面增塑机理、应力松弛和应变过程的监测以及拉曼成像、聚合反应监控、固化过程监测、聚合物结晶过程监控、聚合物水溶液和凝胶体系中水的结构及分子间、分子内相互作用力的研究。
