Testing method for vicat softening point of thermoplastics 热塑性塑料软化点(维卡)试验方法
The results showed that the glass transition temperature and vicat softening point increased obviously with the increase of the content of the terpolymer. 结果表明:随共聚物用量的增加,共混物的玻璃化温度和维卡软化点明显提高;
The results showed that when the dosage of BR increased, the notched impact strength of simple blends and dynamically vulcanized blends were all enhanced greatly. Meanwhile the tensile strength, hardness, Vicat softening point and melt index decreased. 研究结果表明,无论是简单共混还是动态硫化共混,橡胶含量的增加都使共混体系的冲击强度提高,但拉伸强度、硬度、耐热性及流动性下降。
The several brands of PE materials used on Al plastics compound pipe are tested, and its mechanics property, Melt Index ( MI), Vicat Softening Point ( VSP) and etc are given. 对用于铝塑复合管的不同种PE原料的力学性能、熔体流动速率、维卡软化点等性能进行了测试,并研究了标记铝塑复合管不同种用途的色母料的加入对材料性能的影响。
The results showed that the addition of the graft copolymer into RPP/ RC could effectively improve the tensile strength, bending strength, bending modulus and Vicat softening point of the composites. 结果表明,在RPP/RC复合体系中加入固相接枝共聚物,可有效提高复合材料的拉伸强度、弯曲强度、弯曲模量和维卡软化点。
When the fiber contents were 40 phr, the tensile strength was 70 MPa, impact strength 11kJ/ m~ 2, vicat softening point 111 ℃ and hardness 176 MPa. 在玻璃纤维含量的40份时,复合材料的拉伸强度70MPa,缺口冲击强度11kJ/m~2,维卡软化点111℃,布氏硬度176MPa。
It showed that the mechanical properties, Vicat softening point ( VSP) of ABS/ organic MMT composites were improved. 有机蒙脱土改善了与ABS树脂的相容性和界面结合力,ABS邝沮城T复合材料的力学性能、维卡软化点均较ABS有显著提高。
The melt flow index and the Vicat softening point of Co-PP/ OBC blends are both significantly higher than Co-PP/ POE at the same content of elastomer, which indicating that the unique block structure of OBC is propitious to maintain good processing and heat resistance properties. 在相同弹性体含量下,Co-PP/OBC共混物的熔体流动指数明显高于Co-PP/POE,其维卡软化点也较高,表明OBC独特的分子链段结构有利于共混物保持良好的加工流动性与耐热性。
Results show that, compared with CPVC/ PVC blends, the mechanical properties and Vicat softening point of CPVC-cg-MAH/ PVC was increased. 结果证明:与CPVC/PVC共混物的性能相比较,CPVC-cg-MAH/PVC的力学性能和维卡软化点均有提高。