PVC/ACRⅠ/ACRⅡ共混体系的力学性能  

Mechanical Properties of PVC/ACRⅠ/ACRⅡ Blend

作　　者：党四荣 亢震 程刚[3] 宋莎莎[3] 

机构地区：[1]青岛宏达塑胶总公司,山东青岛266032 [2]青岛海尔新材料研发有限公司,山东青岛266101 [3]西南石油大学研究生院,四川成都610500

出　　处：《塑料工业》2008年第B06期89-90,118,共3页China Plastics Industry

摘　　要：通过力学性能的测试考察了混炼温度、加工助剂ACRⅠ及抗冲击改性剂ACRⅡ用量对PVC/ACRⅠ/ACRⅡ共混体系缺口冲击强度和拉伸强度的影响。结果表明:加工助剂ACRⅠ对PVC/ACRⅠ(质量比100/0～12)共混体系的力学性能没有影响;混炼温度和抗冲击改性剂ACRⅡ用量对PVC/ACRⅠ/ACRⅡ共混体系的力学性能影响较大,即混炼温度为140℃时,PVC/ACRⅠ/ACRⅡ(质量比100/6/12)缺口冲击强度最好,即63.66kJ/m^2,而拉伸强度则随着温度的升高而增加;抗冲击改性剂ACRⅡ用量为12份时,PVC/ACRⅠ/ACRⅡ共混体系的缺口冲击强度最好(17.84kJ/ m^2),而拉伸强度则随着ACRⅡ用量的增加而逐渐减小。The effects of mixing temperature, the amounts of processing aid ACR Ⅰ and impact modifier ACR Ⅱ on the notched impact strength and tensile strength of PVC/ACR Ⅰ/ACR Ⅱ blends were studied by means of mechanical properties tests. The results showed ACR Ⅰ had little effect on the mechanical properties of PVC/ACR Ⅰ blend （ 100/0 - 12） while the effects of mixing temperature and the amount of ACR IT on the mechanical properties of PVC/ACR Ⅰ/ACR Ⅱblend were obvious. That was to say the notched impact strength of PVC/ACR Ⅰ/ACR Ⅱ （100/6/12）was the maximum, being 63.66 kJ/m^2, when the temperature was 140 ℃, and the tensile strength increased when the mixing temperature rose. Also, the notched impact strength of PVC/ACR Ⅰ/ACR Ⅱ （100/6/0 - 16）was the maximum, being 17.84 kJ/m^2 when the amount of ACRⅡ was 12Phr, and the tensile strength decreased when the amount of ACR Ⅱ increased.

关 键 词：力学性能 混炼温度 加工助剂ACRⅠ 抗冲击改性剂ACRⅡ 

分 类 号：TQ325.3[化学工程—合成树脂塑料工业] O631.21[理学—高分子化学]