丝网印刷用聚氨酯弹性体的研制  

Preparation of Polyurethane Elastomer for Screen Printing

作　　者：郑直 姚庆伦 潘洪波 石雅琳 李黎宇 韦永继 

机构地区：[1]黎明化工研究设计院有限责任公司,河南洛阳471000

出　　处：《洛阳师范学院学报》2014年第5期59-61,共3页Journal of Luoyang Normal University

摘　　要：以聚酯多元醇和二苯基甲烷二异氰酸酯（MDI）为主要原料，采用半预聚物法制备了邵A硬度为60-90A的聚氨酯弹性体．考察了聚酯多元醇、硬段含量、扩链剂用量及固化温度对聚氨酯弹性体性能的影响．所制弹性体具有良好的耐溶剂性能、力学性能和加工等性能，可用于丝网印刷胶刮．The polyurethane elastomer whose hardness ranges from shore A 60 -90 was synthesized using half pre-polymerization method by self-made polyester glycol and methylene diphenyl diisocyanate （MDI） as the main raw materials. The influence of the polyester polyol, hard segment content; extender amount and curing tempera- ture was investigated. The polyurethane elastomer for the use of screen printing scraping tablet had good perform-ances of excellent solvent resistance, mechanical properties, cutting machining properties, etc.

关 键 词：聚氨酯弹性体 丝网印刷 胶刮 耐溶剂 

分 类 号：TQ334.1[化学工程—橡胶工业]