CAJ | 학술논문

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60～90 A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、力学性能和切削加工等性能，可用于丝网印刷胶刮。
이취지다원순화이분기갑완이이청산지（ MDI）위주요원료，채용반예취물법제비료소A경도위60～90 A적취안지탄성체。고찰료취지다원순、경단함량、확련제용량급고화온도대취안지탄성체성능적영향。소제탄성체구유량호적내용제성능、역학성능화절삭가공등성능，가용우사망인쇄효괄。
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.