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- W2381937229 abstract "Active terminated polyurethane elastomer (MAPU), with a number average molar mass of 2000～13000 g/mol was synthesized and then blended with unsaturated polyester resin(UPR) The physical mechanical properties, Martins heat resistance and shrinkage rate of the system were tested Meanwhile, the toughening mechanism and low shrinking mechanism of the system were also studied The results showed before UPR curing, the miscibility of MAPU with UPR was good; when UPR cured, MAPU particles with certain particle diameters separated out and dispersed well in UPR The use of MAPU could reduce the curing shrinkage rate,and when the higher the molar mass of MAPU was,and the more MAPU content was,the higher the compensation for shrinkage of UPR was The overall modification result of MAPU 2 was the best When the content of MAPU 2 was 15%,the impact strength of UPR increased by more than 55%,and the retention of tensile strengh,bending strengh and Martins heat resistance was as high as 60%" @default.
- W2381937229 created "2016-06-24" @default.
- W2381937229 creator A5007244907 @default.
- W2381937229 date "2004-01-01" @default.
- W2381937229 modified "2023-09-25" @default.
- W2381937229 title "Study on Modification of Unsaturated Polyester Resin/Polyurethane Elastomer" @default.
- W2381937229 hasPublicationYear "2004" @default.
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