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- W2378664211 abstract "With hydroxyl-terminated polybutadiene/acrylonitrile(HTBN) as soft chain segment,toluene diiso- cyanate(TDI) as hard chain segment and amino-terminated siloxane as modifier,a series of HTBN/polyurethanes(PU) modified by amino-terminated siloxane were synthesized. With molar ratio of -NCO to HTBN(namely R value), molar ratio of amino-terminated siloxane to HTBN,molar ratio of chain extender to HTBN,and additive wise of amino-terminated siloxane as four main factors,so the influences of various factors were investigated by L9(34) orthogonal experiments on mechanics performance and medium-resistance of HTBN/PU modified by amino-terminated siloxane. The research results showed that the elongation at break and medium-resistance(namely water resistance,oil resistance,toluene resistance and ethanol resistance) of PU product were improved when amino- terminated siloxane was introduced into PU systems. The stability of PU product in various medium was: vacuum oilwater ethanol toluene. The influences of R value on mechanical performance of PU product was: elongation at breakshore hardnesstensile strengthstress at definite elongation." @default.
- W2378664211 created "2016-06-24" @default.
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- W2378664211 date "2009-01-01" @default.
- W2378664211 modified "2023-09-23" @default.
- W2378664211 title "Study on synthesis and performance for HTBN/polyurethane modified by amino-terminated siloxane" @default.
- W2378664211 hasPublicationYear "2009" @default.
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