diaminodiphenyl मीनिंग इन हिंदी

An excellent adhesive was prepared from bismaleimide ( bmi ) , epoxy resin ( e - 51 and tde - 85 ) , 4 , 4 ' - diaminodiphenyl sulfone ( dds ) in this thesis . the influence of liquid rubber and polymer ether imide ( pei ) on the properties ( especially high - temperature strength and the peeling strength ) were discussed , their different toughening characteristics and mechanisms were discussed . last , the process and effection of heat - resisted structural adhesive were studied by adhesive experiment of synchronizer in automobile . the results of investigation made clear : the adhesive , has good properties , especially heat - resisted properity