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Unformatted text preview: lightly crosslinked PB rubber particle + PB-g-SAN graft polymer SAN copolymer SAN SAN PB-(CH 2-CH) -(CH 2-CH) -* I CH 2 =CH CH-CH=CH-CH 2 CH-CH=CH-CH 2 coupling PB latex * * I (CH-CH=CH-CH 2 ) (CH 2-CH=CH-CH 2 ) (x: 70-80% y: 30-20%) y x N C + N C CH 2 =CH The grafted copolymer is formed at the interface between the rubbe particle (dispersed phase) and the free SAN copolymer domain (continuous phase) Graft copolymer Free SAN copolymer Rubber particle Emulsion ABS resins are recovered from latex by coagulation with dilute salt or acid solution. The slurry is then dewatered by filtration and dired in hot air dryers. (b) Suspension Process...
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This note was uploaded on 10/16/2010 for the course MATSE 441 at Pennsylvania State University, University Park.