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Poly Modification prior studies

By Chemical Modification. Stabilization by chemical pretreatment with organotins (22,23,24,25) has been discussed already. Pretreatment studies with other reagents have been reviewed briefly (22), and improved stability is now also said to result from the prior reaction of PVC with maleic anhydride (92). Kennedy s interesting work on stabilization reactions of organoaluminums (93) has been continued by a report of enhanced stability (compared with that of ordinary PVC) for poly (vinyl chloride-g-styrene) obtained from the Et2AlCl-induced reaction of PVC and styrene monomer (94). Selective destruction of defect sites seems a plausible explanation for this result (94), but improved stability has been observed also for the PVC parts of PVC-polystyrene blends (53,95,96) and for the PVC moieties of poly (vinyl chloride-g-styrene )s prepared by alternative methods (95,96,97). [Pg.323]

See other pages where Poly Modification prior studies is mentioned: [Pg.153]    [Pg.316]    [Pg.316]    [Pg.316]    [Pg.202]    [Pg.156]    [Pg.121]    [Pg.214]    [Pg.245]    [Pg.9]   
See also in sourсe #XX -- [ Pg.178 ]



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