Oligomeric plasticizers from crambe oil-derived dicarboxylic acids for poly (vinyl chloride
1975
Chang, S.P. | Ridgway, R.W. | Riser, G.R.
17 oligometric plasticizers were prepared by polyesterification of long chain dicarboxylic acids with propylene glycol and terminator acid or alcohol. All, except one terminated by dodecyl alcohol, were compatible with poly(vinyl chloride). Films plasticized with these polyesters were similar in transparency and flexibility to films plasticized with bis(2-ethylhexyl) phthalate. Poly(vinyl chloride) sheets containing brassylic acid polyesters with Mn (number-average mol. wt.) of 2200-2300 or a crambe mixed dicarboxyl acids polyester with Mn of 2100 exhibited superior permanence with overall performance comparable to sheets plasticized with bis(2-ethylhexyl) phthalate commercial polymeric plasticizer.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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