Process for producing polymeric plasticizers from polyethylene t

Details Process for producing polymeric plasticizers from polyethylene t Process for producing polymeric plasticizers from polyethylene t

1990-04-25

1991-11-26

Dees, Jose G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

524311, 560 78, 560 91, C07C 6710, C07C 6982

Patent

active

050683950

ABSTRACT:
A process is disclosed for preparing polymeric plasticizers from polyethylene terephthalate which comprises reacting a trimellitic acid polyester ether with polyethylene terephthalate to prepare a nonlinear copolymer with hydroxyl functionality which is then reacted with a fatty acid of from 12 to 18 carbon atoms. The resulting composition has excellent properties as a polymeric plasticizer for polyvinylchloride resin.

REFERENCES:
patent: 4268686 (1981-05-01), Schafer et al.

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