Plasticizer composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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C08K 510

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active

056888503

ABSTRACT:
This invention is a formulation comprising a blend of a polybutene and an aliphatic lactate ester said blend containing from 50-99% w/w of the polybutene. The polybutene may be a poly-n-butenes, polyisobutenes, polymers containing a mixture of n-butene and isobutene monomer units, and mixtures thereof. The aliphatic lactate ester is suitably derivable from lactic acid and an aliphatic alcohol having from 6-10 carbon atoms. These formulations are particularly suitable for use as plasticizers for polymeric resins, especially copolymers of vinyl aromatics with acrylates and/or methacrylates such as e.g. a styrene/acrylate copolymer.

REFERENCES:
patent: 3985691 (1976-10-01), DeTaffin et al.
patent: 4366099 (1982-12-01), Gaetani et al.
patent: 4379169 (1983-04-01), Reggio et al.
patent: 4438140 (1984-03-01), Guillon et al.
patent: 5447715 (1995-09-01), Roberts

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