Condensation polymer containing the residue of an acyloxystyrl c

Details Condensation polymer containing the residue of an acyloxystyrl c Condensation polymer containing the residue of an acyloxystyrl c

1988-02-22

1989-05-02

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 83, 524 84, 524 92, 524 95, 524 96, 524100, 524111, 524158, 524171, 524183, 524192, 524198, 524199, 524281, 524291, 524292, 524294, 528170, 528171, 528183, 528192, C08G 6352, C08K 547, C08K 542, C08K 534, C08K 510

Patent

active

048269034

ABSTRACT:
Composition useful for molding into articles such as food containers, beverage bottles, cured structural plastics and the like comprising molding grade linear or unsaturated polyester or polycarbonate (a) containing a mono-4-acryloxystyryl or bis-4-acyloxystyryl compound or (b) having reacted therewith or copolymerized therein a styryl residue derived from a mono-4-acryloxystyryl or bis-4-acyloxystyryl compound, having the formula ##STR1## wherein R.sup.4 and R.sup.5 represent the acyl radical and the other radicals are as defined in the specification.
Preferred compositions comprise a linear polyester containing a styryl residue as an integral part of the polymer chain. The styryl residues absorb ultraviolet radiation in the range of about 250 to about 390 nm. The residues are non-extractable from the polymer and stable at the conditions at which the polymers are manufactured and processed.

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