Polyester polymer containing the residue of the UV absorbing ben

Details Polyester polymer containing the residue of the UV absorbing ben Polyester polymer containing the residue of the UV absorbing ben

1988-12-21

1989-11-21

Hoke, Veronica P.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528170, 528172, 528173, 528174, 525437, 525448, C08G 515

Patent

active

048824127

ABSTRACT:
Composition useful for molding into articles such as food containers, beverage bottles, cured structural plastics and the like comprising molding grade polyester such as a linear, thermoplastic polyester having reacted therewith or copolymerized therein the residue of a 7-oxy-2H-1-benzopyran-2-one compound or a 7-oxy-2H-1-benzopyran-2-imine compound, said residue absorbing radiation in the range of about 330 to 380 nm and being non-extractable from said polymer and stable under polymer formation and processing conditions.

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