Back to results
US 12,466,955 B2Granted
Polyphosphonate resin composition and molded article prepared therefrom
AssigneeLotte Chemical Corporation
InventorsJin Yong Bae, Jung Jae Lee, Jun Ho Chi, O Sung Kwon
Life of this patent
Estimating the term…
Abstract
A polyphosphonate resin composition of the present invention comprises: about 100 parts by weight of a polyphosphonate resin containing a repeating unit represented by chemical formula 1; and about 0.01 to about 0.05 parts by weight of a phosphite compound containing at least one of diphenyl hydrogen phosphite and a phosphite compound represented by chemical formula 2. The polyphosphonate resin composition has excellent heat resistance, wet heat stability, discoloration resistance, flame retardancy, and the like.
Claims10
A polyphosphonate resin composition comprising:
- about 100 parts by weight of a polyphosphonate resin comprising a repeat unit represented by Formula 1;
- and
- about 0.01 to about 0.05 parts by weight of a phosphite compound comprising at least one selected from diphenyl hydrogen phosphite and a phosphite compound represented by Formula 2;
- where Ar is a substituted or unsubstituted C6 to C20 aryl group;
- where R1 is a linear or branched C4 to C16 alkyl group, R2 is a C1 to C10 alkyl group, and n is an integer of 0 to 5.
2 more elements
Dependencies are inferred from the claim text.