US 12,466,955 B2
Polyphosphonate resin composition and molded article prepared therefrom
Jin Yong Bae, Uiwang-si (KR); Jung Jae Lee, Uiwang-si (KR); Jun Ho Chi, Uiwang-si (KR); and O Sung Kwon, Uiwang-si (KR)
Assigned to Lotte Chemical Corporation, Seoul (KR)
Appl. No. 18/010,052
Filed by LOTTE CHEMICAL CORPORATION, Seoul (KR)
PCT Filed Jun. 28, 2021, PCT No. PCT/KR2021/008083
§ 371(c)(1), (2) Date Dec. 13, 2022,
PCT Pub. No. WO2022/005129, PCT Pub. Date Jan. 6, 2022.
Claims priority of application No. 10-2020-0080463 (KR), filed on Jun. 30, 2020.
Prior Publication US 2023/0227652 A1, Jul. 20, 2023
Int. Cl. C08K 5/526 (2006.01); C08L 85/02 (2006.01); C08G 79/04 (2006.01)
CPC C08L 85/02 (2013.01) [C08K 5/526 (2013.01); C08G 79/04 (2013.01); C08L 2201/02 (2013.01)] 10 Claims
 
1. 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;

OG Complex Work Unit Chemistry
where Ar is a substituted or unsubstituted C6 to C20 aryl group;

OG Complex Work Unit Chemistry
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.