公开(公告)号：US12286520B2

公开(公告)日：2025-04-29

申请号：US18435138

申请日：2024-02-07

Applicant: DDP Specialty Electronic Materials US, LLC

Inventor： Wenyi Huang ,  Shari Kram ,  Mark Rickard ,  Ravi B Shankar

IPC: C08J3/22 ,  C08J3/20 ,  C08J9/00 ,  C08J9/12 ,  C08J9/14 ,  C08L25/06

Abstract: A masterbatch composition suitable for use as a flame retardant in extruded polymer foams, and process for manufacturing the same, and extruded foams containing same; the composition comprising: (a) 20 to 40 parts by weight base resin comprising styrene homopolymer or copolymer; (b) 1 to 16 parts by weight acid scavenger comprising an epoxy-based compound; (c) 2 to 6 parts by weight antioxidant comprising an alkyl or aryl phosphite; and (d) 45 to 60 parts by weight flame retardant comprising a non-hexabromocyclododecane (HBCD) brominated polymer or copolymer, wherein the amounts of (a), (b), (c), and (d) total 100 parts by weight; and (e) 0.6 to 10 parts by weight of pH moderator, based on 100 parts of (a) base resin plus (e) water soluble pH moderator.

公开(公告)号：US11939445B2

公开(公告)日：2024-03-26

申请号：US17516016

申请日：2021-11-01

Applicant: DDP SPECIALTY ELECTRONIC MATERIALS US, LLC

Inventor： Wenyi Huang ,  Shari Kram ,  Mark Rickard ,  Ravi B Shankar

IPC: C08J3/22 ,  C08J3/20 ,  C08J9/00 ,  C08J9/12 ,  C08J9/14 ,  C08L25/06

CPC classification number: C08J9/0061 ,  C08J3/201 ,  C08J3/226 ,  C08J9/0095 ,  C08J9/122 ,  C08J9/125 ,  C08J9/146 ,  C08L25/06 ,  C08J2201/03 ,  C08J2203/06 ,  C08J2203/10 ,  C08J2203/142 ,  C08J2363/04 ,  C08J2425/06 ,  C08L2201/02 ,  C08L2203/14

Abstract: A masterbatch composition suitable for use as a flame retardant in extruded polymer foams, and process for manufacturing the same, and extruded foams containing same; the composition comprising: (a) 20 to 40 parts by weight base resin comprising styrene homopolymer or copolymer; (b) 1 to 16 parts by weight acid scavenger comprising an epoxy-based compound; (c) 2 to 6 parts by weight antioxidant comprising an alkyl or aryl phosphite; and (d) 45 to 60 parts by weight flame retardant comprising a non-hexabromocyclododecane (HBCD) brominated polymer or copolymer, wherein the amounts of (a), (b), (c), and (d) total 100 parts by weight; and (e) 0.6 to 10 parts by weight of pH moderator, based on 100 parts of (a) base resin plus (e) water soluble pH moderator.