MODIFIERS FOR POLYESTERS THAT IMPROVE VISCOSITY IN MELT

    公开(公告)号:US20230062748A1

    公开(公告)日:2023-03-02

    申请号:US17798003

    申请日:2021-02-05

    IPC分类号: C08L67/02

    摘要: A viscosity modifier for a condensation polymer may include a chain extender comprising at least one reactive monomer and at least one vinyl monomer copolymerizable with the reactive monomer, the chain extender being present in an amount ranging from 15 to 70 wt % of the viscosity modifier; and a non-condensation carrier resin present in an amount ranging from 30 to 85 wt % of the viscosity modifier. Condensation polymer compositions, methods of forming viscosity modifiers, and methods of molding condensation polymer compositions are also provided.