Search International and National Patent Collections

1. (WO2017040679) A PROCESSING AID FOR FOAM MOLDING, A VINYL CHLORIDE RESIN-BASED FOAM MOLDING COMPOSITION COMPRISING THE SAME AND A FOAM MOLDED PRODUCT

Pub. No.:    WO/2017/040679    International Application No.:    PCT/US2016/049721
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Thu Sep 01 01:59:59 CEST 2016
IPC: C08F 220/14
C08L 27/06
Applicants: ROHM AND HAAS COMPANY
Inventors: PETR, Michael T.
VAN RHEENEN, Paul
Title: A PROCESSING AID FOR FOAM MOLDING, A VINYL CHLORIDE RESIN-BASED FOAM MOLDING COMPOSITION COMPRISING THE SAME AND A FOAM MOLDED PRODUCT
Abstract:
A processing aid for foam molding comprising a copolymer obtained by the polymerization of 30 to 90% by weight of methyl methacrylate, 10 to 70% by weight total of one or more monomers selected from the group consisting of butyl methacrylate (BMA), pentyl methacrylate (PMA) and hexyl methacrylate (HMA), and 0 to 20% by weight of other copolymerizable monomers, the copolymer having a reduced viscosity measured according to ASTM D2857 at 1 mg/mL in chloroform at 25°C of greater than 8dL/g is provided.