Thermoplastic Compositions Containing Multi-Stage Copolymers as Melt Strength Process Aids With Lubrication Properties

• Main Authors: Petr, Michael T, Van Rheenen, Paul R
• Format: Patent
• Language: English
• Published: 20.12.2018
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

The present invention provides vinyl halide polymer thermoplastic polymer compositions comprising a multi-stage, or, preferably, two-stage acrylic copolymer polymeric additive having (A) a high Tg, high molecular weight first stage polymer that is free of, in copolymerized form, vinyl aromatic monom...