COMPOSITIONS AND METHODS RELATING TO IMPACT COPOLYMER COMPATIBILIZERS

• Main Authors: PEHLERT, George J, GANGULY, Ranadip
• Format: Patent
• Language: English
• Published: 08.08.2024
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; MAKING GRANULES OR PREFORMS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING-UP

Relates to a thermoplastic polyolefin composition including from 50 wt % to 90 wt % of a polypropylene having a melt flow rate from 10 g/10 min to 200 g/10 min; from 10 wt % to 45 wt % of an ethylene-α-olefin copolymer having a melt flow rate from 0.1 g/10 min to 10 g/10 min; from 0.1 wt % to 5 wt % of a propylene-based elastomer having a melt flow rate from 0.1 g/10 min to 10 g/10 min; wherein the melt flow rate of the propylene-based elastomer is between the melt flow rate of the polypropylene and the melt flow rate of the ethylene-α-olefin copolymer, and wherein an amount of the ethylene-derived units in the propylene-based elastomer is between an amount of ethylene-derived units in the polypropylene and an amount of the ethylene-derived units in the ethylene-α-olefin copolymer.