Composition, polymer composite article formed therewith, and method of preparing same

US11208557B2 · kind B2 · utility

Assignees

• Dow Silicones Corporation · US
• DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

• Keith Bruce · Midland, US
• Igor Chorvath · Midland, US
• Marc-Andre Courtemanche · Midland, US
• Jon Degroot · Midland, US
• Sean Gaal · Midland, US
• Craig Gross · Midland, US
• James R. Keenihan · Midland, US
• Shawn Mealey · Midland, US
• Scott Miller · Midland, US
• Tom Parsons · Lake Jackson, US
• Andrew Schlader · Lake Jackson, US
• Cristina Serrat · Freeport, US
• Lauren Tonge · Sanford, US

Key dates

• Filing date: Oct 7, 2020
• Grant date: Dec 28, 2021
• Expiry date: Oct 7, 2040

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2205/035
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A composition and a method for preparing a polymer composite article. The composition comprises (A) a filler in an amount of from 10 to 90 wt. The composition also comprises (B) a polymer in an amount of from 10 to 90 wt %, wherein the (B) polymer is selected from polyolefins, polyamides, polyesters, or combinations thereof. Further, the composition comprises (C) an organopolysiloxane in an amount of from greater than 0 to 10 wt. %; the (C) organopolysiloxane having at least one silicon-bonded hydroxyl group and a viscosity of from 1,000 to 60,000 mPa·s at 25° C. The ranges for components (A)-(C) are based on the total weight of components (A), (B) and (C) in the composition.