Patent Number: 6,310,129

Title: Processing and use of carbide lime

Abstract: A composition of thermoplastic polymer and powdered dried carbide lime. The composition may also be a composition comprising (a) 5-60 parts by weight of powdered dried carbide lime; (b) 20 -95 parts by weight of at least one thermoplastic material selected from the group consisting of thermoplastic polymer, thermoplastic elastomer, and thermoplastic rubber; and (c) 0-60 parts by weight of at least one additive selected from lubricants; stabiliser; antioxidants; plasticisers; pigments and dyes; anti-blocking, anti-static, blowing and release agents; flame-retardants; impact modifiers; coupling and wetting agents; other processing aids and fibrous reinforcing agents. Processes for preparing the powdered dried carbide lime for use as fillers in plastics are also disclosed.

Inventors: Lilly; Martin J. (Toronto, CA), Meade; Mark D. (Oro Station, CA), Mortimer; Jacques (Markham, CA)

Assignee: RebaseProducts Inc.

International Classification: C08K 3/26 (20060101); C08K 3/00 (20060101); C08K 3/22 (20060101); C08K 003/14 (); C08K 003/20 (); C01B 031/30 ()

Expiration Date: 10/30/2018