Process for improving the processability of polyolefins and improved polyolefin compositions
CA 1096532 A · Owner: Rohm And Haas Company · Inventors: Harrop, William H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention as disclosed provides a composition comprising a blend of polyolefin derived from an olefin of the formula, CH2=CHR, wherein R is H or CnH2n+1 and n is 1 to 4 and a minor, amount of an acrylic polymer in an amount of at least one part per 100 parts by weight of polyolefin. In another aspect the invention resides in a process of improving the processability of polyolefins derived from olefins of the formula, CH2=CHR, herein R is H or CnH2n+1 and n is 1 to 4 comprising, blending therewith at least one part of an acrylic polymer per 100 parts of said polyolefin. Addition of the acrylic polymer unexpectedly improves the hot strength and elongation of the polyolefin. The …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted February 24, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 24, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.