Title:
BLOCK CHLORINATED POLYOLEFINS AS PHYSICAL PROPERTY ENHANCERS FOR POLYMER BLENDS
Document Type and Number:
WIPO Patent Application WO2002074863
Kind Code:
A3
Abstract:
A means to improve thermoplastic formulations in terms of the physical properties they exhibit, such as impact strength and ductility, have been developed. The addition of a block chlorinated polyolefin (b-CPO) to polymer blends in which at least one component comprises a halogen-free hydrogen-bond acceptor polymer, achieves the desired enhancement. The synergetic effect of the b-CPO with the selected polymer blend is demonstrated. Blends of thermoplastic polyurethanes, polycarbonates, copolyesters and copolymides with a blend partner such as thermoplastic polyolefins, styrene copolymers, high rubber graft copolymers such as acrylonitrile butadiene styrene copolymers, methylmethacrylate butadiene styrene copolymers and the b-CPO have shown to improve impact resistance. The addition of 0.5 wt. % of b-CPO has been shown to improve impact strength by as much as 85% and elongation at break exhibited by the blend by as much as 170%.
Inventors:
MELTZER AARON DONALD
LAWSON DENNIS LEE
DETTERMAN ROBERT EDWIN
LEPILLEUR CAROLE ANGELE
LAWSON DENNIS LEE
DETTERMAN ROBERT EDWIN
LEPILLEUR CAROLE ANGELE
Application Number:
PCT/US2002/007893
Publication Date:
February 27, 2003
Filing Date:
March 15, 2002
Export Citation:
Assignee:
NOVEON IP HOLDINGS CORP (US)
International Classes:
C08L23/04; C08L23/10; C08L75/04; C08L23/28; C08L53/00; C08L101/00; (IPC1-7): C08L101/00; C08L23/08
Foreign References:
| US5281668A | 1994-01-25 | |||
| US4511687A | 1985-04-16 |
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