THERMOPLASTIC POLYESTER ELASTOMER COMPOSITION INCLUDING IONOMER

Title:

THERMOPLASTIC POLYESTER ELASTOMER COMPOSITION INCLUDING IONOMER

Document Type and Number:

WIPO Patent Application WO/2011/150304

Kind Code:

A3

Abstract:

Disclosed is a composition including a melt mixed blend including (a) 58 to 96,8 weight percent one or more copolyester thermoplastic elastomers; (b) 3 to 40 weight percent polyphenylene ether; (c) 0.1 to 8 weight % ionomer and (d) 0.1 to 8 weight percent of polymeric toughener selected from the group consisting ethylene copolymers of the formula E/X/Y wherein: E is the radical formed from ethylene; X is selected from the group consisting of radicals formed from CH2=CH(R1)-C(0)-OR2 wherein R1 is H, CH3 or C2H5, and R2 is an alkyl group having 1-8 carbon atoms; vinyl acetate; and mixtures thereof; wherein X comprises 0 to 50 weight % of E/X/Y copolymer; and Y is a radical formed from giycidyl (meth)acrylate; and wherein the composition has one or more low temperature glass transition(s) between minus 100 and plus 150 °C. Also disclosed are molded articles including the compositions, including CVJ boots and air ducts for automotive applications.

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Inventors:

AKIBA KAZUKI (US)

Application Number:

PCT/US2011/038286

Publication Date:

March 29, 2012

Filing Date:

May 27, 2011

Export Citation:

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Assignee:

DU PONT (US)
AKIBA KAZUKI (US)

International Classes:

C08L67/00; C08J5/00; C08K3/10; C08L23/08; C08L71/12

Domestic Patent References:

WO2009094359A1	2009-07-30
WO2006086334A1	2006-08-17

Foreign References:

US4866130A	1989-09-12
US5155157A	1992-10-13
US20030083435A1	2003-05-01
JP2004010694A	2004-01-15
JPH05339493A	1993-12-21

Other References: