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Title:
MULTI-LAYER FLUOROPOLYMER FOAM STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2014/031510
Kind Code:
A3
Abstract:
The invention relates to multi-layer articles consisting of at least one layer of a foamed fluoropolymer. The article is formed by co-extrusion in which the foamed layer is coextruded as a foam, and not foamed in a secondary process. Preferably the fluoropolymer foam is a polyvinylidene fluoride (PVDF), such as KYNAR PVDF from Arkema Inc. The article could be sized into a specific shape during the manufacturing process. Useful multi-layer articles of the invention include pipe, tube, sheet, profile, film, jacketing or any other multilayer foam-core articles are especially useful.

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Inventors:
ZERAFATI SAEID (US)
Application Number:
PCT/US2013/055511
Publication Date:
May 01, 2014
Filing Date:
August 19, 2013
Export Citation:
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Assignee:
ARKEMA INC (US)
International Classes:
F16L11/00; B32B7/02; C08J9/00; C08K3/04
Foreign References:
US20050056332A12005-03-17
US20120045603A12012-02-23
US20030106602A12003-06-12
US5885494A1999-03-23
US20090107558A12009-04-30
US20110224318A12011-09-15
US20100119748A12010-05-13
Other References:
See also references of EP 2888515A4
Attorney, Agent or Firm:
ROLAND, Thomas F. et al. (900 First AvenueKing of Prussia, Pennsylvania, US)
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