Laminate hose made of fluorocopolymer

Details Laminate hose made of fluorocopolymer Laminate hose made of fluorocopolymer

2006-03-29

2010-02-16

Woodward, Ana L (Department: 1796)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S035700, C428S036900, C428S421000, C428S475800

Reexamination Certificate

active

07662454

ABSTRACT:
A laminate hose comprising a laminate of a fluorocopolymer and a polyamide, wherein the fluorocopolymer comprises repeating units (a) based on tetrafluoroethylene and/or chlorotrifluoroethylene, repeating units (b) based on a cyclic hydrocarbon monomer having a dicarboxylic anhydride group and having a polymerizable unsaturated group in the ring, and repeating units (c) based on another fluoromonomer (excluding tetrfluoroethylene and chlorofluoroethylene) with contents of the repeating units (a) of from 50 to 99.89 mol %, the repeating units (b) of from 0.01 to 5 mol % and the repeating units (c) of from 0.1 to 49.99 mol % based on the total number of mols of the repeating units (a), (b) and (c), and has a flow coefficient of from 0.1 to 1,000 mm3/sec.

REFERENCES:
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U.S. Appl. No. 11/224,969, filed Sep. 14, 2005, Funaki, et al.
Takao Ogawa, et al., “Determination and Structure Elucidation of Comonomers in Fluorinated Copolymers by Molten-State19F-NMR”, Reports of the Research Laboratory, Asahi Glass Co., Ltd., 40(1), 1990, pp. 75-82.

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