Fluropolymer resin coated member, a metal mold for forming...

Details Fluropolymer resin coated member, a metal mold for forming... Fluropolymer resin coated member, a metal mold for forming...

2005-09-29

2011-10-25

Zacharia, Ramsey (Department: 1787)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S142000, C428S340000, C428S421000, C428S457000

Reexamination Certificate

active

08043677

ABSTRACT:
A fluoropolymer resin coated member in which the fluoropolymer resin layer has been improved in wear resistance and peeling resistance. When the coated member is used to form a mold for polyester container molding, part of a polyester resin or an oligomer ingredient or additive contained in the polyester resin is prevented from depositing on the mold surface. And a polyester container with excellent luster and transparency can be manufactured. The fluoropolymer resin coated member (1) comprise a foundation (10) and a fluoropolymer resin layer (20) formed thereon, the foundation (10) having a surface roughness of 2 to 10 degree in Root-mean-square slope of profile, the amount of the fluoropolymer resin of the fluoropolymer resin layer (20) being 0.5-8.5 g/m2, and the surface roughness of the fluoropolymer resin layer being 5 degree or less in Root-mean-square slope of profile Δq2. The metal mold for forming polyester resin container can be reproduced in such a manner that amorphous fluoropolymer resin layer20applied on the hard surface of foundation10of the metal mold for forming polyester resin container is removed by abrasive to obtain mirror finish, then a new amorphous fluoropolymer resin layer20is applied on the surface of foundation10.

REFERENCES:
patent: 6033724 (2000-03-01), Molitor
patent: 05-023403 (1993-02-01), None
patent: 08-090586 (1996-04-01), None
patent: 2002-018858 (2002-01-01), None
patent: 2002-292657 (2002-10-01), None
patent: 2004-082461 (2004-03-01), None
Machine translation of JP 2002-018858 A, Jan. 2002.

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