C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 181/04 (2006.01) C08G 75/02 (2006.01) C09D 5/25 (2006.01) H01B 3/30 (2006.01)
Patent
CA 2185938
Disclosed herein are a metal coating resin comprising a branched poly(arylene sulfide) resin obtained by polymerizing an alkali metal sulfide and a dihalo- aromatic compound in the presence of a trihalo-aromatic compound, wherein the poly(arylene sulfide) resin has a melt viscosity ?200 of 50-3,000 Pas as measured at 310°C and a shear rate of 200/sec, and a ratio R (?200/?1200) of the melt viscosity ?200 to a melt viscosity ?1200 as measured at 310°C and a shear rate of 1200/sec satisfies the following relationship (1): 0.91 x log(?200) - 0.3 R 0.91 x log(?200) + 0.3 (1), a coated metal member obtained by coating a metal base with the resin, and a production process thereof. A coated metal member obtained by coating a metal base with a poly(arylene sulfide) resin, wherein the poly(arylene sulfide) resin has an elongational viscosity of at least 10,000 Pas as measured at 310°C and a shear rate of 400/sec, and a crystallization temperature upon heating of a coating layer formed of the poly(arylene sulfide) resin, which is measured by means of a differential scanning calorimeter, is lower by at least 6°C than that of an unorientated noncrystalline sheet of the poly(arylene sulfide) resin, and a production process thereof are also disclosed.
Nishihata Naomitsu
Ouchi Kiyomi
Satake Yoshikatsu
Tada Masahito
Kirby Eades Gale Baker
Kureha Kagaku Kogyo K.k.
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