Method of preventing corrosion of apparatus for melt-...

Details Method of preventing corrosion of apparatus for melt-... Method of preventing corrosion of apparatus for melt-...

C - Chemistry, Metallurgy

08

K

400/8101, 400/81

C08K 3/22 (2006.01) C08K 5/09 (2006.01) C08K 5/098 (2006.01) C08L 81/02 (2006.01) C23F 11/00 (2006.01) C23F 11/08 (2006.01)

Patent

CA 1290488

ABSTRACT OF THE DISCLOSURE Corrosion of a melt-processing apparatus for processing a polyarylene thioether at a temperature higher than the melting point thereof is prevented by a method which comprises adding to 100 parts by weight of the polyarylene thioether 0.001 to 10 parts by weight of at least one member selected from the group consisting of (i) a hydroxide of calcium or strontium, (ii) an oxide of calcium or strontium and (iii) an aromatic carboxylic acid salt of calcium or strontium. By this method, even if the melt-processing article obtained is exposed to moisture, the electrical properties of the article formed (for example, insulation characteristics) and the water resistance are not substantially deteriorated.

522414

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