Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – To form particulate product
Patent
1989-11-29
1991-07-16
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
To form particulate product
264211, 264300, 524399, 524400, 524609, B29B 1500, B29C 4700, C08J 322, C08L 8106
Patent
active
050323369
ABSTRACT:
A process for producing an aromatic polysulfone molding compound improved in mold-release characteristics by adding a predetermined amount of metal soap to aromatic polysulfone resin, wherein pellets composed of an aromatic polysulfone resin and a specific amount of metal soap, and otherwise similar pellets but containing no metal soap are prepared separately by melt-mixing, and these two kinds of pellets are dry-blended together so as to satisfy a predetermined condition.
Asai Kuniaki
Hieda Kazuo
Sumitomo Chemical Company Limited
Tentoni Leo B.
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