Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1988-04-11
1990-04-17
Lilling, Herbert J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524227, 524230, 524310, 524313, 524322, 524504, 524532, 525 83, 525 84, 525 85, 525 86, 525315, 525316, C08J 320, C08K 500, C08L 5104
Patent
active
049181181
ABSTRACT:
A process for improving properties of a synthetic resin powder by subjecting a latex of a graft-copolymer whose back bone is a rubber to coagulation, and adding a lubricant to the graft-copolymer in an amount of 0.01 to 10 parts by weight based on 100 parts by weight of said graft-copolymer, and then removing water. The bulk specific gravity of a synthetic resin powder produced is large, the flowability and blocking resistance are remarkably improved in comparison with known methods and blocking during storage is prevented. Lines for transporting the powder do not become packed with the resin powder. It is possible to automatically weigh the resin powder, and the powder does not exhibit a tendency to increase in volume during mass transport.
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Kawakatsu Atsushi
Takagi Ryuichi
Kanegafuchi Kagaku Kogyo & Kabushiki Kaisha
Lilling Herbert J.
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