Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1989-12-27
1992-03-10
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521 56, 521139, C08J 918, C08L 3506
Patent
active
050950410
ABSTRACT:
A simple process for producing expandable thermoplastic resin particles is provided wherein a desired amount of a blowing agent is added to a particulate thermoplastic resin in a closed vessel and the mixture is allowed to age at ambient conditions for a sufficient period of time to allow the resin to become impregnated with the blowing agent.
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Bopp Richard C.
Ward, III William J.
Cooney Jr. John M.
General Electric Company
Kight III John
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