Process of making styrenic polymer pellets

Details Process of making styrenic polymer pellets Process of making styrenic polymer pellets

1995-11-20

1997-08-26

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

To form particulate product

159 22, 5262181, 5262196, 526227, 526230, 5262305, 526232, 5262321, 526313, 526346, 526347, 528501, B29B 906, B29C 4700, C08F 1208

Patent

active

056607768

ABSTRACT:
A true solution of up to about 15 weight % of polyphenylene ether (PPO) in a styrenic polymer may be prepared by dissolving the PPO in one or more of the monomers polymerized to form the styrenic polymer and polymerizing the resulting solution in the presence of a free radical initiator. The resulting polymer has a higher Tg than crystal polystyrene and is suitable for use in hot drink containers.

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patent: 5093375 (1992-03-01), Hahn et al.
Kamath, V., "New initiators for PS offer big efficiencies", Modern Plastics, Sep. 1981, pp. 106, 108, & 110.

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