Process for producing alkenyl aromatic foams using a combination

Details Process for producing alkenyl aromatic foams using a combination Process for producing alkenyl aromatic foams using a combination

1993-12-07

1997-01-21

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By mechanically introducing gas into material

264 53, 264 54, 264DIG5, B29C 4420

Patent

active

055956947

ABSTRACT:
A process for producing alkenyl aromatic foams utilizing a combination of atmospheric and organic gases as blowing agent, preferably using greater than 30% by weight of atmospheric gas, and preferably also using a predetermined about of a masterbatch mix comprising a styrenic polymer, a rubbery block copolymer, and a solid blowing agent. Also disclosed are alkenyl aromatic foams produced by the process which exhibit increased densities, increased thermoforming capabilities, increased post-expansion properties, and increased retainment of the atmospheric and organic gases.

REFERENCES:
patent: 4344710 (1982-08-01), Johnson et al.
patent: 4419309 (1983-12-01), Krutchen
patent: 4421866 (1983-12-01), Suh et al.
patent: 4424287 (1984-01-01), Johnson et al.
patent: 4446253 (1984-05-01), Hahn et al.
patent: 4451417 (1984-05-01), Akiyama et al.
patent: 4455272 (1984-06-01), Schubert et al.
patent: 4636527 (1987-01-01), Suh et al.
patent: 4772441 (1988-09-01), Voss et al.
patent: 4840976 (1989-06-01), Weber et al.
patent: 4912140 (1990-03-01), Tusim
patent: 4916166 (1990-04-01), Suh et al.
patent: 5000891 (1991-03-01), Green
patent: 5011866 (1991-04-01), Suh
patent: 5106882 (1992-04-01), Suh et al.
patent: 5110837 (1992-05-01), Harclerode et al.
patent: 5137655 (1992-08-01), Kosin et al.
patent: 5149473 (1992-09-01), Leduc
patent: 5149721 (1992-09-01), Ishikawa et al.
patent: 5166221 (1992-11-01), Hahn et al.
patent: 5210105 (1993-05-01), Paquet et al.
patent: 5250577 (1993-10-01), Welsh
patent: 5269987 (1993-12-01), Reedy et al.
patent: 5324458 (1994-06-01), Leduc
patent: 5334337 (1994-08-01), Voelker et al.

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