Title:
THERMOFORMED FOAM ARTICLES
Document Type and Number:
WIPO Patent Application WO/2014/170255
Kind Code:
A3
Abstract:
A method for manufacturing a thermoformed a polyetherimide / poly(biphenyl ether sulfone) foam article which comprises following three steps: Step 1. preparing a polyetherimide (PEI) / poly(biphenyl ether sulfone) (P2) foamable composition [composition (FP)], wherein said composition (FP) comprises PEI in an amount ranging from 0.1 % weight (% wt.) to 99.9 % wt., based on the total weight of the PEI and the poly(biphenyl ether sulfone) (P2), Step 2. foaming the composition (FP) to yield a foamed (PEI) / poly(biphenyl ether sulfone) material [foam (P) material], and Step 3. molding said foam (P) material under the effect of heat and pressure to provide a thermoformed foamed article.
Inventors:
KENKARE NIRUPAMA (US)
KWAN KERMIT S (US)
EL-HIBRI MOHAMMAD JAMAL (US)
KWAN KERMIT S (US)
EL-HIBRI MOHAMMAD JAMAL (US)
Application Number:
PCT/EP2014/057494
Publication Date:
January 22, 2015
Filing Date:
April 14, 2014
Export Citation:
Assignee:
SOLVAY SPECIALTY POLYMERS USA (US)
International Classes:
C08J9/14; C08J9/00; C08J9/36
Domestic Patent References:
| WO2013092689A1 | 2013-06-27 |
Foreign References:
| US5091126A | 1992-02-25 | |||
| US8017699B1 | 2011-09-13 |
Attorney, Agent or Firm:
BENVENUTI, Federica et al. (310, Bruxelles, BE)
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