C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 73/10 (2006.01) C08J 3/09 (2006.01) C08L 79/08 (2006.01) C09D 179/08 (2006.01) D06N 3/12 (2006.01) D21H 19/30 (2006.01) H05K 1/03 (2006.01)
Patent
CA 2144324
This invention relates to heat-resistant polyimide blends and molded parts thereof, which have excellent heat and moisture resistance, are relatively soluble in organic solvents, have excellent mechanical processibility, and are suited for laminating and molding. The blends contain a thermoplastic polyimide component and a thermosetting imide oligomer. The weight ratio of the thermoplastic component to thermosetting component is selected in the range of 99/1 to 5/95. The thermoplastic polyimide component has a number average molecular weight of 10,000 or more.
Cette invention concerne des mélanges de polyimide thermorésistants et des éléments moulés réalisés avec ceux-ci. Ces mélanges ont une excellente résistance à la chaleur et à l'humidité, ils sont relativement solubles dans les solvants organiques, et ils se prêtent facilement aux transformations telles que la formation de stratifiés et le moulage. Les mélanges contiennent un composant polyimide thermoplastique et un oligomère d'imide thermodurcissant. Le rapport pondéral entre le composant thermoplastique et le composant thermodurcissant est choisi dans la plage 99/1 à 5/95. Le composant polyimide thermoplastique a une masse moléculaire moyenne au nombre de 10.000 ou plus.
Furutani Hiroyuki
Harris Frank W.
Macrae & Co.
University Of Akron
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