Siloxane-modified polyimide resin

Details Siloxane-modified polyimide resin Siloxane-modified polyimide resin

2006-01-10

2006-01-10

Hightower, P. Hampton (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

C528S010000, C528S033000, C528S038000, C528S172000, C528S173000, C528S183000, C528S188000, C528S220000, C528S229000, C528S350000, C528S353000, C524S600000, C524S602000, C428S473500

Reexamination Certificate

active

06984714

ABSTRACT:
This invention relates to a siloxane-modified polyimide resin which shows excellent adhesiveness and can be bonded by thermocompression at high temperature even after subjection to thermal hysteresis in the manufacturing step for electronic parts. This polyimide resin is obtained from an aromatic tetracarboxylic acid dianhydride (A) and a diamine (B) comprising 30–95 mol % of a bis(4-aminophenoxy)alkane (B1) and 5–70 mol % of a siloxanediamine (B2) as essential components.

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