Polyimides
AssigneeIndustrial Technology Research Institute
InventorsHsueh-Yi LIAO, Chyi-Ming LEU, Tzong-Ming LEE
Life of this patent
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Abstract
Disclosed is a polyimide polymerized by x molar parts of a first diamine, y molar parts of a second diamine, and 100 molar parts of a first dianhydride, wherein the first diamine has a formula of the second diamine has a formula of the first dianhydride has a formula of a+b=100, 50≦x≦80, and 20≦y≦50.
Claims10
A polyimide, being polymerized by x molar parts of a first diamine, y molar parts of a second diamine, and 100 molar parts of a first dianhydride,
- wherein the first diamine has a formula of
- the second diamine has a formula of
- the first dianhydride has a formula of
- x+y=100;
- 50≦x≦80;
- and
- 20≦y≦50.
A polyimide, being polymerized by x molar parts of a first diamine, y molar parts of a second diamine, z molar parts of a first dianhydride, and w molar parts of a second dianhydride;
- wherein the first diamine has a formula of
- the second diamine has a formula of
- the first dianhydride has a formula of
- the second dianhydride has a formula of
- x+y=z+w=100;
- 50≦x≦80;
- 20≦y≦50;
- 60≦z<100;
- and
- 0<w≦40.
Dependencies are inferred from the claim text.