RU95115440A - Polyimide Composition for Electronic Equipment - Google Patents
Polyimide Composition for Electronic EquipmentInfo
- Publication number
- RU95115440A RU95115440A RU95115440/04A RU95115440A RU95115440A RU 95115440 A RU95115440 A RU 95115440A RU 95115440/04 A RU95115440/04 A RU 95115440/04A RU 95115440 A RU95115440 A RU 95115440A RU 95115440 A RU95115440 A RU 95115440A
- Authority
- RU
- Russia
- Prior art keywords
- aromatic
- polyimide composition
- tetracarboxylic acid
- polar solvent
- aprotic polar
- Prior art date
Links
- 229920001721 Polyimide Polymers 0.000 title claims 3
- 239000004642 Polyimide Substances 0.000 title claims 3
- 150000004984 aromatic diamines Chemical class 0.000 claims 4
- 239000002798 polar solvent Substances 0.000 claims 3
- 229920005575 poly(amic acid) Polymers 0.000 claims 3
- 150000004985 diamines Chemical class 0.000 claims 2
- 230000002194 synthesizing Effects 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 235000010290 biphenyl Nutrition 0.000 claims 1
- 239000004305 biphenyl Substances 0.000 claims 1
- 239000003607 modifier Substances 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 150000000000 tetracarboxylic acids Chemical class 0.000 claims 1
Claims (1)
где X- -O-, -С(CH3),
а в качестве диамина - один из ароматических диаминов общей формулы
где
при следующем соотношении компонентов, мас.%:
Днангидриддифенилтетракарбоновой кислоты - 2 - 10
Ароматический диамин - 2 - 10
Олигоимид - 0,5 - 5,0
Апротонный полярный растворитель - Остальное
2. Способ синтеза полиамидокислоты для полиимидной композиции для изделий электронной техники, включающий введение в апротонный полярный растворитель исходных мономеров полиамидокислоты - диангидрида ароматической тетракарбоновой кислоты и ароматического диамина, перемешивание и выдержку раствора при температуре синтеза, отличающийся тем, что в растворитель вводят диангидрид дифенилтетракарбоновой кислоты и один из диаминов в их эквимолярном соотношении, а выдержку раствора осуществляют при температуре -2 oC +4oС в течение 3,5 - 4,5 ч.1. Polyimide composition for electronic products, including polyamic acid, containing as starting monomers aromatic tetracarboxylic acid dianhydride and aromatic diamine, aprotic polar solvent and modifier - oligoimide, characterized in that diphenyl tetracarboxylic acid dianhydride of general formula
where X- -O-, -C (CH 3 ),
and as diamine, one of the aromatic diamines of the general formula
Where
in the following ratio, wt.%:
Dniohydridiphenyl tetracarboxylic acid - 2 - 10
Aromatic diamine - 2 - 10
Oligoimide - 0.5 - 5.0
Aprotic polar solvent - the Rest
2. A method of synthesizing polyamic acid for a polyimide composition for electronic products, including introducing into the aprotic polar solvent the starting monomers of the polyamic acid — aromatic tetracarboxylic acid dianhydride and aromatic diamine; stirring and holding the solution at synthesis temperature; one of the diamines in their equimolar ratio, and holding the solution is carried out at a temperature of -2 o C +4 o C for 3.5 - 4.5 hours
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RU95115440A true RU95115440A (en) | 1997-08-27 |
Family
ID=
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0203372B1 (en) | Process for making photopolymerizable aromatic polyamic acid derivatives | |
| US4654415A (en) | Method for the preparation of polyimide and polyisoindoloquinazoline dione precursors | |
| ATE182328T1 (en) | METHOD FOR PRODUCING BISCYANOACRYLATES | |
| CH619694A5 (en) | ||
| PT83992A (en) | PROCESS FOR THE PRODUCTION OF UNSYMMETRIC THIOETHERS | |
| JPS57131248A (en) | Polyamic acid solution composition and preparation thereof | |
| Balaban et al. | Synthesis and spectral data of some new N-nitroso-N-phenylhydroxylamine (cupferron) derivatives | |
| BR8900808A (en) | CLEANED SOLUTIONS BASED ON IMIDATED POLYAMIDES, DIETALLY RELIABLE AND CONFORMABLE, AND ITS PROCESS OF OBTAINING | |
| RU95115440A (en) | Polyimide Composition for Electronic Equipment | |
| ATE88202T1 (en) | BISMALEIMIDE SILOXANES AND PROCESS FOR THEIR PREPARATION. | |
| KR910009779A (en) | Polyimide Manufacturing Method | |
| US5587452A (en) | Polyamide-imide | |
| JPS6454029A (en) | Terminal-modified imide oligomer and its solution composition | |
| CH617447A5 (en) | ||
| JPS6454030A (en) | Terminal-modified imide oligomer and its solution composition | |
| JPH02225522A (en) | Fluorinated polyimide and polyimide acid | |
| DE59010542D1 (en) | Mixed polyimides and processes for their preparation | |
| RU93041054A (en) | NEW DERIVATIVES PILOKARPINA, METHOD FOR THEIR PRODUCTION AND PHARMACEUTICAL COMPOSITION | |
| RU2005116844A (en) | PERDEYTERED POLYIMIDES, METHOD FOR PRODUCING THEM AND APPLICATION AS MATERIALS TRANSPARENT IN THE RANGE OF 2500 TO 3500 SM-1 | |
| EP0222980A3 (en) | Polyester imide and process for its preparation | |
| JPS57137321A (en) | Preparation of aromatic polyester amide | |
| KR20010006311A (en) | Process for making polyimides from diamines and tetracarboxylic diacid diester | |
| SU514856A1 (en) | The method of producing polyamic acid | |
| ATE140941T1 (en) | POLYAMIDE AND PROCESS FOR THE PRODUCTION THEREOF | |
| RU2004100076A (en) | Branched copolyimides based on 4,5-bis (3-aminophenoxy) phthalic acid and aminophenoxyphthalic acids |