ZA742571B - An improvement in or relating to composition and method of preparing polymide precursor and polymide therefrom - Google Patents
An improvement in or relating to composition and method of preparing polymide precursor and polymide therefromInfo
- Publication number
- ZA742571B ZA742571B ZA00742571A ZA742571A ZA742571B ZA 742571 B ZA742571 B ZA 742571B ZA 00742571 A ZA00742571 A ZA 00742571A ZA 742571 A ZA742571 A ZA 742571A ZA 742571 B ZA742571 B ZA 742571B
- Authority
- ZA
- South Africa
- Prior art keywords
- polymide
- relating
- therefrom
- preparing
- improvement
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/343—Polycarboxylic acids having at least three carboxylic acid groups
- C08G18/346—Polycarboxylic acids having at least three carboxylic acid groups having four carboxylic acid groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1003—Preparatory processes
- C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1003—Preparatory processes
- C08G73/1035—Preparatory processes from tetracarboxylic acids or derivatives and diisocyanates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Paints Or Removers (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00363771A US3853813A (en) | 1973-05-24 | 1973-05-24 | Polyimide precursor and method and composition for preparing it |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA742571B true ZA742571B (en) | 1975-04-30 |
Family
ID=23431659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00742571A ZA742571B (en) | 1973-05-24 | 1974-04-23 | An improvement in or relating to composition and method of preparing polymide precursor and polymide therefrom |
Country Status (11)
Country | Link |
---|---|
US (1) | US3853813A (ja) |
JP (1) | JPS5222800B2 (ja) |
BE (1) | BE815383A (ja) |
CA (1) | CA1021092A (ja) |
CH (1) | CH603711A5 (ja) |
DE (1) | DE2424672C2 (ja) |
ES (1) | ES426567A1 (ja) |
FR (1) | FR2230677B1 (ja) |
GB (1) | GB1454315A (ja) |
IT (1) | IT1013903B (ja) |
ZA (1) | ZA742571B (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3952084A (en) * | 1974-05-03 | 1976-04-20 | Westinghouse Electric Corporation | Polyimide and polyamide-imide precursors prepared from esters, dianhydrides, and diisocyanates |
US4160753A (en) * | 1974-07-26 | 1979-07-10 | Bayer Aktiengesellschaft | Process for the production of polyamide-polyureas and dispersions thereof in water |
US4001186A (en) * | 1974-11-07 | 1977-01-04 | The Upjohn Company | Preparation of polyimide from organic diisocyanate with alkali metal salt of alcohol as catalyst |
US4021412A (en) * | 1974-11-07 | 1977-05-03 | The Upjohn Company | Alkali metal lactamate catalyst for the polymerization of diisocyanate with tetracarboxylic acid/dianhydride |
DE2535335C2 (de) * | 1975-08-07 | 1986-05-28 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Imid-Gruppen enthaltenden Polykondensaten |
US4092442A (en) * | 1976-12-30 | 1978-05-30 | International Business Machines Corporation | Method of depositing thin films utilizing a polyimide mask |
US4427822A (en) | 1982-02-15 | 1984-01-24 | Hitachi Chemical Co., Ltd. | Process for producing particulate polymer having imide groups |
US5470936A (en) * | 1993-05-28 | 1995-11-28 | Industrial Technology Research Institute | Process for preparing high-adhesion and high-solubility poly (amide-imide-ester) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3179614A (en) * | 1961-03-13 | 1965-04-20 | Du Pont | Polyamide-acids, compositions thereof, and process for their preparation |
NL280333A (ja) * | 1961-06-30 | |||
CH466924A (fr) * | 1965-07-02 | 1968-12-31 | Rhodiaceta | Procédé de fabrication de polyimides |
US3489696A (en) * | 1966-10-06 | 1970-01-13 | Mobay Chemical Corp | Process of preparing polyimides from isocyanates and polycarboxylic acids |
CH500245A (fr) * | 1968-11-19 | 1970-12-15 | Rhodiaceta | Procédé de fabrication d'un produit en solution destiné à la fabrication, par chauffage, d'un polymère contenant des groupes imides |
US3666709A (en) * | 1968-12-14 | 1972-05-30 | Shawa Densen Denran Kk A K A S | Solvent soluble aromatic polymides and production thereof |
US3708458A (en) * | 1971-03-16 | 1973-01-02 | Upjohn Co | Copolyimides of benzophenone tetracarboxylic acid dianhydride and mixture of diisocyanates |
-
1973
- 1973-05-24 US US00363771A patent/US3853813A/en not_active Expired - Lifetime
-
1974
- 1974-04-23 ZA ZA00742571A patent/ZA742571B/xx unknown
- 1974-05-06 CA CA198,991A patent/CA1021092A/en not_active Expired
- 1974-05-21 DE DE2424672A patent/DE2424672C2/de not_active Expired
- 1974-05-22 FR FR7417900A patent/FR2230677B1/fr not_active Expired
- 1974-05-22 ES ES426567A patent/ES426567A1/es not_active Expired
- 1974-05-22 CH CH708474A patent/CH603711A5/xx not_active IP Right Cessation
- 1974-05-22 IT IT41602/74A patent/IT1013903B/it active
- 1974-05-22 BE BE1005978A patent/BE815383A/xx unknown
- 1974-05-23 JP JP49057408A patent/JPS5222800B2/ja not_active Expired
- 1974-05-23 GB GB2307474A patent/GB1454315A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1454315A (en) | 1976-11-03 |
JPS5033299A (ja) | 1975-03-31 |
AU6828274A (en) | 1975-10-30 |
BE815383A (fr) | 1974-11-22 |
US3853813A (en) | 1974-12-10 |
FR2230677B1 (ja) | 1979-07-13 |
IT1013903B (it) | 1977-03-30 |
CH603711A5 (ja) | 1978-08-31 |
ES426567A1 (es) | 1976-09-01 |
CA1021092A (en) | 1977-11-15 |
DE2424672C2 (de) | 1985-02-14 |
JPS5222800B2 (ja) | 1977-06-20 |
DE2424672A1 (de) | 1974-12-12 |
FR2230677A1 (ja) | 1974-12-20 |
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