CA1028799A - Melanges polyimides pouvant etre transformes en matieres plastiques aerees refractaires - Google Patents
Melanges polyimides pouvant etre transformes en matieres plastiques aerees refractairesInfo
- Publication number
- CA1028799A CA1028799A CA217,869A CA217869A CA1028799A CA 1028799 A CA1028799 A CA 1028799A CA 217869 A CA217869 A CA 217869A CA 1028799 A CA1028799 A CA 1028799A
- Authority
- CA
- Canada
- Prior art keywords
- mixtures
- converted
- heat
- foamed plastics
- resistant foamed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
-
- 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
- C08G73/12—Unsaturated polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH57174 | 1974-01-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1028799A true CA1028799A (fr) | 1978-03-28 |
Family
ID=4190080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA217,869A Expired CA1028799A (fr) | 1974-01-16 | 1975-01-14 | Melanges polyimides pouvant etre transformes en matieres plastiques aerees refractaires |
Country Status (12)
Country | Link |
---|---|
US (1) | US3950279A (fr) |
JP (1) | JPS595134B2 (fr) |
AT (1) | AT337460B (fr) |
BE (1) | BE824383A (fr) |
CA (1) | CA1028799A (fr) |
DD (1) | DD116845A5 (fr) |
DE (1) | DE2501016C2 (fr) |
ES (1) | ES433805A1 (fr) |
FR (1) | FR2257628B1 (fr) |
GB (1) | GB1496171A (fr) |
NL (1) | NL7500119A (fr) |
ZA (1) | ZA75287B (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2459961A1 (de) * | 1973-12-21 | 1975-07-03 | Ciba Geigy Ag | Verfahren zur herstellung von imidgruppen aufweisenden polyadditionsprodukten |
NL7500120A (nl) * | 1974-01-16 | 1975-07-18 | Ciba Geigy | Tot in de hitte stabiele, opgeschuimde materia- len verwerkbare prepolymeren bevattende meng- sels. |
US4110274A (en) * | 1977-10-17 | 1978-08-29 | The Dow Chemical Company | Method for making crosslinked resin foams from an ethylenically unsaturated dicarboxylic acid anhydride and a polyisocyanate |
CA1111997A (fr) * | 1977-10-17 | 1981-11-03 | John M. Corbett | Mousses formees de resines a base de polymeres d'ethylene comportant des liaisons transversales avec des imides |
JPS5611917A (en) * | 1979-07-10 | 1981-02-05 | Mitsui Toatsu Chem Inc | Thermosetting resin composition |
-
1975
- 1975-01-06 NL NL7500119A patent/NL7500119A/xx not_active Application Discontinuation
- 1975-01-13 DE DE2501016A patent/DE2501016C2/de not_active Expired
- 1975-01-14 CA CA217,869A patent/CA1028799A/fr not_active Expired
- 1975-01-14 US US05/540,923 patent/US3950279A/en not_active Expired - Lifetime
- 1975-01-14 DD DD183628A patent/DD116845A5/xx unknown
- 1975-01-15 ZA ZA00750287A patent/ZA75287B/xx unknown
- 1975-01-15 ES ES433805A patent/ES433805A1/es not_active Expired
- 1975-01-15 AT AT26175A patent/AT337460B/de not_active IP Right Cessation
- 1975-01-15 GB GB1819/75A patent/GB1496171A/en not_active Expired
- 1975-01-15 FR FR7501074A patent/FR2257628B1/fr not_active Expired
- 1975-01-15 BE BE152375A patent/BE824383A/fr unknown
- 1975-01-16 JP JP50007385A patent/JPS595134B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7500119A (nl) | 1975-07-18 |
BE824383A (fr) | 1975-07-15 |
ES433805A1 (es) | 1977-04-01 |
DD116845A5 (fr) | 1975-12-12 |
DE2501016A1 (de) | 1975-07-17 |
AU7732075A (en) | 1976-07-15 |
FR2257628A1 (fr) | 1975-08-08 |
US3950279A (en) | 1976-04-13 |
JPS50107062A (fr) | 1975-08-23 |
AT337460B (de) | 1977-07-11 |
JPS595134B2 (ja) | 1984-02-02 |
DE2501016C2 (de) | 1984-09-13 |
ATA26175A (de) | 1976-10-15 |
FR2257628B1 (fr) | 1976-12-31 |
ZA75287B (en) | 1976-01-28 |
GB1496171A (en) | 1977-12-30 |
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