FR2268043A1 - Heat-stable multi-cellular materials - prepd from mixt. of bis-imide type polymer, blowing agent and surface active agent - Google Patents
Heat-stable multi-cellular materials - prepd from mixt. of bis-imide type polymer, blowing agent and surface active agentInfo
- Publication number
- FR2268043A1 FR2268043A1 FR7413693A FR7413693A FR2268043A1 FR 2268043 A1 FR2268043 A1 FR 2268043A1 FR 7413693 A FR7413693 A FR 7413693A FR 7413693 A FR7413693 A FR 7413693A FR 2268043 A1 FR2268043 A1 FR 2268043A1
- Authority
- FR
- France
- Prior art keywords
- mixt
- prepd
- contg
- imide
- bis
- 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.)
- Granted
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
- C08J9/16—Making expandable particles
-
- 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
-
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7413693A FR2268043A1 (en) | 1974-04-19 | 1974-04-19 | Heat-stable multi-cellular materials - prepd from mixt. of bis-imide type polymer, blowing agent and surface active agent |
NL7504357A NL7504357A (nl) | 1974-04-19 | 1975-04-11 | Werkwijze voor de bereiding van thermostabiele multicellulaire materialen, alsmede de geheel of ten dele uit deze multicellulaire materialen bestaande gevormde voortbrengsels. |
JP50046282A JPS5110867A (en) | 1974-04-19 | 1975-04-16 | Takoseibutsushitsuno seizohoho |
IE856/75A IE42118B1 (en) | 1974-04-19 | 1975-04-16 | Process for the manufacture of heat resistant multicellular materials |
US05/569,316 US4057518A (en) | 1974-04-19 | 1975-04-17 | Process for the manufacture of heat resistant multicellular materials |
CA224,999A CA1069650A (fr) | 1974-04-19 | 1975-04-18 | Materiaux multicellulaires en polymeres thermostables derives de bis-imides |
BE155557A BE828122A (fr) | 1974-04-19 | 1975-04-18 | Procede de fabrication de materiaux multicellulaires thermostables |
IT22529/75A IT1037452B (it) | 1974-04-19 | 1975-04-18 | Procedimento per fabbricare materiali multicellulari termostabili |
DK167775AA DK141605B (da) | 1974-04-19 | 1975-04-18 | Fremgangsmåde til fremstilling af varmebestandige formede genstande af multicellulære polyimider. |
DE19752517106 DE2517106A1 (de) | 1974-04-19 | 1975-04-18 | Verfahren zur herstellung waermestabiler multizellularer materialien |
LU72316A LU72316A1 (US06174465-20010116-C00003.png) | 1974-04-19 | 1975-04-18 | |
GB16157/75A GB1498077A (en) | 1974-04-19 | 1975-04-18 | Process for the manufacture of heat resistant multicellular materials |
CH500875A CH606213A5 (US06174465-20010116-C00003.png) | 1974-04-19 | 1975-04-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7413693A FR2268043A1 (en) | 1974-04-19 | 1974-04-19 | Heat-stable multi-cellular materials - prepd from mixt. of bis-imide type polymer, blowing agent and surface active agent |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2268043A1 true FR2268043A1 (en) | 1975-11-14 |
FR2268043B1 FR2268043B1 (US06174465-20010116-C00003.png) | 1979-01-26 |
Family
ID=9137865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7413693A Granted FR2268043A1 (en) | 1974-04-19 | 1974-04-19 | Heat-stable multi-cellular materials - prepd from mixt. of bis-imide type polymer, blowing agent and surface active agent |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE828122A (US06174465-20010116-C00003.png) |
FR (1) | FR2268043A1 (US06174465-20010116-C00003.png) |
-
1974
- 1974-04-19 FR FR7413693A patent/FR2268043A1/fr active Granted
-
1975
- 1975-04-18 BE BE155557A patent/BE828122A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2268043B1 (US06174465-20010116-C00003.png) | 1979-01-26 |
BE828122A (fr) | 1975-10-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |