JPS5212276A - Foaming agent using urea and acid anhydride as base material - Google Patents
Foaming agent using urea and acid anhydride as base materialInfo
- Publication number
- JPS5212276A JPS5212276A JP8262176A JP8262176A JPS5212276A JP S5212276 A JPS5212276 A JP S5212276A JP 8262176 A JP8262176 A JP 8262176A JP 8262176 A JP8262176 A JP 8262176A JP S5212276 A JPS5212276 A JP S5212276A
- Authority
- JP
- Japan
- Prior art keywords
- urea
- base material
- acid anhydride
- foaming agent
- foaming
- 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.)
- Pending
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
Landscapes
- Chemical & Material Sciences (AREA)
- General 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)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752531630 DE2531630A1 (de) | 1975-07-15 | 1975-07-15 | Treibmittelkombination auf basis harnstoff und saeureanhydriden |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5212276A true JPS5212276A (en) | 1977-01-29 |
Family
ID=5951574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8262176A Pending JPS5212276A (en) | 1975-07-15 | 1976-07-13 | Foaming agent using urea and acid anhydride as base material |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5212276A (de) |
BE (1) | BE844032A (de) |
BR (1) | BR7604584A (de) |
DE (1) | DE2531630A1 (de) |
ES (1) | ES449816A1 (de) |
FR (1) | FR2318196A1 (de) |
NL (1) | NL7607790A (de) |
-
1975
- 1975-07-15 DE DE19752531630 patent/DE2531630A1/de active Pending
-
1976
- 1976-07-12 BE BE168828A patent/BE844032A/xx unknown
- 1976-07-13 JP JP8262176A patent/JPS5212276A/ja active Pending
- 1976-07-14 ES ES449816A patent/ES449816A1/es not_active Expired
- 1976-07-14 BR BR7604584A patent/BR7604584A/pt unknown
- 1976-07-14 NL NL7607790A patent/NL7607790A/xx unknown
- 1976-07-15 FR FR7621681A patent/FR2318196A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
ES449816A1 (es) | 1977-08-01 |
DE2531630A1 (de) | 1977-02-03 |
FR2318196A1 (fr) | 1977-02-11 |
NL7607790A (nl) | 1977-01-18 |
BE844032A (fr) | 1977-01-12 |
FR2318196B3 (de) | 1979-04-06 |
BR7604584A (pt) | 1977-08-02 |
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