GB1375839A - - Google Patents
Info
- Publication number
- GB1375839A GB1375839A GB602671A GB602671A GB1375839A GB 1375839 A GB1375839 A GB 1375839A GB 602671 A GB602671 A GB 602671A GB 602671 A GB602671 A GB 602671A GB 1375839 A GB1375839 A GB 1375839A
- Authority
- GB
- United Kingdom
- Prior art keywords
- salt
- polyamide
- water
- alkali metal
- produced
- 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
- 239000004952 Polyamide Substances 0.000 abstract 4
- 229920002647 polyamide Polymers 0.000 abstract 4
- 150000003839 salts Chemical class 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 229910052783 alkali metal Inorganic materials 0.000 abstract 2
- -1 alkali metal salt Chemical class 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 abstract 2
- 239000012948 isocyanate Substances 0.000 abstract 2
- 150000002513 isocyanates Chemical class 0.000 abstract 2
- 150000003951 lactams Chemical class 0.000 abstract 2
- USVVENVKYJZFMW-ONEGZZNKSA-N (e)-carboxyiminocarbamic acid Chemical compound OC(=O)\N=N\C(O)=O USVVENVKYJZFMW-ONEGZZNKSA-N 0.000 abstract 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 abstract 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 abstract 1
- 238000010539 anionic addition polymerization reaction Methods 0.000 abstract 1
- ROORDVPLFPIABK-UHFFFAOYSA-N diphenyl carbonate Chemical compound C=1C=CC=CC=1OC(=O)OC1=CC=CC=C1 ROORDVPLFPIABK-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 238000006116 polymerization reaction Methods 0.000 abstract 1
- 229920001296 polysiloxane Polymers 0.000 abstract 1
- 229910052700 potassium Inorganic materials 0.000 abstract 1
- 239000011591 potassium Substances 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 229910000104 sodium hydride Inorganic materials 0.000 abstract 1
- 239000012312 sodium hydride Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000004094 surface-active agent Substances 0.000 abstract 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 abstract 1
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
- C08J9/10—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 developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/16—Preparatory processes
- C08G69/18—Anionic polymerisation
- C08G69/20—Anionic polymerisation characterised by the catalysts used
-
- 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
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
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)
- Polyamides (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB602671A GB1375839A (enrdf_load_stackoverflow) | 1972-02-23 | 1972-02-23 | |
| NL7202835A NL7202835A (enrdf_load_stackoverflow) | 1972-02-23 | 1972-03-03 | |
| DE19722210427 DE2210427A1 (de) | 1972-02-23 | 1972-03-03 | Verfahren zur Herstellung von Polyamiden und Polyamidschäumen |
| US500883A US3926865A (en) | 1972-02-23 | 1974-08-27 | Process for polymerizing lactams in the presence of azodicarboxylate and isocyanate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB602671A GB1375839A (enrdf_load_stackoverflow) | 1972-02-23 | 1972-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1375839A true GB1375839A (enrdf_load_stackoverflow) | 1974-11-27 |
Family
ID=9807073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB602671A Expired GB1375839A (enrdf_load_stackoverflow) | 1972-02-23 | 1972-02-23 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2210427A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1375839A (enrdf_load_stackoverflow) |
| NL (1) | NL7202835A (enrdf_load_stackoverflow) |
-
1972
- 1972-02-23 GB GB602671A patent/GB1375839A/en not_active Expired
- 1972-03-03 DE DE19722210427 patent/DE2210427A1/de active Pending
- 1972-03-03 NL NL7202835A patent/NL7202835A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2210427A1 (de) | 1972-09-14 |
| NL7202835A (enrdf_load_stackoverflow) | 1972-09-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |