PT88558A - Processo para a preparacao de espumas de poliuretano - Google Patents
Processo para a preparacao de espumas de poliuretanoInfo
- Publication number
- PT88558A PT88558A PT88558A PT8855888A PT88558A PT 88558 A PT88558 A PT 88558A PT 88558 A PT88558 A PT 88558A PT 8855888 A PT8855888 A PT 8855888A PT 88558 A PT88558 A PT 88558A
- Authority
- PT
- Portugal
- Prior art keywords
- cpd
- methylene
- phenyl isocyanate
- water
- obtd
- Prior art date
Links
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 title 2
- DGTNSSLYPYDJGL-UHFFFAOYSA-N phenyl isocyanate Chemical compound O=C=NC1=CC=CC=C1 DGTNSSLYPYDJGL-UHFFFAOYSA-N 0.000 title 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title 1
- 241001082241 Lythrum hyssopifolia Species 0.000 title 1
- 229910052739 hydrogen Inorganic materials 0.000 title 1
- 239000001257 hydrogen Substances 0.000 title 1
- 239000004721 Polyphenylene oxide Substances 0.000 abstract 2
- 229920000570 polyether Polymers 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 239000004604 Blowing Agent Substances 0.000 abstract 1
- 229920005830 Polyurethane Foam Polymers 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 150000001718 carbodiimides Chemical class 0.000 abstract 1
- 150000008282 halocarbons Chemical class 0.000 abstract 1
- 229920000768 polyamine Polymers 0.000 abstract 1
- 229920005906 polyester polyol Polymers 0.000 abstract 1
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
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
-
- 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
- C08J9/08—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 carbon dioxide
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)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB878722148A GB8722148D0 (en) | 1987-09-21 | 1987-09-21 | Polyurethane foam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PT88558A true PT88558A (pt) | 1989-07-31 |
| PT88558B PT88558B (pt) | 1993-06-30 |
Family
ID=10624115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT88558A PT88558B (pt) | 1987-09-21 | 1988-09-20 | Processo para a preparacao de espumas de poliuretano |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR970010749B1 (pt) |
| GB (1) | GB8722148D0 (pt) |
| PT (1) | PT88558B (pt) |
| ZA (1) | ZA886491B (pt) |
-
1987
- 1987-09-21 GB GB878722148A patent/GB8722148D0/en active Pending
-
1988
- 1988-08-31 ZA ZA886491A patent/ZA886491B/xx unknown
- 1988-09-20 PT PT88558A patent/PT88558B/pt not_active IP Right Cessation
- 1988-09-21 KR KR1019880012167A patent/KR970010749B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR970010749B1 (ko) | 1997-06-30 |
| KR890005169A (ko) | 1989-05-13 |
| ZA886491B (en) | 1989-05-30 |
| GB8722148D0 (en) | 1987-10-28 |
| PT88558B (pt) | 1993-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG3A | Patent granted, date of granting |
Effective date: 19921215 |
|
| PC3A | Transfer or assignment |
Free format text: 20000630 HUNTSMAN ICI CHEMICALS LLC US |
|
| MM4A | Annulment/lapse due to non-payment of fees, searched and examined patent |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 20070615 |
|
| MM4A | Annulment/lapse due to non-payment of fees, searched and examined patent |
Free format text: MAXIMUM VALIDITY LIMIT REACHED Effective date: 20080920 |