ES404883A1 - Procedimiento para la obtencion de elastomeros de poliure- tano. - Google Patents
Procedimiento para la obtencion de elastomeros de poliure- tano.Info
- Publication number
- ES404883A1 ES404883A1 ES404883A ES404883A ES404883A1 ES 404883 A1 ES404883 A1 ES 404883A1 ES 404883 A ES404883 A ES 404883A ES 404883 A ES404883 A ES 404883A ES 404883 A1 ES404883 A1 ES 404883A1
- Authority
- ES
- Spain
- Prior art keywords
- tolylene
- polyurethane
- mono
- dicarboxylic acids
- prepolymer
- 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
- 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
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
-
- 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/166—Catalysts not provided for in the groups C08G18/18 - C08G18/26
- C08G18/168—Organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16308271A | 1971-07-15 | 1971-07-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES404883A1 true ES404883A1 (es) | 1976-01-01 |
Family
ID=22588408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES404883A Expired ES404883A1 (es) | 1971-07-15 | 1972-07-14 | Procedimiento para la obtencion de elastomeros de poliure- tano. |
Country Status (13)
-
0
- BE BE786279D patent/BE786279A/xx unknown
-
1972
- 1972-06-23 CA CA145,573A patent/CA989090A/en not_active Expired
- 1972-06-26 ZA ZA724364A patent/ZA724364B/xx unknown
- 1972-06-27 GB GB3009172A patent/GB1356549A/en not_active Expired
- 1972-06-29 AU AU44068/72A patent/AU466805B2/en not_active Expired
- 1972-06-30 NL NL7209145A patent/NL7209145A/xx not_active Application Discontinuation
- 1972-07-10 AR AR242985A patent/AR193277A1/es active
- 1972-07-11 IT IT51472/72A patent/IT961365B/it active
- 1972-07-12 FR FR7225201A patent/FR2145613B1/fr not_active Expired
- 1972-07-13 BR BR004643/72A patent/BR7204643D0/pt unknown
- 1972-07-14 CH CH1057772A patent/CH571550A5/xx not_active IP Right Cessation
- 1972-07-14 DE DE2234727A patent/DE2234727A1/de active Pending
- 1972-07-14 ES ES404883A patent/ES404883A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2145613B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-08-26 |
AU466805B2 (en) | 1975-11-13 |
GB1356549A (en) | 1974-06-12 |
ZA724364B (en) | 1973-03-28 |
AR193277A1 (es) | 1973-04-11 |
BE786279A (fr) | 1973-01-15 |
DE2234727A1 (de) | 1973-01-25 |
CH571550A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-01-15 |
NL7209145A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-01-17 |
AU4406872A (en) | 1974-01-03 |
BR7204643D0 (pt) | 1973-08-23 |
FR2145613A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-02-23 |
IT961365B (it) | 1973-12-10 |
CA989090A (en) | 1976-05-11 |
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