GB857078A - Process for the manufacture of a new polyurethane plastic material - Google Patents
Process for the manufacture of a new polyurethane plastic materialInfo
- Publication number
- GB857078A GB857078A GB1160857A GB1160857A GB857078A GB 857078 A GB857078 A GB 857078A GB 1160857 A GB1160857 A GB 1160857A GB 1160857 A GB1160857 A GB 1160857A GB 857078 A GB857078 A GB 857078A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mixture
- pentaerythritol
- isocyanate
- polyester
- manufacture
- 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
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7678—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing condensed aromatic rings
-
- 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
-
- 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
- C08G18/22—Catalysts containing metal compounds
- C08G18/225—Catalysts containing metal compounds of alkali or alkaline earth metals
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
In a process for the manufacture of a flexible polyurethane plastic material, a linear aliphatic hydroxy-polyester is reacted with an excess of a di-isocyanate and to the isocyanate polyester obtained there is added 0,001 to 0,1% by weight of an alkali metal salt of a fatty acid, an arylsulphonate or an alkali sulphonate, as activator, and there is also incorporated into the isocyanate polyester at raised temperature a reticulator which comprises a mixture of a dihydric and a trihydric alcohol, the dihydric alcohol in the mixture having been first saturated with pentaerythritol at the raised temperature to such an extent that a sediment of pentaerythritol remained and then filtering off the said sediment. In an example excess 1:5-napththalene diisocyanate is reacted with an adipic acid/ethylene glycol hydroxypolyester containing 0,001% of sodium stearate. There is then added a reticulator mixture comprising butane 1:4 diol and trimethylol propane which has been saturated at 110 DEG C. with pentaerythritol, and the reaction mixture is maintained at 110 DEG C. The products are useful as inserts for the disc wheels of rail cars such as those described in Specification 791,371.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1171002X | 1938-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB857078A true GB857078A (en) | 1960-12-29 |
Family
ID=6789473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1160857A Expired GB857078A (en) | 1938-06-30 | 1957-04-09 | Process for the manufacture of a new polyurethane plastic material |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1171002A (en) |
GB (1) | GB857078A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3617352A (en) * | 1966-02-02 | 1971-11-02 | Takeo Shima | Process, agent and article relating to improved adhesion between a shaped article of a crystalline polyester and rubber |
-
1957
- 1957-04-08 FR FR1171002D patent/FR1171002A/en not_active Expired
- 1957-04-09 GB GB1160857A patent/GB857078A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3617352A (en) * | 1966-02-02 | 1971-11-02 | Takeo Shima | Process, agent and article relating to improved adhesion between a shaped article of a crystalline polyester and rubber |
Also Published As
Publication number | Publication date |
---|---|
FR1171002A (en) | 1959-01-21 |
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