JPS5474897A - Preparation of polyurethane - Google Patents
Preparation of polyurethaneInfo
- Publication number
- JPS5474897A JPS5474897A JP14300677A JP14300677A JPS5474897A JP S5474897 A JPS5474897 A JP S5474897A JP 14300677 A JP14300677 A JP 14300677A JP 14300677 A JP14300677 A JP 14300677A JP S5474897 A JPS5474897 A JP S5474897A
- Authority
- JP
- Japan
- Prior art keywords
- groups
- polyurethane
- compound
- aminomethyl
- tris
- 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
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
PURPOSE: To prepare a polyurethane composition which is curable at room temperature, and gives a cured product having excellent heat resistance and machanical properties, by the use of tris(aminomethyl)hexane derivative as a chain extender or a crosslinking agent.
CONSTITUTION: A cold curing polyurethane is prepared by adding 1, 3, 6-tris(aminomethyl)hexane derivative of formula I [at least one of X1-X6 is II (R is 2-12C difunctional aliphatic or aromatic hydrocarbon group; n is an integer of 1-12) and the rest are H] as a chain extender or a crosslinking agent, to the reaction mixture for the preparation of polyurethane from a polyisocyanate having at least two terminal isocyanate groups, e.g. tolylene diisocyanate, and a compound having at least two groups having an active hydrogen atom, e.g. polyalkylene ether glycol. The number ratio of the NCO group to the total number of the active hydrogen atom of the above compound and the hydrogen atoms of the OH groups and amino groups in the compound I, is pref. 1 to 0.9-1.5.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14300677A JPS5474897A (en) | 1977-11-29 | 1977-11-29 | Preparation of polyurethane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14300677A JPS5474897A (en) | 1977-11-29 | 1977-11-29 | Preparation of polyurethane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5474897A true JPS5474897A (en) | 1979-06-15 |
Family
ID=15328749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14300677A Pending JPS5474897A (en) | 1977-11-29 | 1977-11-29 | Preparation of polyurethane |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5474897A (en) |
-
1977
- 1977-11-29 JP JP14300677A patent/JPS5474897A/en active Pending
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