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United States Patent | 4,000,105 |
Olstowski | December 28, 1976 |
Compositions which will rapidly set to produce solid, rigid polyurethanes without the use of a catalyst comprise an amine initiated polyether polyol such as triethanol amine, an aromatic polyisocyanate, such as toluene diisocyanate and a liquid modifier compound having a boiling point above about 150.degree. C such as dioctylphthalate.
Inventors: | Olstowski; Franciszek (Freeport, TX) |
Assignee: |
The Dow Chemical Company
(Midland,
MI)
|
Appl. No.: | 05/405,243 |
Filed: | October 10, 1973 |
Application Number | Filing Date | Patent Number | Issue Date | ||
327718 | Jan., 1973 | ||||
221784 | Jan., 1972 | ||||
Current U.S. Class: | 524/772 ; 524/775; 524/874 |
Current International Class: | C08G 18/00 (20060101); C08K 5/00 (20060101); C08G 18/50 (20060101); C08G 18/08 (20060101); C08G 18/32 (20060101); C08K 005/10 () |
Field of Search: | 260/31.2N,31.4,31.6,31.8N,33.6UR,33.8UB,77.5AQ |
3075928 | January 1963 | Lanham |
3143517 | August 1964 | Heiss |
3378511 | April 1968 | Newton |
3489723 | January 1970 | Kraft |
3725355 | April 1973 | Parrish |
3726827 | April 1973 | Jones |
3746692 | July 1973 | Olstowski |