Claims
- 1. Compounds having the formula
- H--A--(BA).sub.n --OH
- wherein
- n is 1-20;
- A is ##STR9## B is ##STR10## R.sub.1 is alkyl having 1-6 carbon atoms; R.sub.2 is an alkylene having 1-6 carbon atoms, alkenylene having 2-6 carbon atoms, cyclo-alkylene or cycloalkenylene having 5-8 carbon atoms or phenylene having 6-10 carbon atoms;
- a is 1-6; and
- b is 2-6.
- 2. Compounds according to claim 1 wherein R.sub.1 is methyl or ethyl.
- 3. Compounds according to claim 1 wherein R.sub.2 is ethylene, trimethylene or tetramethylene.
- 4. Compounds according to claim 1 wherein a is 2 or 3.
- 5. Compounds according to claim 1 wherein b is 4 or 5.
- 6. Compounds according to claim 1 wherein n is 1-15.
- 7. Compounds according to claim 1, wherein R.sub.1 is selected from the group consisting of methyl and ethyl; R.sub.2 is selected from the group consisting of ethylene, trimethylene and tetramethylene; a is 2 or 3; b is 4 or 5; and n is 1-15.
- 8. Process for preparing a polyurethane by reacting a compound according to claim 1 with a polyisocyanate, wherein said compound is present in an amount of from 20 to 90% by weight of said polyisocyanate and said compound according to claim 1 and said reaction is carried out at an index of 80 to 120.
- 9. Reaction systems comprising in separate containers
- (a) a polyisocyanate; and
- (b) a compound according to claim 1, wherein said compound is present in an amount of from 20 to 90% by weight of said polyisocyanate and said compound according to claim 1 and said reaction is carried out at an index of 80 to 120.
Priority Claims (1)
Number |
Date |
Country |
Kind |
9221869 |
Oct 1992 |
GBX |
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CROSS-REFERENCE TO RELATED APPLICATIONS
The present application is a continuation of U.S. patent application Ser. No. 08/125,875 filed Sep. 23, 1993, entitled "Novel Polyols" now abandoned.
US Referenced Citations (5)
Foreign Referenced Citations (4)
Number |
Date |
Country |
0235887 |
Sep 1987 |
EPX |
594292 |
Apr 1994 |
EPX |
03070734 |
Mar 1991 |
JPX |
561108 |
May 1944 |
GBX |
Non-Patent Literature Citations (3)
Entry |
Lactone-Based Diol Chain Extenders for Polyurethanes, The Society of the Plastics Industry, Inc., Polyurethane Division, Nov. 5-7, 1984, pp. 138-141. |
Chemical Abstracts, 114: 229675u, Jun., 1991. |
Chemical Abstracts, 110: 136939k, Apr., 1991. |
Continuations (1)
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Number |
Date |
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Parent |
125875 |
Sep 1993 |
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