US4990575A
Expired / Lapsed
US
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Novel olefin-terminated ureas from polyoxyalkylene amines and isocyanates
Assignee: Huntsman Corp
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Filing: 1989-09-20
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Granted: 1991-02-05
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Expires: 2009-09-20
Abstract
Abstract Disclosed are novel compositions derived from polyoxyalkylene amines comprising olefin-terminated polyoxyalkylene ureas prepared by reacting polyoxyalkylene amines of the formula: ##STR1## with isopropenyl dimethylbenzyl isocyanate represented by the formula: ##STR2## said composition being represented by the formulas: ##STR3## where R'=H or methyl or ethyl and R" is the nucleus of a trifunctional polyol such as glycerine, trimethylolpropane, etc. and x has a value of 2 to 70.
Inventors
- 👤 Jiang-Jen Lin
- 👤 George P. Speranza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:00
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/50; C08G18/5021; C08G18/5024; C08G18/70; C08G18/81; C08G18/8108
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
79 words
A composition useful in cross-linking vinyl monomers comprising the reaction product of a polyoxyalkylene polyamine having the formula: ##STR15## wherein R is the nucleus of an oxyalkylation susceptible polyhydric alcohol containing 2 to 12 carbon atoms and 2 to 3 hydroxyl groups, R' is hydrogen or methyl, n is a number having an average value of 0 to 50 and m is an integer having a value of 2 to 3 and isopropenyl dimethylbenzyl isocyanate, having the formula: ##STR16##
Claim 2
Dependent Claim
79 words
A composition useful in cross-linking vinyl monomers comprising the reaction product of a polyoxyalkylene polyamine having the formula: ##STR15## wherein R is the nucleus of an oxyalkylation susceptible polyhydric alcohol containing 2 to 12 carbon atoms and 2 to 3 hydroxyl groups, R' is hydrogen or methyl, n is a number having an average value of 0 to 50 and m is an integer having a value of 2 to 3 and isopropenyl dimethylbenzyl isocyanate, having the formula: ##STR16##
Claim 3
Dependent Claim
35 words
An olefin-terminated polyoxyalkylene amine urea useful in cross-linking vinyl monomers having the formula: ##STR17## wherein R' is H, methyl or ethyl and x is a number having an average value of about 2 to 70.
Claim 4
Dependent Claim
35 words
An olefin-terminated polyoxyalkylene amine urea useful in cross-linking vinyl monomers having the formula: ##STR17## wherein R' is H, methyl or ethyl and x is a number having an average value of about 2 to 70.
Claim 5
Dependent Claim
23 words
The composition of claim 1 wherein the polyoxyalkylene amine has the formula: H.sub.2 N--CH.sub.2 CH.sub.2 O--.sub.n CH.sub.2 CH.sub.2 NH.sub.2 where n=2 or 3.
Claim 6
Dependent Claim
22 words
The composition of claim 3 where n=2, the amine is triethylene glycol diamine and the composition is represented by the formula: ##STR18##
Claim 7
Dependent Claim
43 words
The composition of claim 1 wherein the poyoxyalkylene amine has the formula: ##STR19## wherein a equals a number having a value of from about 1 to about 5 and b is a number having a value of from about 1 to about 500.
Claim 8
Dependent Claim
41 words
The composition of claim 5 wherein in the polyoxyalkylene amine has a value of about 1.3, and b has a value of about 40, the average molecular weight is about 2000 and the composition can be represented by the formula: ##STR20##
Claim 9
Dependent Claim
24 words
The composition of claim 1 wherein the polyoxyalkylene amine is represented by the formula: NH.sub.2 CH(CH.sub.3)CH.sub.2 --[OCH.sub.2 CH(CH.sub.3)].sub.x --NH.sub.2 where x is about 33.
Claim 10
Dependent Claim
36 words
The composition of claim 7 wherein x=about 33, the polyoxyalkylene amine has an approximate molecular weight of 2000 and the composition can be represented by the formula: ##STR21## where x has a value of about 33.
Claim 11
Dependent Claim
32 words
The composition of claim 1 represented by the formula: ##STR22## where a+b+c=3 to 100, and A represents the nucleus of an oxyalkylation susceptible trihydric alcohol having from 3 to 12 carbon atoms.
References Cited (Backward Citations)
US3896014A
Cited
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1994-02-04 | 1994-08-06 | 1995-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-02-04 | 1998-08-06 | 1999-02-05 | $3760.00 | Window Closed / Lapsed |
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