US4594397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bicyclic amide acetal/polyisocyanate/vinyl monomer derived polymers
Assignee: Ashland LLC
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Filing: 1985-02-19
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Granted: 1986-06-10
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Expires: 2005-02-19
Abstract
Abstract A process for preparing novel polymers having interpenetrating networks comprising polymerizing simultaneously a mixture of a bicyclic amide acetal, a polyisocyanate and a vinyl monomer component is described.
Inventors
- 👤 Anil B. Goel
- 👤 Timothy A. Tufts
- 👤 Peggy A. Blackburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:57
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3819; C08G18/3823; C08G18/3825; C08G18/3827; C08F; C08F283/00; C08F283/006; C08G18/04; C08L; C08L75/00; C08L75/04; C08G2120/00; C08G2270/00; C08L2205/00; C08L2205/04; Y; Y10; Y10S; Y10S525/00; Y10S525/903
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
75 words
The process comprising simultaneously polymerizing a mixture of a bicyclic amide acetal, a polyisocyanate and avinyl monomer component carried out at a temperature in the range of from about 25° C. to about 200° C. wherein the equivalent ratio of bicyclic amide acetal to polyisocyanate is in the range of from about 1:0.8 to 1:3 and the vinyl monomer component varies from 1% to 99% by weight based on the other components in the mixture.
Claim 2
Dependent Claim
75 words
The process comprising simultaneously polymerizing a mixture of a bicyclic amide acetal, a polyisocyanate and avinyl monomer component carried out at a temperature in the range of from about 25° C. to about 200° C. wherein the equivalent ratio of bicyclic amide acetal to polyisocyanate is in the range of from about 1:0.8 to 1:3 and the vinyl monomer component varies from 1% to 99% by weight based on the other components in the mixture.
Claim 3
Dependent Claim
30 words
The process of claim 1 wherein there is also included in the mixture frojm 0.1 to 5% by weight of the vinyl monomer component of a free radical polymerization initiator.
Claim 4
Dependent Claim
90 words
The process of claim 2 wherein the bicyclic amide acetal is one conforming to the Formula ##STR5## wherein R, R' and R"' independently represent hydrogen or an alkyl group having from 1 to 18 carbon atoms, R"' can also represent an alkyl ether, aryl ether or alkaryl ether group having from 1 to 18 carbon atoms, and R" represents an alkyl group having from 1 to 18 carbon atoms, an aryl group having from 6 to 12 carbon atoms, or an alkaryl group having from 7 to 20 carbon atoms.
Claim 5
Dependent Claim
22 words
The process of claim 3 wherein the vinyl component is composed of esters of olefinically unsaturated carboxylic acids or vinyl aromatic monomers.
Claim 6
Dependent Claim
11 words
The process of claim 4 wherein the polyisocyanate is a diisocyanate.
Claim 7
Dependent Claim
24 words
The process of claim 5 wherein the bicyclic amide acetal is one in which R, R' and R"' are hydrogen and R" is methyl.
Claim 8
Dependent Claim
12 words
The process of claim 6 wherein the diisocyanate is 4,4'-methylene bis(phenyl isocyanate).
Claim 9
Dependent Claim
13 words
The process of claim 7 wherein the vinyl monomer component is methyl methacrylate.
Claim 10
Dependent Claim
17 words
The process of claim 7 wherein the vinyl monomer component is methyl methacrylate and hexane diol diacrylate.
Claim 11
Dependent Claim
12 words
The process of claim 7 wherein the vinyl monomer component is styrene.
Claim 12
Dependent Claim
16 words
The process of claim 7 wherein the vinyl monomer component is styrene and hexane diol diacrylate.
Claim 13
Dependent Claim
14 words
The process of claim 1 wherein there is included in the mixture of polyol.
Claim 14
Dependent Claim
26 words
The process of claim 1 wherein there is included in the mixture a polyepoxide is a compound containing more than one group of the Formula ##STR6##
Claim 15
Dependent Claim
9 words
The polymer produced by the process of claim 1.
Claim 16
Dependent Claim
8 words
The polymer produced by the process of claim
References Cited (Backward Citations)
US4540767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-06-09 | 1989-12-09 | 1990-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-09 | 1993-12-09 | 1994-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-09 | 1997-12-09 | 1998-06-10 | $7700.00 | Window Closed / Lapsed |