USH731H
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blends of thermoplastic polymers and modified block copolymers
Assignee: William P. Gergen
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Filing: 1988-02-17
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Granted: 1990-02-06
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Expires: 2008-02-17
Abstract
Abstract The present invention relates to polymer composition containing a thermoplastic polymer containing a primary or secondary amine and a thermally stable modified selectively hydrogenated alkenyl arene/conjugated diene copolymer wherein an amide functional group is grafted to the block copolymer primarily in the alkenyl arene blocks thereof.
Inventors
- 👤 William P. Gergen
- 👤 Robert G. Lutz
- 👤 Carl L. Willis
- 👤 Lorelle A. Pottick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 00:59
CPC Classifications
C; C08; C08L; C08L67/00; C08G; C08G81/00; C08L51/00; C08L51/006; C08L53/00; C08L53/02; C08L53/025; C08L77/00
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
177 words
A multiphase polymer composition comprising: (a) one phase containing at least be thermoplastic polymer containing a primary or secondary amine; and (b) at least one other phase containing at least one composition to which has been grafted an effective amount of amide functional groups for toughening said multi-phase polymer compositions, said compositions comprising: (1) a selectively hydrogenated block copolymer which comprises (i) at least one polymer block A, said A block prior to hydrogenated being at least predominately a polymerized alkenyl arene block, and (ii) at least one hydrogenated polymer block B, said B block prior to hydrogenation being at least predominately a polymerized conjugated diene block, and (2) wherein substantially all of said amide functional groups are grafted to said block copolymer on said A blocks, and (3) wherein said amide functional groups are represented by the general formula ##STR10## wherein R is an alkyl, cycloalkyl, or aryl radical, and (c) said one phase (a) being present in a weight ratio of about 99: to about 1:99 relative to said at least one other phase (b).
Claim 2
Dependent Claim
177 words
A multiphase polymer composition comprising: (a) one phase containing at least be thermoplastic polymer containing a primary or secondary amine; and (b) at least one other phase containing at least one composition to which has been grafted an effective amount of amide functional groups for toughening said multi-phase polymer compositions, said compositions comprising: (1) a selectively hydrogenated block copolymer which comprises (i) at least one polymer block A, said A block prior to hydrogenated being at least predominately a polymerized alkenyl arene block, and (ii) at least one hydrogenated polymer block B, said B block prior to hydrogenation being at least predominately a polymerized conjugated diene block, and (2) wherein substantially all of said amide functional groups are grafted to said block copolymer on said A blocks, and (3) wherein said amide functional groups are represented by the general formula ##STR10## wherein R is an alkyl, cycloalkyl, or aryl radical, and (c) said one phase (a) being present in a weight ratio of about 99: to about 1:99 relative to said at least one other phase (b).
Claim 3
Dependent Claim
22 words
The composition according to claim 1, wherein said thermoplastic polymer is selected from the group consisting of amine terminated polyesters and polyamides.
Claim 4
Dependent Claim
13 words
The composition according to claim 2, wherein said thermoplastic polymer is a polyamide.
Claim 5
Dependent Claim
15 words
The composition according to claim 2, wherein said thermoplastic polymer is an amine terminated polyester.
Claim 6
Dependent Claim
15 words
The composition according to claim 4, wherein said thermoplastic polymer is an amine terminated polylactone.
Claim 7
Dependent Claim
69 words
The composition according to claim 1, wherein said copolymer has a structure selected from the group consisting of A--B, B--A--B, (B--A)-- n X, and (B--A)-- y X--(B) z and (B--A)-- y X--(A) z wherein X is a residual group of a polyfunctional coupling agent having two or more functional groups, y and z are, independently integers of 1 to 20 and n is an integer of 2 to 40.
Claim 8
Dependent Claim
13 words
The composition according to claim 1, wherein said composition has a branched structure.
Claim 9
Dependent Claim
13 words
The composition according to claim 1, wherein said composition has a linear structure.
Claim 10
Dependent Claim
137 words
The composition according to claim 1 wherein (a) each of said A blocks prior to hydrogenation is at least predominantly a polymerized monoalkenyl monocyclic arene block having an average molecular weight of about 1,000 to about 125,000, (b) each of said B blocks prior to hydrogenation is at least predominantly a polymerized conjugated diene block having an average molecular weight of about 10,000 to about 450,000, (c) said A blocks constituting about 1 to about 99 percent by weight of said base block copolymer, (d) the residual ethylenic unsaturation of said B block is less than about 10 percent of the ethylenic unsaturation of said B blocks prior to hydrogenation, and (e) the residual aromatic unsaturation of said A blocks is greater than about 50 percent of the aromatic unsaturation of said A block prior to hydrogenation.
Claim 11
Dependent Claim
24 words
The composition according to claim 9, wherein said A blocks constitute about 2 to about 60 percent by weight of said base block copolymer.
Claim 12
Dependent Claim
24 words
The composition according to claim 11, wherein said A blocks constitute about 10 to about 55 percent by weight of said base block copolymer.
Claim 13
Dependent Claim
24 words
The composition according to claim 11, wherein said A blocks constitute about 15 to about 50 percent by weight of said base block copolymer.
Claim 14
Dependent Claim
50 words
The composition according to claim 9, wherein said amide functional groups are present on the average in an amount from about one (1) of said amide functional groups per molecule of said functionalized block copolymer to about one of said amide functional groups per aromatic ring of said A block.
Claim 15
Dependent Claim
50 words
The composition according to claim 13, wherein said amide functional groups are present on the average in an amount from about three (3) of said amide functional groups per molecule of said functionalized block copolymer to about one of said amide functional groups per aromatic ring of said A block.
Claim 16
Dependent Claim
39 words
The composition according to claim 11, wherein prior to hydrogenation: (a) said A block is polymerized styrene and (b) said B block is selected from the group consisting of polymerized isoprene, polymerized butadiene, and polymerized isoprene and butadiene copolymer.
Claim 17
Dependent Claim
27 words
The composition according to claim 16, wherein said B block is polymerized butadiene block having a 1,2 content of between about 35 percent and about 55 percent.
Claim 18
Dependent Claim
23 words
The composition according to claim 18, wherein said polymerized butadiene block has an average molecular weight of between about 10,000 to about 150,000.
Claim 19
Dependent Claim
30 words
The composition according to claim 17, wherein the residual ethylenic unsaturation of said polymerized butadiene block is less than about 5 percent of the ethylenic unsaturation present prior to hydrogenation.
Claim 20
Dependent Claim
29 words
The composition according to claim 18, wherein the residual ethylenic unsaturation of said polymerized butadiene block is at most 2 percent of the ethylenic unsaturation present prior to hydrogenation.
Claim 21
Dependent Claim
34 words
The composition according to claim 19, wherein on the average the aromatic unsaturation of said A blocks is greater than about 90 percent of the aromatic unsaturation of said A blocks prior to hydrogenation.
Claim 22
Dependent Claim
22 words
The composition according to claim 20, wherein said polymerized styrene block has an average molecular weight of between about 1,000 and 60,000.
Claim 23
Dependent Claim
14 words
The composition according to claim 15, wherein said B block is polymerized isoprene block.
Claim 24
Dependent Claim
23 words
The composition according to claim 22, wherein said polymerized isoprene block has an average molecular weight of between about 10,000 to about 150,000.
Claim 25
Dependent Claim
30 words
The composition according to claim 23, wherein the residual ethylenic unsaturation of said polymerized isoprene block is less than about 5 percent of the ethylenic unsaturation present prior to hydrogenation.
Claim 26
Dependent Claim
30 words
The composition according to claim 24, wherein the residual ethylenic unsaturation of said polymerized isoprene block is at most about 2 percent of the ethylenic unsaturation present prior to hydrogenation.
Claim 27
Dependent Claim
34 words
The composition according to claim 25, wherein on the average the aromatic unsaturation of said A blocks is greater than about 90 percent of the aromatic unsaturation of said A blocks prior to hydrogenation.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-02-05 | 1993-08-07 | 1994-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-02-05 | 1997-08-07 | 1998-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-02-05 | 2001-08-07 | 2002-02-06 | $7700.00 | Window Closed / Lapsed |