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US4786694A
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Poly(aryl ether ketone) block copolymers
Assignee: Syensqo Specialty Polymers USA LLC
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Filing: 1987-04-16
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Granted: 1988-11-22
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Expires: 2007-04-16
Abstract
Abstract Described are crystalline block copolymers displaying high glass transition temperatures, excellent mechanical properties, excellent chemical and thermal stability, and good melt processability. These block polymers contain segments of crystalline poly(aryl ether ketones).
Inventors
- 👤 Robert A. Clendinning
- 👤 James E. Harris
- 👤 George T. Kwiatkowski
- 👤 Lee P. McMaster
- 👤 Markus Matzner
- 👤 Paul A. Winslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:31
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/34; C08G65/38; C08G65/40; C08G65/4012; C08L; C08L71/00; C08L2205/00; C08L2205/05
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
79 words
A crystalline, tough poly(aryl ether ketone) solution polymerized block polymer comprising a block of a polymer containing ether groups joined to keto groups through units of at least one formulae selected from the group consisting of ##STR45## which block is bonded to another block through one or more of an ether group, a keto group or a divalent chain extending single or oligomeric unit, with the proviso that when the blocks are identical, then the coupling group is copolymeric.
Claim 2
Dependent Claim
79 words
A crystalline, tough poly(aryl ether ketone) solution polymerized block polymer comprising a block of a polymer containing ether groups joined to keto groups through units of at least one formulae selected from the group consisting of ##STR45## which block is bonded to another block through one or more of an ether group, a keto group or a divalent chain extending single or oligomeric unit, with the proviso that when the blocks are identical, then the coupling group is copolymeric.
Claim 3
Dependent Claim
27 words
The crystalline, tough poly(aryl ether ketone) of claim 1 wherein the toughness thereof is measured as a tensile impact strength of greater than 50 ft.lbs./in 2 .
Claim 4
Dependent Claim
34 words
The crystalline, tough poly(aryl ether ketone) of claim 1 wherein the crystallinity thereof is characterized by a distinct crystalling melting temperature which is at least 100° C. greater than its second order transition temperature.
Claim 5
Dependent Claim
103 words
A crystalline tough poly(aryl ether ketone) block or chain extended polymer having the formula ##STR46## wherein A and B are a crystalline poly(aryl ether ketone), a and b are integers of at least 2; c is an integer of 1 or greater; d is 0 or 1; X is either a monomeric --Ar'"--O-- unit where Ar'" is a divalent arylene radical, or an oligomeric radical, with the proviso that if either A and B contains the units ##STR47## a or b must be at least 4; and with the additional proviso that when A and B are identical, X is an oligomeric radical.
Claim 6
Dependent Claim
103 words
A crystalline tough poly(aryl ether ketone) block or chain extended polymer having the formula ##STR46## wherein A and B are a crystalline poly(aryl ether ketone), a and b are integers of at least 2; c is an integer of 1 or greater; d is 0 or 1; X is either a monomeric --Ar'"--O-- unit where Ar'" is a divalent arylene radical, or an oligomeric radical, with the proviso that if either A and B contains the units ##STR47## a or b must be at least 4; and with the additional proviso that when A and B are identical, X is an oligomeric radical.
Claim 7
Dependent Claim
37 words
A polymer as defined in claim 4 wherein at least one of the blocks A and B or the chain-extending group X contain at least 50 mole percent of units selected from the group consisting of ##STR48##
Claim 8
Dependent Claim
42 words
A polymer as defined in claims 4 or 5 wherein Ar'" is selected from the group of ##STR49## and the oligomeric radical is (--Ar""--O--) n , wherein n is at least two to about 50, and Ar"" is a divalent arylene group.
Claim 9
Dependent Claim
78 words
The crystalline poly(aryl ether ketone) of claims 1 or 4 or 5 which contains repeating units of one or more of the following formulae: ##STR50## wherein Ar is independently a divalent aromatic radical selected from phenylene, biphenylene, terphenylene, naphthylene or anthracenylene, X is independently O, ##STR51## or a direct bond and n is an integer of from 0 to 3; b, c, d and e are 0 to 1 and a is an integer of 1 to 4.
Claim 10
Dependent Claim
86 words
The crystalline poly(aryl ether ketone) of claim 7 which contains repeating units of one or more of the following formulae: ##STR52## wherein Ar is independently a divalent aromatic radical selected from phenylene, biphenylene, terephenylene, naphthylene or anthracenylene; Ph is 1,4-phenylene with the proviso that where there are two carbonyl groups attached to the same Ph, up to 50 mole percent of these groups can be in the 1,3 position to each other; Ph' is independently biphenylene, terphenylene, naphthylene or anthracenylene; and r is less than 1.
Claim 11
Dependent Claim
20 words
A polymer as defined in claim 4 of the following formula: ##STR53## where x and y are one or greater.
Claim 12
Dependent Claim
12 words
A polymer as defined in claim 4 of the following formula: ##STR54##
Claim 13
Dependent Claim
12 words
A polymer as defined in claim 4 of the following formula: ##STR55##
Claim 14
Dependent Claim
12 words
A polymer as defined in claim 4 of the following formula: ##STR56##
Claim 15
Dependent Claim
12 words
A polymer as defined in claim 4 of the following formula: ##STR57##
Claim 16
Dependent Claim
12 words
A polymer as defined in claim 4 of the following formula: ##STR58##
Claim 17
Dependent Claim
20 words
A polymer as defined in claim 4 of the following formula: ##STR59## wherein Ph--Ph is biphenylene and Ph--Ph--Ph is terphenylene.
Claim 18
Dependent Claim
18 words
A polymer as defined in claim 4, prepared by the nucleophilic polycondensation of the oligomers: ##STR60## with hydroquinone.
Claim 19
Dependent Claim
19 words
A polymer as defined in claim 4, prepared by the nucelophilic polycondensation of the oligomers: ##STR61## with 4,4'-dihydroxydiphenyl ether.
Claim 20
Dependent Claim
18 words
A polymer as defined in claim 4, prepared by the nucelophilic polycondensation of the oligomers: ##STR62## with hydroquinone.
Claim 21
Dependent Claim
19 words
A polymer as defined in claim 4, prepared by the nucelophilic polycondensation of the oligomers: ##STR63## with 4,4'-dihydroxydiphenyl ether.
Claim 22
Dependent Claim
23 words
A polymer as defined in claim 4, prepared by the Friedel-Crafts catalyzed polycondensation of the oligomer ##STR64## with diphenyl ether and terephthaloyl chloride.
Claim 23
Dependent Claim
23 words
A polymer as defined in claim 4, prepared by the Friedel-Crafts catalyzed polycondensation of the oligomer ##STR65## with diphenyl ether and terephthaloyl chloride.
Claim 24
Dependent Claim
23 words
A polymer as defined in claim 4, prepared by the Friedel-Crafts catalyzed polycondensation of the oligomer ##STR66## with diphenyl ether and terephthaloyl chloride.
Claim 25
Dependent Claim
23 words
A polymer as defined in claim 4, prepared by the Friedel-Crafts catalyzed polycondensation of the oligomer ##STR67## with diphenyl ether and terephthaloyl chloride.
Claim 26
Dependent Claim
21 words
A polymer as defined in claim 4, prepared by the high-temperature nucelophilic polycondensation of the oligomer ##STR68## with hydroquinone and 4,4'-difluorobenzophenone.
Claim 27
Dependent Claim
22 words
A polymer as defined in claim 4, obtained by the Friedel-Crafts catalyzed polycondensation of the oligomer: ##STR69## with diphenoxybiphenyl and terephthaloyl chloride.
Claim 28
Dependent Claim
22 words
A polymer as defined in claim 4, obtained by the Friedel-Crafts catalyzed polycondensation of the oligomer: ##STR70## with diphenyl ether and phosgene.
Claim 29
Dependent Claim
27 words
The block copolymer of claim 1 wherein a block with a polymer containing ether groups is joined to keto groups also through units of the formulae ##STR71##
Claim 30
Dependent Claim
22 words
The polymer of claim 6 wherein Ar"" comprises a divalent arylene group containing a carbonyl or an ether function in its structure.
References Cited (Backward Citations)
US4609714A
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) | 1991-11-22 | 1992-05-23 | 1992-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-22 | 1996-05-23 | 1996-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-22 | 2000-05-23 | 2000-11-22 | $7700.00 | Window Closed / Lapsed |