US4579905A
Expired / Lapsed
US
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Graftlinked polymers and process for making
Assignee: General Electric Co
•
Filing: 1983-08-15
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Granted: 1986-04-01
•
Expires: 2003-08-15
Abstract
Abstract A composition comprising an intimate thermoplastic admixture of at least two structurally dissimilar organic polymers, a delamination inhibiting effective amount of the first organic polymer covalent bond graft linked to the second organic polymer through a multifunctional graft linking agent of the insertion, electron deficient type the new admixtures are useful for the usual applications associated with the admixture properties.
Inventors
- 👤 Herman O. Krabbenhoft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:36
CPC Classifications
C; C08; C08L; C08L69/00
Claims Analysis
Total Claims: 72
Claim 1
Independent Claim
75 words
A composition comprising an intimate thermoplastic admixture of at least two structurally dissimilar organic polymers said dissimilar defined as a lack of complete solubility in each other at the concentrations employed and the temperature at which the admixture takes place or at room temperature, a delamination inhibiting effective amount of the first organic polymer covalent bond graft linked to the second organic polymer through the residue of an insertion, electron deficient multifunctional graft linking agent.
Claim 2
Dependent Claim
75 words
A composition comprising an intimate thermoplastic admixture of at least two structurally dissimilar organic polymers said dissimilar defined as a lack of complete solubility in each other at the concentrations employed and the temperature at which the admixture takes place or at room temperature, a delamination inhibiting effective amount of the first organic polymer covalent bond graft linked to the second organic polymer through the residue of an insertion, electron deficient multifunctional graft linking agent.
Claim 3
Dependent Claim
16 words
A composition in accordance with claim 1 wherein the first organic polymer is an aromatic polycarbonate.
Claim 4
Dependent Claim
18 words
A composition in accordance with claim 1 wherein the second organic polymer is a polyolefin or a styrenic.
Claim 5
Dependent Claim
16 words
A composition in accordance with claim 1 wherein the multifunctional graft linking agent is a polysulfonazide.
Claim 6
Dependent Claim
14 words
A composition in accordance with claim 4 wherein the polysulfonazide has two sulfonazide groupings.
Claim 7
Dependent Claim
14 words
A composition in accordance with claim 5 wherein the polysulfonazide is an aromatic polysulfonazide.
Claim 8
Dependent Claim
17 words
A composition in accordance with claim 4 wherein the composition further includes other nongraft linked organic polymers.
Claim 9
Dependent Claim
15 words
A composition in accordance with claim 1 wherein polyphenylene oxide is the first organic polymer.
Claim 10
Dependent Claim
16 words
A composition in accordance with claim 1 wherein the first organic polymer has an aromatic group.
Claim 11
Dependent Claim
17 words
A composition in accordance with claim 1 wherein the first organic polymer has an olefinic double bond.
Claim 12
Dependent Claim
16 words
A composition in accordance with claim 2 wherein the aromatic polycarbonate is derived from bisphenol A.
Claim 13
Dependent Claim
19 words
A composition in accordance with claim 11 wherein the second organic polymer is a styrenic polymer or a polyolefin.
Claim 14
Dependent Claim
197 words
A composition in accordance with claim 12 wherein the multifunctional graft linking agent is an azide of the formula ##STR3## wherein a is 0 or 1; E is alkylene of one to eight carbon atoms, inclusive; cycloalkylene of one to eight carbon atoms, inclusive; alkylidene of one to eight carbon atoms, inclusive; cycloalkylidene of one to eight carbon atoms, inclusive; oxa; thia; sulfinyl; sulfonyl; carbonyl; N-alkyl wherein alkyl is one to six carbon atoms inclusive; R 5 SiR 6 wherein R 5 and R 6 are the same or different and are hydrogen or alkyl of one to six carbon atoms, inclusive; alkylene--R 7 --alkylene and alkylidene R 7 --alkylidene wherein each alkylene and alkylidene are the same or different and are previously defined and R 7 is oxa, thia, sulfinyl, sulfonyl, carbonyl, N-alkyl wherein alkyl is as previously defined, phenylene or phenylene substituted with up to two groups the same or different and selected from alkyl of one to six carbon atoms, inclusive, chloro or bromo; R 1 , R 2 , R 3 and R 4 are the same or different and are hydrogen, alkyl of one to six carbon atoms, inclusive; chloro or bromo.
Claim 15
Dependent Claim
20 words
A composition in accordance with claim 13 wherein the graft linking agent is 4,4'-biphenyldisulfonyl azide, di-(4-azidosulfonyl)-phenyl ether, or di-(3-azidosulfonyl)phenyl ether.
Claim 16
Dependent Claim
13 words
A composition in accordance with claim 14 wherein the agent is 4,4'-biphenyldisulfonyl azide.
Claim 17
Dependent Claim
13 words
A composition in accordance with claim 14 wherein the agent is di-(4-azidosulfonyl)-phenyl ether.
Claim 18
Dependent Claim
13 words
A composition in accordance with claim 14 wherein the agent is di-(3-azidosulfonyl)phenyl ether.
Claim 19
Dependent Claim
16 words
A composition in accordance with claim 4 wherein the first organic polymer is an aromatic polycarbonate.
Claim 20
Dependent Claim
27 words
A composition in accordance with claim 18 wherein the second organic polymer to which the aromatic polycarbonate is graft linked is a polyolefin or a styrenic polymer.
Claim 21
Dependent Claim
15 words
A composition in accordance with claim 19 wherein the second organic polymer is a polyolefin.
Claim 22
Dependent Claim
16 words
A composition in accordance with claim 19 wherein the second organic polymer is a styrenic polymer.
Claim 23
Dependent Claim
37 words
A composition in accordance with claim 18 wherein the composition further contains significant quantities of non-graft linked polymer selected from the group consisting of an aromatic polycarbonate a second organic polymer or a mixture of the two.
Claim 24
Dependent Claim
32 words
A composition in accordance with claim 22 wherein the significant quantities of non-graft linked aromatic polycarbonate and second organic polymer are not present in the composition when the graft linking reaction occurs.
Claim 25
Dependent Claim
31 words
A composition in accordance with claim 18 wherein the composition further contains a third organic polymer, said third organic polymer not graft linked to either of the first two organic polymers.
Claim 26
Dependent Claim
24 words
A composition in accordance with claim 24 wherein the third organic polymer is not present in the composition when the graft linking reaction occurs.
Claim 27
Dependent Claim
23 words
A composition in accordance with claim 24 wherein the third organic polymer is a styrenic polymer, a polyolefin or an olefin acrylate polymer.
Claim 28
Dependent Claim
36 words
A composition in accordance with claim 18 wherein the composition further contains a third organic polymer and a fourth organic polymer dissimilar to the third organic polymer and graft linked to each other through a polysulfonazide.
Claim 29
Dependent Claim
27 words
A composition in accordance with claim 19 wherein the composition further contains significant quantities of non-graft linked aromatic polycarbonate, a styrenic polymer, a polyolefin or mixtures thereof.
Claim 30
Dependent Claim
22 words
A composition in accordance with claim 28 wherein the non-grafted polymers are not present in the composition when the graft linking occurs.
Claim 31
Dependent Claim
30 words
A composition in accordance with claim 19 wherein the composition contains a third organic polymer, said third organic polymer not graft linked to either of the first two organic polymers.
Claim 32
Dependent Claim
24 words
A composition in accordance with claim 30 wherein the third organic polymer is not present in the composition when the graft linking reaction occurs.
Claim 33
Dependent Claim
31 words
A composition in accordance with claim 30 wherein the composition further contains a fourth organic polymer dissimilar to the third organic polymer and graft linked to each other through a polysulfonazide.
Claim 34
Dependent Claim
16 words
A composition in accordance with claim 4 wherein the first organic polymer is a polyphenylene oxide.
Claim 35
Dependent Claim
14 words
A composition in accordance with claim 33 wherein the polyphenylene oxide is poly-(2,6-dimethyl-1,4-phenylene oxide).
Claim 36
Dependent Claim
21 words
A composition in accordance with claim 34 wherein the second dissimilar organic polymer is an aromatic polycarbonate derived from bisphenol A.
Claim 37
Dependent Claim
16 words
A composition in accordance with claim 34 wherein the second dissimilar organic polymer is a polystyrene.
Claim 38
Dependent Claim
15 words
A composition in accordance with claim 36 wherein the polystyrene is a high impact polystyrene.
Claim 39
Dependent Claim
20 words
A composition in accordance with claim 21 wherein a third organic polymer is present and is an olefin acrylate polymer.
Claim 40
Dependent Claim
49 words
A composition in accordance with claim 38 wherein aromatic polycarbonate is at least about eighty weight percent of the composition, the styrenic polymer is from about 5 to 15 wt % of the composition and the olefin acrylate is from about 5 to 15 wt % of the composition.
Claim 41
Dependent Claim
25 words
A composition in accordance with claim 39 wherein the styrenic polymer is selectively hydrogenated polystyrene-polybutadiene- polystyrene triblock and the olefin acrylate is ethylene ethyl acrylate.
Claim 42
Dependent Claim
29 words
A composition in accordance with claim 40 wherein gasoline resistance of the composition is essentially equivalent to a composition of the same constituents and proportions but without graft linking.
Claim 43
Dependent Claim
78 words
A process for preparing an intimate thermoplastic admixture of at least two structurally dissimilar organic polymers said dissimilar defined as a lack of complete solubility in each other at the concentrations employed and the temperature at which the admixture takes place or at room temperature which comprises graft linking one organic polymer to at least a second structurally dissimilar organic polymer with a delamination inhibiting effective amount of a multifunctional grafting agent of the insertion, electron deficient type.
Claim 44
Dependent Claim
78 words
A process for preparing an intimate thermoplastic admixture of at least two structurally dissimilar organic polymers said dissimilar defined as a lack of complete solubility in each other at the concentrations employed and the temperature at which the admixture takes place or at room temperature which comprises graft linking one organic polymer to at least a second structurally dissimilar organic polymer with a delamination inhibiting effective amount of a multifunctional grafting agent of the insertion, electron deficient type.
Claim 45
Dependent Claim
19 words
A process in accordance with claim 42 wherein one of the graft linked organic polymers is an aromatic polycarbonate.
Claim 46
Dependent Claim
18 words
A process in accordance with claim 42 wherein one of the graft linked organic polymers is polyphenylene oxide.
Claim 47
Dependent Claim
18 words
A process in accordance with claim 42 wherein one of the graft linked organic polymers is a polyetherimide.
Claim 48
Dependent Claim
19 words
A process in accordance with claim 42 wherein one of the graft linked organic polymers has an aromatic group.
Claim 49
Dependent Claim
20 words
A process in accordance with claim 43 wherein the structurally dissimilar organic polymer is a polyolefin or a styrenic polymer.
Claim 50
Dependent Claim
16 words
A process in accordance with claim 43 wherein the aromatic polycarbonate is derived from bisphenol A.
Claim 51
Dependent Claim
18 words
A process in accordance with claim 48 wherein the dissimilar organic polymer is a polyolefin or a styrenic.
Claim 52
Dependent Claim
16 words
A process in accordance with claim 43 wherein the multifunctional graft linking agent is a polysulfonazide.
Claim 53
Dependent Claim
191 words
A process in accordance with claim 50 wherein the polysulfonazide is of the formula ##STR4## wherein a is 0 or 1; E is alkylene of one to eight carbon atoms, inclusive; cycloalkylene of one to eight carbon atoms, inclusive; alkylidene of one to eight carbon atoms, inclusive; cycloalkylidene of one to eight carbon atoms, inclusive; oxa; thia; sulfinyl; sulfonyl; carbonyl; N-alkyl wherein alkyl is one to six carbon atoms inclusive; R 5 SiR 6 wherein R 5 and R 6 are the same or different and are hydrogen or alkyl of one to six carbon atoms, inclusive; alkylene--R 7 --alkylene and alkylidene--R 7 --alkylidene wherein each alkylene and alkylidene are the same or different and are previously defined and R 8 is oxa, thia, sulfinyl, sulfonyl, carbonyl, N-alkyl wherein alkyl is as previously defined, phenylene or phenylene substituted with up to two groups the same or different and selected from alkyl of one to six carbon atoms, inclusive, chloro or bromo; R 1 , R 2 , R 3 and R 4 are the same or different and are hydrogen, alkyl of one to six carbon atoms, inclusive; chloro or bromo.
Claim 54
Dependent Claim
24 words
A process in accordance with claim 51 wherein the grafting agent is from about 0.1 to about 1.5 wt. percent of the organic polymers.
Claim 55
Dependent Claim
13 words
A process in accordance with claim 52 wherein the polysulfonazide is 4,4'-bi-phenyldisulfonyl azide.
Claim 56
Dependent Claim
13 words
A process in accordance with claim 51 wherein the polysulfonazide is di-(4-azidosulfonyl)-phenyl ether.
Claim 57
Dependent Claim
13 words
A process in accordance with claim 51 wherein the polysulfonazide is di-(3-azidosulfonyl)phenyl ether.
Claim 58
Dependent Claim
10 words
A shaped article molded from the composition of claim 1.
Claim 59
Dependent Claim
63 words
A composition comprising an intimate thermoplastic admixture of at least two structurally dissimilar organic polymers said dissimilar defined as a lack of complete solubility in each other at the concentrations employed and the temperature at which the admixture takes place or at room temperature covalent bond graft linked to each other through the residue of an insertion, electron deficient multifunctional graft linking agent.
Claim 60
Dependent Claim
63 words
A composition comprising an intimate thermoplastic admixture of at least two structurally dissimilar organic polymers said dissimilar defined as a lack of complete solubility in each other at the concentrations employed and the temperature at which the admixture takes place or at room temperature covalent bond graft linked to each other through the residue of an insertion, electron deficient multifunctional graft linking agent.
Claim 61
Dependent Claim
60 words
A process for preparing an intimate thermoplastic admixture which comprises graft linking one organic polymer to structurally dissimilar organic polymer said dissimilar defined as a lack of complete solubility in each other at the concentrations employed and the temperature at which the admixture takes place or at room temperature by reacting with an insertion, electron deficient multifunctional graft linking agent.
Claim 62
Dependent Claim
60 words
A process for preparing an intimate thermoplastic admixture which comprises graft linking one organic polymer to structurally dissimilar organic polymer said dissimilar defined as a lack of complete solubility in each other at the concentrations employed and the temperature at which the admixture takes place or at room temperature by reacting with an insertion, electron deficient multifunctional graft linking agent.
Claim 63
Dependent Claim
20 words
A process in accordance with claim 42 wherein the thermoplastic admixture is further admixed with additional non-grafted first organic polymer.
Claim 64
Dependent Claim
22 words
A process in accordance with claim 42 wherein the thermoplastic admixture is further admixed with additional non-grafted second structurally dissimilar organic polymer.
Claim 65
Dependent Claim
22 words
A process in accordance with claim 42 wherein the thermoplastic admixture is further admixed with additional non-grafted first and second organic polymer.
Claim 66
Dependent Claim
19 words
A process in accordance with claim 42 wherein the thermoplastic admixture is further admixed with a non-grafted third polymer.
Claim 67
Dependent Claim
15 words
A process in accordance with claim 59 wherein the final admixture obtained has inhibited delamination.
Claim 68
Dependent Claim
15 words
A process in accordance with claim 60 wherein the final admixture obtained has inhibited delamination.
Claim 69
Dependent Claim
15 words
A process in accordance with claim 61 wherein the final admixture obtained has inhibited delamination.
Claim 70
Dependent Claim
15 words
A process in accordance with claim 62 wherein the final admixture obtained has inhibited delamination.
Claim 71
Dependent Claim
15 words
A composition in accordance with claim 1 wherein the first organic polymer is a polyetherimide.
Claim 72
Dependent Claim
16 words
A composition in accordance with claim 1 wherein the first organic polymer is a polybutylene terephthalate.
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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) | 1989-03-31 | 1989-09-30 | 1990-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-03-31 | 1993-09-30 | 1994-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-03-31 | 1997-09-30 | 1998-04-01 | $7700.00 | Window Closed / Lapsed |