Patent US4299713A successfully refreshed from Google Patents.
US4299713A
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Electrical tree and water tree resistant polymer compositions
Assignee: Equistar Chemicals LP
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Filing: 1980-06-23
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Granted: 1981-11-10
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Expires: 2000-06-23
Abstract
Abstract A unfilled polymeric composition having improved electrical treeing and water treeing properties comprising a polymeric component and effective amounts of an organic compound, such as, a specially defined silane. These compositions are particularly useful as insulation for high voltage transmission and distribution cables.
Inventors
- 👤 Melvin F. Maringer
- 👤 Anthony Barlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:12
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/28; H01B7/2813; C; C08; C08K; C08K5/00; C08K5/54; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/441; H01B3/46
Claims Analysis
Total Claims: 45
Claim 1
Independent Claim
279 words
An unfilled polymeric composition having enhanced resistance to water treeing and electrical treeing comprising a homogeneous mixture of a polymeric component and an effective amount, as a water treeing and an electrical treeing inhibitor, of an organic compound having the formula: ##STR15## wherein R 1 , R 2 and R 3 are the same or different and are Y 1 (C n H 2n ) Y 2 R 6 , C 1 to C 8 alkyl, C 1 to C 8 alkoxy, C 1 to C 8 acyloxy, C 6 to C 18 aryloxy or substituted aryloxy, C 6 to C 18 aryl or substituted aryl, hydrogen, halogen, an epoxy containing radical, C 2 to C 8 alkenyl, a nitrogen containing radical, a carboxy containing radical, a mercapto containing radical or an ether containing radical; R 6 is C 1 to C 8 alkyl, C 1 to C 8 alkoxy, C 1 to C 8 acyloxy, C 6 to C 18 aryloxy or substituted aryloxy, C 6 to C 18 aryl or substituted aryl, hydrogen, halogen, an epoxy containing radical, C 2 to C 8 alkenyl, a nitrogen containing radical, a carboxy containing radical, a mercapto containing radical or an ether containing radical; Y 1 and Y 2 are the same or different and are O, S or NH; Z is Si, Sn, Ti, P or B; a is 0 or 1; and n is 1 to 8 with the proviso that when Z is P, a is O, Y 1 and Y 2 are each O and R 1 and R 2 are the same and are Y 1 (C n H 2n )Y 2 R 6 .
Claim 2
Dependent Claim
279 words
An unfilled polymeric composition having enhanced resistance to water treeing and electrical treeing comprising a homogeneous mixture of a polymeric component and an effective amount, as a water treeing and an electrical treeing inhibitor, of an organic compound having the formula: ##STR15## wherein R 1 , R 2 and R 3 are the same or different and are Y 1 (C n H 2n ) Y 2 R 6 , C 1 to C 8 alkyl, C 1 to C 8 alkoxy, C 1 to C 8 acyloxy, C 6 to C 18 aryloxy or substituted aryloxy, C 6 to C 18 aryl or substituted aryl, hydrogen, halogen, an epoxy containing radical, C 2 to C 8 alkenyl, a nitrogen containing radical, a carboxy containing radical, a mercapto containing radical or an ether containing radical; R 6 is C 1 to C 8 alkyl, C 1 to C 8 alkoxy, C 1 to C 8 acyloxy, C 6 to C 18 aryloxy or substituted aryloxy, C 6 to C 18 aryl or substituted aryl, hydrogen, halogen, an epoxy containing radical, C 2 to C 8 alkenyl, a nitrogen containing radical, a carboxy containing radical, a mercapto containing radical or an ether containing radical; Y 1 and Y 2 are the same or different and are O, S or NH; Z is Si, Sn, Ti, P or B; a is 0 or 1; and n is 1 to 8 with the proviso that when Z is P, a is O, Y 1 and Y 2 are each O and R 1 and R 2 are the same and are Y 1 (C n H 2n )Y 2 R 6 .
Claim 3
Dependent Claim
11 words
A composition as in claim 1 wherein the polymer is polyethylene.
Claim 4
Dependent Claim
52 words
A composition as in claim 1 wherein R 1 , R 2 and R 3 are each selected from Y 1 (C n H 2n ) Y 2 R 6 , alkyl, alkoxy, acyloxy, aryl or alkenyl, R 6 is alkyl or aryl, and Y 1 and Y 2 are each O.
Claim 5
Dependent Claim
14 words
A composition as in claim 3 wherein Z is Si and a is 1.
Claim 6
Dependent Claim
38 words
A composition as in claim 4 wherein R 1 is vinyl, R 2 and R 3 are each Y 1 (C n H 2n ) Y 2 R 6 , R 6 is methyl and n is 2.
Claim 7
Dependent Claim
38 words
A composition as in claim 4 wherein R 1 is methyl, R 2 and R 3 are each Y 1 (C n H 2n ) Y 2 R 6 , R 6 is methyl and n is 2.
Claim 8
Dependent Claim
37 words
A composition as in claim 4 wherein R 1 , R 2 and R 3 are each Y 1 (C n H 2n ) Y 2 R 6 , R 6 is methyl and n is 2.
Claim 9
Dependent Claim
38 words
A composition as in claim 4 wherein R 1 is gamma-methacryloxypropyl, R 2 and R 3 are each Y 1 (C n H 2n ) Y 2 R 6 , R 6 is methyl and n is 2.
Claim 10
Dependent Claim
38 words
A composition as in claim 4 wherein R 1 is phenyl, R 2 and R 3 are each Y 1 (C n H 2n ) Y 2 R 6 , R 6 is methyl and n is 2.
Claim 11
Dependent Claim
38 words
A composition as in claim 4 wherein R 1 is vinyl, R 2 and R 3 are each Y 1 (C n H 2n ) Y 2 R 6 , R 6 is phenyl and n is 2.
Claim 12
Dependent Claim
19 words
A composition in accordance with claims 4, 5, 6, 7, 8, 9 or 10 which is curable or cured.
Claim 13
Dependent Claim
17 words
An electrical conductor coated with the composition of claims 4, 5, 6, 7, 8, 9 or 10.
Claim 14
Dependent Claim
14 words
A composition as in claim 3 wherein Z is Ti and a is 1.
Claim 15
Dependent Claim
37 words
A composition as in claim 13 wherein R 1 , R 2 and R 3 are each Y 1 (C n H 2n ) Y 2 R 6 , R 6 is methyl and n is 2.
Claim 16
Dependent Claim
14 words
A composition in accordance with claims 13 or 14 which is curable or cured.
Claim 17
Dependent Claim
12 words
An electrical conductor coated with the composition of claims 13 and 14.
Claim 18
Dependent Claim
18 words
A composition as in claim 1 wherein Z is P, R 6 is n-butyl and n is 2.
Claim 19
Dependent Claim
15 words
A composition in accordance with claims 1, 2 or 3 which is curable or cured.
Claim 20
Dependent Claim
13 words
An electrical conductor coated with the composition of claims 1, 2 or 3.
Claim 21
Dependent Claim
18 words
A composition as in claim 1 wherein Z is P, R 6 is ethyl and n is 2.
Claim 22
Dependent Claim
14 words
A composition in accordance with claims 20 or 17 which is curable or cured.
Claim 23
Dependent Claim
12 words
An electrical conductor coated with the composition of claims 20 or 17.
Claim 24
Independent Claim
285 words
A method of stabilizing an unfilled polymeric insulated electrical conductor against water treeing and electrical treeing which comprises: coating an electrical conductor with an insulating effective amount of an unfilled polymeric insulating composition, said composition comprising a homogeneous mixture of a polymeric component and an effective amount, as a water treeing and electrical treeing inhibitor, of an organic compound having the following formula ##STR16## wherein R 1 , R 2 and R 3 are the same or different and are Y 1 (C n H 2n ) Y 2 R 6 , C 1 to C 8 alkyl, C 1 to C 8 alkoxy, C 1 to C 8 acyloxy, C 6 to C 18 aryloxy or substituted aryloxy, C 6 to C 18 aryl or substituted aryl, hydrogen, halogen, an epoxy containing radical, C 2 to C 8 alkenyl, a nitrogen containing radical, a carboxy containing radical, a mercapto containing radical or an ether containing radical; R 6 is C 1 to C 8 alkyl, C 1 to C 8 alkoxy, C 1 to C 8 acyloxy, C 6 to C 18 aryloxy or substituted aryloxy, C 6 to C 18 aryl or substituted aryl, hydrogen, halogen, an epoxy containing radical, C 2 to C 8 alkenyl, a nitrogen containing radical, a carboxy containing radical, a mercapto containing radical or an ether containing radical; Y 1 and Y 2 are the same or different and are O, S or NH; Z is Si, Sn, Ti, P or B; a is 0 or 1; and n is 1 to 8 whereby said insulated electrical conductor exhibits water treeing and electrical treeing inhibition when exposed to an environment subject to water treeing and electrical treeing conditions.
Claim 25
Independent Claim
285 words
A method of stabilizing an unfilled polymeric insulated electrical conductor against water treeing and electrical treeing which comprises: coating an electrical conductor with an insulating effective amount of an unfilled polymeric insulating composition, said composition comprising a homogeneous mixture of a polymeric component and an effective amount, as a water treeing and electrical treeing inhibitor, of an organic compound having the following formula ##STR16## wherein R 1 , R 2 and R 3 are the same or different and are Y 1 (C n H 2n ) Y 2 R 6 , C 1 to C 8 alkyl, C 1 to C 8 alkoxy, C 1 to C 8 acyloxy, C 6 to C 18 aryloxy or substituted aryloxy, C 6 to C 18 aryl or substituted aryl, hydrogen, halogen, an epoxy containing radical, C 2 to C 8 alkenyl, a nitrogen containing radical, a carboxy containing radical, a mercapto containing radical or an ether containing radical; R 6 is C 1 to C 8 alkyl, C 1 to C 8 alkoxy, C 1 to C 8 acyloxy, C 6 to C 18 aryloxy or substituted aryloxy, C 6 to C 18 aryl or substituted aryl, hydrogen, halogen, an epoxy containing radical, C 2 to C 8 alkenyl, a nitrogen containing radical, a carboxy containing radical, a mercapto containing radical or an ether containing radical; Y 1 and Y 2 are the same or different and are O, S or NH; Z is Si, Sn, Ti, P or B; a is 0 or 1; and n is 1 to 8 whereby said insulated electrical conductor exhibits water treeing and electrical treeing inhibition when exposed to an environment subject to water treeing and electrical treeing conditions.
Claim 26
Dependent Claim
11 words
A method as in claim 23 wherein the polymer is polyethylene.
Claim 27
Independent Claim
18 words
A method in accordance with claims 23, 24 or 26 wherein the insulating composition is curable or cured.
Claim 28
Dependent Claim
53 words
A method as in claim 23 wherein R 1 , R 2 and R 3 are each selected from Y 1 (C n H 2n ) Y 2 R 6 , alkyl, alkoxy, acyloxy, and aryl or alkenyl, R 6 is alkyl or aryl, and Y 1 and Y 2 are each O.
Claim 29
Dependent Claim
14 words
A method as in claim 26 wherein Z is Si and a is 1.
Claim 30
Dependent Claim
38 words
A method as in claim 27 wherein R 1 is vinyl R 2 and R 3 are each Y 1 (C n H 2n ) Y 2 R 6 , R 6 is methyl and n is 2.
Claim 31
Dependent Claim
37 words
A method as in claim 27 wherein R 1 is methyl R 2 and R 3 are each Y 1 (C n H 2n ) Y 2 R 6 R 6 is methyl and n is 2.
Claim 32
Dependent Claim
36 words
A method as in claim 27 wherein R 1 , R 2 and R 3 are each Y 1 (C n H 2n ) Y 2 R 6 R 6 is methyl and n is 2.
Claim 33
Dependent Claim
37 words
A method as in claim 27 wherein R 1 is gamma-methacryloxypropyl, R 2 and R 3 are each Y 1 (C n H 2n ) Y 2 R 6 R 6 is methyl and n is 2.
Claim 34
Dependent Claim
38 words
A method as in claim 27 wherein R 1 is phenyl, R 2 and R 3 are each Y 1 (C n H 2n ) Y 2 R 6 , R 6 is methyl and n is 2.
Claim 35
Dependent Claim
38 words
A method as in claim 27 wherein R 1 is vinyl, R 2 and R 3 are each Y 1 (C n H 2n ) Y 2 R 6 , R 6 is phenyl and n is 2.
Claim 36
Independent Claim
22 words
A method in accordance with claims 27, 28, 29, 30, 31, 32 or 33 wherein the insulating composition is curable or cured.
Claim 37
Dependent Claim
14 words
A method as in claim 26 wherein Z is P and a is 0.
Claim 38
Dependent Claim
34 words
A method as in claim 35 wherein R 1 and R 2 are each Y 1 (C n H 2n ) Y 2 R 6 , R 6 is ethyl and n is 2.
Claim 39
Dependent Claim
34 words
A method as in claim 35 wherein R 1 and R 2 are each Y 1 (C n H 2n ) Y 2 R 6 , R 6 is n-butyl and n is 2.
Claim 40
Independent Claim
18 words
A method in accordance with claims 35, 36 or 37 wherein the insulating composition is curable or cured.
Claim 41
Dependent Claim
14 words
A method as in claim 26 wherein Z is Ti and a is 1.
Claim 42
Dependent Claim
37 words
A method as in claim 39 wherein R 1 , R 2 and R 3 are each Y 1 (C n H 2n ) Y 2 R 6 , R 6 is methyl and n is 2.
Claim 43
Independent Claim
17 words
A method in accordance with claims 39 or 40 wherein the insulating composition is curable or cured.
Claim 44
Dependent Claim
300 words
A polymer composition having enhanced resistance to water treeing and electrical treeing consisting essentialy of (1) a polymeric component (2) an effective amount, as a water treeing and an electrical treeing inhibitor, of an organic compound having the formula: ##STR17## wherein R 1 , R 2 and R 3 are the same or different and are Y 1 (C n H 2n )Y 2 R 6 , C 1 to C 8 alkyl, C 1 to C 8 alkoxy, C 1 to C 8 acyloxy, C 6 to C 18 aryloxy or substituted aryloxy, C 5 to C 18 aryl or substituted aryl, hydrogen, halogen, an epoxy containing radical, C 2 to C 8 alkenyl, a nitrogen containing radical, a carboxy containing radical, a mercapto containing radical or an ether containing radical; R 6 is C 1 to C 8 alkyl, C 1 to C 8 alkoxy, C 1 to C 8 acyloxy, C 6 to C 18 aryloxy or substituted aryloxy, C 6 to C 18 aryl or substituted aryl, hydrogen, halogen, an epoxy containing radical, C 2 to C 8 alkenyl, a nitrogen containing radical, a carboxy containing radical, a mercapto containing radical or an ether containing radical; Y 1 and Y 2 are the same or different and are O, S or NH; Z is Si, Sn, Ti, P or B; a is 0 or 1; and n is 1 to 8, with the proviso that when Z is P, a is O, Y, and Y 2 are each O and R 1 and R 2 are the same and are Y 1 (C n H 2n )Y 2 R 6 , (3) 0 to less than 10% filler, and (4) effective amounts of cross-linking agent, antioxidant, plasticizer, dye, pigment, heat stabilizer, light stabilizer or antistatic agent.
Claim 45
Dependent Claim
300 words
A polymer composition having enhanced resistance to water treeing and electrical treeing consisting essentialy of (1) a polymeric component (2) an effective amount, as a water treeing and an electrical treeing inhibitor, of an organic compound having the formula: ##STR17## wherein R 1 , R 2 and R 3 are the same or different and are Y 1 (C n H 2n )Y 2 R 6 , C 1 to C 8 alkyl, C 1 to C 8 alkoxy, C 1 to C 8 acyloxy, C 6 to C 18 aryloxy or substituted aryloxy, C 5 to C 18 aryl or substituted aryl, hydrogen, halogen, an epoxy containing radical, C 2 to C 8 alkenyl, a nitrogen containing radical, a carboxy containing radical, a mercapto containing radical or an ether containing radical; R 6 is C 1 to C 8 alkyl, C 1 to C 8 alkoxy, C 1 to C 8 acyloxy, C 6 to C 18 aryloxy or substituted aryloxy, C 6 to C 18 aryl or substituted aryl, hydrogen, halogen, an epoxy containing radical, C 2 to C 8 alkenyl, a nitrogen containing radical, a carboxy containing radical, a mercapto containing radical or an ether containing radical; Y 1 and Y 2 are the same or different and are O, S or NH; Z is Si, Sn, Ti, P or B; a is 0 or 1; and n is 1 to 8, with the proviso that when Z is P, a is O, Y, and Y 2 are each O and R 1 and R 2 are the same and are Y 1 (C n H 2n )Y 2 R 6 , (3) 0 to less than 10% filler, and (4) effective amounts of cross-linking agent, antioxidant, plasticizer, dye, pigment, heat stabilizer, light stabilizer or antistatic agent.
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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) | 1984-11-09 | 1985-05-11 | 1985-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-09 | 1989-05-11 | 1989-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-09 | 1993-05-11 | 1993-11-10 | $7700.00 | Window Closed / Lapsed |