US4707520A
Expired / Lapsed
US
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Composition based on water-curable thermoplastic polymers and metal carboxylate silanol condensation catalysts
Assignee: Union Carbide Corp
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Filing: 1985-08-21
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Granted: 1987-11-17
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Expires: 2005-08-21
Abstract
Abstract Water-curable compositions, based on thermoplastic polymers having pendant thereto hydrolyzable silane moieties and metal carboxylate silanol condensation catalysts, which can be water cured in a relatively short period of time to crosslinked products characterized by an excellent balance of commercially acceptable properties. The compositions of this invention are particularly useful as extrudates about wires and cables.
Inventors
- 👤 Michael J. Keogh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:46
CPC Classifications
C; C08; C08L; C08L43/00; C08L43/04; H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
107 words
A composition of matter comprising a preformed, thermoplastic polymer based on a major proportion of ethylene, said thermoplastic polymer having pendant silane moieties of the formula: ##STR8## wherein R is a straight chain hydrocarbon radical having 4 to 18 carbon atoms or a branched chain hydrocarbon radical having 3 to 18 carbon atoms, each V is a hydrocarbon radical having 1 to 18 carbon atoms inclusive or an --OR radical wherein R is as previously defined; and as the sole silanol condensation catalyst a metal carboxylate in an amount of about 0.1 percent to about 5 percent by weight based on the weight of said preformed polymer.
Claim 2
Dependent Claim
107 words
A composition of matter comprising a preformed, thermoplastic polymer based on a major proportion of ethylene, said thermoplastic polymer having pendant silane moieties of the formula: ##STR8## wherein R is a straight chain hydrocarbon radical having 4 to 18 carbon atoms or a branched chain hydrocarbon radical having 3 to 18 carbon atoms, each V is a hydrocarbon radical having 1 to 18 carbon atoms inclusive or an --OR radical wherein R is as previously defined; and as the sole silanol condensation catalyst a metal carboxylate in an amount of about 0.1 percent to about 5 percent by weight based on the weight of said preformed polymer.
Claim 3
Dependent Claim
34 words
A composition of matter as defined in claim 1 wherein the metal carboxylate is present in an amount of about 0.25 to about one percent by weight based on the weight of the polymer.
Claim 4
Dependent Claim
19 words
A composition of matter as defined in claim 1, wherein the metal carboxylate is dibutyltin dilaurate or dioctyltin maleate.
Claim 5
Dependent Claim
24 words
A composition of matter as defined in claim 1 wherein the metal carboxylate is present as a masterbatch composition in a thermoplastic polymer matrix.
Claim 6
Dependent Claim
17 words
A composition as defined in claim 4 wherein the metal carboxylate is dibutyltin dilaurate or dioctyltin maleate.
Claim 7
Dependent Claim
17 words
A composition of matter as defined in claim 5 wherein the thermoplastic polymer matrix is a polyethylene.
Claim 8
Dependent Claim
18 words
A composition of matter as defined in claim 1 wherein the preformed thermoplastic polymer is an olefin polymer.
Claim 9
Dependent Claim
15 words
A composition of matter as defined in claim 7 wherein the olefin polymer is polyethylene.
Claim 10
Dependent Claim
21 words
A composition of matter as defined in claim 7 wherein the olefin polymer is a copolymer of ethylene and ethyl acrylate.
Claim 11
Dependent Claim
21 words
A composition of matter as defined in claim 7 wherein the olefin polymer is a copolymer of ethylene and vinyl acetate.
Claim 12
Dependent Claim
29 words
A composition of matter as defined in claim 7 wherein the olefin polymer is a polymer of ethylene and at least one C 3 to C 8 alpha olefin.
Claim 13
Dependent Claim
15 words
A composition of matter as defined in claim 11 wherein the alpha olefin is propylene.
Claim 14
Dependent Claim
15 words
A composition of matter as defined in claim 11 wherein the alpha olefin is butene-1.
Claim 15
Dependent Claim
15 words
A composition of matter as defined in claim 11 wherein the alpha olefin is hexene-1.
Claim 16
Dependent Claim
17 words
A composition of matter as defined in claim 1 wherein the silane moieties are derived from vinyl-tris(n-butoxy)silane.
Claim 17
Dependent Claim
17 words
A composition of matter as defined in claim 1 wherein the silane moieties are derived from vinyl-tris(isobutoxy)silane.
Claim 18
Dependent Claim
17 words
A composition of matter as defined in claim 1 wherein the silane moieties are derived from vinyl-tris(n-dodecyloxy)silane.
Claim 19
Dependent Claim
17 words
A composition of matter as defined in claim 1 wherein the silane moieties are derived from vinyl-tris(2-ethylhexoxy-1)silane.
Claim 20
Dependent Claim
109 words
A composition of matter comprising a preformed polymer which is polyethylene, an ethylene-ethyl acrylate copolymer, an ethylene-vinyl acetate copolymer, or an ethylene-silane copolymer, each having pendant silane moieties of the formula: ##STR9## wherein R is straight chain hydrocarbon radical having 4 to 18 carbon atoms or a branched chain hydrocarbon radical having 3 to 18 carbon atoms, each V is a hydrocarbon radical having 1 to 18 carbon atoms inclusive or an --OR radical wherein R is as previously defined and as the sole silanol condensation catalyst, dibutyltin dilaurate in an amount of about 0.1 to about 5 percent by weight based on the weight of said preformed polymer.
Claim 21
Dependent Claim
109 words
A composition of matter comprising a preformed polymer which is polyethylene, an ethylene-ethyl acrylate copolymer, an ethylene-vinyl acetate copolymer, or an ethylene-silane copolymer, each having pendant silane moieties of the formula: ##STR9## wherein R is straight chain hydrocarbon radical having 4 to 18 carbon atoms or a branched chain hydrocarbon radical having 3 to 18 carbon atoms, each V is a hydrocarbon radical having 1 to 18 carbon atoms inclusive or an --OR radical wherein R is as previously defined and as the sole silanol condensation catalyst, dibutyltin dilaurate in an amount of about 0.1 to about 5 percent by weight based on the weight of said preformed polymer.
Claim 22
Dependent Claim
35 words
A composition of matter as defined in claim 19 wherein the dibutyltin dilaurate is present in an amount of about 0.25 to about one percent by weight based on the weight of said preformed polymer.
Claim 23
Dependent Claim
17 words
A composition of matter as defined in claim 19 wherein the silane moieties are derived from vinyl-tris(n-butoxy)silane.
Claim 24
Dependent Claim
17 words
A composition of matter as defined in claim 19 wherein the silane moieties are derived from vinyl-tris(isobutoxy)silane.
Claim 25
Dependent Claim
17 words
A composition of matter as defined in claim 19 wherein the silane moieties are derived from vinyl-tris(n-dodecyloxy)silane.
Claim 26
Dependent Claim
17 words
A composition of matter as defined in claim 19 wherein the silane moieties are derived from vinyl-tris(2-ethylhexoxy)silane.
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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) | 1990-11-16 | 1991-05-18 | 1991-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-11-16 | 1995-05-18 | 1995-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-11-16 | 1999-05-18 | 1999-11-17 | $7700.00 | Window Closed / Lapsed |