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US4818789A Expired / Lapsed US ⏱️ 0.0 years remaining

Moisture-curable low molecular weight polymers and compositions and composites thereof

Assignee: Lion Copolymer Geismar LLC
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Filing: 1988-05-02
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Granted: 1989-04-04
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Expires: 2008-05-02
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Abstract

Abstract Amorphous moisture-curable, silane-substituted polymers having a saturated carbon backbone and a viscosity average molecular weight of between about 500 and about 20,000 provide desirable protection for weatherable substrates upon curing. Also disclosed are coating compositions containing such silane-substituted polymers; a method of protecting weatherable substrates employing such compositions; and composites produced by the method disclosed herein.

Inventors

  • 👤 Richard F. Tomko
  • 👤 William D. Sigworth
  • 👤 Thomas S. Coolbaugh

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 07:30
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/42; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31667

Claims Analysis

Total Claims: 17
Claim 1
Independent Claim 258 words
An amorphous polymer comprising a saturated carbon backbone selected from the group consisting of ethylene/alphaolefin copolymer and ethylene/alphaolefin/nonconjugated polyene terpolymer and which possessed a viscosity index of at least 75 and vinylidene terminal unsaturation, having substituted thereon one or more silane moieties of the formula: ##STR9## wherein R 1 is: C 1 -C 12 alkoxy, C 1 -C 12 alkyleneoxy, C 4 -C 12 alkoxyalkoxy, C 5 -C 6 cycloalkoxy, C 6 -C 9 aryloxy, C 2 -C 13 alkylcarbonyloxy or C 1 -C 12 alkylamino; R 2 and R 3 are the same or different and are: hydrogen, C 1 -C 12 alkoxy, C 1 -C 12 alkyleneoxy, C 4 -C 12 alkoxyalkoxy, C 5 -C 6 cycloalkoxy, C 2 -C 13 alkylcarbonyloxy, C 1 -C 12 alkylamino, C 1 -C 12 alkyl, C 4 -C 12 alkoxyalkyl, C 5 -C 6 cycloalkyl or C 7 -C 9 aralkyl; and Q is C 2 -C 6 alkenylene, C 5 -C 8 cycloalkylene, C 5 -C 8 cycloalkenylene or of the formula: ##STR10## wherein j is a whole number between 0 and 6 inclusive; R 4 and R 5 are each independently hydrogen or C 1 -C 3 alkyl; R 6 is hydrogen or methyl; and y is an integer between 2 and 5 inclusive; and with the proviso that j can be 0 or 1 only if the saturated carbon backbone had pendent unsaturation prior to being substituted with such silane moiety; said polymer having a viscosity average molecular weight of between about 500 and about 20,000.
Claim 2
Dependent Claim 258 words
An amorphous polymer comprising a saturated carbon backbone selected from the group consisting of ethylene/alphaolefin copolymer and ethylene/alphaolefin/nonconjugated polyene terpolymer and which possessed a viscosity index of at least 75 and vinylidene terminal unsaturation, having substituted thereon one or more silane moieties of the formula: ##STR9## wherein R 1 is: C 1 -C 12 alkoxy, C 1 -C 12 alkyleneoxy, C 4 -C 12 alkoxyalkoxy, C 5 -C 6 cycloalkoxy, C 6 -C 9 aryloxy, C 2 -C 13 alkylcarbonyloxy or C 1 -C 12 alkylamino; R 2 and R 3 are the same or different and are: hydrogen, C 1 -C 12 alkoxy, C 1 -C 12 alkyleneoxy, C 4 -C 12 alkoxyalkoxy, C 5 -C 6 cycloalkoxy, C 2 -C 13 alkylcarbonyloxy, C 1 -C 12 alkylamino, C 1 -C 12 alkyl, C 4 -C 12 alkoxyalkyl, C 5 -C 6 cycloalkyl or C 7 -C 9 aralkyl; and Q is C 2 -C 6 alkenylene, C 5 -C 8 cycloalkylene, C 5 -C 8 cycloalkenylene or of the formula: ##STR10## wherein j is a whole number between 0 and 6 inclusive; R 4 and R 5 are each independently hydrogen or C 1 -C 3 alkyl; R 6 is hydrogen or methyl; and y is an integer between 2 and 5 inclusive; and with the proviso that j can be 0 or 1 only if the saturated carbon backbone had pendent unsaturation prior to being substituted with such silane moiety; said polymer having a viscosity average molecular weight of between about 500 and about 20,000.
Claim 3
Dependent Claim 28 words
A polymer in accordance with claim 1 wherein the backbone has substituted thereon one or more moieties derived from vinyl trimethoxysilane, vinyl triethoxysilane, vinyl triacetoxysilane or vinyl triisopropoxysilane.
Claim 4
Dependent Claim 25 words
A polymer in accordance with claim 1 wherein the saturated carbon backbone is selected from the group consisting of ethylene/propylene copolymers and ethylene/propylene/nonconjugated diene terpolymers.
Claim 5
Dependent Claim 59 words
A polymer in accordance with claim 3 wherein R 1 is C 1 -C 6 alkoxy, C 6 -C 7 aryloxy or C 2 -C 6 alkylcarbonyloxy, R 2 and R 3 are each independently C 1 -C 6 alkoxy, C 6 -C 7 alkylcarbonyloxy, or C 1 -C 6 alkyl; and Q is C 2 -C 5 alkylene.
Claim 6
Dependent Claim 54 words
A polymer in accordance with claim 4 wherein R 1 is C 1 -C 3 alkoxy or C 2 -C 3 alkylcarbonyloxy; R 2 and R 3 are each independently C 1 -C 3 alkoxy, C 2 -C 3 alkylcarbonyloxy, or C 1 -C 3 alkyl; and Q is C 2 -C 5 alkylene.
Claim 7
Dependent Claim 23 words
A polymer in accordance with claim 5 wherein said polymer has a viscosity average molecular weight of between about 750 and about 10,000.
Claim 8
Dependent Claim 23 words
A polymer in accordance with claim 6 wherein said polymer has a viscosity average molecular weight of between about 1,000 and about 8,000.
Claim 9
Dependent Claim 332 words
A sealant composition comprised of (A) An amorphous polymer comprising a saturated carbon backbone selected from the group consisting of ethylene/alphaolefin copolymer and ethylene/alphaolefin/nonconjugated polyene terpolymer and which possessed a viscosity index of at least 75 and vinylidene terminal unsaturation, having substituted thereon one or more silane moieties of the formula: ##STR11## wherein R 1 is: C 1 -C 12 alkoxy, C 1 -C 12 alkyleneoxy, C 4 -C 12 alkoxyalkoxy, C 5 -C 6 cycloalkoxy, C 6 -C 9 aryloxy, C 2 -C 13 alkylcarbonyloxy or C 1 -C 12 alkylamino; R 2 and R 3 are the same or different and are: hydrogen, C 1 -C 12 alkoxy, C 1 -C 12 alkyleneoxy, C 4 -C 12 alkoxyalkoxy, C 5 -C 6 cycloalkoxy, C 2 -C 13 alkylcarbonyloxy, C 1 -C 12 alkylamino, C 1 -C 12 alkyl, C 4 -C 12 alkoxyalkyl, C 5 -C 6 cycloalkyl or C 7 -C 9 aralkyl; and Q is C 2 -C 6 alkenylene, C 5 -C 8 cycloalkylene, C 5 -C 8 cycloalkenylene or of the formula: ##STR12## wherein j is a whole number between 0 and 6 inclusive; R 4 and R 5 are each independently hydrogen or C 1 -C 3 alkyl; R 6 is hydrogen or methyl; and y is an integer between 2 and 5 inclusive, with the proviso that j can be 0 or 1 only if the saturated carbon backbone had pendent unsaturation prior to being substituted with such silane moiety; said polymer having a viscosity average molecular weight of between about 500 and about 20,000; (B) between 0 and about 300 parts by weight, per 100 parts by weight of component (A), of a filler; and (C) between 0 and about 10,000 parts by weight, per 100 parts by weight of component (A), of an inert diluent; with the proviso that a total of at least 1 part by weight of (B) plus (C) per 100 parts by weight of component (A) is present.
Claim 10
Dependent Claim 332 words
A sealant composition comprised of (A) An amorphous polymer comprising a saturated carbon backbone selected from the group consisting of ethylene/alphaolefin copolymer and ethylene/alphaolefin/nonconjugated polyene terpolymer and which possessed a viscosity index of at least 75 and vinylidene terminal unsaturation, having substituted thereon one or more silane moieties of the formula: ##STR11## wherein R 1 is: C 1 -C 12 alkoxy, C 1 -C 12 alkyleneoxy, C 4 -C 12 alkoxyalkoxy, C 5 -C 6 cycloalkoxy, C 6 -C 9 aryloxy, C 2 -C 13 alkylcarbonyloxy or C 1 -C 12 alkylamino; R 2 and R 3 are the same or different and are: hydrogen, C 1 -C 12 alkoxy, C 1 -C 12 alkyleneoxy, C 4 -C 12 alkoxyalkoxy, C 5 -C 6 cycloalkoxy, C 2 -C 13 alkylcarbonyloxy, C 1 -C 12 alkylamino, C 1 -C 12 alkyl, C 4 -C 12 alkoxyalkyl, C 5 -C 6 cycloalkyl or C 7 -C 9 aralkyl; and Q is C 2 -C 6 alkenylene, C 5 -C 8 cycloalkylene, C 5 -C 8 cycloalkenylene or of the formula: ##STR12## wherein j is a whole number between 0 and 6 inclusive; R 4 and R 5 are each independently hydrogen or C 1 -C 3 alkyl; R 6 is hydrogen or methyl; and y is an integer between 2 and 5 inclusive, with the proviso that j can be 0 or 1 only if the saturated carbon backbone had pendent unsaturation prior to being substituted with such silane moiety; said polymer having a viscosity average molecular weight of between about 500 and about 20,000; (B) between 0 and about 300 parts by weight, per 100 parts by weight of component (A), of a filler; and (C) between 0 and about 10,000 parts by weight, per 100 parts by weight of component (A), of an inert diluent; with the proviso that a total of at least 1 part by weight of (B) plus (C) per 100 parts by weight of component (A) is present.
Claim 11
Dependent Claim 30 words
A composition in accordance with claim 8 wherein said filler is selected from the group consisting of carbon black, clay, pumice, talc, calcium carbonate, silica, silicates, barytes and metal oxides.
Claim 12
Dependent Claim 30 words
A composition in accordance with claim 8 wherein said inert diluent is selected from the group consisting of vegetable oils, mineral oils, ester plasticizers and aromatic and aliphatic hydrocarbon solvents.
Claim 13
Dependent Claim 25 words
A composition in accordance with claim 8 wherein the saturated carbon backbone is selected from the group consisting of ethylene/propylene copolymers and ethylene/propylene/nonconjugated diene terpolymers.
Claim 14
Dependent Claim 59 words
A composition in accordance with claim 11 wherein R 1 is C 1 -C 6 alkoxy, C 6 -C 7 aryloxy or C 2 -C 6 alkylcarbonyloxy; R 2 and R 3 are each independently C 1 -C 6 alkoxy, C 6 -C 7 alkylcarbonyloxy, or C 1 -C 6 alkyl; and Q is C 2 -C 5 alkylene.
Claim 15
Dependent Claim 54 words
A composition in accordance with claim 12 wherein R 1 is C 1 -C 3 alkoxy or C 2 -C 3 alkylcarbonyloxy; R 2 and R 3 are each independently C 1 -C 3 alkoxy, C 2 -C 3 alkylcarbonyloxy, or C 1 -C 3 alkyl; and Q is C 2 -C 5 alkylene.
Claim 16
Dependent Claim 23 words
A composition in accordance with claim 13 wherein said polymer has a viscosity average molecular weight of between about 750 and about 10,000.
Claim 17
Dependent Claim 23 words
A composition in accordance with claim 14 wherein said polymer has a viscosity average molecular weight of between about 1,000 and about 8,000.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-04-03 1992-10-03 1993-04-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-04-03 1996-10-03 1997-04-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-04-03 2000-10-03 2001-04-04 $7700.00 Window Closed / Lapsed

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