Claims
- 1. 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.sup.1 is: C.sub.1 -C.sub.12 alkoxy, C.sub.1 -C.sub.12 alkyleneoxy, C.sub.4 -C.sub.12 alkoxyalkoxy, C.sub.5 -C.sub.6 cycloalkoxy, C.sub.6 -C.sub.9 aryloxy, C.sub.2 -C.sub.13 alkylcarbonyloxy or C.sub.1 -C.sub.12 alkylamino;
- R.sup.2 and R.sup.3 are the same or different and are: hydrogen, C.sub.1 -C.sub.12 alkoxy, C.sub.1 -C.sub.12 alkyleneoxy, C.sub.4 -C.sub.12 alkoxyalkoxy, C.sub.5 -C.sub.6 cycloalkoxy, C.sub.2 -C.sub.13 alkylcarbonyloxy, C.sub.1 -C.sub.12 alkylamino, C.sub.1 -C.sub.12 alkyl, C.sub.4 -C.sub.12 alkoxyalkyl, C.sub.5 -C.sub.6 cycloalkyl or C.sub.7 -C.sub.9 aralkyl; and
- Q is C.sub.2 -C.sub.6 alkenylene, C.sub.5 -C.sub.8 cycloalkylene, C.sub.5 -C.sub.8 cycloalkenylene or of the formula: ##STR10## wherein j is a whole number between 0 and 6 inclusive; R.sup.4 and R.sup.5 are each independently hydrogen or C.sub.1 -C.sub.3 alkyl; R.sup.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.
- 2. 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.
- 3. 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.
- 4. A polymer in accordance with claim 3 wherein R.sup.1 is C.sub.1 -C.sub.6 alkoxy, C.sub.6 -C.sub.7 aryloxy or C.sub.2 -C.sub.6 alkylcarbonyloxy, R.sup.2 and R.sup.3 are each independently C.sub.1 -C.sub.6 alkoxy, C.sub.6 -C.sub.7 alkylcarbonyloxy, or C.sub.1 -C.sub.6 alkyl; and Q is C.sub.2 -C.sub.5 alkylene.
- 5. A polymer in accordance with claim 4 wherein R.sup.1 is C.sub.1 -C.sub.3 alkoxy or C.sub.2 -C.sub.3 alkylcarbonyloxy; R.sup.2 and R.sup.3 are each independently C.sub.1 -C.sub.3 alkoxy, C.sub.2 -C.sub.3 alkylcarbonyloxy, or C.sub.1 -C.sub.3 alkyl; and Q is C.sub.2 -C.sub.5 alkylene.
- 6. A polymer in accordance with claim 5 wherein said polymer has a viscosity average molecular weight of between about 750 and about 10,000.
- 7. 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.
- 8. 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.sup.1 is: C.sub.1 -C.sub.12 alkoxy, C.sub.1 -C.sub.12 alkyleneoxy, C.sub.4 -C.sub.12 alkoxyalkoxy, C.sub.5 -C.sub.6 cycloalkoxy, C.sub.6 -C.sub.9 aryloxy, C.sub.2 -C.sub.13 alkylcarbonyloxy or C.sub.1 -C.sub.12 alkylamino;
- R.sup.2 and R.sup.3 are the same or different and are: hydrogen, C.sub.1 -C.sub.12 alkoxy, C.sub.1 -C.sub.12 alkyleneoxy, C.sub.4 -C.sub.12 alkoxyalkoxy, C.sub.5 -C.sub.6 cycloalkoxy, C.sub.2 -C.sub.13 alkylcarbonyloxy, C.sub.1 -C.sub.12 alkylamino, C.sub.1 -C.sub.12 alkyl, C.sub.4 -C.sub.12 alkoxyalkyl, C.sub.5 -C.sub.6 cycloalkyl or C.sub.7 -C.sub.9 aralkyl; and
- Q is C.sub.2 -C.sub.6 alkenylene, C.sub.5 -C.sub.8 cycloalkylene, C.sub.5 -C.sub.8 cycloalkenylene or of the formula: ##STR12## wherein j is a whole number between 0 and 6 inclusive; R.sup.4 and R.sup.5 are each independently hydrogen or C.sub.1 -C.sub.3 alkyl; R.sup.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.
- 9. 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.
- 10. 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.
- 11. 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.
- 12. A composition in accordance with claim 11 wherein R.sup.1 is C.sub.1 -C.sub.6 alkoxy, C.sub.6 -C.sub.7 aryloxy or C.sub.2 -C.sub.6 alkylcarbonyloxy; R.sup.2 and R.sup.3 are each independently C.sub.1 -C.sub.6 alkoxy, C.sub.6 -C.sub.7 alkylcarbonyloxy, or C.sub.1 -C.sub.6 alkyl; and Q is C.sub.2 -C.sub.5 alkylene.
- 13. A composition in accordance with claim 12 wherein R.sup.1 is C.sub.1 -C.sub.3 alkoxy or C.sub.2 -C.sub.3 alkylcarbonyloxy; R.sup.2 and R.sup.3 are each independently C.sub.1 -C.sub.3 alkoxy, C.sub.2 -C.sub.3 alkylcarbonyloxy, or C.sub.1 -C.sub.3 alkyl; and Q is C.sub.2 -C.sub.5 alkylene.
- 14. A composition in accordance with claim 13 wherein said polymer has a viscosity average molecular weight of between about 750 and about 10,000.
- 15. 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.
Parent Case Info
This is a division of application Ser. No. 905,819 filed Sept. 10, 1986, and now U.S. Pat. No. 4,759,992.
US Referenced Citations (14)
Foreign Referenced Citations (2)
Number |
Date |
Country |
183493 |
Jun 1986 |
EPX |
145785 |
Nov 1979 |
JPX |
Non-Patent Literature Citations (1)
Entry |
"Moisture-Curable Silane Grafted Ethylene Propylene Elastomers", (G. Wouters and F. Woods), International Rubber Conference, 1981, Harrogate, UK. |
Divisions (1)
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Number |
Date |
Country |
Parent |
905819 |
Sep 1986 |
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