US4060570A
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Curable liquid polysulfide polymer based sealants
Assignee: ATK Launch Systems LLC
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Filing: 1976-05-10
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Granted: 1977-11-29
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Expires: 1996-05-10
Abstract
Abstract Curable liquid polysulfide polymer based sealants containing butyl or polybutene polymers or mixtures thereof as adhesive additives. The compositions show improved adherence to glass in the presence of moisture and ultra-violet light.
Inventors
- 👤 3rd Henry Neil Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:26
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/10; C09K3/1006; C09K3/1012; C08; C08L; C08L81/00; C08L81/04; C09K2200/00; C09K2200/02; C09K2200/0239; C09K2200/06; C09K2200/0615; C09K2200/0617; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31533; Y10T428/31551; Y10T428/31645
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
57 words
A polysulfide based sealant composition which comprises: a. a curable liquid polysulfide polymer of the formula HS--(RSS) n --RSH wherein R is a hydrocarbon, oxahydrocarbon or thiahydrocarbon radical and n is from 4 to about 23; b. a butyl rubber, a polybutene polymer, or a mixture thereof as an adhesive additive; and c. an oil absorbent filler.
Claim 2
Dependent Claim
57 words
A polysulfide based sealant composition which comprises: a. a curable liquid polysulfide polymer of the formula HS--(RSS) n --RSH wherein R is a hydrocarbon, oxahydrocarbon or thiahydrocarbon radical and n is from 4 to about 23; b. a butyl rubber, a polybutene polymer, or a mixture thereof as an adhesive additive; and c. an oil absorbent filler.
Claim 3
Dependent Claim
75 words
A process for the enhancement of adhesiveness of a sealant composition based on a curable liquid polysulfide polymer of the formula HS--(RSS) n --RSH wherein R is a hydrocarbon, oxahydrocarbon, or thiahydrocarbon radical and n is from 4 to about 23, which comprises the admixture with the uncured sealant, in an amount effective to insure adequate bonding of the uncured sealant to a substrate, of a butyl rubber, a polybutene polymer, or a mixture thereof.
Claim 4
Dependent Claim
75 words
A process for the enhancement of adhesiveness of a sealant composition based on a curable liquid polysulfide polymer of the formula HS--(RSS) n --RSH wherein R is a hydrocarbon, oxahydrocarbon, or thiahydrocarbon radical and n is from 4 to about 23, which comprises the admixture with the uncured sealant, in an amount effective to insure adequate bonding of the uncured sealant to a substrate, of a butyl rubber, a polybutene polymer, or a mixture thereof.
Claim 5
Dependent Claim
71 words
A cured rubber-like polymer derived from a composition comprising a curable liquid polysulfide polymer of the formula HS--(RSS) n --RSH wherein R is a hydrocarbon, oxahydrocarbon, or thiahydrocarbon radical and n is from 4 to about 23, an oil absorbent filler, an oxidative curing agent, and in an amount effective to insure bonding of said cured rubber-like polymer to a substrate, a butyl rubber, a polybutene polymer, or a mixture thereof.
Claim 6
Dependent Claim
71 words
A cured rubber-like polymer derived from a composition comprising a curable liquid polysulfide polymer of the formula HS--(RSS) n --RSH wherein R is a hydrocarbon, oxahydrocarbon, or thiahydrocarbon radical and n is from 4 to about 23, an oil absorbent filler, an oxidative curing agent, and in an amount effective to insure bonding of said cured rubber-like polymer to a substrate, a butyl rubber, a polybutene polymer, or a mixture thereof.
Claim 7
Dependent Claim
67 words
In an improved article of manufacture requiring a sealant on at least one surface thereof, the improvement which comprises said sealant being based on a curable liquid polysulfide polymer of the formula HS--(RSS) n --RSH wherein R is a hydrocarbon, oxahydrocarbon, or thiahydrocarbon radical and n is 4 to about 23, and containing as an adhesive additive a butyl rubber, a polybutene polymer, or a mixture thereof.
Claim 8
Dependent Claim
67 words
In an improved article of manufacture requiring a sealant on at least one surface thereof, the improvement which comprises said sealant being based on a curable liquid polysulfide polymer of the formula HS--(RSS) n --RSH wherein R is a hydrocarbon, oxahydrocarbon, or thiahydrocarbon radical and n is 4 to about 23, and containing as an adhesive additive a butyl rubber, a polybutene polymer, or a mixture thereof.
Claim 9
Dependent Claim
16 words
A sealant composition as defined in claim 1 wherein the adhesive additive comprises a polybutyl polymer.
Claim 10
Dependent Claim
16 words
A sealant composition as defined in claim 1 wherein the adhesive additive comprises a polybutene polymer.
Claim 11
Dependent Claim
20 words
A sealant composition as defined in claim 1 wherein the adhesive additive comprises a polybutyl polymer and a polybutene polymer.
Claim 12
Dependent Claim
19 words
A sealant composition as defined in claim 1 wherein the polybutyl polymer contains a minor fraction of curing sites.
Claim 13
Dependent Claim
17 words
A process as defined in claim 2 wherein a polybutyl polymer is added to the uncured sealant.
Claim 14
Dependent Claim
17 words
A process as defined in claim 9 wherein a polybutene polymer is added to the uncured sealant.
Claim 15
Dependent Claim
21 words
A process as defined in claim 9 wherein a polybutyl polymer and a polybutene polymer are added to the uncured sealant.
Claim 16
Dependent Claim
18 words
A process as defined in claim 11 wherein the polybutyl polymer has a minor fraction of curing sites.
Claim 17
Dependent Claim
22 words
A product as defined in claim 3 wherein a polybutyl polymer is incorporated into the mixture from which said product is derived.
Claim 18
Dependent Claim
22 words
A product as defined in claim 3 wherein a polybutene polymer is incorporated into the mixture from which said product is derived.
Claim 19
Dependent Claim
26 words
A product as defined in claim 3 wherein a polybutyl polymer, and a polybutene polymer are incorporated into the mixture from which said product is derived.
Claim 20
Dependent Claim
18 words
An improved article of manufacture as defined in claim 4 wherein the adhesive additive is a polybutyl polymer.
Claim 21
Dependent Claim
18 words
An improved article of manufacture as defined in claim 4 wherein the adhesive additive is a polybutene polymer.
Claim 22
Dependent Claim
23 words
An improved article of manufacture as defined in claim 4 wherein the adhesive additive is a polybutyl polymer latex and a polybutene polymer.
Claim 23
Dependent Claim
21 words
An improved article of manufacture as defined in claim 18 wherein the polybutyl polymer contains a minor fraction of curing sites.
Claim 24
Dependent Claim
23 words
A sealant composition as defined in claim 5 wherein the butyl polymer is a liquid polymer containing a minor fraction of curing sites.
Claim 25
Dependent Claim
22 words
A process as defined in claim 9 wherein the polybutyl polymer is a liquid polymer containing a minor fraction of curing sites.
Claim 26
Dependent Claim
22 words
A product as defined in claim 13 wherein the polybutyl polymer is a liquid polymer containing a minor fraction of curing sites.
Claim 27
Dependent Claim
24 words
An article of manufacture as defined in claim 16 wherein the polybutyl polymer is a liquid polymer containing a minor fraction of curing sites.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-11-28 | 1981-05-30 | 1981-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-11-28 | 1985-05-30 | 1985-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-11-28 | 1989-05-30 | 1989-11-29 | $7700.00 | Window Closed / Lapsed |