Patent US4559056A successfully refreshed from Google Patents.
US4559056A
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Process for treating textile materials with silicone-containing composition
Assignee: Halliburton Co
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Filing: 1984-07-12
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Granted: 1985-12-17
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Expires: 2004-07-12
Abstract
Abstract A textile material containing cotton and/or synthetic fibres is treated by applying thereto an aqueous emulsion containing an organopolysiloxane elastomer, a hydrophilic organosiloxane-oxyalkylene copolymer and optionally a siloxane curing catalyst, and drying and curing the thus treated material.
Inventors
- 👤 Malcolm H. Leigh
- 👤 Hans Deiner
- 👤 George C. Philpott
- 👤 Ian S. Macklin
- 👤 Alan McDonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:15
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
238 words
A process for treating a textile material containing cotton or synthetic fibers which comprises applying to the textile material an aqueous emulsion containing (a) an organopolysiloxane elastomer, (b) a crosslinking agent which is an organosiloxane-oxyalkylene copolymer wherein at least one silicon atom of an organosiloxane unit has attached thereto an oxyalkylene-containing group A having the formula ##STR14## wherein X represents a divalent hydrocarbon group having from 2 to 8 carbon atoms, R represents an alkylene group having from 2 to 4 carbon atoms, n is an integer of at least 2, Z represents an organic group composed of carbon, hydrogen and oxygen and having therein at least one epoxy group, R' represents a lower alkyl, vinyl or phenyl group, R" represents an alkyl or an alkoxyalkyl group having less than 7 carbon atoms and a has a value of 0, 1 or 2, the remaining silicon-bonded substituents in the organosiloxane units being selected from hydrogen atoms, monovalent hydrocarbon groups and groups represented by the general formula --X(OR).sub.n OG, wherein X, R and n are as hereinabove defined and G represents a hydrogen atom, a monovalent hydrocarbon group having from 1 to 10 carbon atoms or an acyl group having from 1 to 6 carbon atoms, at least 40 percent of the total substituents bonded to siloxane silicon atoms in the copolymer being methyl, and optionally (c) a siloxane curing catalyst, and drying and curing the thus treated material.
Claim 2
Dependent Claim
238 words
A process for treating a textile material containing cotton or synthetic fibers which comprises applying to the textile material an aqueous emulsion containing (a) an organopolysiloxane elastomer, (b) a crosslinking agent which is an organosiloxane-oxyalkylene copolymer wherein at least one silicon atom of an organosiloxane unit has attached thereto an oxyalkylene-containing group A having the formula ##STR14## wherein X represents a divalent hydrocarbon group having from 2 to 8 carbon atoms, R represents an alkylene group having from 2 to 4 carbon atoms, n is an integer of at least 2, Z represents an organic group composed of carbon, hydrogen and oxygen and having therein at least one epoxy group, R' represents a lower alkyl, vinyl or phenyl group, R" represents an alkyl or an alkoxyalkyl group having less than 7 carbon atoms and a has a value of 0, 1 or 2, the remaining silicon-bonded substituents in the organosiloxane units being selected from hydrogen atoms, monovalent hydrocarbon groups and groups represented by the general formula --X(OR).sub.n OG, wherein X, R and n are as hereinabove defined and G represents a hydrogen atom, a monovalent hydrocarbon group having from 1 to 10 carbon atoms or an acyl group having from 1 to 6 carbon atoms, at least 40 percent of the total substituents bonded to siloxane silicon atoms in the copolymer being methyl, and optionally (c) a siloxane curing catalyst, and drying and curing the thus treated material.
Claim 3
Dependent Claim
21 words
A process according to claim 1, wherein R represents an ethylene or propylene radical and n is from 2 to 50.
Claim 4
Dependent Claim
17 words
A process according to claim 1, wherein X is alkylene having from 2 to 8 carbon atoms.
Claim 5
Dependent Claim
21 words
A process according to claim 1 wherein the copolymer is of the ABA configuration where B represents a linear siloxane radical.
Claim 6
Dependent Claim
32 words
A process according to claim 4, wherein B is a radical of the formula --(M 2 SiO) b --, where M is methyl and b is an integer of at least 2.
Claim 7
Dependent Claim
27 words
A process according to claim 1 in which the copolymer is of the so-called "rake" configuration wherein the oxyalkylene-containing groups A are pendant from a siloxane chain.
Claim 8
Dependent Claim
27 words
A process according to claim 1, wherein the elastomer is an α,ω-polydimethyl-siloxane diol having a viscosity at 25° C. of more than 10 2 cm 2 /sec.
Claim 9
Dependent Claim
23 words
A process according to claim 7 wherein the elastomer has a viscosity at 25° C. of more than 10 3 cm 2 /sec.
Claim 10
Dependent Claim
198 words
A process according to claim 1 wherein the elastomer is an organopolysiloxane of the formula ##STR15## wherein Q represents a divalent hydrocarbon group, a divalent group composed of carbon, hydrogen and oxygen, a divalent group composed of carbon, hydrogen and sulphur, or a divalent group composed of carbon, hydrogen, oxygen and sulphur, each R represents a monovalent hydrocarbon group having less than 19 carbon atoms, at least 50 percent of the total R groups being methyl, each R' represents a hydrogen atom, an alkoxy or alkoxyalkoxy group having less than 7 carbon atoms, a monovalent hydrocarbon group having less than 19 carbon atoms or the group --QCOOH, except that R' may not represent a monovalent hydrocarbon group or the group --QCOOH when d is 0, R" represents a hydrogen atom or an alkoxy or alkoxyalkoxy group having less than 7 carbon atoms, d is 0 or an integer, b is an integer and c is an integer having a value up to ##EQU2## at least two of the groups R' and R" present in the molecule being selected from hydrogen atoms, alkoxy groups having less than 7 carbon atoms and alkoxyalkoxy groups having less than 7 carbon atoms.
Claim 11
Dependent Claim
47 words
A process according to claim 9, wherein Q is a group of the formula --CH 2 CH 2 --, --(CH 2 ) 3 --, ##STR16## --CH 2 CH(CH 3 )CH 2 --, --CH 2 CH 2 OCH 2 -- or --CH 2 CH 2 SCH 2 --.
Claim 12
Dependent Claim
24 words
A process according to claim 9 wherein the elastomer has the formula ##STR17## in which x is an integer and y is an integer.
Claim 13
Dependent Claim
58 words
A process according to claim 11 wherein the elastomer is selected from compounds of formula according to claim 11 in which (a) x is 88 and y is 10, (b) x is 120 and y is 30 and (c) the mixture in which x has as average value of 143.5 and y has an average value of 4.5.
Claim 14
Dependent Claim
21 words
A process according to claim 1, wherein the ratio of elastomer to crosslinking agent is from 1:1 to 10:1 by weight.
Claim 15
Dependent Claim
21 words
A process according to claim 13, wherein the ratio of elastomer to crosslinking agent is from 1:1 to 4:1 by weight.
Claim 16
Dependent Claim
20 words
A process according to claim 1, wherein the siloxane curing catalyst is a tin carboxylate, an acid or a base.
Claim 17
Dependent Claim
25 words
A process according to claim 1, wherein the textile material is simultaneously treated with a crease resisting resin, an optical brightening agent or a dyestuff.
Claim 18
Dependent Claim
13 words
A process according to claim 1, which is carried out by a pad-technique.
Claim 19
Dependent Claim
17 words
A process according to claim 1, wherein the treated material is dried and cured at elevated temperature.
Claim 20
Dependent Claim
20 words
An aqueous emulsion containing an organopolysiloxane elastomer, a crosslinking agent and optionally a siloxane curing catalyst according to claim 1.
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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) | 1988-12-16 | 1989-06-17 | 1989-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-12-16 | 1993-06-17 | 1993-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-12-16 | 1997-06-17 | 1997-12-17 | $7700.00 | Window Closed / Lapsed |