US4080190A
Expired / Lapsed
US
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Siloxane-tin coatings and their use for protecting materials from growth of pestiferous organisms
Assignee: Ameron Inc
•
Filing: 1976-08-26
•
Granted: 1978-03-21
•
Expires: 1996-08-26
Abstract
Abstract Compositions for protecting materials from growth of pestiferous organisms, and particularly for protecting marine surfaces from fouling organisms, are formed from precursors having the formula ##STR1## where m is from 1 to about 10, where each X is independently selected from the group consisting of alkyl and alkoxyalkyl radicals containing less than about 6 carbon atoms and Y, where Y has the formula ##STR2## where R 1 , R 2 and R 3 are independently selected from the group consisting of alkyl, cycloalkyl, and aryl radicals, where R 1 , R 2 and R 3 contain in combination up to about 18 carbon atoms. The ratio of the tin atoms to silicon atoms in the precursors is at least about 1:50. The precursors can be directly used as an additive for coatings. The precursors can also be used by subjecting them to hydrolysis and polycondensation to form an organotin substituted polysiloxane for use as an additive and a binder for coatings.
Inventors
- 👤 Gabriel H. Law
- 👤 Albert Peter Gysegem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:06
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/045; A; A01; A01N; A01N55/00; A01N55/02; A01N55/04; C07; C07F; C07F7/00; C07F7/02; C07F7/04; C07F7/22; C07F7/2224; C08G77/02; C08G77/38; C08G77/382; C08G77/398; C08G77/80; C09; C09D; C09D183/00; C09D183/04; C09D183/08; C09D5/00; C09D5/16; C09D5/1606; C09D5/1637; C09D5/1643; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 55
Claim 1
Independent Claim
119 words
A siloxne having the formula: ##STR20## where m is from about 1 to about 10, where each X is independently selected from the group consisting of alkyl and alkoxyalkyl radicals containing less than 6 carbon atoms and Y, where each Y in the siloxane is independently a trisubstituted tin radical having the formula: ##STR21## where R 1 , R 2 , and R 3 are independently selected from the group consisting of alkyl, cycloalkyl, and aryl radicals, where R 1 , R 2 , and R 3 contain in combination up to 18 carbon atoms, and where the X's are selected so the ratio of tin atoms to silicon atoms in the siloxane is from about 1:50 to (2m+2):1.
Claim 2
Dependent Claim
119 words
A siloxne having the formula: ##STR20## where m is from about 1 to about 10, where each X is independently selected from the group consisting of alkyl and alkoxyalkyl radicals containing less than 6 carbon atoms and Y, where each Y in the siloxane is independently a trisubstituted tin radical having the formula: ##STR21## where R 1 , R 2 , and R 3 are independently selected from the group consisting of alkyl, cycloalkyl, and aryl radicals, where R 1 , R 2 , and R 3 contain in combination up to 18 carbon atoms, and where the X's are selected so the ratio of tin atoms to silicon atoms in the siloxane is from about 1:50 to (2m+2):1.
Claim 3
Dependent Claim
24 words
A siloxane as claimed in claim 1 where Y is selected from the group consisting of the tripropyl, tributyl, tricyclohexyl, and triphenyl tin radicals.
Claim 4
Dependent Claim
22 words
A siloxane as claimed in claim 1 wherein each X is selected from the group consisting of the ethyl radical and Y.
Claim 5
Dependent Claim
19 words
A siloxane prepared by at least partially hydrolyzing the siloxane of claim 1 to at least about 50% hydrolysis.
Claim 6
Dependent Claim
18 words
A siloxane as claimed in claim 1 wherein the siloxane is from about 70 to about 90% hydrolyzed.
Claim 7
Dependent Claim
120 words
A siloxane for forming a binder for an antifouling marine coating, wherein the siloxane has the formula: ##STR22## where m is from about 1 to about 10, where each X is independently selected from the group consisting of alkyl and alkoxyalkyl radicals containing less than 6 carbon atoms and Y, where Y has the formula: ##STR23## where R 1 , R 2 , and R 3 are independently selected from the group consisting of alkyl and cycloalkyl radicals, where R 1 , R 2 and R 3 contain in combination up to 18 carbon atoms, and where the X's are selected so the ratio of tin atoms to silicon atoms in the siloxane is from about 1:50 to about 2:5.
Claim 8
Dependent Claim
120 words
A siloxane for forming a binder for an antifouling marine coating, wherein the siloxane has the formula: ##STR22## where m is from about 1 to about 10, where each X is independently selected from the group consisting of alkyl and alkoxyalkyl radicals containing less than 6 carbon atoms and Y, where Y has the formula: ##STR23## where R 1 , R 2 , and R 3 are independently selected from the group consisting of alkyl and cycloalkyl radicals, where R 1 , R 2 and R 3 contain in combination up to 18 carbon atoms, and where the X's are selected so the ratio of tin atoms to silicon atoms in the siloxane is from about 1:50 to about 2:5.
Claim 9
Dependent Claim
31 words
A siloxane as claimed in claim 6 wherein the X's are selected so the ratio of tin atoms to silicon atoms in the siloxane is from about 1:12 to about 1:3.
Claim 10
Dependent Claim
23 words
A siloxane as claimed in claim 6 wherein Y is selected from the group consisting of the tributyl, tripropyl, and tricyclohexyl tin radicals.
Claim 11
Dependent Claim
21 words
A siloxane as claimed in claim 6 wherein X is selected from the group consisting of the ethyl radical and Y.
Claim 12
Dependent Claim
17 words
A siloxane prepared by partially hydrolyzing the siloxane of claim 6 to at least about 50% hydrolysis.
Claim 13
Dependent Claim
18 words
A siloxane as claimed in claim 6 wherein the siloxane is from about 70 to about 90% hydrolyzed.
Claim 14
Dependent Claim
89 words
A siloxane for forming a biologically active additive for preparing an antifouling marine coating composition, wherein the siloxane has the formula: ##STR24## where m is from about 1 to about 10, where each X is independently selected from the group consisting of alkyl and alkoxyalkyl radicals containing less than 6 carbon atoms and Y, where Y is a triaryl tin radical having 18 carbon atoms, and where the X's are selected so the ratio of tin atoms to silicon atoms in the siloxane is from about 1:50 to (2m+2):1.
Claim 15
Dependent Claim
89 words
A siloxane for forming a biologically active additive for preparing an antifouling marine coating composition, wherein the siloxane has the formula: ##STR24## where m is from about 1 to about 10, where each X is independently selected from the group consisting of alkyl and alkoxyalkyl radicals containing less than 6 carbon atoms and Y, where Y is a triaryl tin radical having 18 carbon atoms, and where the X's are selected so the ratio of tin atoms to silicon atoms in the siloxane is from about 1:50 to (2m+2):1.
Claim 16
Dependent Claim
22 words
A siloxane as claimed in claim 12 wherein each X is selected from the group consisting of the ethyl radical and Y.
Claim 17
Dependent Claim
124 words
A siloxane for forming a biologically active additive for preparing an antifouling marine coating composition, wherein the siloxane has the formula: ##STR25## where m is from about 1 to about 10, where each X is independently selected from the group consisting of alkyl and alkoxyalkyl radicals containing less than 6 carbon atoms and Y, where Y has the formula: ##STR26## where R 1 , R 2 , and R 3 are independently selected from the group consisting of alkyl, cycloalkyl, and aryl radicals, where R 1 , R 2 and R 3 contain in combination up to 18 carbon atoms, and where the X's are selected so the ratio of tin atoms to silicon atoms in the siloxane is from about 2:5 to (2m+2):1.
Claim 18
Dependent Claim
124 words
A siloxane for forming a biologically active additive for preparing an antifouling marine coating composition, wherein the siloxane has the formula: ##STR25## where m is from about 1 to about 10, where each X is independently selected from the group consisting of alkyl and alkoxyalkyl radicals containing less than 6 carbon atoms and Y, where Y has the formula: ##STR26## where R 1 , R 2 , and R 3 are independently selected from the group consisting of alkyl, cycloalkyl, and aryl radicals, where R 1 , R 2 and R 3 contain in combination up to 18 carbon atoms, and where the X's are selected so the ratio of tin atoms to silicon atoms in the siloxane is from about 2:5 to (2m+2):1.
Claim 19
Dependent Claim
24 words
A siloxane as claimed in claim 14 where Y is selected from the group consisting of the tripropyl, tributyl, tricyclohexyl, and triphenyl tin radicals.
Claim 20
Dependent Claim
22 words
A siloxane as claimed in claim 14 where each X is selected from the group consisting of the ethyl radical and Y.
Claim 21
Dependent Claim
129 words
A biologically active polysiloxane for protecting materials from growth of pestiferous organisms, wherein the polysiloxane consists essentially of the randomly cross-linked groups: ##STR27## where each Y is independently a trisubstituted tin radical having the formula: ##STR28## where R 1 , R 2 , and R 3 are independently selected from the group consisting of alkyl and cycloalkyl radicals, and R 1 , R 2 , and R 3 contain in combination from 3 to about 18 carbon atoms, where the ratio of tin atoms to silicon atoms in the polysiloxane is from about 1:50 to about 2:5; and where each branch of the polysiloxane independently terminates with a structure selected from the group consisting of hydrogen and alkyl and alkoxyalkyl radicals containing less than 6 carbon atoms and Y.
Claim 22
Dependent Claim
129 words
A biologically active polysiloxane for protecting materials from growth of pestiferous organisms, wherein the polysiloxane consists essentially of the randomly cross-linked groups: ##STR27## where each Y is independently a trisubstituted tin radical having the formula: ##STR28## where R 1 , R 2 , and R 3 are independently selected from the group consisting of alkyl and cycloalkyl radicals, and R 1 , R 2 , and R 3 contain in combination from 3 to about 18 carbon atoms, where the ratio of tin atoms to silicon atoms in the polysiloxane is from about 1:50 to about 2:5; and where each branch of the polysiloxane independently terminates with a structure selected from the group consisting of hydrogen and alkyl and alkoxyalkyl radicals containing less than 6 carbon atoms and Y.
Claim 23
Dependent Claim
28 words
A polysiloxane as claimed in claim 17 wherein the Y's are the same and are selected from the group consisting of the tripropyl, tributyl, and tricyclohexyl tin radicals.
Claim 24
Dependent Claim
29 words
A polysiloxane as claimed in claim 17 wherein each branch of the polysiloxane independently terminates with a structure selected from the group consisting of the ethyl radical and Y.
Claim 25
Dependent Claim
20 words
An antifouling coating for marine surfaces comprising a filler and as a binder a polysiloxane as defined by claim 17.
Claim 26
Dependent Claim
27 words
A coating as claimed in claim 20 where the ratio of tin atoms to silicon atoms in the polysiloxane binder is from about 1:12 to about 1:3.
Claim 27
Dependent Claim
28 words
A coating as claimed in claim 20 where the Y's are the same and are selected from the group consisting of the tripropyl, tributyl, and tricyclohexyl tin radicals.
Claim 28
Dependent Claim
28 words
A coating as claimed in claim 20 comprising from about 5 to about 85% by weight based on the total weight of the coating of the polysiloxane binder.
Claim 29
Dependent Claim
10 words
A coating as claimed in claim 20 comprising zinc oxide.
Claim 30
Dependent Claim
10 words
A coating as claimed in claim 20 comprising metallic zinc.
Claim 31
Dependent Claim
43 words
A coating as claimed in claim 20 comprising from about 20 to about 40% by weight of the polysiloxane binder and from about 60 to about 80% by weight of a filler comprising metallic zinc based on the total weight of the coating.
Claim 32
Dependent Claim
17 words
An additive for forming antifouling coatings comprising a biologically active comminuted polysiloxane as defined by claim 17.
Claim 33
Dependent Claim
31 words
An additive as claimed in claim 27 wherein the Y's in the polysiloxane are the same and are selected from the group consisting of the tripropyl, tributyl and tricyclohexyl tin radicals.
Claim 34
Dependent Claim
29 words
An additive as claimed in claim 27 wherein each branch of the polysiloxane independently terminates with a structure selected from the group consisting of the ethyl radical and Y.
Claim 35
Dependent Claim
28 words
An additive for forming antifouling coatings wherein the additive comprises a siloxane as defined in claim 1 where the Y's are triaryl tin radicals having 18 carbon atoms.
Claim 36
Dependent Claim
34 words
An additive for forming antifouling coatings wherein the additive comprises a siloxane as defined in claim 1 where the ratio of tin atoms to silicon atoms in the siloxane is at least about 2:5.
Claim 37
Dependent Claim
29 words
An additive as claimed in claim 31 where the Y's are the same and are selected from the group consisting of the tripropyl, tributyl, tricyclohexyl, and triphenyl tin radicals.
Claim 38
Dependent Claim
49 words
An antifouling coating for marine surfaces comprising a paint base and as an additive from about 1 to about 70% by weight based on the weight of the coating of a siloxane as defined by claim 1 where the Y's are triaryl tin radicals having about 18 carbon atoms.
Claim 39
Dependent Claim
15 words
A coating as claimed in claim 33 where the Y's are the triphenyl tin radical.
Claim 40
Dependent Claim
54 words
An antifouling coating for marine surfaces comprising a paint base and as an additive from about 1 to about 70% by weight based on the weight of the coating of a siloxane as claimed in claim 1 where the ratio of tin atoms to silicon atoms in the siloxane is at least about 2:5.
Claim 41
Dependent Claim
28 words
A coating as claimed in claim 35 where the Y's are the same and are selected from the group consisting of tripropyl, tributyl, tricyclohexyl, and triphenyl tin radicals.
Claim 42
Dependent Claim
37 words
An antifouling coating for marine surfaces comprising a paint base and, as an additive, from about 1 to about 70% by weight based on the weight of the coating of comminuted polysiloxane as defined by claim 17.
Claim 43
Dependent Claim
29 words
An antifouling coating as claimed in claim 37 wherein the Y's are the same and are selected from the group consisting of the tripropyl, tributyl and tricyclohexyl tin radicals.
Claim 44
Dependent Claim
30 words
An antifouling coating as claimed in claim 37 wherein each branch of the polysiloxane independently terminates with a structure selected from the group consisting of the ethyl radical and Y.
Claim 45
Dependent Claim
31 words
A method for protecting materials against growth of pestiferous organisms comprising the step of treating said material with an effective amount of a biologically active polysiloxane as defined by claim 17.
Claim 46
Dependent Claim
28 words
A method as claimed in claim 40 wherein the Y'a are the same and are selected from the group consisting of the tripropyl, tributyl, and tricyclohexyl tin radicals.
Claim 47
Dependent Claim
26 words
A method as claimed in claim 40 wherein the ratio of tin atoms to silicon atoms in the polysiloxane is from about 1:12 to about 1:3.
Claim 48
Dependent Claim
42 words
A method for protecting marine surfaces against the growth of fouling organisms which comprises the step of treating said marine surface with a coating composition containing as a binder an effective amount of a biologically active polysiloxane as defined by claim 17.
Claim 49
Dependent Claim
28 words
A method as claimed in claim 43 wherein the Y's are the same and are selected from the group consisting of the tripropyl, tributyl, and tricyclohexyl tin radicals.
Claim 50
Dependent Claim
52 words
A method for protecting marine surfaces against the growth of fouling organisms which comprises the step of treating said marine surface with a coating composition containing as an additive an effective amount of a siloxane as defined in claim 1 where the Y's are triaryl tin radicals having about 18 carbon atoms.
Claim 51
Dependent Claim
15 words
A method as claimed in claim 45 wherein the Y's are the triphenyl tin radical.
Claim 52
Dependent Claim
59 words
A method for protecting marine surfaces against the growth of fouling organisms which comprises the step of treating said marine surface with a coating composition containing as an additive an effective amount of a biologically active siloxane as defined by claim 1 where the ratio of tin atoms to silicon atoms in the precursor is at least about 2:5.
Claim 53
Dependent Claim
29 words
A method as claimed in claim 47 wherein the Y's are the same and are selected from the group consisting of the tripropyl, tributyl, tricyclohexyl, and triphenyl tin radicals.
Claim 54
Dependent Claim
42 words
A method for protecting marine surfaces against the growth of fouling organisms which comprises the step of treating said marine surface with a coating composition containing as an additive an effective amount of a biologically active siloxane as defined by claim 1.
Claim 55
Dependent Claim
29 words
A method as claimed in claim 49 wherein the Y's are the same and are selected from the group consisting of the tripropyl, tributyl, tricyclohexyl, and triphenyl tin radicals.
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) | 1981-03-20 | 1981-09-19 | 1982-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-20 | 1985-09-19 | 1986-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-20 | 1989-09-19 | 1990-03-21 | $7700.00 | Window Closed / Lapsed |