US3914199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acetoxsilicon adhesion promoter and primer composition
Assignee: Dow Silicones Corp
•
Filing: 1973-10-12
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Granted: 1975-10-21
•
Expires: 1993-10-12
Abstract
Abstract Reaction products obtained by mixing under anhydrous conditions WHERE K IS 0 TO 20 AND A is methyl or vinyl and WHERE M IS 0 TO 5 AND Y IS 1 OR 2 ARE ADHESION PROMOTERS WHICH ARE USEFUL IN PRIMER COMPOSITIONS. The primer compositions are organic solvent solutions with 50 to 99.9 weight percent organic solvent, with the balance being made up of 5 to 100 weight percent of the adhesion promoter, 0 to 50 weight percent of alkylsilicate and 0 to 50 weight percent of an organotitanate. An example of a primer composition would be a solution of 76.9 weight percent inhibited 1,1,1-trichloroethane with 23.1 weight percent of equal weight amounts of an adhesion promoter where A is vinyl, k is 3 and m has an average value of about 0.7, ethylpolysilicate and bis(acetylacetonyl)diisopropyltitanate. The primer compositions are useful in adhering room temperature vulcanizable silicone elastomers to substrates such as aluminum.
Inventors
- 👤 Chi-Long Lee
- 👤 Jay R Schulz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:49
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/12; C07F7/18; C07F7/1896; C08G; C08G77/00; C08G77/04; C08G77/045; C08G77/20; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/54; C08L; C08L83/00; C08L83/02; C08L83/04; C09; C09D; C09D183/00; C09D183/04; C09J; C09J183/00; C09J183/02; C09J183/04; C08J2383/00; C08L2666/00; C08L2666/28; C08L2666/52
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
24 words
A COMPOSITION UNDER ANHYDROUS CONDITIONS CONSITING ESSENTIALLU OF AN ORGANIC SOLVENT SOLUTION OF A. A REACTION PRODUCT OBTAINED BY MIXING UNDER ESSENTIALLY ANHYDROUS CONDITION
Claim 2
Dependent Claim
24 words
A COMPOSITION UNDER ANHYDROUS CONDITIONS CONSITING ESSENTIALLU OF AN ORGANIC SOLVENT SOLUTION OF A. A REACTION PRODUCT OBTAINED BY MIXING UNDER ESSENTIALLY ANHYDROUS CONDITION
Claim 3
Dependent Claim
5 words
AN ORGANOSILOXANE OF THE FORMULA
Claim 4
Dependent Claim
5 words
AN ORGANOSILOXANE OF THE FORMULA
Claim 5
Dependent Claim
6 words
AN ACETOXYSILICON COMPOUND OF THE FORMULA
Claim 6
Dependent Claim
6 words
AN ACETOXYSILICON COMPOUND OF THE FORMULA
Claim 7
Dependent Claim
6 words
an acetoxysilicon compound of the formula
Claim 8
Dependent Claim
6 words
an acetoxysilicon compound of the formula
Claim 9
Dependent Claim
14 words
The composition in accordance with claim 1 in which A is the vinyl radical.
Claim 10
Dependent Claim
6 words
an acetoxysilicon compound of the formula
Claim 11
Dependent Claim
6 words
an acetoxysilicon compound of the formula
Claim 12
Dependent Claim
42 words
The composition in accordance with claim 2 in which the organic solvent solution is from 75 to 99 weight percent organic solvent and (b) is present in at least 10 weight percent and (c) is present in at least 4 weight percent.
Claim 13
Dependent Claim
15 words
The composition in accordance with claim 3 in which the organic solvent is inhibited 1,1,1-trichloroethane.
Claim 14
Dependent Claim
31 words
The composition in accordance with claim 2 in which k is 3 and (1) and (2) are mixed in proportions which provide 50 weight percent (1) and 50 weight percent (2).
Claim 15
Dependent Claim
46 words
The composition in accordance with claim 5 in which the organic solvent is from 75 to 99 weight percent chlorothene and (b) is present in an amount of at least 10 weight percent and (c) is present in an amount of at least 4 weight percent.
Claim 16
Dependent Claim
34 words
The composition in accordance with claim 4 in which k is 3, (1) and (2) are mixed in proportions which provide equal molar amounts of (1) and (2) and the acetoxysilicon compound is methyltriacetoxysilane.
Claim 17
Dependent Claim
35 words
The composition in accordance with claim 4 in which k is 3, (1) and (2) are mixed in proportions which provide equal molar amounts of (1) and (2) and the acetoxysilicon compound has a formula
Claim 18
Dependent Claim
23 words
The composition in accordance with claim 6 in which m has an average value of 0.5 to 1 inclusive and y is 1.
Claim 19
Dependent Claim
46 words
The composition in accordance with claim 9 in which (a) is present in an amount of at least 10 weight percent, (b) is present in an amount of at least 20 weight percent and (c) is present in an amount of at least 10 weight percent.
Claim 20
Dependent Claim
34 words
The composition in accordance with claim 4 in which k is 3, (1) and (2) are mixed in proportions which provide equal molar amounts of (1) and (2) and the acetoxysilicon compound is tetraacetoxysilane.
Claim 21
Dependent Claim
25 words
The composition in accordance with claim 1 in which the ratio of hydroxyl in (1) to acetoxy in (2) is from 1/8 to 1/2 .
Claim 22
Dependent Claim
13 words
The composition in accordance with claim 7 in which the organotitanate is bis(acetylacetonyl)diisopropyltitanate.
Claim 23
Dependent Claim
13 words
The composition in accordance with claim 8 in which the organotitanate is bis(acetylacetonyl)diisopropyltitanate.
Claim 24
Dependent Claim
13 words
The composition in accordance with claim 9 in which the organotitanate is bis(acetylacetonyl)diisopropyltitanate.
Claim 25
Dependent Claim
13 words
The composition in accordance with claim 10 in which the organotitanate is bis(acetylacetonyl)diisopropyltitanate.
Claim 26
Dependent Claim
13 words
The composition in accordance with claim 11 in which the organotitanate is bis(acetylacetonyl)diisopropyltitanate.
Claim 27
Dependent Claim
15 words
A composition under anhydrous conditions consisting essentially of an organic solvent solution prepared by mixing
Claim 28
Dependent Claim
15 words
A composition under anhydrous conditions consisting essentially of an organic solvent solution prepared by mixing
Claim 29
Dependent Claim
14 words
The composition in accordance with claim 18 in which A is the vinyl radical.
References Cited (Backward Citations)
US3377309A
Cited
US3677998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-20 | 1979-04-21 | 1979-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-20 | 1983-04-21 | 1983-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-20 | 1987-04-21 | 1987-10-21 | $7700.00 | Window Closed / Lapsed |