US4128438A
Expired / Lapsed
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Granulate form organosilane preparation
Assignee: Evonik Operations GmbH
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Filing: 1978-01-31
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Granted: 1978-12-05
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Expires: 1998-01-31
Abstract
Abstract A granulate organosilane preparation is made consisting essentially of (a) 30 to 60 weight percent of at least one organosilane of the formula ##STR1## where R 1 is an alkyl group with 1 to 3 carbon atoms, R 2 is an alkyl or alkoxy group with 1 to 3 carbon atoms, R is an alkylene group with 1 to 5 carbon atoms and x has a value from 2.0 to 6.0, and (b) 70 to 40 weight percent of carbon black.
Inventors
- 👤 Siegfried Wolff
- 👤 Lothar Rothbuhr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:15
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/02; C08K3/04; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C08J; C08J3/00; C08J3/20; C08J3/22; C08K5/00; C08K5/54; C08K5/548; C08J2321/00
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
76 words
A granulate organosilane composition consisting of (a) 30 to 60 weight percent of an organosilane of the formula ##STR4## where R 1 is an alkyl group with 1 to 3 carbon atoms, R 2 is an alkyl or alkoxy group with 1 to 3 carbon atoms, R is an alkylene group with 1 to 5 carbon atoms and x has a value from 2.0 to 6.0, and (b) 70 to 40 weight percent of carbon black.
Claim 2
Dependent Claim
76 words
A granulate organosilane composition consisting of (a) 30 to 60 weight percent of an organosilane of the formula ##STR4## where R 1 is an alkyl group with 1 to 3 carbon atoms, R 2 is an alkyl or alkoxy group with 1 to 3 carbon atoms, R is an alkylene group with 1 to 5 carbon atoms and x has a value from 2.0 to 6.0, and (b) 70 to 40 weight percent of carbon black.
Claim 3
Dependent Claim
16 words
A granulate organosilane composition according to claim 1 wherein the carbon black is a furnace black.
Claim 4
Dependent Claim
15 words
A granulate composition according to claim 2 wherein the carbon black is an HAF black.
Claim 5
Dependent Claim
21 words
A granulate composition according to claim 3 wherein the granulates have an average particle size of about 0.8 to 1.0 mm.
Claim 6
Dependent Claim
12 words
A granulate composition according to claim 4 wherein the organosilane is bis-(3-triethoxysilylpropyl)-tetrasulfide.
Claim 7
Dependent Claim
27 words
A granulate composition according to claim 5 consisting of 45 to 57 weight % of the organosilane and 55 to 43 weight % of the carbon black.
Claim 8
Dependent Claim
22 words
A granulate organosilane composition according to claim 1 wherein the granulates have an average particle size of about 0.8 to 1.0 mm.
Claim 9
Dependent Claim
94 words
A granulate organosilane composition according to claim 1 consisting of 45 to 57 weight percent of an organosilane of the formula (C.sub.2 H.sub.5 O).sub.3 Si--R.sub.3 --S.sub.x.sbsb.1 --R.sub.3 --Si(OC.sub.2 H.sub.5).sub.3 where R 3 is an alkylene group with 1 to 4 carbon atoms and x 1 is a number between 2.0 and 4.0, and 55 to 43 weight percent of an HAF black having the following properties ______________________________________
BET surface area 78 m.sup.2 /g (±3)
Average primary particle size
27 nm (±2)
(arithmetic average)
pH 9 (±1)
Dibutyl phthalate absorption
100 ml/100 g (±5)
______________________________________
Claim 10
Dependent Claim
90 words
A granulate organosilane composition according to claim 1 consisting of 30 weight percent of an organosilane of the formula (C.sub.2 H.sub.5 O).sub.3 Si--R.sub.3 --S.sub.x.sbsb.1 --R.sub.3 --Si(OC.sub.2 H.sub.5).sub.3 where R 3 is an alkylene group with 1 to 4 carbon atoms and x 1 is a number between 2.0 and 4.0, and 70 weight percent of a furnace black having the following properties ______________________________________
BET surface area 45 m.sup.2 /g (±3)
Average primary particle size
56 nm (±4)
(arithmetic average)
pH 9 (±1)
Dibutyl phthalate absorption
44 ml/100 g (±5)
______________________________________
Claim 11
Dependent Claim
88 words
A granulate organosilane composition according to claim 1 consisting of 60 weight percent of an organosilane of the formula (C.sub.2 H.sub.5 O).sub.3 Si--R.sub.3 --S.sub.x.sbsb.1 --R.sub.3 --Si(OC.sub.2 H.sub.5).sub.3 where R 3 is an alkylene group with 1 to 4 carbon atoms and x 1 is a number from 2.0 and 4.0, and 40 weight percent of a carbon black having the following properties ______________________________________
BET surface area 78 m.sup.2 /g (±3)
Average primary particle size
27 nm (±2)
pH 9 (±1)
Dibutyl phthalate absorption
155 ml/100 g (±5)
______________________________________
Claim 12
Dependent Claim
31 words
A process for the production of the granulate organosilane composition of claim 1 consisting of mixing the organosilane (a) with the carbon black (b) until there are formed dust free granulates.
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) | 1981-12-04 | 1982-06-05 | 1982-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-04 | 1986-06-05 | 1986-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-04 | 1990-06-05 | 1990-12-05 | $7700.00 | Window Closed / Lapsed |