US4058500A
Expired / Lapsed
US
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Sulphur cements, process for making same and sulphur concretes made therefrom
Assignee: Teck Metals Ltd
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Filing: 1976-02-20
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Granted: 1977-11-15
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Expires: 1996-02-20
Abstract
Abstract Novel sulphur cements and concretes are provided. They contain, in addition to the sulphur, a particularly recited olefinic hydrocarbon polymer material, either added as such or prereacted with sulphur, as a chemical stabilizer, and a particularly recited particulate viscosity increasing, surface active, stabilizer, e.g. fly ash. Novel sulphur concretes are provided made from such sulphur cement and conventional natural or manufactured aggregates.
Inventors
- 👤 Alan H. Vroom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:07
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/36
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
75 words
A sulphur cement composition comprising: a. sulphur; b. a viscosity increasing surface active finely divided particulate stabilizer; and c. up to about 10 parts by weight of the total amount of sulphur of an olefinic hydrocarbon polymer material derived from petroleum and having a non-volatile content greater than about 50% by weight and a minimum Wijs iodine number of about 100 cg/g; and which is capable of reacting with sulphur to form a sulphur-containing polymer.
Claim 2
Dependent Claim
75 words
A sulphur cement composition comprising: a. sulphur; b. a viscosity increasing surface active finely divided particulate stabilizer; and c. up to about 10 parts by weight of the total amount of sulphur of an olefinic hydrocarbon polymer material derived from petroleum and having a non-volatile content greater than about 50% by weight and a minimum Wijs iodine number of about 100 cg/g; and which is capable of reacting with sulphur to form a sulphur-containing polymer.
Claim 3
Dependent Claim
31 words
The sulphur cement composition of claim 1 including an olefinic hydrocarbon polymer material (c) which is in the form of a sulphur-containing polymer provided by reacting sulphur with said olefinic hydrocarbon.
Claim 4
Dependent Claim
20 words
The sulphur cement composition of claim 1 wherein the particulate stabilizer (b) is of a size of minus 100 mesh.
Claim 5
Dependent Claim
22 words
The sulphur cement composition of claim 3, wherein the particulate stabilizer (b) is fly ash, of a size of minus 200 mesh.
Claim 6
Dependent Claim
37 words
The sulphur cement of claim 2, wherein, for each 100 parts by weight of (a), there are about 10 to about 150 parts by weight of (b) and up to about 10 parts by weight of (c).
Claim 7
Dependent Claim
36 words
The sulphur cement of claim 4, for each 100 parts by weight of (a), there are about 10 to about 150 parts by weight of (b) and up to about 10 parts by weight of (c).
Claim 8
Dependent Claim
23 words
The sulphur cement of claim 5, wherein, the amount of (c) is about 1 to about 5% of the total sulphur by weight.
Claim 9
Dependent Claim
23 words
The sulphur cement of claim 6, wherein the amount of (c) is about 1 to about 5% of the total sulphur by weight.
Claim 10
Dependent Claim
23 words
The sulphur cement of claim 6, wherein the amount of (c) is about 1 to about 5% of the total sulphur by weight.
Claim 11
Dependent Claim
13 words
The sulphur cement of claim 1, including an additive to provide fire resistance.
Claim 12
Dependent Claim
11 words
The sulphur cement of claim 10, wherein the additive is 1,5,9-cyclododecatriene
Claim 13
Dependent Claim
22 words
The sulphur cement of claim 10, wherein the additive is the reaction product of diphenoxydithiophosphinic acid with sulphur and with α-methyl styrene.
Claim 14
Dependent Claim
86 words
A sulphur concrete comprising: A. a sulphur cement composition comprising a. sulphur, b. a viscosity increasing surface active finely divided particulate stabilizer, and c. up to about 10 parts by weight of the total amount of sulphur of an olefinic hydrocarbon polymer material derived from petroleum and having a non-volatile content greater than about 50% by weight and a minimum Wijs iodine number of about 100 cg/g; and which is capable of reacting with sulphur to form a sulphur-containing polymer; and B. natural or manufactured aggregates.
Claim 15
Dependent Claim
86 words
A sulphur concrete comprising: A. a sulphur cement composition comprising a. sulphur, b. a viscosity increasing surface active finely divided particulate stabilizer, and c. up to about 10 parts by weight of the total amount of sulphur of an olefinic hydrocarbon polymer material derived from petroleum and having a non-volatile content greater than about 50% by weight and a minimum Wijs iodine number of about 100 cg/g; and which is capable of reacting with sulphur to form a sulphur-containing polymer; and B. natural or manufactured aggregates.
Claim 16
Dependent Claim
26 words
The sulphur concrete of claim 13, wherein the ratio of B/A is from 20 - 64 of (B) to, correspondingly, from 80 - 36 of (A).
Claim 17
Dependent Claim
32 words
The sulphur concrete of claim 13, wherein in (A), the olefinic hydrocarbon polymer material (c) is present in the form of a sulphur-containing polymer provided by reacting sulphur with said olefinic hydrocarbon.
Claim 18
Dependent Claim
20 words
The sulphur concrete of claim 15, wherein in (A), the particulate stabilizer (b) is fly ash of minus 200 mesh.
Claim 19
Dependent Claim
39 words
The sulphur concrete of claim 14, wherein in (A), for each 100 parts by weight of (a), there are about 10 to about 150 parts by weight of (b) and up to about 10 parts by weight of (c).
Claim 20
Dependent Claim
39 words
The sulphur concrete of claim 15, wherein in (A), for each 100 parts by weight of (a), there are about 10 to about 150 parts by weight of (b) and up to about 10 parts by weight of (c).
Claim 21
Dependent Claim
39 words
The sulphur concrete of claim 16, wherein in (A), for each 100 parts by weight of (a), there are about 10 to about 150 parts by weight of (b) and up to about 10 parts by weight of (c).
Claim 22
Dependent Claim
47 words
The sulphur concrete of claim 16, wherein in (A), for each 100 parts by weight of (a), there are about 10 to about 150 parts by weight of (b) and wherein the amount of (c) is about 1 to about 5% of the total sulphur by weight.
Claim 23
Dependent Claim
15 words
The sulphur concrete of claim 13, including in (A) an additive to provide fire resistance.
Claim 24
Dependent Claim
22 words
The sulphur concrete of claim 21, wherein the additive is the reaction product of diphenoxydithiophosphinie acid with sulphur and with α-methyl styrene.
Claim 25
Dependent Claim
76 words
A process for preparing a sulphur cement composition which comprises: prereacting an olefinic hydrocarbon polymer material derived from petroleum and having a non-volatile content greater than about 50% by weight and a minimum Wijs iodine number of about 100 cg/g with sulphur at a temperature not exceeding about 155° C.; then adding the sulphur-containing polymer to further molten sulphur; and finally adding sufficient finely divided particulate stabilizer thereto to provide a composition of the required consistency.
Claim 26
Dependent Claim
76 words
A process for preparing a sulphur cement composition which comprises: prereacting an olefinic hydrocarbon polymer material derived from petroleum and having a non-volatile content greater than about 50% by weight and a minimum Wijs iodine number of about 100 cg/g with sulphur at a temperature not exceeding about 155° C.; then adding the sulphur-containing polymer to further molten sulphur; and finally adding sufficient finely divided particulate stabilizer thereto to provide a composition of the required consistency.
Claim 27
Dependent Claim
22 words
The sulphur cement of claim 10, wherein the additive is the reaction product of diphenoxydithiophosphinic acid with sulphur and with α-methyl styrene.
References Cited (Backward Citations)
US2309692A
Cited
US3290266A
Cited
US3371072A
Cited
US3465064A
Cited
US3459717A
Cited
US3560451A
Cited
US3466179A
Cited
US3472811A
Cited
US3674525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-11-14 | 1981-05-16 | 1981-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-11-14 | 1985-05-16 | 1985-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-11-14 | 1989-05-16 | 1989-11-15 | $7700.00 | Window Closed / Lapsed |