US1450685A - Bituminous emulsion and process of making same - Google Patents

Bituminous emulsion and process of making same Download PDF

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Publication number
US1450685A
US1450685A US582316A US58231622A US1450685A US 1450685 A US1450685 A US 1450685A US 582316 A US582316 A US 582316A US 58231622 A US58231622 A US 58231622A US 1450685 A US1450685 A US 1450685A
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United States
Prior art keywords
asphalt
emulsion
making same
sulphite liquor
bituminous emulsion
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Expired - Lifetime
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US582316A
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Kirschbraun Lester
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Individual
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Priority to US582316A priority Critical patent/US1450685A/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
    • C08L95/005—Aqueous compositions, e.g. emulsions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S106/00—Compositions: coating or plastic
    • Y10S106/04—Bentonite

Definitions

  • the invention relates to improvements in bituminous emulsions and process of making same and refers more particularly to that type of emulsion which is miscible in water.
  • This invention may be carried out as follows: I take sulphite liquor, preferably concentrated, which, as is well known, is a relatively thick syrupy mass. This sulphite liquor is then heated to about the temperature of the bituminous composition with which it is mixed. To this heated sulphite liquor, I add bituminous material in liquid condition, as for example, asphalt of a melting point of 150 degs. F., heated so that it is in fluid condition. The sulphite liquor will be heated to the temperature at which the asphalt melts, which would be, of course, considerably above the so-called boiling point of the asphalt.
  • the sulphite liquor While the asphalt is being slowly added, the sulphite liquor is being constantly agitated so as to produce an emulsion in which the asphalt is in the dispersed phase. Water may be added from time to time to maintain the properconsist ency of the emulsion.
  • asphalt of 150 meltin point petroleum residuum may be use which is a thick liquid at normal temperatures or a particularly high melting point asphalt may be used or an asphalt having a higher melting point than 150 but below the boiling point of water, may be used. If a high melting point asphalt is desired to be emulsified the sulphite li nor may be maintained under a substantia pressure, so as to prevent the water from evaporating while the asphalt is being emulsified.
  • this product may be put is that of a dust layer and also as a road binder. Many other uses will occur to those skilled in the art.
  • the asphalt or other bitumen be of relatively low melting point so as to protect the sulphite liquor, as far as possible, from the action of rain, and assist in binding the particles or oad material together.
  • this emulsion is made, using harder asphalt, as for example, 160-180 melting point material, it has the property that upon drying, it does not become permanently coalesced so that it becomes possible, in such instances, to reemulsify or remix such dry products with water.
  • the foregoing product may also be suitable as a cement and is useful in making fabric cOres in which the various plies are pasted one upon the other.
  • An emulsion consisting of sulphite liquor and bitumen, the bitumen being in dispersed phase.
  • An emulsion consisting of sulphite liquor, an earthy colloidal material and bitumen, said bitumen being in the dispersed phase.
  • An emulsion, non-coalescible on drying consisting of sulphite liquor, an earthy colloidal material, and a bitumen being in dispersed phase.
  • An emulsion, non-coalescible on drying consisting of sulphite liquor, and a bitumen being in dispersed phase.
  • a bituminized sulphite liquor in emulsion form capable of acting as a road binder.

Description

Patented Apr. 3, 1923.
STATES AT OFFICE.
BITUMINOUS EIVIULSION AND PROCESS OF MAKING- SAME.
No Drawing.
T 0 all. whom it may concern:
Be it known that I, LESTER KIRscHBRAUN, a citizen of the United-States, residing in the city of Chicago, county of Cook, and State of Illinois, have invented certain new and useful Improvements in Bituminous Emulsions and Processes of Making Same, of which the following is a specification.
The invention relates to improvements in bituminous emulsions and process of making same and refers more particularly to that type of emulsion which is miscible in water.
This invention may be carried out as follows: I take sulphite liquor, preferably concentrated, which, as is well known, is a relatively thick syrupy mass. This sulphite liquor is then heated to about the temperature of the bituminous composition with which it is mixed. To this heated sulphite liquor, I add bituminous material in liquid condition, as for example, asphalt of a melting point of 150 degs. F., heated so that it is in fluid condition. The sulphite liquor will be heated to the temperature at which the asphalt melts, which would be, of course, considerably above the so-called boiling point of the asphalt. While the asphalt is being slowly added, the sulphite liquor is being constantly agitated so as to produce an emulsion in which the asphalt is in the dispersed phase. Water may be added from time to time to maintain the properconsist ency of the emulsion.
Instead of using asphalt of 150 meltin point, petroleum residuum may be use which is a thick liquid at normal temperatures or a particularly high melting point asphalt may be used or an asphalt having a higher melting point than 150 but below the boiling point of water, may be used. If a high melting point asphalt is desired to be emulsified the sulphite li nor may be maintained under a substantia pressure, so as to prevent the water from evaporating while the asphalt is being emulsified.
An invention may be carried out in the manner above described, except that there may be mixed withthe sulphite liquor, ben- Application filed August 16, 1922. Serial No. 582,316.
tonite or highly colloidal clay so that they both act as an emulsifying agent.
One use to which this product may be put is that of a dust layer and also as a road binder. Many other uses will occur to those skilled in the art. When this material is used for road purposes, it is desirable that the asphalt or other bitumen be of relatively low melting point so as to protect the sulphite liquor, as far as possible, from the action of rain, and assist in binding the particles or oad material together. When this emulsion is made, using harder asphalt, as for example, 160-180 melting point material, it has the property that upon drying, it does not become permanently coalesced so that it becomes possible, in such instances, to reemulsify or remix such dry products with water.
The foregoing product may also be suitable as a cement and is useful in making fabric cOres in which the various plies are pasted one upon the other.
- Another advantage of using this material as a paste for paper products is that the broke or waste can be ground up and can be used in the beater for the reason that the asphalt, not being entirely coalesced, goes back into emulsion form.
I claim as my invention:
1. An emulsion consisting of sulphite liquor and bitumen, the bitumen being in dispersed phase.
2. An emulsion consisting of sulphite liquor, an earthy colloidal material and bitumen, said bitumen being in the dispersed phase.
3. An emulsion, non-coalescible on drying, consisting of sulphite liquor, an earthy colloidal material, and a bitumen being in dispersed phase.
,4. An emulsion, non-coalescible on drying, consisting of sulphite liquor, and a bitumen being in dispersed phase.
5. A bituminized sulphite liquor in emulsion form, capable of acting as a road binder.
6. A bituminized sulphite liquor in emulsion form.
. LESTER KIRSCHBRAUN.
US582316A 1922-08-16 1922-08-16 Bituminous emulsion and process of making same Expired - Lifetime US1450685A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476845A (en) * 1946-06-07 1949-07-19 Shell Dev Fluid for drilling wells
US2789097A (en) * 1952-12-17 1957-04-16 George W Rappleyea Bituminous emulsions and process for making same
US5236624A (en) * 1987-03-16 1993-08-17 Exxon Chemical Patents Inc. Dispersions and emulsions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476845A (en) * 1946-06-07 1949-07-19 Shell Dev Fluid for drilling wells
US2789097A (en) * 1952-12-17 1957-04-16 George W Rappleyea Bituminous emulsions and process for making same
US5236624A (en) * 1987-03-16 1993-08-17 Exxon Chemical Patents Inc. Dispersions and emulsions

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