GB699311A - A new or improved method of obtaining the dispersion of a finely divided solid material in a liquid - Google Patents

A new or improved method of obtaining the dispersion of a finely divided solid material in a liquid

Info

Publication number
GB699311A
GB699311A GB11280/50A GB1128050A GB699311A GB 699311 A GB699311 A GB 699311A GB 11280/50 A GB11280/50 A GB 11280/50A GB 1128050 A GB1128050 A GB 1128050A GB 699311 A GB699311 A GB 699311A
Authority
GB
United Kingdom
Prior art keywords
liquid
finely divided
carrier
dispersion
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB11280/50A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Postans Ltd
Original Assignee
Postans Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Postans Ltd filed Critical Postans Ltd
Priority to GB11280/50A priority Critical patent/GB699311A/en
Publication of GB699311A publication Critical patent/GB699311A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/10—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing sonic or ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/55—Mixing liquids with solids the mixture being submitted to electrical, sonic or similar energy
    • B01F23/551—Mixing liquids with solids the mixture being submitted to electrical, sonic or similar energy using vibrations

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

A method of obtaining the dispersion and "wetting" of a finely divided solid pigment material in a carrier liquid with the pigment particles in a "wetted" condition resides in adding the finely divided pigment material to a carrier liquid or to a carrier liquid mixture of low viscosity and preferably of a voltaile nature or vice versa and then subjecting the liquid or liquid mixture and the finely divided additive to the influence of ultrasonic vibrations. Finely powdered pigment is added to and/or admixed, with a relatively volatile carrier liquid of low viscosity such as white spirit or xylene. This mixture is then subjected to ultrasonic vibrations produced by a transducer of the magneto-striction type or by a Galton whistle whereby uniform dispersion of the pigment particles is obtained. The heat developed as a result of the ultrasonic vibrations may be utilized to evaporate part of the carrier liquid to produce a preparation having a desired solids concentration but should this heat be either insufficient or excessive then either supplemental heating may be applied or the excess heat may be dissipated. The preparation thus obtained may be stored and used subsequently for the manufacture of paints. The carrier may be a liquid mixture rich in a liquid of low viscosity. The invention may also be applied to the dispersion of finely divided pigment particles in a liquid carrier for the preparation of coloured plastics. Specification 693,329 is referred to.ALSO:A method of obtaining the dispersion and "wetting" of a finely divided solid pigment material in a carrier liquid with the pigment particles in a "wetted" condition resides in adding the finely divided pigment material to a carrier liquid or to a carrier liquid mixture of low viscosity and preferably of a volatile nature or vice versa and then subjecting the liquid or liquid mixture and the finely divided additive to the influence of ultrasonic vibrations. Finely powdered pigment is added to and/or admixed with a relatively volatile carrier liquid of low viscosity such as white spirit or xylene. This mixture is then subjected to ultrasonic vibrations produced by a transducer of the magneto-striction type or by a Galton whistle whereby uniform dispersion of the pigment particles is obtained. The heat developed as a result of the ultrasonic vibrations may be utilized to evaporate part of the carrier liquid to produce a preparation having a desired solids concentration but should this heat be either insufficient or excessive then either supplemental heating may be applied or the excess heat may be dissipated. The preparation thus obtained may be stored and used subsequently for the manufacture of paints. The carrier may be a liquid mixture rich in a liquid of low viscosity. The invention may also be applied to the dispersion of finely divided pigment particles in a liquid carrier for the preparation of coloured plastics. Specification 698,329, [Group III], is referred to.
GB11280/50A 1950-05-06 1950-05-06 A new or improved method of obtaining the dispersion of a finely divided solid material in a liquid Expired GB699311A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB11280/50A GB699311A (en) 1950-05-06 1950-05-06 A new or improved method of obtaining the dispersion of a finely divided solid material in a liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11280/50A GB699311A (en) 1950-05-06 1950-05-06 A new or improved method of obtaining the dispersion of a finely divided solid material in a liquid

Publications (1)

Publication Number Publication Date
GB699311A true GB699311A (en) 1953-11-04

Family

ID=9983309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11280/50A Expired GB699311A (en) 1950-05-06 1950-05-06 A new or improved method of obtaining the dispersion of a finely divided solid material in a liquid

Country Status (1)

Country Link
GB (1) GB699311A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0085138A2 (en) * 1982-01-28 1983-08-10 International Business Machines Corporation A method of forming a magnetic coating on a substrate
EP2015869A2 (en) * 2006-04-28 2009-01-21 Minus 100, LLC Method, system and apparatus for the deagglomeration and/or disaggregation of clustered materials

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0085138A2 (en) * 1982-01-28 1983-08-10 International Business Machines Corporation A method of forming a magnetic coating on a substrate
EP0085138A3 (en) * 1982-01-28 1984-12-19 International Business Machines Corporation A method of forming a magnetic coating on a substrate
EP2015869A2 (en) * 2006-04-28 2009-01-21 Minus 100, LLC Method, system and apparatus for the deagglomeration and/or disaggregation of clustered materials
EP2015869A4 (en) * 2006-04-28 2012-10-17 Minus 100 Llc Method, system and apparatus for the deagglomeration and/or disaggregation of clustered materials
US8376251B2 (en) 2006-04-28 2013-02-19 Minus 100, Llc Method, system and apparatus for the deagglomeration and/or disaggregation of clustered materials

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