GB810005A - New and improved process of dispersing pigments in liquid media and/or reducing the particle size of pigments - Google Patents

New and improved process of dispersing pigments in liquid media and/or reducing the particle size of pigments

Info

Publication number
GB810005A
GB810005A GB1026656A GB1026656A GB810005A GB 810005 A GB810005 A GB 810005A GB 1026656 A GB1026656 A GB 1026656A GB 1026656 A GB1026656 A GB 1026656A GB 810005 A GB810005 A GB 810005A
Authority
GB
United Kingdom
Prior art keywords
pigments
screen
resins
modified
plasticisers
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
GB1026656A
Inventor
Seymore Hochberg
David Gray Bosse
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Priority to GB1026656A priority Critical patent/GB810005A/en
Publication of GB810005A publication Critical patent/GB810005A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
    • C09B67/0084—Dispersions of dyes
    • C09B67/0091—Process features in the making of dispersions, e.g. ultrasonics

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

<PICT:0810005/III/1> An apparatus for continuous dispersion of pigments in film-forming media by agitation in the presence of sand comprises a vertical hollow cylindrical vessel 1 having a slurry inlet at or near the bottom and a screen 5 at or near the top, a shaft 2 having means for rotation thereon extending downwardly in the vessel, and a plurality of spoked annular impellers 3 attached to the shaft. The cylinder is filled with sand of 20 to 40 mesh up to the level of the screen, and a slurry of the pigment and medium pumped continuously upwards by pump 17. The dispersion is collected at outlet 8. An outer jacket 11 which may be heated by water or steam is provided. Finer grinding may be obtained by re-circulating the effluent, by restricting the area of the screen, or by decreasing the feed and output rates. Pigments which may be so dispersed include titanium dioxide, carbon black, barytes, cadmium sulphide, Milori blue, and zinc oxide. Suitable vehicles include alkyd resins, modified or unmodified, raw and treated oils, oleo-resinous varnishes, natural and synthetic resins, oil-modified resins, cellulosic substances, nitrocellulose, butanol-modified urea-formaldehyde resin, silicone resins and emulsions of these substances and plasticisers. The apparatus may also be used for the production of fabric coating compositions of chlorosulphonated polyethylene, polyvinyl chloride and the like with solvents, plasticisers, modifiers and pigments.
GB1026656A 1956-04-04 1956-04-04 New and improved process of dispersing pigments in liquid media and/or reducing the particle size of pigments Expired GB810005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1026656A GB810005A (en) 1956-04-04 1956-04-04 New and improved process of dispersing pigments in liquid media and/or reducing the particle size of pigments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1026656A GB810005A (en) 1956-04-04 1956-04-04 New and improved process of dispersing pigments in liquid media and/or reducing the particle size of pigments

Publications (1)

Publication Number Publication Date
GB810005A true GB810005A (en) 1959-03-04

Family

ID=9964683

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1026656A Expired GB810005A (en) 1956-04-04 1956-04-04 New and improved process of dispersing pigments in liquid media and/or reducing the particle size of pigments

Country Status (1)

Country Link
GB (1) GB810005A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1160178B (en) * 1959-11-25 1963-12-27 Hoechst Ag Molding compounds made from polyolefins
CN107638914A (en) * 2017-08-08 2018-01-30 东莞市利腾达智能装备有限公司 It is a kind of to be dispersed with stirring device for wet grinding fine particle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1160178B (en) * 1959-11-25 1963-12-27 Hoechst Ag Molding compounds made from polyolefins
CN107638914A (en) * 2017-08-08 2018-01-30 东莞市利腾达智能装备有限公司 It is a kind of to be dispersed with stirring device for wet grinding fine particle

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