GB882534A - Method of conditioning organic pigments and the resultant product - Google Patents
Method of conditioning organic pigments and the resultant productInfo
- Publication number
- GB882534A GB882534A GB29423/59A GB2942359A GB882534A GB 882534 A GB882534 A GB 882534A GB 29423/59 A GB29423/59 A GB 29423/59A GB 2942359 A GB2942359 A GB 2942359A GB 882534 A GB882534 A GB 882534A
- Authority
- GB
- United Kingdom
- Prior art keywords
- grinding
- mixture
- water
- agent
- solid
- 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
Links
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
Organic pigments are conditioned by attrition grinding in a heavy duty masticator, a mixture of a crude dry organic pigment and an organic conditioning agent comprising a polyhydric alcohol or an ether, ester or chlorinated derivative thereof or mixtures thereof, the agent being liquid under the grinding conditions, having a solubility in water of at least 0.01% at 25 DEG C. and being present in an amount sufficient to convert the mixture into a discontinuous mass of tough, compacted, granular particles during grinding, adding water to the mixture to dissolve said agent and then separating the pigment from the resulting solution. The grinding mixture may also include a water-soluble, solid grinding acid such as an inorganic salt, urea or sugar, and insoluble, inert extenders or substrata for making extended colours or lakes. A large number of conditioning agents is specified including some which are solid at ordinary temperatures but which are molten at grinding temperatures or which may may be mixed with a small quantity of water. Examples are given.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US882534XA | 1958-12-08 | 1958-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB882534A true GB882534A (en) | 1961-11-15 |
Family
ID=22210283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB29423/59A Expired GB882534A (en) | 1958-12-08 | 1959-08-28 | Method of conditioning organic pigments and the resultant product |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB882534A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4541831A (en) * | 1979-06-04 | 1985-09-17 | Ciba-Geigy Corporation | Dustless, water-soluble, solid, dyestuff or optical brightener compositions and a process of production |
| WO2005017047A1 (en) * | 2003-08-15 | 2005-02-24 | Basf Aktiengesellschaft | Colouring preparations |
-
1959
- 1959-08-28 GB GB29423/59A patent/GB882534A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4541831A (en) * | 1979-06-04 | 1985-09-17 | Ciba-Geigy Corporation | Dustless, water-soluble, solid, dyestuff or optical brightener compositions and a process of production |
| WO2005017047A1 (en) * | 2003-08-15 | 2005-02-24 | Basf Aktiengesellschaft | Colouring preparations |
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