GB847959A - Pigment compositions - Google Patents
Pigment compositionsInfo
- Publication number
- GB847959A GB847959A GB3384357A GB3384357A GB847959A GB 847959 A GB847959 A GB 847959A GB 3384357 A GB3384357 A GB 3384357A GB 3384357 A GB3384357 A GB 3384357A GB 847959 A GB847959 A GB 847959A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polyethylene terephthalate
- aqueous
- particles
- gravel
- pigment
- 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
- C09B67/006—Preparation of organic pigments
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Coloring (AREA)
- Artificial Filaments (AREA)
Abstract
A stable pigment dispersion is made by milling together, in the presence of an aqueous liquid, a coloured or fluorescent pigment and a synthetic linear polyester in the form of fine particles. The polyester particles are preferably those of polyethylene terephthalate having a particle size of 5-100 microns and made by the process of Specification 830,372. The Specifications contain long lists of inorganic and organic pigments and fluorescent pigments and these may be used in admixture with a white pigment (e.g. titanium dioxide) or an extender, (e.g. barium sulphate). The aqueous liquid is preferably just water but may be an aqueous solution of alcohol, acetone or urea. Dispersion is preferably effected by gravel milling the ingredients followed by sieving to remove the gravel. The pigment dispersions are especially useful for the mass colouration of linear polyesters or polyamides but may also be used, in the form of an aqueous paste to coat paper, card or textiles. In examples (1) and (18) an aqueous paste of polyethyleneterephthalate particles is gravel milled with copper phthalocyanine in the presence of water, and after sieving, the dispersion is dried, ground to a fine powder and mixed with polyethylene terephthalate chips which are afterwards melt spun into fibres or injection moulded; (2)-(15) An aqueous paste of polyethylene terephthalate particles is gravel milled in the presence of water with various pigments and the resulting aqueous dispersions mixed with polyethylene terephthalate or polyhexamethylene adipamide chips which are thereafter dried and melt spun; (16) and (17) Aqueous dispersions of polyethylene terephthalate particles and various pigments are mixed with casein size and the compositions brushed on to a card or sprayed or printed on to paper. Specifications 313,094, 436,957, 698,200, 705,928, 797,046, 799,352 and 799,607 also are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3384357A GB847959A (en) | 1957-10-30 | 1957-10-30 | Pigment compositions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3384357A GB847959A (en) | 1957-10-30 | 1957-10-30 | Pigment compositions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB847959A true GB847959A (en) | 1960-09-14 |
Family
ID=10358164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3384357A Expired GB847959A (en) | 1957-10-30 | 1957-10-30 | Pigment compositions |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB847959A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4294749A (en) | 1978-01-13 | 1981-10-13 | Hoechst Aktiengesellschaft | Process for the coloration of thermoplastic polymers and polycondensates in the mass with water-insoluble disazo-methine compounds |
| CN114958030A (en) * | 2022-06-30 | 2022-08-30 | 宇虹颜料股份有限公司 | Preparation method of superfine pigment preparation for coloring polyester |
-
1957
- 1957-10-30 GB GB3384357A patent/GB847959A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4294749A (en) | 1978-01-13 | 1981-10-13 | Hoechst Aktiengesellschaft | Process for the coloration of thermoplastic polymers and polycondensates in the mass with water-insoluble disazo-methine compounds |
| DE2801288C2 (en) * | 1978-01-13 | 1985-06-20 | Hoechst Ag, 6230 Frankfurt | Use of water-insoluble diazomethine compounds for dyeing thermoplastic polyesters in bulk and in spin dyeing of thermoplastic polyesters |
| CN114958030A (en) * | 2022-06-30 | 2022-08-30 | 宇虹颜料股份有限公司 | Preparation method of superfine pigment preparation for coloring polyester |
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