摘要:
The invention relates to a pigment granulate which contains 40 to 65% by weight of pigment and at least 10% by weight of a compound of general formula (I) CH3-(CH2)n-CH2-O-[(CH2)p-O]m-H, wherein n=8-18, p=1-4 and m=35-100, the weight ratio of the compound of general formula I to the pigment being = the STSA surface area of the pigment in m²/g multiplied by 0.0021 g/m² and the mass-weighted particle size of the pigment granulate being
摘要:
The present invention relates to a method of producing a granular formulation of colorants soluble in plastics, which method comprises suspending in water a filter cake obtained from preparation of the colorant, adding thereto from 0.1 to 5.0 % by weight, calculated with respect to the weight of colorant, of a polyvinylpyrrolidone or of a sodium lauryl sulfate and, where appropriate, further adjuvants, and then drying the aqueous suspension to form granu-les, to the granular formulations obtainable according to that method, and to the use thereof in the production of colored plastics or colored polymeric particles.
摘要:
The invention relates to the production of coloring agents which are soluble in water and in aqueous vehicles. The soluble coloring agents are, in particular, organic and are especially used in the food industry. The inventive coloring agents are characterized in that they are present in a solid form mixed with an effervescent agent in a binder which is essentially composed of polyethylene glycol wherein they are previously diluted at a temperature which is higher than the fusion temperature of said binder. Preferably, the method for the production of said coloring agents involves a dry mixture of two constituents introduced in a powdery form prior to the heating of said mixture, resulting in the fusion of the binder.
摘要:
The present invention relates to a coloured porous material comprising in its pores an effectively colouring amount of an organic pigment which is obtainable by fragmenting a meltable or solvent-soluble pigment precursor, and to a process for its preparation. The present invention also relates to the use of the instant coloured porous material powders as pigments for high molecular weight organic materials.
摘要:
The present invention concerns a process for preparing a treated blend which contains pigment material dispersed in a continuous phase of water and a polyester material. The invention also concerns compositions prepared from such process. The polyester material of the treated blend is linear, contains a sulfomonomer, and has an average particle size of less than 1 νm.
摘要:
This invention relates to non-bleeding, non-staining occult particles for use in granular or powdered laundry care compositions such as laundry detergents, laundry aids, and fabric care compositions. The occult particles are comprised of a clay carrier and a coloring agent and are characterized as being substantially indiscernible when contained in the laundry care composition.
摘要:
Method to produce a dye, which is suited to be applied on fabrics, starting from textile waste material, the method comprising the following steps: an initial step (10), during which textile waste material is provided, which comprise textile fibers, which were previously dyed; and a pulverization step (12), during which said textile fibers are pulverized to obtain the dye.
摘要:
The invention relates to a solid colorant comprising a. 30-97 wt% of a pigment b. less than 5 wt% of a solvent c. 3-40 wt% surfactants and wherein: The ratio S/A [Std dev of the particle size distribution / average particle size] of the solid colorant is
摘要:
Solid, low-dust pigment compositions are formed by mixing pigments with certain polymer stabilizers under conditions wherein the stabilizers are in a liquefied state. The pigment compositions are easily handled and have a high color yield when incorporated into polymer substrates. In many cases, the color development attained is not readily achievable using pigment compositions comprising conventional carriers.