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SUSPENSION OF SELF-BINDING PARTICLES OF PIGMENT DYE ON THE BASIS OF STARCH
专利权人:
ОМИА ИНТЕРНЭШНЛ АГ (CH)
发明人:
СЕНТИ-ВЕНК Армелль (CH),ГЕЙН Патрик А.К. (CH),ШЕЛЬКОПФ Йоахим (CH)
申请号:
RU2014150087
公开号:
RU2014150087A
申请日:
2013.04.29
申请国别(地区):
RU
年份:
2016
代理人:
摘要:
1. A method for producing self-binding particles of a pigment dye, comprising the following steps: a) preparing an aqueous suspension of a pigment substance; b) preparing at least one anionic and / or amphoteric starch; c) mixing the starch from step b) with an aqueous suspension of a pigment substance from step a), wherein said starch is added to said aqueous suspension of a pigment substance in an amount of from 0.5 to 20% by weight of the total weight of the dry pigment substance in the suspension; and d) combining the aqueous suspension of the pigment substance and starch from step c) by grinding so that the amount of free starch in the resulting suspension is less than 50 wt.% of the total amount of starch added in step c) and the surface charge of the pigment substance after step d) was neutral or anionic, with the grinding stage d) being carried out during and / or after carrying out stage c) at a temperature of 10 to 40 ° C. 2. The method of claim 1, wherein the suspension of pigment substance from step a) comprises a pigment substance selected from the group consisting of calcium carbonate, minerals containing calcium carbonate, fillers based on mixed carbonates or mixtures thereof, while containing calcium carbonate minerals, preferably include dolomite, and mixed carbonate-based fillers are preferably selected from calcium bound to magnesium, clay, talc, mixtures of talc-calcium carbonate, mixtures of calcium carbonate-kaolin, or mixtures of natural carbonate aluminum with aluminum hydroxide, mica, or with synthetic or natural fibers or jointly formed mineral structures, preferably jointly processed1. Способ получения самосвязывающихся частиц пигментного красителя, включающий следующие стадии:a) приготовление водной суспензии пигментного вещества;b) приготовление, по меньшей мере, одного анионного и/или амфотерного крахмала;c) смешивание крахмала со стадии b) с водной суспензией пигментного вещества со стадии a), при этом указанный крахмал добавляют к ука
来源网站:
中国工程科技知识中心
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