RU2000108442A - CALCIUM CARBONATE, COATED BY THE BIMOLECULAR LAYER, AND ALSO THE WAY OF ITS PRODUCTION - Google Patents

CALCIUM CARBONATE, COATED BY THE BIMOLECULAR LAYER, AND ALSO THE WAY OF ITS PRODUCTION

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Publication number
RU2000108442A
RU2000108442A RU2000108442/12A RU2000108442A RU2000108442A RU 2000108442 A RU2000108442 A RU 2000108442A RU 2000108442/12 A RU2000108442/12 A RU 2000108442/12A RU 2000108442 A RU2000108442 A RU 2000108442A RU 2000108442 A RU2000108442 A RU 2000108442A
Authority
RU
Russia
Prior art keywords
calcium carbonate
coating
bimolecular
coated
average particle
Prior art date
Application number
RU2000108442/12A
Other languages
Russian (ru)
Other versions
RU2200709C2 (en
Inventor
Кристоф НОФЕР
Хельмут ДИЛЛЕНБУРГ
Original Assignee
Солвей Сода Дойчланд Гмбх
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
Priority claimed from DE19738481A external-priority patent/DE19738481C2/en
Application filed by Солвей Сода Дойчланд Гмбх filed Critical Солвей Сода Дойчланд Гмбх
Publication of RU2000108442A publication Critical patent/RU2000108442A/en
Application granted granted Critical
Publication of RU2200709C2 publication Critical patent/RU2200709C2/en

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Claims (9)

1. Карбонат кальция с нанесенным в водных системах покрытием, отличающийся тем, что 20-60% поверхности кристаллов покрыты бимолекулярно в виде двойного слоя при условии, что карбонат кальция контактирует со средством для покрытия, взятом в количестве, определяемом в зависимости от среднего диаметра частиц карбоната кальция по уравнению
Средство для покрытия (г)= степень покрытия (г/м2)•(5,99/d•dp) (м2/г)CaCO3(г).1. Calcium carbonate coated in aqueous systems, characterized in that 20-60% of the surface of the crystals is coated bimolecularly in the form of a double layer, provided that calcium carbonate is in contact with the coating agent, taken in an amount determined depending on the average particle diameter calcium carbonate by the equation
Means for coating (g) = degree of coverage (g / m 2 ) • (5.99 / d • dp) (m 2 / g) CaCO 3 (g). 2. Способ управляемого бимолекулярного покрытия частиц карбоната кальция, отличающийся тем, что приводят в контакт с карбонатом кальция средство для покрытия, взятое в количестве, определяемом в зависимости от среднего диаметра частиц карбоната кальция по уравнению
Средство для покрытия (г)= степень покрытия (г/м2)•(5,99/d•dp) (м2/г)CaCO3(г).2. The method of controlled bimolecular coating of particles of calcium carbonate, characterized in that they bring into contact with calcium carbonate coating agent, taken in an amount determined depending on the average particle diameter of calcium carbonate according to the equation
Means for coating (g) = degree of coverage (g / m 2 ) • (5.99 / d • dp) (m 2 / g) CaCO 3 (g). 3. Способ бимолекулярного покрытия карбоната кальция по п. 2, отличающийся тем, что средство для покрытия в виде эмульсии вводят в суспензию карбоната кальция и эмульгируют или диспергируют с карбонатом кальция. 3. The method of bimolecular coating of calcium carbonate according to claim 2, characterized in that the coating agent in the form of an emulsion is introduced into a suspension of calcium carbonate and emulsified or dispersed with calcium carbonate. 4. Способ бимолекулярного покрытия карбоната кальция по пп. 2 и 3, отличающийся тем, что используют карбонат кальция со средним диаметром частиц максимально 50 мкм, предпочтительно менее 20 мкм. 4. The method of bimolecular coating of calcium carbonate according to claims. 2 and 3, characterized in that they use calcium carbonate with an average particle diameter of maximum 50 microns, preferably less than 20 microns. 5. Способ бимолекулярного покрытия карбоната кальция по пп. 2-4, отличающийся тем, что используют карбонат кальция со средним диаметром частиц от 0,005 до 5 мкм, предпочтительно от 0,01 до 1 мкм. 5. The method of bimolecular coating of calcium carbonate according to claims. 2-4, characterized in that they use calcium carbonate with an average particle diameter of from 0.005 to 5 μm, preferably from 0.01 to 1 μm. 6. Способ бимолекулярного покрытия карбоната кальция по пп. 2-5, отличающийся тем, что в качестве средства для покрытия используют вещества, которые удерживаются на частицах карбоната кальция благодаря воздействию поверхности. 6. The method of bimolecular coating of calcium carbonate according to claims. 2-5, characterized in that as a means for coating use substances that are retained on particles of calcium carbonate due to the action of the surface. 7. Способ бимолекулярного покрытия карбоната кальция по пп. 2-6, отличающийся тем, что в качестве средства для покрытия используют насыщенные и/или ненасыщенные карбоновые кислоты с длиной цепи С-С32, предпочтительно С14-С22, например, жирные кислоты, замещенные жирные кислоты, их соли или спирты жирного ряда.7. The method of bimolecular coating of calcium carbonate according to claims. 2-6, characterized in that as a means for coating using saturated and / or unsaturated carboxylic acids with a chain length of C 32 , preferably C 14 -C 22 , for example, fatty acids, substituted fatty acids, their salts or fatty alcohols row. 8. Карбонат кальция с нанесенным покрытием, полученный по способу по пп. 2-7, в качестве функционального наполнителя для полимеров, полимерных смесей, бумаги или красок. 8. Coated calcium carbonate obtained by the method according to PP. 2-7, as a functional filler for polymers, polymer blends, paper or paints. 9. Карбонат кальция с нанесенным покрытием, полученный по способу по пп. 2-7, в качестве функционального наполнителя для пластмасс, покрывных масс, уплотнительных масс или печатных красок. 9. Coated calcium carbonate obtained by the method according to PP. 2-7, as a functional filler for plastics, coating materials, sealants or printing inks.
RU2000108442/12A 1997-09-03 1998-08-21 Calcium carbonate covered with bimolecular layer and method of preparation thereof RU2200709C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19738481A DE19738481C2 (en) 1997-09-03 1997-09-03 Calcium carbonate coated in aqueous systems with surface-active substances and process for the controlled bimolecular coating of calcium carbonate ponds
DE19738481.1 1997-09-03

Publications (2)

Publication Number Publication Date
RU2000108442A true RU2000108442A (en) 2002-02-20
RU2200709C2 RU2200709C2 (en) 2003-03-20

Family

ID=7841060

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2000108442/12A RU2200709C2 (en) 1997-09-03 1998-08-21 Calcium carbonate covered with bimolecular layer and method of preparation thereof

Country Status (10)

Country Link
US (1) US6342100B1 (en)
EP (1) EP1009779B1 (en)
JP (1) JP2001514321A (en)
AT (1) ATE212654T1 (en)
DE (2) DE19738481C2 (en)
DK (1) DK1009779T3 (en)
ES (1) ES2167941T3 (en)
PL (1) PL188668B1 (en)
RU (1) RU2200709C2 (en)
WO (1) WO1999011721A1 (en)

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