SU1326590A1 - Method of producing modified calcium carbonate - Google Patents
Method of producing modified calcium carbonate Download PDFInfo
- Publication number
- SU1326590A1 SU1326590A1 SU853890790A SU3890790A SU1326590A1 SU 1326590 A1 SU1326590 A1 SU 1326590A1 SU 853890790 A SU853890790 A SU 853890790A SU 3890790 A SU3890790 A SU 3890790A SU 1326590 A1 SU1326590 A1 SU 1326590A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- calcium carbonate
- grafting
- polymer
- degree
- producing modified
- Prior art date
Links
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical class [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 7
- 229920000642 polymer Polymers 0.000 claims abstract description 7
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 3
- 239000000725 suspension Substances 0.000 claims abstract description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract 2
- 238000010438 heat treatment Methods 0.000 claims 3
- -1 carboxylic acid compound Chemical class 0.000 claims 1
- 238000004821 distillation Methods 0.000 claims 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract description 6
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 abstract description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 abstract description 3
- 239000011976 maleic acid Substances 0.000 abstract description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 abstract description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract description 2
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 239000000945 filler Substances 0.000 description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
Landscapes
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
Изобретение относитс к технологии получени модифицированных карбонатных исполнителей и позвол ет повысить степень прививки полимера к поверхности модифицированного карбоната кальци .- Суспензию 250 г молотого мела в 500 мл 0,5%-ного раствора моноэфира малеиновой киср О лоты формулы H-0-(;-CH CH-l:;-OR где R - радикал, содержащий 1-20 атомов углерода в ацетоне, перемешивают в смесителе. По окончании перемешивани отгон ют растворитель, а остаток прогревают при 50 с, после чего смесь размалывают в шаровой мельнице . Полученньй наполнитель с содержанием модификатора 1% от массы карбоната кальци обеспечивает степень прививки полимера в процессе полимеризационного наполнени в количестве 12,4% в зависимости от вида радикала R (от массы карбоната кальци ). 1 з.п. ф-лы, 1 табл. 3 (ЛThe invention relates to the technology of producing modified carbonate agents and allows an increase in the degree of polymer grafting to the surface of modified calcium carbonate. A suspension of 250 g of ground chalk in 500 ml of a 0.5% aqueous solution of a monoether maleic acid. Lots of the formula H-0 - (; - CH CH-l:; - OR where R is a radical containing 1-20 carbon atoms in acetone is stirred in a mixer. After stirring, the solvent is distilled off, and the residue is heated at 50 s, after which the mixture is ground in a ball mill. with soder 1% by weight of calcium carbonate provides a degree of grafting of the polymer in the process of polymerization filling in the amount of 12.4% depending on the type of radical R (by weight of calcium carbonate). 1 Cp f-crystals, 1 table 3 (L
Description
Изпбрсте гие относитс к техиоло- I vtn получени модифицированных карбо натных наполнителей, используемых в полимерной и лакокрасочной нроъаш- ленности.The invention relates to the technical and vtn production of modified carbonate fillers used in polymeric and lacquer coating.
Цель изобретени - повышение сте- .нени прививки полимера к поверхности модифицированного карбоната кальци The purpose of the invention is to increase the grafting of the polymer to the surface of the modified calcium carbonate.
П.р и м е р, Суспенз1-по 250 г молотого мела (содержание карбоната кальци 97,8%) в 500 мл 0,5%-ного раствора моноэфира малеиновой кисло0 ОPr and meper, Suspension 1 - 250 g of ground chalk (calcium carbonate content 97.8%) in 500 ml of a 0.5% solution of the monoether maleic acid 0 O
ты формулы H-G-fi-CH CH-C-OCjHj в аце тоне перемешивают в смесителе. По окончании перемешивани отгон ют растворитель, а остаток прогревают при 50 С, после чего смесь размалывают в шаровой мельнице. Получают карбонат кальци , модифицированный моноэфиром малеиновой кислоты с содержанием модификатора 1% от массы карбоната кальци .Formulas H-G-fi-CH CH-C-OCjHj in an acetone are mixed in a mixer. After stirring, the solvent is distilled off, and the residue is heated at 50 ° C, after which the mixture is ground in a ball mill. Calcium carbonate modified with maleic acid monoester with a modifier content of 1% by weight of calcium carbonate is obtained.
Дл определени степени прививки полимера к поверхности частиц полученного наполнител провод т в его присутствии суспензионную полимеризацию метилметакрилата. Степень прививки полимера определ ют путем экстракции несв занного польшера ацетоном в приборе Сокслета с последующим анализом неэкстрагируемого остатка на содержание поли 1етилмет- акрилата.In order to determine the degree of grafting of the polymer to the surface of the particles of the resulting filler, the suspension polymerization of methyl methacrylate is carried out in its presence. The degree of grafting of the polymer is determined by extracting the unbound polser with acetone in a Soxhlet instrument, followed by analyzing the unextractable residue for poly (methyl methyl acrylate).
В таблице приведены данные по количеству привитого сополимера кThe table shows the data on the number of graft copolymer to
10ten
1515
модифицированному карбонату кальци но изобретенгте) и данные сравнительных примеров.modified calcium carbonate inventive) and data from comparative examples.
Изобретение позвол ет увеличить степень прививки полимера к наполнителю на основе молифицированного карбоната кальци в процессе полимеризационного наполнител в 4-6 раз. I The invention makes it possible to increase the degree of grafting of a polymer to a filler based on moliirovannogo calcium carbonate in the process of polymerization filler 4-6 times. I
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU853890790A SU1326590A1 (en) | 1985-04-25 | 1985-04-25 | Method of producing modified calcium carbonate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU853890790A SU1326590A1 (en) | 1985-04-25 | 1985-04-25 | Method of producing modified calcium carbonate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU1326590A1 true SU1326590A1 (en) | 1987-07-30 |
Family
ID=21175486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU853890790A SU1326590A1 (en) | 1985-04-25 | 1985-04-25 | Method of producing modified calcium carbonate |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU1326590A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2463325C2 (en) * | 2007-04-13 | 2012-10-10 | Омиа Девелопмент Аг | Method of preparing product from processed mineral filler, product obtained from mineral filler and use thereof |
| RU2535803C2 (en) * | 2010-05-28 | 2014-12-20 | Омиа Интернэшнл Аг | Method of obtaining superficially processed products of mineral fillers and their application |
-
1985
- 1985-04-25 SU SU853890790A patent/SU1326590A1/en active
Non-Patent Citations (1)
| Title |
|---|
| Авторское свидетельство СССР № 291875, кл. С 01 F П/18, 1979. Авторское свидетельство СССР № 1030387, кл. С 09 С 1/02// С 08 L 27/06, 1982. * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2463325C2 (en) * | 2007-04-13 | 2012-10-10 | Омиа Девелопмент Аг | Method of preparing product from processed mineral filler, product obtained from mineral filler and use thereof |
| US10131791B2 (en) | 2007-04-13 | 2018-11-20 | Omya International Ag | Process for the preparation of a treated mineral filler product, the obtained mineral filler product and its uses |
| RU2535803C2 (en) * | 2010-05-28 | 2014-12-20 | Омиа Интернэшнл Аг | Method of obtaining superficially processed products of mineral fillers and their application |
| US9139734B2 (en) | 2010-05-28 | 2015-09-22 | Omya International Ag | Process for the preparation of surface treated mineral filler products and uses of same |
| US9139735B2 (en) | 2010-05-28 | 2015-09-22 | Omya International Ag | Process for the preparation of surface treated mineral filler products and uses of same |
| US9212283B2 (en) | 2010-05-28 | 2015-12-15 | Omya International Ag | Process for the preparation of surface treated mineral filler products and uses of same |
| US9212284B2 (en) | 2010-05-28 | 2015-12-15 | Omya International Ag | Process for the preparation of surface treated mineral filler products and uses of same |
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