SU1198001A1 - Method of producing hydrophobic calcium carbonate for filling polyvinyl chloride compositions - Google Patents
Method of producing hydrophobic calcium carbonate for filling polyvinyl chloride compositions Download PDFInfo
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- SU1198001A1 SU1198001A1 SU833677673A SU3677673A SU1198001A1 SU 1198001 A1 SU1198001 A1 SU 1198001A1 SU 833677673 A SU833677673 A SU 833677673A SU 3677673 A SU3677673 A SU 3677673A SU 1198001 A1 SU1198001 A1 SU 1198001A1
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Abstract
СПОСОБ ПОЛУЧЕНИЯ ГВДРОФОБНОГО КАРБОНАТА КАЛЬЦИЯ ДЛЯ НАПОЛНЕНИЯ ПОПИВИНИПХЛОРИДНЫХ КОМПОЗИЦИЙ, включакщий обработку его водной суспензии жирными кислотами в количестве 3,5-5,0 мас.% при нагревании , отделение из суспензии обработанного продукта и сушку его, о тличающийс тем, что, с целью улучшени электроизол ционных и реологических свойств и повышени термостабильности указанных композиций при повышенной степени наполнени их целевым продуктом, в жирных кислотах предварительно раствор ют дифенилолпропан в количестве 0,050 ,5 мас.% от массы карбоната кальци . О)A METHOD FOR OBTAINING CALCIUM HYDROPHOBIC CARBONATE FOR FILLING POPIVIVINIPHLORIDE COMPOSITIONS, including the treatment of its aqueous suspension with fatty acids in the amount of 3.5-5.0 wt.% When heated, separating it from the suspension of the processed product and drying it, because it was a drawing, as a design, it was a design to dissolve from the suspension of the processed product. electrical insulation and rheological properties and improving the thermal stability of these compositions with an increased degree of filling them with the target product, diphenylolpropane is pre-dissolved in fatty acids in an amount of 0.050, 5 wt.% m mass of calcium carbonate. ABOUT)
Description
:о эо Изобретение относитс к технологии получени модифицированного гид рофобного карбоната кальци (ГКК), .предназначенного дл использовани качестве наполнител материалов на основе поливинилхпорида (ПВХ), и может быть использовано в произво стве оболочек проводов, кабелей и других электроизол ционньпс материалов в электротехнической промышленности . - . . Цель изобретени - улучшение электроизол ционных и реологических свойств и повышение термостабильнос ти пластикатов на основе ПВХ при . повышенной степени наполнени его гидрофобным ка рбонатом кальци . Данное из.обретение позвол ет улучшить электроизол ционные и реол гические свойства пластикатов .на основе ПВХ за счет увеличени относительного удельного объемного элек рического сопротивлени пластиката в 7,5-37 раз и снижени в зкости его в 1,15-1,88раз и повышени тер мостабильности при увеличении степени наполнени пластиката до 400 мае.ч. на 100 . ПВХ,при указанных показател х улучшени свойств пластиката.. Пример. Синтетические жирные кислоты (СЖК) фракции , вз тые в количестве 4 мас.% от веса карбоната кальци , нагревают до пла лени (60-80с). В полученньй распл ввод т дифенилолпропан (ДФП) в коли честве 0,3 мас.% от веса карбоната кальци и перемешивают смесь в течение 15 мин до полного растворени ДФП. Смесь СЖК иДФП ввод т в предварительно нагретую до 95% ВОДНУЮ суспензию, содержащую 150 г/л карбо ната кальци со среднимразмером частиц 2-6 мкм. Суспензию перемешивают 30 мин и затем фильтруют. Отдельный продукт сушат при 100 С. Приготовл ют поливинилхлоридную композицию (ПВ:ХК), содержащую на 100 мае.ч. ПВХ 100 мае.ч. гидрофобного карбоната кальци , полученного Bbmie, 50 мае.ч. диоктилсебацирната и 5 мае.ч. трехосновногосульфата свинца. . Данна наполненна ПВХК по сравнению с ненаполненной (без ГКК) имеет следующие показатели удельного объемного электрического сопротивлени О , в зкости расплава и термостабильность в относительных единицах: р, / Ро 11,7; ft, / f 1,15 2,00, где р, fft, и „ - показатели наполненной, а Ь„, 2ц кК показатели ненаполненной ПВХК. Необходимость и достаточность количества ДФП в СЖ по данному изобретению определ етс тем, что при О,05 мас.% имеет место ухудшение указанных свойств ПВХК. При увеличении ДФП 5- 0,5 мае. % существенного улучшени указанных показателей по сравнению с введенным ДФП по изобретению не происходит при одинаковом уровне наполнени . i Также не дает ул5гчшени свойств ПВХК увеличение или уменьшение колгичества жирной кислоты за пределами 3,5-5 мас.% к ГКК. При этом при снижении СЖК «i 3,5% наблюдаетс существенное уменьшение Ро о / CQ и увеличение в зкости ПВХК. ,В присутствии свободного ДФП в пределах предусматриваемых изобретением не достигаетс достаточной совместимости ГКК с ПВХ. В таблице-представлены данные по относительным показател м /), К к н ПВХК с использованием ГКК по данному изобретению при различных его содержании и СЖ при различной степени наполнени ПВХК. Как следует из таблицы, ПВХК имеет достаточно высокую степень наполне ни при улучшенных свойствах р t и в пределах подержани ДФП по данному изобретению.The invention relates to the technology of producing modified hydrophobic calcium carbonate (HCC), intended for use as a filler material based on polyvinyl chloride (PVC), and can be used in the manufacture of sheaths of wires, cables and other electrical insulation materials in the electrical industry . -. . The purpose of the invention is to improve the electrical insulation and rheological properties and increase the thermal stability of PVC-based plastic compounds at. increased degree of its filling with hydrophobic calcium carbonate. This invention allows to improve the electrical insulating and rheological properties of plastic compounds based on PVC by increasing the relative specific volume electrical resistance of plastic material by 7.5-37 times and reducing its viscosity by 1.15-1.88 times and increasing ter of stability with increasing the degree of filling of plastic to 400 wt.h. by 100. PVC, at the indicated indices of improving the properties of plastic. Example. Synthetic fatty acids (FFA) fractions, taken in an amount of 4 wt.% By weight of calcium carbonate, are heated to melting (60-80 s). Diphenylolpropane (DFP) is added to the resulting melt in an amount of 0.3 wt.% Based on the weight of calcium carbonate and the mixture is stirred for 15 minutes until complete dissolution of the DFP. A mixture of FFA and IDPA was introduced into a pre-heated 95% WATER slurry containing 150 g / l calcium carbonate with an average particle size of 2-6 microns. The suspension is stirred for 30 minutes and then filtered. A separate product is dried at 100 C. A polyvinyl chloride composition (PV: HC) is prepared, containing per 100 wt. PVC 100 mach. hydrophobic calcium carbonate, obtained by Bbmie, 50 wt.h. dioctyl sebacirnata and 5 ma.h. tribasic sulfate lead. . Compared to unfilled (without HKK), this filled PVCK has the following indicators of specific volume electrical resistance O, melt viscosity and thermal stability in relative units: p, / Ро 11.7; ft, / f 1.15 2.00, where p, fft, and „are the filled indicators, and b„, 2c kK are the indicators of unfilled PVCK. The necessity and sufficiency of the amount of DFP in the LF according to this invention is determined by the fact that at O, 05 wt.% There is a deterioration of the specified properties of PVC. With an increase in the TPA 5 - 0.5 May. % significant improvement of these indicators compared with the introduced TPA according to the invention does not occur at the same filling level. i Also does not give the best properties of PVCK, an increase or decrease in the quantity of fatty acid beyond 3.5–5 wt.% to HCC. At the same time, with a reduction in fatty acid i of 3.5%, a significant decrease in Ro 0 / CQ and an increase in the viscosity of PVCK are observed. In the presence of free DFP, within the limits provided by the invention, there is not enough compatibility between the HKG and PVC. The table presents data on the relative indices m /), K to n PVCK using the GC of the present invention at different contents and LF at different degrees of filling of the PVCC. As follows from the table, PVCK has a sufficiently high degree of complete with improved properties of p t and within the range of maintenance of the TPA according to this invention.
4,04.0
0,030.03
0,050.05
4,04.0
100100
6,5 1,306.5 1.30
2,002.00
7,5 1,757.5 1.75
100100
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Application Number | Priority Date | Filing Date | Title |
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SU833677673A SU1198001A1 (en) | 1983-12-15 | 1983-12-15 | Method of producing hydrophobic calcium carbonate for filling polyvinyl chloride compositions |
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SU833677673A SU1198001A1 (en) | 1983-12-15 | 1983-12-15 | Method of producing hydrophobic calcium carbonate for filling polyvinyl chloride compositions |
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SU1198001A1 true SU1198001A1 (en) | 1985-12-15 |
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SU833677673A SU1198001A1 (en) | 1983-12-15 | 1983-12-15 | Method of producing hydrophobic calcium carbonate for filling polyvinyl chloride compositions |
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Cited By (5)
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 |
RU2519037C2 (en) * | 2009-06-15 | 2014-06-10 | Омиа Интернэшнл Аг | Production of calcium carbonate with surface subjected to reactive processing and it application |
RU2520452C2 (en) * | 2009-06-15 | 2014-06-27 | Омиа Интернэшнл Аг | Method of obtaining calcium carbonate with surface subjected to reaction processing, with application of weak acid, final products and their application |
RU2535803C2 (en) * | 2010-05-28 | 2014-12-20 | Омиа Интернэшнл Аг | Method of obtaining superficially processed products of mineral fillers and their application |
US9574088B2 (en) | 2005-07-25 | 2017-02-21 | Omya International Ag | Process to disperse and / or grind and / or concentrate calcium carbonate in aqueous media using an aqueous solution containing zirconium compounds |
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1983
- 1983-12-15 SU SU833677673A patent/SU1198001A1/en active
Non-Patent Citations (1)
Title |
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За вка FR № 2480771, кл. С 09 С 1/02, 1981. Авторское свидетельство СССР № 1030388 , кл. С 09 С 1/02, 1982. * |
Cited By (14)
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US9617430B2 (en) | 2005-07-25 | 2017-04-11 | Omya International Ag | Process to disperse and/or grind and/or concentrate calcium carbonate in aqueous media using an aqueous solution containing zirconium compounds |
US9574088B2 (en) | 2005-07-25 | 2017-02-21 | Omya International Ag | Process to disperse and / or grind and / or concentrate calcium carbonate in aqueous media using an aqueous solution containing zirconium compounds |
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 |
US9234102B2 (en) | 2009-06-15 | 2016-01-12 | Omya International Ag | Process to prepare a surface-reacted calcium carbonate implementing a weak acid, resulting products and uses thereof |
RU2519037C2 (en) * | 2009-06-15 | 2014-06-10 | Омиа Интернэшнл Аг | Production of calcium carbonate with surface subjected to reactive processing and it application |
RU2520452C2 (en) * | 2009-06-15 | 2014-06-27 | Омиа Интернэшнл Аг | Method of obtaining calcium carbonate with surface subjected to reaction processing, with application of weak acid, final products and their application |
US9096761B2 (en) | 2009-06-15 | 2015-08-04 | Omya International Ag | Process to prepare a surface-reacted calcium carbonate implementing a weak acid, resulting product and uses thereof |
US9593244B2 (en) | 2009-06-15 | 2017-03-14 | Omya International Ag | Process to prepare a surface-reacted calcium carbonate implementing a weak acid, resulting products and uses thereof |
RU2535803C2 (en) * | 2010-05-28 | 2014-12-20 | Омиа Интернэшнл Аг | Method of obtaining superficially processed products of mineral fillers and their application |
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 |
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 |
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 |
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