CN104910420A - Impact resistant active calcium carbonate containing acidified carbide slag powder - Google Patents
Impact resistant active calcium carbonate containing acidified carbide slag powder Download PDFInfo
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- CN104910420A CN104910420A CN201510269837.0A CN201510269837A CN104910420A CN 104910420 A CN104910420 A CN 104910420A CN 201510269837 A CN201510269837 A CN 201510269837A CN 104910420 A CN104910420 A CN 104910420A
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- calcium carbonate
- slag
- carbide slag
- deionized water
- stearic acid
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Abstract
The invention discloses an impact resistant active calcium carbonate containing acidified carbide slag powder. The impact resistant active calcium carbonate containing acidified carbide slag powder is prepared from the following raw materials by weight part: 90-110 of calcium carbonate, 1-2 of ammonium molybdate, 2-5 of lecithin, 1-2 of ammonium chloride, 1-2 of liquid paraffin, 0.2-0.4 of aluminium potassium sulfate, 0.5-0.8 of dimethyl isophthalate, 1-2 of nano attapulgite, 3-4 of carbide slag powder, 4-7 of stearic acid, 3-5 of oxidized polyethylene wax, 1-2 of antioxidant 168, and a proper amount of deionized water.
Description
Technical field
The present invention relates to calcium carbonate field, is exactly a kind of shock resistance activated Calcium carbonate containing acidifying calcium carbide ground-slag.
Background technology
Activated Calcium carbonate take calcium carbonate as base-material, adopts polyfunctional surfactant and composite efficient processing aid, carry out modified active process form inorganic powder surface.Calcium carbonate powder after modification, surface forms a kind of special cladding structure, significantly can improve the dispersiveness in the polymer matrixs such as polyolefine and affinity, and produce interface interaction between energy and polymer matrix, thus improve the resistance to impact shock of goods, be a kind of incremental filling additive of excellent property.
Summary of the invention
The object of the present invention is to provide a kind of shock resistance activated Calcium carbonate containing acidifying calcium carbide ground-slag.
Above-mentioned purpose is realized by following scheme:
A kind of shock resistance activated Calcium carbonate containing acidifying calcium carbide ground-slag, it is characterized in that: it is obtained by the raw material of following weight parts: calcium carbonate 90-110, ammonium molybdate 1-2, Yelkin TTS 2-5, ammonium chloride 1-2, whiteruss 1-2, potassium aluminium sulfate 0.2-0.4, dimethyl isophthalate 0.5-0.8, nano-attapulgite 1-2, calcium carbide ground-slag 3-4, stearic acid 4-7, oxidized polyethlene wax 3-5, irgasfos 168 1-2, deionized water are appropriate.
Described a kind of shock resistance activated Calcium carbonate containing acidifying calcium carbide ground-slag, is characterized in that: preparation method comprises the following steps:
(1) calcium carbonate is added after in homogenizer, then add oxidized polyethlene wax, irgasfos 168, Yelkin TTS, stir at 70-90 DEG C under 500-600rpm, obtain modified calcium carbonate for subsequent use;
(2) by carbide slag in concentration be 3-5% hydrochloric acid in soak 2-4 hour, take out, deionized water wash post-drying, join again in appropriate amount of deionized water, after stirring at 40-45 DEG C, again potassium aluminium sulfate, dimethyl isophthalate, nano-attapulgite are added wherein, stir at 45-50 DEG C, obtain combination solution;
(3) modified calcium carbonate and combination solution are mixed, ball milling mixes and obtains mixed slurry, adds all the other raw materials except stearic acid, reacts 30-40min at 40-48 DEG C;
(4) the reacted slurry of step (3) gained leaves standstill 5-8h, dry 4-7 hour at 50-70 DEG C, after vacuum-drying at 80-100 DEG C, obtain compound calcium carbonate powder;
(5) step (4) gained compound calcium carbonate powder is placed on rotary drum, preheating 10-20min at 40-50 rev/min lower 40-50 DEG C, again stearic acid is heated to 70-80 DEG C, atomization, evenly be sprayed on compound calcium carbonate powder, at 30-50 DEG C, 30-40 rev/min is stirred 30-35min, after stopping operating, and standing 20-30min and get final product.
Beneficial effect of the present invention is:
(1) the present invention adopts carbide slag composite, turns waste into wealth, and increases the intensity of calcium carbonate, first acidifying is carried out to carbide slag simultaneously, modification sterilization can well be carried out to carbide slag, carbide slag surface is modified, with calcium carbonate and all the other raw materials, there is good consistency;
(2) the present invention is dispersed by adding dispersion agent, effectively prevents the autohemagglutination of miniaturization particle, increases its consistency in plastics, rubber and dispersiveness;
(3) the present invention adopts the mode of atomizing spray to make use of stearic acid cmpletely, adopts vacuum drying method, makes to avoid compound powder secondary agglomeration;
(4) product application that obtains of the present invention is in PVC plastic, because the properties-correcting agent of its surface chemistry bonding and PVC plastic have excellent compatibility, show strong interior lubrication, thus weaken the intermolecular reactive force of PVC, system rheological performance is changed, can extruded velocity be improved, make the smooth exquisiteness of products appearance; Also illustrate under equal conditions, modified calcium carbonate can increase loading level, also can reach well cost-saving effect simultaneously.
Embodiment
A kind of shock resistance activated Calcium carbonate containing acidifying calcium carbide ground-slag, it is obtained by the raw material of following weight (kg): calcium carbonate 90, ammonium molybdate 1, Yelkin TTS 5, ammonium chloride 1, whiteruss 2, potassium aluminium sulfate 0.4, dimethyl isophthalate 0.5, nano-attapulgite 1, calcium carbide ground-slag 3, stearic acid 7, oxidized polyethlene wax 5, irgasfos 168 2, deionized water are appropriate.
Described a kind of shock resistance activated Calcium carbonate containing acidifying calcium carbide ground-slag, preparation method comprises the following steps:
(1) calcium carbonate is added after in homogenizer, then add oxidized polyethlene wax, irgasfos 168, Yelkin TTS, stir at 500rpm is lower 90 DEG C, obtain modified calcium carbonate for subsequent use;
(2) by carbide slag in concentration be 5% hydrochloric acid in soak 4 hours, take out, deionized water wash post-drying, join again in appropriate amount of deionized water, after stirring at 40 DEG C, again potassium aluminium sulfate, dimethyl isophthalate, nano-attapulgite are added wherein, stir at 45 DEG C, obtain combination solution;
(3) modified calcium carbonate and combination solution are mixed, ball milling mixes and obtains mixed slurry, adds all the other raw materials except stearic acid, reacts 40min at 40 DEG C;
(4) the reacted slurry of step (3) gained leaves standstill 5h, at 50 DEG C dry 7 hours, after vacuum-drying at 80 DEG C, obtain compound calcium carbonate powder;
(5) step (4) gained compound calcium carbonate powder is placed on rotary drum, preheating 10min at 40 revs/min lower 40 DEG C, then stearic acid is heated to 80 DEG C, atomization, is evenly sprayed on compound calcium carbonate powder, and at 30 DEG C, 40 revs/min are stirred 35min, after stopping operating, standing 30min and get final product.
The activated Calcium carbonate of ordinary calcium carbonate and the present embodiment is pressed formula batch mixing respectively, and room temperature carries out rheological experiment at PLE331 type torque rheometer after placing 8h, and result is as shown in table 1:
Table 1 rheological experiment result
Title peak torque/N.m balancing torque/N.m fusion time/S melt temperature/DEG C
Common CaCO
337.4 25.0 150 187
Modification CaCO
333.4 20.1 113 183
Described material prescription is: PVC 100 parts, one package stabilizer 5 parts, KM355P 6 parts, common CaCO
3or the activated Calcium carbonate 20 parts of the present embodiment
As can be seen from table 1, add the activated Calcium carbonate of the present embodiment compared with ordinary calcium carbonate, moment of torsion reduces, fusion time obviously shortens, and melt temperature declines, and plasticizing rate accelerates, illustrate that activated Calcium carbonate and the PVC plastics Miscibility of the present embodiment are good, be conducive to processing.
Claims (2)
1. the shock resistance activated Calcium carbonate containing acidifying calcium carbide ground-slag, it is characterized in that: it is obtained by the raw material of following weight parts: calcium carbonate 90-110, ammonium molybdate 1-2, Yelkin TTS 2-5, ammonium chloride 1-2, whiteruss 1-2, potassium aluminium sulfate 0.2-0.4, dimethyl isophthalate 0.5-0.8, nano-attapulgite 1-2, calcium carbide ground-slag 3-4, stearic acid 4-7, oxidized polyethlene wax 3-5, irgasfos 168 1-2, deionized water are appropriate.
2. a kind of shock resistance activated Calcium carbonate containing acidifying calcium carbide ground-slag according to claim 1, is characterized in that: preparation method comprises the following steps:
(1) calcium carbonate is added after in homogenizer, then add oxidized polyethlene wax, irgasfos 168, Yelkin TTS, stir at 70-90 DEG C under 500-600rpm, obtain modified calcium carbonate for subsequent use;
(2) by carbide slag in concentration be 3-5% hydrochloric acid in soak 2-4 hour, take out, deionized water wash post-drying, join again in appropriate amount of deionized water, after stirring at 40-45 DEG C, again potassium aluminium sulfate, dimethyl isophthalate, nano-attapulgite are added wherein, stir at 45-50 DEG C, obtain combination solution;
(3) modified calcium carbonate and combination solution are mixed, ball milling mixes and obtains mixed slurry, adds all the other raw materials except stearic acid, reacts 30-40min at 40-48 DEG C;
(4) the reacted slurry of step (3) gained leaves standstill 5-8h, dry 4-7 hour at 50-70 DEG C, after vacuum-drying at 80-100 DEG C, obtain compound calcium carbonate powder;
(5) step (4) gained compound calcium carbonate powder is placed on rotary drum, preheating 10-20min at 40-50 rev/min lower 40-50 DEG C, again stearic acid is heated to 70-80 DEG C, atomization, evenly be sprayed on compound calcium carbonate powder, at 30-50 DEG C, 30-40 rev/min is stirred 30-35min, after stopping operating, and standing 20-30min and get final product.
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| CN201510269837.0A CN104910420A (en) | 2015-05-26 | 2015-05-26 | Impact resistant active calcium carbonate containing acidified carbide slag powder |
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| CN201510269837.0A CN104910420A (en) | 2015-05-26 | 2015-05-26 | Impact resistant active calcium carbonate containing acidified carbide slag powder |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580257A (en) * | 2009-04-08 | 2009-11-18 | 王嘉兴 | Method for preparing common active calcium carbonate series products and ammonium chloride by carbide slag |
| CN101580258A (en) * | 2009-04-08 | 2009-11-18 | 王嘉兴 | Method for preparing nano active calcium carbonate series products and ammonium chloride by carbide slag |
| CN102602973A (en) * | 2012-01-13 | 2012-07-25 | 中国中材国际工程股份有限公司 | Method for synthesizing ultrafine calcium carbonate by utilizing carbide slag |
| CN104229852A (en) * | 2014-09-12 | 2014-12-24 | 中国科学院过程工程研究所 | Surface modification method for fine calcium carbonate prepared by utilizing calcium carbide slag |
| CN104448514A (en) * | 2014-11-03 | 2015-03-25 | 重庆和泰塑胶股份有限公司 | Breathable resin with high breathability and preparation method of breathable resin |
-
2015
- 2015-05-26 CN CN201510269837.0A patent/CN104910420A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580257A (en) * | 2009-04-08 | 2009-11-18 | 王嘉兴 | Method for preparing common active calcium carbonate series products and ammonium chloride by carbide slag |
| CN101580258A (en) * | 2009-04-08 | 2009-11-18 | 王嘉兴 | Method for preparing nano active calcium carbonate series products and ammonium chloride by carbide slag |
| CN102602973A (en) * | 2012-01-13 | 2012-07-25 | 中国中材国际工程股份有限公司 | Method for synthesizing ultrafine calcium carbonate by utilizing carbide slag |
| CN104229852A (en) * | 2014-09-12 | 2014-12-24 | 中国科学院过程工程研究所 | Surface modification method for fine calcium carbonate prepared by utilizing calcium carbide slag |
| CN104448514A (en) * | 2014-11-03 | 2015-03-25 | 重庆和泰塑胶股份有限公司 | Breathable resin with high breathability and preparation method of breathable resin |
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Application publication date: 20150916 |
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