CN104194055A - Light aging prevention modified calcium carbonate packing and preparation method thereof - Google Patents
Light aging prevention modified calcium carbonate packing and preparation method thereof Download PDFInfo
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- CN104194055A CN104194055A CN201410366407.6A CN201410366407A CN104194055A CN 104194055 A CN104194055 A CN 104194055A CN 201410366407 A CN201410366407 A CN 201410366407A CN 104194055 A CN104194055 A CN 104194055A
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Abstract
The invention discloses light aging prevention modified calcium carbonate packing which is prepared from the following raw materials in parts by weight: 1-1.3 parts of simethicone, 2.5-4 parts of ferrocene, 0.2-0.3 part of sodium laurylsulfate, 1-2 parts of trisodium phosphate, 3-5 parts of graphite, 4-7 parts of zinc oxide, 1-2 parts of dioctyl sebacate, 1-1.5 parts of dioctyl phthalate, 1-2 parts of tribasic lead sulfate, 1-2 parts of dibasic lead phosphate, 2-3 parts of methyl methacrylate, 0.1-0.2 part of ammonium persulfate, 2-3 parts of polyethylene glycol dimetacrylate, 80-85 parts of light calcium carbonate, 13-16 parts of an additive and 120-140 parts of water. Due to adoption of dioctyl sebacate, dioctyl phthalate and methyl methacrylate, the light aging prevention modified calcium carbonate packing disclosed by the invention is uniform in surface modification, high in organic degree, solid in calcium carbonate combination and good in reinforcement property; due to adoption of ferrocene graphite and zinc oxide, the light aging prevention of PVC is improved; due to adoption of the additive, the wettability of calcium carbonate in PVC is improved, and the defects of PVC are reduced.
Description
Technical field
The invention belongs to field of plastics processing, particularly a kind of anti-light aging modified calcium carbonate filler and preparation method thereof.
Background technology
Calcium carbonate is a kind of mineral filler being widely used, may be used in plastics, rubber item, coating, sizing agent etc., light calcium carbonate particularly, stability to PVC plastics size has great role, the hardness of goods can be improved, surface luster and the profile pattern of goods can also be improved.In general PVC plastics, adding calcium carbonate thermotolerance can improve, and because calcium carbonate whiteness is more than 90%, can also replaces expensive white pigment and play certain whitening effect.But the wetting ability of calcium carbonate is strong, if do not carry out surface modification, poor with the consistency of polymeric matrix in the course of processing of polymer product, be very easy to reunite, even because reunite, form textural defect, so calcium carbonate particles in being applied to polymer materials before, must be to its modifying surface, complete by wetting ability to oil loving suitable transformation.
At present, the surface modification of calcium carbonate is mainly contained to two approach both at home and abroad, 1. make fine particles or ultra micro refinement; 2. improve the surface property of calcium carbonate, it is changed to Organic by inorganic nature, improve the consistency with organic polymer.Yet the calcium carbonate of miniaturization is easily reunited, and cannot change the performance of its surface hydrophilic oleophobic.The surface modification of calcium carbonate comprises local reaction modification and surface coating modification, the modes such as high energy surface modification and mechanochemical modification, but PVC plastics industry is rapid at present, people constantly increase the demand of matrix material, calcium carbonate surface modifying has become one of deep process technology, thereby further improve a series of performances such as oil absorbency, dispersiveness, dimensional stability, thermotolerance, wear resistance, water tolerance, flame retardant resistance, mildew resistance of calcium carbonate, to meet the PVC plastics industry of continuous progress.
Summary of the invention
The object of the present invention is to provide a kind of anti-light aging modified calcium carbonate filler and preparation method thereof, the calcium carbonate surface modifying of this filler is even, and organic degree is high, is combined firmly with calcium carbonate, and reinforcing property can increase the anti-light aging of PVC well.
Technical scheme of the present invention is as follows:
An anti-light aging modified calcium carbonate filler, is characterized in that being made by the raw material of following weight part: dimethyl silicone oil 1-1.3, ferrocene 2.5-4, sodium laurylsulfate 0.2-0.3, trisodium phosphate 1-2, graphite 3-5, zinc oxide 4-7, dioctyl sebacate 1-2, dioctyl phthalate (DOP) 1-1.5, tribasic lead sulfate 1-2, dibasic lead phosphite 1-2, methyl methacrylate 2-3, ammonium persulphate 0.1-0.2, polyethylene glycol dimethacrylate 2-3, light calcium carbonate 80-85, auxiliary agent 13-16, water 120-140;
Described auxiliary agent is made by the raw material of following weight part: sodium stearate 0.04-0.06, sodium carbonate 0.01-0.03, sodium bicarbonate 0.02-0.03, benzene emulsion 0.4-0.5, dioctyl maleate 2-3, polyolefin elastomer 0.1-0.2, ethylene-vinyl acetate copolymer 0.1-0.2, carclazyte 3-5, cocoanut fatty acid diethanolamide 0.01-0.02, E-12 epoxy resin 0.1-0.2, glycol ether 0.2-0.3, Ethylene glycol dimethacrylate 0.3-0.4, spherex 0.4-0.6, water 8-11, preparation method is: polyolefin elastomer, ethylene-vinyl acetate copolymer, dioctyl maleate, E-12 epoxy resin, glycol ether, Ethylene glycol dimethacrylate are mixed, stir, make recombiner, benzene emulsion, sodium stearate, sodium carbonate, sodium bicarbonate, cocoanut fatty acid diethanolamide are added to the water, be heated to 60-70 ℃, stir, add carclazyte, spherex, stir 20-30 minute, ovendry power is broken into carclazyte powder, then adds recombiner, dispersion grinding 20-30 minute, standing under room temperature, slowly infiltrate into described carclazyte powder surface to recombiner, redispersion grinds to form the particle of 2-50 μ m, obtains.
The preparation method of described anti-light aging modified calcium carbonate filler, is characterized in that comprising the following steps:
(1) sodium laurylsulfate, dimethyl silicone oil, trisodium phosphate are added to the water, after stirring, add light calcium carbonate, graphite, ferrocene, zinc oxide, under 3000-4000 rev/min, stir 6-8 minute, obtain mixture;
(2) polyethylene glycol dimethacrylate, methyl methacrylate, ammonium persulphate are joined in the material that (1) step obtains, be heated to 80-90 ℃, under 9000-12000 rev/min, stir 30-40 minute, obtain mixture;
(3) other remaining component mixed grindings are disperseed to 15-20 minute, add in the mixture that (2) step obtains, be heated to 80-90 ℃, under 1000-1500 rev/min, stir 30-40 minute, spraying is dry, is ground into the particle of 2-50 μ m, obtains.
Beneficial effect of the present invention
Filler of the present invention is by being used dioctyl sebacate, dioctyl phthalate (DOP), methyl methacrylate, and surface modification is even, and organic degree is high, is combined firmly with calcium carbonate, and reinforcing property is good; By using ferrocene graphite, zinc oxide, can increase the anti-light aging of PVC; Auxiliary agent of the present invention can increase the wetting property of calcium carbonate in PVC, has reduced the defect of PVC.
Embodiment
An anti-light aging modified calcium carbonate filler, by following weight part (kilogram) raw material make: dimethyl silicone oil 1.2, ferrocene 3, sodium laurylsulfate 0.3, trisodium phosphate 1.5, graphite 4, zinc oxide 5, dioctyl sebacate 1.5, dioctyl phthalate (DOP) 1.3, tribasic lead sulfate 1.5, dibasic lead phosphite 1.5, methyl methacrylate 2.5, ammonium persulphate 0.1, polyethylene glycol dimethacrylate 2.5, light calcium carbonate 83, auxiliary agent 15, water 130;
Described auxiliary agent by following weight part (kilogram) raw material make: sodium stearate 0.05, sodium carbonate 0.02, sodium bicarbonate 0.02, benzene emulsion 0.4, dioctyl maleate 2.5, polyolefin elastomer 0.1, ethylene-vinyl acetate copolymer 0.1, carclazyte 4, cocoanut fatty acid diethanolamide 0.01, E-12 epoxy resin 0.1, glycol ether 0.2, Ethylene glycol dimethacrylate 0.3, spherex 0.5, water 9; Preparation method is: polyolefin elastomer, ethylene-vinyl acetate copolymer, dioctyl maleate, E-12 epoxy resin, glycol ether, Ethylene glycol dimethacrylate are mixed, stir, make recombiner; Benzene emulsion, sodium stearate, sodium carbonate, sodium bicarbonate, cocoanut fatty acid diethanolamide are added to the water, be heated to 65 ℃, stir, add carclazyte, spherex, stir 25 minutes, ovendry power is broken into carclazyte powder, then adds recombiner, dispersion grinding 25 minutes, standing under room temperature, slowly infiltrate into described carclazyte powder surface to recombiner, redispersion grinds to form the particle of 2-50 μ m, obtains.
The preparation method of described anti-light aging modified calcium carbonate filler, comprises the following steps:
(1) sodium laurylsulfate, dimethyl silicone oil, trisodium phosphate are added to the water, after stirring, add light calcium carbonate, graphite, ferrocene, zinc oxide, under 3500 revs/min, stir 7 minutes, obtain mixture;
(2) polyethylene glycol dimethacrylate, methyl methacrylate, ammonium persulphate are joined in the material that (1) step obtains, be heated to 85 ℃, under 10000 revs/min, stir 35 minutes, obtain mixture;
(3) other remaining component mixed grindings are disperseed 18 minutes, add in the mixture that (2) step obtains, be heated to 85 ℃, stir 35 minutes under 1300 revs/min, spraying is dry, is ground into the particle of 2-50 μ m, obtains.
Experimental data:
The oil-absorption(number) of the present embodiment filler is 36mL/100g, with the contact angle of water be 90 °.This filler is used for producing hard PVC test piece, and addition is 20%, and the performance test results is: yield strength 62.85Mpa, breaking tenacity is 49.48Mpa, elongation at break 105%, Young's modulus 2705.48Mpa.
This filler is used for producing flexible PVC test piece, and addition is 20%, and the performance test results is: yield strength 6.07Mpa, breaking tenacity is 7.47Mpa, elongation at break 115%, Young's modulus 63.87Mpa.
Can find out the PVC excellent material performance that this filler obtains.
Claims (2)
1. an anti-light aging modified calcium carbonate filler, is characterized in that being made by the raw material of following weight part: dimethyl silicone oil 1-1.3, ferrocene 2.5-4, sodium laurylsulfate 0.2-0.3, trisodium phosphate 1-2, graphite 3-5, zinc oxide 4-7, dioctyl sebacate 1-2, dioctyl phthalate (DOP) 1-1.5, tribasic lead sulfate 1-2, dibasic lead phosphite 1-2, methyl methacrylate 2-3, ammonium persulphate 0.1-0.2, polyethylene glycol dimethacrylate 2-3, light calcium carbonate 80-85, auxiliary agent 13-16, water 120-140;
Described auxiliary agent is made by the raw material of following weight part: sodium stearate 0.04-0.06, sodium carbonate 0.01-0.03, sodium bicarbonate 0.02-0.03, benzene emulsion 0.4-0.5, dioctyl maleate 2-3, polyolefin elastomer 0.1-0.2, ethylene-vinyl acetate copolymer 0.1-0.2, carclazyte 3-5, cocoanut fatty acid diethanolamide 0.01-0.02, E-12 epoxy resin 0.1-0.2, glycol ether 0.2-0.3, Ethylene glycol dimethacrylate 0.3-0.4, spherex 0.4-0.6, water 8-11, preparation method is: polyolefin elastomer, ethylene-vinyl acetate copolymer, dioctyl maleate, E-12 epoxy resin, glycol ether, Ethylene glycol dimethacrylate are mixed, stir, make recombiner, benzene emulsion, sodium stearate, sodium carbonate, sodium bicarbonate, cocoanut fatty acid diethanolamide are added to the water, be heated to 60-70 ℃, stir, add carclazyte, spherex, stir 20-30 minute, ovendry power is broken into carclazyte powder, then adds recombiner, dispersion grinding 20-30 minute, standing under room temperature, slowly infiltrate into described carclazyte powder surface to recombiner, redispersion grinds to form the particle of 2-50 μ m, obtains.
2. the preparation method of anti-light aging modified calcium carbonate filler according to claim 1, is characterized in that comprising the following steps:
(1) sodium laurylsulfate, dimethyl silicone oil, trisodium phosphate are added to the water, after stirring, add light calcium carbonate, graphite, ferrocene, zinc oxide, under 3000-4000 rev/min, stir 6-8 minute, obtain mixture;
(2) polyethylene glycol dimethacrylate, methyl methacrylate, ammonium persulphate are joined in the material that (1) step obtains, be heated to 80-90 ℃, under 9000-12000 rev/min, stir 30-40 minute, obtain mixture;
(3) other remaining component mixed grindings are disperseed to 15-20 minute, add in the mixture that (2) step obtains, be heated to 80-90 ℃, under 1000-1500 rev/min, stir 30-40 minute, spraying is dry, is ground into the particle of 2-50 μ m, obtains.
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| CN201410366407.6A CN104194055A (en) | 2014-07-29 | 2014-07-29 | Light aging prevention modified calcium carbonate packing and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105111789A (en) * | 2015-08-11 | 2015-12-02 | 陈传松 | Modified calcium carbonate with good electrical conductivity and preparation method therefor |
| CN105384999A (en) * | 2015-12-29 | 2016-03-09 | 李栋军 | Anti-aging addition agent for polyolefin |
| CN105419040A (en) * | 2015-12-29 | 2016-03-23 | 王丽萍 | High-efficiency anti-aging auxiliary agent for polyolefin |
| CN105482215A (en) * | 2015-12-29 | 2016-04-13 | 王璐 | High-stability anti-aging additive used for polyolefin |
| CN106674608A (en) * | 2016-12-16 | 2017-05-17 | 安徽北马科技有限公司 | Anti-photoaging bismaleic-polyimide-modified calcium carbonate filler |
| CN107936400A (en) * | 2017-12-22 | 2018-04-20 | 贺州市星辉科技有限公司 | A kind of function pearl filler and preparation method thereof |
-
2014
- 2014-07-29 CN CN201410366407.6A patent/CN104194055A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105111789A (en) * | 2015-08-11 | 2015-12-02 | 陈传松 | Modified calcium carbonate with good electrical conductivity and preparation method therefor |
| CN105384999A (en) * | 2015-12-29 | 2016-03-09 | 李栋军 | Anti-aging addition agent for polyolefin |
| CN105419040A (en) * | 2015-12-29 | 2016-03-23 | 王丽萍 | High-efficiency anti-aging auxiliary agent for polyolefin |
| CN105482215A (en) * | 2015-12-29 | 2016-04-13 | 王璐 | High-stability anti-aging additive used for polyolefin |
| CN106674608A (en) * | 2016-12-16 | 2017-05-17 | 安徽北马科技有限公司 | Anti-photoaging bismaleic-polyimide-modified calcium carbonate filler |
| CN107936400A (en) * | 2017-12-22 | 2018-04-20 | 贺州市星辉科技有限公司 | A kind of function pearl filler and preparation method thereof |
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