CN104177657A - Mildewproof light calcium carbonate filler and preparation method thereof - Google Patents
Mildewproof light calcium carbonate filler and preparation method thereof Download PDFInfo
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- CN104177657A CN104177657A CN201410366017.9A CN201410366017A CN104177657A CN 104177657 A CN104177657 A CN 104177657A CN 201410366017 A CN201410366017 A CN 201410366017A CN 104177657 A CN104177657 A CN 104177657A
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Abstract
The invention relates to mildewproof light calcium carbonate filler which is prepared from the following raw materials in parts by weight: 1-2 parts of p-hydroxycinnamic acid, 2-3 parts of zinc oleate, 2-3 parts of oil-based hydroxyethyl imidazoline, 4-6 parts of chromium carbide, 1-1.3 parts of tebuconazole, 4-6 parts of acetylferrocene, 0.6-0.8 part of lauryl methacrylate, 1-2 parts of molecular sieves, 2-2.4 parts of silane coupling agents, 0.6-0.8 part of beta-cyclodextrine, 80-85 parts of light calcium carbonate, 13-16 parts of auxiliary agents and 120-140 parts of water. The mildewproof light calcium carbonate filler disclosed by the invention is modified through combination with a coupling agent and a surface active agent, has the advantages of uniformity in surface modification, good reinforcing property and few defects of PVC, is favorable to uniform dispersion of organic molecules by firmly adsorbing the organic molecules through the addition of the molecular sieves and can enhance the heat resistance and abrasion resistance of the PVC through the addition of the chromium carbide and enhance the mildewproof property of the PVC through the addition of the tebuconazole; the auxiliary agents can enhance the wettability of the calcium carbonate in the PVC, so that the detects of the PVC are decreased.
Description
Technical field
The invention belongs to field of plastics processing, particularly a kind of mildew-resistant light 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., particularly light calcium carbonate, 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 form textural defect because reunite, so calcium carbonate particles, must be to its modifying surface before being applied in polymer materials, 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.But the calcium carbonate of miniaturization easily reunites, 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 the 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 mildew-resistant light calcium carbonate filler and preparation method thereof, this stuffing surface modification is even, and reinforcing property is good, and PVC defect is few, can increase the heat-resisting and wear resistance of PVC, can increase the fungicidal properties of PVC.
Technical scheme of the present invention is as follows:
A kind of mildew-resistant light calcium carbonate filler, is characterized in that being made up of the raw material of following weight part: p-Coumaric Acid 1-2, zinc oleate 2-3, oil base hydroxyethyl imidazole quinoline 2-3, chromium carbide 4-6, tebuconazole 1-1.3, ferrocenyl methyl ketone 4-6, lauryl methacrylate 0.6-0.8, molecular sieve 1-2, silane coupling agent 2-2.4, cycloheptaamylose 0.6-0.8, light calcium carbonate 80-85, auxiliary agent 13-16, water 120-140;
Described auxiliary agent is made up of 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 DEG C, stir, add carclazyte, spherex, stir 20-30 minute, ovendry power is broken into carclazyte powder, then adds recombiner, dispersion grinding 20-30 minute, under room temperature, leave standstill, slowly infiltrate into described carclazyte powder surface to recombiner, redispersion grinds to form the particle of 2-50 μ m, to obtain final product.
The preparation method of described mildew-resistant light calcium carbonate filler, is characterized in that comprising the following steps:
(1) lauryl methacrylate is added to the water, after stirring, adds light calcium carbonate, ferrocenyl methyl ketone, chromium carbide, under 3000-4000 rev/min, stir 6-8 minute, obtain mixture;
(2) silane coupling agent, cycloheptaamylose are joined in the material that (1) step obtains, be heated to 80-90 DEG C, under 7000-8000 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 DEG C, under 1000-1500 rev/min, stir 30-40 minute, spraying is dry, is ground into the particle of 2-50 μ m, to obtain final product.
Beneficial effect of the present invention
Filler of the present invention is in conjunction with coupling agent and surfactant-modified, and surface modification is even, and reinforcing property is good, and PVC defect is few; By adding molecular sieve, to organic molecule absorption firmly, be uniformly dispersed to being conducive to organic molecule; By adding chromium carbide, can increase the heat-resisting and wear resistance of PVC; By adding tebuconazole, can increase the fungicidal properties 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
A kind of mildew-resistant light calcium carbonate filler, by following weight part (kilogram) raw material make: p-Coumaric Acid 1.5, zinc oleate 2.5, oil base hydroxyethyl imidazole quinoline 2.5, chromium carbide 5, tebuconazole 1.1, ferrocenyl methyl ketone 5, lauryl methacrylate 0.7, molecular sieve 1.5, silane coupling agent 2.2, cycloheptaamylose 0.7, 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 DEG C, stir, add carclazyte, spherex, stir 25 minutes, ovendry power is broken into carclazyte powder, then adds recombiner, dispersion grinding 25 minutes, under room temperature, leave standstill, slowly infiltrate into described carclazyte powder surface to recombiner, redispersion grinds to form the particle of 2-50 μ m, to obtain final product.
The preparation method of described mildew-resistant light calcium carbonate filler, comprises the following steps:
(1) lauryl methacrylate is added to the water, after stirring, adds light calcium carbonate, ferrocenyl methyl ketone, chromium carbide, under 3500 revs/min, stir 7 minutes, obtain mixture;
(2) silane coupling agent, cycloheptaamylose are joined in the material that (1) step obtains, be heated to 85 DEG C, under 7500 revs/min, stir 35 minutes, obtain mixture;
(3) other remaining component mixed grindings are disperseed 17 minutes, add in the mixture that (2) step obtains, be heated to 85 DEG C, stir 35 minutes under 1300 revs/min, spraying is dry, is ground into the particle of 2-50 μ m, to obtain final product.
Experimental data:
The oil-absorption(number) of the present embodiment filler is 33mL/100g, with the contact angle of water be 98 °.This filler is used for producing hard PVC test piece, and addition is 20%, and the performance test results is: yield strength 55.56Mpa, breaking tenacity is 44.86Mpa, elongation at break 105%, Young's modulus 2645.36Mpa.
This filler is used for producing flexible PVC test piece, and addition is 20%, and the performance test results is: yield strength 5.56Mpa, breaking tenacity is 6.24Mpa, elongation at break 111%, Young's modulus 64.67Mpa.
Claims (2)
1. a mildew-resistant light calcium carbonate filler, is characterized in that being made up of the raw material of following weight part: p-Coumaric Acid 1-2, zinc oleate 2-3, oil base hydroxyethyl imidazole quinoline 2-3, chromium carbide 4-6, tebuconazole 1-1.3, ferrocenyl methyl ketone 4-6, lauryl methacrylate 0.6-0.8, molecular sieve 1-2, silane coupling agent 2-2.4, cycloheptaamylose 0.6-0.8, light calcium carbonate 80-85, auxiliary agent 13-16, water 120-140;
Described auxiliary agent is made up of 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 DEG C, stir, add carclazyte, spherex, stir 20-30 minute, ovendry power is broken into carclazyte powder, then adds recombiner, dispersion grinding 20-30 minute, under room temperature, leave standstill, slowly infiltrate into described carclazyte powder surface to recombiner, redispersion grinds to form the particle of 2-50 μ m, to obtain final product.
2. the preparation method of mildew-resistant light calcium carbonate filler according to claim 1, is characterized in that comprising the following steps:
(1) lauryl methacrylate is added to the water, after stirring, adds light calcium carbonate, ferrocenyl methyl ketone, chromium carbide, under 3000-4000 rev/min, stir 6-8 minute, obtain mixture;
(2) silane coupling agent, cycloheptaamylose are joined in the material that (1) step obtains, be heated to 80-90 DEG C, under 7000-8000 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 DEG C, under 1000-1500 rev/min, stir 30-40 minute, spraying is dry, is ground into the particle of 2-50 μ m, to obtain final product.
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| CN201410366017.9A CN104177657A (en) | 2014-07-29 | 2014-07-29 | Mildewproof light calcium carbonate filler and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221293A (en) * | 2016-08-05 | 2016-12-14 | 中玺新材料（安徽）有限公司 | A kind of mildew-resistant composite calcium carbonate and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538390A (en) * | 2009-04-17 | 2009-09-23 | 安徽纵横高科电缆股份有限公司 | Ethyl-propylene insulating material for cable resisting temperature of 140 DEG C |
| CN103509229A (en) * | 2013-10-12 | 2014-01-15 | 绿宝电缆（集团）有限公司 | Irradiation crosslinking low-smoke halogen-free flame-retardant polyolefin cable material for photovoltaic cables |
| CN103923399A (en) * | 2013-12-26 | 2014-07-16 | 安徽华菱电缆集团有限公司 | Flame retardant ethylene propylene insulation rubber of cables for ships |
-
2014
- 2014-07-29 CN CN201410366017.9A patent/CN104177657A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538390A (en) * | 2009-04-17 | 2009-09-23 | 安徽纵横高科电缆股份有限公司 | Ethyl-propylene insulating material for cable resisting temperature of 140 DEG C |
| CN103509229A (en) * | 2013-10-12 | 2014-01-15 | 绿宝电缆（集团）有限公司 | Irradiation crosslinking low-smoke halogen-free flame-retardant polyolefin cable material for photovoltaic cables |
| CN103923399A (en) * | 2013-12-26 | 2014-07-16 | 安徽华菱电缆集团有限公司 | Flame retardant ethylene propylene insulation rubber of cables for ships |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221293A (en) * | 2016-08-05 | 2016-12-14 | 中玺新材料（安徽）有限公司 | A kind of mildew-resistant composite calcium carbonate and preparation method thereof |
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