CN105111500A - Modified calcium carbonate for uvioresistant cable material and preparation method thereof - Google Patents
Modified calcium carbonate for uvioresistant cable material and preparation method thereof Download PDFInfo
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- CN105111500A CN105111500A CN201510515165.7A CN201510515165A CN105111500A CN 105111500 A CN105111500 A CN 105111500A CN 201510515165 A CN201510515165 A CN 201510515165A CN 105111500 A CN105111500 A CN 105111500A
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Abstract
The invention discloses modified calcium carbonate for an uvioresistant cable material and a preparation method thereof. The modified calcium carbonate is characterized by being prepared from, by weight, 100-150 parts of calcium carbonate, 30-50 parts of sodium oleate, 0.3-0.7 part of sodium dodecyl benzene sulfonate, 1-3 parts of sodium bicarbonate, 4-8 parts of styrene, 0.02-0.05 part of potassium persulfate, 3-5 parts of gas phase silica, 2-3 parts of organic bentonite, 2-4 parts of emulsified paraffin, 2-4 parts of carbon nano powder, 2-3 parts of sodium lignosulphonate and an appropriate amount of deionized water. The added carbon nano powder, the added sodium lignosulphonate and the added emulsified paraffin improve the dispersibility of calcium carbonate powder, and the modified calcium carbonate is good in fluidity and excellent in uvioresistant performance and can prolong the service life of the cable material when serving as the packing of the cable material. The preparation method is simple, raw material sources are wide, the cost is low, and the modified calcium carbonate has very good strengthening effect when serving as the packing of the cable material, and is worthy of popularization.
Description
Technical field
The present invention relates to industrial filler field, particularly a kind of anti-ultraviolet electric cable modified calcium carbonate and preparation method thereof.
Background technology
Calcium carbonate is as rubber, the filler of plastics, the thermotolerance of goods can be improved, wear resistance, dimensional stability, rigidity and workability, and reduce the cost of goods, but the hydroxyl that its surface has wetting ability stronger, present stronger alkalescence, the affinity of the calcium carbonate that this hydrophilic thin oil properties makes and organic polymer is poor, easy formation aggregate, part in superpolymer is caused to disperse uneven, thus cause boundary defect between bi-material, direct effect is bad, and calcium carbonate is as filler, its acid resistance, slickness, the performances such as whiteness need further raising, therefore, in order to improve the physicals of the strengthening action of calcium carbonate and dispersing property in the composite and modified calcium carbonate filled composite materials, be necessary to adopt different surface-modifying agents and treatment process to carry out surface modification to calcium carbonate powders, and then widen the Application Areas of calcium carbonate.
Polymer/inorganic particle matrix material is a kind of type material, which overcome simple inorganic particulate not easily to process, organic polymer intensity is lower, the shortcomings such as less stable, under synergistic effect, can obtain upgrading than inorganic particulate and organic polymer, more excellent performance, improve the stability of composite prod and the dispersiveness in organic phase, the performances such as physical strength, the present invention adopts polymer overmold modified calcium carbonate, solve the hydrophilic oleophobic of carbonic acid carbon, dispersed bad, free settling, physical strength is not high, the problems such as enhancement cannot be reached with polymer compatibility difference, improve the range of application of calcium carbonate.
Summary of the invention
The object of this invention is to provide a kind of anti-ultraviolet electric cable modified calcium carbonate and preparation method thereof.In order to realize object of the present invention, the present invention is by following scheme implementation:
A kind of anti-ultraviolet electric cable modified calcium carbonate and preparation method thereof, is made up of the raw material of following weight part: calcium carbonate 100-150, sodium oleate 30-50, Sodium dodecylbenzene sulfonate 0.3-0.7, sodium bicarbonate 1-3, vinylbenzene 4-8, Potassium Persulphate 0.02-0.05, aerosil 3-5, organobentonite 2-3, emulsified olefin 2-4, carbon nanopowder last 2-4, sodium lignosulfonate 2-3, deionized water are appropriate;
A kind of anti-ultraviolet electric cable modified calcium carbonate of the present invention and preparation method thereof, be made up of following concrete steps:
(1) sodium oleate is added the aqueous solution sodium oleate that deionized water dissolving makes 1%, electric stirring 10min raised temperature to 60 ° C, add calcium carbonate and stir 1.5h, stirred suction filtration after rear standing 4-6h, with deionized water wash, dry for standby under 80 ° of C in an oven;
(2) modified calcium carbonate obtained for step (1) is added in the four-necked bottle with driven stirring rod and reflux condensing tube, adding appropriate water stirring makes modified calcium carbonate become slurries, stirring is stopped to add Sodium dodecylbenzene sulfonate and sodium bicarbonate, vinylbenzene is added after stirring 0.5h in a nitrogen atmosphere, persulfate aqueous solution is dripped after mixture being warming up to 80 ° of C, constant temperature is centrifugal after keeping 80 ° of C8h, with dry under 80 ° of C in an oven after deionized water rinsing, after to be ground into 300-400 order for subsequent use;
(3) the methanol solution activation 0.5h of 3-5 times amount is added after organobentonite and aerosil being mixed, 5 μm are less than to particle diameter again at grinding machine for grinding 2-3h, add deionized water ultrasonic disperse more even, transfer in flask the product adding step (2) gained again, raised temperature is to 80-100 ° of C, the ultrasonic methyl alcohol that is back to volatilizees, and dries product;
(4) by remaining mixing of materials, stir when being heated to 40-60 ° of C, then the product adding step (3) gained is under the rotating speed of 1300-1500 rev/min, stirs 8-10min, naturally cool to room temperature after insulation 10-15min, grind to form nanometer powdery.
Advantage of the present invention is: the present invention's sodium oleate makes calcium carbonate surface organise as properties-correcting agent, calcium carbonate particles surface is made to have certain hydrophobicity, and double bond is introduced calcium carbonate surface, using modified calcium carbonate particle as seed, the method of letex polymerization has prepared polystyrene coated caco3 composite particles, enhance the consistency of calcium carbonate and polymkeric substance, and easily disperse, not easily reunite, physical strength is high, the present invention is also by aerosil and organobentonite activation aftertreatment modified calcium carbonate, silicon-dioxide is made to stick to the surface of calcium carbonate, not free settling, be uniformly dispersed, suspension stability is good, and further enhancing the oilness of calcium carbonate, water tolerance and high thermal resistance, calcium carbonate is had a wide range of applications in the industry, the carbon nanopowder end of adding, sodium lignosulfonate and emulsified olefin facilitate calcium carbonate powders dispersiveness, good fluidity, uvioresistant performance is good, filler as CABLE MATERIALS can extend its work-ing life, preparation technology of the present invention is simple, raw material sources are extensive, cost is low, filler as CABLE MATERIALS has good enhancement, be worthy to be popularized.
Specific embodiments
Below by specific examples, the present invention is described in detail.
A kind of anti-ultraviolet electric cable modified calcium carbonate and preparation method thereof, is made up of the raw material of following weight part (kilogram): calcium carbonate 150, sodium oleate 45, Sodium dodecylbenzene sulfonate 0.5, sodium bicarbonate 2, vinylbenzene 7, Potassium Persulphate 0.04, aerosil 5, organobentonite 2, emulsified olefin 2, carbon nanopowder end 4, sodium lignosulfonate 2, deionized water are appropriate;
A kind of anti-ultraviolet electric cable modified calcium carbonate of the present invention and preparation method thereof, be made up of following concrete steps:
(1) sodium oleate is added the aqueous solution sodium oleate that deionized water dissolving makes 1%, electric stirring 10min raised temperature to 60 ° C, add calcium carbonate and stir 1.5h, stirred suction filtration after rear standing 6h, with deionized water wash, dry for standby under 80 ° of C in an oven;
(2) modified calcium carbonate obtained for step (1) is added in the four-necked bottle with driven stirring rod and reflux condensing tube, adding appropriate water stirring makes modified calcium carbonate become slurries, stirring is stopped to add Sodium dodecylbenzene sulfonate and sodium bicarbonate, vinylbenzene is added after stirring 0.5h in a nitrogen atmosphere, persulfate aqueous solution is dripped after mixture being warming up to 80 ° of C, constant temperature is centrifugal after keeping 80 ° of C8h, with dry under 80 ° of C in an oven after deionized water rinsing, after to be ground into 400 orders for subsequent use;
(3) the methanol solution activation 0.5h of 5 times amount is added after organobentonite and aerosil being mixed, 5 μm are less than to particle diameter again at grinding machine for grinding 2h, add deionized water ultrasonic disperse more even, transfer in flask the product adding step (2) gained again, raised temperature to 100 ° C, the ultrasonic methyl alcohol that is back to volatilizees, and dries product;
(4) by remaining mixing of materials, stir when being heated to 50 ° of C, then the product adding step (3) gained is under the rotating speed of 1500 revs/min, stirs 8min, naturally cool to room temperature after insulation 10min, grind to form nanometer powdery.
The modified calcium carbonate produce the present invention and unmodified calcium carbonate performance compare, obtain modified calcium carbonate and reduce 53.8% than unmodified calcium carbonate oil-absorption(number), settling volume reduces 63.6%, viscosity reduces 58.2%, and tap density reduces 17.8%, and modified calcium carbonate oleophilic drainage is described, good with polymer compatibility, and tap density diminishes, illustrate that calcium carbonate dispersing property is good, not easily reunite.
Claims (2)
1. anti-ultraviolet electric cable modified calcium carbonate and preparation method thereof, it is characterized in that, be made up of the raw material of following weight part: calcium carbonate 100-150, sodium oleate 30-50, Sodium dodecylbenzene sulfonate 0.3-0.7, sodium bicarbonate 1-3, vinylbenzene 4-8, Potassium Persulphate 0.02-0.05, aerosil 3-5, organobentonite 2-3, emulsified olefin 2-4, carbon nanopowder end 2-4, sodium lignosulfonate 2-3, deionized water are appropriate.
2. a kind of anti-ultraviolet electric cable modified calcium carbonate and preparation method thereof according to claim 1, is characterized in that, be made up of following concrete steps:
(1) sodium oleate is added the aqueous solution sodium oleate that deionized water dissolving makes 1%, electric stirring 10min raised temperature to 60 ° C, add calcium carbonate and stir 1.5h, stirred suction filtration after rear standing 4-6h, with deionized water wash, dry for standby under 80 ° of C in an oven;
(2) modified calcium carbonate obtained for step (1) is added in the four-necked bottle with driven stirring rod and reflux condensing tube, adding appropriate water stirring makes modified calcium carbonate become slurries, stirring is stopped to add Sodium dodecylbenzene sulfonate and sodium bicarbonate, vinylbenzene is added after stirring 0.5h in a nitrogen atmosphere, persulfate aqueous solution is dripped after mixture being warming up to 80 ° of C, constant temperature is centrifugal after keeping 80 ° of C8h, with dry under 80 ° of C in an oven after deionized water rinsing, after to be ground into 300-400 order for subsequent use;
(3) the methanol solution activation 0.5h of 3-5 times amount is added after organobentonite and aerosil being mixed, 5 μm are less than to particle diameter again at grinding machine for grinding 2-3h, add deionized water ultrasonic disperse more even, transfer in flask the product adding step (2) gained again, raised temperature is to 80-100 ° of C, the ultrasonic methyl alcohol that is back to volatilizees, and dries product;
(4) by remaining mixing of materials, stir when being heated to 40-60 ° of C, then the product adding step (3) gained is under the rotating speed of 1300-1500 rev/min, stirs 8-10min, naturally cool to room temperature after insulation 10-15min, grind to form nanometer powdery.
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| CN201510515165.7A CN105111500A (en) | 2015-08-21 | 2015-08-21 | Modified calcium carbonate for uvioresistant cable material and preparation method thereof |
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| CN201510515165.7A CN105111500A (en) | 2015-08-21 | 2015-08-21 | Modified calcium carbonate for uvioresistant cable material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106280480A (en) * | 2016-08-16 | 2017-01-04 | 连州市万仕达新材料有限公司 | A kind of nono calcium carbonate modified composite of the uvioresistant for nylon |
| CN107200667A (en) * | 2017-07-19 | 2017-09-26 | 宿松县毕岭生态茶叶专业合作社 | A kind of method for preparing fertilizer special for tea trees |
| CN115485338A (en) * | 2020-05-04 | 2022-12-16 | Omya国际股份公司 | Dry compositions and/or emulsions for chemical and physical sun protection and uses thereof |
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|---|---|---|---|---|
| JP3358833B2 (en) * | 1992-10-12 | 2002-12-24 | 日本化学工業株式会社 | Rust prevention pigment |
| CN104497637A (en) * | 2014-12-16 | 2015-04-08 | 湖北羿廷化工科技有限公司 | Modified calcium carbonate and preparation method thereof |
-
2015
- 2015-08-21 CN CN201510515165.7A patent/CN105111500A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3358833B2 (en) * | 1992-10-12 | 2002-12-24 | 日本化学工業株式会社 | Rust prevention pigment |
| CN104497637A (en) * | 2014-12-16 | 2015-04-08 | 湖北羿廷化工科技有限公司 | Modified calcium carbonate and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 盛野: "功能性纳米碳酸钙复合材料的合成研究", 《中国优秀硕士学位论文全文数据库（博士）》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106280480A (en) * | 2016-08-16 | 2017-01-04 | 连州市万仕达新材料有限公司 | A kind of nono calcium carbonate modified composite of the uvioresistant for nylon |
| CN107200667A (en) * | 2017-07-19 | 2017-09-26 | 宿松县毕岭生态茶叶专业合作社 | A kind of method for preparing fertilizer special for tea trees |
| CN115485338A (en) * | 2020-05-04 | 2022-12-16 | Omya国际股份公司 | Dry compositions and/or emulsions for chemical and physical sun protection and uses thereof |
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Application publication date: 20151202 |