CN104087024A - Modified calcium carbonate with antibacterial and antioxidation effects and preparing method thereof - Google Patents
Modified calcium carbonate with antibacterial and antioxidation effects and preparing method thereof Download PDFInfo
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Abstract
A modified calcium carbonate with antibacterial and antioxidation effects is disclosed. The modified calcium carbonate is characterized in that: the modified calcium carbonate is prepared from raw materials comprising 90-95 parts by weight of calcium carbonate, 1-1.5 parts by weight of carboxymethyl chitosan, 3-4 parts by weight of smashed lemongrass, 0.8-1.2 parts by weight of silver nitrate, 2-3 parts by weight of zeolite, 2-3 parts by weight of talcum powder, 0.8-1.2 parts by weight of aerosol OT, 0.5-1 part by weight of an antioxidant 1010, 5-7 parts by weight of EVA resin, 1-1.6 parts by weight of a titanate coupling agent TC-2, 1-2 parts by weight of ammonium biphosphate, 4-6 parts by weight of polymethyl methacrylate and 3-4 parts by weight of modified titanium dioxide; by addition of the modified titanium dioxide, materials are saved, no waste is generated and dispersion effects are enhanced; by addition of the polymethyl methacrylate and the like, the antibacterial property is enhanced; the modified calcium carbonate is good in compatibility and is antioxidant; and the modified calcium carbonate is used for producing functional products comprising functional paper auxiliaries, preservative film auxiliaries, biodegradable plastic additives, pigment additives or coating additives, and the like.
Description
Technical field
The present invention relates to industrial filler field, particularly a kind of modified calcium carbonate with antibacterial antioxidant effect and preparation method thereof.
Background technology
Calcium carbonate is a kind of very important functional inorganic filling, is widely used in the industrial circles such as plastics, rubber, coating and papermaking.In the Application Areas of calcium carbonate, large multi-product belongs to the category of polymkeric substance, such as plastics, rubber, tackiness agent, coating etc., and occupy the important market share.Take plastics as example, and the market consumption of PCC in plastics will reach 3,500,000 tons.First the exclusive requirement to performances such as its physics, chemistry, machineries in the time of will meeting plastics during antibiotic plastic is used and use as basic material will consider to possess requirement and the consequent additional factor of antibacterial this specific function simultaneously.Therefore, antibiotic plastic will have good mechanical strength outward appearance, chemical stability, good workability.Aspect germ resistance, require antibiotic plastic can adapt to environment for use, and should have efficient, wide spectrum, long-acting germ resistance.We add the composition with antibacterial effect in filler now, make filler have antibacterial effect, and use range is just not only confined among plastics.
Summary of the invention
The object of this invention is to provide a kind of modified calcium carbonate with antibacterial antioxidant effect and preparation method thereof.
In order to realize object of the present invention, the present invention passes through following scheme implementation:
A modified calcium carbonate with antibacterial antioxidant effect, is made by the raw material of following weight part: calcium carbonate 90-95, cm-chitosan 1-1.5, pulverizing Herba Cymbopogonis Citrari 3-4, Silver Nitrate 0.8-1.2, zeolite 2-3, talcum powder 2-3, A Luosuo-OT0.8-1.2, antioxidant 1010 0.5-1, EVA resin 5-7, titanate coupling agent TC-21-1.6, primary ammonium phosphate 1-2, polymethylmethacrylate 4-6, modifying titanium dioxide 3-4;
Described modifying titanium dioxide is made by the raw material of following weight part: aluminium hydroxide 2-4, nano titanium oxide 50-60, silicon carbide 4-6, methyl methacrylate 5-7, antimonous oxide 3-4, terephthalic acid 3-4, dioctyl maleate 3-5, ethylene glycol 5-6, water 50-60; First preparation method adds methyl methacrylate, nano titanium oxide, aluminium hydroxide, ethylene glycol, water to stir, form suspension, at 45-50 ℃, dry to water content 2-3%, then add immediately terephthalic acid, dioctyl maleate mix and blend 25-35 minute, then add all the other remaining components, under 1200-1500 rev/min of condition, stir, at 50-60 ℃, dry, be ground into ultrafine powder and get final product.
A kind of modified calcium carbonate with antibacterial antioxidant effect of the present invention, by following concrete steps, made: (1) adds calcium carbonate, Silver Nitrate, zeolite, talcum powder, EVA resin, titanate coupling agent TC-2 in high-speed kneading machine, be warming up between 70-80 ℃, insulated and stirred half an hour, continue to add all the other remaining components except modifying titanium dioxide, cm-chitosan, pulverizing Herba Cymbopogonis Citrari, continue to be warming up to 110-130 ℃, be incubated and pour out after 15-20 minute;
(2) by adding appropriate deionized water and cm-chitosan, pulverizing Herba Cymbopogonis Citrari by pouring out material while hot, stir and grind 2-3 hour, form suspension stand-by;
(3) suspension is mixed with modifying titanium dioxide, stir 10-15 minute under 800-1000 rev/min, dry, be ground into ultrafine powder and get final product.
The invention has the beneficial effects as follows: the present invention adds modifying titanium dioxide after being added on process of lapping, saves material, does not cause waste, and dispersion effect strengthens; Add cm-chitosan, Herba Cymbopogonis Citrari, germ resistance strengthens, the present invention is being coated modification by calcium carbonate with polymer, consistency is good, there is antioxidant property, as filler, produce very strong bonding force, for the production of functional products such as functional paper auxiliary agent, preservative film auxiliary agent, degradative plastics additive, pigment or paint additives.
Specific embodiments
Below by specific examples, the present invention is described in detail.
A modified calcium carbonate with antibacterial antioxidant effect, by following weight part (kilogram) raw material make: calcium carbonate 90, cm-chitosan 1, pulverize Herba Cymbopogonis Citrari 3, Silver Nitrate 0.8, zeolite 2, talcum powder 2, A Luosuo-OT0.8, antioxidant 1010 0.5, EVA resin 5, titanate coupling agent TC-21, primary ammonium phosphate 1, polymethylmethacrylate 4, modifying titanium dioxide 3;
Described modifying titanium dioxide by following weight part (kilogram) raw material make: aluminium hydroxide 2, nano titanium oxide 50, silicon carbide 4, methyl methacrylate 5, antimonous oxide 3, terephthalic acid 3, dioctyl maleate 3, ethylene glycol 5, water 50; First preparation method adds methyl methacrylate, nano titanium oxide, aluminium hydroxide, ethylene glycol, water to stir, form suspension, at 45-50 ℃, dry to water content 2-3%, then add immediately terephthalic acid, dioctyl maleate mix and blend 25-35 minute, then add all the other remaining components, under 1200-1500 rev/min of condition, stir, at 50-60 ℃, dry, be ground into ultrafine powder and get final product.
A kind of modified calcium carbonate with antibacterial antioxidant effect of the present invention, by following concrete steps, made: (1) adds calcium carbonate, Silver Nitrate, zeolite, talcum powder, EVA resin, titanate coupling agent TC-2 in high-speed kneading machine, be warming up between 70-80 ℃, insulated and stirred half an hour, continue to add all the other remaining components except modifying titanium dioxide, cm-chitosan, pulverizing Herba Cymbopogonis Citrari, continue to be warming up to 110-130 ℃, be incubated and pour out after 15-20 minute;
(2) by adding appropriate deionized water and cm-chitosan, pulverizing Herba Cymbopogonis Citrari by pouring out material while hot, stir and grind 2-3 hour, form suspension stand-by;
(3) suspension is mixed with modifying titanium dioxide, stir 10-15 minute under 800-1000 rev/min, dry, be ground into ultrafine powder and get final product.
Performance Detection to modified calcium carbonate of the present invention and ordinary calcium carbonate is compared as follows:
First measure the tap density of the forward and backward calcium carbonate of modification, then the good calcium carbonate of modification and unmodified water-ground limestone are joined in polyvinyl chloride resin in 15% ratio respectively, make sample, test respectively both mechanical properties, comparing result sees the following form:
As can be seen from the above table, the loose bulk density of the calcium carbonate after modification diminishes, and illustrates that calcium carbonate split fully disperses, and it can also be seen that every mechanical property of calcium carbonate is all improved after modification.
Claims (2)
1. a modified calcium carbonate with antibacterial antioxidant effect, it is characterized in that, by the raw material of following weight part, made: calcium carbonate 90-95, cm-chitosan 1-1.5, pulverizing Herba Cymbopogonis Citrari 3-4, Silver Nitrate 0.8-1.2, zeolite 2-3, talcum powder 2-3, A Luosuo-OT 0.8-1.2, antioxidant 1010 0.5-1, EVA resin 5-7, titanate coupling agent TC-2 1-1.6, primary ammonium phosphate 1-2, polymethylmethacrylate 4-6, modifying titanium dioxide 3-4;
Described modifying titanium dioxide is made by the raw material of following weight part: aluminium hydroxide 2-4, nano titanium oxide 50-60, silicon carbide 4-6, methyl methacrylate 5-7, antimonous oxide 3-4, terephthalic acid 3-4, dioctyl maleate 3-5, ethylene glycol 5-6, water 50-60; First preparation method adds methyl methacrylate, nano titanium oxide, aluminium hydroxide, ethylene glycol, water to stir, form suspension, at 45-50 ℃, dry to water content 2-3%, then add immediately terephthalic acid, dioctyl maleate mix and blend 25-35 minute, then add all the other remaining components, under 1200-1500 rev/min of condition, stir, at 50-60 ℃, dry, be ground into ultrafine powder and get final product.
2. a kind of modified calcium carbonate with antibacterial antioxidant effect according to claim 1, is characterized in that, by following concrete steps, is made:
(1) calcium carbonate, Silver Nitrate, zeolite, talcum powder, EVA resin, titanate coupling agent TC-2 are added in high-speed kneading machine, be warming up between 70-80 ℃, insulated and stirred half an hour, continue to add all the other remaining components except modifying titanium dioxide, cm-chitosan, pulverizing Herba Cymbopogonis Citrari, continue to be warming up to 110-130 ℃, be incubated and pour out after 15-20 minute;
(2) by adding appropriate deionized water and cm-chitosan, pulverizing Herba Cymbopogonis Citrari by pouring out material while hot, stir and grind 2-3 hour, form suspension stand-by;
(3) suspension is mixed with modifying titanium dioxide, stir 10-15 minute under 800-1000 rev/min, dry, be ground into ultrafine powder and get final product.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104845409A (en) * | 2015-04-01 | 2015-08-19 | 安徽江东科技粉业有限公司 | Preparation method for special calcium-based functional composite powder for PE |
| CN105153752A (en) * | 2015-07-02 | 2015-12-16 | 池州青阳县龙酉钙业有限公司 | Easily dispersable and nonsettleable modified calcium carbonate and preparation method thereof |
| CN105638733A (en) * | 2016-01-18 | 2016-06-08 | 苏州法斯特信息科技有限公司 | Nanometer antibacterial structural material and preparation method thereof |
| CN106188632A (en) * | 2016-08-05 | 2016-12-07 | 中玺新材料（安徽）有限公司 | A kind of insulating properties composite calcium carbonate and preparation method thereof |
| CN106280552A (en) * | 2016-08-05 | 2017-01-04 | 中玺新材料（安徽）有限公司 | A kind of antibiotic property composite calcium carbonate and preparation method thereof |
| CN106280557A (en) * | 2016-08-05 | 2017-01-04 | 中玺新材料（安徽）有限公司 | A kind of high tenacity composite calcium carbonate and preparation method thereof |
| CN106349758A (en) * | 2016-08-05 | 2017-01-25 | 中玺新材料（安徽）有限公司 | Anti-oxidation composite calcium carbonate and preparation method thereof |
| CN106674600A (en) * | 2016-08-16 | 2017-05-17 | 四川云科微纳科技有限公司 | Preparation method of chitosan-coated heavy calcium carbonate anti-microbial filler for breathable film |
| CN107556529A (en) * | 2017-09-30 | 2018-01-09 | 广西华洋矿源材料有限公司 | A kind of method of modifying of nano-calcium carbonate and its application on food fresh keeping membrane |
| CN112716994A (en) * | 2020-12-26 | 2021-04-30 | 付军磊 | Preparation method of active calcium |
| CN113943498A (en) * | 2020-07-17 | 2022-01-18 | 湖南磊鑫新材料科技有限公司 | Modification method of calcium carbonate for tableware |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104845409A (en) * | 2015-04-01 | 2015-08-19 | 安徽江东科技粉业有限公司 | Preparation method for special calcium-based functional composite powder for PE |
| CN105153752A (en) * | 2015-07-02 | 2015-12-16 | 池州青阳县龙酉钙业有限公司 | Easily dispersable and nonsettleable modified calcium carbonate and preparation method thereof |
| CN105638733B (en) * | 2016-01-18 | 2018-07-31 | 湖南臻和亦康医疗用品有限公司 | A kind of nano-antibacterial structural material and preparation method thereof |
| CN105638733A (en) * | 2016-01-18 | 2016-06-08 | 苏州法斯特信息科技有限公司 | Nanometer antibacterial structural material and preparation method thereof |
| CN106188632A (en) * | 2016-08-05 | 2016-12-07 | 中玺新材料（安徽）有限公司 | A kind of insulating properties composite calcium carbonate and preparation method thereof |
| CN106280557A (en) * | 2016-08-05 | 2017-01-04 | 中玺新材料（安徽）有限公司 | A kind of high tenacity composite calcium carbonate and preparation method thereof |
| CN106349758A (en) * | 2016-08-05 | 2017-01-25 | 中玺新材料（安徽）有限公司 | Anti-oxidation composite calcium carbonate and preparation method thereof |
| CN106280552A (en) * | 2016-08-05 | 2017-01-04 | 中玺新材料（安徽）有限公司 | A kind of antibiotic property composite calcium carbonate and preparation method thereof |
| CN106674600A (en) * | 2016-08-16 | 2017-05-17 | 四川云科微纳科技有限公司 | Preparation method of chitosan-coated heavy calcium carbonate anti-microbial filler for breathable film |
| CN107556529A (en) * | 2017-09-30 | 2018-01-09 | 广西华洋矿源材料有限公司 | A kind of method of modifying of nano-calcium carbonate and its application on food fresh keeping membrane |
| CN107556529B (en) * | 2017-09-30 | 2019-05-21 | 广西华洋矿源材料有限公司 | A kind of method of modifying of nanometer calcium carbonate and its application on food fresh keeping membrane |
| CN113943498A (en) * | 2020-07-17 | 2022-01-18 | 湖南磊鑫新材料科技有限公司 | Modification method of calcium carbonate for tableware |
| CN112716994A (en) * | 2020-12-26 | 2021-04-30 | 付军磊 | Preparation method of active calcium |
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| CN104087024B (en) | 2016-03-30 |
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Effective date of registration: 20200122 Address after: 065800 State-owned Huangfu Farm, Wen'an County, Langfang City, Hebei Province Patentee after: Langfang aochen Plastic Technology Co., Ltd Address before: 232100, Huainan County, Anhui province Fengtai Gu Qiao unity 100 meters east Patentee before: Fengtai Jinghua Auxiliary Co., Ltd. |