CN104087024B - A kind of have modified calcium carbonate of antibacterial antioxidant effect and preparation method thereof - Google Patents
A kind of have modified calcium carbonate of antibacterial antioxidant effect and preparation method thereof Download PDFInfo
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- CN104087024B CN104087024B CN201410250498.7A CN201410250498A CN104087024B CN 104087024 B CN104087024 B CN 104087024B CN 201410250498 A CN201410250498 A CN 201410250498A CN 104087024 B CN104087024 B CN 104087024B
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Abstract
The invention discloses a kind of modified calcium carbonate with antibacterial antioxidant effect, it is characterized in that, be made up of 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-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; The present invention adds modifying titanium dioxide, saves material, does not cause waste, and dispersion effect strengthens; Add cm-chitosan etc., germ resistance strengthens, and modified calcium carbonate of the present invention, consistency is good, has antioxidant property, for the production of functional products such as functional paper auxiliary agent, preservative film auxiliary agent, degradative plastics additive, pigment or paint additives.
Description
Technical field
The present invention relates to industrial filler field, particularly a kind of have modified calcium carbonate of 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, most products belongs to the category of polymkeric substance, such as plastics, rubber, tackiness agent, coating etc., and occupies the important market share.For plastics, PCC market consumption in the plastic will reach 3,500,000 tons.First antibiotic plastic will meet the exclusive requirement to performances such as its physics, chemistry, machineries when plastics use as basic material in using, will consider to possess the requirement of this specific function antibacterial and consequent additional factor simultaneously.Therefore, antibiotic plastic will have good mechanical strength outward appearance, chemical stability, good workability.In germ resistance, require that antibiotic plastic can adapt to environment for use, and efficient, wide spectrum, long-acting germ resistance should be had.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 and a kind of there is modified calcium carbonate of antibacterial antioxidant effect and preparation method thereof.
In order to realize object of the present invention, the present invention is by following scheme implementation:
There is a modified calcium carbonate for antibacterial antioxidant effect, be made up of 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 up of 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; Preparation method be first add methyl methacrylate, nano titanium oxide, aluminium hydroxide, ethylene glycol, water stirs, form suspension, dry at 45-50 DEG C to water content 2-3%, then terephthalic acid, dioctyl maleate mix and blend 25-35 minute is added immediately, then all the other remaining components are added, stir under 1200-1500 rev/min of condition, dry at 50-60 DEG C, be ground into ultrafine powder and get final product.
A kind of modified calcium carbonate with antibacterial antioxidant effect of the present invention, be made up of following concrete steps: calcium carbonate, Silver Nitrate, zeolite, talcum powder, EVA resin, titanate coupling agent TC-2 add in high-speed kneading machine by (1), be warming up between 70-80 DEG C, 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 DEG C, 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, stirring and grinding 2-3 hour, forming 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, save material, do not cause waste, and dispersion effect strengthens; Add cm-chitosan, Herba Cymbopogonis Citrari, germ resistance strengthens, calcium carbonate polymer is being carried out coating modification by the present invention, consistency is good, there is antioxidant property, 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 as filler.
Specific embodiments
Below by specific examples, the present invention is described in detail.
There is a modified calcium carbonate for antibacterial antioxidant effect, be made up of the raw material of following weight part (kilogram): calcium carbonate 90, cm-chitosan 1, pulverizing 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 is made up of the raw material of following weight part (kilogram): 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; Preparation method be first add methyl methacrylate, nano titanium oxide, aluminium hydroxide, ethylene glycol, water stirs, form suspension, dry at 45-50 DEG C to water content 2-3%, then terephthalic acid, dioctyl maleate mix and blend 25-35 minute is added immediately, then all the other remaining components are added, stir under 1200-1500 rev/min of condition, dry at 50-60 DEG C, be ground into ultrafine powder and get final product.
A kind of modified calcium carbonate with antibacterial antioxidant effect of the present invention, be made up of following concrete steps: calcium carbonate, Silver Nitrate, zeolite, talcum powder, EVA resin, titanate coupling agent TC-2 add in high-speed kneading machine by (1), be warming up between 70-80 DEG C, 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 DEG C, 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, stirring and grinding 2-3 hour, forming 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 Performance Detection of 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 join in polyvinyl chloride resin in the ratio of 15% respectively by calcium carbonate good for modification and unmodified water-ground limestone, make sample, the mechanical property respectively both test, comparing result sees the following form:
As can be seen from the above table, the loose bulk density of modified calcium carbonate diminishes, and illustrates that calcium carbonate split fully disperses, and it can also be seen that every mechanical property of modified calcium carbonate is all improved.
Claims (1)
1. one kind has the modified calcium carbonate of antibacterial antioxidant effect, it is characterized in that, be made up of 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 up of 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; The preparation method of described modifying titanium dioxide be first add methyl methacrylate, nano titanium oxide, aluminium hydroxide, ethylene glycol, water stirs, form suspension, dry at 45-50 DEG C to water content 2-3%, then terephthalic acid, dioctyl maleate mix and blend 25-35 minute is added immediately, then all the other remaining components are added, stir under 1200-1500 rev/min of condition, dry at 50-60 DEG C, be ground into ultrafine powder and get final product;
Described a kind of modified calcium carbonate with antibacterial antioxidant effect is made up of following concrete steps:
(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 DEG C, 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 DEG C, be incubated and pour out after 15-20 minute;
(2) material poured out while hot is added appropriate deionized water and cm-chitosan, pulverizing Herba Cymbopogonis Citrari, 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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| CN104087024B true CN104087024B (en) | 2016-03-30 |
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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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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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| US20070028806A1 (en) * | 2005-08-03 | 2007-02-08 | Piro Bonnie D | Coating compositions having improved appearance containing coated titanium dioxide pigments |
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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. |