CN104031416B - A kind of modified calcium carbonate and preparation method thereof that can be used as sound-absorbing filler - Google Patents
A kind of modified calcium carbonate and preparation method thereof that can be used as sound-absorbing filler Download PDFInfo
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- CN104031416B CN104031416B CN201410214640.2A CN201410214640A CN104031416B CN 104031416 B CN104031416 B CN 104031416B CN 201410214640 A CN201410214640 A CN 201410214640A CN 104031416 B CN104031416 B CN 104031416B
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Abstract
The invention discloses a kind of modified calcium carbonate that can be used as sound-absorbing filler, it is characterized in that, be made up of the raw material of following weight part: calcium carbonate 90-95, nano-hollow microballon 4-6, aluminosilicate fiber cotton 3-5, wild rice stem straw powder 3-4, pearlstone 2-4, activated alumina 3-4, volatile salt 2-3, polycarbonate 6-8, natural rubber latex 5-6, α-sodium olefin sulfonate 1-2, modifying titanium dioxide 3-4; The present invention is by adding nano-hollow microballon and aluminosilicate fiber cotton, there is excellent sound absorption performance, add vegetable fibre and crude substance, there is large specific surface area, there is sound-absorbing adsorption, add modifying titanium dioxide, add dispersing property, be applicable to produce the auxiliary agents such as acoustical tile, acoustic panel, coating.
Description
Technical field
The present invention relates to industrial filler field, particularly a kind of modified calcium carbonate and preparation method thereof that can be used as sound-absorbing filler.
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.The performance and application of properties-correcting agent to nano-calcium carbonate serves vital role.Such as, dispersion agent add the reunion that can reduce nano particle, improve dispersed; Adding of surface-modifying agent can improve the consistency of nano-calcium carbonate in polymeric system.As can be seen here, dispersion agent and surface-modifying agent are vital for the application of nano-calcium carbonate.But, adding of dispersion agent and surface-modifying agent, make nano-calcium carbonate temperature use window greatly to diminish, reason is that conventional dispersion agent and coupling agent are at high temperature easy to decompose, cause bubble, cracking, defect, distortion etc., thus affect the outward appearance of material, resistance toheat and mechanical property.Change the performance of traditional calcium carbonate product, improving its application performance to meet the needs of novel material, development of new techniques, is calcium carbonate industry urgent problem.
Summary of the invention
The object of this invention is to provide a kind of modified calcium carbonate and preparation method thereof that can be used as sound-absorbing filler.
In order to realize object of the present invention, the present invention is by following scheme implementation:
A modified calcium carbonate for sound-absorbing filler can be used as, be made up of the raw material of following weight part: calcium carbonate 90-95, nano-hollow microballon 4-6, aluminosilicate fiber cotton 3-5, wild rice stem straw powder 3-4, pearlstone 2-4, activated alumina 3-4, volatile salt 2-3, polycarbonate 6-8, natural rubber latex 5-6, α-sodium olefin sulfonate 1-2, 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 that can be used as sound-absorbing filler of the present invention, be made up of following concrete steps:
(1) calcium carbonate, nano-hollow microballon, pearlstone, activated alumina, volatile salt, polycarbonate are added in high-speed kneading machine, be warming up between 70-80 DEG C, insulated and stirred half an hour, continue to add natural rubber latex, 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 aluminosilicate fiber cotton, wild rice stem straw powder, α-sodium olefin sulfonate 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 is by adding nano-hollow microballon and aluminosilicate fiber cotton, there is excellent sound absorption performance, add vegetable fibre and crude substance, there is large specific surface area, there is sound-absorbing adsorption, add modifying titanium dioxide, add dispersing property, be applicable to produce the auxiliary agents such as acoustical tile, acoustic panel, coating.
Specific embodiments
Below by specific examples, the present invention is described in detail.
A modified calcium carbonate for sound-absorbing filler can be used as, be made up of the raw material of following weight part (kilogram): calcium carbonate 90, nano-hollow microballon 4, aluminosilicate fiber cotton 3, wild rice stem straw powder 3, pearlstone 2, activated alumina 3, volatile salt 2, polycarbonate 6, natural rubber latex 5, α-sodium olefin sulfonate 1, 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 that can be used as sound-absorbing filler of the present invention, be made up of following concrete steps:
(1) calcium carbonate, nano-hollow microballon, pearlstone, activated alumina, volatile salt, polycarbonate are added in high-speed kneading machine, be warming up between 70-80 DEG C, insulated and stirred half an hour, continue to add natural rubber latex, 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 aluminosilicate fiber cotton, wild rice stem straw powder, α-sodium olefin sulfonate 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 is used as the modified calcium carbonate of sound-absorbing filler, it is characterized in that, be made up of the raw material of following weight part: calcium carbonate 90-95, nano-hollow microballon 4-6, aluminosilicate fiber cotton 3-5, wild rice stem straw powder 3-4, pearlstone 2-4, activated alumina 3-4, volatile salt 2-3, polycarbonate 6-8, natural rubber latex 5-6, α-sodium olefin sulfonate 1-2, 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;
Described a kind of modified calcium carbonate being used as sound-absorbing filler is made up of following concrete steps:
(1) calcium carbonate, nano-hollow microballon, pearlstone, activated alumina, volatile salt, polycarbonate are added in high-speed kneading machine, be warming up between 70-80 DEG C, insulated and stirred half an hour, continue to add natural rubber latex, 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 aluminosilicate fiber cotton, wild rice stem straw powder, α-sodium olefin sulfonate, 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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| CN201410214640.2A CN104031416B (en) | 2014-05-20 | 2014-05-20 | A kind of modified calcium carbonate and preparation method thereof that can be used as sound-absorbing filler |
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| CN201410214640.2A CN104031416B (en) | 2014-05-20 | 2014-05-20 | A kind of modified calcium carbonate and preparation method thereof that can be used as sound-absorbing filler |
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| CN104031416B true CN104031416B (en) | 2016-01-06 |
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| CN104292704A (en) * | 2014-10-31 | 2015-01-21 | 安徽省三乐门窗幕墙工程有限公司 | Strengthening filler for plastic doors and windows and preparation method of strengthening filler |
| CN104292707A (en) * | 2014-10-31 | 2015-01-21 | 安徽省三乐门窗幕墙工程有限公司 | Oxidation resisting calcium carbonate filler and preparation method thereof |
| CN104277377A (en) * | 2014-10-31 | 2015-01-14 | 安徽省三乐门窗幕墙工程有限公司 | Heat-preservation plastic door and window filler and preparation method thereof |
| CN104292705A (en) * | 2014-10-31 | 2015-01-21 | 安徽省三乐门窗幕墙工程有限公司 | Special calcium carbonate filler for PVC doors and windows, and preparation method thereof |
| CN104277376A (en) * | 2014-10-31 | 2015-01-14 | 安徽省三乐门窗幕墙工程有限公司 | Calcium carbonate filler for plastic doors and windows and preparation method of calcium carbonate filler |
| CN105153853A (en) * | 2015-09-02 | 2015-12-16 | 太仓顺如成建筑材料有限公司 | Indoor coating with sound absorption function |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102965845A (en) * | 2012-11-22 | 2013-03-13 | 芜湖跃飞新型吸音材料股份有限公司 | PET (polyethylene glycol terephthalate) fiber/aluminum silicate fiber composite sound absorbing cotton and preparation method of PET fiber/aluminum silicate fiber composite sound absorbing cotton |
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| FI117716B (en) * | 2000-04-18 | 2007-01-31 | Ciba Sc Holding Ag | Method for pretreatment of filler, modified filler and its use |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102965845A (en) * | 2012-11-22 | 2013-03-13 | 芜湖跃飞新型吸音材料股份有限公司 | PET (polyethylene glycol terephthalate) fiber/aluminum silicate fiber composite sound absorbing cotton and preparation method of PET fiber/aluminum silicate fiber composite sound absorbing cotton |
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Effective date of registration: 20200521 Address after: 542808 laohu'ao (Cologne Industrial Park), Huangtian Town, Pinggui District, Hezhou City, Guangxi Zhuang Autonomous Region Patentee after: GUANGXI HEZHOU KELONG MICRO-POWDER Co.,Ltd. Address before: Gu Qiao Zhen Tong Ying community natural village of Fengtai County in Anhui province Huainan city 232100 Patentee before: FENGTAI JINGXING BIOLOGICAL TECHNOLOGY Co.,Ltd. |