CN103265827A - Method for intercalating and organically modifying kaolin by cetyl trimethyl ammonium bromide - Google Patents
Method for intercalating and organically modifying kaolin by cetyl trimethyl ammonium bromide Download PDFInfo
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- CN103265827A CN103265827A CN2013101598643A CN201310159864A CN103265827A CN 103265827 A CN103265827 A CN 103265827A CN 2013101598643 A CN2013101598643 A CN 2013101598643A CN 201310159864 A CN201310159864 A CN 201310159864A CN 103265827 A CN103265827 A CN 103265827A
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- kaolin
- trimethylammonium bromide
- cetyl trimethylammonium
- trimethyl ammonium
- ammonium bromide
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Abstract
The invention discloses a method for intercalating and organically modifying kaolin by cetyl trimethyl ammonium bromide. The method comprises the following steps of: (1) adding 10 parts by weight of kaolin into a reactor, adding 100 parts by volume of deionized water, mechanically stirring, heating, and keeping constant temperature, to obtain a fluid suspension; (2) in the fluid suspension, adding cetyl trimethyl ammonium bromide, and stirring at normal temperature, to obtain a blend solution, wherein the mass ratio of cetyl trimethyl ammonium bromide to kaolin is 1:10-1:20; and (3) filtrating the blended solution, washing with deionized water, and adding the solid articles into a vacuum drying box to drying at normal temperature after airing, and grinding the solid articles into powder. The modified kaolin of the invention improves microenvironment between layers, makes internal and external surfaces of clay to be changed from hydrophilia into lipophilicity, and enhances performances of composite materials. The modified kaolin of the invention not only can be used as an additive of an organic phase, but also can further react in the organic phase. The modified kaolin of the invention has a wide application prospect in painting technology and ceramic technology fields.
Description
Technical field
The present invention relates to a kind ofly with cetyl trimethylammonium bromide kaolin be carried out intercalation and organically-modified method.
Background technology
Kaolin is a kind of common inorganic clay, and its structure is formed by staggered accumulation of sharing of Sauerstoffatom by one deck silicon-oxy tetrahedron and layer of aluminum oxygen octahedra, and chemical molecular formula is Al
2O
32SiO
22H
2O.Kaolin has good coking property and higher resistivity against fire, and these character make its main raw material that becomes Production of Ceramics, and the dispersiveness of kaolin height, adsorptivity make it have a wide range of applications in papermaking and paint field in addition.
The inorganic clay mineral are carried out the big focus that organically-modified especially intercalation modifying is Materials science research in recent years.Intercalation modifying can make the interlamellar spacing of inorganic clay increase, promote mechanical property and the thermal characteristics of inorganic clay, and tensio-active agent is to the intercalation modifying of inorganic clay mineral, the inorganic clay surfaces externally and internally becomes hydrophobicity by wetting ability, this can make laminated clay and most of polymer have good consistency, provides inorganic clay mineral and macromolecular material compound new way.Some inorganic claies such as polynite is easier to by other material intercalation, and the preparation of relevant matrix material has in numerous documents and patent and relates to.But because the special interlayer structure of kaolin, kaolinic intercalation is difficult the realization, relates to seldom in the document.And the preparation method in the existing document is because complicated technology and higher cost can only rest on laboratory stage, and the sample intercalation rate of preparation is low excessively at present, and these have all hindered the material modified practical application of kaolin intercalation.
Summary of the invention
The object of the present invention is to provide and a kind ofly with cetyl trimethylammonium bromide kaolin is carried out intercalation and organically-modified method.
As follows to the step that kaolin carries out intercalation and organically-modified method with cetyl trimethylammonium bromide:
1) 10 mass parts kaolin are joined in the reactor, add 100 parts by volume deionized waters, mechanical stirring is heated to 60～80 ℃, and constant temperature 0.5 ~ 1 hour obtains suspension;
2) in suspension, add cetyl trimethylammonium bromide, cetyl trimethylammonium bromide and kaolinic mass ratio are 1:10～1:20, stirring at normal temperature 24 ~ 48 hours obtains blended liquid;
3) blended liquid after filtration, deionized water wash after drying, is put into the vacuum drying oven Air drying, pulverizes.
Described kaolin is to be clay or loose massive ore in natural output form.Described cetyl trimethylammonium bromide is the chemical reagent of AG.
The invention has the advantages that and utilize the tensio-active agent cetyl trimethylammonium bromide that kaolin is carried out modification, successfully inserted kaolinic interlayer, is a kind of kaolin to be carried out organically-modified brand-new scheme.Compare unmodified kaolin, the kaolin interlamellar spacing after the modification obviously increases, and inside and outside microenvironment takes place obviously to change.Cetyl trimethylammonium bromide used in the present invention and kaolin are cheap and easy to get, and whole process of preparation technology is simple, and is practical, and the product of acquisition has promoted the original thermal characteristics of kaolin and mechanical property to a great extent.Therefore it has a wide range of applications at aspects such as coatings industry, ceramic industries.
Embodiment
Kaolin is to be clay or loose massive ore in natural output form among the present invention.Described cetyl trimethylammonium bromide is the chemical reagent of AG.
Embodiment 1
1) 10 mass parts kaolin are joined in the reactor, add 100 parts by volume deionized waters, mechanical stirring is heated to 60 ℃, and constant temperature 0.5 hour obtains suspension;
2) in suspension, add cetyl trimethylammonium bromide, cetyl trimethylammonium bromide and kaolinic mass ratio are 1:10, stirring at normal temperature 24 hours obtains blended liquid;
3) blended liquid after filtration, deionized water wash after drying, is put into the vacuum drying oven Air drying, pulverizes.
Embodiment 2
1) 10 mass parts kaolin are joined in the reactor, add 100 parts by volume deionized waters, mechanical stirring is heated to 80 ℃, and constant temperature 1 hour obtains suspension;
2) in suspension, add cetyl trimethylammonium bromide, cetyl trimethylammonium bromide and kaolinic mass ratio are 1:20, stirring at normal temperature 48 hours obtains blended liquid;
3) blended liquid after filtration, deionized water wash after drying, is put into the vacuum drying oven Air drying, pulverizes.
Embodiment 3
1) 10g kaolin is joined in the 250mL flask, add the deionized water of 100mL, concentration is 10%(w/v), mechanical stirring is heated to 80 ℃, and constant temperature 0.5 hour obtains suspension;
2) in above-mentioned suspension, add cetyl trimethylammonium bromide 0.7g, stirring at normal temperature 24 hours;
3) blended liquid after stirring after filtration, deionized water wash after drying, is put into the vacuum drying oven Air drying with solid, pulverizes.
Embodiment 4
1) 15g kaolin is joined in the 250mL sesame seed cake, add the deionized water of 150mL, concentration is 10%(w/v), mechanical stirring is heated to 60 ℃, and constant temperature 1 hour obtains suspension;
2) in above-mentioned suspension, add the cetyl trimethylammonium bromide of kaolin 1. 5g, stirring at normal temperature 48 hours;
3) blended liquid after stirring after filtration, deionized water wash after drying, is put into the vacuum drying oven Air drying with solid, pulverizes.
Embodiment 5
1) 10g kaolin is joined in the 250mL sesame seed cake, add the deionized water of 100mL, concentration is 10%(w/v), mechanical stirring is heated to 70 ℃, and constant temperature 1 hour obtains suspension;
2) in above-mentioned suspension, add the cetyl trimethylammonium bromide of kaolin 0. 8g, stirring at normal temperature 48 hours;
3) blended liquid after stirring after filtration, deionized water wash after drying, is put into the vacuum drying oven Air drying with solid, pulverizes.
Claims (3)
1. one kind is carried out intercalation and organically-modified method with cetyl trimethylammonium bromide to kaolin, it is characterized in that its step is as follows:
1) 10 mass parts kaolin are joined in the reactor, add 100 parts by volume deionized waters, mechanical stirring is heated to 60～80 ℃, and constant temperature 0.5 ~ 1 hour obtains suspension;
2) in suspension, add cetyl trimethylammonium bromide, cetyl trimethylammonium bromide and kaolinic mass ratio are 1:10～1:20, stirring at normal temperature 24 ~ 48 hours obtains blended liquid;
3) blended liquid after filtration, deionized water wash after drying, is put into the vacuum drying oven Air drying, pulverizes.
2. according to claim 1ly a kind ofly with cetyl trimethylammonium bromide kaolin is carried out intercalation and organically-modified method, it is characterized in that described kaolin is is clay or loose massive ore in natural output form.
3. according to claim 1ly a kind ofly with cetyl trimethylammonium bromide kaolin is carried out intercalation and organically-modified method, it is characterized in that described cetyl trimethylammonium bromide is the chemical reagent of AG.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310159864.3A CN103265827B (en) | 2013-05-03 | 2013-05-03 | Method for intercalating and organically modifying kaolin by cetyl trimethyl ammonium bromide |
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| CN201310159864.3A CN103265827B (en) | 2013-05-03 | 2013-05-03 | Method for intercalating and organically modifying kaolin by cetyl trimethyl ammonium bromide |
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| CN103265827A true CN103265827A (en) | 2013-08-28 |
| CN103265827B CN103265827B (en) | 2015-07-15 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107189496A (en) * | 2017-07-13 | 2017-09-22 | 长春工业大学 | A kind of modification illite preparation method for improving natural rubber performance |
| CN107324839A (en) * | 2017-07-28 | 2017-11-07 | 望江县太慈新型建材有限公司 | A kind of method for preparing resistance to compression common brick |
| CN108046919A (en) * | 2017-12-25 | 2018-05-18 | 芜湖晋诚农业科技有限公司 | A kind of composite fertilizer for improving peach quality |
| CN108706603A (en) * | 2018-05-29 | 2018-10-26 | 西北工业大学 | A kind of nano calcium hydroxide/nano kaoline nanocomposite and preparation method |
| CN109607544A (en) * | 2018-12-27 | 2019-04-12 | 王子衿 | A kind of method of synthesizing flaky nano elementary silicon |
| CN114835970A (en) * | 2022-05-12 | 2022-08-02 | 浙江元通线缆制造有限公司 | Ceramic polyolefin cable material, preparation method thereof and application thereof in cable |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107189496A (en) * | 2017-07-13 | 2017-09-22 | 长春工业大学 | A kind of modification illite preparation method for improving natural rubber performance |
| CN107324839A (en) * | 2017-07-28 | 2017-11-07 | 望江县太慈新型建材有限公司 | A kind of method for preparing resistance to compression common brick |
| CN108046919A (en) * | 2017-12-25 | 2018-05-18 | 芜湖晋诚农业科技有限公司 | A kind of composite fertilizer for improving peach quality |
| CN108706603A (en) * | 2018-05-29 | 2018-10-26 | 西北工业大学 | A kind of nano calcium hydroxide/nano kaoline nanocomposite and preparation method |
| CN108706603B (en) * | 2018-05-29 | 2021-12-07 | 西北工业大学 | Nano calcium hydroxide/nano kaolin nano composite material and preparation method thereof |
| CN109607544A (en) * | 2018-12-27 | 2019-04-12 | 王子衿 | A kind of method of synthesizing flaky nano elementary silicon |
| CN114835970A (en) * | 2022-05-12 | 2022-08-02 | 浙江元通线缆制造有限公司 | Ceramic polyolefin cable material, preparation method thereof and application thereof in cable |
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|---|---|
| CN103265827B (en) | 2015-07-15 |
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Granted publication date: 20150715 |