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Corrosion-resistant modified calcium carbonate with good comprehensive properties and preparation method of modified calcium carbonate

A comprehensive performance, calcium carbonate technology, applied in chemical instruments and methods, dyed low molecular organic compound treatment, dyed high molecular organic compound treatment and other directions, can solve the problems of uniform dispersion, poor compatibility, interface defects, etc., to achieve compatibility Good sex and strong bonding effect

Inactive Publication Date: 2015-01-28
ANHUI SHENGJIA COLOR PRINTING PACKING
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Problems solved by technology

However, calcium carbonate particles have strongly hydrophilic hydroxyl groups distributed on the surface, which are alkaline, have different interfacial properties with organic polymer matrix materials, and have poor compatibility, making it difficult to disperse evenly in the matrix material and form a strong bond with the matrix material. Bonding force, resulting in interface defects between the two materials, reducing some mechanical properties of the composite material

Method used

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  • Corrosion-resistant modified calcium carbonate with good comprehensive properties and preparation method of modified calcium carbonate

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Embodiment Construction

[0012] Specific implementation plan

[0013] The present invention will be described in detail below through specific examples.

[0014] A modified calcium carbonate with good comprehensive performance and corrosion resistance, prepared from the following parts by weight (kg) of raw materials: calcium carbonate 90, bisphenol A epoxy resin 4, alkyd resin 3, silicon carbide 2, volcanic stone powder 3. Zinc carbonate 2, asbestos 1, glass powder 2, polytetrafluoroethylene 3, betaine 1, zinc gluconate 0.8, modified titanium dioxide 3;

[0015] The modified titanium dioxide is made of the following parts by weight (kg) of raw materials: nano titanium dioxide 50, magnesium hydroxide 2, ethyl cellulose 4, n-butyl acrylate 5, quartz powder 3, polyisobutylene 3, alkyd resin 3 , Terpineol 2, water 50; the preparation method is to first add n-butyl acrylate, nano titanium dioxide, magnesium hydroxide, ethyl cellulose, water and stir evenly to form a suspension, and dry it at 45-50 ℃ to water co...

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Abstract

The invention discloses a corrosion-resistant modified calcium carbonate with good comprehensive properties. The corrosion-resistant modified calcium carbonate with good comprehensive properties is characterized by being prepared from the raw materials in parts by weight: 90-95 parts of calcium carbonate, 4-6 parts of bisphenol A epoxy resin, 3-5 parts of alkyd resin, 2-3 parts of silicon carbide, 3-3.5 parts of pelelith powder, 2-2.5 parts of zinc carbonate, 1-2 parts of asbestos, 2-3 parts of glass powder, 3-5 parts of polytetrafluoroethylene, 1-2 parts of glycine betaine, 0.8-1.3 part of zinc gluconate and 3-4 parts of modified titanium dioxide. The corrosion-resistant modified calcium carbonate with good comprehensive properties has the characteristic of good compatibility of a high-molecular polymer and also has the characteristic of corrosion resistance because silicon carbide, the pelelith powder, the glass powder, polytetrafluoroethylene and the like are added to cover and modify calcium carbonate; as a result, modified calcium carbonate is high in binding force, and can be used as an industrial filler without reducing the comprehensive properties of the product.

Description

Technical field [0001] The invention relates to the field of industrial fillers, in particular to a modified calcium carbonate with good comprehensive performance and corrosion resistance and a preparation method thereof. Background technique [0002] Calcium carbonate is a very important functional inorganic filler, which is widely used in industrial fields such as plastics, rubber, coatings and papermaking. However, calcium carbonate particles have strong hydrophilic hydroxyl groups distributed on the surface, which are alkaline. They have different interface properties from organic polymer matrix materials and have poor compatibility. It is difficult to disperse uniformly in the matrix material and form a strong bond with the matrix material. The bonding force causes the interface defects between the two materials, which reduces certain mechanical properties of the composite material. Changing the performance of traditional calcium carbonate products and improving their appli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/02C09C3/06C09C3/08C09C3/10C09C1/36
Inventor 王明竹
Owner ANHUI SHENGJIA COLOR PRINTING PACKING
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