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Modified calcium carbonate with hydrophobic, oleophylic and moistureproof effects and preparation method thereof

A hydrophobic, lipophilic, calcium carbonate technology, applied in chemical instruments and methods, dyed organosilicon compound treatment, dyed low molecular organic compound treatment, etc. Achieve the effect of low cost, good dispersion and good surface properties

Inactive Publication Date: 2015-02-18
ANHUI SHENGJIA COLOR PRINTING PACKING
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  • Abstract
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Problems solved by technology

However, because its surface is hydrophilic, oleophobic and easy to agglomerate, its interface properties are different from those of organic polymers, and its compatibility is poor. Direct or excessive filling will easily lead to a decrease in the mechanical properties of the material.

Method used

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  • Modified calcium carbonate with hydrophobic, oleophylic and moistureproof effects and preparation method thereof

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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 hydrophobic, lipophilic and moisture-proof effects, prepared from the following raw materials in parts by weight (kg): calcium carbonate 85, hectorite 2, dried leaf powder 3, simethicone oil 2, alkylene Ketone dimer 4, soybean oil 2, Span 80 1, smoked sheet glue 4, potassium oleate 2, trimethyl isocyanate 5, modified titanium dioxide 3;

[0015] The modified titanium dioxide is made of the following raw materials in parts by weight (kg): 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, and water to stir evenly to form a suspension, and dry it at 45-50°C until the water content 2-...

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Abstract

The invention discloses modified calcium carbonate with hydrophobic, oleophylic and moistureproof effects. The modified calcium carbonate is characterized by being prepared from the following raw materials in parts by weight: 85-90 parts of calcium carbonate, 2-3 parts of hectorite, 3-4 parts of dried fallen leaf powder, 2-2.5 parts of dimethyl silicon oil, 4-6 parts of alkyl ketene dimer, 2-3 parts of soybean oil, 1-2 parts of Span 80, 4-5 parts of smoke sheet rubber, 2-2.5 parts of potassium oleate, 5-7 parts of methyl isocyanurate and 3-4 parts of modified titanium dioxide. According to modified calcium carbonate, various oily materials are added and a water-in-oil surfactant is used for coating, so that modified calcium carbonate is good in surface performance, hydrophobic and oleophylic; modified titanium dioxide is added, so that modified calcium carbonate is good in dispersity; in addition, modified calcium carbonate is waterproof, moistureproof and suitable for coatings, pigments, papermaking assistants and the like, and a production process is simple and low in cost.

Description

technical field [0001] The invention relates to the field of industrial fillers, in particular to a modified calcium carbonate with hydrophobic, lipophilic and moisture-proof effects and a preparation method thereof. Background technique [0002] Due to its good stability, pure color, low wear, easy processing, non-toxicity, wide range of sources, low price and many other advantages, calcium carbonate is often used to fill plastics, rubber and other materials to increase capacity, increase and reduce production costs. However, because its surface is hydrophilic and oleophobic and is easy to agglomerate, it has different interfacial properties with organic polymers and poor compatibility. Direct or excessive filling will easily lead to a decrease in the mechanical properties of the material. Through modification, its surface properties can be improved, and the comprehensive properties such as dispersibility, compatibility with the polymer interface and mechanical strength of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/02C09C3/12C09C3/06C09C3/08C09C1/36C09C3/10
Inventor 王明竹
Owner ANHUI SHENGJIA COLOR PRINTING PACKING
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