Modified calcium carbonate with good elasticity and preparation method thereof

A calcium carbonate, modified technology, applied in chemical instruments and methods, inorganic pigment treatment, dyeing low molecular organic compound treatment, etc., can solve the problems of different interface properties, material mechanical properties decline, poor compatibility, etc., to achieve the preparation method Simple, easy to operate, good strength effect

Active Publication Date: 2014-11-05
QINGYANG COUNTY YONGCHENG CALCIUM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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 good elasticity and preparation method thereof

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Embodiment Construction

[0013] specific implementation plan

[0014] The present invention will be described in detail below through specific examples.

[0015] A modified calcium carbonate with good elasticity is prepared from the following raw materials in parts by weight (kg): calcium carbonate 85, polyvinyl chloride 5.5, transparent ABS 5, synthetic rubber 4, carbide slag 2, coarse aggregate 1.5, polyvinyl chloride Tetrafluoroethylene 3, cationic starch 2, lignosulfonate 2, modified titanium dioxide 2.5;

[0016] The modified titanium dioxide is made of the following raw materials in parts by weight (kg): nanometer titanium dioxide 50, mica powder 2, crushed zeolite molecular sieve 4, ferrocene 5, mineral fiber 3, sodium pyrophosphate 2, pure acrylic emulsion 3, ring Butyl oxyoleate 3, phosphate ester 2, water 50; the preparation method is to first add pure acrylic emulsion, nano-titanium dioxide, mica powder, crushed zeolite molecular sieve, mineral fiber, and water to form a suspension, and th...

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Abstract

Disclosed modified calcium carbonate with good elasticity is characterized by being prepared from the following raw materials in parts by weight: 85-90 parts of calcium carbonate, 5.5-7 parts of polyvinyl chloride, 5-7 parts of transparent ABS, 4-6 parts of synthetic rubber, 2-3 parts of calcium carbide slag, 1.5-2.5 parts of crude aggregate, 3-5 parts of teflon, 2-3 parts of cationic starch, 2-3 parts of sulfonated lignin, and 2.5-3.5 parts of modified titanium dioxide. By adding transparent ABS and other macromolecular compounds, synthetic rubber and the like into calcium carbonate, calcium carbonate is substantially improved in rigidity, elasticity and stability, also has the characteristics of toughening, reinforcing and relatively good strength, and also is reduced in cost. The provided preparation method is simple and convenient to operate, and is easy to industrialize. The produced filling material is applicable to coatings, rubber, plastic and the like.

Description

technical field [0001] The invention relates to the field of industrial fillers, in particular to a modified calcium carbonate with good elasticity 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 the material can be improved. Chan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/02C09C1/36C09C3/10C09C3/08C09C3/06
Inventor 陈永忠
Owner QINGYANG COUNTY YONGCHENG CALCIUM IND
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