Modified calcium carbonate with enhanced anti-aging effect and preparation method thereof

A calcium carbonate, anti-aging technology, applied in chemical instruments and methods, dyed low molecular organic compound treatment, dyed high molecular organic compound treatment, etc. The use of small windows, air bubbles and other problems can achieve the effects of low cost, good bonding force and simple production process

Inactive Publication Date: 2015-03-04
安徽温禾新材料科技股份有限公司
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Problems solved by technology

However, the addition of dispersants and surface modifiers greatly reduces the temperature window of nano-calcium carbonate, because commonly used dispersants and coupling agents are easy to decompose at high temperatures, causing bubbles, cracks, defects, deformation, etc., thus Affect the appearance, heat resistance and mechanical properties of materials

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  • Modified calcium carbonate with enhanced anti-aging effect and preparation method thereof

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[0012] specific implementation plan

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

[0014] A modified calcium carbonate with enhanced anti-aging effect, prepared from the following raw materials in parts by weight (kg): calcium carbonate 90, anti-aging agent NBC 1, nitrile rubber 6, PVC waste powder 5, calcined loess powder 2, 2 , 6-di-tert-butyl-p-cresol 1, trihexyl trimellitate 2, tetramethylthiuram disulfide 1, tung oil 1, vegetable wax 1, 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...

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Abstract

Disclosed modified calcium carbonate with enhanced anti-aging effect is characterized by being prepared from the following raw materials in parts by weight: 90-95 parts of calcium carbonate, 1-2 parts of anti-ageing agent NBC, 6-8 parts of nitrile rubber, 5-6 parts of PVC waste material, 2-3 parts of calcined loess powder, 1-2 parts of 2,6-d-tert-butyl-4-methylphenol, 2-3 parts of tri-hexyl tri-meta-benzoate, 1-2 parts of tetramethylthiuram disulfide, 1-1.5 parts of tung oil, 1-2 parts of vegetable wax, and 3-4 parts of modified titanium dioxide. 2,6-d-tert-butyl-4-methylphenol and other anti-ageing agents and multiple high-molecular polymers are added for coating, the modified calcium carbonate is large in strength and good in binding force, and is increased in dispersing effect by adding modified titanium dioxide. The modified calcium carbonate is reasonable in formula, simple in production technology and low in cost, and is suitable for producing various industrial auxiliary agents.

Description

technical field [0001] The invention relates to the field of industrial fillers, in particular to a modified calcium carbonate with enhanced anti-aging effect 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. In the application field of calcium carbonate, most products belong to the category of polymers, such as plastics, rubber, adhesives, coatings, etc., and occupy an important market share. Modifiers play an important role in the performance and application of nano calcium carbonate. For example, the addition of dispersant can reduce the agglomeration of nanoparticles and improve the dispersion; the addition of surface modifier can improve the compatibility of nano-calcium carbonate in the polymer system. It can be seen that dispersants and surface modifiers are crucial for the application of nano-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/02C09C3/06C09C3/08C09C3/10
Inventor 温中苏
Owner 安徽温禾新材料科技股份有限公司
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