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Environmental-friendly modified calcium carbonate with delicate fragrance and preparation method thereof

A technology of calcium carbonate and light calcium carbonate, applied in chemical instruments and methods, addition of inorganic compounds, inorganic pigment treatment, etc., can solve problems such as defects, air bubbles, affecting material appearance, heat resistance and mechanical properties, and achieve good compatibility effect

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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  • Abstract
  • Description
  • Claims
  • Application Information

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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

Method used

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  • Environmental-friendly modified calcium carbonate with delicate fragrance 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] An environmentally friendly and fragrant modified calcium carbonate, prepared from the following raw materials in parts by weight (kg): light calcium carbonate 90, diatomaceous earth 3, dipotassium glycyrrhizinate 1, crushed lemongrass 3, crushed melon seed shell 2, dried Orange peel 2, crushed neem peel 2, fly ash 2, polylactic acid fiber 3, itaconate 4, glycidyl acrylate 4, mineral oil 3, 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,...

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Abstract

Disclosed environmental-friendly modified calcium carbonate with delicate fragrance is characterized by being prepared from the following raw materials in parts by weight: 90-100 parts of light calcium carbonate, 3-4 parts of diatomite, 1-2 parts of dipotassium glycyrrhizinate, 3-5 parts of crushed cymbopogon citratus, 2-3 parts of crushed melon seed shell, 2-4 parts of dry orange peel, 2-3 parts of crushed cortex meliae, 2-3 parts of fly ash, 3-4 parts of polylactic acid fiber, 4-6 parts of an itaconate, 4-5 parts of glycidyl acrylate, 3-4 parts of mineral oil, and 3-4 parts of modified titanium dioxide. Cymbopogon citratus, orange peel, cortex meliae and other substances with natural delicate fragrance are added when a high-molecular organic polymer is added, so that the modified calcium carbonate has relatively good compatibility, also is safe and environment-friendly, and also is assisted with modified titanium dioxide with good dispersity. The filler is suitable for producing a papermaking filler, a preservative-film auxiliary agent, a plastic auxiliary agent and the like.

Description

technical field [0001] The invention relates to the field of industrial fillers, in particular to an environment-friendly and fragrant modified calcium carbonate 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 na...

Claims

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Application Information

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IPC IPC(8): C09C1/02C09C3/00C09C3/06C09C3/08C09C3/10D21H17/69
Inventor 温中苏
Owner 安徽温禾新材料科技股份有限公司
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