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Acrylate-modified calcium carbonate filler capable of improving machinability and preparation method thereof

A calcium carbonate filler, acrylate technology, applied in fibrous fillers, inorganic pigment treatment, chemical instruments and methods, etc., can solve problems such as poor compatibility, and achieve low wear rate, high whiteness, good filling and reinforcement. Effect

Inactive Publication Date: 2017-05-17
ANHUI JIUZISHAN PLASTIC
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Although the cleavage surface of the modified calcium carbonate crystals is reduced and the surface of the particles is smoother, it still has poor compatibility with commonly used organic raw materials

Method used

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Comparison scheme
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Embodiment Construction

[0013] The acrylate-modified calcium carbonate filler that can improve the machinability of the present embodiment is prepared from the following raw materials in parts by weight: 200 parts of nano-calcium carbonate, 8 parts of 3-aminopropyltriethoxysilane, hard 25 parts of iron fatty acid, 12 parts of molybdenum disulfide, 8 parts of p-polyphenylene, 15 parts of sodium p-vinylbenzene sulfonate, 6 parts of polybutylene succinate, 5 parts of sodium diisopropylnaphthalene sulfonate , 30 parts of methyl acrylate, 12 parts of ammonium persulfate, 45 parts of 2-(morpholinyl) ethyl methacrylate, 15 parts of titanium diisopropoxybisacetylacetonate, an appropriate amount of methanol, and an appropriate amount of deionized water.

[0014] The acrylate-modified calcium carbonate filler that can improve machinability of the present embodiment is prepared by the following steps:

[0015] (1) Put nano-calcium carbonate, iron stearate, molybdenum disulfide, and p-polyphenyl in deionized wat...

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Abstract

The invention relates to an acrylate-modified calcium carbonate filler capable of improving machinability, which is characterized by being prepared from the following raw materials in parts by weight: 200 parts of nano calcium carbonate, 6-8 parts of 3-aminopropyltriethoxysilane, 20-25 parts of iron stearate, 10-12 parts of molybdenum disulfide, 6-8 parts of para-polyphenylene, 12-15 parts of sodium p-styrenesulfonate, 5-6 parts of poly(butylene succinate), 4-5 parts of sodium diisopropylnaphthalene sulfonate, 25-30 parts of methyl acrylate, 10-12 parts of ammonium persulfate, 35-45 parts of 2-morpholinoethyl methacrylate, 12-15 parts of titanium diisopropoxide bis(acetylacetonate), an appropriate amount of methanol and an appropriate amount of deionized water. The calcium carbonate filler provided by the invention has the advantages of fineness, uniformity, high whiteness, low wear rate, oleophobicity and good optical property and the like.

Description

technical field [0001] The invention relates to a calcium carbonate filler, in particular to an acrylate-modified calcium carbonate filler capable of improving machinability and a preparation method thereof. Background technique [0002] Nano-calcium carbonate is a new type of inorganic filler. Due to its various outstanding characteristics, it is gradually replacing traditional calcium carbonate in the field of material addition. It is called an important industrial raw material and has been widely used in plastics, rubber, coatings and papermaking. and other fields. However, the surface of nano-calcium carbonate is hydrophilic and oleophobic, has strong polarity, is difficult to combine with organic polymers, and has poor compatibility with commonly used organic raw materials, so it is difficult to uniformly disperse in the polymer matrix. Therefore, how to increase the surface affinity of nano-calcium carbonate and common polymer collectives, improve the dispersion of na...

Claims

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Application Information

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IPC IPC(8): C09C1/02C09C3/12C09C3/08C09C3/06C09C3/10C09C3/04
CPCC09C1/021C09C3/006C09C3/04C09C3/06C09C3/08C09C3/10C09C3/12
Inventor 刘三宝
Owner ANHUI JIUZISHAN PLASTIC
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