High-dispersivity modified calcium carbonate for color masterbatches and preparation method thereof

A technology with high dispersion and color masterbatch, which is applied in the treatment of dyed high-molecular organic compounds, chemical instruments and methods, and dyed low-molecular organic compounds. It can solve the problems of performance degradation of composite materials, two-phase interface defects, and matrix bonding force. Weakness and other problems, to achieve the effect of increasing the amount of addition, uniform particle size, good dispersion and compatibility

Active Publication Date: 2013-11-27
青阳县恒源化工原料有限责任公司
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  • Application Information

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Problems solved by technology

However, the surface of heavy calcium carbonate is hydrophilic and oleophobic, the specific surface area is large, the surface energy is high, and the particles are easily agglomerated. When directly or in large quantities f...

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  • High-dispersivity modified calcium carbonate for color masterbatches and preparation method thereof

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Embodiment Construction

[0011] A preparation method for highly dispersive modified calcium carbonate for color masterbatch,

[0012] First weigh heavy calcium carbonate 100, diffusing agent NNO 0.3, ferrocene 0.2, bisphenol A polycarbonate 0.3, rutile titanium dioxide 1, talcum powder 0.5, white oil 0.1, methyl phenyl Silicone oil ethylene bisoleic acid amide 0.6, high-density linear polyethylene 1, stearic acid 0.3, paraffin wax 1, isopropyl tris(dioctyl pyrophosphate acyloxy) titanate 3, prepared according to the following steps:

[0013] First, dry the heavy calcium carbonate at 90-100°C until the water content is less than 0.5%, and then add it to the high-speed mixer; mix the diffusing agent NNO, ferrocene, bisphenol A polycarbonate, rutile titanium dioxide, Add talcum powder and white oil into a high-speed mixer, and stir at a speed of 800-1000 rpm for 3-5 minutes at 80-95°C; Linear polyethylene, stearic acid, paraffin, isopropyl tris (dioctyl pyrophosphate acyloxy) titanate are added to the h...

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Abstract

The invention provides a high-dispersivity modified calcium carbonate for color masterbatches, which is prepared from the following raw materials in parts by weight: 95-100 parts of ground calcium carbonate, 0.1-0.3 part of diffusant NNO, 0.1-0.3 part of ferrocene, 0.2-0.4 part of bisphenol A polycarbonate, 1-2 parts of rutile titanium dioxide, 0.4-0.6 part of talcum powder, 0.1-0.2 part of white oil, 0.5-1 part of methyl phenyl silicone oil ethylene bis-oleamide, 1-2 parts of high-density linear polyethylene, 0.3-0.4 part of stearic acid, 1-2 parts of paraffin and 2-3 parts of isopropyl tri(dioctylpyrophosphate)titanate. The preparation method comprises the following steps: mixing part of materials, drying calcium carbonate, mixing, proportionally and sequentially adding the other raw materials in batches, thoroughly mixing in a high-speed stirrer, drying and grinding. The modified calcium carbonate provided by the invention has the advantage of favorable dispersity, and can lower the cost and enhance the dispersity and shading property of the color masterbatches when being used in various color masterbatches.

Description

technical field [0001] The invention relates to the field of inorganic fillers, in particular to a highly dispersible modified calcium carbonate for color masterbatch and a preparation method thereof. Background technique [0002] Ground calcium carbonate is a commonly used inorganic filler. It is widely used in rubber, plastics, coatings and other fields due to its wide source and low price. However, the surface of heavy calcium carbonate is hydrophilic and oleophobic, the specific surface area is large, the surface energy is high, and the particles are easily agglomerated. When directly or in large quantities filled in organic matrix materials, it is not only difficult to disperse evenly, but also has a weak binding force with the matrix. , leading to two-phase interface defects and some performance degradation of composite materials. Therefore, in order to broaden its application field, it is necessary to modify the surface of heavy calcium carbonate to make its surface ...

Claims

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Application Information

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IPC IPC(8): C08K13/06C08K9/06C08K9/04C08K9/02C08K3/26C08K3/22C08K3/34C09C1/02C09C3/06C09C3/08C09C3/10C09C3/12
Inventor 陈永忠
Owner 青阳县恒源化工原料有限责任公司
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