Highly water-resistant iron oxide black pigment and preparation method therefor

A technology for iron oxide black and pigment, applied in the field of high water-resistant iron oxide black pigment and its preparation, can solve the problems of limiting the use range of iron oxide black, poor temperature resistance of iron oxide black, difficult to disperse uniformly, etc., and achieves improved temperature resistance. high tinting strength, easy to disperse

Inactive Publication Date: 2015-12-16
TONGLING RELY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in practical applications, due to the poor temperature resistance of iron oxide black, fading and discoloration will occur at higher temperatures, and there are also problems such as easy agglomeration and difficulty in uniform dispersion, which limit the scope of use of iron oxide black

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] Non-limiting examples of the present invention are as follows:

[0015] A kind of high water-resistant iron oxide black pigment is prepared from the following component raw materials by weight (kg):

[0016] Modified iron oxide black 90, barite powder 4, sericite powder 4, sodium silicate 7, azobisisobutyronitrile 0.15, polytetrafluoroethylene micropowder 1.5, styrene 12, triethanolamine 8, castor oil 1.5;

[0017] The modified iron oxide black is prepared from the following raw materials in parts by weight: ferrous sulfate 45, imidazoline quaternary ammonium salt 0.4, citric acid 0.4, dimethyl silicone oil 0.3; the preparation method of the modified iron oxide black Add citric acid into water according to the solid-to-liquid weight ratio of 1:100 to dissolve completely, add other raw materials except ferrous sulfate and stir at 1000r / min for 5min to obtain a modified solution; add ferrous sulfate into water to prepare a 150g / L solution , add the modified solution to t...

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PUM

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Abstract

The invention discloses a highly water-resistant iron oxide black pigment which is prepared from the following raw materials in parts by weight: 80-100 parts of modified iron oxide black, 3-5 parts of barite powder, 3-5 parts of sericite powder, 6-8 parts of sodium silicate, 0.1-0.2 part of azodiisobutyronitrile, 1-2 parts of polytetrafluoroethylene micropowder, 10-15 parts of styrene, 5-10 parts of triethanolamine and 1-2 parts of caster oil. The iron oxide black pigment disclosed by the invention not only is high in tinting strength, good in temperature resistance and weather resistance, easy to disperse and good in processing performance, but also has the characteristic of high water resistance, and is good in using performance.

Description

technical field [0001] The invention relates to the field of iron oxide pigments, in particular to a highly water-resistant iron oxide black pigment and a preparation method thereof. Background technique [0002] Iron oxide black is a kind of iron-based pigment, and its composition is ferric oxide, which has saturated blue ink light blue. Iron oxide black pigment has good weather resistance, stable to light and atmosphere, high hiding power and tinting power, pure hue, low cost, and can be widely used in construction, plastics, ceramics, coatings and other industries. With the continuous development of the economy, the market's requirements for iron oxide black pigments are also increasing, and its application fields and uses are constantly expanding. However, in practical applications, due to the poor temperature resistance of iron oxide black, fading and discoloration will occur at higher temperatures, and there are also problems such as easy agglomeration and difficulty ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/24C09C3/06C09C3/10C09C3/08
Inventor 姚佐胜孙晓庆杜松松章志海刘凡杨国庆
Owner TONGLING RELY TECH
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