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An organically modified attapulgite-dye hybrid pigment and its preparation method and application

A technology of attapulgite and dye, which is applied in the field of organically modified attapulgite-dye hybrid pigment and its preparation, and can solve the problems of human hazards, inconvenience, poor interaction between dyes and clay minerals, etc.

Active Publication Date: 2022-07-01
TAIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there are many studies on the preparation of new organic-inorganic hybrid pigments by using clay minerals. Commonly used clay minerals are montmorillonite, attapulgite, sepiolite, halloysite, etc., and it is usually necessary to organically modify the mineral surface first, and then Then let the dye molecules interact with the organically modified minerals, or first interact with the dye molecules and then carry out organic modification, each step will produce a certain degree of waste water, and the process is cumbersome, which brings inconvenience to actual production, and dyes and clay Minerals have poor action, and the dye is easy to leach out when used as a hair dye, which is a potential hazard to the human body

Method used

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  • An organically modified attapulgite-dye hybrid pigment and its preparation method and application
  • An organically modified attapulgite-dye hybrid pigment and its preparation method and application

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preparation example Construction

[0023] The invention provides a preparation method of an organically modified attapulgite-dye hybrid pigment, comprising the following steps:

[0024] The attapulgite, surfactant, dye and solvent are mixed for semi-solid grinding, and the obtained grinding material is heat-treated to obtain an organically modified attapulgite-dye hybrid pigment.

[0025] The present invention mixes attapulgite, surfactant, dye and solvent for semi-solid grinding to obtain grinding material. In the present invention, the surfactant is preferably a cationic amine salt type or a quaternary ammonium salt type surfactant; the carbon chain length of the surfactant is preferably greater than or equal to 12, more preferably 12-20; In a specific embodiment, the surfactant preferably includes cetyl trimethyl ammonium chloride, octadecyl dimethyl benzyl ammonium chloride, bis-hexadecyl dimethyl ammonium bromide, dodecyl dimethyl ammonium bromide, Alkyltrimethylammonium chloride, dodecyldimethylbenzylamm...

Embodiment 1

[0042] Weigh 1g attapulgite, 0.2g cetyltrimethylammonium chloride, 0.15g alizarin red, add 0.08mL deionized water, grind with a mortar for 20min, transfer to a watch glass, put it in an oven and gradually heat up to 120°C for 8h. Remove and wash with deionized water repeatedly until the supernatant is colorless and the pH is close to neutral. The obtained organically modified attapulgite-dye hybrid pigment was dried in an oven at 80° C., ground and bagged.

Embodiment 2

[0044] Weigh 1 g of attapulgite, 0.15 g of octadecyldimethylbenzyl ammonium chloride, 0.2 g of sunset yellow, add 0.1 mL of ethanol, grind in a mortar for 30 min, transfer it to a watch glass, put it in an oven and gradually heat up to 140°C for 7h. Remove and wash with deionized water repeatedly until the supernatant is colorless and the pH is close to neutral. The obtained organically modified attapulgite-dye hybrid pigment was dried in an oven at 80° C., ground and bagged.

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Abstract

The invention relates to the technical field of hair dyes, and provides an organically modified attapulgite-dye hybrid pigment and a preparation method and application thereof. The present invention adopts the semi-solid grinding-heat treatment method to make the surfactant and dye act on the attapulgite at the same time, and realizes the dual purpose of surface modification of the attapulgite and preparation of the hybrid pigment through a one-step method, and the preparation process is simple and feasible . The hybrid pigment prepared by the invention is a hybrid of attapulgite rods and dyes, the attapulgite rods are in the shape of slender nano-slabs, which are easy to be attached to the hair surface, and the dye molecules act on the holes or rods with extremely strong force At the crystal groove, the obtained hybrid pigment has excellent light, heat and solvent stability, and it can be used as a temporary hair dye to meet the current young people's trendy and changeable concept pursuit of hair.

Description

technical field [0001] The invention relates to the technical field of hair dyes, in particular to an organically modified attapulgite-dye hybrid pigment and a preparation method and application thereof. Background technique [0002] With the continuous development of society and economy, more and more people, especially young people, like to try different shades of hair coloring experience, and some even change their hair color tones once a week. As we all know, the current mainstream hair dyes are still oxidative types. Every time the hair is changed, the dyes dyed last time need to be rinsed off. Therefore, there is an urgent need to develop a kind of temporary hair dye that is simple and easy to dye, non-toxic, and can be easily washed off the next time you want to change the dye. [0003] The purpose of temporary hair dyes is to slightly alter the natural color of the hair, or to improve the color of the hair. It is a hair dye that removes coloring in just one wash wi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K8/41A61K8/49A61K8/26A61Q5/06
CPCA61K8/416A61K8/4946A61K8/26A61Q5/065A61K2800/805A61K2800/413A61K2800/432
Inventor 陈浩潘云云裴艳红
Owner TAIZHOU UNIV