Unlock instant, AI-driven research and patent intelligence for your innovation.

Application of modified polydimethylsiloxane serving as titanium dioxide organic treatment agent and method

A dimethyl siloxane and organic treatment technology, which is applied in the field of titanium dioxide organic treatment agent and modified polydimethylsiloxane, can solve the problems of poor temperature resistance and poor dispersion, and achieve the effect of simple operation

Inactive Publication Date: 2018-02-23
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
View PDF7 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem of poor temperature resistance or poor dispersibility in the application system of the current organic treatment agent for titanium dioxide, the present invention proposes to use modified polydimethylsiloxane to organically treat titanium dioxide to obtain a product with high temperature resistance. Titanium dioxide with high stability, high dispersibility and storage stability

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Application of modified polydimethylsiloxane serving as titanium dioxide organic treatment agent and method
  • Application of modified polydimethylsiloxane serving as titanium dioxide organic treatment agent and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Take 1 kg of filter cake washed with silicon-aluminum coating by sulfuric acid method, add water to dilute to 500g / L (calculated as titanium dioxide), stir and beat. Add 2g of carboxy-modified (R 1 , R 2 is the carboxyl group, R 3 It is methyl)polydimethylsiloxane, after stirring for 30min, dry at 105°C for 12h. After grinding, it was pulverized in a jet mill to obtain organic treatment sample 1.

Embodiment 2

[0023] Take 1 kg of filter cake washed with silicon-aluminum coating by sulfuric acid method, add water to dilute to 500g / L (calculated as titanium dioxide), stir and beat. Add 2g of alkoxysilyl-modified (R 1 , R 2 is methyl, R 3 It is alkoxysilyl) polydimethylsiloxane, after stirring for 30min, dry at 105°C for 12h. After grinding, it was pulverized in a jet mill to obtain organic treatment sample 2.

Embodiment 3

[0025] Take 1kg of filter cake washed with silicon-aluminum coating by the chloride method, add water to dilute to 500g / L (calculated as titanium dioxide), stir and beat. Add 2g of hydroxyl, carboxyl modification (R 1 , R 2 is hydroxyl, R 3 (carboxy)polydimethylsiloxane, after stirring for 30min, dry at 105°C for 12h. After grinding, it was pulverized in a jet mill to obtain organic treatment sample 3.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention belongs to the field of titanium dioxide organic surface modification and relates to application of modified polydimethylsiloxane serving as a titanium dioxide organic treatment agent and a treatment method. After the polydimethylsiloxane modified by hydroxyl and carboxyl-substituted C1-C12 alkyl, sulfydryl and hydroxyl-substituted C1-C12 alkyl, C1-C2 alkoxy, halogen, C1-C2 alkoxysilyl or C1-C2 alkyl is adopted as the titanium dioxide organic treatment agent to treat titanium dioxide, the titanium dioxide with high decentrality and high temperature resistance can be obtained.

Description

technical field [0001] The invention belongs to the field of organic surface modification of titanium dioxide, and relates to the use and method of using modified polydimethylsiloxane as an organic treatment agent for titanium dioxide. Background technique [0002] Titanium dioxide is considered the best white pigment in the world due to its high refractive index, good whiteness and gloss, and non-toxicity. It is widely used in industrial fields such as coatings, plastics, papermaking, ink, chemical fiber, and rubber. In various application systems, the dispersibility, hiding power, temperature resistance, weather resistance and other indicators of titanium dioxide are the main indicators of its performance. In terms of dispersibility and temperature resistance, organic treatment agents play a decisive role. Titanium dioxide can react with surrounding organic matter under heating conditions, resulting in yellowing of its application systems such as coatings and plastics. I...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/36C09C3/12
CPCC09C1/3684C09C3/12
Inventor 刘勇侯腾飞刘婵吴小平
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP