Language
- CHINESE
- ENGLISH

NEWS CENTER

Home page

The surface of mica powder is highly polar, easy to agglomerate and unevenly dispersed

Published： 2022/01/10

In order to give full play to the characteristics of mica and maintain other properties of the material, the surface of mica powder has high polarity, poor compatibility, easy agglomeration, and uneven dispersion.

At present, organic surface modification and inorganic surface coating modification are the main methods of mica powder surface modification.

1. Organic surface modified mica powder.
Objective: To improve the compatibility between mica powder and polymer base material, and improve its application performance.

Applicable objects: Mica powder is used as a reinforcing filler for polymer materials such as polyolefin, polyamide and polyester.

Silane coupling agent, butadiene, zircoaluminate, silicone (oil) and other surface modifiers.

Modification method: The mica powder used for surface modification is preferably wet-milled mica powder, and the most effective surface modifier is aminosilane. However, when the two surface modifiers are used in combination, the effect is often better, especially to improve the mechanical properties and heat aging resistance of polypropylene composites.
Modification effect: After surface treatment, mica powder can improve the mechanical strength of the material and reduce molding shrinkage.

Influencing factors: the amount of surface modifier is the key to affect the modification effect, and the type of coupling agent also has an impact on the application of mica surface modification treatment.

Come and find out! Key Points of Quality Control of Mica Powder in Mica Insulation Materials

The next one:

[Trend Outlook] The Trend of Domestic Makeup Brands Comes

2022-07-28

The use of mica as an electrical insulating material is an important direction of mica application. During the use of mica insulating material, it needs to have a large enough area. With the depletion of large mica resources, flake insulating materials prepared from crushed mica through appropriate processing methods have become the mainstream of mica insulation. Mica flake removal, optimal particle size composition control, surface modification, etc. have become important tasks to improve the quality of mica flakes and improve the performance of mica insulation materials.

The surface of mica powder is highly polar, easy to agglomerate and unevenly dispersed

2022-01-10

[Trend Outlook] The Trend of Domestic Makeup Brands Comes

2021-11-12

Against the background of improving epidemic prevention and control situation, stricter industry supervision, continuous introversion of brands, and the release of a number of cosmetics-related laws and regulations, the Chinese cosmetics market is showing a steady and positive development trend. The data shows that driven by factors such as the continuous increase in national disposable income and the enhancement of aesthetic awareness, the consumption of cosmetics continues to rise. It is estimated that the market size will exceed 500 billion yuan this year.

What is mica? Use and origin are explained in detail!

2021-11-12