alfachemistry

Definition of reactive dyes Reactive dyes are a new class of dyes. Molecules of reactive dyes contain groups that are capable of chemically reacting with the fibers.

Since biological samples are mainly composed of elements such as carbon, hydrogen, oxygen, nitrogen and so on.

What is Azoic Dyes Dyes having an azo group (-N = N-) structure in the molecular structure are collectively referred to as azoic dyes. Azoic dyes are the most widely used types of synthetic dyes, accounting for more than 50% of synthetic dyes.

Introduction of plant extracts A plant extract is refer to a substance containing an active ingredient extracted from natural plant.

This article mainly introduces the active ingredients, extraction methods and applications of plant extracts.

Plant extract, such as plant oil, is generally believed to inhibit the evaporation of water, rehydrate the dry skin and hardened cuticle, restore the softness and elasticity of the stratum corneum, and make the skin smooth, soft and elastic.

Polysaccharides are polymerized from monosaccharides, and the molecular weight of polysaccharides is tens of thousands or even millions.

Introduction Chip, display and battery technology are called the three major hardware technologies of the information industry.

Artificial dyes include aniline dyes or coal tar dyes, which are widely used in a wide variety of applications.

Graphene has been highly valued in the fields of chemistry, physics, materials and energy due to its unique electrical, mechanical, thermal, optical properties and high specific surface area.