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[Chemical Knowledge]：What is a cross-linking agent and why is it so important in the chemical industry?

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A cross-linking agent is a chemical substance that can connect the chains of material molecules to each other to form a cross-chain structure and increase the mutual containment and interconnection between materials. It plays an important role in the chemical industry and can be used in the manufacture of various strip materials and pipes, the production of synthetic fibers, and the production of plastics, rubber, coatings and other materials. The characteristics of

crosslinking agent:

1. can enhance the strength and durability of the material: by crosslinking the material chain, the material molecules to produce a closer combination, thereby enhancing the strength and durability of the material.

2. Can improve the temperature and chemical stability of the material: Due to the containment and stability of the crosslinking agent structure, the temperature and chemical stability of the material can be improved, thereby making the material more durable.

3 can improve the physical properties of the material: through the role of crosslinking agent, the hardness, elasticity, flexibility and other physical properties of the material are improved, more suitable for practical applications. Types of

cross-linking agents:

common cross-linking agents include physical cross-linking agents and chemical cross-linking agents.

1. Physical crosslinking agent: It belongs to the physical cross-linking system. The elasticity, viscoelasticity and basic characteristics of the solid caused by microphase separation and physical crosslinking have been significantly improved. The agent can increase the adhesion and viscosity of the material, thereby changing its physical properties.

2. Chemical crosslinking agent: a compound that forms a cross-chain structure through a certain chemical reaction. It is mainly crosslinked in two ways: one is to crosslink the molecules of the material itself, and the other is to introduce the crosslinking agent into the material. Application fields of

crosslinking agents:

crosslinking agents are widely used in various industrial fields, especially in the chemical industry, aerospace industry, electronics industry, medical supplies, building materials and textile industry. Crosslinking agents are also widely used in safety-related fields such as railway, highway transportation, construction and power industries. At the same time, crosslinking agents are also used in many consumer products, such as shoe soles, automobile tires and various high-end electronic products.

In general, crosslinking agents play an indispensable role in modern industrial production. By cross-linking the material chain, a stable three-dimensional structure can be formed to enhance the strength and durability of the material, making it suitable for a variety of industrial and consumer fields.