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[Chemical Knowledge]：The production and manufacturing method and process of composite glue.

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The manufacturing method
of compound adhesive
1. Introduction

compound adhesive plays an important role in the production of chemical products. Because of its unique physical and chemical properties, it is widely used in many fields. This article will introduce the manufacturing method of composite adhesive in detail, including raw material selection, ratio, mixing, processing and other links, in order to provide readers with a useful reference.

2. Raw Material Selection

1. Base glue: Select the base glue with high viscosity, high elasticity and excellent aging resistance, such as natural rubber, synthetic rubber, etc.
2. filler: carbon black, white carbon black, silicate, etc. can be used as filler to improve the strength and hardness of the composite rubber.
3. Plasticizers: low molecular weight plasticizers, such as paraffin oil, naphthenic oil, etc., are selected to reduce the viscosity of the compound glue and improve its processing performance.
4. vulcanizing agent: select the appropriate vulcanizing agent, such as sulfur, peroxide, etc., to adjust the vulcanization rate of compound rubber.

3. ratio design

According to the performance requirements of the required composite adhesive, the ratio of each raw material is determined through experiments and theoretical analysis. Generally speaking, the proportion of basic glue is relatively large, the proportion of fillers and plasticizers is moderate, and the proportion of vulcanizing agents is relatively small.

4. mixing process

will select the good raw materials according to the design of good ratio into the mixer or open mill, mixing. The mixing process needs to control the temperature and time to ensure that the raw materials are fully and evenly mixed together.

5. Processing Molding

Put the mixed compound into an extruder or calender and process it into the required shape and size. Parameters such as temperature, pressure and speed need to be controlled during processing to ensure product quality.

6. vulcanization treatment

the processed composite rubber products into a vulcanization tank or hot air vulcanization, so that the rubber molecules in the composite rubber cross-linking reaction, thereby improving the physical and mechanical properties and chemical stability of the product. During the vulcanization process, parameters such as temperature, time and pressure should be controlled to ensure the vulcanization effect.

7. quality inspection

carries out quality inspection on vulcanized composite rubber products, including appearance inspection, physical and mechanical performance test, chemical performance analysis, etc., to ensure that the products meet the relevant standards and requirements.

8. packaging and storage

packaging qualified products to prevent contamination and damage during storage and transportation. Packaging materials should be environmentally friendly, non-toxic materials, and have a certain anti-aging performance. Storage should avoid direct sunlight, high temperature and humid environment, so as not to affect product quality.
Precautions in the production process of
9.

1. Strictly control the quality of raw materials to ensure that the raw materials meet relevant standards and requirements.
2. The mixing process should ensure that the raw materials are fully and evenly mixed together to avoid unevenness.
3. In the process of processing and molding, parameters such as temperature, pressure and speed should be controlled to avoid defects such as bubbles and cracks in the product.
4. During the vulcanization process, parameters such as temperature, time and pressure should be controlled to ensure the vulcanization effect.
5. During the production process, the equipment should be kept clean and sanitary, and regular inspection and maintenance should be carried out to ensure the normal operation of the equipment.

10. conclusion The manufacturing method of

compound adhesive involves many links and factors, and it is necessary to strictly control the quality of raw materials, ratio design, mixing process, processing and molding, vulcanization treatment and other links to ensure product quality. At the same time, the production process also need to pay attention to equipment maintenance and sanitation and other aspects of the work, improve production efficiency and product quality.

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