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[Chemical Knowledge]:Production and manufacturing method and process flow of butyl rubber

The manufacturing method
of butyl rubber
1. Introduction

butyl rubber is a synthetic rubber, mainly made of isobutylene and a small amount of isoprene. Due to its unique molecular structure and properties, butyl rubber has a wide range of applications in the field of chemical production raw materials. This article will introduce the manufacturing method of butyl rubber in detail.

2. raw material preparation

1. isobutylene: isobutylene is the main raw material of butyl rubber, generally derived from petroleum cracking or natural gas.
2. Isoprene: Isoprene is a comonomer of butyl rubber, which can improve the elasticity and aging resistance of rubber.
3. catalyst: commonly used catalysts are aluminum chloride, boron trifluoride, etc., used to initiate monomer polymerization.
4. Solvent: used to dissolve the monomer and catalyst, generally using hydrocarbon solvents.

3. manufacturing process

1. ingredients: according to the predetermined formula, the isobutylene, isoprene, catalyst and solvent into the ingredients kettle, stirring.
2. Polymerization: The mixture in the batching kettle is transferred to the polymerization reactor, and the polymerization reaction is carried out at a certain temperature and pressure. The polymerization reaction is generally carried out by means of solution polymerization or emulsion polymerization.
3. Post-treatment: After the completion of the polymerization reaction, the polymer is taken out from the reactor and subjected to post-treatment operations such as degassing, dehydration and washing.
4. Finished product preparation: The post-treated polymer is subjected to molding operations such as granulation and tabletting to obtain a finished butyl rubber product.
Precautions for
4.

1. Strictly control the quality of raw materials: ensure the purity of raw materials and avoid the influence of impurities on the polymerization reaction.
2. Optimize the polymerization conditions: according to the actual needs, adjust the polymerization temperature, pressure, catalyst dosage and other factors, in order to obtain the ideal polymer molecular structure and performance.
3. Strengthen equipment maintenance: regularly check the operation status of polymerization reactors, batching kettles and other equipment to ensure the normal operation of equipment and improve production efficiency.

5. Conclusion The manufacturing method of

butyl rubber involves many links, and it is necessary to strictly control the quality of raw materials, optimize the polymerization conditions and strengthen the maintenance of equipment. Through a reasonable manufacturing method, butyl rubber with excellent performance can be produced, which provides an important raw material guarantee for the production of chemical products. At the same time, in order to improve the production efficiency of butyl rubber and reduce production costs, it is necessary to continuously explore new manufacturing technologies and methods to promote the development of butyl rubber manufacturing.
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