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The manufacturing methods of other special rubbers refer to rubber materials with special properties and applications, such as high temperature resistance, oil resistance, acid and alkali resistance, oxidation resistance, radiation resistance, etc. These special rubbers have a wide range of applications in the field of chemical raw materials, such as aviation, aerospace, military, automotive, petroleum, chemical and other fields. This article will introduce several common manufacturing methods for special rubbers

1、 Fluorine rubber is a special type of rubber with excellent properties such as high temperature resistance, oil resistance, acid and alkali resistance, and oxidation resistance. It is widely used in sealing, shock absorption, and other fields in harsh environments such as high temperature and high corrosion. The manufacturing methods of fluororubber mainly include lotion polymerization and solution polymerization

1. lotion polymerization 

lotion polymerization is to add monomers, initiators, emulsifiers, etc. into water to form lotion, and then polymerize under the action of initiators to generate fluororubber particles. This method has the advantages of simple operation and low production cost, but the resulting product has a low molecular weight and poor performance

2. Solution polymerization method 

Solution polymerization method is the process of adding monomers, initiators, solvents, etc. to a reaction vessel and conducting polymerization reaction under the action of initiators to produce fluororubber. This method can obtain high molecular weight and high-performance fluororubber, but the operation is complex and the production cost is high

2、 Silicone rubber has excellent properties such as high temperature resistance, oxidation resistance, and radiation resistance, and is widely used in aviation, aerospace, electronics, and other fields. The manufacturing methods of silicone rubber mainly include condensation and addition molding

1. Shrinkage method 

Shrinkage method is the condensation reaction between hydroxyl containing siloxane and alkoxy containing siloxane under the action of a catalyst to produce silicone rubber. This method is simple to operate, but the resulting product has a low molecular weight and poor performance

2. Addition molding 

Addition molding is the addition reaction of siloxanes containing alkenyl and hydrogen groups under the action of platinum catalysts to produce silicone rubber. This method can obtain high molecular weight and high-performance silicone rubber, but the operation is complex and the production cost is high

3、 Acrylate rubber has excellent properties such as oil resistance, heat resistance, and ozone resistance, and is widely used in fields such as automobiles, petroleum, and chemical industry. The manufacturing method of acrylate rubber is mainly lotion polymerization. The method is to add acrylate monomer, initiator, emulsifier, etc. into water to form lotion, and polymerize under the action of initiator to generate acrylate rubber particles

4、 Neoprene rubber has excellent properties such as oil resistance, acid and alkali resistance, and heat resistance, and is widely used in fields such as automobiles, wires and cables, and footwear. The main manufacturing method of neoprene is lotion polymerization. The method is to add chloroprene monomer, initiator, emulsifier, etc. into water to form lotion, and polymerize under the action of initiator to generate chloroprene rubber particles

In summary, the manufacturing method of special rubber needs to be selected based on specific rubber types and performance requirements. Different manufacturing methods can have an impact on the molecular weight, performance, etc. of the product, so it is necessary to choose and optimize according to the actual situation. At the same time, it is necessary to pay attention to safety, environmental protection and other issues in the production process to ensure the quality and sustainability of the product.