Home All Products PVC H66-3716 (Ethylene based - SG 5) - Taiwan

PVC H66-3716 (Ethylene based - SG 5) - Taiwan

IUPAC Name	: Poly(1-chloroethylene)
Cas Number	: 9002-86-2
HS Code	: 390410
Formula	: C₂H₃Cl

Basic Info

Appearance Name	: White Powder
Common Names	: Polychloroethylene
Packaging	: 25 Kg Bag

Industry

Plastic and Polymers

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Technical Document

Brief Overview

Polyvinyl chloride (PVC) is a synthetic polymer made from the monomer vinyl chloride. It is a thermoplastic material that can be easily molded and shaped into a variety of forms, making it a versatile material with many applications. PVC is known for its strength, durability, and chemical resistance, and is commonly used in construction, plumbing, electrical, and medical industries. PVC is often used for water and sewage pipes, electrical cable insulation, and vinyl siding for homes. It is also used in medical devices such as tubing and blood bags.

Manufacturing Process

Polyvinyl chloride (PVC) resin is a thermoplastic material that is widely used in various industries due to its excellent chemical resistance, durability, and low cost. The manufacturing process for PVC resin typically involves the following steps:

Vinyl Chloride Monomer (VCM) Production: VCM is produced by the chlorination of ethylene in the presence of oxygen and hydrogen chloride. The resulting VCM gas is then purified and stored for use in the next step.
Polymerization: VCM gas is then polymerized through one of two methods: suspension or emulsion polymerization.

Suspension polymerization involves suspending VCM droplets in water with the aid of a dispersing agent and a catalyst. The mixture is then heated under pressure to initiate the polymerization reaction. The resulting PVC particles are then washed, dried, and classified by size.
Emulsion polymerization involves dispersing VCM droplets in water with the aid of an emulsifier and a catalyst. The mixture is then agitated at a high speed while being heated to initiate the polymerization reaction. The resulting PVC particles are then coagulated, washed, and dried.

Additives: PVC resin is typically blended with various additives to improve its properties. These additives can include plasticizers to improve flexibility, stabilizers to prevent degradation during processing and use, pigments to add color, and fillers to reduce cost and improve mechanical properties.
Processing: The PVC resin is then processed through various methods such as extrusion, injection molding, or calendaring to create the final product.

Brief Overview

Manufacturing Process

Vinyl Chloride Monomer (VCM) Production: VCM is produced by the chlorination of ethylene in the presence of oxygen and hydrogen chloride. The resulting VCM gas is then purified and stored for use in the next step.
Polymerization: VCM gas is then polymerized through one of two methods: suspension or emulsion polymerization.

Suspension polymerization involves suspending VCM droplets in water with the aid of a dispersing agent and a catalyst. The mixture is then heated under pressure to initiate the polymerization reaction. The resulting PVC particles are then washed, dried, and classified by size.
Emulsion polymerization involves dispersing VCM droplets in water with the aid of an emulsifier and a catalyst. The mixture is then agitated at a high speed while being heated to initiate the polymerization reaction. The resulting PVC particles are then coagulated, washed, and dried.

Additives: PVC resin is typically blended with various additives to improve its properties. These additives can include plasticizers to improve flexibility, stabilizers to prevent degradation during processing and use, pigments to add color, and fillers to reduce cost and improve mechanical properties.
Processing: The PVC resin is then processed through various methods such as extrusion, injection molding, or calendaring to create the final product.