Types of Rubber Polymers
Rubber polymers are a group of materials that exhibit unique properties, such as elasticity, toughness, and resistance to wear and tear. There are several types of rubber polymers, each with its own set of chemical properties and applications. In this article, we will provide an overview of the most common rubber polymers, their chemical properties, and applications.
Chemical Properties:
Made from the sap of rubber trees
High tensile strength
Good abrasion resistance
Excellent elasticity
Good resistance to water and some chemicals
Applications:
Tires
Belts
Hoses
Gloves
Rubber bands
Styrene-butadiene Rubber (SBR)
Chemical Properties:
Synthetic rubber made from styrene and butadiene
Good abrasion resistance
Good flexibility
Resistant to low temperatures
Good electrical insulation
Applications:
Tires
Conveyor belts
Shoe soles
Automotive mats
Carpet backing
Chemical Properties:
Synthetic rubber made from isobutylene and a small amount of isoprene
Excellent air retention properties
Good chemical resistance
Good weathering resistance
Low gas permeability
Applications:
Inner tubes
Liners for tanks and pipes
Seals for windows and doors
Roofing membranes
Pharmaceutical stoppers
Chemical Properties:
Synthetic rubber made from chloroprene
Good resistance to oils and chemicals
Good weathering resistance
Good flame resistance
Good electrical insulation
Applications:
Wetsuits
Industrial hoses
Automotive fan belts
Electrical insulation
Roofing membranes
Chemical Properties:
Synthetic rubber made from acrylonitrile and butadiene
Good resistance to oils and chemicals
Good abrasion resistance
Good weathering resistance
Low gas permeability
Applications:
Fuel hoses
Gaskets
Seals
O-rings
Disposable gloves
Ethylene Propylene Diene Monomer (EPDM)
Chemical Properties:
Synthetic rubber made from ethylene and propylene
Excellent weathering resistance
Good electrical insulation
Good resistance to ozone and UV radiation
Low gas permeability
Applications:
Automotive weatherstripping
Roofing membranes
Electrical insulation
Seals for windows and doors
Garden hoses
Simple Comparative Chart of Chemical Properties:
As you can see from the chart above, each rubber polymer has its own unique set of chemical properties that make it suitable for certain applications. For example, natural rubber has high tensile strength and good abrasion resistance, making it ideal for use in tires and hoses. Butyl rubber, on the other hand, has excellent air retention properties and low gas
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