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1. Preparation
1.1 Polypropylene structure
Polypropylene is one of the four main thermoplastics, along with polyethylene, polystyrene and polyvinyl chloride, with a tonnage representing 21% of total plastics.
The name polypropylene actually conceals a whole range of materials. At the very least, we can distinguish between homopolymers, copolymers and compounds. A homopolymer is prepared by chemically bonding identical units, in this case propylene. A copolymer is an assembly of several monomers, generally propylene and ethylene, in variable proportions and modes. Compounds are more or less complex mixtures.
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Preparation
Properties
Statistical and economic data
1.Production trends
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France
In thirty years, French polypropylene production has risen from zero to 1.4 Mt/year (figure ).
References
Also in our database
Norms and Standards
French and European standards http://www.afnor.fr
- Plastics – Determination of water absorption. Classification number T 51-166 - NF EN ISO 62 - 05-99
- Plastics – Test methods for determining the effects of immersion in liquid chemicals. Classification number T 51-029 - NF EN ISO 175 - 09-00
- Plastics – Determination of bending properties. Classification number T 51-001 - NF EN ISO 178 - 05-03 ...
Websites
List of polypropylene suppliers http://www.ides.com/generics/PP/PP_suppliers.htm
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
Borealis http://www.borealisgroup.com
DOW Plastics http://plastics.dow.com
Exxon Mobil http://www.exxonmobilchemical.com
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