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2. Properties
2.1 Property factors
We have already seen (§ 1.1.1.3 ) the importance of catalysts and tacticity, which have a direct influence on the rate of crystallization.
Not all macromolecules have the same mass. This leads to the definition of average masses. Several averages can be calculated, giving different information about the polymer. The number-average...
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Properties
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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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