Environmental Engineering Reference
In-Depth Information
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Fig. 11.3
Polycondensation of PET and polyaddition of PU.
a
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b
Polyaddition
Fig. 11.4
Labels for plastic
types
11.3.2
Additives
A plain polymer may often not meet the required properties for use. Flame resis-
tance, flexibility, and stability against environmental conditions have to be adjust-
ed with additives before a product reaches the consumer. Additives have a strong
