4. Additives
These include catalysts, chain extenders/crosslinkers, surfactants, blowing agents, colorants and fillers.
4.1 Catalysts
In order to achieve an industrial process, and faster transformation times, the relatively slow natural reaction is accelerated and regulated by the use of catalysts. Two main catalytic systems are used: amines and metal salts.
SCROLL TO TOPThey are mainly tertiary amine-based, and play a vital role in start-up, hardening and expansion...
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Additives
Formulating different types of polyurethane
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A set of exclusive tools to complement the resources
- (1) - BAYER - Production de mousses polyuréthanes (PUR) rigides - PU21012_fr.pdf (30/06/2004).
- (2) - LEPPKES (R.) - Polyurethanes [elastogran] – 2000 - Materials...
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