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...
Exclusive to subscribers. 97% yet to be discovered!
Already subscribed? Log in!
Additives
Formulating different types of polyurethane
- (1) - BAYER - Production de mousses polyuréthanes (PUR) rigides - PU21012_fr.pdf (30/06/2004).
- (2) - LEPPKES (R.) - Polyurethanes [elastogran] – 2000 - Materials...
Exclusive to subscribers. 97% yet to be discovered!
Already subscribed? Log in!
Article included in this offer
"Plastics and composites"
(
356 articles
)
Updated and enriched with articles validated by our scientific committees
A set of exclusive tools to complement the resources
