2. Materials

In general, with the exception of a few powdery or solid fillers, these materials come in forms ranging from free-flowing liquids to viscous pastes. They are therefore generally pumpable.

2.1 Polyols

Hydroxylated products, i.e. with a primary –OH reactive group, are characterized by their :

OH hydroxyl number (I _OH ), inversely proportional to molecular weight;
functionality.

Other features are also used:

residual water content (% by mass) ;
viscosity (Pa.s) ;
density (kg.m ^...

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Ongoing reading
Materials

Previous
page History

Polyaddition reactions

(1) - BAYER - Production de mousses polyuréthanes (PUR) rigides - PU21012_fr.pdf (30/06/2004).
(2) - LEPPKES (R.) - Polyurethanes [elastogran] – 2000 - Materials...

Database – Websites

Publication Crain Communication Ltd (UTECH conference publications) – Years 1996 to 2008

http://www.urethanes-technology.com/
Isopa website publications

Organizations – Federations – Associations

This list is by no means exhaustive.

Alliance for the polyurethane industry

http://www.polyurethane.org/s_api/index.asp
French Plastics Federation

http://www.laplasturgie.fr
...

Exhibitions – Conventions – Training courses

Suppliers of materials or machines (possibly abroad). Non-exhaustive information.

Compositec

http://www.compositec.com/
Europlast (Paris)
JEC (Paris)
K' (Kunssttoff) (Düsseldorf...

Standards and norms

Raw materials
- Base materials for polyurethanes – Polyethers, polyesters, isocyanates – List of test methods – Summary standard. – Classification number: T52-100. - NF T52-100 - Août 1980
- Plastics – Polyols for polyurethane production – Water dosing. - ISO 14897 - Juin 2002
- Plastics – Base materials for polyurethanes – Polyethers and polyesters – Water dosing. Classification...