(13-34-36) The main objective of this work was to develop hydroxylated CSO polyol (HCSO) and isophorone diisocyanate
(IPDI) formulations for PU coatings.
In this study, a novel UV-curable cyclohexanone-formaldehyde (UVCF) resin was synthesized with cyclohexanone-formaldehyde (CF) resin, isophorone diisocyanate
(IPDI), and pentaerythritol triacrylate (PETA) as base substance, bridging agent, and functional monomer, respectively.
Certain amounts of polyether polyol (NJ-220, 15.014 g) and isophorone diisocyanate
(IPDI, 8.325 g) were added into a four-necked flask equipped with a mechanical stirrer, thermometer, and reflux condenser.
Responding to the need for safer systems, isocyanate suppliers are formulating 'prepolymers' (dimers, trimers) of common isocyanate crosslinkers such as HDI (hexamethylene diisocyanate and IPDI (isophorone diisocyanate
The amount of isophorone diisocyanate
was varied during the synthesis.
Bayer MaterialScience (BMS) announced in January that it is building a plant at Leverkuscn, Germany, to make hexamethylenc diisocyanate (HDI) and isophorone diisocyanate
(IPDE), which are used mainly as raw materials for high-quality low-solvent polyurethane topcoats for automobiles.
The most common of these are hexamethylene diisocyanate (HDI) or isophorone diisocyanate
The isophorone diisocyanate
(IPDI, l-isocyanato-3-isocyanatomethyl-3,5,5-trimethyl cyclohexane), blocked with methyl ethyl ketoxime (MEKO), can be used as a raw material for polyester-based coatings.
This behavior is similar to other previously reported systems including those based in isophorone diisocyanate
(34-36) and 2,2-bis(hydroxy-methyl) propionic acid (dimethylolpropionic acid) (30).
IPDI stands for isophorone diisocyanate
. In addition to shampoos, Dermothix 75 may be used as a clarifier for sodium stearate soaps.
A hexamethylene diisocyanate (HDI) hardener ensures good crosslinking and resistance properties of the resultant coatings, while an isophorone diisocyanate
(IPDI) hardener accelerates physical drying.