Amine polyurethane-based coatings

Amicure . [Air Prods.] Amine-based catalyst for coatings, adhesives, sealants crosslinker for polyurethane coatings accelerator. 

A number of modern industrial processes are based on the catalytic carbonyl at 1 on of organic substrates by carbon monoxide. ll In contrast, the application of carbon monoxide as reductant in organic synthesis is confined to relatively few exampl es. 2l In recent years the catalytic carbonyl at I on of nitro compounds has become a ery intense field of research. This is due to the fact that 3 series of industrially important compounds can be obtained - om nitro compounds and carbon monoxide in a single step azo compounds, amides, amines, oximes, ureas, urethanes and isocyanates [ 3] and indoles. Ureas and urethanes are important final products and intermediates in the synthesis of ert ll eps and pesticides. On the other hand mono and di-1 socyanates are very important intermed 1 a es in the manu-i-acture of pesticides, polyurethane foam plastics, synthetic leather, adhesives and coatings. 

Figure 3.9 Reaction of polyethers with p-toluene sulfonic acid - gas chromatography. Gas chromatogram of reaction products of polyurethane polyethers (1) propylene glycol diacetate (2) glycerol triacetate (3) trimethylpropane triacetate (4) triethylanolamine triacetate (5) pentaerythritol tetracetate. Gas chromatographic conditions column 1 m x 3 mm, coated with 15% FFAQ on Uniport B, oven 170 °C chart speed 1 cm/s. (b) Gas chromatogram of reaction products of polyurethane polyethers based on amines (1) pyropylene glycol diacetate (2) derivative from 1,2 diaminoethane (3) derivative from 2,2 -diaminodiethylamine. Gas chromatographic conditions Column 1 m x 3 mm packed with 15% SE-30 on Uniport B oven 230 "C chart speed, 1 cm/min.

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