Purmaq - Comércio de Sistemas de Poliuretano Lda - Poliuretano


PURMAQ Lda- Poliuretano

Polyurethanes are formed by reacting a polyol with a diisocyanate or a polymeric isocyanate in the presence of suitable catalysts and additives.

The origin of polyurethane dates back to the beginning of World War II (1937) where it is was first developed. On this history period, polyurethane coatings were used for the impregnation of paper and the manufacture of mustard gas resistant garments and chemical and corrosion resistant coatings to protect metal and wood.

By the end of the war, polyurethane coatings were being manufactured and used on an industrial scale and could be custom formulated for specific applications.

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