| 摘要 |
FIELD: chemistry.SUBSTANCE: disclosed is a method of producing a polymer, which includes reacting 1,6-hexanediol with dicarboxylic acids or diisocyanates in the presence of at least one catalyst, wherein the 1,6-hexanediol used is 1,6-hexanediol which, after production thereof by hydrogenation, is subjected to distillation at least once, where the molar ratio of oxygen to 1,6-hexanediol is less than 1:100, and which, during the distillation process, contains ?5 ppm of catalytically active components and less than 500 ppm of aldehyde.EFFECT: obtaining polymers having a colour index of less than 150 units APHA turbidity.8 cl, 6 ex |
