Method for producing polyurethane auxetic foam and the polyurethane auxetic foam

摘要

process to obtain a polyurethane foam auksetycznej revealed, which is characterized by the fact that in known manner a przedmieszku0119 poliolowu0105, containing from 1 to 90 parts by weight polieteroli and / or poliestroli with molecular weight from 400 to 150000 g / mol, and the number of hydroksyl that from 10 to 700 mg koh / g and functionality from 2 to 6, from 0.01 to 15 parts by weight of a surfactant.from 0.01 to 10 parts by weight amine catalysts and organometallic, from 0.01 to 20 parts by weight of organic factors porotwu00f3rczych.a polyol is added to prepared masterbatch from 0,01 to 30 parts by weight nanonapeu0142niacza as aluminium silicate as positive, montmorillonite, and / or nanonapeu0142niacza in form of graphene oxide and / or reduced graphene oxide, after which the mixture so obtained reakcyj who is homogenised.and then mixed with izocyjanianowym factor corresponding to index ic from 0.6 to 3. polyurethane foam so obtained is subjected to a compression process termokompresji volume from 0.1 to 10 at the temperature of 30 to 400u00b0c in time from 10 to 300 minutes, and then foam cooling. the subject of the invention is also auksetyczna polyurethane foam.