Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB878705801Aexternal-prioritypatent/GB8705801D0/en
Application filed by Ici Americas Inc E Imperial ChfiledCriticalIci Americas Inc E Imperial Ch
Publication of MX170646BpublicationCriticalpatent/MX170646B/en
La presente invención se refiere a una composición de poliisocianato que comprende un producto de reacción de un exceso estequiométrico de un poliisocianato orgánico y: i) un poliol polimérico que tiene una funcionalidad de hidroxilo nominal promedio de más de 2 y un peso equivalente de hidroxilo promedio de aproximadamente 500 a aproximadamente 5000 y ii) una polioamina polimérica que tiene una funcionalidad de amino primario y/o secundario nominal, promedio, de aproximadamente 2 a aproximadamente 3 y un peso equivalente de amina, promedio, de aproximadamente 500 a aproximadamente 5000 teniendo el poliol y la poliamina temperaturas de transición del vidrio por debajo de la temperatura ambiente.The present invention relates to a polyisocyanate composition comprising a reaction product of a stoichiometric excess of an organic polyisocyanate and: i) a polymeric polyol having an average nominal hydroxyl functionality of more than 2 and an average hydroxyl equivalent weight from about 500 to about 5000 and ii) a polymeric polyamine having an average nominal and / or secondary amino functionality of about 2 to about 3 and an average amine equivalent weight of about 500 to about 5000 having the polyol and polyamine glass transition temperatures below ambient temperature.