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
Application filed by îNTREPRINDEREA DE SPUME POLIURETANICEfiledCriticalîNTREPRINDEREA DE SPUME POLIURETANICE
Priority to RO1988136515ApriorityCriticalpatent/RO102229A2/ro
Publication of RO102229B1publicationCriticalpatent/RO102229B1/ro
Publication of RO102229A2publicationCriticalpatent/RO102229A2/ro
Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products
(AREA)
Abstract
Prezenta inventie se refera la un elastomer microcelular poliuretanic cu caracteristici fizico-mecanice, conform cerintelor impuse de industria aeronautica. Elastomerul se obtine din 100 parti poliolpolieter preamextecat cu 0,5...1 parti apa, 0,8..1,2 parti poliorganisiloxan modificat, 0,3...0,3 parti trietilendiamina 0,2..0,4 parti dimetilaminoetanol 0,2...0,4 parti bis-(dimetilaminoetil)-eter, 4..18 parti tricluorfluormetab bromurat si reactionat cu un fdiizocianat aromatic de tip metilendifenildiizocianat corespunzator unui index de izocinat de 100...105.
RO1988136515A1988-12-161988-12-16Elastomer poliuretanic rigid pentru industria aeronautica
RO102229A2
(ro)
Process for glueing crude materials containing lignocellulose by the use of a prepolymer on the basis of a urethane-modified diphenylmethane diisocyanate mixture
Process for the modification of the hydrolysis resistance of saturated urethane elastomers, compositions for carrying out this process and products obtained