FIELD: chemistry.
SUBSTANCE: group of inventions relates to a resin mixture and a method for its production, a component of a resin mixture (A) as an integral part for a resin mixture system containing the specified resin mixture, a resin mixture system, and the use of a resin mixture system as a means for chemical fixation of fasteners in drilled holes or for adhesion during construction. The method includes stages of: (a) obtaining base resin, which is urethane(meth)acrylate resin, from isocyanate, which is polymer methylenediphenyldiisocyanate (hereinafter – pMDI), wherein pMDI is used either directly or as prepolymer with diol or polyol, and hydroxy-functionalized (meth)acrylate selected from a group consisting of hydroxyethylmethacrylate, 2-hydroxypropylmethacrylate, 3-hydroxypropylmethacrylate, 2-hydroxybutylmethacrylate, 3-hydroxybutylmethacrylate, 2-hydroxycyclohexylmethacrylate, glycerin-1,3-dimethacrylate, glycerinmethacrylate, and mixtures of two or more of these compounds, during a time interval t1 at a temperature T1; then, immediately after the completion of the reaction of obtaining base resin; (b) mixing of the masterbatch of the resin mixture obtained at the stage (a), containing base resin, for a time interval t2 at a temperature T2; c) after the end of the time interval t2, addition of an inhibitor, wherein the specified inhibitor is piperidinyl-N-oxyl or tetrahydropyrrole-N-oxyl, or a mixture thereof, and addition of the specified inhibitor is carried out either (i) immediately after the end of the time interval t2 at the temperature T2, or (ii) after cooling of the mixture obtained at the stage (b) to a temperature T3 after the expiration of a time interval t3 starting at the end of the time interval t2; and (d) addition of an accelerator and optionally a reactive diluent prior to, simultaneously with or after addition of the inhibitor to obtain the resin mixture, wherein T2 is from 60°C±5% to 140°C±5%, and t2 is from 0.5 h±5% to 24 h±5%.
EFFECT: development of reactive resins based, in particular, on reactive resin components, which, due to their intended use, are not processed immediately, but stored, such as, for example, for chemical fixation technology, which have improved stability during storage, and reactivity of which is relatively stable, that is, their change in reactivity or change in gel formation time is reduced and preferably is in a very narrow range, or in which there is no change in reactivity or change in gel formation time.
14 cl, 4 dwg, 5 tbl, 22 ex
