SU783277A1 - Polymer-concrete mix - Google Patents

Description

(54) POLYMERBETON MIXTURE The invention relates to building materials, namely to the production of high-strength chemically resistant polymer mixtures used in the manufacture of building materials for the manufacture of chemically resistant coating of block structures, slabs, seamless floors, tanks and tanks, as well as for the repair of building materials. designs. A well-known polymer concrete mixture, including a complex vysmo-molecular bond, initiating system, a plasticizer and a PCC filler, is the most close to the invention in technical essence and achievable results is a structured building material consisting of a mixed aggregate and a binder, taken in a ratio of 1.5 -1: 4.5-1, wherein the binder is a mixture of 7.520% by weight of unsaturated polyester and 10-3% by weight of olymerizable monomer (preferably styrene) with 55-80% by weight of mineral filler. Polyether is a condensation product of g / schol with a mixture of | b-unsaturated dicarboxylic acids, a catalytic system (up to 4%): a mixture of benzene peroxide (catalyst) and dimethylaniline (accelerator) T2. The disadvantages of these mixtures are high internal stresses, unsatisfactory mechanical strength and resistance to organic solvents. The purpose of the invention is to reduce internal stresses, increase compressive strength and bending, and increase resistance to organic solvents. This goal is achieved by the fact that a polymer-concrete mixture, including copolymerizable monomer, unsaturated polyether, initiator, accelerator, polymerization and mineral filler, contains methylmethacrylate as a copolymer of cegos monomer, as an unsaturated polyether, a mixture of aligene polymethacrylates, an aspirant, an aspirant, and an aspirant, an aspirant, an aspirant, an aspirant, an aspirinate, an aspirant, an aspirant, an aspirant, an aspirant, an aspirinate, an aspirinate, an aspirinate, an aspirinate, an aspirant nzopropylbenzene, and as an accelerator - 0,240, 25% solution of vanadium pentoxide in tributyl phosphate at the following ratio of components, weight. Methyl methacrylate 5.65-7.5 Blend oligoefI 19.35-22.5 rakrilat Hydroperoxide isopropyl aola 1, 0-4.0 0.2 4-0.2 5% solution of vanadium pentoxide in tributyl phosphate 0, 5-2, 0 Mineral filler The remaining mixture of oligoester acrylates contains оС., / - dimethacrylatetrioxysilane and pC, | / dimethacrylate- (bis-triethylene glycol phthalate in a ratio of 1: 2. 7, 4 Using separate grades of oligoether acrylates as the main component of the reference component of the core component of the core component of the reference component, 7, 7, 4, 4). properties required for the polymer concrete mix. Table 1 gives specific Examples of formulations of the proposed polymer concrete mixture: 1 The mixture is prepared as follows: Combine the metered components of the binder (methyl methacrylate and oligoester acrylates), with a constant displacement, the necessary amounts of initiator and accelerator are introduced.The finished binder is mixed with a filler to get a homogeneous mass, The resulting mixtures characterized by physicomechanical properties, presented in table 2. Table 1

Methyl methacrylate

.

Oligomer:

o-, N1 -dimethacrylate- (bis-triSpecific weight, g / cm n Durability, kg / cm 550-650 3500 when compressed ZOO when bending

5.65 6.32

7.5

Table 2 2.062, OO 00 980 1040 1013 344338 332

Internal stress, kg / cm

Claims (2)

Resistance in organic solvents Formula of the Invention A polymer-based mixture of vitacocha copolymerisation monomer, unsaturated polyester, an initiator, a polymerization accelerator and a mineral filler, characterized in that, to reduce internal stresses, increase compressive and bend strength, decrease, compressive and bend strength, increase, compressive and bend, increase, decrease compressive and bend strength, decrease, compressive and bend strength, increase, compressive and bend strength, increase, compressive and bend, increase, decrease compressive strength and bend, increase, compressive and bend strength, decrease, compressive and bend strength, increase; to the action of organic solvents, it contains methacrylate as a copolymerized monomer, a mixture of oligoether acrylates as unsaturated, polyether, as an initiator according to them In hydrogenation, isopropylbenzene hydroperoxide, and O, 24-O as a accelerator, a 25% solution of vanadium pentoxide in tributyl phosphate in the following ratio of components, wt.%: Methyl methacrylate5.65-7.5 Oligoether acrylate mixture. 19.35- 22.5 Continued table. 2 11.0 9.0 1O, 5 40-5O Hydroperoxide of iopropylbenzene 1, O-4.0 0.24-O, 25% solution of vanadium pentoxide in tributyl phosphate0, 5-2.0 Mineral surfactantEverything else, and the mixture of oligoether acrylates contains o, -dimethacrylate trioxyethylene, and 4J - dimethacrylate- {bis-three these flax glycol) -ft lat in a ratio of 1: 2. , Sources of information taken into account during the examination 1. Authors certificate of the USSR 362274, cl. C 04 B 25 / O2, 3.07.71. 2. The patent of England N 1292034, cl. From 04 To 25/06, 1972.