POLYMER COMPOSITION FOR ATTACHMENT OF ANCHOR BOLTS IN CONCRETE Russian patent published in 1997 - IPC

FIELD: attachment of anchor bolts in concrete, gluing of concrete and reinforced constructions. SUBSTANCE: composition comprises, mass %: powder of waste of substance, 20-30; substance, 20-25; benzoyl peroxide, 0.5-1.0; dimethylaniline, 0.5-1.2; copolymer of butylacrylate, substance, styrene and substance acid, 5-9; crushed mica, 11-17; quartz sand, the balance. Duration of jointing with the help of composition at 20 C is 23 min; adhesion to concrete is up to 15.7 MPa, relative elongation at tension is up to 0.95 %; tensile strength in 28 days at bending and at tension is up 37.9 MPa and up to 35.1 MPa, respectively; losses of strength in samples at their bending in oil during 60 days is up to 1.53 %. EFFECT: improved attachment of anchor bolts in concrete, improved gluing of concrete and reinforced constructions. 2 tbl