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(19)

(11)

2 307 806

(13)

(51)

IPC

C04B7/52(2006-01-01)

C04B28/00(2006-01-01)

C04B22/08(2006-01-01)

C04B22/06(2006-01-01)

C04B24/38(2006-01-01)

C04B111/34(2006-01-01)

C04B103/12(2006-01-01)

(21) (22)

Application

2006106890/03, 2006-03-06

(24)

Start date

2006-03-06

(22)

Actual filing date

2006-03-06

(45)

Published

2007-10-10

(72)

Inventor

Svatovskaja Larisa BorisovnaSycheva Anastasija MaksimovnaSolov'Eva Valentina JakovlevnaPopova Elena AndreevnaDrobyshev Dmitrij IvanovichFilatov Igor' Petrovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Universitet Putej Soobshchenija"

COMPLEX ADDITIVE Russian patent published in 2007 - IPC C04B7/52 C04B28/00 C04B22/08 C04B22/06 C04B24/38 C04B111/34 C04B103/12

Abstract RU 2307806 C1

FIELD: manufacture of building materials; additives for binders in manufacture of concretes and mortars.

SUBSTANCE: proposed complex additive contains amylose, hepta magnesium sulfate - MgSO₄·7H₂O; it contains additionally aluminum hydroxide at the following ratio of components, mass-%: amylose, 10-30; magnesium sulfate, 50-60; aluminum hydroxide, 20-30.

EFFECT: reduced setting time of concrete and mortar; reduced shrinkage.

1 tbl, 1 ex

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RU 2 307 806 C1

Authors

Svatovskaja Larisa Borisovna

Sycheva Anastasija Maksimovna

Solov'Eva Valentina Jakovlevna

Popova Elena Andreevna

Drobyshev Dmitrij Ivanovich

Filatov Igor' Petrovich

Dates

2007-10-10—Published

2006-03-06—Filed