RU1825768C - Composition for filtering concrete impregnation - Google Patents
Composition for filtering concrete impregnationInfo
- Publication number
- RU1825768C RU1825768C SU914907251A SU4907251A RU1825768C RU 1825768 C RU1825768 C RU 1825768C SU 914907251 A SU914907251 A SU 914907251A SU 4907251 A SU4907251 A SU 4907251A RU 1825768 C RU1825768 C RU 1825768C
- Authority
- RU
- Russia
- Prior art keywords
- composition
- phenol
- concrete
- polyisocyanate
- epoxy
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/48—Macromolecular compounds
- C04B41/488—Other macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
- C04B41/4884—Polyurethanes; Polyisocyanates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/16—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/82—Coating or impregnation with organic materials
- C04B41/83—Macromolecular compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Сущность изобретени композици дл пропитки фильтрующего бетона преимущественно , методом иньрмиоовани содер-. жит эпоксидную диановую смолу 50-100 мае.ч.; полиизоцианат 25-60 мае ч , 2.4,6- трис(диметиламинометил)фенол 0 5-2,5 мае.ч.; фенилглицидиловыи эфир 20-50 мас.ч. Водонепроницаемость пропитанного бетона 0.6-0.8 МПа 2 таблSUMMARY OF THE INVENTION A composition for filtering concrete impregnation is predominantly made by inrushing. lives epoxy dianovy resin of 50-100 mah; polyisocyanate May 25-60, 2,4,6-tris (dimethylaminomethyl) phenol 0 5-2.5 m.h .; phenyl glycidyl ether and 20-50 parts by weight Water resistance of impregnated concrete 0.6-0.8 MPa 2 tab.
Description
Изобретение относитс к строительным материалам, в частности к композици м, используемым дл упрочнени бетона в конструкци х , преимущественно, в гидротехнических, с целью ликвидации в них фильтрации воды при проведении ре- монтно-восстановительных работ.The invention relates to building materials, in particular to compositions used for hardening concrete in structures, mainly in hydraulic structures, with the aim of eliminating water filtration in them during repair and restoration works.
Цель изобретени - повышение прочности и водонепроницаемости.The purpose of the invention is to increase strength and water resistance.
Поставленна цель достигаетс тем, что композици дл пропитки фильтрующего бетона, преимущественно, методом инъек- тировани . включающа эпоксидную диановую смолу и полиизоцианат, содержит дополнительно 2,4,6-трис(диметиламино- метил)фенол и фенилглицедиловый эфир при следующем соотношении компонентов, мас.ч.:The goal is achieved in that the composition for impregnation of filtering concrete, mainly by injection. including epoxy diane resin and polyisocyanate, additionally contains 2,4,6-tris (dimethylaminomethyl) phenol and phenylglycidyl ether in the following ratio, wt.h .:
Эпоксидна дианова смола 50-100Epoxy Dianova Resin 50-100
Полиизоцианат25-60Polyisocyanate 25-60
2,4,6-Трис(диметиламинометил )фенол0.5-2,52,4,6-Tris (dimethylaminomethyl) phenol 0.5-2.5
Фенилглицидиловыи эфир20-50Phenylglycidyl ether 20-50
Дл экспериментальной проверки за вл емой композиции были подготовлены восемь смесей ингредиентов. Дл приготовлени инъекционной композиции Eight mixtures of ingredients were prepared to experimentally test the inventive composition. For the preparation of an injection composition
использовали: эпоксидна гш смолу марки ЖЭД-20 (ГОСТ 105 / Ч) полиизоцианат марки Д (ТУ 113-03-29-6 М, представл ющий собой смесь диметилметандж-зоцианата (МДИ)иполиизоцианатов большой молекул рной массы, получаемый фосфогенированием полиамина под давлением Массова дол МДИ45-55%: фенилглицидиловыи эфир 2,4,6- трис(диметиламинометил)фенолused: epoxy resin grade ZHED-20 (GOST 105 / H) polyisocyanate grade D (TU 113-03-29-6 M, which is a mixture of dimethylmethanzocyanate (MDI) of high molecular weight polyisocyanates obtained by phosphogenesis of polyamine under pressure Mass fraction of MDI45-55%: phenylglycidyl ether 2,4,6-tris (dimethylaminomethyl) phenol
Технологи приготовлени предлагаемой композиции включает м - тедователь- ное введение в эпо ,м ю смолу полиизоцианата, фени/н лицидигкн ого эфира и 2,4,6-трис{диметилс)мич меж1)фенола и перемешивание компонентов при обычной температуре известным способом. Перемешивают композицию в течение мин.The technology for preparing the proposed composition includes the pro-active introduction of polyisocyanate, phenyl / n-lycidyl ether and 2,4,6-tris (dimethyl) mi inter 1) phenol into the epo and mild resin and mixing the components at ordinary temperature in a known manner. Mix the composition for min.
Примеры состава инъекционных композиций приведены в табл 1Examples of the composition of the injection compositions are shown in table 1
Инъектирование образцов-балочек (4x4x16)осуществл ют с избыточным давлением 1-10 МПа в зависимости от плотности бетона до полного насыщени образцов инъекционной композиции Величина равновесной влаги в порах бетона при этом не нормируютс .Injection of beam samples (4x4x16) is carried out with an excess pressure of 1-10 MPa, depending on the density of the concrete until the samples of the injection composition are completely saturated. The equilibrium moisture in the pores of the concrete is not normalized.
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После инъектировани образцы выдерживают в течение 7 суток при комнатной температуре и подвергают испытани м.After injection, the samples were incubated for 7 days at room temperature and tested.
Свойства бетонных образцов, пропитанных известной и предлагаемой компози- ци ми, представлены в табл. 2.The properties of concrete samples impregnated with the known and proposed compositions are presented in table. 2.
Повышение физико-механических свойств пропитанного бетона велучае введени в инъекционную композицию фенилглицидило- вого эфира и 2,4,б-трис(диметиламинометил)фе- нолаобъ сн етс следующим.The increase in the physicomechanical properties of the impregnated concrete is best explained by the following introduction of phenyl glycidyl ether and 2,4, b-tris (dimethylaminomethyl) phenol into the injection composition.
Фенилглицидиловыйэфир, в отличие от ацетона и перхлорэтиленэ. которые в процессе отверждени композиции испар ютс , вл етс активным, реакционноспособным разбавителем эпоксиизоцианатных систем. В процессе отверждени полимерной композиции происходит сополимеризаци фе- нилглицидилового эфира, эпоксидного олигомера и полиизоцианата по эпоксидным и изоцианэтным группам, что приводит к образованию более прочной системы, чем в случае отверждени эпоксидного олигомера с испарением инертного растворител .Phenylglycidyl ether, in contrast to acetone and perchlorethylene. which evaporate during the curing of the composition, is an active, reactive diluent for epoxyisocyanate systems. During curing of the polymer composition, the phenyl glycidyl ether, epoxy oligomer and polyisocyanate are copolymerized into epoxy and isocyanate groups, which leads to the formation of a stronger system than in the case of curing the epoxy oligomer by evaporation of an inert solvent.
Введение третичного амина в виде 2.4,6-трис(диметиламинометил)фенола при- водит к дополнительному упрочнению от- вержденного полимерного композита. Это объ сн етс тем, что 2,4,6-трис(диметилэ- минометил)фенол вл етс катализатором реакции взаимодействи эпоксидного оли- The introduction of a tertiary amine in the form of 2.4,6-tris (dimethylaminomethyl) phenol leads to additional hardening of the cured polymer composite. This is explained by the fact that 2,4,6-tris (dimethyleminomethyl) phenol is a catalyst for the reaction of the reaction of epoxy oligon
55
5 5
Q Q
5 0fifty
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гомера с фенилглицидиловым эфиром и с полииэоцианатом. Катализиру реакцию образовани эпоксиуретановых полимеров трехмерной структуры 2,4,6-трис(диметила- минометил)фенол приводит к более полному взаимодействию эпоксидных и изоцианатных групп, как следствие к более глубокому отверждению полимерной композиции и, как следствие, ее упрочнению.homer with phenylglycidyl ether and polyeocyanate. By catalyzing the reaction of the formation of epoxyurethane polymers of a three-dimensional structure, 2,4,6-tris (dimethylaminomethyl) phenol leads to a more complete interaction of the epoxy and isocyanate groups, as a result of a deeper curing of the polymer composition and, as a result, its hardening.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU914907251A RU1825768C (en) | 1991-02-04 | 1991-02-04 | Composition for filtering concrete impregnation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU914907251A RU1825768C (en) | 1991-02-04 | 1991-02-04 | Composition for filtering concrete impregnation |
Publications (1)
Publication Number | Publication Date |
---|---|
RU1825768C true RU1825768C (en) | 1993-07-07 |
Family
ID=21558276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU914907251A RU1825768C (en) | 1991-02-04 | 1991-02-04 | Composition for filtering concrete impregnation |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU1825768C (en) |
-
1991
- 1991-02-04 RU SU914907251A patent/RU1825768C/en active
Non-Patent Citations (1)
Title |
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Авторское свидетельство СССР Nfe 687081. кл. С 04 В 41/63. 1987. Авторское свидетельство СССР N 974540. кл. С 04 В 41/63. 1980. * |
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