WO1992007804A1 - Flexible concrete - Google Patents
Flexible concrete Download PDFInfo
- Publication number
- WO1992007804A1 WO1992007804A1 PCT/CH1991/000216 CH9100216W WO9207804A1 WO 1992007804 A1 WO1992007804 A1 WO 1992007804A1 CH 9100216 W CH9100216 W CH 9100216W WO 9207804 A1 WO9207804 A1 WO 9207804A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- aggregates
- concrete according
- concrete
- styrene
- cement
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/50—Flexible or elastic materials
Definitions
- the present invention relates to flexible concrete, containing polyester resin and aggregates.
- the object of the present invention was to find a concrete having great flexibility as well as improved elongation at break.
- the saturated acid to unsaturated acid ratio determines the flexibility of an unsaturated polyester resin and in particular its resistance to elongation.
- a promoter in particular a tertiary amine
- the base mixture contains a promoter in the form of a di-methyl-para-toluidine.
- the base mixture may contain an emulsion of a styrene-acrylate copolymer mixed with a styrene homopolymer and a copolymer of vinyl acetate and polyvinyl versatate.
- the resin is formed from:
- the first two components being present preferably in a proportion 2: 1 to 5: 1 (weight), and the third component being in molecular excess relative to the first two components, while the fourth component being preferably present, by compared to the other components, in a molecular proportion of 0.6 to 1.5.
- weight preferably in a proportion 2: 1 to 5: 1 (weight)
- fourth component being preferably present, by compared to the other components, in a molecular proportion of 0.6 to 1.5.
- the saturated acid to unsaturated acid ratio determines the flexibility of an unsaturated polyester resin and in particular its resistance to elongation.
- the resin obtained and polymerized had an elongation at break of 200% while the same resin formulated without caprolactone only had an 80% elongation at break.
- Resin concretes were then produced, according to the formulas of the examples below, concretes of such great flexibility that it is possible to prefabricate them and put them in a roll, and this for thicknesses which can range, for example. up to 10 millimeters.
- Example 1 Flexible, sprayable concrete.
- Part I forms the actual resin
- part II is used to control shrinkage
- Example 2 Calenderable concrete.
- This calendered concrete between 2 sheets of linear polyester (for example MELANEX), with a thickness of 2 to 3 millimeters, can be rolled up, and can be bonded to different supports.
- linear polyester for example MELANEX
- This concrete retains an elongation at break of 53.4% with a tensile strength of 2.3 to 2.4 Mpa.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Abstract
Highly flexible concrete is formed from a basic mixture of the following components: an unsaturated polyester resin; a water-diluted styrene-acrylate copolymer; a caprolactone; a promoter, particularly a tertiary amine, as required; a catalyst, as required; cement; and aggregates. Such flexible concretes have various uses, particularly in constructions which are subject to relatively strong vibration.
Description
Béton flexible Flexible concrete
La présente invention concerne un béton flexible, contenant une résine polyester et des aggregats.The present invention relates to flexible concrete, containing polyester resin and aggregates.
Les bétons actuellement préparés présentent tous des propriétés physiques relativement limitées, notamment en ce qui concerne la flexibilité. Ceci est en partie due au fait que les buts primaires que l 'on cherche à réaliser dans un béton sont sa résistance à la rupture ainsi que sa résistance à l 'allongement (on cherche en particulier à éviter un retrait). Grâce à l 'utilisation de bétons de résine, il a été possible d'obtenir un contrôle plus ou •moins satisfaisant de ces propriétés.The concretes currently prepared all have relatively limited physical properties, in particular with regard to flexibility. This is partly due to the fact that the primary goals that one seeks to achieve in a concrete are its resistance to rupture as well as its resistance to elongation (one seeks in particular to avoid shrinkage). Through the use of polymer concrete, it was possible to obtain a control or • less satisfying these properties.
Il se présente donc la possibilité de chercher à influ¬ encer certaines propriétés du béton par le choix de la résine.The possibility therefore arises of seeking to influence certain properties of concrete by the choice of resin.
Le but de la présente invention était de trouver un béton ayant une grande flexibilité ainsi qu'un allongement à la rupture amélioré.The object of the present invention was to find a concrete having great flexibility as well as improved elongation at break.
Il est connu que le rapport acide saturé sur acide in¬ saturé détermine la flexibilité d'une résine polyester insaturëe et en particulier sa résistance à l'allonge¬ ment.It is known that the saturated acid to unsaturated acid ratio determines the flexibility of an unsaturated polyester resin and in particular its resistance to elongation.
D'autre part, il a été remarqué que l 'addition d'un caprolactone à une formule donnée pour une résine améliore la flexibilité et l 'élasticité d'une résine ainsi que ses qualités de résistance chimique.
Basé sur ces deux faits, le but de la présente invention a été atteint en formant un béton à partir d'un mélange des composantes suivantes:On the other hand, it has been noted that the addition of a caprolactone to a given formula for a resin improves the flexibility and elasticity of a resin as well as its qualities of chemical resistance. Based on these two facts, the object of the present invention has been achieved by forming a concrete from a mixture of the following components:
- une résine polyester insaturée;- an unsaturated polyester resin;
- un copolymère styrene-acrylate, dilué dans de l 'eau;- a styrene-acrylate copolymer, diluted in water;
- un caprolactone;- a caprolactone;
- au besoin un promoteur, notamment une amine tertiaire;- if necessary, a promoter, in particular a tertiary amine;
- au besoin un catalyseur;- if necessary, a catalyst;
- du ciment, et- cement, and
- des aggregats.- aggregates.
De préférence le mélange de base contient un promoteur sous forme d'une di-mëthyle-para-toluidine.Preferably the base mixture contains a promoter in the form of a di-methyl-para-toluidine.
Pour la formation de la résine, le mélange de base peut contenir une ëmulsion d'un copolymère styrene-acrylate mélangé â un homopolymère du styrène et un copolymère d'acétate de vinyle et de versatate de polyvinyle.For the formation of the resin, the base mixture may contain an emulsion of a styrene-acrylate copolymer mixed with a styrene homopolymer and a copolymer of vinyl acetate and polyvinyl versatate.
Dans une forme particulière de l 'invention la résine est formée de:In a particular form of the invention, the resin is formed from:
- acide isophtalique- isophthalic acid
- anhydride maleïque- maleic anhydride
- di-éthylène glycol- di-ethylene glycol
- caprolactone monomère- monomeric caprolactone
les deux premières composantes étant présent de préfé¬ rence dans une proportion 2:1 à 5:1 (poids), et la troisième composante étant en excès moléculaire par rapport aux deux premières composantes, tandis que la quatrième composante étant présent de préférence, par rapport aux autres composantes, dans une proportion moléculaire de 0,6 à 1,5.
L'invention sera décrite plus en détail ci-après, à l 'aide de quelques exemples.the first two components being present preferably in a proportion 2: 1 to 5: 1 (weight), and the third component being in molecular excess relative to the first two components, while the fourth component being preferably present, by compared to the other components, in a molecular proportion of 0.6 to 1.5. The invention will be described in more detail below, with the aid of a few examples.
En partant des deux remarques citées plus haut, on a d'abord réalisé des résines ayant une grande flexibilité ainsi qu'un allongement à la rupture amélioré, sur la base des exemples ci-après:On the basis of the two remarks mentioned above, resins having first been made with great flexibility as well as improved elongation at break, on the basis of the examples below:
Il est connu que le rapport acide saturé sur acide insa¬ turé détermine la flexibilité d'une résine polyester in- saturëe et en particulier sa résistance à l 'allongement.It is known that the saturated acid to unsaturated acid ratio determines the flexibility of an unsaturated polyester resin and in particular its resistance to elongation.
Il a été également remarqué que l 'addition d'un caprolac¬ tone à une formule donnée améliore la flexibilité et l 'élasticité d'une résine ainsi que ses qualités de rési¬ stance chimique.It has also been noted that the addition of a caprolac¬ tone to a given formula improves the flexibility and elasticity of a resin as well as its qualities of chemical resistance.
Partant de ces deux remarques, nous avons réalisé des résines ayant une grande flexibilité ainsi qu'un allonge¬ ment à la rupture amélioré.On the basis of these two remarks, we have produced resins having great flexibility as well as an improved elongation at break.
Exemple I:Example I:
1- Acide isophtalique 333 parts par poids1- Isophthalic acid 333 parts by weight
2- Anhydride maleïque 98 parts par poids2- Maleic anhydride 98 parts by weight
3- Di-ethylène glycol 470 parts par poids3- Di-ethylene glycol 470 parts by weight
4- Caprolactone 114 parts par poids4- Caprolactone 114 parts by weight
Après esthérification jusqu'à un indice acide de 12/13 et après un "cross-1 inking" avec 30% de styrène monomère la résine obtenue, polymërisëe conventionellement, par exemple avec un promoteur de type di -mëthyl -para-tol ui - dine et un catalyseur peroxyde de benzoyle, avait un allongement à rupture de 120% alors que la même résine formulée sans la partie 4, c'est à dire sans caprolac¬ tone, n'avait qu'un allongement â rupture de 42%.
Exemp l e I I :After esterification to an acid number of 12/13 and after a "cross-1 inking" with 30% of styrene monomer the resin obtained, conventionally polymerized, for example with a promoter of the di-methyl-para-tol ui type - dine and a benzoyl peroxide catalyst, had an elongation at break of 120% while the same resin formulated without part 4, that is to say without caprolac¬ tone, had only an elongation at break of 42%. Example II:
1- Acide isophtalique 499 parts1- Isophthalic acid 499 parts
2- Anhydride maleïque 98 parts2- Maleic anhydride 98 parts
3- Di-ëthylène glycol 446 parts (excès moléculaire par rapport à 1 et 2)3- Di-ethylene glycol 446 parts (molecular excess compared to 1 and 2)
4- Caprolactone 114 parts4- Caprolactone 114 parts
Après esthérification jusqu'à un indice acide de 16/17 et "cross-1 inking" avec 30% de styrène monomère, la résine obtenue et polymërisëe possédait un allongement à la rup¬ ture de 200% alors que la même résine formulée sans caprolactone n'avait qu'un allongement à la rupture de 80%.After esterification to an acid number of 16/17 and "cross-1 inking" with 30% of monomeric styrene, the resin obtained and polymerized had an elongation at break of 200% while the same resin formulated without caprolactone only had an 80% elongation at break.
Il s'est alors avéré, qu'une résine aussi flexible conservait une partie de sa flexibilité ainsi qu'une partie de sa résistance à la rupture lorsque chargée par des aggregats (ciment, sable).It then turned out that such a flexible resin retained part of its flexibility as well as part of its breaking strength when loaded with aggregates (cement, sand).
On a alors réalisé des bétons de résine, suivant les formules des exemples ci-après, bétons d'une si grande flexibilité qu'il est possible de les prëfabriquer et de les mettre en rouleau et ce pour des épaisseurs pouvant aller p.ex. jusqu'à 10 millimètres.Resin concretes were then produced, according to the formulas of the examples below, concretes of such great flexibility that it is possible to prefabricate them and put them in a roll, and this for thicknesses which can range, for example. up to 10 millimeters.
A titre d'exemples on a pu réaliser un béton projetable adhérant au béton hydraulique, et pouvant assurer l'étanchéité du support sous différentes conditions thermiques .By way of examples, it was possible to produce a sprayable concrete adhering to hydraulic concrete, and capable of sealing the support under different thermal conditions.
Exemple 1: Béton souple, projetable.Example 1: Flexible, sprayable concrete.
Résine flex 1036Resin flex 1036
{Promoteur (D.M.P.T! 0,05
'' II < -{Promoter (DMPT! 0.05 '' II < -
Ciment 260Cement 260
Silice broyée 1500 Sable fin 1000Crushed silica 1500 Fine sand 1000
Tri-hydrate d'aluminium 150 III MEMO (silanol) 50Aluminum tri-hydrate 150 III MEMO (silanol) 50
Copolymère acétate de vinyl/ versatate polyvinyl 235 Colorant (si besoin est), 30 p.ex. Ti02 Aérosi 1 80 Peroxyde de benzoyle en poudre 40Vinyl acetate / polyvinyl versatate copolymer 235 Colorant (if necessary), 30 eg Ti02 Aerosi 1 80 Benzoyl peroxide powder 40
La partie I forme la résine proprement dite, la partie II sert à contrôler le retrait et la partie III forme les aggregats (ciment = obligatoire).Part I forms the actual resin, part II is used to control shrinkage and part III forms aggregates (cement = mandatory).
Exemple 2: Béton calandrable.Example 2: Calenderable concrete.
Résine flex 1035
Promoteur (si on travai lie 0,03 à froid)Resin flex 1035 Promoter (if working 0.03 cold)
'Emulsion copolymère styrène/ 15 II - acrylate'' Styrene / 15 II - acrylate copolymer emulsion
Eau 30Water 30
Ce béton calandre entre 2 feuilles de polyester linéaire (par exemple MELANEX), en épaisseur de 2 à 3 millimètres, peut se mettre en rouleau, et se laisse coller à diffé¬ rents supports. This calendered concrete between 2 sheets of linear polyester (for example MELANEX), with a thickness of 2 to 3 millimeters, can be rolled up, and can be bonded to different supports.
Ce béton conserve un allongement à la rupture de 53,4% avec une résistance à la traction de 2,3 à 2,4 Mpa.This concrete retains an elongation at break of 53.4% with a tensile strength of 2.3 to 2.4 Mpa.
Pour arriver à une meilleure résistance à la traction, il est possible d'incorporer, au cours du calandrage, un tissus léger de Nylon, matériau ayant un allongement à la rupture similaire à celui du béton flexible.To achieve better tensile strength, it is possible to incorporate, during calendering, a light fabric of nylon, a material having an elongation at break similar to that of flexible concrete.
En utilisant des aggregats plus grossiers, jusqu'à 0 5mm, il est possible d'obtenir des bétons possédant des quali¬ tés élastiques intéressantes avec pouvoir d'absorbtion des vibrations.By using coarser aggregates, up to 0 5mm, it is possible to obtain concretes having interesting elastic qualities with power of absorption of vibrations.
En fait, on peut utiliser toutes les formulations selon la demande de brevet concernant "béton de résine" déposée en Suisse le 10 Août 1989 sous le No. 2936/89-3, en y ajoutant une résine flexible du type décrit plus haut.
In fact, one can use all the formulations according to the patent application concerning "resin concrete" filed in Switzerland on August 10, 1989 under No. 2936 / 89-3, by adding a flexible resin of the type described above.
Claims
1. Béton flexible, contenant une résine polyester et des aggregats, caractérisé en ce qu'il est formé à partir d'un mélange des composantes suivantes:1. Flexible concrete, containing polyester resin and aggregates, characterized in that it is formed from a mixture of the following components:
- une résine polyester insaturëe;- an unsaturated polyester resin;
- un copolymère styrene-acrylate, dilué dans de l 'eau;- a styrene-acrylate copolymer, diluted in water;
- un caprolactone;- a caprolactone;
- au besoin un promoteur, notamment une amine tertiaire;- if necessary, a promoter, in particular a tertiary amine;
- au besoin un catalyseur;- if necessary, a catalyst;
- du ciment,, et- cement ,, and
- des aggregats.- aggregates.
2. Béton selon la revendication 1, caractérisé en ce que le mélange de base contient comme promoteur une di-më- thyle-para-toluidine.2. Concrete according to claim 1, characterized in that the base mixture contains, as promoter, a di-methyl-para-toluidine.
3. Béton selon l 'une des revendications 1 ou 2, caracté¬ risé en ce que le mélange de base contient une emulsion d'un copolymère styrene-acrylate mélangé à un homopoly- ère du styrène et un copolymère d'acétate de vinyle et de versatate de polyvinyle.3. Concrete according to one of claims 1 or 2, characterized in that the base mixture contains an emulsion of a styrene-acrylate copolymer mixed with a homopoly- er of styrene and a vinyl acetate copolymer and of polyvinyl versatate.
4. Béton selon la revendication 1, caractérisé en ce que la résine est formée de:4. Concrete according to claim 1, characterized in that the resin is formed from:
- aci de i sophtal i que- aci de i sophtal i que
- anhydri de mal eïque- anique de mal eïque
- di -ëthyl ène glycol- di-ethylene glycol
- capro l actone monomère- capro l monomeric actone
les deux premières composantes étant présent de prëfé- rence dans une proportion 2:1 à 5:1 (poids), et la troisième composante étant en excès moléculaire par rapport aux deux premières composantes, tandis que la quatrième composante étant présent de préférence, par rapport aux autres composantes, dans une proportion moléculaire de 0,6 à 1,5.the first two components being present preferably rence in a proportion 2: 1 to 5: 1 (weight), and the third component being in molecular excess relative to the first two components, while the fourth component being present preferably, relative to the other components, in a molecular proportion from 0.6 to 1.5.
5. Béton selon l 'une des revendications 1 à 4, caracté¬ risé en ce que les aggregats contiennent au moins du ciment.5. Concrete according to one of claims 1 to 4, caracté¬ ized in that the aggregates contain at least cement.
6. Béton selon l'une des revendications 1 à 5, caracté¬ risé en ce que les aggregats contiennent à part le ciment au moins une des matières suivantes:6. Concrete according to one of claims 1 to 5, characterized in that the aggregates contain, apart from the cement, at least one of the following materials:
- silice broyée- crushed silica
- sable fin- fine sand
- tri-hydrate d'aluminium- aluminum tri-hydrate
- silanol- silanol
- copolymère acétate de vinyl-versatate de polyvinyl- vinyl acetate-polyvinyl acetate copolymer
- colorant- dye
- aérosil- aerosol
- peroxyde de benzoyle en poudre. - powdered benzoyl peroxide.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3402/90-9 | 1990-10-24 | ||
CH340290 | 1990-10-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992007804A1 true WO1992007804A1 (en) | 1992-05-14 |
Family
ID=4255214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH1991/000216 WO1992007804A1 (en) | 1990-10-24 | 1991-10-22 | Flexible concrete |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU8667991A (en) |
WO (1) | WO1992007804A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998055420A1 (en) * | 1997-06-04 | 1998-12-10 | Clariant Gmbh | Plastic-modified air-placed concrete or mortar, method for producing and processing the same |
US6166113A (en) * | 1996-05-23 | 2000-12-26 | Wacker-Chemie Gmbh | Flexible building material compounds |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1495329A1 (en) * | 1962-10-19 | 1969-01-02 | Cement Marketing Company Ltd | Process for the production of cement-resin compounds |
DE2941842A1 (en) * | 1978-10-16 | 1980-04-17 | Huijbers Steengroothandel | Brick prodn. using aq. synthetic resin dispersion binder - together with cement, sand and water to obtain bricks with similar properties to baked clay bricks and useful in e.g. road construction |
JPS6096559A (en) * | 1983-10-27 | 1985-05-30 | ジェイエスアール株式会社 | Hydraulic composition deformable after curing |
EP0223592A2 (en) * | 1985-11-19 | 1987-05-27 | Cheng-Chong Lin | Polymer containing concrete and concrete-like compositions |
EP0251067A2 (en) * | 1986-06-19 | 1988-01-07 | Union Carbide Corporation | Fiber reinforced molding compositions providing improved surface characteristics |
EP0337931A1 (en) * | 1988-04-15 | 1989-10-18 | W.R. Grace & Co.-Conn. | Shrink controlled low-temperature-curable polyester resin compositions |
WO1991001951A1 (en) * | 1989-08-10 | 1991-02-21 | Liwibra S.A. | Method for preparing a resin concrete |
-
1991
- 1991-10-22 AU AU86679/91A patent/AU8667991A/en not_active Abandoned
- 1991-10-22 WO PCT/CH1991/000216 patent/WO1992007804A1/en unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1495329A1 (en) * | 1962-10-19 | 1969-01-02 | Cement Marketing Company Ltd | Process for the production of cement-resin compounds |
DE2941842A1 (en) * | 1978-10-16 | 1980-04-17 | Huijbers Steengroothandel | Brick prodn. using aq. synthetic resin dispersion binder - together with cement, sand and water to obtain bricks with similar properties to baked clay bricks and useful in e.g. road construction |
JPS6096559A (en) * | 1983-10-27 | 1985-05-30 | ジェイエスアール株式会社 | Hydraulic composition deformable after curing |
EP0223592A2 (en) * | 1985-11-19 | 1987-05-27 | Cheng-Chong Lin | Polymer containing concrete and concrete-like compositions |
EP0251067A2 (en) * | 1986-06-19 | 1988-01-07 | Union Carbide Corporation | Fiber reinforced molding compositions providing improved surface characteristics |
EP0337931A1 (en) * | 1988-04-15 | 1989-10-18 | W.R. Grace & Co.-Conn. | Shrink controlled low-temperature-curable polyester resin compositions |
WO1991001951A1 (en) * | 1989-08-10 | 1991-02-21 | Liwibra S.A. | Method for preparing a resin concrete |
Non-Patent Citations (1)
Title |
---|
CHEMICAL ABSTRACTS, vol. 103, no. 22, 2 Décembre 1985, Columbus, Ohio, US; abstract no. 182752X, JAPAN SYNTHETIC RUBBER CO.: 'Binder compositions having deformability after hardening.' page 297 ; voir abrégé & JP,A,60 096 559 (JAPAN SYNTHETIC RUBBER CO.) 30 Mai 1985 SA 52111 030 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6166113A (en) * | 1996-05-23 | 2000-12-26 | Wacker-Chemie Gmbh | Flexible building material compounds |
WO1998055420A1 (en) * | 1997-06-04 | 1998-12-10 | Clariant Gmbh | Plastic-modified air-placed concrete or mortar, method for producing and processing the same |
Also Published As
Publication number | Publication date |
---|---|
AU8667991A (en) | 1992-05-26 |
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