# US 7,410,703 B2 · Method for production of a sealed coating for surfaces of buildings comprising a cross-linked sealed silicone membrane, adhesive and ready-to-use kit for application of said method

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- Number: US 7,410,703 B2
- Document ID: US7410703B2
- Status: Granted
- Kind: B2
- Application number: 10/481,502
- Filed: 2002-07-01
- Published: 2004-11-25
- Granted: 2008-08-12
- Earliest claimed: 2001-06-29
- Assignees: Henkel AG & Co. KGaA
- Inventors: Yves Giraud; Sylvie Michiels
- Web page: https://patentgrep.com/patent/US7410703B2

## CPC

- B32B 27/12: next to a fibrous or filamentary layer
- B32B 3/10: characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B 7/12: using interposed adhesives or interposed materials with bonding properties
- B32B 27/18: characterised by the use of special additives
- B32B 27/20: using fillers, pigments, thixotroping agents
- B32B 27/26: using curing agents
- C09D 183/04: Polysiloxanes
- E04F 13/00: Coverings or linings, e.g. for walls or ceilings (flooring E04F15/00; decoration of surfaces, mosaic work B44, e.g. paper-hanging B44C7/00; made of webs, e.g. of fabrics or wallpaper {, as such, or their manufacturing} D03D, D04G, D04H, D06N, D21H; construction of {false} ceilings E04B9/00; roofings or similar water-tight coverings against precipitation E04D)
- E04F 15/00: Flooring (stair treads E04F11/104; coverings not specially adapted for floors E04F13/00; borders, skirtings E04F19/02; {implements for laying flooring E04F21/20;} gratings for cleaning soles of footwear A47L23/24; {built-in gratings E04F19/10; removing floor coverings E04G23/00; carpets A47G27/00;} of similar materials to roads E01C; basic or rough floors {, structural floors} E04B5/00)
- B32B 2419/00: Buildings or parts thereof
- Y10T 428/31663: As siloxane, silicone or silane
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D)
- E04F: FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS (windows, doors E06B)
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

The invention relates to a method for production of a sealed surface coating, for buildings (floor/wall/ceiling), of the type where a series of layers, or elements are fixed on the surface, comprising, starting from the surface, optionally at least one primer adhesive layer, at least one watertight polymer membrane, (optionally at least one woven or non-woven fibrous material layer), at least one layer of adhesive and at least one external cover, characterised in that (a) the sealed membrane is chosen from those which may be obtained from a an aqueous dispersion of silicone oil(s), (b) the adhesive applied comprises at least one adhesion promoter (C′), (c) the aqueous dispersion of silicone oil(s) is applied as a film to the surface, (d) the cross-linking of the silicone layer occurs subsequently, preferably at an ambient temperature, (e) the application of at last one layer of adhesive with added adhesion promoter (C′) is then applied, preferably by surface coating on the cross-linked silicone film and finally the external cover is applied.

## Claims

### Claim 1

A method of producing an impermeable surface lining for buildings, the method comprising fixing, to a building surface, a superposition of layers or of elements comprising, starting from the surface:
optionally, at least one layer of adhesion primer;
at least one water-impermeable polymeric membrane;
optionally, at least one sheet of woven or nonwoven fibrous material;
at least one layer of adhesive;
at least one external covering;
wherein:
a. the impermeable membrane is obtained from an aqueous dispersion of silicone oil(s) comprising:
-A- 100 parts by weight of at least one organopolysiloxane oil (A) that can crosslink by condensation, if necessary in the presence of a crosslinking agent (B), made of an elastomer,
-A′- optionally, up to 30 parts by weight of at least one unreactive organopolysiloxane oil,
-B- if necessary, from 0.1 to 100 parts by weight of at least one crosslinking agent (B),
-C- optionally, up to 50 parts by weight of at least one adhesion promoter (C),
-D- up to 200 parts by dry weight of at least one filler (D),
-E- a catalytically effective amount of a catalytic curing compound (E), optionally up to three parts by weight,
-F- at least one emulsifier (F),
-G- optionally, at least one functional additive (G) and
-H- water;
b. the adhesive employed includes at least one adhesion promoter (C′);
c. the aqueous silicone oil(s) dispersion is applied as a film to the surface;
d. the crosslinking of the silicone film then takes place, preferably at room temperature;
e. at least one layer of adhesive, to which the adhesion promoter C′ has been added, is then applied, by coating it onto the crosslinked silicone film; and then, finally
f. the external covering is laid, wherein the external covering is a tile.

### Claim 2 (depends on 1)

The method as claimed in claim 1, wherein the amount of adhesion promoter (C′) in the adhesive is less than 20% by weight.

### Claim 3 (depends on 1)

The method as claimed in claim 1, wherein the adhesion promoter (C′) is identical to (C) when (C) is present.

### Claim 4 (depends on 1)

The method as claimed in claim 1, wherein the adhesion promoter (C) and/or (C′) is a water-soluble compound capable of being dissolved in water at a temperature of 25° C. in an amount of at least 5% by weight, and selected from silanes and/or hydroxylated POSs carrying, per molecule, at least one hydroxyl group and at least one hydrophilic substrate-anchoring functional group (Fsa), and from mixtures of these products, said Fsa functional groups, which are identical or different from one another, comprising the following functional groups: amino, epoxy, acrylo, methacrylo, ureido, mercapto, thiol or chloroalkyl.

### Claim 5 (depends on 1)

The method as claimed in claim 1, wherein the adhesion promoter (C) or (C′) is:
a linear hydroxylated polydiorganosiloxane having D and/or MD siloxyl units and/or a hydroxylated POS resin comprising T and optionally M and/or D and/or Q siloxyl units or else Q and M and/or D and/or T siloxyl units; and/or
a silane having as formula:
(R5)cSi(R)4-c
in which formula:
c is 0, 1 or 2;
the radicals R5 are identical or different and represent alkyl, aminoalkyl, polyaminoalkyl, epoxyalkyl or alkenyl aliphatic organic groups comprising from 1 to 13 carbon atoms, or aryl aromatic groups comprising from 6 to 13 carbon atoms; and
the radical R is an OH group.

### Claim 6 (depends on 1)

The method as claimed in claim 1, wherein the oils (A) have as generic formula (I):
in which formula:
a is 0 or 1;
b is 0 or 1;
with a+b=0, 1 or 2;
n has a value high enough to give the polymer of formula (a) the desired viscosity;
the R radicals are identical or different and represent:
an OH group with a+b=2,
an alkoxy or alkenyloxy group comprising from 1 to 10 carbon atoms;
an aryloxy group comprising from 6 to 13 carbon atoms,
an acyloxy group comprising from 1 to 13 carbon atoms,
a ketiminoxy group comprising from 1 to 8 carbon atoms or
an amino-functional or amido-functional group comprising from 1 to 6 carbon atoms, linked to the silicon via an Si—N bond;
the R1 and R2 radicals are identical or different and represent alkyl or alkenyl aliphatic organic groups comprising from 1 to 10 carbon atoms, phenyl aromatic groups, said groups being optionally substituted with halogen atoms or cyano groups;
the R3 and R4 radicals are identical or different and represent alkyl, aminoalkyl, polyaminoalkyl, epoxyalkyl or alkenyl aliphatic organic groups comprising from 1 to 13 carbon atoms, or aryl aromatic groups comprising from 6 to 13 carbon atoms;
optionally, at least 80% of the radicals R1 to R4 representing a methyl group and at least two condensable functional groups, being present per molecule; and in that:
the adhesion promoter (C) when present acts as a crosslinker, by itself or in combination with the crosslinking agent (B) formed by:
sodium silicate, an alkali metal organosiliconate, a silsesquioxane resin microemulsion, a reactive silicone resin of low molecular mass having alkoxy and acyloxy groups, a silicone resin of high mass insoluble in toluene, at least one hydroxylated silicone resin having, per molecule, at least two different siloxyl units selected from those of the M, D, T and Q type; at least one being a T or a Q; an alkoxysilane, an alkylaminosilane, an alkylamidosilane; siliconates, silicates and silicas (in powder or colloidal form); and in that:
the catalytic curing compound (E) is a tin derivative used in amounts optionally up to 0.05 to 1 part by weight per 100 parts of oil (A).

### Claim 7 (depends on 1)

The method as claimed in claim 1, wherein the surface is made of wood and in that the superposition includes no primer.

### Claim 8

A method of producing an impermeable surface lining for buildings, the method comprising fixing, to a building surface, a superposition of layers or of elements comprising, starting from the surface:
optionally, at least one layer of adhesion primer;
at least one water-impermeable polymeric membrane;
optionally, at least one sheet of woven or nonwoven fibrous material;
at least one layer of adhesive;
at least one external covering;
wherein:
a. the impermeable membrane is obtained from an aqueous dispersion of silicone oil(s) comprising:
-A- 100 parts by weight of at least one organopolysiloxane oil (A) that can crosslink by condensation, if necessary in the presence of a crosslinking agent (B), made of an elastomer,
-A′- optionally, up to 30 parts by weight of at least one unreactive organopolysiloxane oil,
-B- if necessary, from 0.1 to 100 parts by weight of at least one crosslinking agent (B),
-C- optionally, up to 50 parts by weight of at least one adhesion promoter (C),
-D- up to 200 parts by dry weight of at least one filler (D),
-E- a catalytically effective amount of a catalytic curing compound (E), optionally up to three parts by weight,
-F- at least one emulsifier (F),
-G- optionally, at least one functional additive (G) and
-H- water;
b. the adhesive employed includes at least one adhesion promoter (C′);
c. the aqueous silicone oil(s) dispersion is applied as a film to the surface;
d. the crosslinking of the silicone film then takes place, preferably at room temperature;
e. at least one layer of adhesive, to which the adhesion promoter C′ has been added, is then applied, by coating it onto the crosslinked silicone film; and then, finally
f. the external covering is laid, wherein the adhesive employed is prepared by mixing a powder part with a liquid dispersant, and in that the adhesion promoter (C′) is incorporated into the liquid dispersant.

### Claim 9

A method of producing an impermeable surface lining for buildings, the method comprising fixing, to a building surface, a superposition of layers or of elements comprising, starting from the surface:
optionally, at least one layer of adhesion primer;
at least one water-impermeable polymeric membrane;
optionally, at least one sheet of woven or nonwoven fibrous material;
at least one layer of adhesive;
at least one external covering;
wherein:
a. the impermeable membrane is obtained from an aqueous dispersion of silicone oil(s) comprising:
-A- 100 parts by weight of at least one organopolysiloxane oil (A) that can crosslink by condensation, if necessary in the presence of a crosslinking agent (B), made of an elastomer,
-A′- optionally, up to 30 parts by weight of at least one unreactive organopolysiloxane oil,
-B- if necessary, from 0.1 to 100 parts by weight of at least one crosslinking agent (B),
-C- optionally, up to 50 parts by weight of at least one adhesion promoter (C),
-D- up to 200 parts by dry weight of at least one filler (D),
-E- a catalytically effective amount of a catalytic curing compound (E), optionally up to three parts by weight,
-F- at least one emulsifier (F),
-G- optionally, at least one functional additive (G) and
-H- water;
b. the adhesive employed includes at least one adhesion promoter (C′);
c. the aqueous silicone oil(s) dispersion is applied as a film to the surface;
d. the crosslinking of the silicone film then takes place, preferably at room temperature;
e. at least one layer of adhesive, to which the adhesion promoter C′ has been added, is then applied, by coating it onto the crosslinked silicone film; and then, finally
f. the external covering is laid, wherein the adhesive used has the following composition (in parts by weight):
hydraulic cement
100
mineral binder with organic or
100-300
inorganic additive(s)
adhesion promoter (C′)
1-50
water
20-100.

### Claim 10 (depends on 9)

The method as claimed in claim 9, wherein the mineral binder comprises at least one compound selected from the group consisting of a siliceous sand, a cellulose derivative, a calcareous filler, an acrylic resin in dispersion, a specific adjuvant and mixtures thereof.

### Claim 11

A method of producing an impermeable surface lining for buildings, the method comprising fixing, to a building surface, a superposition of layers or of elements comprising, starting from the surface:
optionally, at least one layer of adhesion primer;
at least one water-impermeable polymeric membrane;
optionally, at least one sheet of woven or nonwoven fibrous material;
at least one layer of adhesive;
at least one external covering;
wherein:
a. the impermeable membrane is obtained from an aqueous dispersion of silicone oil(s) comprising:
-A- 100 parts by weight of at least one organopolysiloxane oil (A) that can crosslink by condensation, if necessary in the presence of a crosslinking agent (B), made of an elastomer,
-A′- optionally, up to 30 parts by weight of at least one unreactive organopolysiloxane oil,
-B- if necessary, from 0.1 to 100 parts by weight of at least one crosslinking agent (B),
-C- optionally, up to 50 parts by weight of at least one adhesion promoter (C),
-D- up to 200 parts by dry weight of at least one filler (D),
-E- a catalytically effective amount of a catalytic curing compound (E), optionally up to three parts by weight,
-F- at least one emulsifier (F),
-G- optionally, at least one functional additive (G) and
-H- water;
b. the adhesive employed includes at least one adhesion promoter (C′);
c. the aqueous silicone oil(s) dispersion is applied as a film to the surface;
d. the crosslinking of the silicone film then takes place, preferably at room temperature;
e. at least one layer of adhesive, to which the adhesion promoter C′ has been added, is then applied, by coating it onto the crosslinked silicone film; and then, finally
f. the external covering is laid, wherein the external covering is a tile selected from the group consisting of a clay tile, a terracotta tile, a white quartz tile, and an inorganic resin adjuvant tile.