Use of foam mortar as adhesive for floorings

Patent metadata

Field	Value
Publication number	US-2024199501-A1
Application number	US-202118288835-A
Country	US
Kind code	A1
Filing date	May 10, 2021
Priority date	May 10, 2021
Publication date	Jun 20, 2024
Grant date	—

Abstract

Use of a foam mortar as a bonding agent for floorings, includes the foam mortar containing protective colloid-stabilized polymers of ethylenically unsaturated monomers.

First claim

1 - 13 . (canceled)

14 . The use of foam mortar as bonding agent for floorings, said foam mortar comprising protective colloid-stabilized polymers of ethylenically unsaturated monomers and one or more air entrainers selected from the group encompassing ammonium salts and alkali metal salts of hydrogencarbonates and carbonates, with the proviso that the foam mortar contains no fillers.

15 . The use of foam mortar as bonding agent for floorings as claimed in claim 14 , wherein the foam mortars are based on one or more foam stabilizers, cement, one or more protective colloid-stabilized polymers of ethylenically unsaturated monomers in the form of aqueous dispersions or water-redispersible powders, one or more air entrainers and optionally one or more additives.

16 . The use of foam mortar as bonding agent for floorings as claimed in claim 14 , wherein the foam mortars comprise sodium hydrogencarbonate as air entrainer.

17 . The use of foam mortar as bonding agent for floorings as claimed in claim 15 , wherein the foam stabilizers selected are
one or more surfactants selected from the group encompassing olefinsulfonic acids; fatty acids or salts thereof; fatty alcohols; alkylphenols or hydroxyalkylphenols; alkyl and alkylaryl ether sulfates; alkylsulfonates, alkylarylsulfonates; esters or monoesters of sulfosuccinic acid; phosphoric acid partial esters; alkyl polyglycol ethers; alkylaryl polyglycol ethers; ethylene oxide/propylene oxide (EO/PO) block copolymers; N-methyltauride; fatty acid alkylolamides; amine oxides; or phosphine oxides; sodium cocoyl dimethylaminoacetate; sulfobetaine and phosphoric esters; and/or one or more polymers selected from the group encompassing polyvinyl alcohols; polyvinyl acetals; polyvinylpyrrolidones; polysaccharides in water-soluble form; lignosulfonates; poly(meth)acrylic acid; copolymers of (meth)acrylates with carboxyl-functional comonomer units; poly(meth)acrylamide; polyvinylsulfonic acids and water-soluble copolymers thereof, melamine-formaldehydesulfonates; naphthalene-formaldehydesulfonates; styrene-maleic acid copolymers; and vinyl ether-maleic acid copolymers; and/or one or more proteins selected from the group encompassing casein, caseinate, soy protein; gelatin; and other proteins obtainable by protein hydrolysis of animal proteins; and/or enzymes of biotechnological origin.

18 . The use of foam mortar as bonding agent for floorings as claimed in claim 14 , wherein the foam mortars comprise one or more foam stabilizers selected from the group encompassing olefinsulfonic acids; fatty acids having 16 to 18 carbon atoms or salts thereof, fatty alcohols having 10 to 18 carbon atoms; alkylphenols or hydroxyalkylphenols having alkyl chains with 10 to 18 carbon atoms; alkyl and alkylaryl ether sulfates having 8 to 18 carbon atoms in the hydrophobic radical and 1 to 50 ethylene oxide units; alkylsulfonates having 8 to 18 carbon atoms; alkylarylsulfonates having alkyl radicals with 8 to 18 carbon atoms; and esters or monoesters of sulfosuccinic acid.

19 . The use of foam mortar as bonding agent for floorings as claimed in claim 14 , wherein the foam mortars are based on 5% to 40% by weight of protective colloid-stabilized polymers of ethylenically unsaturated monomers, relative to the dry weight of the foam mortars.

20 . The use of foam mortar as bonding agent for floorings as claimed in claim 14 , wherein the polymers of ethylenically unsaturated monomers are based on one or more monomers selected from the group encompassing vinyl esters, (meth)acrylic esters, vinylaromatics, olefins, 1,3-dienes and vinyl halides.

21 . The use of foam mortar as bonding agent for floorings as claimed in claim 14 , wherein polymers of ethylenically unsaturated monomers selected are one or more copolymers selected from the group encompassing copolymers with vinyl acetate and 5% to 50% by weight of ethylene; copolymers with vinyl acetate, 1% to 50% by weight of ethylene and 1% to 50% by weight of a vinyl ester of α-branched monocarboxylic acids having 9 to 11 carbon atoms; copolymers with 30% to 75% by weight of vinyl acetate, 1% to 30% by weight of vinyl laurate or vinyl esters of an alpha-branched carboxylic acid having 9 to 11 carbon atoms, and also 1% to 30% by weight of (meth)acrylic esters of unbranched or branched alcohols having 1 to 15 carbon atoms which additionally contain 1% to 40% by weight of ethylene; and copolymers with vinyl acetate, 5% to 50% by weight of ethylene and 1% to 60% by weight of vinyl chloride.

22 . The use of foam mortar as bonding agent for floorings as claimed in claim 14 , wherein the foam mortars are based to an extent of 1% to 40% by weight on rapid-setting cement, relative to the total weight of the cement comprised overall, said rapid-setting cement being selected from the group encompassing aluminate cement, calcium sulfoaluminate cements and high-alumina cement.

23 . The use of foam mortar as bonding agent for floorings as claimed in claim 14 , wherein the floorings are selected from the group encompassing natural stone floorings, ceramic floorings, glass floorings and vinyl floorings.

24 . The use of foam mortar as bonding agent for floorings as claimed in claim 14 , wherein floorings are selected from the group encompassing earthenware tiles, stoneware tiles, porcelain stoneware tiles, ceramic tiles and natural tiles.

25 . A method for laying floorings, in which floorings are bonded with foam mortar as bonding agent to a substrate, said foam mortar comprising protective colloid-stabilized polymers of ethylenically unsaturated monomers and one or more air entrainers selected from the group encompassing ammonium salts and alkali metal salts of hydrogencarbonates and carbonates, with the proviso that the foam mortar contains no fillers.

Assignees

• Wacker Chemie Ag

Inventors

• Bienerth Holger
• Brummer Josef
• Eder Klaus-Jürgen
• Zeh Harald

Classifications

• C04B2111/60

  Flooring materials · CPC title

• C04B2111/40

  Porous or lightweight materials · CPC title

• C04B2111/00646

  Masonry mortars · CPC title

• C04B2103/48

  Foam stabilisers · CPC title

• C04B2103/304

  Air-entrainers · CPC title