Binder compositions and uses thereof

Patent metadata

Field	Value
Publication number	US-11945883-B2
Application number	US-202217721298-A
Country	US
Kind code	B2
Filing date	Apr 14, 2022
Priority date	Oct 30, 2015
Publication date	Apr 2, 2024
Grant date	Apr 2, 2024

Abstract

The present invention relates to new aqueous curable binder compositions comprising a carbohydrate compound, a first cross linker and a second cross linker different from the first capable of undergoing radical polymerization and possibly a free radical initiator.

First claim

The invention claimed is:

1. An aqueous curable binder composition comprising a carbohydrate compound, a first cross-linker selected from a carboxyl function bearing compound which forms esters with the carbohydrate compound, a second cross-linker, the second cross-linker being different from the first and being capable of undergoing radical polymerization, and optionally a free radical initiator; wherein the carboxyl function bearing compound is selected from a monomeric polycarboxylic acid, and wherein the second cross-linker capable of undergoing radical polymerization is selected from an acrylamide monomer and a methacrylamides monomer, an acrylate monomer and a methacrylate monomer, an acrylic acid and its salts, acrylonitrile, a carbohydrate monomer, maleimide, and mixtures thereof.

2. The aqueous curable binder composition of claim 1 characterized by one or more of the following features:
wherein the aqueous binder composition further comprises a reaction product resulting from crosslinking between the carbohydrate compound and the first cross-linker;
wherein the carbohydrate compound is selected from a monosaccharide and/or a polysaccharide;
wherein the carbohydrate compound is selected from a monosaccharide and/or a polysaccharide and wherein the polysaccharide comprises at least two saccharide units and up to 10 6 saccharide units;
wherein the carbohydrate compound is selected from a monosaccharide and/or a polysaccharide and wherein the polysaccharide is selected from native starch, carboxymethyl starch, hydroxyalkyl starch, cationic starch, amphoteric starch, a starch acetate, a starch phosphate, starch octenyl succinate, a starch copolymer, partially hydrolysed starch, acid modified starch, oxide modified starch, dextrin, and chitin.

3. The aqueous curable binder composition of claim 1 , wherein the carboxyl function bearing compound is a monomeric polycarboxylic acid selected from a dicarboxylic acid and a tricarboxylic acid, an unsaturated aliphatic polycarboxylic acid, a saturated aliphatic polycarboxylic acid, an aromatic polycarboxylic acid, an unsaturated cyclic polycarboxylic acid and a saturated cyclic polycarboxylic acid, optionally substituted with hydroxy, halo, amino, alkyl, carboxy, alkoxy, anhydrides, salt, esters and mixtures thereof.

4. The aqueous curable binder composition of claim 1 , wherein the composition further comprises one or more free radical initiator for initiation of cross-linking reactions between saccharide residues in the carbohydrate compound and the second cross-linker.

5. The aqueous curable binder composition of claim 1 , wherein the second cross-linker is selected from an acrylamide monomer and a methacrylamide monomer which comprises alkylacrylamide, N-tert-Butylacrylamide, Diacetone acrylamide, N,N-Diethylacrylamide, N,N-Diethylmethacrylamide, N,N-Dimethylacrylamide, N-[3-(Dimethylamino)propyl]methacrylamide, N-Diphenylmethylacryl-amide, N-Ethylacrylamide, N,N′-Hexamethylenebis(methacrylamide), N-Hydroxyethyl acrylamide, N-(Hydroxymethyl)acrylamide, N-(2-Hydroxypropyl)-2-methyl-prop-2-enamide, N-(Isobutoxymethyl)-acrylamide, N-Isopropylacrylamide, N-Isopropylmethacrylamide, Methacrylamide, N-(3-Methoxypropyl)acrylamide, N-Phenylacrylamide, 2-Acrylamido-2-methyl-1-propanesulfonic acid and its salts, 3-(Acrylamido)phenylboronic acid, N-Acryloylamidoethoxyethanol, N-(Triphenylmethyl)-methacrylamide or N-[Tris(hydroxymethyl)methyl]-acrylamide.

6. The aqueous curable binder composition of claim 1 , wherein the second cross-linker is selected from an acrylate monomer which comprises 4-Acetoxyphenethyl acrylate, 4-Acryloylmorpholine, Butyl acrylate, 2-(4-Benzoyl-3-hydroxyphenoxy)ethyl acrylate, Benzyl 2-propylacrylate, tert-Butyl acrylate, 2-[[(Butylamino)carbonyl]oxy]ethyl acrylate, 4-tert-Butylcyclohexyl acrylate, 2-Carboxyethyl acrylate, 2-(Diethylamino)ethyl acrylate, Di(ethylene glycol) ethyl ether acrylate, Di(ethylene glycol) 2-ethylhexyl ether acrylate, 2-(Dimethylamino)ethyl acrylate, 3-(Dimethylamino)propyl acrylate, Dipentaerythritol penta-/hexa-acrylate, Ethyl acrylate, Ethyl cis-((3-cyano)acrylate, Ethylene glycol dicyclopentenyl ether acrylate, ethylene glycol methyl ether acrylate, Ethylene glycol phenyl ether acrylate, Ethyl 2-ethylacrylate, 2-Ethylhexyl acrylate, Ethyl 2-propylacrylate, Ethyl 2-(trimethylsilylmethyl)acrylate, Hexyl acrylate, 4-Hydroxybutyl acrylate, 2-Hydroxyethyl acrylate, 2-Hydroxy-3-phenoxypropyl acrylate, Hydroxypropyl acrylate, Isobutyl acrylate, Isodecyl acrylate, Isooctyl acrylate, Lauryl acrylate, Methyl 2-acetamidoacrylate, Methyl acrylate, Methyl 3-hydroxy-2-methylenebutyrate, Octadecyl acrylate, Poly(ethylene glycol) acrylate, Poly(ethylene glycol) diacrylate, Poly(ethylene glycol) methyl ether acrylate, Poly(propylene glycol) acrylate, 3-Sulfopropyl acrylate and salts, Tetrahydrofurfuryl acrylate, 2-Tetrahydropyranyl acrylate, 3-(Trimethoxysilyl)propyl acrylate, 3,5,5-Trimethylhexyl acrylate, 10-Undecenyl acrylate, or Urethane acrylate methacrylate.

7. The aqueous curable binder composition of claim 1 , wherein the second cross-linker is selected from a methacrylate monomer which comprises Allyl methacrylate, Aminoethyl methacrylate, 2-[3-(2H-Benzotriazol-2-yl)-4-hydroxyphenyl] ethyl methacrylate, Benzyl methacrylate, Bis(2-methacryloyl)oxyethyl di sulphide, Bis(2-methacryloyl)oxyethyl di sulphide, 2-(2-Bromoisobutyryloxy)ethyl methacrylate, 2-(tert-Butylamino)ethyl methacrylate, Butyl methacrylate, tert-Butyl methacrylate, Carbazole-9-ethylmethacrylate, 3-Chloro-2-hydroxypropyl methacrylate, Cyclohexyl methacrylate, 2-(Diethylamino)ethyl methacrylate, Diethylene glycol butyl ether methacrylate, Di(ethylene glycol) methyl ether methacrylate, 2-(Diisopropylamino)ethyl methacrylate, 2-(Dim ethyl amino)ethyl methacrylate, 2-Ethoxyethyl methacrylate, Ethylene glycol dicyclopentenyl ether methacrylate, Ethylene glycol methacrylate phosphate, Ethylene glycol methyl ether methacrylate, Ethylene glycol phenyl ether methacrylate, Ethylhexyl methacrylate, Ethyl methacrylate, Furfuryl methacrylate, Glycidyl methacrylate, Glycosyloxyethyl methacrylate, Hexyl methacrylate, Hydroxybutyl methacrylate, Hydroxyethyl methacrylate, Hydroxypropyl methacrylate, hydroxypropyl methacrylates, 2-Hydroxypropyl 2-(methacryloyl oxy)ethyl phthalate, 2-Hydroxy-3-{3-[2,4,6,8-tetramethyl-4,6,8-tris(propyl glycidyl ether)-2-cyclotetrasiloxanyl]propoxy}propyl meth acrylate, Isobutyl methacrylate, 2-Isocyanatoethyl methacrylate, Isodecyl methacrylate, Lauryl methacrylate, Methacrylic acid N-hydroxysuccinimide ester, Methyl methacrylate, 2-(Methylthio)ethyl methacrylate, mono-2-(Methacryloyloxy)ethyl maleate, mono-2-(Methacryloyloxy)ethyl succinate, 2-N-Morpholinoethyl methacrylate, Naphthyl methacrylate, 2-(2-Oxo-1-imidazolidinyl)ethyl methacrylate, Pentabromophenyl methacrylate, 1,4-Phenyl ene dimethacrylate, Phenyl methacrylate, Phosphoric acid 2-hydroxyethyl methacrylate ester, Poly(ethylene glycol) behenyl ether methacrylate, Poly(propylene glycol) methacrylate, Propyl methacrylate, 1-Pyrenemethyl methacrylate, Stearyl methacrylate, 3-Sulfopropyl methacrylate and salts, 3-(Trimethoxysilyl)propyl methacrylate, 3,3,5-Trimethylcyclohexyl methacrylate, (Trimethylsilyl)methacrylate, Urethane acrylate methacrylate, Urethane epoxy methacrylate, or Vinyl methacrylate.

8. The aqueous curable binder composition of claim 1 , wherein the second cross-linker is selected from an acrylic which comprises 3-(Acryloyloxy)-2-hydroxypropyl methacrylate, Bis[2-(methacryloyloxy)ethyl] phosphate, Bisphenol A propoxylate diacrylate, 1,3- or 4-Butanediol diacrylate, 1,3 or 4-Butanediol dimethacrylate, N,N′-(1,2-Dihydroxyethylene)bisacrylamide, Di(ethylene glycol)dimethacrylate, Di(trimethylolpropane) tetraacrylate, Diurethane dimethacrylate, N,

Assignees

• Knauf Insulation Sprl

Inventors

• Hampson Carl
• Khan Ferdous

Classifications

• C08B31/003 Primary

  Crosslinking of starch · CPC title

• B27N3/002

  characterised by the type of binder (compositions of macromolecular compounds C08L) · CPC title

• C08J3/28

  Treatment by wave energy or particle radiation · CPC title

• C08J5/04

  Reinforcing macromolecular compounds with loose or coherent fibrous material · CPC title

• C08J5/045

  with vegetable or animal fibrous material · CPC title