CN111117526A - Water-based adhesive for building material bonding and preparation method thereof - Google Patents
Water-based adhesive for building material bonding and preparation method thereof Download PDFInfo
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- CN111117526A CN111117526A CN201911396686.XA CN201911396686A CN111117526A CN 111117526 A CN111117526 A CN 111117526A CN 201911396686 A CN201911396686 A CN 201911396686A CN 111117526 A CN111117526 A CN 111117526A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J129/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Adhesives based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Adhesives based on derivatives of such polymers
- C09J129/02—Homopolymers or copolymers of unsaturated alcohols
- C09J129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J139/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Adhesives based on derivatives of such polymers
- C09J139/04—Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
- C09J139/06—Homopolymers or copolymers of N-vinyl-pyrrolidones
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a water-based adhesive for building material bonding, which comprises the following raw materials in parts by weight: 20-30 parts of barrier resin, 10-16 parts of a pre-polymerization agent, 1-5 parts of a nano inorganic substance, 4-8 parts of a leveling tackifier, 6-10 parts of alkyl phosphate modified polyvinyl alcohol, 8-12 parts of an inorganic filler, 12-16 parts of a thermosetting emulsion, 11-15 parts of a thermoplastic emulsion, 1-5 parts of a wetting agent, 2-6 parts of a dispersing agent, 1-5 parts of a mildew preventive, 10-20 parts of water, 4-8 parts of a soybean protein dispersion liquid and 5-11 parts of a vinyl acetate-ethylene copolymer emulsion; the water-based adhesive is water-soluble and does not contain organic sticking and hair components, thereby being beneficial to environmental protection and personal protection of constructors; the synergistic effect between each base material component and other additive components of the water-based adhesive endows the adhesive with acid resistance, alkali resistance, chemical resistance and better stability.
Description
Technical Field
The invention relates to a water-based adhesive, in particular to a water-based adhesive for building material bonding and a preparation method thereof.
Background
Since the birth of synthetic adhesives, the development of the adhesives has been rapidly accelerated due to the obvious superiority of the adhesives in the aspects of properties, bonding, assembly performance and the like. The synthetic adhesive industry has become one of the important branches of national economy now, and is an indispensable component for manufacturing various products. The adhesive is mainly divided into an organic adhesive and a water-based adhesive, wherein the organic adhesive contains a large amount of organic solvent, so that the yield of the adhesive is gradually reduced due to the problems of toxicity and environmental pollution caused in the using process, and the water-based adhesive becomes a leading variety in the adhesive due to the advantages of low price, environmental friendliness and the like, and becomes one of the key points of the industrial research of the adhesive.
The water-based adhesive is widely applied to bonding of woodenware, plywood, cement mortar, paper, cloth, leather and the like, and the existing adhesive has large brittleness and is easy to re-bond.
Disclosure of Invention
The invention aims to provide a water-based adhesive for building material bonding and a preparation method thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a water-based adhesive for building material bonding comprises the following raw materials in parts by weight: 20-30 parts of barrier resin, 10-16 parts of a pre-polymerization agent, 1-5 parts of a nano inorganic substance, 4-8 parts of a leveling tackifier, 6-10 parts of alkyl phosphate modified polyvinyl alcohol, 8-12 parts of an inorganic filler, 12-16 parts of a thermosetting emulsion, 11-15 parts of a thermoplastic emulsion, 1-5 parts of a wetting agent, 2-6 parts of a dispersing agent, 1-5 parts of a mildew preventive, 10-20 parts of water, 4-8 parts of a soybean protein dispersion liquid and 5-11 parts of a vinyl acetate-ethylene copolymer emulsion.
As a further scheme of the invention: the feed comprises the following raw materials in parts by weight: 22-28 parts of barrier resin, 12-14 parts of a pre-polymerization agent, 2-4 parts of a nano inorganic substance, 5-7 parts of a leveling tackifier, 7-9 parts of alkyl phosphate modified polyvinyl alcohol, 9-11 parts of an inorganic filler, 13-15 parts of a thermosetting emulsion, 12-14 parts of a thermoplastic emulsion, 2-4 parts of a wetting agent, 3-5 parts of a dispersing agent, 2-4 parts of a mildew preventive, 12-18 parts of water, 5-7 parts of a soybean protein dispersion liquid and 6-10 parts of a vinyl acetate-ethylene copolymer emulsion.
As a further scheme of the invention: the feed comprises the following raw materials in parts by weight: 15 parts of barrier resin, 13 parts of prepolymer, 3 parts of nano inorganic matter, 6 parts of leveling tackifier, 8 parts of alkyl phosphoric acid modified polyvinyl alcohol, 10 parts of inorganic filler, 14 parts of thermosetting emulsion, 13 parts of thermoplastic emulsion, 3 parts of wetting agent, 4 parts of dispersing agent, 3 parts of mildew preventive, 15 parts of water, 6 parts of soybean protein dispersion liquid and 8 parts of vinyl acetate-ethylene copolymer emulsion.
As a further scheme of the invention: the barrier resin is selected from: polyvinyl alcohol, polyvinyl pyrrolidone, and mixtures thereof.
As a further scheme of the invention: the prepolymerization agent is selected from: epoxy resins, polyurethanes, saturated polyesters, ethylene aminated acrylic polymers, polyester resins, polyethyleneimines, urea, melamine resins, polyamide epichlorohydrin resins, ammonia-epichlorohydrin resins, water-soluble alkyd resins, kemp's resins, and any combination thereof.
As a further scheme of the invention: the nano silicon oxide, the nano aluminum oxide, the nano titanium oxide, the nano zinc oxide, the nano silver oxide, the graphene, the nano montmorillonite, the nano talcum powder, the nano calcium carbonate, the nano clay and any combination thereof.
As a further scheme of the invention: the flat tackifier is selected from: ethanol, methanol, isopropanol, butanol, an ethylene glycol ether, a propylene glycol ether, vinyl pyrrolidone, a polyol, cellulose, chitosan, chitin, acrylamide, caprolactam, and any combination thereof.
As a further scheme of the invention: the thermosetting emulsion is a mixture of thermosetting acrylic emulsion and thermosetting polyurethane emulsion.
As a further scheme of the invention: the thermoplastic emulsion is a mixture of thermoplastic polyurethane emulsion, rosin emulsion and polyvinylpyrrolidone.
The preparation method of the water-based adhesive for building material bonding comprises the following steps:
1) weighing the raw materials according to the proportion;
2) mixing barrier resin, a pre-polymerization agent, a nano inorganic substance and alkyl phosphoric acid modified polyvinyl alcohol to obtain a mixture A;
3) mixing inorganic filler, thermosetting emulsion, thermoplastic emulsion and vinyl acetate-ethylene copolymer emulsion to obtain a mixture B;
4) and mixing the mixture A and the mixture B, and then adding a leveling tackifier, a wetting agent, a dispersing agent, a mildew preventive, water and a soybean protein dispersion liquid to finally obtain the required water-based adhesive.
Compared with the prior art, the invention has the beneficial effects that:
(1) the water-based adhesive has simple process and convenient operation; (2) the water-based adhesive is water-soluble and does not contain organic hair-cutting components, thereby being beneficial to environmental protection and personal protection of constructors; (3) the synergistic effect of the base material components and other additive components of the aqueous adhesive of the invention endows the adhesive of the invention with acid resistance, alkali resistance, chemical resistance and better stability.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
In the embodiment of the invention, the water-based adhesive for building material bonding comprises the following raw materials in parts by weight: 20 parts of barrier resin, 10 parts of prepolymer, 1 part of nano inorganic matter, 4 parts of leveling tackifier, 6 parts of alkyl phosphoric acid modified polyvinyl alcohol, 8 parts of inorganic filler, 12 parts of thermosetting emulsion, 11 parts of thermoplastic emulsion, 1 part of wetting agent, 2 parts of dispersing agent, 1 part of mildew preventive, 10 parts of water, 4 parts of soybean protein dispersion liquid and 5 parts of vinyl acetate-ethylene copolymer emulsion.
Wherein the barrier resin is selected from: polyvinyl alcohol, polyvinyl pyrrolidone, and mixtures thereof.
The prepolymerization agent is selected from: epoxy resins, polyurethanes, saturated polyesters, ethylene aminated acrylic polymers, polyester resins, polyethyleneimines, urea, melamine resins, polyamide epichlorohydrin resins, ammonia-epichlorohydrin resins, water-soluble alkyd resins, kemp's resins, and any combination thereof.
The nano silicon oxide, the nano aluminum oxide, the nano titanium oxide, the nano zinc oxide, the nano silver oxide, the graphene, the nano montmorillonite, the nano talcum powder, the nano calcium carbonate, the nano clay and any combination thereof.
The flat tackifier is selected from: ethanol, methanol, isopropanol, butanol, an ethylene glycol ether, a propylene glycol ether, vinyl pyrrolidone, a polyol, cellulose, chitosan, chitin, acrylamide, caprolactam, and any combination thereof.
The thermosetting emulsion is a mixture of thermosetting acrylic emulsion and thermosetting polyurethane emulsion.
The thermoplastic emulsion is a mixture of thermoplastic polyurethane emulsion, rosin emulsion and polyvinylpyrrolidone.
In the embodiment, the preparation method of the water-based adhesive for building material bonding comprises the following steps:
1) weighing the raw materials according to the proportion;
2) mixing barrier resin, a pre-polymerization agent, a nano inorganic substance and alkyl phosphoric acid modified polyvinyl alcohol to obtain a mixture A;
3) mixing inorganic filler, thermosetting emulsion, thermoplastic emulsion and vinyl acetate-ethylene copolymer emulsion to obtain a mixture B;
4) and mixing the mixture A and the mixture B, and then adding a leveling tackifier, a wetting agent, a dispersing agent, a mildew preventive, water and a soybean protein dispersion liquid to finally obtain the required water-based adhesive.
Example 2
In the embodiment of the invention, the water-based adhesive for building material bonding comprises the following raw materials in parts by weight: 22 parts of barrier resin, 12 parts of prepolymer, 2 parts of nano inorganic matter, 5 parts of leveling tackifier, 7 parts of alkyl phosphoric acid modified polyvinyl alcohol, 9 parts of inorganic filler, 13 parts of thermosetting emulsion, 12 parts of thermoplastic emulsion, 2 parts of wetting agent, 3 parts of dispersing agent, 2 parts of mildew preventive, 12 parts of water, 5 parts of soybean protein dispersion liquid and 6 parts of vinyl acetate-ethylene copolymer emulsion.
Wherein the barrier resin is selected from: polyvinyl alcohol, polyvinyl pyrrolidone, and mixtures thereof.
The prepolymerization agent is selected from: epoxy resins, polyurethanes, saturated polyesters, ethylene aminated acrylic polymers, polyester resins, polyethyleneimines, urea, melamine resins, polyamide epichlorohydrin resins, ammonia-epichlorohydrin resins, water-soluble alkyd resins, kemp's resins, and any combination thereof.
The nano silicon oxide, the nano aluminum oxide, the nano titanium oxide, the nano zinc oxide, the nano silver oxide, the graphene, the nano montmorillonite, the nano talcum powder, the nano calcium carbonate, the nano clay and any combination thereof.
The flat tackifier is selected from: ethanol, methanol, isopropanol, butanol, an ethylene glycol ether, a propylene glycol ether, vinyl pyrrolidone, a polyol, cellulose, chitosan, chitin, acrylamide, caprolactam, and any combination thereof.
The thermosetting emulsion is a mixture of thermosetting acrylic emulsion and thermosetting polyurethane emulsion.
The thermoplastic emulsion is a mixture of thermoplastic polyurethane emulsion, rosin emulsion and polyvinylpyrrolidone.
In the embodiment, the preparation method of the water-based adhesive for building material bonding comprises the following steps:
1) weighing the raw materials according to the proportion;
2) mixing barrier resin, a pre-polymerization agent, a nano inorganic substance and alkyl phosphoric acid modified polyvinyl alcohol to obtain a mixture A;
3) mixing inorganic filler, thermosetting emulsion, thermoplastic emulsion and vinyl acetate-ethylene copolymer emulsion to obtain a mixture B;
4) and mixing the mixture A and the mixture B, and then adding a leveling tackifier, a wetting agent, a dispersing agent, a mildew preventive, water and a soybean protein dispersion liquid to finally obtain the required water-based adhesive.
Example 3
In the embodiment of the invention, the water-based adhesive for building material bonding comprises the following raw materials in parts by weight: 15 parts of barrier resin, 13 parts of prepolymer, 3 parts of nano inorganic matter, 6 parts of leveling tackifier, 8 parts of alkyl phosphoric acid modified polyvinyl alcohol, 10 parts of inorganic filler, 14 parts of thermosetting emulsion, 13 parts of thermoplastic emulsion, 3 parts of wetting agent, 4 parts of dispersing agent, 3 parts of mildew preventive, 15 parts of water, 6 parts of soybean protein dispersion liquid and 8 parts of vinyl acetate-ethylene copolymer emulsion.
Wherein the barrier resin is selected from: polyvinyl alcohol, polyvinyl pyrrolidone, and mixtures thereof.
The prepolymerization agent is selected from: epoxy resins, polyurethanes, saturated polyesters, ethylene aminated acrylic polymers, polyester resins, polyethyleneimines, urea, melamine resins, polyamide epichlorohydrin resins, ammonia-epichlorohydrin resins, water-soluble alkyd resins, kemp's resins, and any combination thereof.
The nano silicon oxide, the nano aluminum oxide, the nano titanium oxide, the nano zinc oxide, the nano silver oxide, the graphene, the nano montmorillonite, the nano talcum powder, the nano calcium carbonate, the nano clay and any combination thereof.
The flat tackifier is selected from: ethanol, methanol, isopropanol, butanol, an ethylene glycol ether, a propylene glycol ether, vinyl pyrrolidone, a polyol, cellulose, chitosan, chitin, acrylamide, caprolactam, and any combination thereof.
The thermosetting emulsion is a mixture of thermosetting acrylic emulsion and thermosetting polyurethane emulsion.
The thermoplastic emulsion is a mixture of thermoplastic polyurethane emulsion, rosin emulsion and polyvinylpyrrolidone.
In the embodiment, the preparation method of the water-based adhesive for building material bonding comprises the following steps:
1) weighing the raw materials according to the proportion;
2) mixing barrier resin, a pre-polymerization agent, a nano inorganic substance and alkyl phosphoric acid modified polyvinyl alcohol to obtain a mixture A;
3) mixing inorganic filler, thermosetting emulsion, thermoplastic emulsion and vinyl acetate-ethylene copolymer emulsion to obtain a mixture B;
4) and mixing the mixture A and the mixture B, and then adding a leveling tackifier, a wetting agent, a dispersing agent, a mildew preventive, water and a soybean protein dispersion liquid to finally obtain the required water-based adhesive.
Example 4
In the embodiment of the invention, the water-based adhesive for building material bonding comprises the following raw materials in parts by weight: 28 parts of barrier resin, 14 parts of prepolymer, 4 parts of nano inorganic matter, 7 parts of leveling tackifier, 9 parts of alkyl phosphoric acid modified polyvinyl alcohol, 11 parts of inorganic filler, 15 parts of thermosetting emulsion, 14 parts of thermoplastic emulsion, 4 parts of wetting agent, 5 parts of dispersing agent, 4 parts of mildew preventive, 18 parts of water, 7 parts of soybean protein dispersion liquid and 10 parts of vinyl acetate-ethylene copolymer emulsion.
Wherein the barrier resin is selected from: polyvinyl alcohol, polyvinyl pyrrolidone, and mixtures thereof.
The prepolymerization agent is selected from: epoxy resins, polyurethanes, saturated polyesters, ethylene aminated acrylic polymers, polyester resins, polyethyleneimines, urea, melamine resins, polyamide epichlorohydrin resins, ammonia-epichlorohydrin resins, water-soluble alkyd resins, kemp's resins, and any combination thereof.
The nano silicon oxide, the nano aluminum oxide, the nano titanium oxide, the nano zinc oxide, the nano silver oxide, the graphene, the nano montmorillonite, the nano talcum powder, the nano calcium carbonate, the nano clay and any combination thereof.
The flat tackifier is selected from: ethanol, methanol, isopropanol, butanol, an ethylene glycol ether, a propylene glycol ether, vinyl pyrrolidone, a polyol, cellulose, chitosan, chitin, acrylamide, caprolactam, and any combination thereof.
The thermosetting emulsion is a mixture of thermosetting acrylic emulsion and thermosetting polyurethane emulsion.
The thermoplastic emulsion is a mixture of thermoplastic polyurethane emulsion, rosin emulsion and polyvinylpyrrolidone.
In the embodiment, the preparation method of the water-based adhesive for building material bonding comprises the following steps:
1) weighing the raw materials according to the proportion;
2) mixing barrier resin, a pre-polymerization agent, a nano inorganic substance and alkyl phosphoric acid modified polyvinyl alcohol to obtain a mixture A;
3) mixing inorganic filler, thermosetting emulsion, thermoplastic emulsion and vinyl acetate-ethylene copolymer emulsion to obtain a mixture B;
4) and mixing the mixture A and the mixture B, and then adding a leveling tackifier, a wetting agent, a dispersing agent, a mildew preventive, water and a soybean protein dispersion liquid to finally obtain the required water-based adhesive.
Example 5
In the embodiment of the invention, the water-based adhesive for building material bonding comprises the following raw materials in parts by weight: 30 parts of barrier resin, 16 parts of prepolymer, 5 parts of nano inorganic matter, 8 parts of leveling tackifier, 10 parts of alkyl phosphoric acid modified polyvinyl alcohol, 12 parts of inorganic filler, 16 parts of thermosetting emulsion, 15 parts of thermoplastic emulsion, 5 parts of wetting agent, 6 parts of dispersing agent, 5 parts of mildew preventive, 20 parts of water, 8 parts of soybean protein dispersion liquid and 11 parts of vinyl acetate-ethylene copolymer emulsion.
Wherein the barrier resin is selected from: polyvinyl alcohol, polyvinyl pyrrolidone, and mixtures thereof.
The prepolymerization agent is selected from: epoxy resins, polyurethanes, saturated polyesters, ethylene aminated acrylic polymers, polyester resins, polyethyleneimines, urea, melamine resins, polyamide epichlorohydrin resins, ammonia-epichlorohydrin resins, water-soluble alkyd resins, kemp's resins, and any combination thereof.
The nano silicon oxide, the nano aluminum oxide, the nano titanium oxide, the nano zinc oxide, the nano silver oxide, the graphene, the nano montmorillonite, the nano talcum powder, the nano calcium carbonate, the nano clay and any combination thereof.
The flat tackifier is selected from: ethanol, methanol, isopropanol, butanol, an ethylene glycol ether, a propylene glycol ether, vinyl pyrrolidone, a polyol, cellulose, chitosan, chitin, acrylamide, caprolactam, and any combination thereof.
The thermosetting emulsion is a mixture of thermosetting acrylic emulsion and thermosetting polyurethane emulsion.
The thermoplastic emulsion is a mixture of thermoplastic polyurethane emulsion, rosin emulsion and polyvinylpyrrolidone.
In the embodiment, the preparation method of the water-based adhesive for building material bonding comprises the following steps:
1) weighing the raw materials according to the proportion;
2) mixing barrier resin, a pre-polymerization agent, a nano inorganic substance and alkyl phosphoric acid modified polyvinyl alcohol to obtain a mixture A;
3) mixing inorganic filler, thermosetting emulsion, thermoplastic emulsion and vinyl acetate-ethylene copolymer emulsion to obtain a mixture B;
4) and mixing the mixture A and the mixture B, and then adding a leveling tackifier, a wetting agent, a dispersing agent, a mildew preventive, water and a soybean protein dispersion liquid to finally obtain the required water-based adhesive.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The water-based adhesive for bonding building materials is characterized by comprising the following raw materials in parts by weight: 20-30 parts of barrier resin, 10-16 parts of a pre-polymerization agent, 1-5 parts of a nano inorganic substance, 4-8 parts of a leveling tackifier, 6-10 parts of alkyl phosphate modified polyvinyl alcohol, 8-12 parts of an inorganic filler, 12-16 parts of a thermosetting emulsion, 11-15 parts of a thermoplastic emulsion, 1-5 parts of a wetting agent, 2-6 parts of a dispersing agent, 1-5 parts of a mildew preventive, 10-20 parts of water, 4-8 parts of a soybean protein dispersion liquid and 5-11 parts of a vinyl acetate-ethylene copolymer emulsion.
2. A water-based adhesive for bonding building materials according to claim 1, which comprises the following raw materials in parts by weight: 22-28 parts of barrier resin, 12-14 parts of a pre-polymerization agent, 2-4 parts of a nano inorganic substance, 5-7 parts of a leveling tackifier, 7-9 parts of alkyl phosphate modified polyvinyl alcohol, 9-11 parts of an inorganic filler, 13-15 parts of a thermosetting emulsion, 12-14 parts of a thermoplastic emulsion, 2-4 parts of a wetting agent, 3-5 parts of a dispersing agent, 2-4 parts of a mildew preventive, 12-18 parts of water, 5-7 parts of a soybean protein dispersion liquid and 6-10 parts of a vinyl acetate-ethylene copolymer emulsion.
3. The aqueous adhesive for building material bonding according to claim 2, which comprises the following raw materials in parts by weight: 15 parts of barrier resin, 13 parts of prepolymer, 3 parts of nano inorganic matter, 6 parts of leveling tackifier, 8 parts of alkyl phosphoric acid modified polyvinyl alcohol, 10 parts of inorganic filler, 14 parts of thermosetting emulsion, 13 parts of thermoplastic emulsion, 3 parts of wetting agent, 4 parts of dispersing agent, 3 parts of mildew preventive, 15 parts of water, 6 parts of soybean protein dispersion liquid and 8 parts of vinyl acetate-ethylene copolymer emulsion.
4. A water-based adhesive for building adhesion as defined in claim 1, wherein the barrier resin is selected from the group consisting of: polyvinyl alcohol, polyvinyl pyrrolidone, and mixtures thereof.
5. An aqueous adhesive for building adhesion as defined in claim 1, wherein the prepolymer is selected from the group consisting of: epoxy resins, polyurethanes, saturated polyesters, ethylene aminated acrylic polymers, polyester resins, polyethyleneimines, urea, melamine resins, polyamide epichlorohydrin resins, ammonia-epichlorohydrin resins, water-soluble alkyd resins, kemp's resins, and any combination thereof.
6. The water-based adhesive for bonding building materials according to claim 1, wherein the nano-silica, nano-alumina, nano-titania, nano-zinc oxide, nano-silver oxide, graphene, nano-montmorillonite, nano-talc, nano-calcium carbonate, nano-clay, and any combination thereof.
7. An aqueous adhesive for building adhesion according to claim 1, wherein the flat adhesion promoter is selected from the group consisting of: ethanol, methanol, isopropanol, butanol, an ethylene glycol ether, a propylene glycol ether, vinyl pyrrolidone, a polyol, cellulose, chitosan, chitin, acrylamide, caprolactam, and any combination thereof.
8. An aqueous adhesive for building material bonding according to claim 1, wherein the thermosetting emulsion is a mixture of a thermosetting acrylic emulsion and a thermosetting polyurethane emulsion.
9. An aqueous adhesive for building adhesion as defined in claim 1, wherein the thermoplastic emulsion is a mixture of a thermoplastic polyurethane emulsion, a rosin emulsion and polyvinylpyrrolidone.
10. A process for preparing an aqueous adhesive for building material bonding according to any one of claims 1 to 9, which comprises the steps of:
1) weighing the raw materials according to the proportion;
2) mixing barrier resin, a pre-polymerization agent, a nano inorganic substance and alkyl phosphoric acid modified polyvinyl alcohol to obtain a mixture A;
3) mixing inorganic filler, thermosetting emulsion, thermoplastic emulsion and vinyl acetate-ethylene copolymer emulsion to obtain a mixture B;
4) and mixing the mixture A and the mixture B, and then adding a leveling tackifier, a wetting agent, a dispersing agent, a mildew preventive, water and a soybean protein dispersion liquid to finally obtain the required water-based adhesive.
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| CN116144296A (en) * | 2023-01-06 | 2023-05-23 | 银川七彩涂饰有限公司 | Low-temperature-resistant zero-formaldehyde water-based adhesive and preparation process thereof |
| CN116144296B (en) * | 2023-01-06 | 2023-11-10 | 银川七彩涂饰有限公司 | Low-temperature-resistant zero-formaldehyde water-based adhesive and preparation process thereof |
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