CN111909640A - Water-based environment-friendly bamboo-wood fiber board composite adhesive and preparation method thereof - Google Patents
Water-based environment-friendly bamboo-wood fiber board composite adhesive and preparation method thereof Download PDFInfo
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- CN111909640A CN111909640A CN202010901474.9A CN202010901474A CN111909640A CN 111909640 A CN111909640 A CN 111909640A CN 202010901474 A CN202010901474 A CN 202010901474A CN 111909640 A CN111909640 A CN 111909640A
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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
- C09J133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/062—Copolymers with monomers not covered by C09J133/06
- C09J133/066—Copolymers with monomers not covered by C09J133/06 containing -OH groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/26—Emulsion polymerisation with the aid of emulsifying agents anionic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1802—C2-(meth)acrylate, e.g. ethyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a water-based environment-friendly bamboo-wood fiber board composite adhesive and a preparation method thereof, wherein the water-based environment-friendly bamboo-wood fiber board composite adhesive comprises the following raw materials: acrylate (10-20 parts of ethyl acrylate, 5-10 parts of butyl acrylate, 10-20 parts of methyl methacrylate, 1-5 parts of butyl methacrylate, 1-5 parts of acrylic acid), a crosslinking agent (1-5 parts of acrylic acid-4-hydroxybutyl ester) and 50-150 parts of deionized water. The invention provides a water-based environment-friendly bamboo-wood fiber board composite adhesive, which adopts polyacrylate emulsion and is matched with tackifying resin emulsion to successfully solve the inconvenience and harm caused by adopting organic solvent in the existing similar products on the market, adopts a single-component form, and has high storage stability.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a water-based environment-friendly bamboo-wood fiber board composite adhesive and a preparation method thereof.
Background
The integrated wall surface is an important component of modern artistic home decoration, and is widely applied to various decoration places such as living rooms, restaurants, kitchens, bedrooms, KTVs, engineering and the like by virtue of the advantages of strong stereoscopic impression, rich colored patterns on the surface, heat preservation, heat insulation, sound insulation, fire prevention, water prevention, moisture prevention, environmental protection, easy cleaning, convenient installation and the like, the bamboo-wood fiber board adopts bamboo-wood fibers without formaldehyde, is safe and environment-friendly, has the expected service life of more than 20 years, is a novel integrated wallboard, needs special composite glue for laminating the bamboo-wood fiber board and membrane materials in the production process, and basically adopts polyurethane glue containing an organic solvent as a main component in the conventional composite glue, and has the defects of large smell in the production process and being not beneficial to the health of workers; the solvent is volatilized to cause certain pollution; and is inflammable when exposed to open fire; the cost is high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a water-based environment-friendly bamboo-wood fiber board composite adhesive and a preparation method thereof, and solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an aqueous environment-friendly bamboo-wood fiber board composite adhesive and a preparation method thereof, the adhesive comprises the following raw materials: acrylate (10-20 parts of ethyl acrylate, 5-10 parts of butyl acrylate, 10-20 parts of methyl methacrylate, 1-5 parts of butyl methacrylate, 1-5 parts of acrylic acid), a crosslinking agent (1-5 parts of acrylic acid-4-hydroxybutyl ester), 50-150 parts of deionized water, an emulsifier (0.1-3 parts of sodium isopropyl naphthalene sulfonate, 0.1-3 parts of sodium diisooctyl succinate sulfonate), an initiator (0.1-3 parts of ammonium persulfate), a neutralizer (0.1-3 parts of sodium bicarbonate), a molecular chain regulator (0.1-3 parts of dodecyl mercaptan), a preservative and a tackifier, and the preparation method comprises the following steps:
the first step is as follows: weighing 30-50 parts of acrylate, 0.1-3 parts of cross-linking agent, 50-70 parts of deionized water, 0.1-3 parts of emulsifier, 0.1-3 parts of initiator and 0.1-3 parts of molecular weight regulator;
the second step is that: putting the raw materials weighed in the first step into a container for mixing, and stirring the mixed materials for 2 hours at a high speed by using stirring equipment to form pre-emulsion by the fully mixed raw materials;
the third step: taking out one third of the pre-emulsion, putting the pre-emulsion into a reaction kettle, stirring the pre-emulsion in the reaction kettle by using stirring equipment, and raising the temperature of the reaction kettle to 60 ℃ in the stirring process of the pre-emulsion;
the fourth step: the color of the liquid in the pre-emulsion in the reaction kettle is gradually changed in the stirring process, and when the liquid is changed into blue and white, the remaining two thirds of the pre-emulsion is gradually and uniformly dripped into the reaction kettle within 2 hours;
the fifth step: after the residual pre-emulsion is dripped, raising the temperature of the reaction kettle to 80 ℃, and preserving the temperature for half an hour;
and a sixth step: after half an hour, cooling the temperature of the reaction kettle to 50 ℃, adding 0.1 to 3 parts of neutralizer, 0.1 to 3 parts of preservative and 1 to 10 parts of tackifier into the reaction kettle, and stirring the materials in the reaction kettle by using stirring equipment;
the seventh step: discharging after stirring evenly.
Preferably, the acrylic ester is one or a mixture of more than one of ethyl acrylate, butyl acrylate, methyl methacrylate, butyl methacrylate and acrylic acid, and the acrylic ester in the first step comprises 10-20 parts of ethyl acrylate, 5-10 parts of butyl acrylate and 10-20 parts of methyl methacrylate; 1-5 parts of butyl methacrylate; 1-5 parts of acrylic acid.
Preferably, the cross-linking agent is one or a mixture of hydroxyethyl acrylate, hydroxypropyl acrylate, acrylamide, 4-hydroxybutyl acrylate and glycidyl acrylate, and the cross-linking agent in the first step comprises 1-5 parts of 4-hydroxybutyl acrylate.
Preferably, the emulsifier is isopropyl sodium naphthalene sulfonate, diisooctyl succinate sodium sulfonate, sodium dodecyl benzene sulfonate, OP-10 and sodium vinyl sulfonate, and the emulsifier in the first step comprises 0.1-3 parts of isopropyl sodium naphthalene sulfonate and 0.1-3 parts of diisooctyl succinate sodium sulfonate
Preferably, the initiator is persulfate, azobisisobutyronitrile, tert-butyl hydroperoxide, hydrogen peroxide and benzoyl peroxide, and the initiator in the first step is 0.1-3 parts of ammonium persulfate.
Preferably, the neutralizing agent is carbonate, bicarbonate, ammonia water, organic amine or hydroxide, and the neutralizing agent in the sixth step is 0.1-3 parts of sodium bicarbonate.
Preferably, the molecular chain regulator is dodecyl mercaptan, isopropanol or sodium formate, and the molecular chain regulator in the first step is dodecyl mercaptan in 0.1-3 weight portions
Preferably, the preservative is 5-chloro-2-methyl-4-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one or 1, 2-benzisothiazolin-3-one.
Preferably, the tackifier is saponified rosin emulsion, terpene resin emulsion or rosin ester emulsion.
Preferably, in the fourth step, the particle size of the emulsion is 100-500 nm.
The beneficial effects are as follows:
the invention provides a water-based environment-friendly bamboo-wood fiber board composite adhesive, which adopts polyacrylate emulsion and is matched with tackifying resin emulsion to successfully solve the inconvenience and harm caused by adopting organic solvent in the existing similar products on the market, adopts a single-component form, and has high storage stability.
Detailed Description
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.
The invention provides a technical scheme that: an aqueous environment-friendly bamboo-wood fiber board composite adhesive and a preparation method thereof, the adhesive comprises the following raw materials: acrylate (10-20 parts of ethyl acrylate, 5-10 parts of butyl acrylate, 10-20 parts of methyl methacrylate, 1-5 parts of butyl methacrylate, 1-5 parts of acrylic acid), a crosslinking agent (1-5 parts of acrylic acid-4-hydroxybutyl ester), 50-150 parts of deionized water, an emulsifier (0.1-3 parts of sodium isopropyl naphthalene sulfonate, 0.1-3 parts of sodium diisooctyl succinate sulfonate), an initiator (0.1-3 parts of ammonium persulfate), a neutralizer (0.1-3 parts of sodium bicarbonate), a molecular chain regulator (0.1-3 parts of dodecyl mercaptan), a preservative and a tackifier, and the preparation method comprises the following steps:
the first step is as follows: weighing 30-50 parts of acrylate, 0.1-3 parts of cross-linking agent, 50-70 parts of deionized water, 0.1-3 parts of emulsifier, 0.1-3 parts of initiator and 0.1-3 parts of molecular weight regulator;
the second step is that: putting the raw materials weighed in the first step into a container for mixing, and stirring the mixed materials for 2 hours at a high speed by using stirring equipment to form pre-emulsion by the fully mixed raw materials;
the third step: taking out one third of the pre-emulsion, putting the pre-emulsion into a reaction kettle, stirring the pre-emulsion in the reaction kettle by using stirring equipment, and raising the temperature of the reaction kettle to 60 ℃ in the stirring process of the pre-emulsion;
the fourth step: the color of the liquid in the pre-emulsion in the reaction kettle is gradually changed in the stirring process, and when the liquid is changed into blue and white, the remaining two thirds of the pre-emulsion is gradually and uniformly dripped into the reaction kettle within 2 hours;
the fifth step: after the residual pre-emulsion is dripped, raising the temperature of the reaction kettle to 80 ℃, and preserving the temperature for half an hour;
and a sixth step: after half an hour, cooling the temperature of the reaction kettle to 50 ℃, adding 0.1 to 3 parts of neutralizer, 0.1 to 3 parts of preservative and 1 to 10 parts of tackifier into the reaction kettle, and stirring the materials in the reaction kettle by using stirring equipment;
the seventh step: discharging after stirring evenly.
Wherein, the acrylic ester is one or a mixture of more than one of ethyl acrylate, butyl acrylate, methyl methacrylate, butyl methacrylate and acrylic acid, and the acrylic ester in the first step comprises 10-20 parts of ethyl acrylate, 5-10 parts of butyl acrylate and 10-20 parts of methyl methacrylate; 1-5 parts of butyl methacrylate; 1-5 parts of acrylic acid.
Wherein the cross-linking agent is one or a mixture of a plurality of hydroxyethyl acrylate, hydroxypropyl acrylate, acrylamide, 4-hydroxybutyl acrylate and glycidyl acrylate, and the cross-linking agent in the first step comprises 1-5 parts of 4-hydroxybutyl acrylate.
Wherein the emulsifier is sodium isopropyl naphthalene sulfonate, sodium diisooctyl succinate sulfonate, sodium dodecyl benzene sulfonate, OP-10 and sodium vinyl sulfonate, and the emulsifier in the first step comprises 0.1-3 parts of sodium isopropyl naphthalene sulfonate and 0.1-3 parts of sodium diisooctyl succinate sulfonate
Wherein the initiator is persulfate, azobisisobutyronitrile, tert-butyl hydroperoxide, hydrogen peroxide and benzoyl peroxide, and the initiator in the first step is 0.1-3 parts of ammonium persulfate.
Wherein the neutralizing agent is carbonate, bicarbonate, ammonia water, organic amine and hydroxide, and the neutralizing agent in the sixth step is 0.1-3 parts of sodium bicarbonate.
Wherein the molecular chain regulator is dodecyl mercaptan, isopropanol or sodium formate, and the molecular chain regulator in the first step is dodecyl mercaptan in 0.1-3 weight portions
Wherein the preservative is 5-chloro-2-methyl-4-isothiazolin-3-one, 1, 2-benzisothiazolin-3-one.
Wherein the tackifier is saponified rosin emulsion, terpene resin emulsion, and rosin ester emulsion.
Wherein, in the fourth step, the particle size of the emulsion is 100-500 nm.
Working principle (operation method): if 10 parts of ethyl acrylate, 10 parts of butyl acrylate and 10 parts of methyl methacrylate are weighed; 5 parts of butyl methacrylate; acrylic acid 1 part, acrylic acid 5 parts, acrylic acid 4-hydroxybutyl ester 50 parts, deionized water 0.5 part, sodium isopropyl naphthalene sulfonate 0.1 part, potassium persulfate 0.6 part, dodecyl mercaptan 0.6 part are mixed and stirred at high speed for 2 hours to obtain pre-emulsion, one third of the pre-emulsion is placed into a reaction kettle to be stirred and heated to 60 ℃, after the liquid turns blue and white, the rest two thirds of the pre-emulsion is gradually and uniformly dripped into the reaction kettle within 2 hours, after the dripping is completed, the temperature is raised to 80 ℃, the temperature is reduced to 50 ℃, 0.1 part of sodium bicarbonate, 0.1 part of 5-chloro-2 methyl-4 isothiazoline-3 ketone and 10 parts of rosin ester emulsion are added, the materials are discharged after the uniform stirring, and the solid content of the adhesive prepared by the method is 46 percent, and the viscosity is 200 cps.
If 20 parts of ethyl acrylate, 10 parts of butyl acrylate and 5 parts of methyl methacrylate are weighed; 10 parts of butyl methacrylate; 1 part of acrylic acid, 5 parts of acrylic acid-4-hydroxybutyl ester, 50 parts of deionized water, 0.5 part of potassium persulfate, and 0.6 part of dodecyl mercaptan are mixed and stirred at a high speed for 2 hours to obtain a pre-emulsion, one third of the pre-emulsion is placed into a reaction kettle to be stirred and heated to 60 ℃, when the liquid turns blue and white, the rest two thirds of the pre-emulsion is gradually and uniformly dripped into the reaction kettle within 2 hours, after the dripping is completed, the temperature is raised to 80 ℃ for half an hour, then the temperature is reduced to 50 ℃, 0.1 part of sodium bicarbonate, 0.1 part of 5-chloro-2 methyl-4 isothiazoline-3 ketone and 10 parts of rosin ester emulsion are added. The adhesive is discharged after being stirred uniformly, and the solid content of the adhesive prepared by the method is 51 percent, and the viscosity is 500 cps.
If 5 parts of ethyl acrylate, 15 parts of butyl acrylate and 10 parts of methyl methacrylate are weighed; 5 parts of butyl methacrylate; mixing 1 part of acrylic acid, 1 part of acrylic acid-4-hydroxybutyl ester, 50 parts of deionized water, 0.5 part of potassium persulfate, and 0.6 part of dodecyl mercaptan, stirring at a high speed for 2 hours to obtain a pre-emulsion, putting one third of the pre-emulsion into a reaction kettle, stirring, heating to 60 ℃, gradually and uniformly dripping the rest two thirds of the pre-emulsion into the reaction kettle within 2 hours until the liquid turns blue and white, heating to 80 ℃ after dripping is completed, keeping the temperature for half an hour, then cooling to 50 ℃, adding 0.1 part of sodium bicarbonate, 0.1 part of 5-chloro-2 methyl-4 isothiazoline-3-one and 10 parts of rosin ester emulsion, uniformly stirring, and discharging.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The water-based environment-friendly bamboo-wood fiber board composite adhesive is characterized by comprising the following raw materials: acrylate (10-20 parts of ethyl acrylate, 5-10 parts of butyl acrylate, 10-20 parts of methyl methacrylate, 1-5 parts of butyl methacrylate, 1-5 parts of acrylic acid), a crosslinking agent (1-5 parts of acrylic acid-4-hydroxybutyl ester), 50-150 parts of deionized water, an emulsifier (0.1-3 parts of sodium isopropyl naphthalene sulfonate, 0.1-3 parts of sodium diisooctyl succinate sulfonate), an initiator (0.1-3 parts of ammonium persulfate), a neutralizer (0.1-3 parts of sodium bicarbonate), a molecular chain regulator (0.1-3 parts of dodecyl mercaptan), a preservative and a tackifier, and the preparation method comprises the following steps:
the first step is as follows: weighing 30-50 parts of acrylate, 0.1-3 parts of cross-linking agent, 50-70 parts of deionized water, 0.1-3 parts of emulsifier, 0.1-3 parts of initiator and 0.1-3 parts of molecular weight regulator;
the second step is that: putting the raw materials weighed in the first step into a container for mixing, and stirring the mixed materials for 2 hours at a high speed by using stirring equipment to form pre-emulsion by the fully mixed raw materials;
the third step: taking out one third of the pre-emulsion, putting the pre-emulsion into a reaction kettle, stirring the pre-emulsion in the reaction kettle by using stirring equipment, and raising the temperature of the reaction kettle to 60 ℃ in the stirring process of the pre-emulsion;
the fourth step: the color of the liquid in the pre-emulsion in the reaction kettle is gradually changed in the stirring process, and when the liquid is changed into blue and white, the remaining two thirds of the pre-emulsion is gradually and uniformly dripped into the reaction kettle within 2 hours;
the fifth step: after the residual pre-emulsion is dripped, raising the temperature of the reaction kettle to 80 ℃, and preserving the temperature for half an hour;
and a sixth step: after half an hour, cooling the temperature of the reaction kettle to 50 ℃, adding 0.1 to 3 parts of neutralizer, 0.1 to 3 parts of preservative and 1 to 10 parts of tackifier into the reaction kettle, and stirring the materials in the reaction kettle by using stirring equipment;
the seventh step: discharging after stirring evenly.
2. The water-based environment-friendly bamboo-wood fiber board composite adhesive and the preparation method thereof according to claim 1, wherein the adhesive is characterized in that: the acrylic ester is one or a mixture of more than one of ethyl acrylate, butyl acrylate, methyl methacrylate, butyl methacrylate and acrylic acid, and the acrylic ester in the first step comprises 10-20 parts of ethyl acrylate, 5-10 parts of butyl acrylate and 10-20 parts of methyl methacrylate; 1-5 parts of butyl methacrylate; 1-5 parts of acrylic acid.
3. The water-based environment-friendly bamboo-wood fiber board composite adhesive and the preparation method thereof according to claim 1, wherein the adhesive is characterized in that: the cross-linking agent is one or a mixture of hydroxyethyl acrylate, hydroxypropyl acrylate, acrylamide, 4-hydroxybutyl acrylate and glycidyl acrylate, and the cross-linking agent in the first step comprises 1-5 parts of 4-hydroxybutyl acrylate.
4. The water-based environment-friendly bamboo-wood fiber board composite adhesive and the preparation method thereof according to claim 1, wherein the adhesive is characterized in that: the emulsifier is isopropyl sodium naphthalene sulfonate, diisooctyl succinate sodium sulfonate, sodium dodecyl benzene sulfonate, OP-10 and sodium vinyl sulfonate, and the emulsifier in the first step comprises 0.1-3 parts of isopropyl sodium naphthalene sulfonate and 0.1-3 parts of diisooctyl succinate sodium sulfonate.
5. The water-based environment-friendly bamboo-wood fiber board composite adhesive and the preparation method thereof according to claim 1, wherein the adhesive is characterized in that: the initiator is persulfate, azobisisobutyronitrile, tert-butyl hydroperoxide, hydrogen peroxide and benzoyl peroxide, and the initiator in the first step is 0.1-3 parts of ammonium persulfate.
6. The water-based environment-friendly bamboo-wood fiber board composite adhesive and the preparation method thereof according to claim 1, wherein the adhesive is characterized in that: the neutralizer is carbonate, bicarbonate, ammonia water, organic amine and hydroxide, and the neutralizer in the sixth step is 0.1-3 parts of sodium bicarbonate.
7. The water-based environment-friendly bamboo-wood fiber board composite adhesive and the preparation method thereof according to claim 1, wherein the adhesive is characterized in that: the molecular chain regulator is dodecyl mercaptan, isopropanol or sodium formate, and the molecular chain regulator in the first step is dodecyl mercaptan in 0.1-3 weight portions.
8. The water-based environment-friendly bamboo-wood fiber board composite adhesive and the preparation method thereof according to claim 1, wherein the adhesive is characterized in that: the antiseptic is 5-chloro-2-methyl-4-isothiazoline-3-ketone, 1, 2-benzisothiazolin-3-ketone.
9. The water-based environment-friendly bamboo-wood fiber board composite adhesive and the preparation method thereof according to claim 1, wherein the adhesive is characterized in that: the tackifier is saponified rosin emulsion, terpene resin emulsion or rosin ester emulsion.
10. The water-based environment-friendly bamboo-wood fiber board composite adhesive and the preparation method thereof according to claim 1, wherein the adhesive is characterized in that: in the fourth step, the particle size of the emulsion is 100-500 nm.
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| CN202010901474.9A CN111909640A (en) | 2020-09-01 | 2020-09-01 | Water-based environment-friendly bamboo-wood fiber board composite adhesive and preparation method thereof |
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| CN202010901474.9A CN111909640A (en) | 2020-09-01 | 2020-09-01 | Water-based environment-friendly bamboo-wood fiber board composite adhesive and preparation method thereof |
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| CN1740257A (en) * | 2005-09-19 | 2006-03-01 | 北京高盟化工有限公司 | Prepn of water-base composite acrylic adhesive |
| CN102391800A (en) * | 2011-09-13 | 2012-03-28 | 北京高盟新材料股份有限公司 | Water-based flame-retardant acrylate pressure sensitive adhesive and preparation method thereof |
| CN104341547A (en) * | 2013-07-29 | 2015-02-11 | 上海富臣化工有限公司 | Polyacrylic ester sealing emulsion and preparation method thereof |
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2020
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| US20030083431A1 (en) * | 2001-11-01 | 2003-05-01 | Harris Stephen H. | Acrylic latex composition |
| CN1740257A (en) * | 2005-09-19 | 2006-03-01 | 北京高盟化工有限公司 | Prepn of water-base composite acrylic adhesive |
| CN102391800A (en) * | 2011-09-13 | 2012-03-28 | 北京高盟新材料股份有限公司 | Water-based flame-retardant acrylate pressure sensitive adhesive and preparation method thereof |
| CN104341547A (en) * | 2013-07-29 | 2015-02-11 | 上海富臣化工有限公司 | Polyacrylic ester sealing emulsion and preparation method thereof |
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