CN111154434A - Preparation method of adhesive for waterproof and mildewproof wooden products - Google Patents

Preparation method of adhesive for waterproof and mildewproof wooden products Download PDF

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Publication number
CN111154434A
CN111154434A CN201911409318.4A CN201911409318A CN111154434A CN 111154434 A CN111154434 A CN 111154434A CN 201911409318 A CN201911409318 A CN 201911409318A CN 111154434 A CN111154434 A CN 111154434A
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adhesive
waterproof
mildewproof
polyvinyl alcohol
wooden products
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CN201911409318.4A
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张晓玲
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Funan County Tianyi Crafts Co ltd
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Funan County Tianyi Crafts Co ltd
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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
    • 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
    • C09J11/04—Non-macromolecular additives inorganic
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2244—Oxides; Hydroxides of metals of zirconium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention mainly relates to the technical field of adhesive processing, and discloses a preparation method of an adhesive for waterproof and mildewproof wooden products, which comprises the following steps: primary mixing, secondary mixing, tertiary mixing and packaging; the preparation method of the adhesive for the waterproof and mildewproof wooden products, provided by the invention, is simple, the types of the added raw materials are few, the added raw materials are common raw materials, the mass production cost can be saved, the prepared adhesive does not contain toxic chemical reagents, toxic gases cannot be emitted in the preparation and use processes, and the adhesive is safer and healthier and is green and environment-friendly; the polyvinyl alcohol and the water-based organic silicon resin are placed in a reaction kettle, water is added for heating and stirring, so that the raw materials are fully mixed and grafted, the strength and flexibility of the adhesive are improved, and the cracking and falling off of the adhesive in a washing process are avoided.

Description

Preparation method of adhesive for waterproof and mildewproof wooden products
Technical Field
The invention mainly relates to the technical field of adhesive processing, in particular to a preparation method of an adhesive for waterproof and mildewproof wooden products.
Background
The wood adhesive is characterized in that a plurality of adhesives are generally used in the building decoration process, and can be divided into adhesives for objects such as doors, cabinets, floors, balconies, pools, toilets, stools, tables and chairs, kitchen utensils and the like according to different purposes, wherein the adhesives for wood products are in frequent contact with moisture and can absorb water easily, the wood adhesive is kept in a wet state often, the wood adhesive can be mildewed after being used for a period of time, the brushing force is increased due to mildewing, and then the wood adhesive can crack and fall off, so that the mildewing phenomenon can occur about 1 year after the general wood adhesive is used, the wood adhesive can crack and fall off about 2 years, the water seepage phenomenon can occur after the wood adhesive falls off, great inconvenience is brought to life, the waterproof performance of the wood adhesive needs to be further improved, and the.
The existing patent document CN105950072A discloses an environment-friendly antibacterial glue, and specifically discloses that raw material components are modified acorn starch, modified polyvinyl alcohol, chitosan, nano-alumina, China hemp fiber, carboxymethyl cellulose, high-activity zinc oxide, sodium polyacrylate, polybutyl acrylate, a tackifier, borax and tea tree oil, the glue prepared by the patent document has a certain environment-friendly antibacterial effect, but when the glue of the patent document is used for bonding sponges, rubber and table tennis rackets in a test, moisture is not frequently contacted, when the glue is used for bonding stools, tables, chairs and kitchenware, moisture is frequently contacted, and large pressure is always accepted, so that the bonded adhesive can become mildewed after being used for a period of time, black spots are generated, and then cracking and falling are generated, and therefore the glue of the patent document is further improved.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention aims to provide a preparation method of an adhesive for waterproof and mildewproof wooden products.
The preparation method of the adhesive for the waterproof and mildewproof wooden products comprises the following steps:
(1) primary mixing: placing polyvinyl alcohol and water-based organic silicon resin in a reaction kettle, adding water, stirring at the speed of 2-3 ℃/min until the polyvinyl alcohol and the water-based organic silicon resin are completely molten, and stirring for 40-50 min at a heat preservation speed to fully mix and graft raw materials, so that the strength and flexibility of the adhesive are improved, and the adhesive is prevented from cracking and falling off in a washing process to obtain a primary mixture;
(2) and (3) secondary mixing: adding zinc stearate and di (2-ethylhexyl) phthalate into the primary mixture, stirring for 30-40 min at a heat preservation speed of 65-75 r/min, improving the mildew resistance and the flowing film forming property of the adhesive, enabling the adhesive to be convenient to use, quickly forming a film after extruding and filling, improving the sealing property and the mildew resistance of the adhesive, adding 2-hydroxy-4-n-octoxy benzophenone, continuously stirring for 25-35 min, improving the strength of the adhesive, avoiding aging phenomena such as yellowing and cracking after the adhesive is used, prolonging the service life of the adhesive, and obtaining a secondary mixture;
(3) mixing for the third time: adding nano zirconium dioxide into the secondary mixture, adjusting to vacuum, stirring for 30-40 min at a heat preservation speed of 70-75 r/min, improving the wear resistance of the adhesive, avoiding the adhesive from falling off and cracking in the repeated washing process, adding titanium acetylacetonate, continuously stirring for 45-55 min, improving the adhesiveness and mildew resistance of the adhesive, enabling the adhesive to be tightly bonded with a substrate, improving the waterproof and mildew-proof effects of the adhesive, naturally heating to room temperature at a speed of 3-4 ℃/min, keeping the temperature for 40-50 min, naturally cooling to room temperature, heating again and preserving the heat after cooling to room temperature, improving the flexibility and adhesiveness of the adhesive, being tightly bonded with the substrate, resisting water and brushing, improving the practicability of the adhesive, meeting the use requirements of consumers, and obtaining a tertiary mixture;
(4) packaging: and packaging and inspecting the mixture obtained in the third step to obtain the waterproof and mildewproof adhesive.
The weight ratio of the polyvinyl alcohol and the water-based organic silicon resin in the step (1) is 3-4: 1.
And (2) adding water in the step (1) to enable the water content to be 22-24%.
And (3) adding zinc stearate in the step (2) in an amount of 17-19% of the weight of the polyvinyl alcohol.
The addition amount of the di (2-ethylhexyl) phthalate in the step (2) is 14-16% of the weight of the polyvinyl alcohol.
The addition amount of the 2-hydroxy-4-n-octoxy benzophenone obtained in the step (2) is 11-13% of the weight of the polyvinyl alcohol.
The nano zirconium dioxide in the step (3) has a particle size of 25-35 nm, and the addition amount of the nano zirconium dioxide is 3.3-3.7% of the weight of the polyvinyl alcohol.
The addition amount of the titanium acetylacetonate in the step (3) is 2.5-2.9% of the weight of the polyvinyl alcohol.
The waterproof and mildewproof adhesive prepared by the preparation method of the adhesive for the waterproof and mildewproof wooden products.
The invention has the advantages that: the preparation method of the adhesive for the waterproof and mildewproof wooden products, provided by the invention, is simple, the types of the added raw materials are few, the added raw materials are common raw materials, the mass production cost can be saved, the prepared adhesive does not contain toxic chemical reagents, toxic gases cannot be emitted in the preparation and use processes, and the adhesive is safer and healthier and is green and environment-friendly; placing polyvinyl alcohol and water-based organic silicon resin in a reaction kettle, adding water, heating and stirring to fully mix and graft raw materials, improving the strength and flexibility of the adhesive, and avoiding cracking and falling off of the adhesive in a washing process; zinc stearate and di (2-ethylhexyl) phthalate are added and rapidly stirred, so that the mildew resistance and the flowing film-forming property of the adhesive can be improved, the adhesive is convenient to use, after extrusion and joint filling, a film can be rapidly formed, the sealing property and the mildew resistance of the adhesive are improved, 2-hydroxy-4-n-octoxy benzophenone is added for continuous stirring, the strength of the adhesive can be improved, aging phenomena such as yellowing and cracking after the adhesive is used are avoided, and the service life of the adhesive is prolonged; add nanometer zirconium dioxide again, and carry out the intensive mixing, can improve the wearability of gluing agent, avoid gluing agent to appear droing and chapping at the repeated washing in-process, add acetylacetone titanium again, can improve the gluey stickness and the mould proof nature of gluing agent, make gluing agent can closely adhere with the basement, improve the waterproof and mould proof effect of gluing agent, the gluing agent cools off to heating once more and keeps warm after the room temperature, can improve the pliability and gluey stickness of gluing agent, can closely adhere with the basement, waterproof resistant brush, improve the practicality of gluing agent, satisfy consumer's user demand.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a process flow diagram of a preparation method of the adhesive for the waterproof and mildewproof wooden products.
Detailed Description
The invention is illustrated by the following specific examples.
Example 1
The preparation method of the adhesive for the waterproof and mildewproof wooden products comprises the following steps:
(1) primary mixing: placing polyvinyl alcohol and water-based organic silicon resin into a reaction kettle, adding water according to the weight ratio of polyvinyl alcohol to water-based organic silicon resin =3:1, adding water to enable the water content to be 22%, stirring at the speed of 2 ℃/min until the mixture is completely melted, keeping the temperature and stirring for 40min, fully mixing and grafting the raw materials, improving the strength and flexibility of the adhesive, and avoiding cracking and falling off of the adhesive in a washing process to obtain a primary mixture;
(2) and (3) secondary mixing: adding zinc stearate and di (2-ethylhexyl) phthalate into the primary mixture, wherein the addition amount of the zinc stearate is 17% of the weight of polyvinyl alcohol, the addition amount of the di (2-ethylhexyl) phthalate is 14% of the weight of the polyvinyl alcohol, keeping the temperature and stirring at 65r/min for 30min, so that the mildew resistance and the flowing film forming property of the adhesive can be improved, the adhesive is convenient to use, a film can be rapidly formed after extrusion and joint filling, the sealing property and the mildew resistance of the adhesive are improved, then adding 2-hydroxy-4-n-octoxy benzophenone, the addition amount of the 2-hydroxy-4-n-octoxy benzophenone is 11% of the weight of the polyvinyl alcohol, continuously stirring for 25min, the strength of the adhesive can be improved, aging phenomena such as yellowing and cracking after the adhesive is used are avoided, the service life of the adhesive is;
(3) mixing for the third time: adding nano zirconium dioxide into the secondary mixture, wherein the particle size of the nano zirconium dioxide is 25-35 nm, the adding amount of the nano zirconium dioxide is 3.3% of the weight of polyvinyl alcohol, adjusting the nano zirconium dioxide to be vacuum, stirring the nano zirconium dioxide for 30min at a heat preservation speed of 70r/min, so that the abrasive resistance of the adhesive can be improved, the adhesive is prevented from falling off and cracking in the repeated washing process, adding titanium acetylacetonate, the adding amount of the titanium acetylacetonate is 2.5% of the weight of the polyvinyl alcohol, continuously stirring the mixture for 45min, so that the tackiness and the mildew resistance of the adhesive can be improved, the adhesive can be tightly adhered to a substrate, the waterproof and mildew-proof effects of the adhesive can be improved, naturally turning the mixture to room temperature, heating the mixture to 75 ℃ at a speed of 3 ℃/min, preserving the mixture for 40min, naturally cooling the mixture to the room temperature, heating and preserving the heat again after, the practicability of the adhesive is improved, the use requirements of consumers are met, and a tertiary mixture is obtained;
(4) packaging: and packaging and inspecting the mixture obtained in the third step to obtain the waterproof and mildewproof adhesive.
Example 2
The preparation method of the adhesive for the waterproof and mildewproof wooden products comprises the following steps:
(1) primary mixing: placing polyvinyl alcohol and water-based organic silicon resin into a reaction kettle, adding water according to the weight ratio of polyvinyl alcohol to water-based organic silicon resin =3.5:1, adding water to ensure that the water content is 23%, stirring at the speed of 2.5 ℃/min until the mixture is completely melted, keeping the temperature and stirring for 45min, fully mixing and grafting the raw materials, improving the strength and flexibility of the adhesive, and avoiding cracking and falling off of the adhesive in a washing process to obtain a primary mixture;
(2) and (3) secondary mixing: adding zinc stearate and di (2-ethylhexyl) phthalate into the primary mixture, wherein the addition amount of the zinc stearate is 18% of the weight of polyvinyl alcohol, the addition amount of the di (2-ethylhexyl) phthalate is 15% of the weight of the polyvinyl alcohol, stirring at 70r/min for 35min with heat preservation, so that the mildew resistance and the flowing film forming property of the adhesive can be improved, the adhesive is convenient to use, a film can be rapidly formed after extrusion and joint filling, the sealing property and the mildew resistance of the adhesive are improved, then adding 2-hydroxy-4-n-octoxy benzophenone, the addition amount of the 2-hydroxy-4-n-octoxy benzophenone is 12% of the weight of the polyvinyl alcohol, continuously stirring for 30min, the strength of the adhesive can be improved, aging phenomena such as yellowing and cracking after the adhesive is used are avoided, the service life of the adhesive is prolonged;
(3) mixing for the third time: adding nano zirconium dioxide into the secondary mixture, wherein the particle size of the nano zirconium dioxide is 25-35 nm, the adding amount of the nano zirconium dioxide is 3.5% of the weight of polyvinyl alcohol, adjusting the nano zirconium dioxide to be vacuum, keeping the temperature and stirring for 35min at 73r/min, so that the abrasive resistance of the adhesive can be improved, the adhesive is prevented from falling off and cracking in the repeated washing process, adding titanium acetylacetonate, the adding amount of the titanium acetylacetonate is 2.7% of the weight of the polyvinyl alcohol, continuing stirring for 50min, improving the tackiness and mildew resistance of the adhesive, enabling the adhesive to be tightly adhered to a substrate, improving the waterproof and mildew-proof effects of the adhesive, naturally cooling to room temperature, heating to 80 ℃ at the speed of 3.5 ℃/min, keeping the temperature for 45min, naturally cooling to room temperature, heating and keeping the temperature again after the adhesive is cooled to the room temperature, improving the flexibility and tackiness of the adhesive, enabling the, the practicability of the adhesive is improved, the use requirements of consumers are met, and a tertiary mixture is obtained;
(4) packaging: and packaging and inspecting the mixture obtained in the third step to obtain the waterproof and mildewproof adhesive.
Example 3
The preparation method of the adhesive for the waterproof and mildewproof wooden products comprises the following steps:
(1) primary mixing: placing polyvinyl alcohol and water-based organic silicon resin into a reaction kettle, adding water according to the weight ratio of polyvinyl alcohol to water-based organic silicon resin =4:1, adding water to enable the water content to be 24%, stirring at the speed of 3 ℃/min until the mixture is completely melted, keeping the temperature and stirring for 50min, fully mixing and grafting the raw materials, improving the strength and flexibility of the adhesive, and avoiding cracking and falling off of the adhesive in a washing process to obtain a primary mixture;
(2) and (3) secondary mixing: adding zinc stearate and di (2-ethylhexyl) phthalate into the primary mixture, wherein the addition amount of the zinc stearate is 19% of the weight of polyvinyl alcohol, the addition amount of the di (2-ethylhexyl) phthalate is 16% of the weight of the polyvinyl alcohol, stirring at 75r/min for 40min with heat preservation, improving the mildew resistance and the flowing film forming property of the adhesive, facilitating the use of the adhesive, quickly forming a film after extrusion and joint filling, improving the sealing property and the mildew resistance of the adhesive, adding 2-hydroxy-4-n-octoxy benzophenone, wherein the addition amount is 13% of the weight of the polyvinyl alcohol, continuously stirring for 35min, improving the strength of the adhesive, avoiding aging phenomena such as yellowing and cracking after the adhesive is used, prolonging the service life of the adhesive, and obtaining a secondary mixture;
(3) mixing for the third time: adding nano zirconium dioxide into the secondary mixture, wherein the particle size of the nano zirconium dioxide is 25-35 nm, the adding amount of the nano zirconium dioxide is 3.7% of the weight of polyvinyl alcohol, adjusting the nano zirconium dioxide to be vacuum, keeping the temperature and stirring for 40min at 75r/min, so that the abrasive resistance of the adhesive can be improved, the adhesive is prevented from falling off and cracking in the repeated washing process, adding titanium acetylacetonate, the adding amount of the titanium acetylacetonate is 2.9% of the weight of the polyvinyl alcohol, continuing stirring for 55min, improving the tackiness and mildew resistance of the adhesive, enabling the adhesive to be tightly adhered to a substrate, improving the waterproof and mildew-proof effects of the adhesive, naturally turning to room temperature, heating to 85 ℃ at the speed of 4 ℃/min, keeping the temperature for 50min, naturally cooling to room temperature, heating and keeping the temperature again after the adhesive is cooled to the room temperature, improving the flexibility and tackiness of the adhesive, enabling the, the practicability of the adhesive is improved, the use requirements of consumers are met, and a tertiary mixture is obtained;
(4) packaging: and packaging and inspecting the mixture obtained in the third step to obtain the waterproof and mildewproof adhesive.
Control group
Prior patent document CN105950072A discloses an environment-friendly antibacterial glue.
The effect parameters of the adhesive are as follows:
(1) saltpetering resistance test
Performing alternating cycle curing experiments on the adhesives of the embodiment and the comparison group under different temperature environment conditions, wherein the cycle time is 24 hours each time, the adhesives are placed into an oven with the temperature of 60 ℃ and the humidity of 30% for drying in the first 12 hours, and are placed into a standard curing room with the temperature of 20 ℃ and the humidity of 98% for humidifying and curing in the last 12 hours, and the whiskering phenomenon of the products after each cycle is observed and recorded;
(2) corrosion resistance test
Curing the adhesives of the embodiment and the comparison group, then soaking the cured adhesives in seawater for 60 days, observing the phenomenon and recording the phenomenon;
(3) mildew resistance test
Inoculating mould on the surface of the cured adhesive surface, culturing for 24h under the optimal condition, and calculating the mould resistance of each group of adhesives;
each experiment was repeated 3 times and the results averaged; the effect parameters of the adhesive are shown in table 1.
Table 1: effect parameters of adhesive
Figure DEST_PATH_IMAGE002
The results in table 1 show that the waterproof and mildewproof adhesive prepared by the preparation method of the adhesive for waterproof and mildewproof wooden products in the embodiment has performance parameters obviously superior to those of a control group, and the mildewproof rate is obviously higher than that of the control group, which indicates that the preparation method of the adhesive for waterproof and mildewproof wooden products provided by the invention has good practicability.

Claims (9)

1. The preparation method of the adhesive for the waterproof and mildewproof wooden products is characterized by comprising the following steps of:
(1) primary mixing: placing polyvinyl alcohol and water-based organic silicon resin in a reaction kettle, adding water, stirring at the speed of 2-3 ℃/min until the polyvinyl alcohol and the water-based organic silicon resin are completely molten, and stirring for 40-50 min at the constant temperature to obtain a primary mixture;
(2) and (3) secondary mixing: adding zinc stearate and di (2-ethylhexyl) phthalate into the primary mixture, stirring for 30-40 min at the temperature of 65-75 r/min, adding 2-hydroxy-4-n-octoxy benzophenone, and continuously stirring for 25-35 min to obtain a secondary mixture;
(3) mixing for the third time: adding nano zirconium dioxide into the secondary mixture, adjusting to vacuum, stirring for 30-40 min at a heat preservation speed of 70-75 r/min, adding titanium acetylacetonate, continuously stirring for 45-55 min, naturally cooling to room temperature, heating to 75-85 ℃ at a speed of 3-4 ℃/min, preserving heat for 40-50 min, and naturally cooling to room temperature to obtain a tertiary mixture;
(4) packaging: and packaging and inspecting the mixture obtained in the third step to obtain the waterproof and mildewproof adhesive.
2. The method for preparing the adhesive for the waterproof and mildewproof wooden products, according to claim 1, is characterized in that the weight ratio of the polyvinyl alcohol and the water-based silicone resin added in the step (1) is 3-4: 1.
3. The method for preparing the adhesive for the waterproof and mildewproof wooden products, according to claim 1, is characterized in that water is added in the step (1) to enable the water content to be 22-24%.
4. The method for preparing the adhesive for the waterproof and mildewproof wooden products according to claim 1, wherein the zinc stearate in the step (2) is added in an amount of 17-19% by weight of the polyvinyl alcohol.
5. The method for preparing the adhesive for the wooden products which are waterproof and mildewproof according to claim 1, wherein the di (2-ethylhexyl) phthalate in the step (2) is added in an amount of 14 to 16 percent by weight of the polyvinyl alcohol.
6. The method for preparing the adhesive for the wooden products with waterproof and mildewproof functions according to claim 1, wherein the 2-hydroxy-4-n-octoxybenzophenone obtained in the step (2) is added in an amount of 11 to 13 percent of the weight of the polyvinyl alcohol.
7. The method for preparing the adhesive for the waterproof and mildewproof wooden products, according to claim 1, is characterized in that the nano zirconium dioxide in the step (3) has a particle size of 25 to 35nm, and the adding amount of the nano zirconium dioxide is 3.3 to 3.7 percent of the weight of the polyvinyl alcohol.
8. The method for preparing the adhesive for the waterproof and mildewproof wooden products, according to claim 1, wherein the amount of the titanium acetylacetonate added in the step (3) is 2.5 to 2.9 percent of the weight of the polyvinyl alcohol.
9. The waterproof and mildewproof adhesive prepared by the preparation method of the adhesive for the waterproof and mildewproof wooden products as claimed in any one of claims 1 to 8.
CN201911409318.4A 2019-12-31 2019-12-31 Preparation method of adhesive for waterproof and mildewproof wooden products Withdrawn CN111154434A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114536503A (en) * 2022-02-28 2022-05-27 宜丰县永安建材有限责任公司 Production method of heavy bamboo wide-breadth board

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114536503A (en) * 2022-02-28 2022-05-27 宜丰县永安建材有限责任公司 Production method of heavy bamboo wide-breadth board
CN114536503B (en) * 2022-02-28 2023-01-10 宜丰县永安建材有限责任公司 Production method of heavy bamboo wide-breadth board

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Application publication date: 20200515