CN110228110B - Plywood with sound insulation performance - Google Patents
Plywood with sound insulation performance Download PDFInfo
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- CN110228110B CN110228110B CN201910602851.6A CN201910602851A CN110228110B CN 110228110 B CN110228110 B CN 110228110B CN 201910602851 A CN201910602851 A CN 201910602851A CN 110228110 B CN110228110 B CN 110228110B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/13—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board all layers being exclusively wood
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/14—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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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
- C09J11/04—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
- 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
-
- 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
- C09J189/00—Adhesives based on proteins; Adhesives based on derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a plywood with sound insulation performance, and relates to the technical field of plywood, wherein the plywood is made of five wood board layers and four adhesive layers, and one of the second adhesive layer and the third adhesive layer is selected as a special adhesive layer from top to bottom; the plywood prepared by the invention has a high sound absorption coefficient, the influence of noise on a protected object can be reduced by blocking and reflecting the noise, the sound insulation of the plywood can be further supplemented and enhanced by adopting the special adhesive layer, the reverberation and the diffraction at the top end generated by the reflection of the common plywood can be reduced, and a good sound insulation effect can be achieved by the high sound absorption coefficient of the special adhesive layer.
Description
Technical Field
The invention belongs to the technical field of plywood, and particularly relates to plywood with sound insulation performance.
Background
Plywood is a three-layer or multi-layer plate material made up by using wood segments and making them be rotary-cut into single board or sliced into thin wood and using adhesive to make them be glued together, and usually using odd number of layers of single board and making the fibre directions of adjacent layers of single board be mutually perpendicular.
The plywood is one of common furniture materials, is one of three large plates of an artificial plate, and can also be used as a material for airplanes, ships, trains, automobiles, buildings, packing boxes and the like. A group of veneers are typically assembled and glued perpendicular to each other in the direction of the adjacent layers of wood grain, and the skins and inner sheets are typically symmetrically disposed on either side of the center layer or core. The glued veneer is pressed into the wood grain board blank by the criss-cross matching of the glued veneer according to the wood grain direction under the condition of heating or not heating. The number of layers is generally odd, and a few are even. The difference of physical and mechanical properties in the longitudinal and transverse directions is small. The types of plywood commonly used are plywood, plywood and the like. The plywood can improve the utilization rate of the wood and is a main way for saving the wood.
In the current architectural decoration industry, the requirements on the performance of decorative materials are more and more strict, and especially the requirements on the heat preservation performance, the sound insulation performance and the like of the materials are more and more high.
Disclosure of Invention
The invention aims to provide a plywood with sound insulation performance aiming at the existing problems.
The invention is realized by the following technical scheme:
the utility model provides a plywood with sound insulation performance, the plywood is made by five ply of wood and four layers of gluing agent layers, from last to down, selects certain one deck gluing agent layer in second layer or the third layer gluing agent layer to be special gluing agent layer, special gluing agent layer is made by following composition according to the part by weight: 32-35 parts of low-temperature defatted protein powder, 2-5 parts of urea, 1-2 parts of cross-linking agent, 18-20 parts of modified rubber powder and perlite compound, 6-8 parts of hydroxymethyl cellulose, 3-4 parts of sorbitan fatty acid ester and 65-68 parts of water, wherein other non-special adhesive layers are prepared from the following components in parts by weight: 30-33 parts of low-temperature defatted protein powder, 2-3 parts of urea, 1-2 parts of cross-linking agent, 22-24 parts of calcium carbonate, 5-7 parts of hydroxymethyl cellulose, 2-3 parts of fatty acid sorbitan ester and 68-70 parts of water.
Further, the wood board layer is a poplar board layer.
Further, the preparation method of the modified rubber powder and perlite compound comprises the following steps:
(1) adding perlite into acetone, heating to 80-90 deg.C, and stirring for 30min to obtain perlite dispersion;
(2) adding a hybridization agent and a catalyst a into the obtained perlite dispersion liquid, keeping the temperature and stirring for 3 hours at 85 ℃, standing for 1 hour, filtering, washing and drying to constant weight to obtain hybrid perlite, wherein the hybridization agent is any one of 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide derivatives;
(3) sequentially adding hybrid perlite and rubber powder into a reaction kettle, then adding tetrahydrophthalic acid diglycidyl epoxy resin into the reaction kettle according to the molar ratio of carboxyl in acrylic acid to epoxy group in the tetrahydrophthalic acid diglycidyl epoxy resin of 1:1-2.0, heating to 60 ℃ in an oil bath, dropwise adding acrylic acid dissolved with a catalyst b, heating while dropwise adding, controlling the reaction temperature to be not more than 100 ℃, finishing the reaction when the acid value of the system is reduced to 5mgKOH/g, then cleaning, and drying to constant weight to obtain the catalyst.
Further, the mixing ratio of the perlite to the acetone is 120 g: 350 mL.
Further, the catalyst a is tetraethylammonium hydroxide, and the addition amount of the catalyst a is 0.2% of the mass of the perlite.
Further, the addition amount of the hybridization agent is 2.5% of the mass of the perlite.
Further, the mixing mass ratio of the hybrid perlite to the rubber powder is 1: 1.5.
Further, the addition amount of the acrylic acid is 8% of the mass of the hybrid perlite.
Further, the catalyst b is tetraethylammonium bromide, and the addition amount of the catalyst b is 3% of the mass of the acrylic acid.
Further, the cross-linking agent is di-tert-butyl peroxide.
Has the advantages that: the plywood prepared by the invention has higher sound absorption coefficient, the influence of noise on a protected object can be reduced by blocking and reflecting the noise, the sound insulation of the plywood can be further supplemented and enhanced by adopting the special adhesive layer, the reverberation and the top diffraction generated by the reflection of the common plywood can be reduced, the good sound insulation effect can be achieved by the higher sound absorption coefficient of the special adhesive layer, the bonding strength of the special adhesive layer is reduced compared with that of the common adhesive layer, but the reduction range is smaller, the modified rubber powder and perlite compound is replaced by the physical mixture of the rubber powder and the perlite, the bonding strength is reduced in a small range, the sound absorption coefficient of the plywood can be greatly improved by adding the special adhesive layer, so that the sound absorption effect is improved, and the common adhesive layer has lower sound absorption coefficient, the sound insulation effect is limited, and when the special adhesive layer modified rubber powder and the perlite compound are replaced by a physical mixture of rubber powder and perlite, the sound insulation effect is not greatly different from that of the plywood with a common adhesive layer.
Drawings
FIG. 1 is a structural view of a plywood panel.
Detailed Description
Example 1
The utility model provides a plywood with sound insulation performance, the plywood is made by five ply of wood and four layers of gluing agent layers, from last to down, selects certain one deck gluing agent layer in second layer or the third layer gluing agent layer to be special gluing agent layer, special gluing agent layer is made by following composition according to the part by weight: 32 parts of low-temperature defatted protein powder, 2 parts of urea, 1 part of cross-linking agent, 18 parts of modified rubber powder and perlite compound, 6 parts of hydroxymethyl cellulose, 3 parts of sorbitan fatty acid ester and 65 parts of water, wherein other non-special adhesive layers are prepared from the following components in parts by weight: 30 parts of low-temperature defatted protein powder, 2 parts of urea, 1 part of cross-linking agent, 22 parts of calcium carbonate, 5 parts of hydroxymethyl cellulose, 2 parts of sorbitan fatty acid ester and 68 parts of water.
Further, the wood board layer is a poplar board layer.
Further, the preparation method of the modified rubber powder and perlite compound comprises the following steps:
(1) adding perlite into acetone, heating to 80 deg.C, and stirring for 30min to obtain perlite dispersion;
(2) adding a hybridization agent and a catalyst a into the obtained perlite dispersion liquid, keeping the temperature and stirring for 3 hours at 85 ℃, standing for 1 hour, filtering, washing and drying to constant weight to obtain hybrid perlite, wherein the hybridization agent is any one of 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide derivatives;
(3) sequentially adding hybrid perlite and rubber powder into a reaction kettle, then adding tetrahydrophthalic acid diglycidyl epoxy resin into the reaction kettle according to the molar ratio of carboxyl in acrylic acid to epoxy group in the tetrahydrophthalic acid diglycidyl epoxy resin of 1:1, heating in an oil bath to 60 ℃, starting to dropwise add acrylic acid dissolved with a catalyst b, heating while dropwise adding, controlling the reaction temperature to be not more than 100 ℃, finishing the reaction when the acid value of the system is reduced to 5mgKOH/g, then cleaning, and drying to constant weight to obtain the catalyst.
Further, the mixing ratio of the perlite to the acetone is 120 g: 350 mL.
Further, the catalyst a is tetraethylammonium hydroxide, and the addition amount of the catalyst a is 0.2% of the mass of the perlite.
Further, the addition amount of the hybridization agent is 2.5% of the mass of the perlite.
Further, the mixing mass ratio of the hybrid perlite to the rubber powder is 1: 1.5.
Further, the addition amount of the acrylic acid is 8% of the mass of the hybrid perlite.
Further, the catalyst b is tetraethylammonium bromide, and the addition amount of the catalyst b is 3% of the mass of the acrylic acid.
Further, the cross-linking agent is di-tert-butyl peroxide.
Example 2
The utility model provides a plywood with sound insulation performance, the plywood is made by five ply of wood and four layers of gluing agent layers, from last to down, selects certain one deck gluing agent layer in second layer or the third layer gluing agent layer to be special gluing agent layer, special gluing agent layer is made by following composition according to the part by weight: 35 parts of low-temperature defatted protein powder, 5 parts of urea, 2 parts of cross-linking agent, 20 parts of modified rubber powder and perlite compound, 8 parts of hydroxymethyl cellulose, 4 parts of sorbitan fatty acid ester and 68 parts of water, wherein other non-special adhesive layers are prepared from the following components in parts by weight: 33 parts of low-temperature defatted protein powder, 3 parts of urea, 2 parts of a cross-linking agent, 24 parts of calcium carbonate, 7 parts of hydroxymethyl cellulose, 3 parts of sorbitan fatty acid ester and 70 parts of water.
Further, the wood board layer is a poplar board layer.
Further, the preparation method of the modified rubber powder and perlite compound comprises the following steps:
(1) adding perlite into acetone, heating to 90 deg.C, and stirring for 30min to obtain perlite dispersion;
(2) adding a hybridization agent and a catalyst a into the obtained perlite dispersion liquid, keeping the temperature and stirring for 3 hours at 85 ℃, standing for 1 hour, filtering, washing and drying to constant weight to obtain hybrid perlite, wherein the hybridization agent is any one of 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide derivatives;
(3) sequentially adding hybrid perlite and rubber powder into a reaction kettle, then adding tetrahydrophthalic acid diglycidyl epoxy resin into the reaction kettle according to the molar ratio of carboxyl in acrylic acid to epoxy group in the tetrahydrophthalic acid diglycidyl epoxy resin of 1: 2.0, heating in an oil bath to 60 ℃, starting to dropwise add acrylic acid dissolved with a catalyst b, heating while dropwise adding, controlling the reaction temperature to be not more than 100 ℃, finishing the reaction when the acid value of the system is reduced to 5mgKOH/g, then cleaning, and drying to constant weight to obtain the catalyst.
Further, the mixing ratio of the perlite to the acetone is 120 g: 350 mL.
Further, the catalyst a is tetraethylammonium hydroxide, and the addition amount of the catalyst a is 0.2% of the mass of the perlite.
Further, the addition amount of the hybridization agent is 2.5% of the mass of the perlite.
Further, the mixing mass ratio of the hybrid perlite to the rubber powder is 1: 1.5.
Further, the addition amount of the acrylic acid is 8% of the mass of the hybrid perlite.
Further, the catalyst b is tetraethylammonium bromide, and the addition amount of the catalyst b is 3% of the mass of the acrylic acid.
Further, the cross-linking agent is di-tert-butyl peroxide.
Example 3
The utility model provides a plywood with sound insulation performance, the plywood is made by five ply of wood and four layers of gluing agent layers, from last to down, selects certain one deck gluing agent layer in second layer or the third layer gluing agent layer to be special gluing agent layer, special gluing agent layer is made by following composition according to the part by weight: 33 parts of low-temperature defatted protein powder, 3 parts of urea, 1.2 parts of cross-linking agent, 19 parts of modified rubber powder and perlite compound, 7 parts of hydroxymethyl cellulose, 3.5 parts of sorbitan fatty acid ester and 66 parts of water, wherein other non-special adhesive layers are prepared from the following components in parts by weight: 32 parts of low-temperature defatted protein powder, 2.5 parts of urea, 1.5 parts of cross-linking agent, 23 parts of calcium carbonate, 6 parts of hydroxymethyl cellulose, 2.5 parts of sorbitan fatty acid ester and 69 parts of water.
Further, the wood board layer is a poplar board layer.
Further, the preparation method of the modified rubber powder and perlite compound comprises the following steps:
(1) adding perlite into acetone, heating to 82 deg.C, and stirring for 30min to obtain perlite dispersion;
(2) adding a hybridization agent and a catalyst a into the obtained perlite dispersion liquid, keeping the temperature and stirring for 3 hours at 85 ℃, standing for 1 hour, filtering, washing and drying to constant weight to obtain hybrid perlite, wherein the hybridization agent is any one of 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide derivatives;
(3) sequentially adding hybrid perlite and rubber powder into a reaction kettle, then adding tetrahydrophthalic acid diglycidyl epoxy resin into the reaction kettle according to the molar ratio of carboxyl in acrylic acid to epoxy group in the tetrahydrophthalic acid diglycidyl epoxy resin of 1:1.4, heating in an oil bath to 60 ℃, starting to dropwise add acrylic acid dissolved with a catalyst b, heating while dropwise adding, controlling the reaction temperature to be not more than 100 ℃, finishing the reaction when the acid value of the system is reduced to 5mgKOH/g, then cleaning, and drying to constant weight to obtain the catalyst.
Further, the mixing ratio of the perlite to the acetone is 120 g: 350 mL.
Further, the catalyst a is tetraethylammonium hydroxide, and the addition amount of the catalyst a is 0.2% of the mass of the perlite.
Further, the addition amount of the hybridization agent is 2.5% of the mass of the perlite.
Further, the mixing mass ratio of the hybrid perlite to the rubber powder is 1: 1.5.
Further, the addition amount of the acrylic acid is 8% of the mass of the hybrid perlite.
Further, the catalyst b is tetraethylammonium bromide, and the addition amount of the catalyst b is 3% of the mass of the acrylic acid.
Further, the cross-linking agent is di-tert-butyl peroxide.
The plywood made of two layers of poplar boards is characterized in that the adhesive layer, the special adhesive layer and the comparative example 1 are adopted as the adhesive respectively; the hot pressing temperature of the processing technology is 160 ℃, the hot pressing pressure is 1.0MPa, and the hot pressing time is 60 s/mm;
testing of the bonding strength: according to the specification of national standard GB/T9846.3200 on the measurement of the wet shear strength of II-type plywood, a test piece to be tested is soaked in water at the temperature of 60 +/-3 ℃ for 3 hours before testing, the stripping condition of all test pieces is checked, the temperature of the test piece is reduced to 22 +/-5 ℃, a universal mechanical testing machine is used for stretching the test piece at the speed of 10mm/min, and the shear strength of the test piece is tested;
TABLE 1
as can be seen from the table 1, the bonding strength of the special adhesive layer is reduced compared with that of the common adhesive layer, but the reduction range is small, and the bonding strength is reduced in a small range by replacing the modified rubber powder and perlite compound with a physical mixture of rubber powder and perlite.
The sound absorption performance of the plywood of the embodiment is detected, the thickness of the plywood is 1cm, the specification is 100cm multiplied by 100cm, the hot pressing temperature of the processing technology is 160 ℃, the hot pressing pressure is 1.0MPa, the hot pressing time is 60s/mm, a comparison group 1 is that a special adhesive layer is replaced by an adhesive layer which is the same as other adhesive layers, and a comparison group 2 is that: replacing the compound of the modified rubber powder and the perlite of the special adhesive layer with a physical mixture of the rubber powder and the perlite;
the test method is to carry out detection in a reverberation room according to JT/T646-2005 technical requirements and detection methods for road sound barrier materials:
TABLE 2
It can be seen from table 2 that the sound absorption coefficient of the plywood can be greatly improved by adding the special adhesive layer, so that the sound absorption effect is improved, the sound absorption coefficient of the common adhesive layer is lower, and the sound insulation effect is limited.
Claims (1)
1. The utility model provides a plywood with sound insulation performance, the plywood is made by five ply of wood and four layers of gluing agent layers, and its characterized in that from last to down, selects certain one deck gluing agent layer in second layer or the third layer gluing agent layer to be special gluing agent layer, special gluing agent layer is made by following composition according to the part by weight: 32-35 parts of low-temperature defatted protein powder, 2-5 parts of urea, 1-2 parts of cross-linking agent, 18-20 parts of modified rubber powder and perlite compound, 6-8 parts of hydroxymethyl cellulose, 3-4 parts of sorbitan fatty acid ester and 65-68 parts of water, wherein other non-special adhesive layers are prepared from the following components in parts by weight: 30-33 parts of low-temperature defatted protein powder, 2-3 parts of urea, 1-2 parts of cross-linking agent, 22-24 parts of calcium carbonate, 5-7 parts of hydroxymethyl cellulose, 2-3 parts of fatty acid sorbitan ester and 68-70 parts of water; the wood board layer is a poplar board layer; the preparation method of the modified rubber powder and perlite compound comprises the following steps:
(1) adding perlite into acetone, heating to 80-90 deg.C, and stirring for 30min to obtain perlite dispersion;
(2) adding a hybridization agent and a catalyst a into the obtained perlite dispersion liquid, keeping the temperature and stirring for 3 hours at 85 ℃, standing for 1 hour, filtering, washing and drying to constant weight to obtain hybrid perlite, wherein the hybridization agent is any one of 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide derivatives;
(3) sequentially adding hybrid perlite and rubber powder into a reaction kettle, then adding tetrahydrophthalic acid diglycidyl epoxy resin into the reaction kettle according to the molar ratio of carboxyl in acrylic acid to epoxy group in the tetrahydrophthalic acid diglycidyl epoxy resin of 1:1-2.0, heating to 60 ℃ in an oil bath, dropwise adding acrylic acid dissolved with a catalyst b, heating while dropwise adding, controlling the reaction temperature to be not more than 100 ℃, finishing the reaction when the acid value of the system is reduced to 5mgKOH/g, then cleaning, and drying to constant weight to obtain the product; the mixing ratio of the perlite to the acetone is 120 g: 350 mL; the catalyst a is tetraethyl ammonium hydroxide, and the addition amount of the catalyst a is 0.2 percent of the mass of the perlite; the addition amount of the hybridization agent is 2.5 percent of the mass of the perlite; the mixing mass ratio of the hybrid perlite to the rubber powder is 1: 1.5; the addition amount of the acrylic acid is 8% of the mass of the hybrid perlite; the catalyst b is tetraethylammonium bromide, and the addition amount of the catalyst b is 3% of the mass of the acrylic acid; the cross-linking agent is di-tert-butyl peroxide.
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| CN109054738A (en) * | 2018-08-02 | 2018-12-21 | 阜南盛原木业有限公司 | A kind of water-fast heatproof adhesive of glued board |
| CN109294486A (en) * | 2018-09-06 | 2019-02-01 | 含山县金中环装饰材料有限公司 | A kind of glued board modified polyvinylalcohol adhesive |
| CN109514657A (en) * | 2018-11-15 | 2019-03-26 | 浙江升华云峰新材股份有限公司 | A kind of flame retardant type impregnated bond paper facing core-board |
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| CN110228110A (en) | 2019-09-13 |
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