CN109181598A - A kind of dedicated adhesive of fire-resistant-chipboard - Google Patents
A kind of dedicated adhesive of fire-resistant-chipboard Download PDFInfo
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- CN109181598A CN109181598A CN201811130381.XA CN201811130381A CN109181598A CN 109181598 A CN109181598 A CN 109181598A CN 201811130381 A CN201811130381 A CN 201811130381A CN 109181598 A CN109181598 A CN 109181598A
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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
- C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
- C09J161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09J161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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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
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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
- C09J11/08—Macromolecular additives
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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
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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 kind of dedicated adhesives of fire-resistant-chipboard, belong to building material technical field.The present invention according to parts by weight, successively takes 60~80 parts of activation chitosan liquid, 40~50 parts of gelatin solutions, activation chitosan liquid is stirred with gelatin solution, and sequentially adds hydrochloric acid and glutaraldehyde solution by 10~20 parts of glutaraldehyde solutions and 10~20 parts of hydrochloric acid, and it is passed through nitrogen treatment containing trimethyl aluminium, and after being stirred, filtering, stripping and slicing, washing is dried in vacuo, and is crushed, sieving, obtains modified flame-retardant agent；By phenolic resin, epoxy resin, diluent, curing agent, modified annex solution, surfactant, modified flame-retardant agent, calcium bicarbonate and sodium bicarbonate are stirred to get the dedicated adhesive of fire-resistant-chipboard.The dedicated adhesive of fire-resistant-chipboard of technical solution of the present invention preparation has the characteristics that excellent flame retardant property and mechanical property, has broad prospects in the development of building material technology industry.
Description
Technical field
The invention discloses a kind of dedicated adhesives of fire-resistant-chipboard, belong to building material technical field.
Background technique
Particieboard is called bagasse board, the particle made of timber or other ligno-cellulosic materials, apply adhesive after
The wood-based plate composed under heating power and pressure effect, also known as flakeboard.It is mainly used for Furniture manufacture and building industry and train, vapour
The manufacture of vehicle compartment.
Because particieboard structure is relatively uniform, processing performance is good, can according to need the plate for being processed into large format, is system
Make the preferable raw material of furniture of different size, pattern.Manufactured goods particieboard does not need to dry again, can directly use, and inhales
Sound and sound insulation value are also fine.But it also has the shortcomings that its is intrinsic, because of edge roughness, moisture absorption is easy, so with particieboard system
The edge sealing of furniture technique of work just seems especially important.It is larger additionally, due to particieboard volume, with its Hepplewhite, relative to it
For his plate, also than heavier.
When wood-base fibre and particle panel material is applied to the indoor scenarios such as interior decoration and Furniture manufacture, in case of fire, wooden material
Material then hides some dangers for accelerate and expanding fire, therefore is listed in flammable wooden material without the wood materials of flame retardant treatment
Material.So the fire protection flame retarding processing of wood-base fibre and particle panel material is most important.According to GB/20286 to public place fire-retardant product and component
Requirement, it is necessary to carry out certain flame retardant treatment, to wood-base fibre and particle panel material to reach corresponding fire-retardant rank.Fire-retardation artificial board uses
Service life is shorter, update is fast, can all have a large amount of fire retardant man-made slab products to be eliminated every year.
Pyrolysis is the biomass efficient switch technology that recent decades grow up, and is had in agriculture and forestry organic waste material utilization
Boundless application prospect.The gas phase, liquid phase, solid phase that the biomass of low energy densities can be converted to high-energy density by it produce
Product reduce storage and the transportation cost of energy substance, it may also be used for substitution traditional energy extracts chemical products with high added-value, is
The recycling of discarded fire-retardation artificial board provides effective way.But the plate combustibility that joined fire retardant reduces, it is right
The processing of waste artificial board has certain environmental pressure, therefore, to alleviate environmental pressure caused by discarded fire-retardation artificial board, effectively
It is particularly significant to the research of fire retardant using wooden resource.
And there is also what flame retardant property and mechanical property can not further increase to ask for traditional dedicated adhesive of fire-resistant-chipboard
Topic.Therefore, the shortcomings that how improving traditional fire-resistant-chipboard dedicated adhesive is it to obtain the promotion of more high combination property
It promotes and is applied to broader field, meet industrial production demand urgent problem to be solved.
Summary of the invention
The present invention solves the technical problem of: for the dedicated adhesive of traditional fire-resistant-chipboard there are flame retardant property and
The problem of mechanical property can not further increase provides a kind of dedicated adhesive of fire-resistant-chipboard.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that:
A kind of dedicated adhesive of fire-resistant-chipboard, is made of the raw material of following parts by weight:
20~30 parts of phenolic resin
20~30 parts of epoxy resin
30~40 parts of diluent
5~8 parts of curing agent
Modified 10~30 parts of annex solution
3~5 parts of surfactant
8~10 parts of modified flame-retardant agent
3~5 parts of calcium bicarbonate
3~5 parts of sodium bicarbonate
The process for preparation of the dedicated adhesive of fire-resistant-chipboard are as follows: each raw material is weighed by raw material composition, by phenolic resin, epoxy
Resin, diluent, curing agent, modified annex solution, surfactant, modified flame-retardant agent, calcium bicarbonate and sodium bicarbonate stirring are mixed
It closes to get the dedicated adhesive of fire-resistant-chipboard.
The phenolic resin is phenolic resin 2122, any one in phenolic resin 264 or phenolic resin 219.
The epoxy resin is any one in bisphenol-A liquid epoxy resin or bisphenol-f type liquid epoxies.
The diluent is acetone, any one in dimethylbenzene or ethyl alcohol.
The curing agent is m-phenylene diamine (MPD), any one in vinyl triamine or ethylenediamine.
The preparation process of the modified annex solution are as follows: sodium alginate is mixed with water 1:50~1:100 in mass ratio, is stood
After swelling, heating stirring dissolution is subsequently added into 0.01~0.02 times of sodium alginate quality of sodium metaperiodate, and heating stirring is reacted,
Up to modified annex solution.
The surfactant is sarcosyl, any in hydroxypropyl cellulose sodium or sodium cellulose glycolate
It is a kind of.
The preparation process of the modified flame-retardant agent are as follows: according to parts by weight, successively take 60~80 parts of activation chitosan liquid, 40
Activation chitosan liquid is stirred by~50 parts of gelatin solutions, 10~20 parts of glutaraldehyde solutions and 10~20 parts of hydrochloric acid with gelatin solution,
And hydrochloric acid and glutaraldehyde solution are sequentially added, and be passed through nitrogen treatment containing trimethyl aluminium, after being stirred, filtering, stripping and slicing is washed
It washs, is dried in vacuo, crush, sieving obtains modified flame-retardant agent.
The beneficial effects of the present invention are:
The present invention is by adding modified annex solution, modified flame-retardant agent and sodium bicarbonate, in use, firstly, since modified
Hydroxyl in annex solution on sodium alginate strand is oxidized to aldehyde radical, so aldol can occur with the hydroxyl on wood-fibred surface
Condensation reaction, so that system adhesion strength gets a promotion, meanwhile, the calcium ion in system can promote modified annex solution crosslinking,
Three-dimensional network is formed, the adhesion strength of system is further enhanced, calcium ion reaction under the conditions of high temperature fire, in three-dimensional network
Heat is absorbed, so that ignition point is not achieved in the temperature on system surface in a short time, so that the flame retardant property of system is improved,
Secondary, three-dimensional network can be fixed on modified flame-retardant agent is good in system, in heat curing process, due in modified glue powder
Containing the gel structure sensitive to pH, after being added in product, when near isoelectric points of proteins, gel is in contraction state,
When deviateing isoelectric point, it can expand or shrink with the change of the pH of environment, the sodium bicarbonate in system is thermally decomposed, raw
At sodium carbonate, so that the pH of system rises, carboxylic ions are mutually exclusive with negative electrical charge of the same race, so that system expands, one
Aspect, so that system is further compacted, so that the mechanical property of system gets a promotion, on the other hand, the process of system expansion has
Aluminium oxide conducive to the generation in system further disperses, to improve the flame retardant property of system.
Specific embodiment
Sodium alginate and water 1:50~1:100 in mass ratio are placed in a beaker, stir 10~20min with glass bar, it is quiet
It after setting 3~5h of swelling, placing the beaker digital display and tests the speed in constant temperature blender with magnetic force, be 90~95 DEG C in temperature, revolving speed is 300~
Under the conditions of 500r/min, heating stirring dissolve 40~60min, then into No. 1 beaker be added sodium alginate quality 0.01~
0.02 times of sodium metaperiodate, in temperature be 90~95 DEG C, revolving speed be 300~500r/min under the conditions of, heating stirring reaction 1~
2h is to get modified annex solution；In mass ratio it is that 1:50~1:100 is placed in No. 3 beakers by chitosan and water, is stirred with glass bar
After mixing 10~20min, 2~4h of swelling is stood, adds 0.06~0.08 times of chitosan mass of chitosan enzyme, and by No. 3
Beaker is placed in digital display and tests the speed in constant temperature blender with magnetic force, in temperature be 30~40 DEG C, under the conditions of revolving speed is 300~500r/min,
After 3~5h of constant temperature stirring enzymatic hydrolysis, 90~95 DEG C are warming up to, heat preservation 10~15min of enzyme deactivation must be activated after naturally cool to room temperature
Chitosan liquid；Jelly powder and water 1:50~1:100 in mass ratio are added in single-necked flask, 20 are stirred with glass bar~
After 30min, stand 3~4h of swelling, then single-necked flask immigration digital display is tested the speed constant temperature blender with magnetic force, in temperature be 40~65
DEG C, under the conditions of revolving speed is 400~500r/min, heating stirring dissolves 40~50min to get gelatin solution；According to parts by weight, according to
It is secondary to take 60~80 parts of activation chitosan liquid, 40~50 parts of gelatin solutions, the glutaraldehyde solution that 10~20 parts of mass fractions are 20~30%
Activation chitosan liquid and gelatin solution are placed in reaction kettle by the hydrochloric acid for being 20~30% with 10~20 parts of mass fractions, and will reaction
Kettle is placed in digital display and tests the speed in constant temperature blender with magnetic force, in temperature be 50~60 DEG C, it is permanent under the conditions of revolving speed is 300~500r/min
Temperature is stirred 30~50min, and hydrochloric acid and mass fraction that successively into reaction kettle, addition mass fraction is 20~30% are 20
~30% glutaraldehyde solution is 28~38 DEG C in temperature, revolving speed is stirred 10 under conditions of being 250~300r/min~
12h, and the rate of 30~50mL/min is continually fed into the 20~30min of nitrogen treatment containing trimethyl aluminium into reaction kettle, must mix
Slurries, then mixed serum is filtered, gel is obtained, by gel stripping and slicing, and is washed with deionized 5~6 days, is changed every 10~12h
Deionized water obtains gel piece, then by gel piece by the gel piece after washing in being dried in vacuo 3~5h under room temperature
It is placed in pulverizer and crushes, cross the sieve of 120 mesh to get modified flame-retardant agent；According to parts by weight, by 20~30 parts of phenolic resin,
20~30 parts of epoxy resin, 30~40 parts of diluents, 5~8 parts of curing agent, 10~30 parts of modified annex solutions, 3~5 parts of surfaces are living
Property agent, 8~10 parts of modified flame-retardant agent, 3~5 parts of calcium bicarbonates and 3~5 parts of sodium bicarbonates are placed in batch mixer, in revolving speed be 400
Under the conditions of~600r/min, 40~60min is stirred to get the dedicated adhesive of fire-resistant-chipboard.The phenolic resin is phenol
Any one in urea formaldehyde 2122, phenolic resin 264 or phenolic resin 219.The epoxy resin is bisphenol-A liquid asphalt mixtures modified by epoxy resin
Any one in rouge or bisphenol-f type liquid epoxies.The diluent is acetone, any one in dimethylbenzene or ethyl alcohol.
The curing agent is m-phenylene diamine (MPD), any one in vinyl triamine or ethylenediamine.The surfactant is dodecyl flesh
Any one in propylhomoserin sodium, hydroxypropyl cellulose sodium or sodium cellulose glycolate.Trimethyl aluminium in the nitrogen containing trimethyl aluminium
Volume content be 2~3%.
Sodium alginate and water 1:100 in mass ratio are placed in a beaker, stir 20min with glass bar, after standing swelling 5h,
Digital display is placed the beaker to test the speed in constant temperature blender with magnetic force, in temperature be 95 DEG C, under the conditions of revolving speed is 500r/min, heating stirring
Dissolve 60min, 0.02 times of sodium alginate quality of sodium metaperiodate be then added into No. 1 beaker, in temperature be 95 DEG C, revolving speed
Under the conditions of 500r/min, heating stirring reacts 2h to get modified annex solution；It is in mass ratio that 1:100 is placed in 3 by chitosan and water
In number beaker, after being stirred 20min with glass bar, swelling 4h is stood, 0.08 times of chitosan mass of chitosan enzyme is added,
And No. 3 beakers are placed in digital display and are tested the speed in constant temperature blender with magnetic force, in temperature be 40 DEG C, it is permanent under the conditions of revolving speed is 500r/min
After temperature stirring enzymatic hydrolysis 5h, 95 DEG C are warming up to, chitosan liquid must be activated by keeping the temperature enzyme deactivation 15min after naturally cool to room temperature；It will be bright
Rubber powder and water 1:100 in mass ratio are added in single-necked flask, after being stirred 30min with glass bar, stand swelling 4h, then will be single
Mouthful flask moves into digital display and tests the speed constant temperature blender with magnetic force, is 65 DEG C in temperature, under the conditions of revolving speed is 500r/min, heating stirring is molten
50min is solved to get gelatin solution；According to parts by weight, 80 parts of activation chitosan liquid, 50 parts of gelatin solutions, 20 parts of quality point are successively taken
Activation chitosan liquid and gelatin solution are placed in reaction kettle by the hydrochloric acid that number is 30% for 30% glutaraldehyde solution and 20 parts of mass fractions
In, and reaction kettle is placed in digital display and is tested the speed in constant temperature blender with magnetic force, in temperature be 60 DEG C, under the conditions of revolving speed is 500r/min,
Constant temperature is stirred 50min, and the hydrochloric acid and mass fraction that successively addition mass fraction is 30% into reaction kettle are the penta of 30%
Dialdehyde solution is 38 DEG C in temperature, and revolving speed is stirred 12h under conditions of being 300r/min, and the rate of 50mL/min is to anti-
It answers and is continually fed into the 30min of nitrogen treatment containing trimethyl aluminium in kettle, obtain mixed serum, then mixed serum is filtered, obtain gel, will coagulate
Glue stripping and slicing, and be washed with deionized 6 days, a deionized water is changed every 12h, by the gel piece after washing under room temperature
It is dried in vacuo 5h, gel piece is obtained, then gel piece is placed in pulverizer and is crushed, crosses the sieve of 120 mesh to get modified flame-retardant agent；
According to parts by weight, by 30 parts of phenolic resin, 30 parts of epoxy resin, 40 parts of diluents, 8 parts of curing agent, 30 parts of modified annex solutions,
5 parts of surfactants, 10 parts of modified flame-retardant agent, 5 parts of calcium bicarbonates and 5 parts of sodium bicarbonates are placed in batch mixer, are in revolving speed
Under the conditions of 600r/min, 60min is stirred to get the dedicated adhesive of fire-resistant-chipboard.The phenolic resin is phenolic resin
2122.The epoxy resin is bisphenol-A liquid epoxy resin.The diluent is acetone.The curing agent is m-phenylene diamine (MPD).
The surfactant is sarcosyl.The volume content of trimethyl aluminium is 3% in the nitrogen containing trimethyl aluminium.
In mass ratio it is that 1:100 is placed in No. 3 beakers by chitosan and water, after being stirred 20min with glass bar, stands
It is swollen 4h, adds 0.08 times of chitosan mass of chitosan enzyme, and No. 3 beakers are placed in digital display and are tested the speed constant temperature blender with magnetic force
In, it is 40 DEG C in temperature, under the conditions of revolving speed is 500r/min, after constant temperature stirring enzymatic hydrolysis 5h, is warming up to 95 DEG C, keeps the temperature enzyme deactivation
15min must activate chitosan liquid after naturally cool to room temperature；Single-necked flask is added in jelly powder and water 1:100 in mass ratio
In, after being stirred 30min with glass bar, swelling 4h is stood, then single-necked flask immigration digital display is tested the speed constant temperature blender with magnetic force,
It is 65 DEG C in temperature, under the conditions of revolving speed is 500r/min, heating stirring dissolves 50min to get gelatin solution；According to parts by weight,
Successively take 80 parts of activation chitosan liquid, 50 parts of gelatin solutions, the glutaraldehyde solution and 20 parts of mass fractions that 20 parts of mass fractions are 30%
For 30% hydrochloric acid, activation chitosan liquid and gelatin solution are placed in reaction kettle, and reaction kettle is placed in digital display and is tested the speed constant temperature magnetic force
It is 60 DEG C in temperature, under the conditions of revolving speed is 500r/min, constant temperature is stirred 50min, and successively into reaction kettle in blender
Be added mass fraction be 30% hydrochloric acid and mass fraction be 30% glutaraldehyde solution, in temperature be 38 DEG C, revolving speed 300r/
12h is stirred under conditions of min, and the rate of 50mL/min is continually fed into nitrogen treatment containing trimethyl aluminium into reaction kettle
30min obtains mixed serum, then mixed serum is filtered, and obtains gel, by gel stripping and slicing, and is washed with deionized 6 days, every
12h changes a deionized water, by the gel piece after washing in being dried in vacuo 5h under room temperature, gel piece is obtained, then by gel
Block is placed in pulverizer and crushes, and crosses the sieve of 120 mesh to get modified flame-retardant agent；According to parts by weight, by 30 parts of phenolic resin, 30
Part epoxy resin, 40 parts of diluents, 8 parts of curing agent, 5 parts of surfactants, 10 parts of modified flame-retardant agent, 5 parts of calcium bicarbonates and 5 parts
Sodium bicarbonate is placed in batch mixer, and under the conditions of revolving speed is 600r/min, it is dedicated to get fire-resistant-chipboard to be stirred 60min
Adhesive.The phenolic resin is phenolic resin 2122.The epoxy resin is bisphenol-A liquid epoxy resin.The dilution
Agent is acetone.The curing agent is m-phenylene diamine (MPD).The surfactant is sarcosyl.It is described to contain trimethyl aluminium
The volume content of trimethyl aluminium is 3% in nitrogen.
Sodium alginate and water 1:100 in mass ratio are placed in a beaker, stir 20min with glass bar, after standing swelling 5h,
Digital display is placed the beaker to test the speed in constant temperature blender with magnetic force, in temperature be 95 DEG C, under the conditions of revolving speed is 500r/min, heating stirring
Dissolve 60min, 0.02 times of sodium alginate quality of sodium metaperiodate be then added into No. 1 beaker, in temperature be 95 DEG C, revolving speed
Under the conditions of 500r/min, heating stirring reacts 2h to get modified annex solution；It is in mass ratio that 1:100 is placed in 3 by chitosan and water
In number beaker, after being stirred 20min with glass bar, swelling 4h is stood, 0.08 times of chitosan mass of chitosan enzyme is added,
And No. 3 beakers are placed in digital display and are tested the speed in constant temperature blender with magnetic force, in temperature be 40 DEG C, it is permanent under the conditions of revolving speed is 500r/min
After temperature stirring enzymatic hydrolysis 5h, 95 DEG C are warming up to, chitosan liquid must be activated by keeping the temperature enzyme deactivation 15min after naturally cool to room temperature；It will be bright
Rubber powder and water 1:100 in mass ratio are added in single-necked flask, after being stirred 30min with glass bar, stand swelling 4h, then will be single
Mouthful flask moves into digital display and tests the speed constant temperature blender with magnetic force, is 65 DEG C in temperature, under the conditions of revolving speed is 500r/min, heating stirring is molten
50min is solved to get gelatin solution；According to parts by weight, by 30 parts of phenolic resin, 30 parts of epoxy resin, 40 parts of diluents, 8 parts solid
Agent, 30 parts of modified annex solutions, 5 parts of surfactants, 5 parts of calcium bicarbonates and 5 parts of sodium bicarbonates are placed in batch mixer, in revolving speed
Under the conditions of 600r/min, 60min is stirred to get the dedicated adhesive of fire-resistant-chipboard.The phenolic resin is phenolic aldehyde tree
Rouge 2122.The epoxy resin is bisphenol-A liquid epoxy resin.The diluent is acetone.The curing agent is isophthalic two
Amine.The surfactant is sarcosyl.The volume content of trimethyl aluminium is in the nitrogen containing trimethyl aluminium
3%。
Sodium alginate and water 1:100 in mass ratio are placed in a beaker, stir 20min with glass bar, after standing swelling 5h,
Digital display is placed the beaker to test the speed in constant temperature blender with magnetic force, in temperature be 95 DEG C, under the conditions of revolving speed is 500r/min, heating stirring
Dissolve 60min, 0.02 times of sodium alginate quality of sodium metaperiodate be then added into No. 1 beaker, in temperature be 95 DEG C, revolving speed
Under the conditions of 500r/min, heating stirring reacts 2h to get modified annex solution；It is in mass ratio that 1:100 is placed in 3 by chitosan and water
In number beaker, after being stirred 20min with glass bar, swelling 4h is stood, 0.08 times of chitosan mass of chitosan enzyme is added,
And No. 3 beakers are placed in digital display and are tested the speed in constant temperature blender with magnetic force, in temperature be 40 DEG C, it is permanent under the conditions of revolving speed is 500r/min
After temperature stirring enzymatic hydrolysis 5h, 95 DEG C are warming up to, chitosan liquid must be activated by keeping the temperature enzyme deactivation 15min after naturally cool to room temperature；It will be bright
Rubber powder and water 1:100 in mass ratio are added in single-necked flask, after being stirred 30min with glass bar, stand swelling 4h, then will be single
Mouthful flask moves into digital display and tests the speed constant temperature blender with magnetic force, is 65 DEG C in temperature, under the conditions of revolving speed is 500r/min, heating stirring is molten
50min is solved to get gelatin solution；According to parts by weight, 80 parts of activation chitosan liquid, 50 parts of gelatin solutions, 20 parts of quality point are successively taken
Activation chitosan liquid and gelatin solution are placed in reaction kettle by the hydrochloric acid that number is 30% for 30% glutaraldehyde solution and 20 parts of mass fractions
In, and reaction kettle is placed in digital display and is tested the speed in constant temperature blender with magnetic force, in temperature be 60 DEG C, under the conditions of revolving speed is 500r/min,
Constant temperature is stirred 50min, and the hydrochloric acid and mass fraction that successively addition mass fraction is 30% into reaction kettle are the penta of 30%
Dialdehyde solution is 38 DEG C in temperature, and revolving speed is stirred 12h under conditions of being 300r/min, and the rate of 50mL/min is to anti-
It answers and is continually fed into the 30min of nitrogen treatment containing trimethyl aluminium in kettle, obtain mixed serum, then mixed serum is filtered, obtain gel, will coagulate
Glue stripping and slicing, and be washed with deionized 6 days, a deionized water is changed every 12h, by the gel piece after washing under room temperature
It is dried in vacuo 5h, gel piece is obtained, then gel piece is placed in pulverizer and is crushed, crosses the sieve of 120 mesh to get modified flame-retardant agent；
According to parts by weight, by 30 parts of phenolic resin, 30 parts of epoxy resin, 40 parts of diluents, 8 parts of curing agent, 30 parts of modified annex solutions,
5 parts of surfactants, 10 parts of modified flame-retardant agent and 5 parts of sodium bicarbonates are placed in batch mixer, under the conditions of revolving speed is 600r/min,
60min is stirred to get the dedicated adhesive of fire-resistant-chipboard.The phenolic resin is phenolic resin 2122.The asphalt mixtures modified by epoxy resin
Rouge is bisphenol-A liquid epoxy resin.The diluent is acetone.The curing agent is m-phenylene diamine (MPD).The surfactant
For sarcosyl.The volume content of trimethyl aluminium is 3% in the nitrogen containing trimethyl aluminium.
Sodium alginate and water 1:100 in mass ratio are placed in a beaker, stir 20min with glass bar, after standing swelling 5h,
Digital display is placed the beaker to test the speed in constant temperature blender with magnetic force, in temperature be 95 DEG C, under the conditions of revolving speed is 500r/min, heating stirring
Dissolve 60min, 0.02 times of sodium alginate quality of sodium metaperiodate be then added into No. 1 beaker, in temperature be 95 DEG C, revolving speed
Under the conditions of 500r/min, heating stirring reacts 2h to get modified annex solution；It is in mass ratio that 1:100 is placed in 3 by chitosan and water
In number beaker, after being stirred 20min with glass bar, swelling 4h is stood, 0.08 times of chitosan mass of chitosan enzyme is added,
And No. 3 beakers are placed in digital display and are tested the speed in constant temperature blender with magnetic force, in temperature be 40 DEG C, it is permanent under the conditions of revolving speed is 500r/min
After temperature stirring enzymatic hydrolysis 5h, 95 DEG C are warming up to, chitosan liquid must be activated by keeping the temperature enzyme deactivation 15min after naturally cool to room temperature；It will be bright
Rubber powder and water 1:100 in mass ratio are added in single-necked flask, after being stirred 30min with glass bar, stand swelling 4h, then will be single
Mouthful flask moves into digital display and tests the speed constant temperature blender with magnetic force, is 65 DEG C in temperature, under the conditions of revolving speed is 500r/min, heating stirring is molten
50min is solved to get gelatin solution；According to parts by weight, 80 parts of activation chitosan liquid, 50 parts of gelatin solutions, 20 parts of quality point are successively taken
Activation chitosan liquid and gelatin solution are placed in reaction kettle by the hydrochloric acid that number is 30% for 30% glutaraldehyde solution and 20 parts of mass fractions
In, and reaction kettle is placed in digital display and is tested the speed in constant temperature blender with magnetic force, in temperature be 60 DEG C, under the conditions of revolving speed is 500r/min,
Constant temperature is stirred 50min, and the hydrochloric acid and mass fraction that successively addition mass fraction is 30% into reaction kettle are the penta of 30%
Dialdehyde solution is 38 DEG C in temperature, and revolving speed is stirred 12h under conditions of being 300r/min, and the rate of 50mL/min is to anti-
It answers and is continually fed into the 30min of nitrogen treatment containing trimethyl aluminium in kettle, obtain mixed serum, then mixed serum is filtered, obtain gel, will coagulate
Glue stripping and slicing, and be washed with deionized 6 days, a deionized water is changed every 12h, by the gel piece after washing under room temperature
It is dried in vacuo 5h, gel piece is obtained, then gel piece is placed in pulverizer and is crushed, crosses the sieve of 120 mesh to get modified flame-retardant agent；
According to parts by weight, by 30 parts of phenolic resin, 30 parts of epoxy resin, 40 parts of diluents, 8 parts of curing agent, 30 parts of modified annex solutions,
5 parts of surfactants, 10 parts of modified flame-retardant agent, 5 parts of calcium bicarbonates are placed in batch mixer, under the conditions of revolving speed is 600r/min,
60min is stirred to get the dedicated adhesive of fire-resistant-chipboard.The phenolic resin is phenolic resin 2122.The asphalt mixtures modified by epoxy resin
Rouge is bisphenol-A liquid epoxy resin.The diluent is acetone.The curing agent is m-phenylene diamine (MPD).The surfactant
For sarcosyl.The volume content of trimethyl aluminium is 3% in the nitrogen containing trimethyl aluminium.
Comparative example: the dedicated adhesive of fire-resistant-chipboard of Foshan material production Co., Ltd production.
Example 1 to the dedicated adhesive of the resulting fire-resistant-chipboard of example 5 and comparative example product are subjected to performance detection, specifically
Detection method is as follows:
Test specimen oxygen index (OI) is detected according to GB8624；The anti-folding for detecting the above-mentioned particieboard using after test specimen according to GB/T7019 is strong
Degree.
Specific testing result is as shown in table 1:
The specific testing result of the dedicated adhesive of 1 fire-resistant-chipboard of table
| Detection project | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Comparative example |
| Oxygen index (OI)/% | 56 | 41 | 34 | 39 | 37 | 31 |
| Flexural strength/MPa | 16.4 | 12.7 | 10.8 | 11.3 | 10.6 | 8.7 |
By 1 testing result of table it is found that the dedicated adhesive of fire-resistant-chipboard of technical solution of the present invention preparation have it is excellent fire-retardant
The characteristics of performance and mechanical property, has broad prospects in the development of building material technology industry.
Claims (8)
1. a kind of dedicated adhesive of fire-resistant-chipboard, it is characterised in that: be made of the raw material of following parts by weight:
20~30 parts of phenolic resin
20~30 parts of epoxy resin
30~40 parts of diluent
5~8 parts of curing agent
Modified 10~30 parts of annex solution
3~5 parts of surfactant
8~10 parts of modified flame-retardant agent
3~5 parts of calcium bicarbonate
3~5 parts of sodium bicarbonate
The process for preparation of the dedicated adhesive of fire-resistant-chipboard are as follows: each raw material is weighed by raw material composition, by phenolic resin, epoxy
Resin, diluent, curing agent, modified annex solution, surfactant, modified flame-retardant agent, calcium bicarbonate and sodium bicarbonate stirring are mixed
It closes to get the dedicated adhesive of fire-resistant-chipboard.
2. the dedicated adhesive of a kind of fire-resistant-chipboard according to claim 1, it is characterised in that: the phenolic resin is phenolic aldehyde
Any one in resin 2122, phenolic resin 264 or phenolic resin 219.
3. the dedicated adhesive of a kind of fire-resistant-chipboard according to claim 1, it is characterised in that: the epoxy resin is bis-phenol
Any one in A type liquid epoxies or bisphenol-f type liquid epoxies.
4. the dedicated adhesive of a kind of fire-resistant-chipboard according to claim 1, it is characterised in that: the diluent is acetone,
Any one in dimethylbenzene or ethyl alcohol.
5. the dedicated adhesive of a kind of fire-resistant-chipboard according to claim 1, it is characterised in that: the curing agent is isophthalic two
Any one in amine, vinyl triamine or ethylenediamine.
6. the dedicated adhesive of a kind of fire-resistant-chipboard according to claim 1, it is characterised in that: the system of the modified annex solution
Standby process are as follows: sodium alginate mix with water 1:50~1:100 in mass ratio, is stood after being swollen, heating stirring dissolves, then plus
Enter 0.01~0.02 times of sodium alginate quality of sodium metaperiodate, heating stirring reaction is to get modified annex solution.
7. the dedicated adhesive of a kind of fire-resistant-chipboard according to claim 1, it is characterised in that: the surfactant is ten
Any one in sarkosyl sodium, hydroxypropyl cellulose sodium or sodium cellulose glycolate.
8. the dedicated adhesive of a kind of fire-resistant-chipboard according to claim 1, it is characterised in that: the system of the modified flame-retardant agent
Standby process are as follows: according to parts by weight, successively take 60~80 parts of activation chitosan liquid, 40~50 parts of gelatin solutions, 10~20 part penta 2
Activation chitosan liquid is stirred with gelatin solution by aldehyde solution and 10~20 parts of hydrochloric acid, and sequentially adds hydrochloric acid and glutaraldehyde is molten
Liquid, and it is passed through nitrogen treatment containing trimethyl aluminium, after being stirred, filtering, stripping and slicing is washed, and is dried in vacuo, and is crushed, and sieving must change
Sex flame retardant.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811130381.XA CN109181598A (en) | 2018-09-27 | 2018-09-27 | A kind of dedicated adhesive of fire-resistant-chipboard |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811130381.XA CN109181598A (en) | 2018-09-27 | 2018-09-27 | A kind of dedicated adhesive of fire-resistant-chipboard |
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Application publication date: 20190111 |