CN107805468A - A kind of glued board zero aldehyde adhesive and preparation method thereof - Google Patents
A kind of glued board zero aldehyde adhesive and preparation method thereof Download PDFInfo
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- CN107805468A CN107805468A CN201711078830.6A CN201711078830A CN107805468A CN 107805468 A CN107805468 A CN 107805468A CN 201711078830 A CN201711078830 A CN 201711078830A CN 107805468 A CN107805468 A CN 107805468A
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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
- C09J105/00—Adhesives based on polysaccharides or on their derivatives, not provided for in groups C09J101/00 or C09J103/00
- C09J105/04—Alginic acid; Derivatives thereof
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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
- C09J1/00—Adhesives based on inorganic constituents
- C09J1/02—Adhesives based on inorganic constituents containing water-soluble alkali silicates
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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
- 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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention relates to glued board technical field, in particular it relates to a kind of glued board zero aldehyde adhesive and preparation method thereof.The invention provides a kind of glued board zero aldehyde adhesive and preparation method thereof, include each component of following parts by weight:10 20 parts of waterglass, 5 15 parts of auxiliary agent, 20 30 parts of sodium alginate, 10 20 parts of gelatin, 35 parts of prodan, 5 10 parts of halogen-free flame retardants；20 30 points of cationic water.The adhesive viscosity performance is good, without formaldehydes product, not release formaldehyde, and toluene, dimethylbenzene etc., and fire prevention A2 levels can be reached, without any toxic gas smog emission.
Description
Technical field
The present invention relates to glued board technical field, in particular it relates to a kind of glued board zero aldehyde adhesive and its preparation side
Method.
Background technology
In recent years, China's industry of artificial boards is developed rapidly, and according to records, China's glued board yield in 2003 is 21,020,000
Cubic meter, core-board yield is 617 ten thousand steres.So far wood-based plate manufacture maximum in the world and exported country are had become
Family.The manufacturing of wood-based plate, necessarily involve the application of adhesive, nowadays adhesive main component be urea-formaldehyde glue (UF),
Phenol glue (PF) and the Melmex of urea one (UMF), according to the leading position of industry of artificial boards adhesive.Such as Shen
Please number be CN201710317130.1 Chinese invention patent, disclose a kind of special viscose glue mixture of wood plywood, mainly by
Following raw material is made：Green starch, bisphenol A epoxide resin, modifying agent, urea, formaldehyde, melamine rubber powder, lignin, biology
Enzyme, potassium hydrogen persulfate, poly- Synthesis of Oligo Ethylene Glycol, chitosan, polyvinyl alcohol and calgon.Present invention uses formaldehyde as viscous
The main component of adhesive.However, these adhesive easily cause formaldehyde pollution, formaldehyde may cause children to obtain leukaemia；First
Aldehyde also has toxic action to the eye of human body, respiratory system, PFT, nervous function and immune system, is determined
Justice is the first big hazardous material of room air pollution, is more and more paid close attention to and recognizes by people, Formaldehyde Pollution of Indoor Air problem
Also how industry of artificial boards urgent problem, prevent the release of formaldehyde from root, and many enterprises also all attempted a lot
Method, the methods of formaldehyde catching agent of amine, the extent of reaction of increase adhesive synthesis, sheet material table spray sealer is such as added,
But these methods are all unsatisfactory, still there are many deficiencies, the burst size of methanal of sheet material can barely reach E0 standards, but glue
Formaldehyde in stick is still sustained release.For that purpose it is necessary to solve problem from root, the gluing of zero formaldehyde is researched and developed
Agent, to improve the quality of life of people and health.
The content of the invention
For overcome the deficiencies in the prior art, the invention provides a kind of glued board zero aldehyde adhesive and its preparation side
Method, the adhesive viscosity performance is good, without formaldehydes product, not release formaldehyde, and toluene, dimethylbenzene etc., and can reach anti-
Fiery A2 levels, without any toxic gas smog emission.
Technical scheme is as follows：A kind of zero aldehyde adhesive of glued board, include each component of following parts by weight:Water
Glass 10-20 parts, auxiliary agent 5-15 parts, sodium alginate 20-30 parts, gelatin 10-20 parts, prodan 3-5 parts, halogen-free flame retardants 5-
10 parts；20-30 points of cationic water.
It is preferred that described waterglass 12-18 parts, auxiliary agent 7-10 parts；Sodium alginate 25-30 parts, gelatin 10-25 parts, fluorine silicon
Sour sodium 3-5 parts, halogen-free flame retardants 5-8 parts.
It is preferred that the auxiliary agent includes thickener 3-10 parts, preservative 1-2 parts, silane coupler 1-3 parts.
The thickener includes each component of following parts by weight：Flour 5-10 parts, pyrophillite powder 2-8 parts, tapioca starch 2-7
Part, titanium dioxide 10-12 parts, pentaerythrite 4-6 parts, modified attapulgite clay 10-12 parts, modified alta-mud 7-9 parts, polyethylene
Alcohol 4-6 parts, deionized water 10-30 parts.
The preservative is potassium sorbate, natrium nitrosum, sodium benzoate, sodium Diacetate, calcium propionate, dodecyl dimethyl
Benzylphosphonium Bromide ammonium, dodecyl benzyl dimethyl ammonium chloride, DTAC, methyl hydroxybenzoate, to hydroxyl
One or more in yl benzoic acid butyl ester.
The halogen-free flame retardants is：The agent of phosphorus fire-retardant, inorganic combustion inhibitor, expansion type flame retardant, magnesium hydroxide, hydroxide
One or more compositions in aluminium and Firebrake ZB.
The glued board preparation method of zero aldehyde adhesive, comprises the following steps：
(1) waterglass is dropped in reactor, is heated up to 30-50 °, added cationic water, stir, make reactor
When interior temperature reaches more than 60 °, auxiliary agent is launched；
(2) after stirring, sodium alginate and gelatin is sequentially put into, is stirred；
(3) halogen-free flame retardants is launched when reactor in-furnace temperature is at 75-80 °, stirred；
(4) reactor inner furnace body temperature is cooled down to 30-40 °, packing；
(5) prodan 3 for launching -5% mass parts when using again stirs and can constructed.
The present invention uses newest research and development technology, and by nontoxic material, Novel glue is condensed into by certain chemical reaction
Mixture, traditional adhesive pattern is broken through, zero aldehyde adhesive of glued board is produced using most up-to-date techniques.Wherein, waterglass is also known as
Sodium silicate, the present invention are used cooperatively using the waterglass and prodan of liquid.The aerial condensation cure of waterglass is main
Realized by being carbonized and being dehydrated crystallization two processes of consolidation.With the progress of carburizing reagent, amount of silica gel increases, then certainly
Hardening is condensed into solid SiO2 with Silicagel dehydration by moisture evaporation, is characterized in：1 speed is slow.Due to Carbon Dioxide in Air
Concentration is low, therefore carburizing reagent and whole condensation cure process are very slow.2. volume contraction.3. low intensity.In order to accelerate water glass
The condensation cure speed and raising intensity of glass, the present invention is using prodan as curing agent.The use of waterglass and prodan
The ratio between amount is 20:3-10:6, volume is few, and condensation cure is slow, and low intensity；Volume is too many, then condenses and harden too fast, inconvenience construction
Operation, though and early strength after hardening it is high, later strength substantially reduces.
In addition, the adhesivity of water glass solution is with the difference of modulus and concentration and in interior variation in a big way.The present invention
It is middle be not less than using modulus 313~315 waterglass, its ultimate tension reaches 7~8MPa, shearing strength is 10~
11MPa, its silica content is more, and viscosity is big, and combustibility is substantially reduced after water glass solution impregnates with glued board.
The gelatin has high intensity, elasticity and toughness, in glued board mainly have thickening, stably, cohesion, adjust
With the effect such as, glazing, starching, bonding, solid water.
The prodan is mainly used as the preservative in timber.
The halogen-free flame retardants assigns glued board superpower fire protecting performance, its fire-protection rating is reached A2 levels.
The main function of the thickener is the fillibility and caking property for improving adhesive, strengthens its glue performance.
Thickener of the present invention contains flour, pyrophillite powder, tapioca starch, titanium dioxide, pentaerythrite, modified attapulgite
Stone clay, modified alta-mud, polyvinyl alcohol, the fillibility and bonding of these combinations of substances resulting mixtures, not only raising adhesive
Property, also strengthen its glue performance.
The silane coupler enhances the caking property and compatibility between component so that each component is tightly combined, compatible
Property is good.
Beneficial effects of the present invention are：Glued board of the present invention zero aldehyde adhesive and preparation method thereof, component is honest and clean
Valency is easy to get, and cost is cheap, and the adhesive viscosity performance is good, without formaldehydes product, not release formaldehyde, and toluene, dimethylbenzene etc.,
And fire prevention A2 levels can be reached, without any toxic gas smog emission.
Embodiment
In order that the goal of the invention of the present invention, technical scheme and technique effect are more clearly understood, with reference to specific reality
Applying mode, the present invention is described further.It should be understood that specific embodiment described herein, is only used for explaining the present invention,
It is not intended to limit the present invention.
A kind of embodiment one glued board, zero aldehyde adhesive, include each component of following parts by weight:10 parts of waterglass, auxiliary agent
5 parts, 30 parts of sodium alginate, 20 parts of gelatin, 3 parts of prodan, 10 parts of halogen-free flame retardants；25 parts of cationic water.
The auxiliary agent includes 8 parts of thickener, 1.5 parts of preservative, 2 parts of silane coupler.
The thickener includes each component of following parts by weight：10 parts of flour, 6 parts of pyrophillite powder, 5 parts of tapioca starch, titanium
11 parts of white powder, 5 parts of pentaerythrite, 12 parts of modified attapulgite clay, 7 parts of modified alta-mud, 4 parts of polyvinyl alcohol, deionized water
20 parts.Taken after each component is well mixed.
The preservative is potassium sorbate.
The halogen-free flame retardants is phosphorus fire-retardant agent.
The glued board preparation method of zero aldehyde adhesive, comprises the following steps：
(1) waterglass is dropped in reactor, is heated up to 30 °, added cationic water, stir, make in reactor
When temperature reaches more than 60 °, auxiliary agent is launched；
(2) after stirring, sodium alginate and gelatin is sequentially put into, is stirred；
(3) halogen-free flame retardants is launched when reactor in-furnace temperature is at 75-80 °, stirred；
(4) reactor inner furnace body temperature is cooled down to 40 °, packing；
(5) prodan 3 for launching -5% mass parts when using again stirs and can constructed.
Embodiment two, a kind of zero aldehyde adhesive of glued board, include each components of following parts by weight:15 parts of waterglass, is helped
15 parts of agent, 25 parts of sodium alginate, 15 parts of gelatin, 4 parts of prodan, 5 parts of halogen-free flame retardants；30 parts of cationic water.
The auxiliary agent includes 10 parts of thickener, 1 part of preservative, 1 part of silane coupler.
The thickener includes each component of following parts by weight：5 parts of flour, 5 parts of pyrophillite powder, 2 parts of tapioca starch, titanium white
10 parts of powder, 6 parts of pentaerythrite, 11 parts of modified attapulgite clay, 9 parts of modified alta-mud, 6 parts of polyvinyl alcohol, deionized water 10
Part.Taken after each component is well mixed.
The preservative is natrium nitrosum.
The halogen-free flame retardants is one or more compositions in aluminium hydroxide and Firebrake ZB.
The glued board preparation method of zero aldehyde adhesive, comprises the following steps：
(1) waterglass is dropped in reactor, is heated up to 45 °, added cationic water, stir, make in reactor
When temperature reaches more than 60 °, auxiliary agent is launched；
(2) after stirring, sodium alginate and gelatin is sequentially put into, is stirred；
(3) halogen-free flame retardants is launched when reactor in-furnace temperature is at 75 °, stirred；
(4) reactor inner furnace body temperature is cooled down to 35 °, packing；
(5) prodan 3 for launching -5% mass parts when using again stirs and can constructed.
Embodiment three, a kind of zero aldehyde adhesive of glued board, include each components of following parts by weight:20 parts of waterglass, is helped
10 parts of agent, 20 parts of sodium alginate, 10 parts of gelatin, 5 parts of prodan, 7 parts of halogen-free flame retardants；20 parts of cationic water.
The auxiliary agent includes 3 parts of thickener, 2 parts of preservative, 3 parts of silane coupler.
The thickener includes each component of following parts by weight：8 parts of flour, 4 parts of pyrophillite powder, 7 parts of tapioca starch, titanium white
12 parts of powder, 4 parts of pentaerythrite, 10 parts of modified attapulgite clay, 8 parts of modified alta-mud, 5 parts of polyvinyl alcohol, deionized water 30
Part.Taken after each component is well mixed.
The preservative is potassium sorbate, natrium nitrosum and dodecyl benzyl dimethyl ammonium chloride.
The halogen-free flame retardants is the composition of magnesium hydroxide, aluminium hydroxide and Firebrake ZB.
The glued board preparation method of zero aldehyde adhesive, comprises the following steps：
(1) waterglass is dropped in reactor, is heated up to 30 °, added cationic water, stir, make in reactor
When temperature reaches more than 60 °, auxiliary agent is launched；
(2) after stirring, sodium alginate and gelatin is sequentially put into, is stirred；
(3) halogen-free flame retardants is launched when reactor in-furnace temperature is at 80 °, stirred；
(4) reactor inner furnace body temperature is cooled down to 40 °, packing；
(5) prodan 3 for launching -5% mass parts when using again stirs and can constructed.
A kind of zero aldehyde adhesive of glued board of example IV, include each component of following parts by weight:15 parts of the waterglass,
7 parts of auxiliary agent；30 parts of sodium alginate, 20 parts of gelatin, 5 parts of prodan, 7 parts of halogen-free flame retardants.
The auxiliary agent includes 10 parts of thickener, 2 parts of preservative, 2 parts of silane coupler.
The thickener includes each component of following parts by weight：6 parts of flour, 8 parts of pyrophillite powder, 4 parts of tapioca starch, titanium white
11 parts of powder, 5 parts of pentaerythrite, 12 parts of modified attapulgite clay, 8 parts of modified alta-mud, 4 parts of polyvinyl alcohol, deionized water 28
Part.Taken after each component is well mixed.
The preservative is potassium sorbate, natrium nitrosum, sodium benzoate, sodium Diacetate, calcium propionate, dodecyl dimethyl
Benzylphosphonium Bromide ammonium, dodecyl benzyl dimethyl ammonium chloride, DTAC, methyl hydroxybenzoate, to hydroxyl
One or more in yl benzoic acid butyl ester.
The halogen-free flame retardants is expansion type flame retardant and magnesium hydroxide.
The glued board preparation method of zero aldehyde adhesive, comprises the following steps：
(1) waterglass is dropped in reactor, is heated up to 50 °, added cationic water, stir, make in reactor
When temperature reaches more than 60 °, auxiliary agent is launched；
(2) after stirring, sodium alginate and gelatin is sequentially put into, is stirred；
(3) halogen-free flame retardants is launched when reactor in-furnace temperature is at 75 °, stirred；
(4) reactor inner furnace body temperature is cooled down to 40 °, packing；
(5) prodan 3 for launching -5% mass parts when using again stirs and can constructed.
A kind of embodiment five glued boards, zero aldehyde adhesive, include each component of following parts by weight:18 parts of the waterglass,
8 parts of auxiliary agent；25 parts of sodium alginate, 25 parts of gelatin, 3 parts of prodan, 5 parts of halogen-free flame retardants.
The auxiliary agent includes 6 parts of thickener, 1.5 parts of preservative, 3 parts of silane coupler.
The thickener includes each component of following parts by weight：7 parts of flour, 2 parts of pyrophillite powder, 3 parts of tapioca starch, titanium white
10 parts of powder, 6 parts of pentaerythrite, 11 parts of modified attapulgite clay, 8 parts of modified alta-mud, 6 parts of polyvinyl alcohol, deionized water 26
Part.Taken after each component is well mixed.
The preservative is dodecyl benzyl dimethyl ammonium chloride.
The halogen-free flame retardants is inorganic combustion inhibitor.
The glued board preparation method of zero aldehyde adhesive, comprises the following steps：
(1) waterglass is dropped in reactor, is heated up to 45 °, added cationic water, stir, make in reactor
When temperature reaches more than 60 °, auxiliary agent is launched；
(2) after stirring, sodium alginate and gelatin is sequentially put into, is stirred；
(3) halogen-free flame retardants is launched when reactor in-furnace temperature is at 78 °, stirred；
(4) reactor inner furnace body temperature is cooled down to 35 °, packing；
(5) prodan 3 for launching -5% mass parts when using again stirs and can constructed.
A kind of embodiment six glued boards, zero aldehyde adhesive, include each component of following parts by weight:12 parts of the waterglass,
10 parts of auxiliary agent；28 parts of sodium alginate, 10 parts of gelatin, 4 parts of prodan, 8 parts of halogen-free flame retardants.
The auxiliary agent includes 8 parts of thickener, 1 part of preservative, 3 parts of silane coupler.
The thickener includes each component of following parts by weight：9 parts of flour, 7 parts of pyrophillite powder, 6 parts of tapioca starch, titanium white
12 parts of powder, 4 parts of pentaerythrite, 12 parts of modified attapulgite clay, 7 parts of modified alta-mud, 5 parts of polyvinyl alcohol, deionized water 14
Part.Taken after each component is well mixed.
The preservative is natrium nitrosum and DTAC, methyl hydroxybenzoate.
The halogen-free flame retardants is：Phosphorus fire-retardant agent.
The glued board preparation method of zero aldehyde adhesive, comprises the following steps：
(1) waterglass is dropped in reactor, is heated up to 40 °, added cationic water, stir, make in reactor
When temperature reaches more than 60 °, auxiliary agent is launched；
(2) after stirring, sodium alginate and gelatin is sequentially put into, is stirred；
(3) halogen-free flame retardants is launched when reactor in-furnace temperature is at 75 °, stirred；
(4) reactor inner furnace body temperature is cooled down to 30 °, packing；
(5) prodan 3 for launching -5% mass parts when using again stirs and can constructed.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, its framework form can be flexible and changeable, can be with subseries product.Simply make some
Simple deduction or replace, it should all be considered as belonging to the scope of patent protection that the present invention is determined by the claims submitted.
Claims (8)
1. zero aldehyde adhesive of a kind of glued board, it is characterised in that include each component of following parts by weight:Waterglass 10-20 parts,
Auxiliary agent 5-15 parts, sodium alginate 20-30 parts, gelatin 10-20 parts, prodan 3-5 parts, halogen-free flame retardants 5-10 parts；Cation
20-30 points of water.
2. zero aldehyde adhesive of glued board as claimed in claim 1, it is characterised in that described waterglass 12-18 parts, auxiliary agent 7-
10 parts；Sodium alginate 25-30 parts, gelatin 10-25 parts, prodan 3-5 parts, halogen-free flame retardants 5-8 parts.
3. zero aldehyde adhesive of glued board as claimed in claim 1 or 2, it is characterised in that the auxiliary agent includes thickener 3-
10 parts, preservative 1-2 parts, silane coupler 1-3 parts.
4. zero aldehyde adhesive of glued board as claimed in claim 3, it is characterised in that the thickener includes following parts by weight
Each component：Flour 5-10 parts, pyrophillite powder 2-8 parts, tapioca starch 2-7 parts, titanium dioxide 10-12 parts, pentaerythrite 4-6 parts,
Modified attapulgite clay 10-12 parts, modified alta-mud 7-9 parts, polyvinyl alcohol 4-6 parts, deionized water 10-30 parts.
5. zero aldehyde adhesive of glued board as claimed in claim 4, it is characterised in that the preservative is potassium sorbate, Asia
Sodium nitrate, sodium benzoate, sodium Diacetate, calcium propionate, dodecyl dimethyl benzyl ammonium bromide, dodecyl dimethyl benzyl chloride
Change the one or more in ammonium, DTAC, methyl hydroxybenzoate, butyl p-hydroxybenzoate.
6. zero aldehyde adhesive of glued board as claimed in claim 1 or 2, it is characterised in that the halogen-free flame retardants is：Phosphorus system
One or more groups in row fire retardant, inorganic combustion inhibitor, expansion type flame retardant, magnesium hydroxide, aluminium hydroxide and Firebrake ZB
Compound.
7. zero aldehyde adhesive of glued board as claimed in claim 1 or 2, it is characterised in that the modulus of the waterglass is 313
~315, its tensile strength is 7~8MPa, and shearing strength is 10~11MPa.
8. the preparation method of zero aldehyde adhesive of glued board as described in claim any one of 1-7, it is characterised in that including such as
Lower step：
(1) waterglass is dropped in reactor, is heated up to 30-50 °, added cationic water, stir, made warm in reactor
When degree reaches more than 60 °, auxiliary agent is launched；
(2) after stirring, sodium alginate and gelatin is sequentially put into, is stirred；
(3) halogen-free flame retardants is launched when reactor in-furnace temperature is at 75-80 °, stirred；
(4) reactor inner furnace body temperature is cooled down to 30-40 °, packing；
(5) prodan 3 for launching -5% mass parts when using again stirs and can constructed.
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| CN201711078830.6A CN107805468A (en) | 2017-11-04 | 2017-11-04 | A kind of glued board zero aldehyde adhesive and preparation method thereof |
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| CN201711078830.6A CN107805468A (en) | 2017-11-04 | 2017-11-04 | A kind of glued board zero aldehyde adhesive and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110540805A (en) * | 2019-09-16 | 2019-12-06 | 晋江市千山新材料科技有限公司 | Aldehyde-free fireproof adhesive for plywood and preparation method thereof |
| CN114854368A (en) * | 2022-04-21 | 2022-08-05 | 贵州合圣材料科技有限公司 | Formaldehyde-free flame-retardant waterproof adhesive and preparation method thereof |
| CN115572575A (en) * | 2022-10-26 | 2023-01-06 | 合肥科天水性科技有限责任公司 | Environment-friendly water-based wood adhesive and preparation method thereof |
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| CN114854368A (en) * | 2022-04-21 | 2022-08-05 | 贵州合圣材料科技有限公司 | Formaldehyde-free flame-retardant waterproof adhesive and preparation method thereof |
| CN115572575A (en) * | 2022-10-26 | 2023-01-06 | 合肥科天水性科技有限责任公司 | Environment-friendly water-based wood adhesive and preparation method thereof |
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