CN108219735A - A kind of preparation method of flame retardant type nail-free glue - Google Patents
A kind of preparation method of flame retardant type nail-free glue Download PDFInfo
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- CN108219735A CN108219735A CN201711363867.3A CN201711363867A CN108219735A CN 108219735 A CN108219735 A CN 108219735A CN 201711363867 A CN201711363867 A CN 201711363867A CN 108219735 A CN108219735 A CN 108219735A
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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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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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
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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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
- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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 present invention relates to technical field of adhesive preparation, and in particular to a kind of preparation method of flame retardant type nail-free glue.The present invention is using polyurethane as matrix,Modification infusorial earth powder,Dispersion liquid and modified nano montmorillonite are made by oneself as reinforcing agent,And it is aided with amber powder,Flame retardant type nail-free glue is prepared in dimethicone and lauryl sodium sulfate etc.,Modified diatomite and sucrose,Yoghourt co-fermentation,So that macromolecular carbohydrate is grafted to diatomite surface under the action of microorganism,Enhance the caking property of diatomite and other fillers,It is improved the intensity of nail-free glue simultaneously,Silica has certain anti-flammability,Melamine is thermally decomposed,Charring layer is promoted to expand,Transmission of the thermal energy to matrix is obstructed,Improve the anti-flammability of nail-free glue,Continuously add nano imvite,Be conducive to the intercalation of polymer substance,Improve the regularity of molecules align in matrix,So as to improve the crystallinity of nail-free glue,Further improve the intensity of nail-free glue,It is with a wide range of applications.
Description
Technical field
The present invention relates to technical field of adhesive preparation, and in particular to a kind of preparation method of flame retardant type nail-free glue.
Background technology
Nail-free glue refers to a kind of extremely strong multi-use architecture structure seccotine of bonding force, is mainly used for being adhesively fixed various
Wood strip, door sleeve, gypsum line, floor tile, various decoration hangers and various wallboard engineerings etc..With adhering speed is fast, intensity
High, applied widely, the features such as solid content is high, Storage period is long, easy for construction, alternative traditional nailing construction technology, in state
Outer generally to claim liquid nail, nail-free glue is in the country.Nailing, the jewel hole of indoor and outdoor decoration use before nail-free glue gradually replaces in recent years
Etc. fixed forms, effectively prevent noise and dust pollution, also mitigate the destruction to building structure, obtained more and more extensive
Application.
At present, nail-free glue in the market is broadly divided into two class of solvent volatile-type and moisture-curable, and is exempted from solvent type
It follows closely based on glue.Solvent type nail-free glue is by the way that solvent type neoprene, SBS rubber, styrene rubber are dissolved in organic solvent
It is prepared, solvent type nail-free glue contains toxic volatile solvent, pollutes environment, human body is caused huge harm, is eliminated at last.
Moisture-curable nail-free glue slowly starts to be received by people due to being free of solvent.Moisturecuring currently on the market
Class product is mainly silicone or MS class products, and organotin catalysts are all must be added to ensure product in this two classes product
Curing rate although the use of organotin catalysts not yet causes common concern at home, is put into correlation already in Europe
In the limitation list of substances of regulation.
Most nail-free glues are there are the problems such as tack is poor, durability is poor, intensity is relatively low on the market at present, particularly low
Easy crystallisation solidification under the conditions of temperature, may crystallize less than 0 DEG C.In addition, in practical applications such as construction and decoration, cabinet advertisements
In, there is special demand again to the anti-flammability of adhesive, the nail-free glue to circulate currently on the market does not have the characteristics of fire-retardant generally,
Affect its popularization.
Therefore, developing a kind of nail-free glue that can solve above-mentioned performance issue is highly desirable.
Invention content
The technical problems to be solved by the invention：For current common nail-free glue there are poor fire and intensity are low, meet
Not the defects of market demands, a kind of preparation method of flame retardant type nail-free glue is provided.
In order to solve the above technical problems, the present invention is using technical solution as described below：
A kind of preparation method of flame retardant type nail-free glue, it is characterised in that specifically preparation process is：
（1）Weigh 16~20g diatomite grinding after cross 120 mesh sieve, collect sieving diatomite powder, will sieving diatomite powder and
Silane coupling reagent KH-570 is mixed, and obtains mixture, mixture is put into sucrose and mixing with mixture quality 5%
It in the fermentation tank of the Yoghourt of amount of substance 0.4%, is sealed by fermentation, after fermentation, takes out tunning, as modification infusorial earth powder
End；
（2）Ammonium polyphosphate, melamine and pentaerythrite are mixed, obtain mixture, then mixing is added in into mixture
The polyethylene glycol of amount of substance 3% and the deionized water of 1~3 times of mixture quality, continue to be mixed, and obtain self-control dispersion liquid；
（3）It weighs 24~32g nano imvites and pours into 80~100mL deionized waters and be mixed, obtain nano imvite and hang
Supernatant liquid by nano imvite suspension and sodium bicarbonate solution hybrid reaction, obtains reaction solution, and the pH of reaction solution is adjusted with hydrochloric acid
To 4~6, pour into centrifuge and centrifuge after adjusting, remove filtrate, take out the nano imvite of lower sediment, lower floor is sunk
The nano imvite in shallow lake is placed in oven and dried, and grinding discharging obtains purified nanotubes montmorillonite；
（4）Purified nanotubes montmorillonite, absolute ethyl alcohol, silane coupling agent KH-560 and deionized water are mixed to be placed in blender and stirred
After mixing, filtering removal filtrate takes out filter residue, as dry discharging, modified nano montmorillonite；
（5）It counts in parts by weight, weighs 30~40 parts of polyurethane, 12~16 parts of modification infusorial earth powder, 8~10 parts of self-controls respectively
Dispersion liquid, 6~8 parts of modified nano montmorillonites and 16~20 parts of deionized water mixing are placed in blender and stir, then add 3~5
Part amber powder, 2~4 parts of dimethicones, 1~3 part of lauryl sodium sulfate and 6~8 parts of deionized waters continue heat preservation mixing and stir
It mixes, cooling discharging, tinning can be prepared by flame retardant type nail-free glue.
Step（1）The milling time is 8~10min, the matter of be sieved diatomite powder and Silane coupling reagent KH-570
Amount is than being 5：1, mixing time is 5~7min, and fermentation temperature is 35~40 DEG C, and fermentation time is 7~9 days.
Step（2）The mass ratio of the ammonium polyphosphate, melamine and pentaerythrite is 2：1：1, mixing time for 3~
5min, continuation mixing time are 12~16min.
Step（3）The mixing time is 4~6min, nano imvite suspension and the carbonic acid that mass fraction is 10%
The volume ratio of hydrogen sodium solution is 4：1, the reaction time is 45~60min, and the mass fraction of hydrochloric acid is 15%, disengaging time for 10~
12min, drying temperature are 55~75 DEG C, and drying time is 6~8min.
Step（4）Purified nanotubes montmorillonite suspension liquid, absolute ethyl alcohol, silane coupling agent KH-560 and the deionized water
Volume ratio be 1：1：2：4, whipping temp is 65~85 DEG C, and mixing time is 1~2h.
Step（5）The whipping temp is 100~120 DEG C, and speed of agitator is 200~300r/min, and mixing time is
16~20min, continuation mixing time are 1~2h.
Compared with other methods, advantageous effects are the present invention：
（1）The present invention is using polyurethane as matrix, and modification infusorial earth powder, self-control dispersion liquid and modified nano montmorillonite are as reinforcement
Agent, and be aided with amber powder, dimethicone and lauryl sodium sulfate etc. and flame retardant type nail-free glue is prepared, first with silane
Coupling agent is modified diatomite, itself and sucrose and Yoghourt co-fermentation are produced sucrose decomposition using microorganism in biogas slurry
It is raw to have sticking macromolecular carbohydrate, and so that macromolecular carbohydrate is grafted to diatomite table under the self-crosslinking of microorganism
Face makes diatomite have viscosity, and the caking property of enhancing diatomite and other fillers, wherein diatomite are rich in silica, due to
There are Si-O-Si keys in silica so that the surface enrichment silica chain of aqueous polyurethane, the intensity for being conducive to nail-free glue obtain
It improves, silica also has certain anti-flammability, when coating layer touch flame, silica dehydration in waterborne polyurethane resin
Silica silicon network structure is decomposed to form, this structure plays main fire retardation, and silicon oxygen bond has higher chemical energy, therefore not
Easy fracture, silica silicon network structure also have higher thermal stability, and flame can be prevented to be spread to coating inside, be conducive to exempt from
The anti-flammability of nail glue is improved；
（2）Ammonium polyphosphate, melamine and pentaerythrite are mixed into self-control dispersion liquid by the present invention, when ammonium polyphosphate is heated
When decompose generate with dehydration property product, it is reacted to form ester with pentaerythrite, ester continue dehydrated crosslinking formed charcoal, simultaneously
When melamine is thermally decomposed, release a large amount of gas, can in diluent air oxygen concentration, charring layer is promoted to expand,
Transmission of the thermal energy to matrix has been obstructed, the anti-flammability of nail-free glue has been improved again, continuously adds nano imvite, has been covered and taken off due to nanometer
Soil is handled by organic modification can increase its piece interlamellar spacing, and surface is also changed into hydrophobic layer by hydrophilic layer, be carried out with matrix
During melt blending, be conducive to the intercalation of polymer substance, lamellar structure can play one and be set for rearranging for substrate molecule
With improving the regularity of molecules align in matrix, so as to improve the crystallinity of nail-free glue, further improve the strong of nail-free glue
Degree, is with a wide range of applications.
Specific embodiment
It weighs after 16~20g diatomite grinds 8~10min and crosses 120 mesh sieve, collect sieving diatomite powder, in mass ratio
It is 5：5~7min is mixed in sieving diatomite powder and Silane coupling reagent KH-570 by 1, obtains mixture, mixture is put
It it is 35~40 DEG C in temperature in the fermentation tank for entering the Yoghourt of sucrose and mixture quality 0.4% with mixture quality 5%
Under the conditions of be sealed by fermentation 7~9 days, after fermentation, take out tunning, as modification infusorial earth powder；By ammonium polyphosphate, three
Poly cyanamid and pentaerythrite are 2 in mass ratio：1：1 is mixed 3~5min, obtains mixture, then add in and mix into mixture
The polyethylene glycol of amount of substance 3% and the deionized water of 1~3 times of mixture quality are closed, continues 12~16min of mixing, obtains
Make dispersion liquid by oneself；It weighs 24~32g nano imvites and pours into 4~6min of mixing in 80~100mL deionized waters, received
Rice montmorillonite suspension liquid, is by volume 4：1 by sodium bicarbonate solution that nano imvite suspension and mass fraction are 10%
45~60min of hybrid reaction, obtains reaction solution, and the pH to 4~6 of reaction solution is adjusted with the hydrochloric acid that mass fraction is 15%, is adjusted
After pour into centrifuge 10~12min of centrifugation, remove filtrate, the nano imvite of lower sediment taken out, by lower sediment
Nano imvite be put into baking oven, be 6~8min dry at 55~75 DEG C in temperature, grinding discharging obtains purified nanotubes illiteracy
De- soil；It is 1 by volume by purified nanotubes montmorillonite, absolute ethyl alcohol, silane coupling agent KH-560 and deionized water：1：2：4 is mixed
Conjunction is placed in blender, at being 65~85 DEG C in temperature after 1~2h of stirring, filtering removal filtrate, and taking-up filter residue, dry discharging,
As modified nano montmorillonite；It counts in parts by weight, weighs 30~40 parts of polyurethane, 12~16 parts of modification infusorial earth powder respectively
End, 8~10 parts of self-control dispersion liquids, 6~8 parts of modified nano montmorillonites and 16~20 parts of deionized water mixing are placed in blender,
16~20min is stirred under conditions of temperature is 100~120 DEG C, rotating speed is 200~300r/min, then adds 3~5 parts of ambers
Powder, 2~4 parts of dimethicones, 1~3 part of lauryl sodium sulfate and 6~8 parts of deionized waters, continue heat preservation be mixed 1~
2h, cooling discharging, tinning can be prepared by flame retardant type nail-free glue.
Example 1
120 mesh sieve is crossed after weighing 16g diatomite grinding 8min, sieving diatomite powder is collected, is in mass ratio 5：1 will be sieved silicon
5min is mixed in diatomaceous earth powder and Silane coupling reagent KH-570, obtains mixture, mixture is put into mixture quality
In the fermentation tank of 5% sucrose and the Yoghourt of mixture quality 0.4%, it is sealed by fermentation 7 days, sends out under conditions of being 35 DEG C in temperature
After ferment, tunning, as modification infusorial earth powder are taken out；Ammonium polyphosphate, melamine and pentaerythrite are pressed into quality
Than being 2：1：1 is mixed 3min, obtains mixture, then adds in into mixture the polyethylene glycol of mixture quality 3% and mixed
The deionized water of 1 times of amount of substance is closed, continues that 12min is mixed, obtains self-control dispersion liquid；24g nano imvites are weighed to pour into
4min is mixed in 80mL deionized waters, obtains nano imvite suspension, is by volume 4：1 suspends nano imvite
Liquid and the sodium bicarbonate solution hybrid reaction 45min that mass fraction is 10%, obtain reaction solution, with the salt that mass fraction is 15%
Acid adjusts the pH to 4 of reaction solution, is poured into after adjusting and 10min is centrifuged in centrifuge, removes filtrate, takes out receiving for lower sediment
Rice montmorillonite, the nano imvite of lower sediment is put into baking oven, and dry 6min at being 55 DEG C in temperature, grinding discharging obtains
To purified nanotubes montmorillonite；By purified nanotubes montmorillonite, absolute ethyl alcohol, silane coupling agent KH-560 and deionized water by volume
It is 1：1：2：4 mixing are placed in blender, and at being 65 DEG C in temperature after stirring 1h, filtering removal filtrate is taken out filter residue, dried out
Material, as modified nano montmorillonite；Count in parts by weight, weigh respectively 30 parts of polyurethane, 12 parts of modification infusorial earth powder, 8 parts
Self-control dispersion liquid, 6 parts of modified nano montmorillonites and 16 parts of deionized water mixing are placed in blender, are 100 DEG C, rotating speed in temperature
To stir 16min under conditions of 200r/min, then add 3 parts of amber powders, 2 parts of dimethicones, 1 part of lauryl sodium sulfate and
6 parts of deionized waters continue heat preservation and 1h, cooling discharging are mixed, and tinning can be prepared by flame retardant type nail-free glue.
Example 2
120 mesh sieve is crossed after weighing 18g diatomite grinding 9min, sieving diatomite powder is collected, is in mass ratio 5：1 will be sieved silicon
6min is mixed in diatomaceous earth powder and Silane coupling reagent KH-570, obtains mixture, mixture is put into mixture quality
In the fermentation tank of 5% sucrose and the Yoghourt of mixture quality 0.4%, it is sealed by fermentation 8 days, sends out under conditions of being 37 DEG C in temperature
After ferment, tunning, as modification infusorial earth powder are taken out；Ammonium polyphosphate, melamine and pentaerythrite are pressed into quality
Than being 2：1：1 is mixed 4min, obtains mixture, then adds in into mixture the polyethylene glycol of mixture quality 3% and mixed
The deionized water of 2 times of amount of substance is closed, continues that 14min is mixed, obtains self-control dispersion liquid；27g nano imvites are weighed to pour into
5min is mixed in 90mL deionized waters, obtains nano imvite suspension, is by volume 4：1 suspends nano imvite
Liquid and the sodium bicarbonate solution hybrid reaction 52min that mass fraction is 10%, obtain reaction solution, with the salt that mass fraction is 15%
Acid adjusts the pH to 5 of reaction solution, is poured into after adjusting and 11min is centrifuged in centrifuge, removes filtrate, takes out receiving for lower sediment
Rice montmorillonite, the nano imvite of lower sediment is put into baking oven, and dry 7min at being 65 DEG C in temperature, grinding discharging obtains
To purified nanotubes montmorillonite；By purified nanotubes montmorillonite, absolute ethyl alcohol, silane coupling agent KH-560 and deionized water by volume
It is 1：1：2：4 mixing are placed in blender, and at being 75 DEG C in temperature after stirring 1.5h, filtering removal filtrate takes out filter residue, dry
Discharging, as modified nano montmorillonite；It counts in parts by weight, weighs 35 parts of polyurethane, 14 parts of modification infusorial earth powder, 9 respectively
Part self-control dispersion liquid, 7 parts of modified nano montmorillonites and 18 parts of deionized waters mixing are placed in blender, are 110 DEG C, turns in temperature
Speed is stirs 18min, then add 4 parts of amber powders, 3 parts of dimethicones, 2 parts of lauryl sodium sulfate under conditions of 250r/min
With 7 parts of deionized waters, continue heat preservation and 1.5h, cooling discharging is mixed, tinning can be prepared by flame retardant type nail-free glue.
Example 3
120 mesh sieve is crossed after weighing 20g diatomite grinding 10min, sieving diatomite powder is collected, is in mass ratio 5：1 will sieving
7min is mixed in diatomite powder and Silane coupling reagent KH-570, obtains mixture, mixture is put into compounding substances
In the fermentation tank of the sucrose of amount 5% and the Yoghourt of mixture quality 0.4%, it is sealed by fermentation 9 days under conditions of being 40 DEG C in temperature,
After fermentation, tunning, as modification infusorial earth powder are taken out；Ammonium polyphosphate, melamine and pentaerythrite are pressed into matter
Amount is than being 2：1：1 is mixed 5min, obtains mixture, then add in into mixture mixture quality 3% polyethylene glycol and
The deionized water that 3 times of mixture quality continues that 16min is mixed, and obtains self-control dispersion liquid；32g nano imvites are weighed to fall
Enter in 100mL deionized waters and 6min is mixed, obtain nano imvite suspension, be by volume 4：1 by nano imvite
Suspension and the sodium bicarbonate solution hybrid reaction 60min that mass fraction is 10%, obtain reaction solution, are 15% with mass fraction
Hydrochloric acid adjust reaction solution pH to 6, poured into after adjusting and 12min centrifuged in centrifuge, remove filtrate, take out lower sediment
Nano imvite, the nano imvite of lower sediment is put into baking oven, is 8min dry at 75 DEG C in temperature, is ground
Material, obtains purified nanotubes montmorillonite；Purified nanotubes montmorillonite, absolute ethyl alcohol, silane coupling agent KH-560 and deionized water are pressed
Volume ratio is 1：1：2：4 mixing are placed in blender, and at being 85 DEG C in temperature after stirring 2h, filtering removal filtrate takes out filter residue,
Dry discharging, as modified nano montmorillonite；It counts in parts by weight, weighs 40 parts of polyurethane, 16 parts of modification infusorial earth powder respectively
End, 10 parts of self-control dispersion liquids, 8 parts of modified nano montmorillonites and 20 parts of deionized water mixing are placed in blender, are 120 in temperature
DEG C, rotating speed is stirs 20min, then add 5 parts of amber powders, 4 parts of dimethicones, 3 parts of dodecyls under conditions of 300r/min
Sodium sulphate and 8 parts of deionized waters continue heat preservation and 2h, cooling discharging are mixed, and tinning can be prepared by flame retardant type nail-free glue.
Comparative example
With the nail-free glue of Taizhou plain company production as a comparison case
Nail-free glue in flame retardant type nail-free glue produced by the present invention and comparative example is detected, testing result is as shown in table 1：
According to professional standard《JC/T2186-2013 indoor wall light decorative plate nail-free glues》Requirement test nail-free glue property
Energy.
Table 1
From the data in table 1, it can be seen that flame retardant type nail-free glue produced by the present invention has the characteristics that anti-flammability is strong, good mechanical performance, it is bright
It is aobvious to be better than comparative example product.Therefore, there is wide prospect of the application.
Claims (6)
1. a kind of preparation method of flame retardant type nail-free glue, it is characterised in that specifically preparation process is：
（1）Weigh 16~20g diatomite grinding after cross 120 mesh sieve, collect sieving diatomite powder, will sieving diatomite powder and
Silane coupling reagent KH-570 is mixed, and obtains mixture, mixture is put into sucrose and mixing with mixture quality 5%
It in the fermentation tank of the Yoghourt of amount of substance 0.4%, is sealed by fermentation, after fermentation, takes out tunning, as modification infusorial earth powder
End；
（2）Ammonium polyphosphate, melamine and pentaerythrite are mixed, obtain mixture, then mixing is added in into mixture
The polyethylene glycol of amount of substance 3% and the deionized water of 1~3 times of mixture quality, continue to be mixed, and obtain self-control dispersion liquid；
（3）It weighs 24~32g nano imvites and pours into 80~100mL deionized waters and be mixed, obtain nano imvite and hang
Supernatant liquid by nano imvite suspension and sodium bicarbonate solution hybrid reaction, obtains reaction solution, and the pH of reaction solution is adjusted with hydrochloric acid
To 4~6, pour into centrifuge and centrifuge after adjusting, remove filtrate, take out the nano imvite of lower sediment, lower floor is sunk
The nano imvite in shallow lake is placed in oven and dried, and grinding discharging obtains purified nanotubes montmorillonite；
（4）Purified nanotubes montmorillonite, absolute ethyl alcohol, silane coupling agent KH-560 and deionized water are mixed to be placed in blender and stirred
After mixing, filtering removal filtrate takes out filter residue, as dry discharging, modified nano montmorillonite；
（5）It counts in parts by weight, weighs 30~40 parts of polyurethane, 12~16 parts of modification infusorial earth powder, 8~10 parts of self-controls respectively
Dispersion liquid, 6~8 parts of modified nano montmorillonites and 16~20 parts of deionized water mixing are placed in blender and stir, then add 3~5
Part amber powder, 2~4 parts of dimethicones, 1~3 part of lauryl sodium sulfate and 6~8 parts of deionized waters continue heat preservation mixing and stir
It mixes, cooling discharging, tinning can be prepared by flame retardant type nail-free glue.
2. a kind of preparation method of flame retardant type nail-free glue according to claim 1, it is characterised in that：Step（1）Described
Milling time is 8~10min, and the mass ratio of be sieved diatomite powder and Silane coupling reagent KH-570 is 5：1, mixing time 5
~7min, fermentation temperature are 35~40 DEG C, and fermentation time is 7~9 days.
3. a kind of preparation method of flame retardant type nail-free glue according to claim 1, it is characterised in that：Step（2）Described
The mass ratio of ammonium polyphosphate, melamine and pentaerythrite is 2：1：1, mixing time is 3~5min, and it is 12 to continue mixing time
~16min.
4. a kind of preparation method of flame retardant type nail-free glue according to claim 1, it is characterised in that：Step（3）Described
Mixing time is 4~6min, and the volume ratio of sodium bicarbonate solution that nano imvite suspension and mass fraction are 10% is 4：
1, the reaction time is 45~60min, and the mass fraction of hydrochloric acid is 15%, and disengaging time is 10~12min, drying temperature for 55~
75 DEG C, drying time is 6~8min.
5. a kind of preparation method of flame retardant type nail-free glue according to claim 1, it is characterised in that：Step（4）Described
Purified nanotubes montmorillonite suspension liquid, absolute ethyl alcohol, silane coupling agent KH-560 and deionized water volume ratio be 1：1：2：4, it stirs
It is 65~85 DEG C to mix temperature, and mixing time is 1~2h.
6. a kind of preparation method of flame retardant type nail-free glue according to claim 1, it is characterised in that：Step（5）Described
Whipping temp is 100~120 DEG C, and speed of agitator is 200~300r/min, and mixing time is 16~20min, continues mixing time
For 1~2h.
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| CN201711363867.3A CN108219735A (en) | 2017-12-18 | 2017-12-18 | A kind of preparation method of flame retardant type nail-free glue |
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| CN201711363867.3A CN108219735A (en) | 2017-12-18 | 2017-12-18 | A kind of preparation method of flame retardant type nail-free glue |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109251685A (en) * | 2018-09-17 | 2019-01-22 | 佛山朝鸿新材料科技有限公司 | A kind of environment-friendly water-based nail-free glue and preparation method thereof |
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| CN101544820A (en) * | 2009-04-29 | 2009-09-30 | 四川大学 | Organic montmorillonite-aqueous polyurethane compound leather finishing agent and method for preparing same |
| CN104830220A (en) * | 2015-05-02 | 2015-08-12 | 段宝荣 | Preparation method for flame-retardant waterborne polyurethane coating and adhesive |
| CN106221657A (en) * | 2016-07-29 | 2016-12-14 | 合肥毅创钣金科技有限公司 | The flame retardant polyurethane foamed glue that a kind of air-tightness is good |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109251685A (en) * | 2018-09-17 | 2019-01-22 | 佛山朝鸿新材料科技有限公司 | A kind of environment-friendly water-based nail-free glue and preparation method thereof |
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