CN108047798A - A kind of preparation method of high-strength anti-flaming aqueous polyurethane coating - Google Patents
A kind of preparation method of high-strength anti-flaming aqueous polyurethane coating Download PDFInfo
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- CN108047798A CN108047798A CN201711246622.2A CN201711246622A CN108047798A CN 108047798 A CN108047798 A CN 108047798A CN 201711246622 A CN201711246622 A CN 201711246622A CN 108047798 A CN108047798 A CN 108047798A
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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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
- 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
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Abstract
The present invention relates to technical field of paint preparation, and in particular to a kind of preparation method of high-strength anti-flaming aqueous polyurethane coating.The present invention is using waterborne polyurethane resin as matrix, Modified Quartz Sand is as main reinforcing agent, modified glass-fiber, as adjuvant high intensity is prepared and with certain anti-flammability and hydrophobic aqueous polyurethane coating in the self-control substances such as suspension and ammonolysis linseed oil, quartz sand is modified first with silane coupling agent, make quartz sand that there is viscosity, the hardness for being conducive to aqueous polyurethane coating is improved, in addition silica also has certain anti-flammability, silica silicon network structure also has higher thermal stability, so as to certain flame retardant effect, silane coupling agent is continued with to be modified glass fibre, glass fibre is made effectively to form tough and tensile network structure in polymer surfaces, further improve the intensity of aqueous polyurethane coating, it is with a wide range of applications.
Description
Technical field
The present invention relates to technical field of paint preparation, and in particular to a kind of preparation of high-strength anti-flaming aqueous polyurethane coating
Method.
Background technology
Polyurethane coating refers to the coating for containing suitable ammonia ester bond in film.It is elastic good that polyurethane coating has, can low temperature
Cure, moisture solidification, can construct in more seasons, low temperature, high humidity workability feature.It is widely used in woodwork coating, automobile is repaiied
The fields such as coating material, anticorrosive paint, building coating, floor paint, electronic paint, sapecial coating, water-repellent paint.
Aqueous polyurethane coating is using water-dispersible polyurethane resin as base-material, is disperseed during construction application with water
A kind of water paint of agent.Aqueous polyurethane coating is with paint film physical mechanical property is good, corrosion resistance is good, can be in room temperature
Or even the advantages that curing at low temperatures, by the selection of raw material, the cooperation of component and the application of auxiliary agent, produce for different necks
The different coating of performance, the feature in domain.Compared with traditional solvent based coating, the great advantage of aqueous polyurethane coating is significantly
It reduces the dosage of volatile organic solvent or substantially eliminates the presence of solvent, and meet environmental requirement.Therefore, have wide
Wealthy application prospect.
But aqueous polyurethane coating is also there are some defects, due to being introduced on the strand of aqueous polyurethane coating
Hydrophilic radical, the polar group in the water and polyurethane that are absorbed work, and form hydrogen bond, reduce between polyurethane molecular
Hydrogen bond effect, make the mechanical strength of coating reduce.Therefore, there is significant limitation in practical applications.It is in addition, aqueous
Polyurethane coating in high temperature environments, since the temperature of its film exists>Easily generation xanthochromia shows for baking for a long time under 150 DEG C of environment
As limiting its application in hot environment.
Therefore, developing a kind of aqueous polyurethane coating that can solve above-mentioned performance issue is highly desirable.
The content of the invention
The technical problems to be solved by the invention：It is relatively low, fire-retardant there are intensity for current common water borne polyurethane coating
The defects of poor and hydrophobic effect of property is bad, provides a kind of preparation method of high-strength anti-flaming aqueous polyurethane coating.
In order to solve the above technical problems, the present invention is using technical solution as described below：
A kind of preparation method of high-strength anti-flaming aqueous polyurethane coating, it is characterised in that specifically preparation process is：
（1）Linseed oil, diethanol amine and sodium ethoxide are mixed be placed in four mouthfuls equipped with reflux condenser, blender and thermometer it is anti-
It answers in bottle, is stirred to react under nitrogen protective condition, obtains ammonia products；
（2）100 mesh sieves are crossed after weighing 20~30g quartzite sand grinds, collect sieving powder, by sieving powder and silane coupling agent
KH-550 is mixed, and obtains mixture, mixture is put into sucrose and mixture quality with mixture quality 7%
It in the fermentation tank of 0.7% biogas slurry, is sealed by fermentation, after fermentation, takes out tunning, be Modified Quartz Sand powder；
（3）Ammonium polyphosphate, pentaerythrite and melamine are mixed to be placed in beaker and stirred, obtains mixture A, then into beaker
The deionized water of 1~2 times of mixture A mass is added in, continues to be mixed, obtains self-control suspension；
（4）It weighs 0.1~0.2kg pyrophillites and is put into high-temperature smelting pot and melt, be melted and obtain molten liquid, after excluding bubble, transport
The wire drawing into porous bushing obtains self-control glass fibre, and self-control glass fibre and silane coupling agent KH-560 are mixed and are put into burning
It is stirred in cup, keeps the temperature and stand after stirring, cooled to room temperature, discharging obtains modified self-control glass fibre；
（5）Count in parts by weight, weigh respectively 20~30 parts of waterborne polyurethane resins, 16~20 parts of modified self-control glass fibres,
12~16 parts of Modified Quartz Sand powder and 30~40 parts of deionized water mixing are placed in mixer and stir, then add 8~10 parts of ammonia
Product, 4~6 parts of self-control suspension, 3~5 parts of triethylamines, 1~3 part of sodium acid carbonate and 2~4 parts of rosin are solved, continue to be mixed,
Cooled to room temperature, discharging, you can high-strength anti-flaming aqueous polyurethane coating is made.
Step（1）The mass ratio of the linseed oil, diethanol amine and sodium ethoxide is 2：2：1, temperature is stirred to react as 100
~120 DEG C, the time is stirred to react as 1~2h.
Step（2）The milling time is 6~8min sieving powder and the mass ratio of silane resin acceptor kh-550 is 1：
2, mixing time is 16~20min, and fermentation temperature is 35~45 DEG C, and fermentation time is 7~9 days.
Step（3）The mass ratio of the ammonium polyphosphate, pentaerythrite and melamine is 2：1：3, mixing time 10
~12min, continuation mixing time are 16~20min.
Step（4）The melting temperature is 1400~1600 DEG C, and the melting time is 12~16min, and wire drawing rotating speed is
1800~2100r/min, the mass ratio for making glass fibre and silane coupling agent KH-560 by oneself is 1：3, whipping temp is 60~80
DEG C, mixing time is 16~20min, and time of repose is 1~2h.
Step（5）The whipping temp is 55~75 DEG C, and mixing time is 20~30min, and it is 75 to continue whipping temp
~95 DEG C, continuation mixing time is 1~3h.
Compared with other methods, advantageous effects are the present invention：
（1）The present invention using waterborne polyurethane resin as matrix, Modified Quartz Sand as main reinforcing agent, modified glass-fiber, from
As adjuvant high intensity is prepared and with certain anti-flammability and hydrophobicity in the substances such as suspension processed and ammonolysis linseed oil
Aqueous polyurethane coating, quartz sand is modified first with silane coupling agent, by itself and sucrose, biogas slurry co-fermentation,
Sucrose decomposition is generated using microorganism in biogas slurry and has sticking macromolecular carbohydrate, and is made under the self-crosslinking of microorganism
It obtains macromolecular carbohydrate and is grafted to quartz sand surface, make quartz sand that there is the caking property of viscosity, enhancing quartz sand and other fillers,
Middle quartz sand contains abundant silica, due to there are Si-O-Si keys, making the surface enrichment of aqueous polyurethane in silica
Silica chain, the hardness for being conducive to aqueous polyurethane coating are improved, simultaneously because there are hydrophobicity is strong, surface for Si-O-Si keys
Can be low the features such as, reduce to a certain extent aqueous polyurethane coating surface can, cause the reduction of coating water absorption rate, in addition two
Silica also has certain anti-flammability, when coating layer touch flame, silica dehydration decomposing shape in waterborne polyurethane resin
Into silica silicon network structure, this structure plays main fire retardation, and silicon oxygen bond has higher chemical energy, not easy to break, silicon
Oxygen silicon network structure also has higher thermal stability, and flame can be prevented to be spread to coating inside, so as to certain resistance
Fuel efficiency fruit；
（2）The present invention is modified linseed oil using ammonolysis process, modified that its lipophile ester group is introduced into polymer molecule
In chain, the hydrophilic radical in polymer is made to be transformed into hydrophobic grouping, so as to reach certain hydrophobic effect, then with acid source, carbon source
It is formed with source of the gas chemically with expansibility flame-proof system, when temperature raises, acid source decomposites dehydrating agent, and dehydrating agent is dehydrated simultaneously
Charcoal is cross-linked into, and foaming agent can release many gases, promote the formation of expanded charred layer, the thickness of charring layer is bigger, makes to gather
The surface temperature of conjunction object and charring layer is higher, and surface temperature is slightly below flame temperature, can inhibit polymer and continue to degrade, together
When separated the participation of atmospheric oxygen, so as to reach good flame retardant effect, continue with silane coupling agent to glass fibre
It is modified, glass fibre is made effectively to form tough and tensile network structure in polymer surfaces, further improve aqueous poly- ammonia
The intensity of ester paint, is with a wide range of applications.
Specific embodiment
It is 2 in mass ratio by linseed oil, diethanol amine and sodium ethoxide：2：1 mixing is placed in equipped with reflux condenser, stirring
In four mouthfuls of reaction bulbs of device and thermometer, it is 100~120 DEG C, is stirred to react 1~2h under nitrogen protective condition in temperature, obtain
Ammonia products；100 mesh sieves are crossed after weighing 20~30g quartzite sand grinds, 6~8min, collect sieving powder, by sieving powder and silicon
Alkane coupling agent KH-550 is 1 in mass ratio：2 are mixed 16~20min, obtain mixture, and mixture is put into mixing
In the sucrose of amount of substance 7% and the fermentation tank of the biogas slurry of mixture quality 0.7%, 7 are sealed by fermentation in the case where temperature is 35~45 DEG C
~9 days, after fermentation, tunning is taken out, be Modified Quartz Sand powder；It is 2 in mass ratio：1：3 by ammonium polyphosphate, season
Penta tetrol and melamine mixing are placed in 10~12min of stirring in beaker, obtain mixture A, then mixture A is added in into beaker
The deionized water that 1~2 times of quality continues 16~20min of mixing, obtains self-control suspension；It is cured to weigh 0.1~0.2kg leaves
Stone is put into high-temperature smelting pot, is melted 12~16min in the case where temperature is 1400~1600 DEG C, is melted and obtains molten liquid, excludes bubble
Afterwards, be transported in porous bushing, be wire drawing under 1800~2100r/min in rotating speed, obtain self-control glass fibre, in mass ratio for
1：Self-control glass fibre and silane coupling agent KH-560 are mixed and are put into beaker by 3, temperature for stirring 16 at 60~80 DEG C~
20min, 1~2h of heat preservation standing, cooled to room temperature, discharging after stirring obtain modified self-control glass fibre；In parts by weight
Meter weighs 20~30 parts of waterborne polyurethane resins, 16~20 parts of modified self-control glass fibres, 12~16 parts of Modified Quartz Sands respectively
Powder and 30~40 parts of deionized water mixing are placed in mixer, are stirred 20~30min in the case where temperature is 55~75 DEG C, then are added
8~10 parts of ammonia products, 4~6 parts of self-control suspension, 3~5 parts of triethylamines, 1~3 part of sodium acid carbonate and 2~4 parts of rosin, in temperature
It spends to continue 1~3h of mixing, cooled to room temperature, discharging at 75~95 DEG C, you can it is aqueous poly- that high-strength anti-flaming is made
Urethane coating.
Example 1
It is 2 in mass ratio by linseed oil, diethanol amine and sodium ethoxide：2：1 mixing, be placed in equipped with reflux condenser, blender and
In four mouthfuls of reaction bulbs of thermometer, it is 100 DEG C, is stirred to react 1h under nitrogen protective condition in temperature, obtain ammonia products；It weighs
100 mesh sieves are crossed after 20g quartzite sand grinds 6min, collect sieving powder, sieving powder and silane resin acceptor kh-550 are pressed into quality
Than for 1：2 are mixed 16min, obtain mixture, mixture is put into sucrose and compounding substances with mixture quality 7%
In the fermentation tank of the biogas slurry of amount 0.7%, it is sealed by fermentation in the case where temperature is 35 DEG C 7 days, after fermentation, takes out tunning, i.e.,
For Modified Quartz Sand powder；It is 2 in mass ratio：1：Ammonium polyphosphate, pentaerythrite and melamine are mixed and are placed in beaker and stir by 3
10min is mixed, obtains mixture A, then the deionized water of 1 times of mixture A mass is added in into beaker, continues that 16min is mixed,
Obtain self-control suspension；It weighs 0.1kg pyrophillites to be put into high-temperature smelting pot, melts 12min in the case where temperature is 1400 DEG C, be melted into
It to molten liquid, after excluding bubble, is transported in porous bushing, is wire drawing under 1800r/min in rotating speed, obtain self-control glass fibers
Dimension, is in mass ratio 1：3 are put into self-control glass fibre and silane coupling agent KH-560 mixing in beaker, in the case where temperature is 60 DEG C
16min is stirred, heat preservation standing 1h, cooled to room temperature, discharging after stirring obtain modified self-control glass fibre；By weight
Number meter weighs 20 parts of waterborne polyurethane resins, 16 parts of modified self-control glass fibres, 12 parts of Modified Quartz Sand powder and 30 parts respectively
Deionized water mixing is placed in mixer, and in temperature to stir 20min at 55 DEG C, then to add 8 parts of ammonia products, 4 parts of self-controls outstanding
Supernatant liquid, 3 parts of triethylamines, 1 part of sodium acid carbonate and 2 parts of rosin continue that 1h is mixed in the case where temperature is 75 DEG C, naturally cool to room
Temperature, discharging, you can high-strength anti-flaming aqueous polyurethane coating is made.
Example 2
It is 2 in mass ratio by linseed oil, diethanol amine and sodium ethoxide：2：1 mixing, be placed in equipped with reflux condenser, blender and
In four mouthfuls of reaction bulbs of thermometer, it is 110 DEG C, is stirred to react 1.5h under nitrogen protective condition in temperature, obtain ammonia products；Claim
100 mesh sieves are crossed after taking 25g quartzite sand grinds 7min, collect sieving powder, sieving powder and silane resin acceptor kh-550 are pressed into matter
Amount is than being 1：2 are mixed 18min, obtain mixture, mixture is put into sucrose and mixture with mixture quality 7%
In the fermentation tank of the biogas slurry of quality 0.7%, it is sealed by fermentation in the case where temperature is 40 DEG C 8 days, after fermentation, takes out tunning,
As Modified Quartz Sand powder；It is 2 in mass ratio：1：3 are placed in the mixing of ammonium polyphosphate, pentaerythrite and melamine in beaker
11min is stirred, obtains mixture A, then the deionized water of 1 times of mixture A mass is added in into beaker, continues to be mixed
18min obtains self-control suspension；It weighs 0.15kg pyrophillites to be put into high-temperature smelting pot, be melted in the case where temperature is 1500 DEG C
14min is melted and obtains molten liquid, after excluding bubble, is transported in porous bushing, is wire drawing under 1950r/min in rotating speed, obtains
It makes glass fibre by oneself, is in mass ratio 1：3 are put into self-control glass fibre and silane coupling agent KH-560 mixing in beaker, in temperature
Spend to stir 18min at 70 DEG C, after stirring heat preservation stand 1.5h, cooled to room temperature, discharging obtains modified self-control glass fibers
Dimension；It counts in parts by weight, weighs 25 parts of waterborne polyurethane resins, 18 parts of modified self-control glass fibres, 14 parts of modified quartz respectively
Emery dust end and 35 parts of deionized water mixing are placed in mixer, and 25min is stirred in the case where temperature is 65 DEG C, then add 9 parts of ammonolysis productions
Object, 5 parts of self-control suspension, 4 parts of triethylamines, 2 parts of sodium acid carbonates and 3 parts of rosin continue that 2h is mixed in the case where temperature is 85 DEG C,
Cooled to room temperature, discharging, you can high-strength anti-flaming aqueous polyurethane coating is made.
Example 3
It is 2 in mass ratio by linseed oil, diethanol amine and sodium ethoxide：2：1 mixing, be placed in equipped with reflux condenser, blender and
In four mouthfuls of reaction bulbs of thermometer, it is 120 DEG C, is stirred to react 2h under nitrogen protective condition in temperature, obtain ammonia products；It weighs
100 mesh sieves are crossed after 30g quartzite sand grinds 8min, collect sieving powder, sieving powder and silane resin acceptor kh-550 are pressed into quality
Than for 1：2 are mixed 20min, obtain mixture, mixture is put into sucrose and compounding substances with mixture quality 7%
In the fermentation tank of the biogas slurry of amount 0.7%, it is sealed by fermentation in the case where temperature is 45 DEG C 9 days, after fermentation, takes out tunning, i.e.,
For Modified Quartz Sand powder；It is 2 in mass ratio：1：Ammonium polyphosphate, pentaerythrite and melamine are mixed and are placed in beaker and stir by 3
12min is mixed, obtains mixture A, then the deionized water of 2 times of mixture A mass is added in into beaker, continues that 20min is mixed,
Obtain self-control suspension；It weighs 0.2kg pyrophillites to be put into high-temperature smelting pot, melts 16min in the case where temperature is 1600 DEG C, be melted into
It to molten liquid, after excluding bubble, is transported in porous bushing, is wire drawing under 2100r/min in rotating speed, obtain self-control glass fibers
Dimension, is in mass ratio 1：3 are put into self-control glass fibre and silane coupling agent KH-560 mixing in beaker, in the case where temperature is 80 DEG C
20min is stirred, heat preservation standing 2h, cooled to room temperature, discharging after stirring obtain modified self-control glass fibre；By weight
Number meter weighs 30 parts of waterborne polyurethane resins, 20 parts of modified self-control glass fibres, 16 parts of Modified Quartz Sand powder and 40 parts respectively
Deionized water mixing is placed in mixer, and in temperature to stir 30min at 75 DEG C, then to add 10 parts of ammonia products, 6 parts of self-controls outstanding
Supernatant liquid, 5 parts of triethylamines, 3 parts of sodium acid carbonates and 4 parts of rosin continue that 3h is mixed in the case where temperature is 95 DEG C, naturally cool to room
Temperature, discharging, you can high-strength anti-flaming aqueous polyurethane coating is made.
Comparative example
With the aqueous polyurethane coating of Shanghai City company production as a comparison case
Aqueous polyurethane coating in high-strength anti-flaming aqueous polyurethane coating produced by the present invention and comparative example is detected,
Testing result is as shown in table 1：
1st, test method
According to standard GB/T5210-2006 test material adhesive force, 0 grade is best, and 1 grade is taken second place.
Material tensile property is measured according to standard ISO523-2003.
Hydrophobicity：It is tested using contact angle tester.
Table 1
From the data in table 1, it can be seen that high-strength anti-flaming aqueous polyurethane coating produced by the present invention, mechanical property is good, anti-flammability is strong and
Hydrophobic effect is good, hence it is evident that better than comparative example product.Therefore, there is wide prospect of the application.
Claims (6)
1. a kind of preparation method of high-strength anti-flaming aqueous polyurethane coating, it is characterised in that specifically preparation process is：
（1）Linseed oil, diethanol amine and sodium ethoxide are mixed be placed in four mouthfuls equipped with reflux condenser, blender and thermometer it is anti-
It answers in bottle, is stirred to react under nitrogen protective condition, obtains ammonia products；
（2）100 mesh sieves are crossed after weighing 20~30g quartzite sand grinds, collect sieving powder, by sieving powder and silane coupling agent
KH-550 is mixed, and obtains mixture, mixture is put into sucrose and mixture quality with mixture quality 7%
It in the fermentation tank of 0.7% biogas slurry, is sealed by fermentation, after fermentation, takes out tunning, be Modified Quartz Sand powder；
（3）Ammonium polyphosphate, pentaerythrite and melamine are mixed to be placed in beaker and stirred, obtains mixture A, then into beaker
The deionized water of 1~2 times of mixture A mass is added in, continues to be mixed, obtains self-control suspension；
（4）It weighs 0.1~0.2kg pyrophillites and is put into high-temperature smelting pot and melt, be melted and obtain molten liquid, after excluding bubble, transport
The wire drawing into porous bushing obtains self-control glass fibre, and self-control glass fibre and silane coupling agent KH-560 are mixed and are put into burning
It is stirred in cup, keeps the temperature and stand after stirring, cooled to room temperature, discharging obtains modified self-control glass fibre；
（5）Count in parts by weight, weigh respectively 20~30 parts of waterborne polyurethane resins, 16~20 parts of modified self-control glass fibres,
12~16 parts of Modified Quartz Sand powder and 30~40 parts of deionized water mixing are placed in mixer and stir, then add 8~10 parts of ammonia
Product, 4~6 parts of self-control suspension, 3~5 parts of triethylamines, 1~3 part of sodium acid carbonate and 2~4 parts of rosin are solved, continue to be mixed,
Cooled to room temperature, discharging, you can high-strength anti-flaming aqueous polyurethane coating is made.
2. a kind of preparation method of high-strength anti-flaming aqueous polyurethane coating according to claim 1, it is characterised in that：Step
Suddenly（1）The mass ratio of the linseed oil, diethanol amine and sodium ethoxide is 2：2：1, temperature is stirred to react as 100~120 DEG C, is stirred
The reaction time is mixed as 1~2h.
3. a kind of preparation method of high-strength anti-flaming aqueous polyurethane coating according to claim 1, it is characterised in that：Step
Suddenly（2）The milling time is 6~8min sieving powder and the mass ratio of silane resin acceptor kh-550 is 1：2, mixing time
For 16~20min, fermentation temperature is 35~45 DEG C, and fermentation time is 7~9 days.
4. a kind of preparation method of high-strength anti-flaming aqueous polyurethane coating according to claim 1, it is characterised in that：Step
Suddenly（3）The mass ratio of the ammonium polyphosphate, pentaerythrite and melamine is 2：1：3, mixing time is 10~12min, after
Continuous mixing time is 16~20min.
5. a kind of preparation method of high-strength anti-flaming aqueous polyurethane coating according to claim 1, it is characterised in that：Step
Suddenly（4）The melting temperature is 1400~1600 DEG C, and the melting time is 12~16min, and wire drawing rotating speed is 1800~2100r/
Min, the mass ratio for making glass fibre and silane coupling agent KH-560 by oneself is 1：3, whipping temp is 60~80 DEG C, and mixing time is
16~20min, time of repose are 1~2h.
6. a kind of preparation method of high-strength anti-flaming aqueous polyurethane coating according to claim 1, it is characterised in that：Step
Suddenly（5）The whipping temp is 55~75 DEG C, and mixing time is 20~30min, and it is 75~95 DEG C to continue whipping temp, is continued
Mixing time is 1~3h.
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| CN108912917A (en) * | 2018-06-26 | 2018-11-30 | 阜南县永盛工艺品有限公司 | A kind of wicker plaiting article high-quality finishing coat |
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| CN111519444A (en) * | 2020-05-07 | 2020-08-11 | 吕兴鹏 | Hydrolysis-resistant PU synthetic leather and production method thereof |
| CN117586472A (en) * | 2024-01-19 | 2024-02-23 | 广东荣昌纺织实业有限公司 | Terylene double-sided coating type flame-retardant waterproof tarpaulin, coating composition and preparation method thereof |
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Application publication date: 20180518 |