CN109233593A - A kind of preparation of polyurethane building atomising material sprayed coating and its application method - Google Patents
A kind of preparation of polyurethane building atomising material sprayed coating and its application method Download PDFInfo
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- CN109233593A CN109233593A CN201810875049.XA CN201810875049A CN109233593A CN 109233593 A CN109233593 A CN 109233593A CN 201810875049 A CN201810875049 A CN 201810875049A CN 109233593 A CN109233593 A CN 109233593A
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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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/04—Macromolecular compounds
- C04B16/06—Macromolecular compounds fibrous
- C04B16/0616—Macromolecular compounds fibrous from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B16/0625—Polyalkenes, e.g. polyethylene
- C04B16/0633—Polypropylene
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
-
- 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
- C08K2201/01—Magnetic additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention discloses a kind of preparation of polyurethane building atomising material sprayed coating and its application methods, belong to construction material spraying technology field, a kind of polyurethane building atomising material sprayed coating preparation method, including, polymer polyatomic alcohol is uniformly mixed with isocyanic acid by required different weight part, after it is sufficiently reacted, obtain full polymers, by chain extender, fire retardant, catalyst, foaming agent, foam stabilizer, modifying cinepazid emulsion mixing, to its reaction mixing, by full prepolymer and chain extension mixture by weight in uniformly being mixed in mixing chamber, the preparation method of improvement polyurethane building material spraying coating may be implemented, enhance the waterproof and thermal insulation property of polyurethane building material spraying coating, enhance adherency and fixed effect of the polyurethane building material spraying coating in metope, simultaneously convenient for technical staff to polyurethane building material spraying coating Sprayed coating detected, and then ahead of time impaired paint wall body position is safeguarded and is repaired.
Description
Technical field
The present invention relates to construction material spraying technology fields, more specifically to a kind of polyurethane building atomising material
Sprayed coating preparation and its application method.
Background technique
Polyurethane is that the polymer in macromolecular main chain containing carbamate groups is known as polyurethanes, referred to as
Polyurethane, polyurethane are divided into polyester polyurethane and polyether polyurethane two major classes, and polyester-type is with diisocyanate and end hydroxyl
Base polyester is the polyurethane of raw material preparation, and polyether polyurethane is gathered using diisocyanate and end hydroxy polyether as prepared by raw material
The key property of urethane, polyurethane has: higher mechanical strength and oxidation stability, flexibility with higher and resilience,
With excellent oil resistivity, solvent resistance, water resistance and fire resistance, since polyurethane has many excellent performances, so its
Tool has been widely used, and polyurethane is mainly used as Synthetic Leather, polyurethane foam plastics, polyurethane coating, viscoelastic polyurethane
Mixture, polyurethane rubber (elastomer) and polyurethane fiber etc., in addition, polyurethane is also used to civil engineering, address probing, mining and stone
In oily engineering, play water blockoff, firm building or roadbed；As paving material, for the runway of sports ground, building
Indoor floor etc..
In existing building industry, waterproof material and the most performance of thermal insulation material are single, cannot take into account waterproof and thermal insulation property,
And construction waterproofing engineering and Energy Conservation Project in Construction are constructed respectively, and operational procedure is cumbersome, unstable quality, if smeared logical
Common decorative mortar constitutes screed-coat, then because of the surface irregularity of polyurethane insulation coating so that decorative mortar dosage it is more and
Screed-coat itself is in uneven thickness, and metope is caused to be easy to produce cracking, since polyurethane is in spraying process, due to color list
One, part cracking trace is not easy to find, staff fails to observe in time after wall segment cracking, will result in subsequent wall
Body portion removing had both affected the metope beauty for being coated with polyurethane, and had also affected heat preservation and the waterproof effect of polyurethane.
Summary of the invention
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of sprays of polyurethane building atomising material
Coating preparation and its application method are applied, it may be implemented to improve the preparation method of polyurethane building material spraying coating, and enhancing is poly-
The waterproof and thermal insulation property of urethane construction material sprayed coating, enhancing polyurethane building material spraying coating metope adherency with
Fixed effect, while the sprayed coating of polyurethane building material spraying coating is detected convenient for technical staff, and then ahead of time
Impaired paint wall body position is safeguarded and repaired.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of polyurethane building atomising material sprayed coating preparation method, the polyurethane spray coating is by following weight
The raw material of part is made: polymer polyatomic alcohol 100, isocyanates 20-50, chain extender 5-20, fire retardant 10-40, catalyst 1-15,
Foaming agent 3-15, foam stabilizer 2-8, modifying cinepazid emulsion 5-8, the synergists such as antimony oxide 1-5；
Full prepolymer preparation: polymer polyatomic alcohol is uniformly mixed with isocyanic acid by required different weight part, sufficiently to it
After reaction, full polymers is obtained；
The preparation of chain extension mixture: chain extender, fire retardant, catalyst, foaming agent, foam stabilizer, modifying cinepazid emulsion are mixed,
To its reaction mixing；
Polyurethane spray coating preparation: by full prepolymer and chain extension mixture by weight in uniformly being mixed in mixing chamber,
Preparation process is completed, the preparation method for improving polyurethane building material spraying coating may be implemented, enhance polyurethane building material
The waterproof and thermal insulation property of sprayed coating enhance adherency and fixed effect of the polyurethane building material spraying coating in metope, together
When detected convenient for sprayed coating of the technical staff to polyurethane building material spraying coating, and then ahead of time to impaired coating wall
Body region is safeguarded and is repaired.
Further, the raw material of the modifying cinepazid emulsion are as follows: deionized water 80-110, benzyl alcohol 4-6, styrene 15-
20, methyl methacrylate 7-9, acrylate 5-8, acrylic acid 4-6, sodium peroxydisulfate 0.3-0.5, allyloxy hydroxypropyl sulfonic acid
Sodium 0.5-0.7.
Further, the modifying cinepazid emulsion the preparation method comprises the following steps: by 70-80 parts of deionized waters and whole allyl oxygen
After base hydroxypropyl azochlorosulfonate acid sodium, benzyl alcohol mixing, high-speed stirred progress warming-in-water to after emulsifying sufficiently, 70-80 DEG C to be warming up to,
Styrene, benzyl alcohol, methyl methacrylate, acrylate and acrylic acid are added by weight and uses remaining deionized water complete
The sodium peroxydisulfate of dissolution is cooled to room temperature to get modifying cinepazid emulsion, leads to after then heating to 85-90 DEG C, heat preservation one hour
Cross and modifying cinepazid emulsion be added in chain extension mixture, convenient for promoted polyurethane building atomising material sprayed coating is water-fast, oil resistant,
The performances such as heat-resisting, ageing-resistant.
Further, while prepared by the full prepolymer, the preparation of polypropylene fiber concrete, the polypropylene are carried out
Fiber concrete at be grouped as include: 1.2-1.5 parts of polypropylene fibre, 300-350 parts of cement, 750-850 parts of aggregate, efficiently
1.6-1.8 parts of water-reducing agent, 150-200 parts of water are sprayed by the polypropylene fiber concrete and polyurethane building atomising material of preparation
It applies coating to be used cooperatively, the adherency and fixed effect convenient for enhancing polyurethane building material spraying coating in metope are promoted simultaneously
The hardened degree of wall entirety, reduces its partial region and the case where breach occurs.
Further, the polypropylene fiber concrete the preparation method comprises the following steps: first by the aggregate of the composition by weight, cement,
High efficiency water reducing agent is put into mandatory blender, and the polypropylene fibre of the composition by weight is scatter with hand then, is added to
In blender, aggregate, cement, high efficiency water reducing agent, polypropylene fibre dry mixing 3 minutes or so are first allowed, then add water wet-mixing 3 and divide
Clock obtains the polypropylene fiber concrete；The polypropylene fibre mainly includes following component: acrylic resin raw material
80-90 parts, 2-5 parts of coupling agent, 3-6 parts of dispersing agent, 1.5-3.5 parts of fire retardant, 3.5-5.5 parts of coloring agent.
Further, the aggregate refers to natural river sand, fineness modulus 3.5, apparent density 2650kg/m3, bulk density
1500kg/m3, clay content 3-5%, water content 0.3%, mica content 3%, sulfate and sulfide content 1.5%, other are light
Content of material 0.8%.
Further, the polypropylene fibre preparation method the following steps are included:
A. machine is crushed using synthetic resin to crush acrylic resin raw material, then will obtain acrylic resin raw material fine powder
It pours into heatable agitator tank, mixing speed 180-300r/min, drying temperature is 100-120 DEG C, the dry duration
For 1-5h, make its moisture content lower than 1%；
B. to the coupling agent of the weight ratio, dispersing agent, fire-retardant is added in the acrylic resin raw material fine powder after dry
Agent, coloring agent carry out mechanical stirring mixing using mixed at high speed blender, first stir 2-3h with the revolving speed of 240-300r/min,
15-30min is stirred with the revolving speed of 1000-1200r/min again, controls whipping temp between 80-100 DEG C；
C. mixture melted by response type double screw extruder, squeezed, 180-200 DEG C of melting temperature, squeezed
Temperature is 220-240 DEG C, and the material after melt extruded carries out spinneret through spinning pack, and the aperture of spinning pack is 0.3-0.5mm,
Cold front heavy rain is accessed after spinneret, cold wind temperature is 20-30 DEG C, and cold air blast velocity 0.5-1m/min makes melt fiber after cooling
Temperature is at 20-30 DEG C；
D. melt fiber after cooling is stretched by 60-90 DEG C of hot-rolling, draw ratio is 1.5-3.0 times, is then made
It is cut with sizing cutting machine, controls length in 1000mm, boundling；
E. the melt fiber after boundling is subjected to oil bath, temperature is 90-110 DEG C, and oil bath length is 2-5m, in oil bath process
Middle carry out drawing-off, draw ratio 1:1.5；
F. the polypropylene fibre of 200mm length is handled using Surface Treatment with Plasma machine, using allylamine etc. from
Subprocessing, surface adhere to 50-100 μm of thickness, handle time 30-60min.
Further, the manganese-zinc ferrite powder for accounting for that weight ratio is 5-10 is added in the chain extension mixture preparation process, it will
Weighed manganese-zinc ferrite powder first takes off magnetic 3~5 minutes on demagnetizer, is then put into togerther in blender with chain-extension polymerization object,
It under 200~800 revs/min of low whipping speed, stirs 2~4 minutes, completes being mixed with for magnetic chain-extension polymerization object, by expansion
Zn ferrite powder is added in chain mixture makes it can be by magnetic convenient for being modified to polyurethane building atomising material sprayed coating
Change, convenient for by adding the electromagnet in the wall other end, being convenient for poly- in polyurethane building material spraying coating spraying process
The spraying of urethane construction material sprayed coating is adsorbed and is fixed.
Further, emulsifying bleeding agent backward in the full prepolymer preparation process, by being added in full prepolymer
Emulsifying bleeding agent afterwards detects convenient for the subsequent penetrant inspection to wall.
A kind of polyurethane building atomising material sprayed coating, application method are that it is vertical to hang big-wall for base course wall cleaning
Line draws horizontal line, and brushing polyurethane Moistureproof primer, 0.8~1.5cm of wall surface spraying PU thermal insulation material is thick, another in wall after 1h
The board-like electromagnet of side opening face, while spraying polyurethane spray coatings smear anticracking grout, paving pressure grid cloth, smear polypropylene fibre
Concrete is tieed up, second time spraying polyurethane spray coatings, brushing macromolecule emulsion flexible substrate coating scrape flexible waterproof putty,
The spray coating operations of polyurethane building atomising material sprayed coating are completed, waterproof and the guarantor of polyurethane building material spraying coating are enhanced
Warm nature energy enhances adherency and fixed effect of the polyurethane building material spraying coating in metope, while convenient for technical staff to poly-
The sprayed coating of urethane construction material sprayed coating is detected, and then impaired paint wall body position is safeguarded and repaired ahead of time
It mends.
3. beneficial effect
Compared with the prior art, the present invention has the advantages that
(1) this programme may be implemented to improve the preparation method of polyurethane building material spraying coating, enhance polyurethane building
The waterproof and thermal insulation property of material spraying coating, adherency and fixed effect of the enhancing polyurethane building material spraying coating in metope
Fruit, while the sprayed coating of polyurethane building material spraying coating is detected convenient for technical staff, and then ahead of time to impaired
It is safeguarded and is repaired in paint wall body position.
(2) modifying cinepazid emulsion the preparation method comprises the following steps: by 70-80 parts of deionized waters and whole allyloxy hydroxypropyl sulphur
Sour sodium, benzyl alcohol mix after, high-speed stirred to emulsify sufficiently after carry out warming-in-water, 70-80 DEG C to be warming up to, by weight plus
The over cure for entering styrene, benzyl alcohol, methyl methacrylate, acrylate and acrylic acid and being completely dissolved with remaining deionized water
Sour sodium after then heating to 85-90 DEG C, heat preservation one hour, is cooled to room temperature to get modifying cinepazid emulsion, by mixed in chain extension
It closes and modifying cinepazid emulsion is added in object, polyurethane building atomising material sprayed coating is water-fast, oil resistant, heat-resisting, resistance to old convenient for being promoted
The performances such as change.
(3) while full prepolymer preparation, carry out the preparation of polypropylene fiber concrete, polypropylene fiber concrete at
Be grouped as includes: 1.2-1.5 parts of polypropylene fibre, 300-350 parts of cement, 750-850 parts of aggregate, high efficiency water reducing agent 1.6-1.8
Part, 150-200 parts of water are made by polypropylene fiber concrete and polyurethane building atomising material the sprayed coating cooperation of preparation
With, adherency and fixed effect convenient for enhancing polyurethane building material spraying coating in metope, while promoting the plate of wall entirety
Knot degree reduces its partial region and the case where breach occurs.
(4) the manganese-zinc ferrite powder for accounting for that weight ratio is 5-10 is added in chain extension mixture preparation process, by weighed MnZn
Ferrite powder first takes off magnetic 3~5 minutes on demagnetizer, is then put into togerther in blender with chain-extension polymerization object, low whipping speed
It under 200~800 revs/min, stirs 2~4 minutes, being mixed with for magnetic chain-extension polymerization object is completed, by into chain extension mixture
Zn ferrite powder is added makes it that can be magnetized convenient for being modified to polyurethane building atomising material sprayed coating, convenient for poly-
In urethane construction material sprayed coating spraying process, by adding the electromagnet in the wall other end, it is convenient for polyurethane building material
Expect sprayed coating spraying absorption and fixes.
(5) emulsifying bleeding agent backward in full prepolymer preparation process, passes through emulsifying after being added in full prepolymer and seeps
Saturating agent detects convenient for the subsequent penetrant inspection to wall.
(6) a kind of polyurethane building atomising material sprayed coating, application method are that base course wall cleaning hangs big-wall and hangs down
Straight line draws horizontal line, and brushing polyurethane Moistureproof primer, 0.8~1.5cm of wall surface spraying PU thermal insulation material is thick, another in wall after 1h
The board-like electromagnet of side opening face, while spraying polyurethane spray coatings smear anticracking grout, paving pressure grid cloth, smear polypropylene
Fiber concrete, second time spraying polyurethane spray coatings, brushing macromolecule emulsion flexible substrate coating, it is greasy to scrape flexible waterproof
Son completes the spray coating operations of polyurethane building atomising material sprayed coating, enhances the waterproof of polyurethane building material spraying coating
And thermal insulation property, enhance adherency and fixed effect of the polyurethane building material spraying coating in metope, while being convenient for technical staff
The sprayed coating of polyurethane building material spraying coating is detected, and then impaired paint wall body position is safeguarded ahead of time
With repairing.
Detailed description of the invention
Fig. 1 is the preparation technology flow chart of polyurethane building atomising material sprayed coating of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description；Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the instruction such as term " on ", "lower", "inner", "outside" " top/bottom end "
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to removable
Connection is unloaded, or is integrally connected, can be mechanical connection, is also possible to be electrically connected, can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements, for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment 1:
Referring to Fig. 1, a kind of polyurethane building atomising material sprayed coating preparation method, polyurethane spray coating is under
The raw material for stating parts by weight is made: polymer polyatomic alcohol 100, isocyanates 20-50, chain extender 5-20, fire retardant 10-40, catalysis
Agent 1-15, foaming agent 3-15, foam stabilizer 2-8, modifying cinepazid emulsion 5-8, the synergists such as antimony oxide 1-5；
Full prepolymer preparation: polymer polyatomic alcohol is uniformly mixed with isocyanic acid by required different weight part, sufficiently to it
After reaction, full polymers is obtained, while prepared by full prepolymer, carries out the preparation of polypropylene fiber concrete, polypropylene fibre is mixed
Solidifying soil includes: 1.2-1.5 parts of polypropylene fibre, 300-350 parts of cement, 750-850 parts of aggregate, high efficiency water reducing agent at being grouped as
1.6-1.8 parts, 150-200 parts of water pass through the polypropylene fiber concrete and polyurethane building atomising material sprayed coating of preparation
It is used cooperatively, the adherency and fixed effect convenient for enhancing polyurethane building material spraying coating in metope, while it is whole to promote wall
The hardened degree of body reduces its partial region and the case where breach occurs；
The preparation of chain extension mixture: chain extender, fire retardant, catalyst, foaming agent, foam stabilizer, modifying cinepazid emulsion are mixed,
To its reaction mixing, the manganese-zinc ferrite powder for accounting for that weight ratio is 5-10 is added in chain extension mixture preparation process, by weighed manganese
Zn ferrite powder first takes off magnetic 3~5 minutes on demagnetizer, is then put into togerther in blender with chain-extension polymerization object, in stirring speed
It under 200~800 revs/min of degree, stirs 2~4 minutes, completes being mixed with for magnetic chain-extension polymerization object, by chain extension mixture
Interior addition Zn ferrite powder makes it that can be magnetized convenient for being modified to polyurethane building atomising material sprayed coating, is convenient for
In polyurethane building material spraying coating spraying process, by adding the electromagnet in the wall other end, it is convenient for polyurethane building
Material spraying coating spraying absorption and fixed, emulsifying bleeding agent backward in full prepolymer preparation process, by full prepolymer
Emulsifying bleeding agent after interior addition detects convenient for the subsequent penetrant inspection to wall；
Polyurethane spray coating preparation: by full prepolymer and chain extension mixture by weight in uniformly being mixed in mixing chamber,
Preparation process is completed, the preparation method for improving polyurethane building material spraying coating may be implemented, enhance polyurethane building material
The waterproof and thermal insulation property of sprayed coating enhance adherency and fixed effect of the polyurethane building material spraying coating in metope, together
When detected convenient for sprayed coating of the technical staff to polyurethane building material spraying coating, and then ahead of time to impaired coating wall
Body region is safeguarded and is repaired.
The raw material of modifying cinepazid emulsion are as follows: deionized water 80-110, benzyl alcohol 4-6, styrene 15-20, methacrylic acid
Methyl esters 7-9, acrylate 5-8, acrylic acid 4-6, sodium peroxydisulfate 0.3-0.5, allyloxy hydroxypropyl azochlorosulfonate acid sodium 0.5-0.7, change
Property styrene-acrylic emulsion the preparation method comprises the following steps: by the allyloxy hydroxypropyl azochlorosulfonate acid sodium of 70-80 parts of deionized waters and whole, benzyl alcohol mixes
After even, high-speed stirred carries out warming-in-water, 70-80 DEG C to be warming up to, by weight addition styrene, benzene first to after emulsifying sufficiently
Alcohol, methyl methacrylate, acrylate and acrylic acid and the sodium peroxydisulfate being completely dissolved with remaining deionized water, then heat up
To 85-90 DEG C, after heat preservation one hour, it is cooled to room temperature to get modifying cinepazid emulsion, is modified by being added in chain extension mixture
Styrene-acrylic emulsion, convenient for promoting the performances such as water-fast polyurethane building atomising material sprayed coating, oil resistant, heat-resisting, ageing-resistant.
Polypropylene fiber concrete is the preparation method comprises the following steps: be first put into pressure for the aggregate of composition by weight, cement, high efficiency water reducing agent
In property blender, the polypropylene fibre of composition by weight is scatter with hand then, is added in blender, first allow aggregate, cement,
High efficiency water reducing agent, polypropylene fibre dry mixing 3 minutes or so, then add water wet-mixing 3 minutes, the polypropylene fibre coagulation obtained
Soil；Polypropylene fibre mainly include following component: 80-90 parts of acrylic resin raw material, 2-5 parts of coupling agent, dispersing agent 3-6
Part, 1.5-3.5 parts of fire retardant, 3.5-5.5 parts of coloring agent, aggregate refers to natural river sand, fineness modulus 3.5, apparent density
2650kg/m3, bulk density 1500kg/m3, clay content 3-5%, water content 0.3%, mica content 3%, sulfate and vulcanization
Object content 1.5%, other lightweight matter in aggregate 0.8%.
The preparation method of polypropylene fibre the following steps are included:
A. machine is crushed using synthetic resin to crush acrylic resin raw material, then will obtain acrylic resin raw material fine powder
It pours into heatable agitator tank, mixing speed 180-300r/min, drying temperature is 100-120 DEG C, the dry duration
For 1-5h, make its moisture content lower than 1%；
B. to coupling agent, dispersing agent, the fire retardant, dye that weight ratio is added in the acrylic resin raw material fine powder after drying
Toner carries out mechanical stirring mixing using mixed at high speed blender, first with the revolving speed stirring 2-3h of 240-300r/min, then with
The revolving speed of 1000-1200r/min stirs 15-30min, controls whipping temp between 80-100 DEG C；
C. mixture melted by response type double screw extruder, squeezed, 180-200 DEG C of melting temperature, squeezed
Temperature is 220-240 DEG C, and the material after melt extruded carries out spinneret through spinning pack, and the aperture of spinning pack is 0.3-0.5mm,
Cold front heavy rain is accessed after spinneret, cold wind temperature is 20-30 DEG C, and cold air blast velocity 0.5-1m/min makes melt fiber after cooling
Temperature is at 20-30 DEG C；
D. melt fiber after cooling is stretched by 60-90 DEG C of hot-rolling, draw ratio is 1.5-3.0 times, is then made
It is cut with sizing cutting machine, controls length in 1000mm, boundling；
E. the melt fiber after boundling is subjected to oil bath, temperature is 90-110 DEG C, and oil bath length is 2-5m, in oil bath process
Middle carry out drawing-off, draw ratio 1:1.5；
F. the polypropylene fibre of 200mm length is handled using Surface Treatment with Plasma machine, using allylamine etc. from
Subprocessing, surface adhere to 50-100 μm of thickness, handle time 30-60min.
A kind of polyurethane building atomising material sprayed coating, application method are that it is vertical to hang big-wall for base course wall cleaning
Line draws horizontal line, and brushing polyurethane Moistureproof primer, 0.8~1.5cm of wall surface spraying PU thermal insulation material is thick, another in wall after 1h
The board-like electromagnet of side opening face, while spraying polyurethane spray coatings smear anticracking grout, paving pressure grid cloth, smear polypropylene fibre
Concrete is tieed up, second time spraying polyurethane spray coatings, brushing macromolecule emulsion flexible substrate coating scrape flexible waterproof putty,
The spray coating operations of polyurethane building atomising material sprayed coating are completed, waterproof and the guarantor of polyurethane building material spraying coating are enhanced
Warm nature energy enhances adherency and fixed effect of the polyurethane building material spraying coating in metope, while convenient for technical staff to poly-
The sprayed coating of urethane construction material sprayed coating is detected, and then impaired paint wall body position is safeguarded and repaired ahead of time
It mends.
The foregoing is intended to be a preferred embodiment of the present invention；But scope of protection of the present invention is not limited thereto.
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
It improves design and is subject to equivalent substitution or change, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of polyurethane building atomising material sprayed coating preparation method, it is characterised in that:
The polyurethane spray coating is made of the raw material of following weight parts: polymer polyatomic alcohol 100, isocyanates 20-50,
Chain extender 5-20, fire retardant 10-40, catalyst 1-15, foaming agent 3-15, foam stabilizer 2-8, modifying cinepazid emulsion 5-8, three oxidations
The synergists such as two antimony 1-5；
Full prepolymer preparation: polymer polyatomic alcohol is uniformly mixed with isocyanic acid by required different weight part, is sufficiently reacted to it
Afterwards, full polymers is obtained；
The preparation of chain extension mixture: chain extender, fire retardant, catalyst, foaming agent, foam stabilizer, modifying cinepazid emulsion are mixed, to it
Reaction mixing；
Polyurethane spray coating preparation: full prepolymer is completed with chain extension mixture by weight in uniformly mixing in mixing chamber
Preparation process.
2. a kind of polyurethane building atomising material sprayed coating preparation method according to claim 1, it is characterised in that: described
The raw material of modifying cinepazid emulsion are as follows: deionized water 80-110, benzyl alcohol 4-6, styrene 15-20, methyl methacrylate 7-9,
Acrylate 5-8, acrylic acid 4-6, sodium peroxydisulfate 0.3-0.5, allyloxy hydroxypropyl azochlorosulfonate acid sodium 0.5-0.7.
3. a kind of polyurethane building atomising material sprayed coating preparation method according to claim 2, it is characterised in that: described
Modifying cinepazid emulsion the preparation method comprises the following steps: by 70-80 parts of deionized waters and whole allyloxy hydroxypropyl azochlorosulfonate acid sodiums, benzyl alcohol
After mixing, high-speed stirred carries out warming-in-water, 70-80 DEG C to be warming up to, by weight addition styrene, benzene to after emulsifying sufficiently
Methanol, methyl methacrylate, acrylate and acrylic acid and the sodium peroxydisulfate being completely dissolved with remaining deionized water, then rise
Temperature after heat preservation one hour, is cooled to room temperature to 85-90 DEG C to get modifying cinepazid emulsion.
4. a kind of polyurethane building atomising material sprayed coating preparation method according to claim 1, it is characterised in that: described
While full prepolymer preparation, carry out the preparation of polypropylene fiber concrete, the polypropylene fiber concrete at being grouped as
It include: 1.2-1.5 parts of polypropylene fibre, 300-350 parts of cement, 750-850 parts of aggregate, 1.6-1.8 parts of high efficiency water reducing agent, water
150-200 parts.
5. a kind of polyurethane building atomising material sprayed coating preparation method according to claim 4, it is characterised in that: described
Polypropylene fiber concrete is the preparation method comprises the following steps: be first put into mandatory stir for the aggregate, cement, high efficiency water reducing agent of the composition by weight
Mix in machine, the polypropylene fibre of the composition by weight scatter with hand then, is added in blender, first allow aggregate, cement,
High efficiency water reducing agent, polypropylene fibre dry mixing 3 minutes or so, then add water wet-mixing 3 minutes, and it is mixed to obtain the polypropylene fibre
Solidifying soil；The polypropylene fibre mainly includes following component: 80-90 parts of acrylic resin raw material, 2-5 parts of coupling agent, and dispersing agent
3-6 parts, 1.5-3.5 parts of fire retardant, 3.5-5.5 parts of coloring agent.
6. a kind of polyurethane building atomising material sprayed coating preparation method according to claim 4, it is characterised in that: described
Aggregate refers to natural river sand, fineness modulus 3.5, apparent density 2650kg/m3, bulk density 1500kg/m3, clay content 3-5%,
Water content 0.3%, mica content 3%, sulfate and sulfide content 1.5%, other lightweight matter in aggregate 0.8%.
7. a kind of polyurethane building atomising material sprayed coating preparation method according to claim 5, it is characterised in that: described
The preparation method of polypropylene fibre the following steps are included:
A. machine is crushed using synthetic resin to crush acrylic resin raw material, then will obtain acrylic resin raw material fine powder and pour into
In heatable agitator tank, mixing speed 180-300r/min, drying temperature is 100-120 DEG C, and the dry duration is 1-
5h makes its moisture content lower than 1%；
B. to the coupling agent, dispersing agent, fire retardant, dye that the weight ratio is added in the acrylic resin raw material fine powder after drying
Toner carries out mechanical stirring mixing using mixed at high speed blender, first with the revolving speed stirring 2-3h of 240-300r/min, then with
The revolving speed of 1000-1200r/min stirs 15-30min, controls whipping temp between 80-100 DEG C；
C. mixture melted by response type double screw extruder, squeezed, 180-200 DEG C of melting temperature, squeeze temperature
It is 220-240 DEG C, the material after melt extruded carries out spinneret through spinning pack, and the aperture of spinning pack is 0.3-0.5mm, spinneret
After access cold front heavy rain, cold wind temperature is 20-30 DEG C, cold air blast velocity 0.5-1m/min, makes melt fiber temperature after cooling
At 20-30 DEG C；
D. melt fiber after cooling is stretched by 60-90 DEG C of hot-rolling, draw ratio is 1.5-3.0 times, then using fixed
Ruler cutting machine is cut, and controls length in 1000mm, boundling；
E. by after boundling melt fiber carry out oil bath, temperature be 90-110 DEG C, oil bath length be 2-5m, during oil bath into
Row drawing-off, draw ratio 1:1.5；
F. the polypropylene fibre of 200mm length is handled using Surface Treatment with Plasma machine, at allylamine plasma
Reason, surface adhere to 50-100 μm of thickness, handle time 30-60min.
8. a kind of polyurethane building atomising material sprayed coating preparation method according to claim 1, it is characterised in that: described
The manganese-zinc ferrite powder for accounting for that weight ratio is 5-10 is added in chain extension mixture preparation process, weighed manganese-zinc ferrite powder is first existed
It takes off magnetic 3~5 minutes, is then put into togerther in blender with chain-extension polymerization object, 200~800 revs/min of low whipping speed on demagnetizer
Under, it stirs 2~4 minutes, completes being mixed with for magnetic chain-extension polymerization object.
9. a kind of polyurethane building atomising material sprayed coating preparation method according to claim 1, it is characterised in that: described
Emulsifying bleeding agent backward in full prepolymer preparation process.
10. a kind of polyurethane building atomising material sprayed coating application method according to claim 1, it is characterised in that: base
Layer wall cleaning, hangs big-wall vertical line, draws horizontal line, brushing polyurethane Moistureproof primer, and wall surface spraying PU thermal insulation material 0.8~
1.5cm is thick, in the board-like electromagnet of wall other side opening face after 1h, while spraying polyurethane spray coatings, smear anticracking grout, paving
It presses grid cloth, smear polypropylene fiber concrete, second time spraying polyurethane spray coatings, brushing macromolecule emulsion flexible substrate
Coating scrapes flexible waterproof putty, completes the spray coating operations of polyurethane building atomising material sprayed coating.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101671424A (en) * | 2009-10-13 | 2010-03-17 | 四川德美环境技术有限责任公司 | Magnetic polyurethane foaming carrier material used for biological fluidized bed and preparation method thereof |
| CN102702955A (en) * | 2012-04-27 | 2012-10-03 | 安徽大学 | Spray-coating type polyurethane combined material for waterproofing and heat insulation of building and application method thereof |
| CN106186864A (en) * | 2016-07-08 | 2016-12-07 | 华北水利水电大学 | A kind of Novel polypropylene fiber concrete and preparation method thereof |
-
2018
- 2018-08-03 CN CN201810875049.XA patent/CN109233593A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101671424A (en) * | 2009-10-13 | 2010-03-17 | 四川德美环境技术有限责任公司 | Magnetic polyurethane foaming carrier material used for biological fluidized bed and preparation method thereof |
| CN102702955A (en) * | 2012-04-27 | 2012-10-03 | 安徽大学 | Spray-coating type polyurethane combined material for waterproofing and heat insulation of building and application method thereof |
| CN106186864A (en) * | 2016-07-08 | 2016-12-07 | 华北水利水电大学 | A kind of Novel polypropylene fiber concrete and preparation method thereof |
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Application publication date: 20190118 |