CN109266193A - A kind of fire-retardant single-component polyurethane water-proof paint and preparation method thereof - Google Patents
A kind of fire-retardant single-component polyurethane water-proof paint and preparation method thereof Download PDFInfo
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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
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
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- 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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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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Abstract
The invention discloses a kind of fire-retardant single-component polyurethane water-proof paint and preparation method thereof, the present invention selects three kinds of tricresyl phosphate, urea and melamine fire proofing cooperations, synergistic, plays good flame retardant effect.Simultaneously, the toluene di-isocyanate(TDI) that the present invention replaces toxicity big using methyl diphenylene diisocyanate is as raw material, the toxicity of product when effectively reducing production process and using, more environmentally friendly safety, the polyurethane water-proof paint of one-component use more convenient compared with two-component coating.Preparation method step of the invention is few, simple process, overcomes and prepared the big disadvantage of coating process difficulty with methyl diphenylene diisocyanate in the past.
Description
Technical field
The present invention relates to polyurethane water-proof paint fields, more particularly to fire-retardant single-component polyurethane water-proof paint.
Background technique
Polyurethanes water-repellent paint, the waterproofing membrane formed after coating is cured have certain extensibility, elastoplasticity, resist
Fragility, impermeability and weatherability can play waterproof, prevent blending protective effect, therefore be widely used.
In recent years, the polyurethane water-proof paint in China has obtained gratifying development, and product more tends to diversification, scientific and technological content
It improves, the demand of polyurethane water-proof paint is continuously increased.
This kind of material is usually to be made of polyurethane and coal tar as raw material.The tar gas toxicity that it is volatilized is big,
And easy-clear is not allowed, therefore be prohibited from using in China in 2000.It is with pitch generation still in the polyurethane waterproofing coating of sale
For coal tar as raw material.But when using this coating, generally diluted using organic solvents such as containing toluene, dimethylbenzene,
Thus also containing toxic, and there is also very big toxicity for its raw material toluene di-isocyanate(TDI) itself, endanger the health of people,
Very big pollution can be also caused to environment.
Polyurethane water-proof paint currently on the market is divided into single bi-component, and the polyurethane water-proof paint of component is at the construction field (site)
Component A and B component need to be mixed, technical requirements when to site operation are high, construct not easy, one pack system can be opened directly at the scene
Bucket construction, therefore, one pack system is with greater advantage than bi-component.The technique controlling difficulty of bi-component is lower, therefore a small number of producers
Go out environment-friendly double-component polyurethane instead of the production of toluene diisocyanate being more toxic with methyl diphenylene diisocyanate
Water-repellent paint.Since single-component polyurethane water-proof paint is especially high to technique, formula difficulty requirement, and two isocyanide of diphenyl methane
It is higher to technique, recipe requirements when acid esters is used as production polyurethane water-proof paint, therefore the rare diphenylmethane diisocyanate in market
Ester type one pack system environment protectional polyurethane waterproof coating.
The raw material that coating uses is mostly inflammable organic chemicals, if meet hot environment or fire, inflammable painting
Material inevitably results in more serious disaster, and therefore, research is of great significance except fire-retardant single-component polyurethane water-proof paint.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of fire-retardant single-component polyurethane water-proof paints, can effectively hinder
Combustion, it is environmentally friendly and convenient to use.
In order to solve the above technical problems, one technical scheme adopted by the invention is that:
A kind of fire-retardant single-component polyurethane water-proof paint is provided, is made of following parts by weight of component: polyurethane resin 10~
20 parts, 1~5 part of '-diphenylmethane diisocyanate, 10~20 parts of polyether polyol, 5~10 parts of crystalline polyester polyols, catalysis
0.08~0.15 part of agent, 10~25 parts of citrate, 10~20 parts of filler, 1~3 part of diluent, 0.1~0.5 part of defoaming agent, phosphorus
3~5 parts of sour front three phenyl ester, 1~4 part of urea, 5~10 parts of melamine and 0.2~0.5 part of latent curing agent.
Further, the polyether polyol be selected from PPG400, PPG600, PPG1000, PPG2000, PTMG650,
One of PTMG1000, PTMG1400, PTMG1800, PTMG2000 or a variety of.
The a little toxicity of main ingredient isocyanates band of methyl diphenylene diisocyanate adds in the mixed process of product
The polyethers for entering itself hydroxyl is reacted with isocyanates, during the reaction eliminate or reduce isocyanates toxicity, make its at
The polyurethane water-proof paint environmental protection more traditional than in the market of product polyurethane water-proof paint.
Further, the crystalline polyester polyols are closed by the dicarboxylic acids that hexylene glycol and molecular formula are HOOC-R-COOH
At wherein R indicates that carbon atom number is 6~12 alkyl.
Further, the '-diphenylmethane diisocyanate is 4,4 '-methyl diphenylene diisocyanates.
Further, the catalyst is selected from dibutyl tin dilaurate or stannous octoate；It is further selected from tin dilaurate
Dibutyl tin.
Further, the defoaming agent is in silicone emulsion, dimethyl silicone polymer, polyoxyethylene oxygen propyl alcohol amidogen ether
Any one.
Further, the filler is precipitated calcium carbonate and powdered whiting, and the precipitated calcium carbonate parts by weight are 5~10
Part, the powdered whiting parts by weight are 5~10 parts.Wherein, the partial size of the light calcium is 300~500 mesh, the grain of the coarse whiting
Diameter is 700~900 mesh.
Further, the diluent is S-150 aromatic naphtha.
Further, the latent curing agent is acetone-ethylenediamine condensation product.
The acetone-ethylenediamine condensation product structural formula is as follows:
The present invention also provides a kind of preparation methods of above-mentioned water-repellent paint, including the following steps:
(1) by polyurethane resin, '-diphenylmethane diisocyanate, polyether polyol, crystalline polyester polyols, catalysis
Agent, citrate, filler, diluent and defoaming agent are mixed at 60~80 DEG C；
(2) it adds latent curing agent into mixture obtained by step (1), is uniformly mixed to obtain the final product.
The beneficial effects of the present invention are:
(1) the fire-retardant single-component polyurethane water-proof paint of the present invention is using tricresyl phosphate, urea and three kinds of melamine
Fire proofing cooperation, it is synergistic, make coating of the present invention that there is good anti-flammability.
(2) the fire-retardant single-component polyurethane water-proof paint of the present invention is not used highly toxic toluene di-isocyanate(TDI), product without
Poison is harmless, environmentally protective, has good market prospects.
(3) the fire-retardant single-component polyurethane water-proof paint of the present invention is easy to use, waterproof performance and its excellent physical properties, point
It dissipates uniformly, spreading property is excellent, and film forming rear surface is smooth, good toughness, will not generate bubble in coating procedure, solidification effect is good
It is good, it is not in surface blemish in solidification process.
(4) the fire-retardant single-component polyurethane water-proof paint preparation process of the present invention is simple, and high production efficiency can give birth on a large scale
It produces, there is commercial introduction value.
Specific embodiment
Technical solution of the present invention is clearly and completely described below, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Embodiment 1
(1) 7kg hexylene glycol, 5kg adipic acid are uniformly mixed and are warming up to 100 DEG C, positive four butoxy of 0.03kg is added
Titanium is warming up to 180 DEG C with the heating rate of 2 DEG C/min, adds positive four butoxy of 0.01kg after reaction 0.5h again at this temperature
Titanium is warming up to 200 DEG C with the heating rate of 1 DEG C/min, obtains the crystalline polyester that average molecular weight is 1800 after reacting 0.5h
Polyalcohol, DSC test show apparent crystalline melting peak.
(2) by 10kg polyurethane resin, 1kg '-diphenylmethane diisocyanate, poly- PPG2000,5kg crystalline polyester of 10kg
Polyalcohol, 0.08kg dibutyl tin dilaurate, 10kg citrate, the precipitated calcium carbonate of 300 mesh of 5kg, 700 purpose of 5kg
Powdered whiting, 1kg S-150 aromatic naphtha and the mixing of 0.1kg silicone emulsion, are stirred under 60 DEG C, the stirring rate of 1100r/min
Mix 1h.
(3) added into mixture obtained by step (2) 5kg tricresyl phosphate, 4kg urea, 10kg melamine and
0.2kg acetone-ethylenediamine condensation product stirs 30min with the stirring rate of 550r/min, is uniformly mixed it, is cooled to room
Temperature is to get the fire-retardant single-component polyurethane water-proof paint of the present invention.Its surface drying time 5h, does solid work time 22h, adhesion strength
5.0Mpa, elongation at break 600%, tearing strength 30N/mm.
Embodiment 2
(1) 7kg hexylene glycol, 5kg adipic acid are uniformly mixed and are warming up to 100 DEG C, positive four butoxy of 0.03kg is added
Titanium is warming up to 180 DEG C with the heating rate of 2 DEG C/min, adds positive four butoxy of 0.01kg after reaction 0.5h again at this temperature
Titanium is warming up to 200 DEG C with the heating rate of 1 DEG C/min, obtains the crystalline polyester that average molecular weight is 1800 after reacting 0.5h
Polyalcohol, DSC test show apparent crystalline melting peak.
(2) by 20kg polyurethane resin, 5kg '-diphenylmethane diisocyanate, 20kg PTMG650,10kg crystalline polyester
The heavy carbon of polyalcohol, 0.15kg stannous octoate, 25kg citrate, the precipitated calcium carbonate of 500 mesh of 10kg, 900 mesh of 10kg
Sour calcium, 3kg S-150 aromatic naphtha and the mixing of 0.5kg dimethyl silicone polymer, are stirred under 80 DEG C, the stirring rate of 1100r/min
Mix 1h.
(3) added into mixture obtained by step (2) 5kg tricresyl phosphate, 4kg urea, 10kg melamine and
One ethylenediamine condensation product of 0.5kg acetone stirs 30min with the stirring rate of 550r/min, is uniformly mixed it, is cooled to room
Temperature is to get the fire-retardant single-component polyurethane water-proof paint of the present invention.Its surface drying time 5h, does solid work time 20h, adhesion strength
6.0Mpa, elongation at break 700%, tearing strength 45N/mm.
Embodiment 3
(1) 8kg hexylene glycol, 5kg dodecanedicarboxylic acid are uniformly mixed and are warming up to 120 DEG C, 0.04kg is being added just
Four titanium butoxides are warming up to 180 DEG C with the heating rate of 2 DEG C/min, add positive the four of 0.01kg again after reacting 1h at this temperature
Titanium butoxide is warming up to 210 DEG C with the heating rate of 1 DEG C/min, obtains the crystallinity that average molecular weight is 3500 after reacting 1h
Polyester polyol, DSC test show apparent crystalline melting peak.
(2) 15kg polyurethane resin, 3kg '-diphenylmethane diisocyanate, 15kg PPG400,8kg crystalline polyester is more
First alcohol, 0.1kg dibutyl tin dilaurate, 16kg citrate, the precipitated calcium carbonate of 500 mesh of 8kg, 900 mesh of 7kg heavy
Calcium carbonate, 2kg S-150 aromatic naphtha and 0.3kg parts of polyoxyethylene oxygen propyl alcohol amidogen ether mixing, in 70 DEG C, the stirring of 1100r/min
1h is stirred under rate.
(3) added into mixture obtained by step (2) 5kg tricresyl phosphate, 4kg urea, 10kg melamine and
0.35kg acetone-ethylenediamine condensation product stirs 30min with the stirring rate of 550r/min, is uniformly mixed it, is cooled to room
Temperature is to get the fire-retardant single-component polyurethane water-proof paint of the present invention.Its surface drying time 5.5h, does solid work time 20h, adhesion strength
6.0Mpa, elongation at break 750%, tearing strength 45N/mm.
Embodiment 4
(1) 8kg hexylene glycol, 5kg dodecanedicarboxylic acid are uniformly mixed and are warming up to 120 DEG C, 0.04kg is being added just
Four titanium butoxides are warming up to 180 DEG C with the heating rate of 2 DEG C/min, add positive the four of 0.01kg again after reacting 1h at this temperature
Titanium butoxide is warming up to 210 DEG C with the heating rate of 1 DEG C/min, obtains the crystallinity that average molecular weight is 3500 after reacting 1h
Polyester polyol, DSC test show apparent crystalline melting peak.
(2) 15kg polyurethane resin, 3kg '-diphenylmethane diisocyanate, 15kg PPG600,8kg crystalline polyester is more
First alcohol, 0.1kg dibutyl tin dilaurate, 16kg citrate, the precipitated calcium carbonate of 500 mesh of 8kg, 900 mesh of 7kg heavy
Calcium carbonate, 2kg S-150 aromatic naphtha and 0.3kg parts of polyoxyethylene oxygen propyl alcohol amidogen ether mixing, in 70 DEG C, the stirring of 1100r/min
1h is stirred under rate.
(3) added into mixture obtained by step (2) 5kg tricresyl phosphate, 4kg urea, 10kg melamine and
0.3kg acetone-ethylenediamine condensation product stirs 30min with the stirring rate of 550r/min, is uniformly mixed it, is cooled to room
Temperature is to get the fire-retardant single-component polyurethane water-proof paint of the present invention.Its surface drying time 7h, does solid work time 22h, adhesion strength
3.0Mpa, elongation at break 500%, tearing strength 20N/mm.
Embodiment 5
(1) 8kg hexylene glycol, ten alkyl dicarboxylic aid of 6kg are uniformly mixed and are warming up to 110 DEG C, positive the four of 0.03kg are added
Titanium butoxide is warming up to 170 DEG C with the heating rate of 2 DEG C/min, adds positive four fourth of 0.01kg after reaction 1h again at this temperature
Oxygroup titanium is warming up to 200 DEG C with the heating rate of 1 DEG C/min, obtains the crystallinity that average molecular weight is 2500 after reacting 0.5h
Polyester polyol, DSC test show apparent crystalline melting peak.
(2) 15kg polyurethane resin, 3kg '-diphenylmethane diisocyanate, 15kg PPG400,8kg crystalline polyester is more
First alcohol, 0.1kg stannous octoate, 16kg citrate, the precipitated calcium carbonate of 500 mesh of 8kg, 900 mesh of 7kg powdered whiting,
2kg S-150 aromatic naphtha and the mixing of 0.3kg parts of polyoxyethylene oxygen propyl alcohol amidogen ethers are stirred under 70 DEG C, the stirring rate of 1100r/min
Mix 1h.
(3) added into mixture obtained by step (2) 3kg tricresyl phosphate, 1kg urea, 5kg melamine and
0.35kg acetone-ethylenediamine condensation product stirs 30min with the stirring rate of 550r/min, is uniformly mixed it, is cooled to room
Temperature is to get the fire-retardant single-component polyurethane water-proof paint of the present invention.Its surface drying time 5h, does solid work time 20h, adhesion strength
5.0Mpa, elongation at break 700%, tearing strength 35N/mm.
Embodiment 6
(1) 8kg hexylene glycol, ten alkyl dicarboxylic aid of 6kg are uniformly mixed and are warming up to 110 DEG C, positive the four of 0.03kg are added
Titanium butoxide is warming up to 170 DEG C with the heating rate of 2 DEG C/min, adds positive four fourth of 0.01kg after reaction 1h again at this temperature
Oxygroup titanium is warming up to 200 DEG C with the heating rate of 1 DEG C/min, obtains the crystallinity that average molecular weight is 2500 after reacting 0.5h
Polyester polyol, DSC test show apparent crystalline melting peak.
(2) 15kg polyurethane resin, 3kg '-diphenylmethane diisocyanate, 15kg PPG400,8kg crystalline polyester is more
First alcohol, 0.1kg stannous octoate, 16kg citrate, the precipitated calcium carbonate of 300 mesh of 5kg, 900 mesh of 10kg powdered whiting,
2kg S-150 aromatic naphtha and the mixing of 0.3kg parts of polyoxyethylene oxygen propyl alcohol amidogen ethers are stirred under 70 DEG C, the stirring rate of 1100r/min
Mix 1h.
(3) added into mixture obtained by step (2) 3kg tricresyl phosphate, 1kg urea, 5kg melamine and
0.35kg acetone-ethylenediamine condensation product stirs 30min with the stirring rate of 550r/min, is uniformly mixed it, is cooled to room
Temperature is to get the fire-retardant single-component polyurethane water-proof paint of the present invention.Its surface drying time 6h, does solid work time 21h, adhesion strength
5.0Mpa, elongation at break 600%, tearing strength 30N/mm.
Embodiment 7
(1) 8kg hexylene glycol, ten alkyl dicarboxylic aid of 6kg are uniformly mixed and are warming up to 110 DEG C, positive the four of 0.03kg are added
Titanium butoxide is warming up to 170 DEG C with the heating rate of 2 DEG C/min, adds positive four fourth of 0.01kg after reaction 1h again at this temperature
Oxygroup titanium is warming up to 200 DEG C with the heating rate of 1 DEG C/min, obtains the crystallinity that average molecular weight is 2500 after reacting 0.5h
Polyester polyol, DSC test show apparent crystalline melting peak.
(2) 15kg polyurethane resin, 3kg '-diphenylmethane diisocyanate, 15kg PPG400,8kg crystalline polyester is more
First alcohol, 0.1kg dibutyl tin dilaurate, 16kg citrate, the precipitated calcium carbonate of 300 mesh of 5kg, 900 mesh of 10kg weight
Matter calcium carbonate, 2kg S-150 aromatic naphtha and the mixing of 0.3kg parts of polyoxyethylene oxygen propyl alcohol amidogen ethers are stirred in 70 DEG C, 1100r/min
It mixes and stirs 1h under rate.
(3) added into mixture obtained by step (2) 3kg tricresyl phosphate, 1kg urea, 5kg melamine and
0.35kg acetone-ethylenediamine condensation product stirs 30min with the stirring rate of 550r/min, is uniformly mixed it, is cooled to room
Temperature is to get the fire-retardant single-component polyurethane water-proof paint of the present invention.Its surface drying time 6h, does solid work time 20h, adhesion strength
5.0Mpa, elongation at break 650%, tearing strength 40N/mm.
Embodiment 8
(1) 7kg hexylene glycol, 5kg adipic acid are uniformly mixed and are warming up to 100 DEG C, positive four butoxy of 0.03kg is added
Titanium is warming up to 180 DEG C with the heating rate of 2 DEG C/min, adds positive four butoxy of 0.01kg after reaction 0.5h again at this temperature
Titanium is warming up to 200 DEG C with the heating rate of 1 DEG C/min, obtains the crystalline polyester that average molecular weight is 1800 after reacting 0.5h
Polyalcohol, DSC test show apparent crystalline melting peak.
(2) by 12kg polyurethane resin, 4kg '-diphenylmethane diisocyanate, 17kg PTMG1000,7kg crystalline polyester
Polyalcohol, 0.12kg dibutyl tin dilaurate, 20kg citrate, the precipitated calcium carbonate of 8kg500 mesh, 7kg900 mesh weight
Matter calcium carbonate, 1kg S-150 aromatic naphtha and the mixing of 0.4kg silicone emulsion, are stirred under 75 DEG C, the stirring rate of 1100r/min
1h。
(3) added into mixture obtained by step (2) 4kg tricresyl phosphate, 2kg urea, 8kg melamine and
0.4kg acetone-ethylenediamine condensation product stirs 30min with the stirring rate of 550r/min, is uniformly mixed it, is cooled to room
Temperature is to get the fire-retardant single-component polyurethane water-proof paint of the present invention.Its surface drying time 4h, does solid work time 19h, adhesion strength
6.0Mpa, elongation at break 750%, tearing strength 45N/mm.
Embodiment 9
(1) 7kg hexylene glycol, 5kg adipic acid are uniformly mixed and are warming up to 100 DEG C, positive four butoxy of 0.03kg is added
Titanium is warming up to 180 DEG C with the heating rate of 2 DEG C/min, adds positive four butoxy of 0.01kg after reaction 0.5h again at this temperature
Titanium is warming up to 200 DEG C with the heating rate of 1 DEG C/min, obtains the crystalline polyester that average molecular weight is 1800 after reacting 0.5h
Polyalcohol, DSC test show apparent crystalline melting peak.
(2) by 12kg polyurethane resin, 4kg '-diphenylmethane diisocyanate, 17kg PTMG1000,7kg crystalline polyester
Polyalcohol, 0.12kg dibutyl tin dilaurate, 20kg citrate, the precipitated calcium carbonate of 500 mesh of 8kg, 900 purpose of 7kg
Powdered whiting, 1kg S-150 aromatic naphtha and the mixing of 0.4kg silicone emulsion, are stirred under 75 DEG C, the stirring rate of 1100r/min
Mix 1h.
(3) added into mixture obtained by step (2) 4kg tricresyl phosphate, 2kg urea, 8kg melamine and
0.4kg acetone-ethylenediamine condensation product stirs 30min with the stirring rate of 550r/min, is uniformly mixed it, is cooled to room
Temperature is to get the fire-retardant single-component polyurethane water-proof paint of the present invention.Its surface drying time 5h, does solid work time 22h, adhesion strength
5.0Mpa, elongation at break 650%, tearing strength 30N/mm.
Embodiment 10
(1) 8kg hexylene glycol, ten alkyl dicarboxylic aid of 6kg are uniformly mixed and are warming up to 110 DEG C, positive the four of 0.03kg are added
Titanium butoxide is warming up to 170 DEG C with the heating rate of 2 DEG C/min, adds positive four fourth of 0.01kg after reaction 1h again at this temperature
Oxygroup titanium is warming up to 200 DEG C with the heating rate of 1 DEG C/min, obtains the crystallinity that average molecular weight is 2500 after reacting 0.5h
Polyester polyol, DSC test show apparent crystalline melting peak.
(2) by 12kg polyurethane resin, 4kg '-diphenylmethane diisocyanate, 17kg PTMG1000,7kg crystalline polyester
Polyalcohol, 0.12kg dibutyl tin dilaurate, 20kg citrate, the precipitated calcium carbonate of 8kg400 mesh, 7kg800 mesh weight
Matter calcium carbonate, 1kg S-150 aromatic naphtha and the mixing of 0.4kg silicone emulsion, are stirred under 75 DEG C, the stirring rate of 1100r/min
1h。
(3) added into mixture obtained by step (2) 4kg tricresyl phosphate, 2kg urea, 8kg melamine and
0.3kg acetone-ethylenediamine condensation product stirs 30min with the stirring rate of 550r/min, is uniformly mixed it, is cooled to room
Temperature is to get the fire-retardant single-component polyurethane water-proof paint of the present invention.Its surface drying time 5h, does solid work time 22h, adhesion strength
5.0Mpa, elongation at break 650%, tearing strength 30N/mm.
Embodiment 11
(1) 8kg hexylene glycol, ten alkyl dicarboxylic aid of 6kg are uniformly mixed and are warming up to 110 DEG C, positive the four of 0.03kg are added
Titanium butoxide is warming up to 170 DEG C with the heating rate of 2 DEG C/min, adds positive four fourth of 0.01kg after reaction 1h again at this temperature
Oxygroup titanium is warming up to 200 DEG C with the heating rate of 1 DEG C/min, obtains the crystallinity that average molecular weight is 2500 after reacting 0.5h
Polyester polyol, DSC test show apparent crystalline melting peak.
(2) 15kg polyurethane resin, 3kg '-diphenylmethane diisocyanate, 15kg PPG400,8kg crystalline polyester is more
First alcohol, 0.1kg dibutyl tin dilaurate, 16kg citrate, the precipitated calcium carbonate of 300 mesh of 7kg, 6kg900 mesh heavy
Calcium carbonate, 2kg S-150 aromatic naphtha and 0.3kg parts of polyoxyethylene oxygen propyl alcohol amidogen ether mixing, in 70 DEG C, the stirring of 1100r/min
1h is stirred under rate.
(3) added into mixture obtained by step (2) 4kg tricresyl phosphate, 2kg urea, 8kg melamine and
0.35kg acetone-ethylenediamine condensation product stirs 30min with the stirring rate of 550r/min, is uniformly mixed it, is cooled to room
Temperature is to get the fire-retardant single-component polyurethane water-proof paint of the present invention.Its surface drying time 4.5h, does solid work time 20h, adhesion strength
5.0Mpa, elongation at break 700%, tearing strength 30N/mm.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of fire-retardant single-component polyurethane water-proof paint, which is characterized in that be made of following parts by weight of component: polyurethane resin
10~20 parts, 1~5 part of '-diphenylmethane diisocyanate, 10~20 parts of polyether polyol, 5~10 parts of crystalline polyester polyols,
0.08~0.15 part of catalyst, 10~25 parts of citrate, 10~20 parts of filler, 1~3 part of diluent, defoaming agent 0.1~0.5
Part, 3~5 parts of tricresyl phosphate, 1~4 part of urea, 5~10 parts of melamine and 0.2~0.5 part of latent curing agent.
2. water-repellent paint according to claim 1, which is characterized in that the polyether polyol be selected from PPG400,
One of PPG600, PPG1000, PPG2000, PTMG650, PTMG1000, PTMG1400, PTMG1800, PTMG2000 or
It is a variety of.
3. water-repellent paint according to claim 1, which is characterized in that the crystalline polyester polyols are by hexylene glycol and divide
The dicarboxylic acids that minor is HOOC-R-COOH synthesizes, and wherein R indicates that carbon atom number is 6~12 alkyl.
4. water-repellent paint according to claim 1, which is characterized in that the '-diphenylmethane diisocyanate is 4,4 '-two
Methylenebis phenyl isocyanate.
5. water-repellent paint according to claim 1, which is characterized in that the catalyst be selected from dibutyl tin dilaurate or
Stannous octoate；It is further selected from dibutyl tin dilaurate.
6. water-repellent paint according to claim 1, which is characterized in that the defoaming agent is selected from silicone emulsion, poly dimethyl
Any one in siloxanes, polyoxyethylene oxygen propyl alcohol amidogen ether.
7. water-repellent paint according to claim 1, which is characterized in that the filler is precipitated calcium carbonate and heavy carbonic acid
Calcium, the precipitated calcium carbonate parts by weight are 5~10 parts, and the powdered whiting parts by weight are 5~10 parts；Wherein, the light calcium
Partial size be 300~500 mesh, the partial size of the coarse whiting is 700~900 mesh.
8. water-repellent paint according to claim 1, which is characterized in that the diluent is S-150 aromatic naphtha.
9. water-repellent paint according to claim 1, which is characterized in that the latent curing agent is acetone-ethylenediamine condensation product.
10. a kind of preparation method of the water-repellent paint as described in claim 1~9, characterized in that it comprises the following steps:
(1) by polyurethane resin, '-diphenylmethane diisocyanate, polyether polyol, crystalline polyester polyols, catalyst, lemon
Lemon acid esters, filler, diluent and defoaming agent are mixed at 60~80 DEG C；
(2) tricresyl phosphate, urea, melamine and latent curing agent are added into mixture obtained by step (1), mixing is equal
It is even to obtain the final product.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112940600A (en) * | 2021-03-08 | 2021-06-11 | 重庆汉宝水性漆有限公司 | Environment-friendly water-based paint coating and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807812A (en) * | 2012-09-07 | 2012-12-05 | 上海应用技术学院 | Latent curing single-component polyurethane water-proof coating and preparation method thereof |
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2018
- 2018-09-11 CN CN201811060611.XA patent/CN109266193A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807812A (en) * | 2012-09-07 | 2012-12-05 | 上海应用技术学院 | Latent curing single-component polyurethane water-proof coating and preparation method thereof |
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| Title |
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| 马一平等: "《建筑功能材料》", 31 March 2014, 同济大学出版社 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112940600A (en) * | 2021-03-08 | 2021-06-11 | 重庆汉宝水性漆有限公司 | Environment-friendly water-based paint coating and preparation method thereof |
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