CN106047128B - A kind of monocomponent polyurethane polyurea waterproof coating material and preparation method thereof - Google Patents
A kind of monocomponent polyurethane polyurea waterproof coating material and preparation method thereof Download PDFInfo
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- CN106047128B CN106047128B CN201610042223.3A CN201610042223A CN106047128B CN 106047128 B CN106047128 B CN 106047128B CN 201610042223 A CN201610042223 A CN 201610042223A CN 106047128 B CN106047128 B CN 106047128B
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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
- C09D175/06—Polyurethanes from polyesters
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- 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
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- 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
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
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- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
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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 present invention relates to a kind of monocomponent polyurethane polyurea waterproof coating material and preparation method thereof, the component including following quality: 3,050 10 ~ 30 parts of polyethers；210 15 ~ 35 parts of polyester；20 ~ 40 parts of IPDI；1 ~ 30 part of softening agent；0.1 ~ 1 part of amine hardener of closing；0.1 ~ 1 part of catalyst；0.1 ~ 0.9 part of gas absorbent；1 ~ 10 part of precipitated calcium carbonate；0.3 ~ 1.1 part of nanometer calcium carbonate.Coating obtained through the invention can form the seamless waterproof membrane of one of flexible robust in substrate surface with curable film-forming after the moisture in air, solve the easily raw pin hole of bi-component similar product, weakness loosely Nian Jie with cement basic layer is suitble to promote.
Description
Technical field
The present invention relates to a kind of coating and preparation method thereof, more specifically, it is anti-to be related to a kind of monocomponent polyurethane polyureas
Water paint and preparation method thereof.
Background technique
With the quickening of urban construction paces, underground space utilization rate is consequently increased, while being made at many hypogees
In vibration interference environment, such as Large Underground Emporium, parking lot, subway, tunnel, therefore, lead to general waterproof coating just very
The case where being easy to happen film fracture and removing, to lose waterproof effect.Facts proved that big for being chronically at severe cold area
Type underground engineering has harsh performance requirement because of the reasons such as malformation, sedimentation, water-repellent paint used.Because of underground engineering
It is buried reinforced concrete constructional work, bears the pressure of underground water for a long time and be subjected to corrosivity in soil and underground water
The erosion of medium and mould etc., thus waterproof material used in underground engineering be subjected to than roofing it is different, much severe
Surrounding enviroment influence.
And in numerous water-repellent paints, two-component polyureas is since it is with high-performance, and tensile strength is big, fracture elongation
The advantages that height, acid and alkali-resistance, salt tolerant and enhanced water resistance energy, becomes the preferred coating of hypogee surfacecti proteon.But it is constructing
Aspect complex process needs concrete ball blast, puttying, base treatment, then spray polyurea, workability and temperature, wet
Degree has much relations, handles starting eye of not taking pains, plays drum, is detached from, and 10 DEG C or less should not construct, and cost price is commonly anti-
Twice of water or more, therefore be difficult to be widely applied.
In recent years, U.S. Xi Ta Dare company, Si Baige company of the U.S., the U.S. is suitable to form company and Ke Sen Ju company in pole
Push wide one-component polyurea materials.Monocomponent polyurethane polyurea waterproof coating material is polyurethane waterproof material upgrade version, poly- with special type
Ether, IPDI are main component, and addition import auxiliary agent forms environment-friendly type liquid state elastic water proofing paint.Moisture in it and air
Film-forming afterwards forms the seamless waterproof membrane of one of flexible robust in substrate surface.It is easily raw to solve bi-component similar product
Pin hole, weakness loosely Nian Jie with cement basic layer, foring has the characteristics that original creation.
At present, one-component carbamide paint all has good weatherability and more reasonable ess-strain from table to inner
Characteristic, more wide in range Hookean region, and Hookean region is narrow in the stress-strain diagram of two-component polyureas, plastic region mistake
Greatly, curing time is too fast.Therefore, one-component polyureas film has more preferable and wider array of adaptability.
But the tensile strength of one-component carbamide paint is in 2MPa or so on domestic market, tearing strength is on the left side 15N/mm
The right side, therefore cannot be used for the waterproof of severe cold area high water level underground engineering or vibration environment and its annex.With country
The expansion of the infrastructures such as underground engineering, tunnel, subway, the market demand is multi-functional, high performance polyurethane water-proof paint.
But the exploitation of high-intensitive one-component carbamide paint and development difficulty are larger, and the country is also in conceptual phase at present.Therefore, how
A kind of one-component carbamide paint for being able to satisfy the market demand is obtained obviously to be subject to the people's attention and favor.
Summary of the invention
The object of the present invention is to provide a kind of monocomponent polyurethane polyurea waterproof coating materials, by being with special polyether, IPDI
Main component, then import auxiliary agent is added to form environment-friendly type liquid state elastic water proofing paint.Coating obtained through the invention, with sky
Curable film-forming after moisture in gas forms the seamless waterproof membrane of one of flexible robust in substrate surface.It solves double
The easily raw pin hole of component similar product, weakness loosely Nian Jie with cement basic layer.
It is a further object to provide a kind of preparation methods of monocomponent polyurethane polyurea waterproof coating material.
To achieve the purpose of the present invention, the technical scheme is that
A kind of monocomponent polyurethane polyurea waterproof coating material, the component including following quality:
3,050 10 ~ 30 parts of polyethers；
210 15 ~ 35 parts of polyester；
20 ~ 40 parts of IPDI；
1 ~ 30 part of softening agent；
0.1 ~ 1 part of amine hardener of closing；
0.1 ~ 1 part of catalyst；
0.1 ~ 0.9 part of gas absorbent；
1 ~ 10 part of precipitated calcium carbonate；
0.3 ~ 1.1 part of nanometer calcium carbonate.
In the preferred embodiment of the present invention, the monocomponent polyurethane polyurea waterproof coating material, including following quality
Component:
3,050 20 parts of polyethers；
210 25 parts of polyester；
30 parts of IPDI；
10 parts of softening agent；
0.5 part of amine hardener of closing；
0.5 part of catalyst；
0.3 part of gas absorbent；
6 parts of precipitated calcium carbonate；
0.7 part of nanometer calcium carbonate.
In the preferred embodiment of the present invention, the softening agent is diethyl phthalate, phthalic acid two
One kind or its any two or more combination of butyl ester, dioctyl phthalate.
In the preferred embodiment of the present invention, the closing amine hardener is oxazolidine substance.
In the preferred embodiment of the present invention, the oxazolidine substance position 3- butyl -2- (1- ethylpentyl) is disliked
Oxazolidine, 3- ethoxy -1,3- oxazolidine, 2- isopropyl -3- ethoxy -1,3- oxazolidine, 2- phenyl -3- ethoxy -1,3- are disliked
One kind of oxazolidine or its any two or more combination.
In the preferred embodiment of the present invention, the catalyst is organic metal class or metallo-chelate.
In the preferred embodiment of the present invention, the organic metal class or metallo-chelate include two fourth of tin dilaurate
Ji Xi, stannous octoate, isooctyl acid lead, phenylmercuric acetate, ferric acetyl acetonade, cobalt, vanadic salts and cobalt naphthenate, lead, one in zinc salt
Kind or a variety of mixtures.
In the preferred embodiment of the present invention, the gas absorbent be one of calcium oxide, calcium hydroxide or
The mixture of their arbitrary proportions.
The preparation method of monocomponent polyurethane polyurea waterproof coating material of the invention, comprising the following steps:
(1), at room temperature (23-30 degrees Celsius), IPDI, polyethers 3050, polyester 210 are successively pumped into reaction kettle,
After stirring is warming up to 80 DEG C, reacts 3 hours, it is stand-by to obtain homogeneous solution A;
(2), homogeneous solution A obtained by step (1) is pumped into synthesis reactor, stirring after ten minutes, is pumped into softening agent stirring 5
Minute, it sequentially adds gas absorbent, closing amine hardener, catalyst and stirs 10 minutes, obtain homogeneous solution B;
(3), by the obtained homogeneous solution B of step (2), precipitated calcium carbonate, nanometer calcium carbonate is added, during which synthesis reactor
Pressure be maintained at -0.095MPa, at room temperature (23-30 degrees Celsius), be stirred under vacuum 3 hours after discharge, obtain list
Component polyurethane polyurea waterproof coating material.
The nanometer calcium carbonate is super fine calcium carbonate, and granularity is 0.01-0.1 microns.
The precipitated calcium carbonate is winnofil, and settling volume is (2.4-2.8mL/g), than mechanically producing
Powdered whiting settling volume (1.1-1.9mL/g) it is big.
The organic metal class is also known as organic conductor, is a kind of conductive organic charge-transfer complex, this
Class compound is made of electron donor and electron acceptor, and typical example has TTF-TCNQ, TTF-TNAF compound.
The metallo-chelate is the complex with cyclic structure, is by two or more ligands and same gold
Belong to ion to form the chelation of chelate ring and obtain.
Beneficial effects of the present invention:
Compared with prior art, monocomponent polyurethane polyurea waterproof coating material prepared by the present invention has a characteristic that
(1) by the addition of closing amine hardener, effective solution monocomponent polyurethane polyurea waterproof coating material solidifies gas
Bubble problem can guarantee the stability of monocomponent polyurethane polyurea waterproof coating material；
(2) addition for passing through polyethers 3050, introduces rigid radical (such as phenyl ring), is greatly improved tensile strength, and protect
Excellent elongation percentage is demonstrate,proved；
(3) research for passing through liquid filler (substance that BOP, thickener, paraffin etc. are not involved in reaction), significantly reduces
While the smell of monocomponent polyurethane polyurea waterproof coating material, solid content is effectively promoted, so that this product is more environmentally-friendly, -20
It DEG C can construct, and adapt to mechanically spraying.
Also, monocomponent polyurethane polyurea waterproof coating material obtained overcomes two-component polyureas curing rate through the invention
It is too fast, easily with base be detached from the shortcomings that, and lap-joint do not have to processing.Without scene proportion when construction, uncaps and use, single machine
3 people are with unification sprayable 3000 ㎡ in day.Therefore, monocomponent polyurethane polyureas spraying process obtained is greatly applied through the invention
Work efficiency rate.It also has high-performance, and tensile strength is much higher than other domestic water-repellent paints, and keeps high-elongation, and low temperature is curved
Roll over reachable -40 DEG C, and under conditions of -20 DEG C, can curing of coating, meet winter waterproof construction requirement.Its is resistant to salt corrosion
Property it is also very good, spray polyurea coating is such as used as anticorrosive coating, in addition to tolerable diluted acid and diluted alkaline corrode, also to salt water or
The corrosion of salt fog has tolerance outstanding, this makes it particularly suitable for coastal area, i.e. waterproof and anti-corrosion.And not due to it
Containing solvent.Organic solvent is free of in the poly- urine formula of spraying, therefore is conducive to construction environment protection.
Monocomponent polyurethane polyurea waterproof coating material obtained through the invention, has a clear superiority, and commercially available polyurethane is anti-
Water paint is mainly used for toilet warterproof.And products of the present invention can be not only used for the roofing work of common furniture construction
Journey, underground engineering, and meet vehicle contact frequently and vibrate in violent environment, such as subway, tunnel, bridge, highway
And its annex, this has greatly expanded the purposes of polyurethanes water-repellent paint, while price and conventional polyurethanes waterproof apply
Material is not much different.The performance indicator of monocomponent polyurethane polyurea waterproof coating material obtained is as shown in the table through the invention:
National standard the physical property comparison such as following table of monocomponent polyurethane polyurea waterproof coating material obtained through the invention
It is shown:
Specific embodiment
The present invention is further illustrated below with reference to embodiment
Embodiment 1
A kind of monocomponent polyurethane polyurea waterproof coating material, the component including following quality:
3,050 10 parts of polyethers；
210 35 parts of polyester；
20 parts of IPDI；
30 parts of softening agent；
0.1 part of amine hardener of closing；
1 part of catalyst；
0.1 part of gas absorbent；
10 parts of precipitated calcium carbonate；
0.3 part of nanometer calcium carbonate.
Wherein, the softening agent is diethyl phthalate, and the closing amine hardener is 3- butyl -2- (1-
Ethylpentyl) oxazolidine, the catalyst is dibutyl tin dilaurate, and the gas absorbent is calcium oxide.
The preparation method of monocomponent polyurethane polyurea waterproof coating material of the invention, comprising the following steps:
(1), at room temperature, IPDI, polyethers 3050, polyester 210 are successively pumped into reaction kettle, stirring is warming up to 80 DEG C
Afterwards, it reacts 3 hours, it is stand-by to obtain homogeneous solution A;
(2), homogeneous solution A obtained by step (1) is pumped into synthesis reactor, stirring after ten minutes, is pumped into softening agent stirring 5
Minute, it sequentially adds gas absorbent, closing amine hardener, catalyst and stirs 10 minutes, obtain homogeneous solution B;
(3), by the obtained homogeneous solution B of step (2), precipitated calcium carbonate, nanometer calcium carbonate is added, during which synthesis reactor
Pressure be maintained at -0.095MPa, at room temperature, be stirred under vacuum 3 hours after discharge, obtain monocomponent polyurethane polyureas
Water-repellent paint.
Embodiment 2
A kind of monocomponent polyurethane polyurea waterproof coating material, the component including following quality:
3,050 15 parts of polyethers；
210 20 parts of polyester；
25 parts of IPDI；
30 parts of softening agent；
0.3 part of amine hardener of closing；
0.7 part of catalyst；
0.2 part of gas absorbent；
7 parts of precipitated calcium carbonate；
0.5 part of nanometer calcium carbonate.
Wherein, the softening agent is dibutyl phthalate, and the closing amine hardener 3- ethoxy -1,3- is disliked
Oxazolidine, the catalyst isooctyl acid lead, the gas absorbent are calcium hydroxide.
The preparation method of monocomponent polyurethane polyurea waterproof coating material of the invention, comprising the following steps:
(1), at room temperature, IPDI, polyethers 3050, polyester 210 are successively pumped into reaction kettle, stirring is warming up to 80 DEG C
Afterwards, it reacts 3 hours, it is stand-by to obtain homogeneous solution A;
(2), homogeneous solution A obtained by step (1) is pumped into synthesis reactor, stirring after ten minutes, is pumped into softening agent stirring 5
Minute, it sequentially adds gas absorbent, closing amine hardener, catalyst and stirs 10 minutes, obtain homogeneous solution B;
(3), by the obtained homogeneous solution B of step (2), precipitated calcium carbonate, nanometer calcium carbonate is added, during which synthesis reactor
Pressure be maintained at -0.095MPa, at room temperature, be stirred under vacuum 3 hours after discharge, obtain monocomponent polyurethane polyureas
Water-repellent paint.
Embodiment 3
In the preferred embodiment of the present invention, the monocomponent polyurethane polyurea waterproof coating material, including following quality
Component:
3,050 20 parts of polyethers；
210 25 parts of polyester；
30 parts of IPDI；
10 parts of softening agent；
0.5 part of amine hardener of closing；
0.5 part of catalyst；
0.3 part of gas absorbent；
6 parts of precipitated calcium carbonate；
0.7 part of nanometer calcium carbonate.
Wherein, it according to mass ratio is 1:1 that the softening agent, which is diethyl phthalate and dibutyl phthalate,
Mixture, the closing amine hardener be 2- isopropyl -3- ethoxy -1,3-oxazoles alkane, the catalyst be octanoic acid
Stannous, the gas absorbent are calcium hydroxide.
The preparation method of monocomponent polyurethane polyurea waterproof coating material of the invention, comprising the following steps:
(1), at room temperature, IPDI, polyethers 3050, polyester 210 are successively pumped into reaction kettle, stirring is warming up to 80 DEG C
Afterwards, it reacts 3 hours, it is stand-by to obtain homogeneous solution A;
(2), homogeneous solution A obtained by step (1) is pumped into synthesis reactor, stirring after ten minutes, is pumped into softening agent stirring 5
Minute, it sequentially adds gas absorbent, closing amine hardener, catalyst and stirs 10 minutes, obtain homogeneous solution B;
(3), by the obtained homogeneous solution B of step (2), precipitated calcium carbonate, nanometer calcium carbonate is added, during which synthesis reactor
Pressure be maintained at -0.095MPa, at room temperature, be stirred under vacuum 3 hours after discharge, obtain monocomponent polyurethane polyureas
Water-repellent paint.
Embodiment 4
A kind of monocomponent polyurethane polyurea waterproof coating material, the component including following quality:
3,050 25 parts of polyethers；
210 23 parts of polyester；
27 parts of IPDI；
6 parts of softening agent；
0.7 part of amine hardener of closing；
0.3 part of catalyst；
0.6 part of gas absorbent；
4 parts of precipitated calcium carbonate；
0.5 part of nanometer calcium carbonate.
Wherein, the softening agent is dioctyl phthalate, and the closing amine hardener is 2- isopropyl -3- hydroxyl
Ethyl -1,3-oxazoles alkane, the catalyst are phenylmercuric acetate, and the gas absorbent is calcium oxide.
The preparation method of monocomponent polyurethane polyurea waterproof coating material of the invention, comprising the following steps:
(1), at room temperature, IPDI, polyethers 3050, polyester 210 are successively pumped into reaction kettle, stirring is warming up to 80 DEG C
Afterwards, it reacts 3 hours, it is stand-by to obtain homogeneous solution A;
(2), homogeneous solution A obtained by step (1) is pumped into synthesis reactor, stirring after ten minutes, is pumped into softening agent stirring 5
Minute, it sequentially adds gas absorbent, closing amine hardener, catalyst and stirs 10 minutes, obtain homogeneous solution B;
(3), by the obtained homogeneous solution B of step (2), precipitated calcium carbonate, nanometer calcium carbonate is added, during which synthesis reactor
Pressure be maintained at -0.095MPa, at room temperature, be stirred under vacuum 3 hours after discharge, obtain monocomponent polyurethane polyureas
Water-repellent paint.
Embodiment 5
In the preferred embodiment of the present invention, the monocomponent polyurethane polyurea waterproof coating material, including following quality
Component:
3,050 30 parts of polyethers；
210 15 parts of polyester；
20 parts of IPDI；
1 part of softening agent；
1 part of amine hardener of closing；
0.1 part of catalyst；
0.9 part of gas absorbent；
1 part of precipitated calcium carbonate；
1.1 parts of nanometer calcium carbonate.
Wherein, the softening agent is diethyl phthalate, and the closing amine hardener is 2- phenyl -3- hydroxyl second
Base -1,3-oxazoles alkane, the catalyst are cobalt naphthenate, and the gas absorbent is calcium oxide.
The preparation method of monocomponent polyurethane polyurea waterproof coating material of the invention, comprising the following steps:
(1), at room temperature, IPDI, polyethers 3050, polyester 210 are successively pumped into reaction kettle, stirring is warming up to 80 DEG C
Afterwards, it reacts 3 hours, it is stand-by to obtain homogeneous solution A;
(2), homogeneous solution A obtained by step (1) is pumped into synthesis reactor, stirring after ten minutes, is pumped into softening agent stirring 5
Minute, it sequentially adds gas absorbent, closing amine hardener, catalyst and stirs 10 minutes, obtain homogeneous solution B;
(3), by the obtained homogeneous solution B of step (2), precipitated calcium carbonate, nanometer calcium carbonate is added, during which synthesis reactor
Pressure be maintained at -0.095MPa, at room temperature, be stirred under vacuum 3 hours after discharge, obtain monocomponent polyurethane polyureas
Water-repellent paint.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement is both fallen in the scope of protection of present invention.The scope of protection of present invention by appended claims and
Its equivalent defines.
Claims (2)
1. a kind of monocomponent polyurethane polyurea waterproof coating material, it is characterised in that: the component including following quality: polyethers 305010~
30 parts；21015~35 parts of polyester；20~40 parts of IPDI；1~30 part of softening agent；0.1~1 part of amine hardener of closing；Catalyst
0.1~1 part；0.1~0.9 part of gas absorbent；1~10 part of precipitated calcium carbonate；0.3~1.1 part of nanometer calcium carbonate；Described is soft
Agent be diethyl phthalate, dibutyl phthalate, one kind of dioctyl phthalate or its any two kinds with
Upper combination；The closing amine hardener is oxazolidine substance；The oxazolidine substance is 3- butyl -2- (1- ethyl
Amyl) oxazolidine, 3- ethoxy -1,3- oxazolidine, 2- isopropyl -3- ethoxy -1,3- oxazolidine one kind or its any two
Kind combination of the above；The catalyst is organic metal class or metallo-chelate；The organic metal class and metallo-chelate
It is dibutyl tin dilaurate, stannous octoate, isooctyl acid lead, phenylmercuric acetate, the salt such as ferric acetyl acetonade, cobalt, vanadium and aphthenic acids
One of cobalt, lead, zinc salt etc. or a variety of mixtures；The gas absorbent is one of calcium oxide, calcium hydroxide
Or the mixture of their arbitrary proportions.
2. a kind of preparation method of monocomponent polyurethane polyurea waterproof coating material, it is characterised in that: the following steps are included:
(1), at room temperature, IPDI, polyethers 3050, polyester 210 are successively pumped into reaction kettle, after stirring is warming up to 80 DEG C,
Reaction 3 hours, it is stand-by to obtain homogeneous solution A；
(2), homogeneous solution A obtained by step (1) is pumped into synthesis reactor, stirring after ten minutes, is pumped into softening agent and stirs 5 points
Clock sequentially adds gas absorbent, closing amine hardener, catalyst and stirs 10 minutes, obtains homogeneous solution B；
(3), by the obtained homogeneous solution B of step (2), precipitated calcium carbonate, nanometer calcium carbonate is added, during which the pressure of synthesis reactor
Power is maintained at -0.095MPa, at room temperature, discharges after being stirred under vacuum 3 hours, obtains monocomponent polyurethane polyurea water-proof
Coating.
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| CN109554102B (en) * | 2018-12-03 | 2021-04-30 | 宁夏银珠蓝箭建材科技有限公司 | Waterproof coating for waterproofing buildings and preparation method thereof |
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| CN101818018A (en) * | 2009-02-26 | 2010-09-01 | 北京东方雨虹防水技术股份有限公司 | Knife coating type polyurea waterproof coating |
| CN102344773A (en) * | 2011-08-01 | 2012-02-08 | 北京立高防水工程有限公司 | Interlayer bonding agent for spraying spray polyurea waterproof coating and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101818018A (en) * | 2009-02-26 | 2010-09-01 | 北京东方雨虹防水技术股份有限公司 | Knife coating type polyurea waterproof coating |
| CN102344773A (en) * | 2011-08-01 | 2012-02-08 | 北京立高防水工程有限公司 | Interlayer bonding agent for spraying spray polyurea waterproof coating and preparation method thereof |
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Address after: 114229 Haihua High-tech Industrial Park, Datun Town, Qianshan District, Liaoning Province Patentee after: Liaoning Jiada billion waterproofing technology Limited Address before: 114229 Liaoning Province Anshan Qianshan District Datun Town Haihua High-tech Industrial Park Yijiada Waterproof Technology Material Co., Ltd. Patentee before: Anshan Jiada Greenway Technology Materials co waterproof billion |