CN107011787A - A kind of no-solvent polyurethane with the long operating time and preparation method thereof - Google Patents
A kind of no-solvent polyurethane with the long operating time and preparation method thereof Download PDFInfo
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- CN107011787A CN107011787A CN201611162446.XA CN201611162446A CN107011787A CN 107011787 A CN107011787 A CN 107011787A CN 201611162446 A CN201611162446 A CN 201611162446A CN 107011787 A CN107011787 A CN 107011787A
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- component
- operating time
- solvent polyurethane
- defoamer
- long operating
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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
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
- C08G18/4288—Polycondensates having carboxylic or carbonic ester groups in the main chain modified by higher fatty oils or their acids or by resin acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
- C08G18/48—Polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a kind of no-solvent polyurethane with the long operating time and preparation method thereof, including component A and B component, it is modified poly MDI that component A, which includes polyester resin, special polyether resin, water absorbing agent, filler, defoamer one, defoamer two, levelling agent, mill base, reactive diluent, the B component,.Polyester resin is the copolymer of castor oil, phthalic anhydride and Glycerin.Special polyether resin is：Based on the alkylene oxides block copolymer that trimethylolpropane TMP is initiator, the alkylene oxides include expoxy propane, oxirane and their mixture.The modified no-solvent polyurethane of the present invention can be obviously prolonged the gel operating time of no-solvent polyurethane floor material, closer to the epoxy gellation time, difficulty of construction greatly reduces, the risk of terrace project is reduced.
Description
Technical field
The present invention relates to coating correlative technology field, specifically a kind of solvent-free poly- ammonia with the long operating time
Ester and preparation method thereof.
Background technology
Coating has good antiseptic effect as protective layer, because it has construction simple, strong adaptability, it is easy to tie up
Shield and the advantage such as good in economic efficiency, are widely used in pipeline corrosion protection field.Wherein unmaned platform is used as one kind
The high-performance coating of environmental protection causes people in pipeline protection and more and more paid close attention to.
Unmaned platform is mainly by binary or polynary isocyanates with binary or polyalcohol by progressively
Polyaddition reaction and form carbamate resins, in no-solvent polyurethane macromolecular, except containing substantial amounts of poly- amino
Ester bond, ehter bond, urea bond, biuret linkage, the allophanic acid ester bond isopolarity key also contained outside formic acid ester bond, it is easy in molecule
Interchain formation hydrogen bond, assigns many excellent characteristics of no-solvent polyurethane.But existing unmaned platform exists at present
Many problems are still suffered from when using, such as gel time is too short, far below the epoxy gellation time, therefore the available operating time
Also it is very short, difficulty of construction is considerably increased, the risk of terrace project is also increased.
The content of the invention
The invention aims to make up the deficiencies in the prior art there is provided one kind to extend gel time, with length
No-solvent polyurethane of operating time and preparation method thereof.
In order to reach the purpose of the present invention, technical scheme is as follows：
A kind of no-solvent polyurethane with the long operating time, it is characterised in that including component A and B component, by weight
Percentages, component A includes：
The B component is modified poly MDI；
Wherein the ratio of component A and B component is 100：80~100：90.
Preferably, the polyester resin is the copolymer of castor oil, phthalic anhydride and Glycerin.
Preferably, the special polyether resin is：Inlayed based on trimethylolpropane TMP for the alkylene oxides of initiator
Copolymer, the alkylene oxides include expoxy propane, oxirane and their mixture.
Preferably, the molecular weight of the different polyether resin is 200~410, and hydroxyl value is 210~410, metal ion content
Small 5PPM, it is aqueous to be less than one thousandth.
Preferably, the water absorbing agent is molecular sieve, and pH-value is neutrality, and aperture is 4A types, and formula is：
MO.Al2O3.xSiO2.yH2O, wherein M represent K, Ca, as potassium calcium salt.
Preferably, the filler is any one in silica flour, kaolin, barium sulfate or several.
Preferably, the defoamer one is the dispersion liquid of organic-silicon-modified silica；The defoamer two is acrylic acid
Esters defoamer；The levelling agent agent is acrylate levelling agent；The mill base be based on polyester resin, polyurethane dispersant,
Toner, the uniform and stable color obtained after the scattered grinding of high speed；The reactive diluent is bicyclo oxazolidine, propylene
Carbonic ester, ethylene acetate reactant.
Preferably, the modified poly MDI is by modification, with relatively low reactivity, and viscosity is 50~
300mpa.s, NCO content is 31.0%.
A kind of preparation method of the no-solvent polyurethane with the long operating time, it is characterised in that including step：
1.1) molecular sieve dispersion, is prepared：
According to the whole bag amount of 4A molecular sieves, put into special polyether resin, sealing is scattered at a high speed, tests its fineness and is less than
After 20 microns, sealing preserve is stand-by；
1.2) component A, is prepared：
(1) by polyester resin, special polyether resin, water absorbing agent, filler, defoamer one, defoamer two, levelling agent and
Molecular sieve dispersion puts into production in axe, and high-speed stirred is uniform；
(2) mill bases different according to color input is formulated, and reach correlated quality requirement；
(3) described reactive diluent is put into
(4) packed after QC passed examination；
1.3) B component is prepared：
Qualified drum raw material direct packaging will be examined.
The component A and B component are mixed and stirred for uniformly, no-solvent polyurethane is made after solidification.
The device have the advantages that：
Choose the relatively low polyether resin of activity, from suitable deicer (molecular sieve/zeolite powder), from suitable low
The curing agent of activity, from delaying the delayer of solidification, therefore be obviously prolonged no-solvent polyurethane floor material
The gel operating time, closer to the epoxy gellation time, difficulty of construction greatly reduces, the risk of terrace project is reduced.
Embodiment
With reference to embodiment, the invention will be further described, but protection scope of the present invention is not limited solely to reality
Apply example.
Embodiment 1
A kind of no-solvent polyurethane with the long operating time, including component A and B component, by weight percentage, A groups
Dividing includes：
The B component is modified poly MDI.
The ratio of component A and B component is 100:80.
Modified poly MDI is by modification, with relatively low reactivity, and viscosity is 50~70mpa.s, and NCO contents are
31.0%, specifically for the graceful Suprasec3251 of Hensel.
Defoamer one is the HX2085 of moral modest 6800, the high defoamer N of enlightening, and China, and defoamer one is in the present embodiment
Moral modest 6800.Defoamer two is the AC300 of common prosperity society, Tag 490,410 etc., and defoamer two is common prosperity society in the present embodiment
AC300.Levelling agent agent is acrylate levelling agent, such as BYK35N, Tag 310,298 etc., and levelling agent agent is in the present embodiment
BYK35N.Filler is silica flour, and water absorbing agent is molecular sieve, and pH-value is neutrality, and aperture is 4A types, and formula is：
MO.Al2O3.xSiO2.yH2O, wherein M represent K, Ca, as potassium calcium salt.
Special polyether resin molecular weight is 200, and hydroxyl value is 220, metal ion content small 5PPM, it is aqueous be less than thousand/
One.
Embodiment 2
A kind of no-solvent polyurethane with the long operating time, including component A and B component, by weight percentage, A groups
Dividing includes：
The B component is modified poly MDI.
The ratio of component A and B component is 100:89.
Modified poly MDI is by modification, with relatively low reactivity, and viscosity is 250~300mpa.s, and NCO content is
31.0%, specifically for the graceful Suprasec3251 of Hensel.
Defoamer one is the HX2085 of moral modest 6800, the high defoamer N of enlightening, and China, and defoamer one is in the present embodiment
The HX2085 of China.Defoamer two is the AC300 of common prosperity society, Tag 490,410 etc., and defoamer two is Tag in the present embodiment
490.Levelling agent agent is acrylate levelling agent, such as BYK35N, Tag 310,298 etc., and levelling agent agent is Tag in the present embodiment
310.Filler is barium sulfate, and water absorbing agent is molecular sieve, and pH-value is neutrality, and aperture is 4A types, and formula is：
MO.Al2O3.xSiO2.yH2O, wherein M represent K, Ca, as potassium calcium salt.
Special polyether resin molecular weight is 400, and hydroxyl value is 400, metal ion content small 5PPM, it is aqueous be less than thousand/
One.
Embodiment 3
A kind of no-solvent polyurethane with the long operating time, including component A and B component, by weight percentage, A groups
Dividing includes：
The B component is modified poly MDI.
The ratio of component A and B component is 100:87.
Modified poly MDI is by modification, with relatively low reactivity, and viscosity is 100~200mpa.s, and NCO content is
31.0%, specifically for the graceful Suprasec3251 of Hensel.
Defoamer one is the HX2085 of moral modest 6800, the high defoamer N of enlightening, and China, and defoamer one is in the present embodiment
The HX2085 of China.Defoamer two is the AC300 of common prosperity society, Tag 490,410 etc., and defoamer two is Tag in the present embodiment
490.Levelling agent agent is acrylate levelling agent, such as BYK35N, Tag 310,298 etc., and levelling agent agent is Tag in the present embodiment
310.Filler is silica flour, kaolin, the mixture of barium sulfate, and water absorbing agent is molecular sieve, and pH-value is neutrality, and aperture is 4A
Type, formula is：MO.Al2O3.xSiO2.yH2O, wherein M represent K, Ca, as potassium calcium salt.
Special polyether resin molecular weight is 300, and hydroxyl value is 300, metal ion content small 5PPM, it is aqueous be less than thousand/
One.
Embodiment 4
A kind of no-solvent polyurethane with the long operating time, including component A and B component, by weight percentage, A groups
Dividing includes：
The B component is modified poly MDI.
The ratio of component A and B component is 100:85.
Modified poly MDI is by modification, with relatively low reactivity, and viscosity is 150~250mpa.s, and NCO content is
31.0%, specifically for the graceful Suprasec3251 of Hensel.
Defoamer one is the HX2085 of moral modest 6800, the high defoamer N of enlightening, and China, and defoamer one is in the present embodiment
The HX2085 of China.Defoamer two is the AC300 of common prosperity society, Tag 490,410 etc., and defoamer two is Tag in the present embodiment
490.Levelling agent agent is acrylate levelling agent, such as BYK35N, Tag 310,298 etc., and levelling agent agent is Tag in the present embodiment
310.Filler is silica flour, kaolin, the mixture of barium sulfate, and water absorbing agent is molecular sieve, and pH-value is neutrality, and aperture is 4A
Type, formula is：MO.Al2O3.xSiO2.yH2O, wherein M represent K, Ca, as potassium calcium salt.
Special polyether resin molecular weight is 300, and hydroxyl value is 300, metal ion content small 5PPM, it is aqueous be less than thousand/
One.
No-solvent polyurethane will be improved made from above example of the present invention to be tested with conventional no-solvent polyurethane
Contrast, tests gel time at 30 DEG C, 25 DEG C and 15 DEG C respectively, and the average value measured is as shown in red, and comparing result is as follows
Shown in table 1：
The gel time contrast test of table 1
From the data measured of table 1, improvement no-solvent polyurethane produced by the present invention, compared to conventional solvent-free poly- ammonia
Ester, substantially prolongs the gel operating time, closer to the epoxy gellation time, greatly reduces difficulty of construction, reduces terrace work
The risk of journey.
Finally it should be noted that：Above example only not limits skill described in the invention to illustrate the present invention
Art scheme, therefore, although this specification with reference to each above-mentioned embodiment to present invention has been detailed description,
It will be understood by those within the art that, still the present invention can be modified or equivalent substitution, and all are not departed from
The technical scheme of the spirit and scope of the present invention and its improvement, it all should cover in scope of the presently claimed invention.
Claims (9)
1. a kind of no-solvent polyurethane with the long operating time, it is characterised in that including component A and B component, by weight percentage
Than meter, component A includes：
The B component is modified poly MDI；
Wherein the ratio of component A and B component is 100：80~100：90.
2. the no-solvent polyurethane according to claim 1 with the long operating time, it is characterised in that the polyester resin
For the copolymer of castor oil, phthalic anhydride and Glycerin.
3. the no-solvent polyurethane according to claim 1 with the long operating time, it is characterised in that the special polyethers
Resin is：Based on the alkylene oxides block copolymer that trimethylolpropane TMP is initiator, the alkylene oxides include epoxy third
Alkane, oxirane and their mixture.
4. the no-solvent polyurethane according to claim 3 with the long operating time, it is characterised in that the different polyethers tree
The molecular weight of fat is 200~410, and hydroxyl value is 210~410, metal ion content small 5PPM, aqueous to be less than one thousandth.
5. the no-solvent polyurethane according to claim 1 with the long operating time, it is characterised in that the water absorbing agent is
Molecular sieve, pH-value is neutrality, and aperture is 4A types, and formula is：MO.Al2O3.xSiO2.yH2O, wherein M represent K, Ca.
6. the no-solvent polyurethane according to claim 1 with the long operating time, it is characterised in that the filler is stone
In Ying Fen, kaolin, barium sulfate any one or it is several.
7. the no-solvent polyurethane according to claim 1 with the long operating time, it is characterised in that the defoamer one
For the dispersion liquid of organic-silicon-modified silica；The defoamer two is esters of acrylic acid defoamer；The levelling agent agent is third
Olefin(e) acid ester levelling agent；The mill base is, based on polyester resin, polyurethane dispersant, toner, to be obtained after the scattered grinding of high speed
Uniform and stable color；The reactive diluent is bicyclo oxazolidine, propylene carbonate, the reaction of ethylene acetate
Thing.
8. the no-solvent polyurethane according to claim 1 with the long operating time, it is characterised in that the modified poly
MDI is 50~300mpa.s by modification, viscosity, and NCO content is 31.0%.
9. a kind of preparation method of the no-solvent polyurethane with the long operating time, it is characterised in that including step：
1.1) molecular sieve dispersion, is prepared：
According to the whole bag amount of 4A molecular sieves, put into special polyether resin, sealing is scattered at a high speed, test its fineness less than 20 microns
Afterwards, sealing preserve is stand-by；
1.2) component A, is prepared：
(1) by polyester resin, special polyether resin, water absorbing agent, filler, defoamer one, defoamer two, levelling agent and molecular sieve
Dispersion puts into production in axe, and high-speed stirred is uniform；
(2) mill bases different according to color input is formulated, and reach correlated quality requirement；
(3) described reactive diluent is put into
(4) packed after QC passed examination；
1.3) B component is prepared：
Qualified drum raw material direct packaging will be examined；
The component A and B component are mixed and stirred for uniformly, no-solvent polyurethane is made after solidification.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162446.XA CN107011787B (en) | 2016-12-15 | 2016-12-15 | Solvent-free polyurethane with long operation time and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611162446.XA CN107011787B (en) | 2016-12-15 | 2016-12-15 | Solvent-free polyurethane with long operation time and preparation method thereof |
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| CN107011787B CN107011787B (en) | 2023-08-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110183607A (en) * | 2019-06-04 | 2019-08-30 | 北京东方雨虹防水技术股份有限公司 | A kind of two-component water reinforcement grouting material and preparation method thereof |
| CN112456938A (en) * | 2020-12-10 | 2021-03-09 | 上海阳森精细化工有限公司 | High-fluidity long-operation-period polyurethane urea cement concrete mortar terrace |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2163401A1 (en) * | 1994-12-12 | 1996-06-13 | Jeffrey A. Dodge | High temperature polyurethane-urea structural adhesives |
| JP2009114247A (en) * | 2007-11-02 | 2009-05-28 | Nippon Polyurethane Ind Co Ltd | Reactive curable polyurethane resin composition, and two-component reactive curable polyurethane adhesive using the same |
| CN102585684A (en) * | 2012-02-24 | 2012-07-18 | 天津德威涂料化工有限公司 | Polyurethane gel coat combination capable of spraying blades of fan conventionally and preparation method of polyurethane gel coat combination |
| CN104277194A (en) * | 2013-07-05 | 2015-01-14 | 拜耳材料科技(中国)有限公司 | Polyurethane resin composition and polyurethane compound prepared from same |
| CN104513604A (en) * | 2014-12-23 | 2015-04-15 | 上海海隆石油化工研究所 | Double-component solvent-free polyurethane coating for preventing corrosion of outer wall of metal pipeline |
| CN104694068A (en) * | 2013-12-04 | 2015-06-10 | 湖北回天新材料股份有限公司 | Halogen-free flame-retardant two-component polyurethane adhesive for railway vehicle and preparation method thereof |
| CN106065216A (en) * | 2016-06-04 | 2016-11-02 | 付学勇 | A kind of boxcar lining corrosion protection coating and coating process thereof |
-
2016
- 2016-12-15 CN CN201611162446.XA patent/CN107011787B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2163401A1 (en) * | 1994-12-12 | 1996-06-13 | Jeffrey A. Dodge | High temperature polyurethane-urea structural adhesives |
| JP2009114247A (en) * | 2007-11-02 | 2009-05-28 | Nippon Polyurethane Ind Co Ltd | Reactive curable polyurethane resin composition, and two-component reactive curable polyurethane adhesive using the same |
| CN102585684A (en) * | 2012-02-24 | 2012-07-18 | 天津德威涂料化工有限公司 | Polyurethane gel coat combination capable of spraying blades of fan conventionally and preparation method of polyurethane gel coat combination |
| CN104277194A (en) * | 2013-07-05 | 2015-01-14 | 拜耳材料科技(中国)有限公司 | Polyurethane resin composition and polyurethane compound prepared from same |
| CN104694068A (en) * | 2013-12-04 | 2015-06-10 | 湖北回天新材料股份有限公司 | Halogen-free flame-retardant two-component polyurethane adhesive for railway vehicle and preparation method thereof |
| CN104513604A (en) * | 2014-12-23 | 2015-04-15 | 上海海隆石油化工研究所 | Double-component solvent-free polyurethane coating for preventing corrosion of outer wall of metal pipeline |
| CN106065216A (en) * | 2016-06-04 | 2016-11-02 | 付学勇 | A kind of boxcar lining corrosion protection coating and coating process thereof |
Non-Patent Citations (1)
| Title |
|---|
| 董彬;李会;崔超;王欢;李建忠;宋海潮;: "一种无溶剂聚氨酯补口涂料" * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110183607A (en) * | 2019-06-04 | 2019-08-30 | 北京东方雨虹防水技术股份有限公司 | A kind of two-component water reinforcement grouting material and preparation method thereof |
| CN110183607B (en) * | 2019-06-04 | 2022-01-14 | 北京东方雨虹防水技术股份有限公司 | Double-component water plugging reinforcing grouting material and preparation method thereof |
| CN112456938A (en) * | 2020-12-10 | 2021-03-09 | 上海阳森精细化工有限公司 | High-fluidity long-operation-period polyurethane urea cement concrete mortar terrace |
| CN112456938B (en) * | 2020-12-10 | 2022-08-26 | 上海阳森精细化工有限公司 | High-fluidity long-operation-period polyurethane urea cement concrete mortar terrace |
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| Publication number | Publication date |
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| CN107011787B (en) | 2023-08-04 |
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