CN106047131A - Self-closing type polyurethane waterproof coating and method for preparing same - Google Patents
Self-closing type polyurethane waterproof coating and method for preparing same Download PDFInfo
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- CN106047131A CN106047131A CN201610358706.4A CN201610358706A CN106047131A CN 106047131 A CN106047131 A CN 106047131A CN 201610358706 A CN201610358706 A CN 201610358706A CN 106047131 A CN106047131 A CN 106047131A
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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
- C09D175/08—Polyurethanes from polyethers
-
- 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
- C08G18/4063—Mixtures of compounds of group C08G18/62 with other macromolecular compounds
-
- 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
- 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
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6204—Polymers of olefins
-
- 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
-
- 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
- C09D7/65—Additives macromolecular
-
- 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
Abstract
The invention provides self-closing type polyurethane waterproof coating, and relates to the field of waterproof coating. The self-closing type polyurethane waterproof coating comprises a component A and a component B. The component A comprises, by weight, 7-10 parts of adipic acid, 18-24 parts of HMDI (hexamethylene diisocyanate), 18-20 parts of 2, 6-bi-isocyanato methyl hexanoate, 0.1-0.3 part of tin 2-ethylhexanoate, 40-55 parts of polyether polyol and 0.1-0.3 part of DBTL (dibutyltin dilaurate); the component B comprises, by weight, 10-25 parts of hydroxyl-terminated polybutadiene, 10-20 parts of light calcium carbonate, 15-25 parts of bentonite, 4-6 parts of white carbon black, 15-35 parts of curing agents, 0.1-0.5 part of organic bismuth, 20-30 parts of solvent oil, 1-2 parts of defoaming agents, 15-25 parts of chain extenders and 40-55 parts of chlorinated paraffin. The self-closing type polyurethane waterproof coating has the advantages that the problem of poor weather resistance of existing waterproof coating can be solved, and the self-closing property of the self-closing type polyurethane waterproof coating can be improved. The invention further provides a method for preparing the self-closing type polyurethane waterproof coating.
Description
Technical field
The invention belongs to water-repellent paint field, concretely relate to a kind of self-closing's polyurethane water-proof paint and preparation thereof
Method.
Background technology
Water-repellent paint is brushing or is sprayed in the substrate surface needing to carry out water-proofing treatment, can meet industrial and civilian build
The water leakage requirement at the positions such as roofing, basement, interior wall and the exterior wall built.Along with the development of building trade, all kinds of waterproof
Development and the application of coating are developed rapidly, and quality and performance to building water-proof paint are had higher requirement.Common
Haveing a problem in that and be exposed to the outermost coating of building, under the effect that acid rain or external force damage, outermost layer is damaged, and then interior
The waterproof layer put is destroyed, and makes coating reduce the protective capability of architecture noumenon；And after there are these situations, water-repellent paint by
Self-closing in not realizing, and then cause increasingly severe, until cannot be continuing with.
Summary of the invention
For solving above-mentioned technical problem, the present invention provides a kind of self-closing's polyurethane water-proof paint and preparation method thereof.With
The problem improving existing water-repellent paint weatherability difference；Improve the dereism of polyurethane water-proof paint so that it is damaged by external force simultaneously
After Huai, 16-20h realizes crack and does not seeps water.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of self-closing's polyurethane water-proof paint, is made up of two kinds of components of A, B；Wherein, former by following weight ratio of described component A
Material composition: adipic acid 7-10 part, HMDI 18-24 part, 2,6-bis-isocyanate group methyl caproate 18-20 part, stannous octoate 0.1-
0.3 part, polyether polyol 40-55 part, DBTL 0.1-0.3 part；Described B component is made up of the raw material of following weight ratio: end hydroxyl
Base polybutadiene 10-25 part, precipitated calcium carbonate 10-20 part, bentonite 15-25 part, white carbon 4-6 part, firming agent 15-35 part,
Organo-bismuth 0.1-0.5 part, solvent naphtha 20-30 part, defoamer 1-2 part, chain extender 15-25 part, chlorinated paraffin 40-55 part.
Preferably, in an embodiment of the present invention, the mass ratio of described two kinds of components of A, B is A component: B component=2:1-
3:1
Preferably, in an embodiment of the present invention, described firming agent is triethyl group triamine.
Preferably, in an embodiment of the present invention, described solvent naphtha is isoparaffin solvent oil.
Preferably, in an embodiment of the present invention, during described organo-bismuth is isooctyl acid bismuth, lauric acid bismuth and bismuth neodecanoate
Any one.
Present invention also offers the preparation method of a kind of self-closing's polyurethane water-proof paint, comprise the following steps:
(1) prepared by component A:
Described adipic acid is added, with 0.6-0.8m in reactor one3/ h is passed through nitrogen, is warming up to 65-75 DEG C；In blending tank
Adding described 2,6-diisocyanate base methyl caproate and described HMDI, with rotating speed 75-80 r/min, stirring 9-11min, general
Liquid in described blending tank is slowly dropped in described reactor one；Described DBTL, described is added in described reactor one
Stannous octoate, is warming up to 85-90 DEG C, 70-80 r/min stirring reaction 1.5-2.5h；Close nitrogen, add described polyethers many
Unit's alcohol, under the conditions of 110-120 DEG C ,-0 .05～-0 .06MPa, vacuum dehydration 1-2h；Cool to 55-65 DEG C, obtain A group
Point；
(2) prepared by B component
In reactor two, add described end hydroxy butadiene, be warming up to 90-110 DEG C, add described precipitated calcium carbonate, described
Bentonite, described white carbon, disperse 10-20min, and rotating speed is 350-450r/min；Described reactor two is cooled to 70-80
DEG C, add described firming agent, described organo-bismuth, described solvent naphtha, described defoamer, described chain extender, described chlorinated paraffin, with
100-120r/min stirs 30-50min；At 110-120 DEG C, vacuum dehydration 0.5-1h, vacuum pressure is-0 .05～-0
.06MPa；It is cooled to 55-65 DEG C, obtains B component；
(3) preparation water-repellent paint:
Described component A and described B component are mixed in proportion and can form described self-closing's polyurethane water-proof paint.
Beneficial effects of the present invention: water-repellent paint weatherability provided by the present invention is strong；The addition of chain extender can enter one
Step expands the strand of the B component constituted, to improve cohesive further；Owing to this coating is with polyurethane as material of main part,
Adding a certain proportion of plasticizer, inorganic filler, this coating has feature durable, corrosion resistant, when there being external force stress effect,
Can be deformed immediately, hence in so that it has the non-damageable feature of stress；After coating is destroyed, on long-chain molecule
Hydrogen bond can play crosslinked action, it is achieved oneself's Guan Bi, can effectively solve polyurethane water-proof layer and be destroyed the seepy question caused.
Below in conjunction with specific embodiment, technical scheme of the present invention is further described.
Embodiment 1:
A kind of self-closing's polyurethane water-proof paint, is made up of two kinds of components of A, B；Wherein, component A is by the raw material group of following weight ratio
Become: adipic acid 7 parts, HMDI 18 parts, 2,6-bis-isocyanate group methyl caproate 18 parts, stannous octoate 0.1 part, polyether polyol 40
Part, DBTL 0.1 part；B component is made up of the raw material of following weight ratio: end hydroxy butadiene 10 parts, precipitated calcium carbonate 10 parts,
Bentonite 15 parts, white carbon 4 parts, 15 parts of firming agent, organo-bismuth 0.1 part, solvent naphtha 20 parts, defoamer 1 part, chain extender 15 parts,
Chlorinated paraffin 40 parts.
The mass ratio of two kinds of components of A, B is A component: B component=2:1..
Firming agent is triethyl group triamine.
Solvent naphtha is isoparaffin solvent oil.
Organo-bismuth is isooctyl acid bismuth.
The present embodiment additionally provides the preparation method of a kind of self-closing's polyurethane water-proof paint, comprises the following steps:
(1) prepared by component A:
Adipic acid is added, with 0.6m in reactor one3/ h is passed through nitrogen, is warming up to 65 DEG C；2,6-are added in blending tank
Diisocyanate base methyl caproate and HMDI, with rotating speed 75 r/min, stir 9min, be slowly dropped to by the liquid in blending tank
In reactor one；In reactor one, add DBTL, stannous octoate, be warming up to 85 DEG C, 70r/min stirring reaction 1.5h；Close
Nitrogen, adds polyether polyol, 110 DEG C, under the conditions of-0 .05MPa, vacuum dehydration 1h；Cool to 55 DEG C, obtain A group
Point；
(2) prepared by B component
In reactor two, add end hydroxy butadiene, be warming up to 90 DEG C, add precipitated calcium carbonate, bentonite, white carbon, point
Dissipating 10min, rotating speed is 350r/min；Reactor two is cooled to 70 DEG C, add firming agent, organo-bismuth, solvent naphtha, defoamer,
Chain extender, chlorinated paraffin, stir 30min with 100r/min；At 110 DEG C, vacuum dehydration 0.5h, vacuum pressure is-0
.05MPa；It is cooled to 55 DEG C, obtains B component；
(3) preparation water-repellent paint:
Component A and B component are mixed in proportion and can form self-closing's polyurethane water-proof paint.
Embodiment 2:
A kind of self-closing's polyurethane water-proof paint, is made up of two kinds of components of A, B；Wherein, component A is by the raw material group of following weight ratio
Become: adipic acid 7-10 part, HMDI 24 parts, 2,6-bis-isocyanate group methyl caproate 20 parts, stannous octoate 0.1-0.3 part, poly-
Ethoxylated polyhydric alcohol 55 parts, DBTL 0.3 part；B component is made up of the raw material of following weight ratio: end hydroxy butadiene 25 parts, lightweight
Calcium carbonate 20 parts, bentonite 25 parts, white carbon 6 parts, firming agent 15-35 part, organo-bismuth 0.5 part, solvent naphtha 30 parts, defoamer 2
Part, chain extender 25 parts, chlorinated paraffin 55 parts.
The mass ratio of two kinds of components of A, B is A component: B component=3:1
Firming agent is triethyl group triamine.
Solvent naphtha is isoparaffin solvent oil.
Organo-bismuth is isooctyl acid bismuth.
The present embodiment additionally provides the preparation method of a kind of self-closing's polyurethane water-proof paint, comprises the following steps:
(1) prepared by component A:
Adipic acid is added, with 0.8m in reactor one3/ h is passed through nitrogen, is warming up to 75 DEG C；2,6-are added in blending tank
Diisocyanate base methyl caproate and HMDI, with rotating speed 80 r/min, stir 11min, be slowly added dropwise by the liquid in blending tank
In reactor one；In reactor one, add DBTL, stannous octoate, be warming up to 90 DEG C, 80 r/min stirring reaction 2.5h；
Close nitrogen, add polyether polyol, 120 DEG C, under the conditions of-0 .06MPa, vacuum dehydration 2h；Cool to 65 DEG C, to obtain final product
A component；
(2) prepared by B component
In reactor two, add end hydroxy butadiene, be warming up to 110 DEG C, add precipitated calcium carbonate, bentonite, white carbon,
Dispersion 20min, rotating speed is 450r/min；Reactor two is cooled to 80 DEG C, adds firming agent, organo-bismuth, solvent naphtha, froth breaking
Agent, chain extender, chlorinated paraffin, stir 50min with 120r/min；At 120 DEG C, vacuum dehydration 1h, vacuum pressure is-0
.06MPa；It is cooled to 65 DEG C, obtains B component；
(3) preparation water-repellent paint:
Component A and B component are mixed in proportion and can form self-closing's polyurethane water-proof paint.
Embodiment 3:
A kind of self-closing's polyurethane water-proof paint, is made up of two kinds of components of A, B；Wherein, component A is by the raw material group of following weight ratio
Become: adipic acid 8.5 parts, HMDI 21 parts, 2,6-bis-isocyanate group methyl caproate 19 parts, stannous octoate 0.2 part, polyether polyols
Alcohol 47 parts, DBTL 0.2 part；B component is made up of the raw material of following weight ratio: end hydroxy butadiene 17 parts, precipitated calcium carbonate
15 parts, bentonite 20 parts, white carbon 5 parts, 25 parts of firming agent, organo-bismuth 0.3 part, solvent naphtha 25 parts, defoamer 1.5 parts, chain extension
Agent 20 parts, chlorinated paraffin 47 parts.
The mass ratio of two kinds of components of A, B is A component: B component=2.5:1
Firming agent is triethyl group triamine.
Solvent naphtha is isoparaffin solvent oil.
Organo-bismuth is isooctyl acid bismuth.
The present embodiment additionally provides the preparation method of a kind of self-closing's polyurethane water-proof paint, comprises the following steps:
(1) prepared by component A:
Adipic acid is added, with 0.7m in reactor one3/ h is passed through nitrogen, is warming up to 70 DEG C；2,6-are added in blending tank
Diisocyanate base methyl caproate and HMDI, with rotating speed 77r/min, stir 10min, be slowly dropped to by the liquid in blending tank
In reactor one；In reactor one, add DBTL, stannous octoate, be warming up to 87 DEG C, 75 r/min stirring reaction 2h；Close
Nitrogen, adds polyether polyol, 115 DEG C, under the conditions of-0 .055MPa, vacuum dehydration 1.5h；Cool to 60 DEG C, obtain A
Component；
(2) prepared by B component
In reactor two, add end hydroxy butadiene, be warming up to 100 DEG C, add precipitated calcium carbonate, bentonite, white carbon,
Dispersion 15min, rotating speed is 400r/min；Reactor two is cooled to 75 DEG C, adds firming agent, organo-bismuth, solvent naphtha, froth breaking
Agent, chain extender, chlorinated paraffin, stir 40min with 110r/min；At 115 DEG C, vacuum dehydration 0.7h, vacuum pressure is-0
.055MPa；It is cooled to 60 DEG C, obtains B component；
(3) preparation water-repellent paint:
Component A and B component are mixed in proportion and can form self-closing's polyurethane water-proof paint.
The performance of the water-repellent paint that embodiment 1-3 prepares is detected, the water-repellent paint Progressive symmetric erythrokeratodermia to embodiment 1-4
Can detect, testing result is as shown in table 1:
Table 1
As known from Table 1, the water-repellent paint that the present invention prepares has good water resistance and dereism.Find to implement by contrast
The water-repellent paint elongation percentage that example 3 prepares is maximum, has higher external force resistance morphotropism, and dereism is more preferable.
Claims (6)
1. self-closing's polyurethane water-proof paint, it is characterised in that be made up of two kinds of components of A, B；Wherein, described component A by
The raw material composition of following weight ratio: adipic acid 7-10 part, HMDI 18-24 part, 2,6-bis-isocyanate group methyl caproate 18-20
Part, stannous octoate 0.1-0.3 part, polyether polyol 40-55 part, DBTL 0.1-0.3 part；Described B component is by following weight ratio
Raw material composition: end hydroxy butadiene 10-25 part, precipitated calcium carbonate 10-20 part, bentonite 15-25 part, white carbon 4-6 part,
Firming agent 15-35 part, organo-bismuth 0.1-0.5 part, solvent naphtha 20-30 part, defoamer 1-2 part, chain extender 15-25 part, chlorination stone
Wax 40-55 part.
Self-closing's polyurethane water-proof paint the most according to claim 1, it is characterised in that: the matter of described two kinds of components of A, B
Amount ratio is A component: B component=2:1-3:1.
Self-closing's polyurethane water-proof paint the most according to claim 1, it is characterised in that: described firming agent is triethyl group three
Amine.
Self-closing's polyurethane water-proof paint the most according to claim 1, it is characterised in that: described solvent naphtha is isoparaffin
Solvent naphtha.
Self-closing's polyurethane water-proof paint the most according to claim 1, it is characterised in that: described organo-bismuth is isooctyl acid
Any one in bismuth, lauric acid bismuth and bismuth neodecanoate.
6. the preparation method of the self-closing's polyurethane water-proof paint as described in any one of claim 1-5, it is characterised in that
Comprise the following steps:
Prepared by component A:
Described adipic acid is added, with 0.6-0.8m in reactor one3/ h is passed through nitrogen, is warming up to 65-75 DEG C；In blending tank
Adding described 2,6-diisocyanate base methyl caproate and described HMDI, with rotating speed 75-80 r/min, stirring 9-11min, general
Liquid in described blending tank is slowly dropped in described reactor one；Described DBTL, described is added in described reactor one
Stannous octoate, is warming up to 85-90 DEG C, 70-80 r/min stirring reaction 1.5-2.5h；Close nitrogen, add described polyethers many
Unit's alcohol, under the conditions of 110-120 DEG C ,-0 .05～-0 .06MPa, vacuum dehydration 1-2h；Cool to 55-65 DEG C, obtain A group
Point；
Prepared by B component
In reactor two, add described end hydroxy butadiene, be warming up to 90-110 DEG C, add described precipitated calcium carbonate, described
Bentonite, described white carbon, disperse 10-20min, and rotating speed is 350-450r/min；Described reactor two is cooled to 70-80
DEG C, add described firming agent, described organo-bismuth, described solvent naphtha, described defoamer, described chain extender, described chlorinated paraffin, with
100-120r/min stirs 30-50min；At 110-120 DEG C, vacuum dehydration 0.5-1h, vacuum pressure is-0 .05～-0
.06MPa；It is cooled to 55-65 DEG C, obtains B component；
Preparation water-repellent paint:
Described component A and described B component are mixed in proportion and can form described self-closing's polyurethane water-proof paint.
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| CN201610358706.4A CN106047131B (en) | 2016-05-27 | 2016-05-27 | A kind of self-closing's polyurethane water-proof paint and preparation method thereof |
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| CN201610358706.4A CN106047131B (en) | 2016-05-27 | 2016-05-27 | A kind of self-closing's polyurethane water-proof paint and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112920701A (en) * | 2019-08-02 | 2021-06-08 | 江苏凯伦建材股份有限公司 | Preparation method of double-component normal-temperature non-cured asphalt polyurethane waterproof coating |
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| US20040034146A1 (en) * | 2002-08-14 | 2004-02-19 | Rolf Gertzmann | Polyurethane-polyacrylate hybrid coating compositions |
| CN104201308A (en) * | 2014-09-09 | 2014-12-10 | 深圳市信宇人科技有限公司 | Cast coated ultraviolet curing all-ceramic battery diaphragm and cast coating method thereof |
| CN105419612A (en) * | 2015-12-21 | 2016-03-23 | 潍坊市宏源防水材料有限公司 | Self closing type polyurethane waterproof coating material and production technology thereof |
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2016
- 2016-05-27 CN CN201610358706.4A patent/CN106047131B/en active Active
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| CN1127512A (en) * | 1994-04-21 | 1996-07-24 | 保土谷化学工业株式会社 | Process for producing rapidly cold-curable polyurethane coating waterproofing material |
| US20040034146A1 (en) * | 2002-08-14 | 2004-02-19 | Rolf Gertzmann | Polyurethane-polyacrylate hybrid coating compositions |
| CN104201308A (en) * | 2014-09-09 | 2014-12-10 | 深圳市信宇人科技有限公司 | Cast coated ultraviolet curing all-ceramic battery diaphragm and cast coating method thereof |
| CN105419612A (en) * | 2015-12-21 | 2016-03-23 | 潍坊市宏源防水材料有限公司 | Self closing type polyurethane waterproof coating material and production technology thereof |
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| Title |
|---|
| 沈春林等: "《聚氨酯防水材料》", 30 June 2007 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112920701A (en) * | 2019-08-02 | 2021-06-08 | 江苏凯伦建材股份有限公司 | Preparation method of double-component normal-temperature non-cured asphalt polyurethane waterproof coating |
| CN112920701B (en) * | 2019-08-02 | 2021-12-24 | 江苏凯伦建材股份有限公司 | Preparation method of double-component normal-temperature non-cured asphalt polyurethane waterproof coating |
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| CN106047131B (en) | 2018-02-27 |
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