CN111303752A - Non-tar-based bi-component polyurethane waterproof coating and preparation method thereof - Google Patents
Non-tar-based bi-component polyurethane waterproof coating and preparation method thereof Download PDFInfo
- Publication number
- CN111303752A CN111303752A CN202010249402.0A CN202010249402A CN111303752A CN 111303752 A CN111303752 A CN 111303752A CN 202010249402 A CN202010249402 A CN 202010249402A CN 111303752 A CN111303752 A CN 111303752A
- Authority
- CN
- China
- Prior art keywords
- parts
- plasticizer
- component
- diluent
- mixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/04—Printing inks based on proteins
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/06—Printing inks based on fatty oils
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/08—Printing inks based on natural resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a non-tar-based double-component polyurethane waterproof coating, which belongs to the technical field of coatings and comprises a first component and a second component, wherein the weight ratio of the first component to the second component is 1: 2-3.5, wherein the first component comprises the following components in parts by weight: 40-50 parts of polyether polyol, 7-10 parts of isocyanate, 20-46 parts of a first plasticizer and 0-20 parts of a first diluent; the second component comprises the following components in parts by weight: 1.5-3 parts of vulcanizing agent, 0-5 parts of second plasticizer and/or 40-45 parts of third plasticizer, 15-20 parts of fourth plasticizer, 15-20 parts of second diluent, 3-5 parts of third diluent, 0.5-1 part of anti-settling agent and 0.01-0.03 part of catalyst, and the waterproof performance is good.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a non-tar-based bi-component polyurethane waterproof coating and a preparation method thereof.
Background
The currently commonly used polyurethane waterproof coating takes coal tar as one of main raw materials, has large smell and poor environmental protection, and needs to be developed into a polyurethane waterproof coating which has good waterproof performance, does not contain coal tar and has lower cost.
Disclosure of Invention
In view of the above, the invention aims to provide a low-cost non-tar-based two-component polyurethane waterproof coating and a preparation method thereof, so as to solve the problems of large smell and environmental pollution of the tar-based polyurethane waterproof coating in the prior art.
In order to achieve the above object, one aspect of the present invention provides a non-tar-based two-component polyurethane waterproof coating, which comprises a first component and a second component, wherein the weight ratio of the first component to the second component is 1:2 to 3.5, wherein,
the first component comprises the following components in parts by weight: 40-50 parts of polyether polyol, 7-10 parts of isocyanate, 20-46 parts of a first plasticizer and 0-20 parts of a first diluent;
the second component comprises the following components in parts by weight: 1.5-3 parts of vulcanizing agent, 0-5 parts of second plasticizer and/or 40-45 parts of third plasticizer, 15-20 parts of fourth plasticizer, 15-20 parts of second diluent, 3-5 parts of third diluent, 0.5-1 part of anti-settling agent and 0.01-0.03 part of catalyst.
Optionally, the first component comprises the following components in parts by weight: 40-45 parts of polyether polyol, 7-8 parts of isocyanate, 25-30 parts of a first plasticizer and 10-20 parts of a first diluent.
Optionally, the first component comprises the following components in parts by weight: 42 parts of polyether polyol, 8 parts of isocyanate, 30 parts of first plasticizer and 10 parts of first diluent.
Optionally, the second component comprises the following components in parts by weight: 2-3 parts of vulcanizing agent, 2-5 parts of second plasticizer, 42-45 parts of third plasticizer, 18-20 parts of fourth plasticizer, 18-20 parts of second diluent, 4-5 parts of third diluent, 0.6-1 part of anti-settling agent and 0.01-0.02 part of catalyst.
Optionally, the second component comprises the following components in parts by weight: 2 parts of vulcanizing agent, 2 parts of second plasticizer, 42 parts of third plasticizer, 18 parts of fourth plasticizer, 18 parts of second diluent, 4 parts of third diluent, 0.8 part of anti-settling agent and 0.02 part of catalyst.
Optionally, the polyether polyol is propylene glycol polyether with the relative molecular mass of 800-2000 and/or trimethylolpropane polyether with the relative molecular mass of 400-4000; and/or
The isocyanate is any one or a mixture of more than two of toluene diisocyanate, isophorone diisocyanate and diphenylmethane diisocyanate.
Optionally, the first plasticizer is any one or a mixture of more than two of chlorinated paraffin 52, dibutyl phthalate and acetyl tributyl citrate; and/or
The second plasticizer is any one or a mixture of more than two of chlorinated paraffin 52, dibutyl phthalate and acetyl tributyl citrate; and/or
The third plasticizer is medium-temperature coal pitch; and/or
The fourth plasticizer is one or a mixture of more than two of calcium carbonate, talcum powder, higher-leading soil and calcium oxide; and/or
The first diluent is one or a mixture of more than two of dimethyl carbonate, xylene and solvent oil; and/or
The second diluent is aromatic oil; and/or
The third diluent is one or a mixture of more than two of dimethyl carbonate, xylene and solvent oil; and/or
The anti-settling agent is one of organic bentonite or gas-phase silicon oxide; and/or
The catalyst is an organic tin compound.
The invention also provides a preparation method of the non-tar-based bi-component polyurethane waterproof coating, which comprises the following steps:
the non-tar-based double-component polyurethane waterproof coating comprises the following components in percentage by weight:
adding the polyether polyol and the first plasticizer into a reaction kettle, vacuumizing and dehydrating, controlling the dehydration temperature to be 105-115 ℃, the vacuum degree to be more than or equal to-0.08 Mpa, and the dehydration time to be 1.5-2 h, and preparing a first mixture;
cooling the first mixture to 80-90 ℃, adding the isocyanate to react for 2-3 h, and preparing a second mixture;
adding the weighed first diluent into the second mixture, and stirring for 20-30 min to prepare a first component;
adding the weighed second diluent, second plasticizer and/or third plasticizer into a reaction kettle, heating, and preparing a third mixture by using a fourth plasticizer after heating;
dehydrating the fourth mixture in vacuum, controlling the temperature to be 110-130 ℃, the vacuum degree to be more than or equal to-0.08 Mpa and the dehydration time to be 1.5-2 h, and preparing the fourth mixture;
adding the weighed vulcanizing agent into the fourth mixture, reacting for 1-1.5 h at 115-120 ℃, and preparing a fifth mixture;
adding the weighed anti-settling agent into the fifth mixture, stirring for 15-30 min, adding the weighed third diluent, and stirring for 20-30 min to prepare a second component;
and mixing the first component and the second component to prepare the non-tar-based two-component polyurethane waterproof coating.
Compared with the prior art, the invention has the following beneficial effects:
compared with the existing coating, the embodiment of the invention controls the types and the contents of the components, so that the components have a synergistic interaction effect, and the stability and the good dispersibility of the coating are endowed; the embodiment of the invention utilizes the first component and the second component to react to form a film, and specifically, polyether polyol and isocyanate firstly react to generate a prepolymer, and then are crosslinked and cured to form a film under the action of a vulcanizing agent, so that the waterproof effect is achieved, and the waterproof performance is excellent.
Detailed Description
The following detailed description of embodiments of the invention is intended to be illustrative, and is not to be construed as limiting the invention.
The embodiment of the invention provides a waterproof heat-preservation reflective heat-insulation multifunctional water-based paint and a preparation method thereof.
In one aspect, the embodiment of the invention provides a non-tar-based two-component polyurethane waterproof coating, which comprises a first component and a second component, wherein the weight ratio of the first component to the second component is 1:2 to 3.5; the first component comprises the following components in parts by weight: 40-50 parts of polyether polyol, 7-10 parts of isocyanate, 20-46 parts of a first plasticizer and 0-20 parts of a first diluent; the second component comprises the following components in parts by weight: 1.5-3 parts of vulcanizing agent, 0-5 parts of second plasticizer and/or 40-45 parts of third plasticizer, 15-20 parts of fourth plasticizer, 15-20 parts of second diluent, 3-5 parts of third diluent, 0.5-1 part of anti-settling agent and 0.01-0.03 part of catalyst.
Preferably, the weight ratio of the first component to the second component is 1:3.
preferably, the first component comprises the following components in parts by weight: 40-45 parts of polyether polyol, 7-8 parts of isocyanate, 25-30 parts of a first plasticizer and 10-20 parts of a first diluent.
Preferably, the first component comprises the following components in parts by weight: 42 parts of polyether polyol, 8 parts of isocyanate, 30 parts of first plasticizer and 10 parts of first diluent.
Preferably, the second component comprises the following components in parts by weight: 2-3 parts of vulcanizing agent, 2-5 parts of second plasticizer, 42-45 parts of third plasticizer, 18-20 parts of fourth plasticizer, 18-20 parts of second diluent, 4-5 parts of third diluent, 0.6-1 part of anti-settling agent and 0.01-0.02 part of catalyst.
Preferably, the second component comprises the following components in parts by weight: 2 parts of vulcanizing agent, 2 parts of second plasticizer, 42 parts of third plasticizer, 18 parts of fourth plasticizer, 18 parts of second diluent, 4 parts of third diluent, 0.8 part of anti-settling agent and 0.02 part of catalyst.
Optionally, the second component comprises the following components in parts by weight: 2 parts of vulcanizing agent, 2 parts of second plasticizer, 18 parts of fourth plasticizer, 18 parts of second diluent, 4 parts of third diluent, 0.8 part of anti-settling agent and 0.02 part of catalyst.
Optionally, the second component comprises the following components in parts by weight: 2 parts of vulcanizing agent, 42 parts of third plasticizer, 18 parts of fourth plasticizer, 18 parts of second diluent, 4 parts of third diluent, 0.8 part of anti-settling agent and 0.02 part of catalyst.
In one embodiment, the polyether polyol is propylene glycol polyether with a relative molecular mass of 800-2000 and trimethylolpropane polyether with a relative molecular mass of 400-4000; as an embodiment, the polyether polyol may be polyether 3050. As a specific example, the polyether polyol is 40 parts, 42 parts, 45 parts, 48 parts, or 50 parts.
In one embodiment, the isocyanate is any one or a mixture of two or more of toluene diisocyanate, isophorone diisocyanate, and diphenylmethane diisocyanate. As a specific example, the isocyanate is 7 parts, 8 parts, 9 parts, 9.5 parts, or 10 parts.
In one embodiment, the first plasticizer is one or a mixture of two or more of chlorinated paraffin 52, dibutyl phthalate and acetyl tributyl citrate; as a specific example, the first plasticizer is 20 parts, 25 parts, 35 parts, 40 parts, or 46 parts.
In one embodiment, the second plasticizer is one or a mixture of two or more of chlorinated paraffin 52, dibutyl phthalate and acetyl tributyl citrate; as a specific example, the second plasticizer is 0 part, 1 part, 2 parts, 4 parts or 5 parts.
In one embodiment, the third plasticizer is medium temperature coal tar pitch; as a specific example, the third plasticizer is 40 parts, 41 parts, 42 parts, 44 parts or 45 parts.
In one embodiment, the fourth plasticizer is one or a mixture of more than two of calcium carbonate, talcum powder, higher-grade soil and calcium oxide; as a specific example, the fourth plasticizer is 15 parts, 16 parts, 18 parts, 19 parts or 20 parts.
In one embodiment, the first diluent is one or a mixture of more than two of dimethyl carbonate, xylene and solvent oil; as a specific example, the first diluent is 0 parts, 2 parts, 5 parts, 10 parts, 15 parts, 16 parts, 18 parts, 19 parts, or 20 parts.
In one embodiment, the second diluent is an aromatic oil, and can be selected from Wanhong petrochemical A13 oil and Furun chemical No. 5 oil; as a specific example, the second diluent is 15 parts, 16 parts, 18 parts, 19 parts, or 20 parts.
In one embodiment, the third diluent is one or a mixture of more than two of dimethyl carbonate, xylene and solvent oil; as a specific example, the third diluent is 3 parts, 4 parts, 4.5 parts, or 5 parts.
In one embodiment, the anti-settling agent is organic bentonite or gas phase silicon oxide; as a specific example, the anti-settling agent is 0.5 parts, 0.6 parts, 0.7 parts, 0.8 parts, or 1 part.
In one embodiment, the catalyst is an organic tin compound, and may be dibutyltin dilaurate or stannous octoate. As a specific example, the catalyst is 0.01 parts, 0.02 parts, or 0.03 parts.
In one embodiment, the vulcanizing agent is an aminopolyether or diamine chain extender. As a specific example, the vulcanizing agent is 1.5 parts, 2 parts, 2.5 parts or 3 parts.
Compared with the existing coating, the embodiment of the invention controls the types and the contents of the components, so that the components have a synergistic interaction effect, and the stability and the good dispersibility of the coating are endowed; the embodiment of the invention utilizes the first component and the second component to react to form a film, and specifically, polyether polyol and isocyanate firstly react to generate a prepolymer, and then are crosslinked and cured to form a film under the action of a vulcanizing agent, so that the waterproof effect is achieved, and the waterproof performance is excellent. And the non-tar-based bi-component polyurethane waterproof coating has low VOC content, basically does not release toxic gas, and is more environment-friendly.
On the other hand, the embodiment of the invention provides a preparation method of the non-tar-based two-component polyurethane waterproof coating, which comprises the following steps:
s01, weighing the raw materials of the components and the content thereof according to the components and the content of the non-tar-based bi-component polyurethane waterproof coating described in the above embodiment:
s02, adding the polyether polyol and the first plasticizer into a reaction kettle, vacuumizing and dehydrating, controlling the dehydration temperature to be 105-115 ℃, the vacuum degree to be more than or equal to-0.08 Mpa, and the dehydration time to be 1.5-2 h, and preparing a first mixture;
s03, cooling the first mixture to 80-90 ℃, adding the isocyanate to react for 2-3 h, and preparing a second mixture;
s04, adding the weighed first diluent into the second mixture, and stirring for 20-30 min to prepare a first component;
s05, adding the weighed second diluent, second plasticizer and/or third plasticizer into a reaction kettle, heating, and preparing a third mixture by using a fourth plasticizer after heating;
s06, carrying out vacuum dehydration on the fourth mixture, controlling the temperature to be 110-130 ℃, controlling the vacuum degree to be more than or equal to-0.08 Mpa, and preparing the fourth mixture after the dehydration time is 1.5-2 h;
s07, adding the weighed vulcanizing agent into the fourth mixture, reacting for 1-1.5 h at 115-120 ℃, and preparing a fifth mixture;
s08, adding the weighed anti-settling agent into the fifth mixture, stirring for 15-30 min, adding the weighed third diluent, and stirring for 20-30 min to prepare a second component;
s09, mixing the first component and the second component, and preparing the mixture into the non-tar-based two-component polyurethane waterproof coating.
The mixing treatment in the above steps can be directly performed by stirring and mixing, and other mixing treatments can also be performed, so long as the purpose of uniformly dispersing the components can be achieved, and the method belongs to the scope disclosed by the invention. When the agitation mixing process is employed, the agitation conditions may be clockwise rotation or counterclockwise rotation or a combination of clockwise and counterclockwise rotation. After the mixing treatment, the filtering treatment can be carried out, and the filtering treatment can ensure that the coating after filtering has better dispersibility and stability and uniform particle size.
The invention is further illustrated by the following specific examples:
example 1
The embodiment provides a non-tar-based two-component polyurethane waterproof coating, which comprises a first component and a second component which are mixed according to a weight ratio of 1:2, wherein the first component and the second component comprise the following components in parts by weight:
the first component comprises: 305040 parts of polyether, 8.6 parts of toluene diisocyanate, 5245 parts of chlorinated paraffin and 20 parts of dimethyl carbonate;
the second component comprises: 200 parts of medium-temperature coal pitch, 160 parts of aromatic oil, 25.6 parts of vulcanizing agent, 5 parts of bentonite, 450 parts of calcium carbonate and 30 parts of dimethyl carbonate.
The experimental results are as follows: the surface drying time is 1.5 hours, and the actual drying time is 12 hours
The tensile strength of the coating film is 2.01MPa, and the elongation is 622%.
Wherein, the surface drying means that the non-tar-based two-component polyurethane waterproof coating is sprayed on the surface of a substrate, and the formed coating film reaches the stage of surface drying, namely the coating film is changed from a flowable liquid state to a state which is relatively difficult to flow and the surface starts to form a film.
And (3) full-dry, namely the non-tar-based bi-component polyurethane waterproof coating is sprayed on the surface of a base material to form a coating, and the coating is actually and completely dried after curing.
In the embodiment, the surface drying time and the actual drying time of the coating film are short, and the tensile strength and the elongation are good.
Example 2
This example provides a non-tar based two-component polyurethane waterproof coating, which contains a first component and a second component mixed in a ratio of 1:3.5, and comprises the following components (in parts by weight):
the first component comprises: 305018 parts of polyether, 7 parts of toluene diisocyanate, 5228 parts of chlorinated paraffin and 50 parts of dimethyl carbonate;
the second component comprises: 200 parts of medium-temperature coal pitch, 150 parts of aromatic oil, 16.38 parts of vulcanizing agent, 6.5 parts of bentonite, 300 parts of calcium carbonate, 150 parts of talcum powder and 30 parts of dimethyl carbonate.
The experimental results are as follows: the surface drying time is 2 hours, and the actual drying time is 12 hours
The tensile strength of the coating film is 2.1Mpa, and the elongation is 685%.
The coating film of this example was superior in tensile strength and elongation to those of example 1.
The present invention is not limited to the above preferred embodiments, and any modification, equivalent replacement and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The non-tar-based double-component polyurethane waterproof coating is characterized by comprising a first component and a second component, wherein the weight ratio of the first component to the second component is 1:2 to 3.5, wherein,
the first component comprises the following components in parts by weight: 40-50 parts of polyether polyol, 7-10 parts of isocyanate, 20-46 parts of a first plasticizer and 0-20 parts of a first diluent;
the second component comprises the following components in parts by weight: 1.5-3 parts of vulcanizing agent, 0-5 parts of second plasticizer and/or 40-45 parts of third plasticizer, 15-20 parts of fourth plasticizer, 15-20 parts of second diluent, 3-5 parts of third diluent, 0.5-1 part of anti-settling agent and 0.01-0.03 part of catalyst.
2. The non-tar based two-component polyurethane waterproof coating according to claim 1, wherein the first component comprises the following components in parts by weight: 40-45 parts of polyether polyol, 7-8 parts of isocyanate, 25-30 parts of a first plasticizer and 10-20 parts of a first diluent.
3. The non-tar based two-component polyurethane waterproof coating according to claim 1, wherein the first component comprises the following components in parts by weight: 42 parts of polyether polyol, 8 parts of isocyanate, 30 parts of first plasticizer and 10 parts of first diluent.
4. The non-tar based two-component polyurethane waterproof coating according to claim 1, wherein the second component comprises the following components in parts by weight: 2-3 parts of vulcanizing agent, 2-5 parts of second plasticizer, 42-45 parts of third plasticizer, 18-20 parts of fourth plasticizer, 18-20 parts of second diluent, 4-5 parts of third diluent, 0.6-1 part of anti-settling agent and 0.01-0.02 part of catalyst.
5. The non-tar based two-component polyurethane waterproof coating according to claim 1, wherein the second component comprises the following components in parts by weight: 2 parts of vulcanizing agent, 2 parts of second plasticizer, 42 parts of third plasticizer, 18 parts of fourth plasticizer, 18 parts of second diluent, 4 parts of third diluent, 0.8 part of anti-settling agent and 0.02 part of catalyst.
6. The non-tar-based two-component polyurethane waterproof coating material according to claim 1, wherein the polyether polyol is propylene glycol polyether having a relative molecular mass of 800 to 2000 and/or trimethylolpropane polyether having a relative molecular mass of 400 to 4000; and/or
The isocyanate is any one or a mixture of more than two of toluene diisocyanate, isophorone diisocyanate and diphenylmethane diisocyanate.
7. The non-tar-based two-component polyurethane waterproof coating material according to claim 1, wherein the first plasticizer is one or a mixture of two or more of chlorinated paraffin 52, dibutyl phthalate and tributyl acetylcitrate; and/or
The second plasticizer is any one or a mixture of more than two of chlorinated paraffin 52, dibutyl phthalate and acetyl tributyl citrate; and/or
The third plasticizer is medium-temperature coal pitch; and/or
The fourth plasticizer is one or a mixture of more than two of calcium carbonate, talcum powder, higher-leading soil and calcium oxide; and/or
The first diluent is one or a mixture of more than two of dimethyl carbonate, xylene and solvent oil; and/or
The second diluent is aromatic oil; and/or
The third diluent is one or a mixture of more than two of dimethyl carbonate, xylene and solvent oil; and/or
The anti-settling agent is one of organic bentonite or gas-phase silicon oxide; and/or
The catalyst is an organic tin compound.
8. A preparation method of a non-tar-based bi-component polyurethane waterproof coating is characterized by comprising the following steps:
the non-tar-based two-component polyurethane waterproof coating according to any one of claims 1 to 7, which comprises the following components in percentage by weight:
adding the polyether polyol and the first plasticizer into a reaction kettle, vacuumizing and dehydrating, controlling the dehydration temperature to be 105-115 ℃, the vacuum degree to be more than or equal to-0.08 Mpa, and the dehydration time to be 1.5-2 h, and preparing a first mixture;
cooling the first mixture to 80-90 ℃, adding the isocyanate to react for 2-3 h, and preparing a second mixture;
adding the weighed first diluent into the second mixture, and stirring for 20-30 min to prepare a first component;
adding the weighed second diluent, second plasticizer and/or third plasticizer into a reaction kettle, heating, and preparing a third mixture by using a fourth plasticizer after heating;
dehydrating the fourth mixture in vacuum, controlling the temperature to be 110-130 ℃, the vacuum degree to be more than or equal to-0.08 Mpa and the dehydration time to be 1.5-2 h, and preparing the fourth mixture;
adding the weighed vulcanizing agent into the fourth mixture, reacting for 1-1.5 h at 115-120 ℃, and preparing a fifth mixture;
adding the weighed anti-settling agent into the fifth mixture, stirring for 15-30 min, adding the weighed third diluent, and stirring for 20-30 min to prepare a second component;
and mixing the first component and the second component to prepare the non-tar-based two-component polyurethane waterproof coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010249402.0A CN111303752A (en) | 2020-04-01 | 2020-04-01 | Non-tar-based bi-component polyurethane waterproof coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010249402.0A CN111303752A (en) | 2020-04-01 | 2020-04-01 | Non-tar-based bi-component polyurethane waterproof coating and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111303752A true CN111303752A (en) | 2020-06-19 |
Family
ID=71155694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010249402.0A Pending CN111303752A (en) | 2020-04-01 | 2020-04-01 | Non-tar-based bi-component polyurethane waterproof coating and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111303752A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115637099A (en) * | 2022-09-29 | 2023-01-24 | 湖南大禹防水建材科技有限公司 | Solvent-free puncture-resistant polyurea waterproof coating and preparation method and application thereof |
| CN116478608A (en) * | 2023-05-11 | 2023-07-25 | 河北宇阳泽丽防水材料有限公司 | High-cohesiveness and high-extensibility bi-component environment-friendly polyurethane waterproof material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006047746A1 (en) * | 2004-10-26 | 2006-05-04 | Noveon, Inc. | Water-borne dispersions of oil modified urethane polymers |
| CN103058587A (en) * | 2012-12-13 | 2013-04-24 | 东莞市斯博锐高分子建筑材料科技有限公司 | High polymer modified epoxy mortar and preparation method thereof |
| CN109735223A (en) * | 2018-12-29 | 2019-05-10 | 北京东方雨虹防水技术股份有限公司 | A kind of modified double components polyurethane water-proof paint and preparation method thereof |
| CN110894399A (en) * | 2019-12-19 | 2020-03-20 | 山东一航新材料科技有限公司 | Two-component polyurethane waterproof coating and preparation method thereof |
-
2020
- 2020-04-01 CN CN202010249402.0A patent/CN111303752A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006047746A1 (en) * | 2004-10-26 | 2006-05-04 | Noveon, Inc. | Water-borne dispersions of oil modified urethane polymers |
| CN103058587A (en) * | 2012-12-13 | 2013-04-24 | 东莞市斯博锐高分子建筑材料科技有限公司 | High polymer modified epoxy mortar and preparation method thereof |
| CN109735223A (en) * | 2018-12-29 | 2019-05-10 | 北京东方雨虹防水技术股份有限公司 | A kind of modified double components polyurethane water-proof paint and preparation method thereof |
| CN110894399A (en) * | 2019-12-19 | 2020-03-20 | 山东一航新材料科技有限公司 | Two-component polyurethane waterproof coating and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 温辉梁: "《化工助剂》", 30 December 2009 * |
| 郭秋兰: "《建筑材料》", 30 March 2015, 哈尔滨工业大学出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115637099A (en) * | 2022-09-29 | 2023-01-24 | 湖南大禹防水建材科技有限公司 | Solvent-free puncture-resistant polyurea waterproof coating and preparation method and application thereof |
| CN115637099B (en) * | 2022-09-29 | 2023-08-15 | 湖南大禹防水建材科技有限公司 | Solvent-free penetration-resistant polyurea waterproof coating and preparation method and application thereof |
| CN116478608A (en) * | 2023-05-11 | 2023-07-25 | 河北宇阳泽丽防水材料有限公司 | High-cohesiveness and high-extensibility bi-component environment-friendly polyurethane waterproof material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8945434B2 (en) | Antistatic or electronically conductive polyurethanes, and method for the production thereof | |
| CN101085860B (en) | Method of preparing water polyurethane urea/modified nano CaCO3 organic-inorganic hybridization material | |
| CN111303752A (en) | Non-tar-based bi-component polyurethane waterproof coating and preparation method thereof | |
| US3770703A (en) | Heat hardenable mixtures of epsilon-caprolactam blocked polyisocyanates and cycloaliphatic polyamines | |
| CN108912371B (en) | Solvent-free hydrophobic self-repairing polyurethane coating and preparation method thereof | |
| CN100528963C (en) | Polyurethane resin composition and its preparing process | |
| CN1470564A (en) | Water-dispersion polyisocyanate composition and its use | |
| CZ2012651A3 (en) | Process for preparing polyurethane materials containing lignin and polyurethane material prepared in such a manner | |
| US3211674A (en) | Polyurethane foam from hydroxylated tall oil | |
| CN108484873B (en) | High-solid-content polyurethane surface layer resin for synthetic leather and preparation method thereof | |
| US6084001A (en) | High build polyurethane coating | |
| CN107043592A (en) | High-adhesion polyurethane water-proof paint and preparation method thereof | |
| CN112708340A (en) | Anti-sagging single-component polyurethane waterproof coating capable of being sprayed and constructed | |
| CN111094374B (en) | Polycarbodiimide compound and thermosetting resin composition | |
| JPS62241975A (en) | Binder having thixotropicity, its production and its use as raw material producing coating agent and sealing agent composition | |
| US4000099A (en) | Tar urethane composition | |
| CN110922882B (en) | Solvent-free single-component polyurethane waterproof coating and production process thereof | |
| KR100491212B1 (en) | Powder coating hardener, powder coating composition containing the hardening agent and powder coating | |
| CN111303753B (en) | Single-component exposed quick-drying polyurethane waterproof coating and preparation method thereof | |
| CN113621120B (en) | Moisture-curable water-based resin and preparation method and application thereof | |
| US6656530B2 (en) | Automotive refinish coatings with low volatile organic content | |
| CN111087915A (en) | Transparent bi-component polyurethane waterproof coating and preparation method thereof | |
| KR19980070745A (en) | Moisture Curable Transparent and Pigment Pigment Colored Polyurethane Coating | |
| US4055585A (en) | Preparation of liquid TDI for compositions | |
| CN111647120B (en) | Preparation method of hyperbranched polyurethane oligomer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |