CN107474712A - A kind of asparagus fern polyurea waterproof coating material of high intensity and preparation method thereof - Google Patents
A kind of asparagus fern polyurea waterproof coating material of high intensity and preparation method thereof Download PDFInfo
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- CN107474712A CN107474712A CN201710714596.5A CN201710714596A CN107474712A CN 107474712 A CN107474712 A CN 107474712A CN 201710714596 A CN201710714596 A CN 201710714596A CN 107474712 A CN107474712 A CN 107474712A
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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
- C09D175/02—Polyureas
-
- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3819—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen
- C08G18/3821—Carboxylic acids; Esters thereof with monohydroxyl 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
- C08G18/4825—Polyethers containing two hydroxy groups
-
- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
-
- 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
- C08G18/70—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
- C08G18/758—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing two or more cycloaliphatic rings
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
Abstract
The invention belongs to coating manufacture field, and in particular to asparagus fern polyurea waterproof coating material of a kind of high intensity and preparation method thereof.The coating includes following components：The parts by weight of polyaspartic ester resin 80 90；The parts by weight of titanium dioxide 5 10；The parts by weight of dispersant 0.1 0.5；The parts by weight of anti-settling agent 0.5 3；The parts by weight of defoamer 0.1 1；The parts by weight of levelling agent 0.1 0.2；The parts by weight of coupling agent 15；The parts by weight of curing agent 150 300.The present invention prepares a kind of asparagus fern polyurea waterproof coating material of high intensity by the improvement to aspartate formulation for coating material and the isocyanates of a new elastic polyurethane type of collocation.The present invention uses the polyaspartic ester of high-solid lower-viscosity need not to add solvent using elastic cured dose of same high-solid lower-viscosity as curing agent, coating application as matrix resin.Coating crosslink density is high, and excellent in mechanical performance simultaneously can realize disposable thick painting.
Description
Technical field
The invention belongs to coating manufacture field, and in particular to a kind of asparagus fern polyurea waterproof coating material of high intensity and its preparation side
Method.
Background technology
In the prior art, in waterproofing work field, such as cement base in water park waterproof, water groove waterproof, roof waterproof
Face is influenceed by expanding with heat and contract with cold, and the situation for coming off, ftractureing easily occurs in paint film in the above, so as to influence waterproof effect.
Water-repellent paint mainly has solvent-borne type water-proof system and solvent-free water-proof system on the market at present.Traditional polyurethane is prevented
Water belongs to solvent-based system, and coating solid part content is low, and solvent volatile quantity is big, the poor mechanical property of paint film, easily opens
Situation about split, coming off.Solvent-free water-proof system mainly has mono-component polyurethane, single-component polyurea, aqueous polyurethane waterproof at present
Coating and spray polyurea.Single-component polyurethane paint film and conventional urethane mechanical property difference are little, also easily it is cracking,
Situation about coming off.The single-component polyurea cost of raw material is high, and at least organic solvent containing 15%-20% in system.It is water-based
The hydrolytic resistance and mechanical property of polyurethane water-proof paint relative to oiliness difference.Spray polyurea water-proof system needs special spray
Automatic doubler surface glouer could construct.
The content of the invention
Therefore, the technical problems to be solved by the invention are the bottleneck for overcoming prior art, it is a kind of high-strength so as to propose
Asparagus fern polyurea waterproof coating material of degree and preparation method thereof.
In order to solve the above technical problems, the invention discloses a kind of asparagus fern polyurea waterproof coating material of high intensity, the coating
Including following components：
Preferably, the component includes following components：
Preferably, described polyaspartic ester resin is N, N'- (methylene two -4,1- hexamethylenes diyl) two asparagus ferns
Propylhomoserin tetra-ethyl ester.
Preferably, the curing agent is elastic cured dose of the high-solid lower-viscosity that NCO% values are 4.8-7.9%.
Preferably, the molecular weight of the polyoxypropyleneglycol is 2000 molecular weight.
Preferably, the weight of polyoxypropyleneglycol and 4,4- dicyclohexyl methyl hydride diisocyanate ratio is 2.2:1.
Preferably, the temperature of the isothermal holding is 70-90 DEG C.
A kind of method for preparing any one coating, methods described step are as follows：
It will add corresponding parts by weight titanium dioxide in the polyaspartic ester resin of corresponding parts by weight, dispersant, anti-settling agent,
Defoamer, levelling agent, coupling agent, stir, as component A；By the use of the described curing agent of corresponding parts by weight as B component,
A, B component are stirred and produced.
The preparation method of the curing agent is：Polyoxypropyleneglycol is taken, 4,4- dicyclohexyl methyl hydride diisocyanates are
Raw material, it is polyoxypropyleneglycol according to weight ratio:4,4- dicyclohexyl methyl hydride diisocyanates=(2-3):1 ratio is entered
Row is fed intake, and the NCO% of isothermal holding to curing agent, which drops to 4.8-7.9% and discharged, to be produced.
The above-mentioned technical proposal of the present invention has advantages below compared with prior art：The present invention is by aspartate
The improvement of formulation for coating material and the isocyanates of a new elastic polyurethane type of collocation, prepare a kind of asparagus fern of high intensity
Polyurea waterproof coating material.The present invention uses the polyaspartic ester of high-solid lower-viscosity as matrix resin with the bullet of same high-solid lower-viscosity
Property curing agent can need not add solvent as curing agent, coating application.Coating crosslink density is high, and excellent in mechanical performance simultaneously can be real
Now disposable thick painting.
Embodiment
For embodiment 1 present embodiment discloses a kind of asparagus fern polyurea waterproof coating material of high intensity, the coating includes such as the following group
Point
The preparation method of described curing agent, methods described step are as follows：
4,4- dicyclohexyl methyl hydride diisocyanate 31.5g are added in 250ml four-hole boiling flasks, in 250m l constant pressure droppers
The middle polyoxypropyleneglycol 68.6g for adding 2000 molecular weight.Normal temperature is added dropwise, and 80 DEG C of insulations are warming up to after dripping extremely
NCO% drops to 7.0% with bottom discharge, obtains elastic cured dose.
The preparation method of the coating, it is specially：
Titanium dioxide will be added in polyaspartic ester resin, dispersant, anti-settling agent, defoamer, levelling agent, coupling agent stirs
Mix uniformly, as component A；B component is used as by the use of described curing agent.A, B component are stirred use.
Embodiment 2 is present embodiment discloses a kind of asparagus fern polyurea waterproof coating material of high intensity, and the coating is including with the following group
Point：
Described polyaspartic ester resin is N, N'- (- 4,1- hexamethylenes the diyl of methylene two) two aspartic acids four
Ethyl ester.
The curing agent is elastic cured dose of high-solid lower-viscosity.
Elastic cured dose of preparation method of the high-solid lower-viscosity is：Take polyoxypropyleneglycol, 4,4- dicyclohexyl first
Alkane diisocyanate is raw material, is polyoxypropyleneglycol according to weight ratio:4,4- dicyclohexyl methyl hydride diisocyanate=2:
1 ratio is fed intake, and the NCO% of isothermal holding to curing agent, which drops to 7.8% and discharged, to be produced.
The molecular weight of the polyoxypropyleneglycol is 2000 molecular weight.
The temperature of the isothermal holding is 70 DEG C.
Embodiment 3 is present embodiment discloses a kind of asparagus fern polyurea waterproof coating material of high intensity, and the coating is including with the following group
Point：
Described polyaspartic ester resin is N, N'- (- 4,1- hexamethylenes the diyl of methylene two) two aspartic acids four
Ethyl ester.
The curing agent is elastic cured dose of high-solid lower-viscosity.
Elastic cured dose of preparation method of the high-solid lower-viscosity is：Take polyoxypropyleneglycol, 4,4- dicyclohexyl first
Alkane diisocyanate is raw material, is polyoxypropyleneglycol according to weight ratio:4,4- dicyclohexyl methyl hydride diisocyanate=3:
1 ratio is fed intake, and the NCO% of isothermal holding to curing agent, which drops to 4.8% and discharged, to be produced.
The molecular weight of the polyoxypropyleneglycol is 2000 molecular weight.
The temperature of the isothermal holding is 70 DEG C.
Experimental example
Coating obtained by embodiment 1-3 is solvent-free environment-friendly products, and solid part >=98% is poisonous without heavy metal plasticizer
Composition；
Coating obtained by embodiment 1-3, there is good constructing operation performance.Under 23 DEG C of environment, viscosity 800cps is mixed
Left and right, 30 minutes operating times.
Coating obtained by embodiment 1-3 has excellent rate of drying.Under 23 DEG C of environment, 1.5 millimeters of coating thickness, surface drying
1 hour time, do solid work the time 6 hours.
The mechanical property with good waterproof of coating obtained by embodiment 1-3, under conditions of film thickness >=1.5mm
Also there can be higher intensity, specific experiment the results are shown in Table 1
Table 1
It can be seen that the coating described in embodiment 1-3 has more excellent rate of drying and lower VOC emission amount.Lucid asparagus
The isocyanates collocation of the elastic polyurethane type of propylhomoserin ester and high-solid lower-viscosity uses, and strengthens the flexibility of film, wearability and glutinous
Knot property.The resin and curing agent of low viscosity so that asparatate ester paint can artificial construction need not increase construction equipment and can
With disposable thick painting.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (9)
1. the asparagus fern polyurea waterproof coating material of a kind of high intensity, it is characterised in that the coating includes following components：
2. coating as claimed in claim 1, it is characterised in that the component includes following components：
3. coating as claimed in claim 2, it is characterised in that described polyaspartic ester resin is N, N'- (methylene
Two -4,1- hexamethylenes diyls) two aspartic acid tetra-ethyl esters.
4. coating as claimed in claim 3, it is characterised in that the curing agent is that the height that NCO% values are 4.8-7.9% is solid low
Viscous elastic cured dose.
5. coating as claimed in claim 4, it is characterised in that the molecular weight of the polyoxypropyleneglycol is 2000 molecules
Amount.
6. coating as claimed in claim 5, it is characterised in that polyoxypropyleneglycol and the isocyanide of 4,4- dicyclohexyl methyl hydride two
The weight ratio of acid esters is 2.2:1.
7. coating as claimed in claim 6, it is characterised in that the temperature of the isothermal holding is 70-90 DEG C.
A kind of 8. method for preparing the coating as described in claim any one of 1-7, it is characterised in that methods described step is as follows：
Corresponding parts by weight titanium dioxide, dispersant, anti-settling agent, defoaming will be added in the polyaspartic ester resin of corresponding parts by weight
Agent, levelling agent, coupling agent, stir, as component A；By the use of the described curing agent of corresponding parts by weight as B component, by A, B
Component, which stirs, to be produced.
9. method as claimed in claim 8, it is characterised in that the preparation method of the curing agent is：Take PPOX two
Alcohol, 4,4- dicyclohexyl methyl hydride diisocyanates are raw material, are polyoxypropyleneglycol according to weight ratio:4,4- dicyclohexyls
Methane diisocyanate=(2-3):1 ratio is fed intake, and the NCO% of isothermal holding to curing agent drops to 4.8-7.9% and gone out
Expect to produce.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710714596.5A CN107474712B (en) | 2017-08-18 | 2017-08-18 | A kind of asparagus fern polyurea waterproof coating material of high intensity and preparation method thereof |
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| CN201710714596.5A CN107474712B (en) | 2017-08-18 | 2017-08-18 | A kind of asparagus fern polyurea waterproof coating material of high intensity and preparation method thereof |
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| CN107474712B CN107474712B (en) | 2019-06-07 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108441105A (en) * | 2018-04-12 | 2018-08-24 | 深圳飞扬骏研新材料股份有限公司 | A kind of aspartate high-strength weather-resistant waterproof finishing coat and preparation method thereof |
| CN108624229A (en) * | 2018-04-28 | 2018-10-09 | 佛山市莱威化工科技有限公司 | It is applicable in the polyurethane woodware coating and preparation method thereof of machine spraying |
| CN108676397A (en) * | 2018-04-17 | 2018-10-19 | 海洋化工研究院有限公司 | A kind of graphene offshore wind farm blade finishing coat and preparation method |
| CN108822708A (en) * | 2018-05-08 | 2018-11-16 | 深圳飞扬骏研新材料股份有限公司 | A kind of solvent-free elastic polyaspartic ester urea elastic floor coatings |
| CN109705720A (en) * | 2018-12-30 | 2019-05-03 | 青岛海洋新材料科技有限公司 | A kind of polyurethane damping floor material and preparation method thereof |
| CN113717622A (en) * | 2021-10-13 | 2021-11-30 | 深圳市深赛尔股份有限公司 | Asparagus resin-containing water-based self-repairing industrial coating and preparation method thereof |
| CN114507469A (en) * | 2022-01-21 | 2022-05-17 | 广东台实实业有限公司 | High-strength asparagus polyurea waterproof coating and preparation method thereof |
| WO2023142977A1 (en) * | 2022-01-26 | 2023-08-03 | 深圳飞扬骏研新材料股份有限公司 | Polyaspartic polyurea coating and preparation method therefor |
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| CN104610861A (en) * | 2014-12-31 | 2015-05-13 | 深圳市嘉达高科产业发展有限公司 | Waterproof polyurea paint as well as preparation method and application method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108441105A (en) * | 2018-04-12 | 2018-08-24 | 深圳飞扬骏研新材料股份有限公司 | A kind of aspartate high-strength weather-resistant waterproof finishing coat and preparation method thereof |
| CN108676397A (en) * | 2018-04-17 | 2018-10-19 | 海洋化工研究院有限公司 | A kind of graphene offshore wind farm blade finishing coat and preparation method |
| CN108624229A (en) * | 2018-04-28 | 2018-10-09 | 佛山市莱威化工科技有限公司 | It is applicable in the polyurethane woodware coating and preparation method thereof of machine spraying |
| CN108822708A (en) * | 2018-05-08 | 2018-11-16 | 深圳飞扬骏研新材料股份有限公司 | A kind of solvent-free elastic polyaspartic ester urea elastic floor coatings |
| CN109705720A (en) * | 2018-12-30 | 2019-05-03 | 青岛海洋新材料科技有限公司 | A kind of polyurethane damping floor material and preparation method thereof |
| CN109705720B (en) * | 2018-12-30 | 2021-07-30 | 青岛海洋新材料科技有限公司 | Polyurethane damping terrace material and preparation method thereof |
| CN113717622A (en) * | 2021-10-13 | 2021-11-30 | 深圳市深赛尔股份有限公司 | Asparagus resin-containing water-based self-repairing industrial coating and preparation method thereof |
| CN114507469A (en) * | 2022-01-21 | 2022-05-17 | 广东台实实业有限公司 | High-strength asparagus polyurea waterproof coating and preparation method thereof |
| WO2023142977A1 (en) * | 2022-01-26 | 2023-08-03 | 深圳飞扬骏研新材料股份有限公司 | Polyaspartic polyurea coating and preparation method therefor |
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| CN107474712B (en) | 2019-06-07 |
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