CN110499096A - A kind of one pack system root-resistant puncturing water-repellent paint and preparation method thereof - Google Patents
A kind of one pack system root-resistant puncturing water-repellent paint and preparation method thereof Download PDFInfo
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- CN110499096A CN110499096A CN201910712610.7A CN201910712610A CN110499096A CN 110499096 A CN110499096 A CN 110499096A CN 201910712610 A CN201910712610 A CN 201910712610A CN 110499096 A CN110499096 A CN 110499096A
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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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—Polyurethanes from polyesters
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- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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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
- 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
- C09D7/63—Additives non-macromolecular organic
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- 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
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
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- Paints Or Removers (AREA)
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Abstract
The invention discloses a kind of one pack system root-resistant puncturing water-repellent paint and preparation method thereof, raw material includes polyisocyanates, polyalcohol, chain extender, amino latent curing agent, compound, surface hydroxyl and/or surface amination boron nitride shown in formula (I)；R1‑(CH2)n‑Si(OR2)3(I), R1For amino or hydroxyl, R2For C1‑6Alkyl or-R3‑O‑R4, R3、R4Separately it is selected from methyl, ethyl or propyl；The inventory of compound shown in surface-functionalized boron nitride, formula (I) accounts for 1-5%, 0.5-3% of raw material total amount of feeding respectively；Preparation: make polyalcohol, polyisocyanates, compound and surface hydroxyl and/or amination boron nitride hybrid reaction shown in formula (I), then performed polymer is made with chain extender reaction, be mixed with surplus stock；The present invention can also have both environmental-protecting performance and excellent root resistance performance, intensity height, good percentage elongation while not adding root resistance agent.
Description
Technical field
The invention belongs to buildings waterproof fields, and in particular to a kind of one pack system root-resistant puncturing water-repellent paint and its preparation side
Method.
Background technique
Water-repellent paint, which is applied to the cured rear waterproofing membrane formed of the coating in base, has certain intensity, preferably
Extensibility, crack resistance, impermeability and weatherability, while there is good thermal adaptability, it is easy to operate, for ease of maintenaince with
Maintenance.Compared with waterproof roll, water-repellent paint is to the adaptable of base, and waterproof layer is seamless, more reliability.By
In These characteristics, water-repellent paint is one of the primary roofing material being commonly used in waterproofing work.
The roof greening system of building generally using common water-repellent paint or does not have root-resistant puncturing performance at present,
There is root-resistant puncturing performance, but has the water-repellent paint of root-resistant puncturing performance, tensile strength, adhesion strength, elongation at break
Etc. physical properties technical indicator again do not reach ideal effect, so that the root system of plant of roof greening planting will finally be worn
Saturating waterproof coating layer, causes waterproof to fail.Once roof leakage will just face and root out entire roofing, repair and will shape
A series of catastrophic problems of expense are reformed at high reparation.The water-repellent paint with root-resistant puncturing is generally adopted at present simultaneously
The root resistances such as root-resistant puncturing performance, such as addition (R) -2- (4- chloro-2-methyl benzene oxygen) octyl propionate are realized with addition root resistance agent
Agent, however such root resistance agent is at high cost, preparation is difficult, it is containing halogen elements, it is unfavorable for environmental protection etc..
Summary of the invention
In view of this, providing one kind the technical problem to be solved by the present invention is in order to overcome the shortcomings in the prior art
The single-component waterproof coating material of environmental-protecting performance and excellent root resistance performance, and intensity can also be had both while not adding root resistance agent
High, good percentage elongation.
The present invention additionally provides a kind of preparation method of above-mentioned single-component waterproof coating material simultaneously.
In order to solve the above technical problems, a kind of technical solution that the present invention takes is as follows:
A kind of one pack system root-resistant puncturing water-repellent paint, the raw material of the water-repellent paint include polyisocyanates, polyalcohol,
Chain extender, amino latent curing agent, the raw material further include compound shown in formula (I), surface-functionalized boron nitride, the table
Face functionalization boron nitride is surface hydroxylation boron nitride and/or surface amination boron nitride；
R1-(CH2)n-Si(OR2)3(I), in formula: R1For amino or hydroxyl, R2For C1-6Alkyl or-R3-O-R4, R3、R4Point
Not independently selected from methyl, ethyl or propyl；In terms of mass percentage, the inventory of the surface-functionalized boron nitride is accounted for
The inventory of the 1-5% of the raw material total amount of feeding, compound shown in the formula (I) account for the 0.5- of the raw material total amount of feeding
3%.
More according to the present invention preferred and specific aspect, R1For amino.
More according to the present invention preferred and specific aspect, R2For methyl, ethyl, propyl ,-CH2-O-CH3、-
CH2CH2-O-CH3Or-CH2-O-CH2CH3。
Some specific aspects according to the present invention, compound shown in the formula (I) are gamma-aminopropyl-triethoxy-silane
And/or γ-aminopropyltrimethoxysilane.
More according to the present invention specific and preferred aspect, the surface hydroxylation boron nitride by make boron nitride with
The aqueous solution of alkaline hydrated oxide mixes, and is stirred to react and is made at 90~150 DEG C of temperature.
In certain embodiments of the present invention, the preparation method of the surface hydroxylation boron nitride is specific as follows: by nitrogen
Change boron (purity >=99%, 2~5 μm of partial size) to be added in three mouthfuls of reaction flasks, pre-prepared sodium hydroxide water is then added
In solution, the mechanical stirring 10h under the conditions of 100 DEG C or so oil bath heatings, resulting mixture is repeatedly washed with distilled water to
Filtrate is neutrality, and surface hydroxylation boron nitride is obtained after drying.
In other embodiments of the present invention, the surface hydroxylation boron nitride can also be commercially available.
More according to the present invention specific and preferred aspect, the surface amination boron nitride are made by the following method
It is standby: to mix boron nitride with amino organic compounds, the amination nitridation is made in ball milling under inert protective gas atmosphere
Boron, the amino organic compounds are selected from one or more of urea, tetraethylenepentamine and triphenylamine.
In certain embodiments of the present invention, the preparation method of the surface amination boron nitride is specific as follows: in nitrogen
Under gas atmosphere, boron nitride and urea are added in ball mill, at normal temperature ball milling 10h, take out mixture after ball milling, deionization
Water washing is multiple, and surface amination boron nitride is obtained after drying.
In other embodiments of the present invention, the surface amination boron nitride can also be commercially available.
Some preferred aspects according to the present invention, the water-repellent paint are prepared via a method which: making polyalcohol, polyisocyanate
Compound shown in cyanate, formula (I) and surface-functionalized boron nitride hybrid reaction add chain extender reaction and performed polymer are made,
NCO content is 2-5% in gained performed polymer after control reaction, and gained performed polymer and surplus stock are mixed and made into the waterproof
Coating.
Some preferred aspects according to the present invention are 5-10 parts of polyisocyanates, more in the raw material in terms of mass fraction
First alcohol 20-30 parts, 0.5-2 parts of compound, boron nitride 0.5-3 parts surface-functionalized, 1-5 parts of chain extender, amino shown in formula (I)
1-5 parts of latent curing agent, 25-45 parts of filler, 5-15 parts of plasticizer, 0.1-1 parts of catalyst, 0-1 parts of defoaming agent.
Some specific aspects according to the present invention, the polyalcohol are selected from polyether Glycols, the pure and mild polyethers of polyester binary
At least one of trihydroxylic alcohol, for example including but be not limited to polyethers 330N, polyethers 1000, polyethers 2000 etc..
Some specific aspects according to the present invention, the polyisocyanates are selected from diisocyanate and its performed polymer, three
One of isocyanates and its performed polymer or a variety of combinations, for example including but be not limited to toluene di-isocyanate(TDI) (TDI),
Isophorone diisocyanate (IPDI), methyl diphenylene diisocyanate (MDI), dicyclohexyl methyl hydride diisocyanate
(HMDI), hexamethylene diisocyanate (HDI), naphthalene propylhomoserin diisocyanate (NDI) etc..
Some specific aspects according to the present invention, the filler are selected from fumed silica, crystal whisker of gypsum, nano-sized carbon
In sour calcium, nano aluminum nitride, nm-class boron nitride, nano boric acid aluminium, coarse whiting, talcum powder, light calcium, kaolin and wollastonite in powder
One or more combinations.
Some specific aspects according to the present invention, the plasticizer are selected from DINP, DIDP, chlorinated paraffin, adipic acid two
At least one of pungent rouge, glycol benzoate, trioctyl phosphate and phenyl alkylsulf.
Some specific aspects according to the present invention, the defoaming agent be polysiloxane defoaming agent or silicone defoaming agent,
One of calcium oxide, magnesia and calcium hydroxide or a variety of combinations.
Some specific aspects according to the present invention, the catalyst be selected from dibutyl tin dilaurate, stannous octoate,
The non-butyl tin catalyst of environmental protection, bismuth carboxylate class catalyst, zinc naphthenate, pentamethyldipropylenetriamine, tetramethylethylenediamine,
At least one of double morpholine classes.
Some preferred aspects according to the present invention, the chain extender be selected from clearlink 1000,
One of clearlink3000, jefflink754, jefflink555, jefflink 7027 and jeffamin HK-511
Or a variety of combination.
" amino latent curing agent " is the latent curing agent for referring to hydrolysis and releasing amino in the present invention.According to this hair
Bright some specific and preferred aspect, the amino latent curing agent are selected from latent curing agent 401, latent curing agent 402 and to dive
One of curing agent 403 or a variety of combinations.
A kind of another technical solution provided by the invention: preparation of one pack system root-resistant puncturing water-repellent paint described above
Method, the preparation method include the following steps:
(1) polyalcohol, surface-functionalized boron nitride are dehydrated to 0.05% or less under vacuum conditions；
(2) polyalcohol, surface-functionalized boron nitride and polyisocyanates, formula (I) after will be dry obtained by step (1)
Shown compound hybrid reaction, is then added chain extender reaction, until NCO content reaches setting value in reactant, stops anti-
It answers, performed polymer is made, the setting value is 2-5%；
(3) performed polymer obtained by step (2) and surplus stock are mixed and made into the one pack system root-resistant puncturing water-repellent paint.
Due to the use of above technical scheme, the invention has the following advantages over the prior art:
Water-repellent paint of the invention innovatively uses compound shown in formula (I) and surface-functionalized boron nitride mixed and modified
Conventional polyurethanes molecular structure, so that product hard segment content is higher, tear resistance increases substantially, molecular structure is arranged layer by layer
Cloth forms air-locked dense film block as aluminium foil, and excellent root resistance is not only realized in the case where root resistance agent not adding
Performance can resist the puncture of various flourishing root system plants, and intensity high-elongation is good, while it also has stronger hydrophobic function (energy
Enough further enhance the waterproof efficacy of coating, water absorption rate sharp fall) and heating conduction (heat can be conducted in time, and
Boron nitride is that white is also not easy to absorb heat), and can directly be applied on moisture substrate, bonding force is good, while acidproof, alkaline-resisting, resistance to
Salt performance is more excellent, makes it particularly suitable for plantation and the waterproof requirement of roofing.
Specific embodiment
Above scheme is described further below in conjunction with specific embodiment；It should be understood that these embodiments are for illustrating
The basic principles, principal features and advantages of the present invention, and the present invention is not by the scope limitation of following embodiment；It is adopted in embodiment
Implementation condition can do further adjustment according to specific requirement, and the implementation condition being not specified is usually in routine experiment
Condition.
In following embodiments, unless otherwise instructed, all raw materials are both from routine side commercially available or by this field
Method is prepared.TDI80, MDI are purchased from BASF respectively；Polyethers 330N, polyethers 1000, polyethers 2000 are respectively purchased from blue star east
Greatly；Clearlink 1000, clearlink 3000, jefflink754 are purchased from Guangzhou firmness respectively；Latent curing agent 401 is purchased from
Changde Ai Lite.
Following middle surface amination boron nitride used are by using boron nitride and urea system of the mass ratio for 1: 2 that feed intake
At specific as follows: in a nitrogen atmosphere, boron nitride and urea being added in ball mill, at normal temperature ball milling 10h, take out ball milling
Mixture afterwards, deionized water washing repeatedly, obtain surface amination boron nitride after drying.
The surface hydroxylation boron nitride of following middle uses is made by the following method: by 50g boron nitride (purity >=99%,
2~5 μm of partial size) it is added in three mouthfuls of reaction flasks, it is then added in the sodium hydrate aqueous solution of pre-prepared 5mol/L,
The mechanical stirring 10h under the conditions of 100 DEG C or so oil bath heatings, resulting mixture are through being repeatedly washed with distilled water to filtrate
Neutrality obtains surface hydroxylation boron nitride after drying.
Embodiment 1
This example provides a kind of one pack system root-resistant puncturing water-repellent paint, and raw material includes: 7 parts of TDI80, polyethers 330N 15
Part, 1,000 15 parts of polyethers, 0.5 part of gamma-aminopropyl-triethoxy-silane, 1 part of surface amination boron nitride, clearlink
1000 2 parts, 401 3 parts of latent curing agent, 30 parts of filler (coarse whiting, talcum powder respectively account for 50%), 15 parts of DINP, tin dilaurate two
0.1 part of butyl tin.
Preparation method includes the following steps: surface amination boron nitride and polyethers 330N, polyethers 1000 120
DEG C, vacuum dehydration under -0.1Mpa, until moisture content is lower than 0.05%, be then added gamma-aminopropyl-triethoxy silicon and
TDI80 reacts 3h at 80 DEG C, adds clearlink 1000 and carries out chain extending reaction, reacts 1.5h, be titrated to by NCO
NCO content is 2.5%, stops reaction, performed polymer is made, and the filler and surplus stock of drying and dewatering, mixing system is then added
At the one pack system root-resistant puncturing water-repellent paint.
Embodiment 2
This example provides a kind of one pack system root-resistant puncturing water-repellent paint, and raw material includes: 10 parts of MDI, polyethers 330N 20
Part, is dived admittedly at 0.5 part of γ-aminopropyltrimethoxysilane, 1.5 parts of surface amination boron nitride, 3,000 1 parts of clearlink
401 3.5 parts of agent, 40 parts of filler (coarse whiting, talcum powder respectively account for 50%), 10 parts of DINP, 0.5 part of dibutyl tin dilaurate.
Preparation method includes the following steps: surface amination boron nitride and polyethers 330N at 120 DEG C, -0.1Mpa
Then γ-aminopropyl trimethoxy silicon and MDI is added until moisture content is lower than 0.05% in vacuum dehydration, anti-at 80 DEG C
3h is answered, clearlink 3000 is added and carries out chain extending reaction, react 1.5h, being titrated to NCO content by NCO is 2.8%,
Stop reaction, performed polymer is made, the filler and surplus stock of drying and dewatering is then added, it is resistance to be mixed and made into the one pack system
Root puncture water-repellent paint.
Embodiment 3
This example provides a kind of one pack system root-resistant puncturing water-repellent paint, and raw material includes: 9 parts of TDI80, polyethers 2,000 10
Part, 1,000 18 parts of polyethers, 0.8 part of gamma-aminopropyl-triethoxy-silane, 2 parts of surface hydroxylation boron nitride, jefflink754
1.5 parts, 401 3 parts of latent curing agent, 35 parts of filler (coarse whiting, talcum powder respectively account for 50%), 8 parts of DINP, di lauric dibutyl
0.3 part of tin.
Preparation method includes the following steps: surface hydroxylation boron nitride and polyethers 2000, polyethers 1000 120
DEG C, vacuum dehydration under -0.1Mpa, until moisture content is lower than 0.05%, be then added gamma-aminopropyl-triethoxy silicon and
TDI80 reacts 3h at 80 DEG C, adds jefflink754 and carries out chain extending reaction, reacts 1.5h, be titrated to NCO by NCO
Content is 3.2%, stops reaction, performed polymer is made, and the filler and surplus stock of drying and dewatering is then added, is mixed
The one pack system root-resistant puncturing water-repellent paint.
Comparative example 1
Substantially with embodiment 1, difference, which is only that, does not add gamma-aminopropyl-triethoxy-silane, is adaptively adjusted
The additional amount of TDI80.
Comparative example 2
Substantially with embodiment 1, difference, which is only that, does not add surface amination boron nitride, and adding for TDI80 is adaptively adjusted
Enter amount.
Performance test
Water-repellent paint made by above-described embodiment 1-3 and comparative example 1-2 is subjected to the following performance test, tool
Body result is referring to table 1.
Table 1
Company standard resistance to wear method as follows:
The test of coating root-resistant puncturing carries out in case, and the water-repellent paint of above-described embodiment and comparative example preparation is coated
It is placed in the lower section of plant roots (selecting pyracantha fortuneana).The sample brushing of coating is tested in chamber.It include planting soil layer in chamber
With intensive vegetation cover, the high growth stress from root will be generated in this way, in order to keep this high growth stress
Should moderately be applied fertilizer simultaneously watering Irrigation.Chamber is placed in the greenhouse of controllable temperature, since environmental condition has the growth of plant
It influences, therefore, growth conditions should have controllability.Using 1-2 as experimental period, after the test, planting soil layer is removed,
It observes and whether evaluation test coating has root puncture.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow be familiar with technique
Personage cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, all according to this hair
Equivalent change or modification made by bright Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of one pack system root-resistant puncturing water-repellent paint, the raw material of the water-repellent paint includes polyisocyanates, polyalcohol, chain extension
Agent, amino latent curing agent, which is characterized in that the raw material further includes compound shown in formula (I), surface-functionalized boron nitride,
The surface-functionalized boron nitride is surface hydroxylation boron nitride and/or surface amination boron nitride；
R1-(CH2)n-Si(OR2)3(I), in formula: R1For amino or hydroxyl, R2For C1-6Alkyl or-R3-O-R4, R3、R4Independently
Ground is selected from methyl, ethyl or propyl；In terms of mass percentage, the inventory of the surface-functionalized boron nitride accounts for the raw material
The inventory of the 1-5% of total amount of feeding, compound shown in the formula (I) account for the 0.5-3% of the raw material total amount of feeding.
2. one pack system root-resistant puncturing water-repellent paint according to claim 1, which is characterized in that R1For amino.
3. one pack system root-resistant puncturing water-repellent paint according to claim 1 or 2, which is characterized in that R2For methyl, ethyl, third
Base ,-CH2-O-CH3、-CH2CH2-O-CH3Or-CH2-O-CH2CH3。
4. one pack system root-resistant puncturing water-repellent paint according to claim 3, which is characterized in that chemical combination shown in the formula (I)
Object is gamma-aminopropyl-triethoxy-silane and/or γ-aminopropyltrimethoxysilane.
5. one pack system root-resistant puncturing water-repellent paint according to claim 1, which is characterized in that the surface hydroxylation nitridation
Boron is stirred to react at 90~150 DEG C of temperature and is made by mixing boron nitride with the aqueous solution of alkaline hydrated oxide；The table
Face amination boron nitride is prepared via a method which: mixing boron nitride with amino organic compounds, in inert protective gas gas
The amination boron nitride is made in ball milling under atmosphere, and the amino organic compounds are selected from urea, tetraethylenepentamine and triphenylamine
One or more of.
6. one pack system root-resistant puncturing water-repellent paint according to claim 1, which is characterized in that the water-repellent paint is by such as
The preparation of lower section method: making polyalcohol, polyisocyanates, compound and surface-functionalized boron nitride hybrid reaction shown in formula (I), then plus
Enter chain extender reaction and performed polymer is made, NCO content is 2-5% in gained performed polymer after control reaction, by gained performed polymer and surplus
Remaining raw material is mixed and made into the water-repellent paint.
7. one pack system root-resistant puncturing water-repellent paint according to claim 1, which is characterized in that described in terms of mass fraction
In raw material, 5-10 parts of polyisocyanates, 20-30 parts of polyalcohol, 0.5-2 parts of compound, surface-functionalized boron nitride shown in formula (I)
0.5-3 parts, 1-5 parts of chain extender, 1-5 parts of amino latent curing agent, 25-45 parts of filler, 5-15 parts of plasticizer, catalyst 0.1-1
Part, 0-1 parts of defoaming agent.
8. one pack system root-resistant puncturing water-repellent paint according to claim 7, which is characterized in that the polyalcohol is selected from poly-
At least one of pure and mild polyether-tribasic alcohol of ether dihydric alcohol, polyester binary；And/or the polyisocyanates is selected from two isocyanides
One of acid esters and its performed polymer, triisocyanate and its performed polymer or a variety of combinations；The filler is selected from gas phase two
Silica, crystal whisker of gypsum, nanometer calcium carbonate, nano aluminum nitride, nm-class boron nitride, nano boric acid aluminium, coarse whiting, talcum powder, light calcium,
One of kaolin and wollastonite in powder or a variety of combinations；The plasticizer be selected from DINP, DIDP, chlorinated paraffin, oneself two
At least one of sour dibutyl ester, glycol benzoate, trioctyl phosphate and phenyl alkylsulf；The defoaming agent is poly- silicon oxygen
One of alkane defoaming agent or silicone defoaming agent, calcium oxide, magnesia and calcium hydroxide or a variety of combinations；The catalysis
Agent be selected from dibutyl tin dilaurate, stannous octoate, the non-butyl tin catalyst of environmental protection, bismuth carboxylate class catalyst, zinc naphthenate,
At least one of pentamethyldipropylenetriamine, tetramethylethylenediamine, double morpholine classes.
9. one pack system root-resistant puncturing water-repellent paint according to claim 1 or claim 7, which is characterized in that the chain extender is choosing
From clearlink 1000,7027 and of clearlink3000, jefflink754, jefflink555, jefflink
The combination of one or more of jeffamin HK-511；And/or the amino latent curing agent is selected from latent curing agent
401, one of latent curing agent 402 and latent curing agent 403 or a variety of combinations.
10. the preparation method of one pack system root-resistant puncturing water-repellent paint described in a kind of any one of claim 1-9 claim,
It is characterized in that, the preparation method includes the following steps:
(1) polyalcohol, surface-functionalized boron nitride are dehydrated to 0.05% or less under vacuum conditions；
(2) polyalcohol, surface-functionalized boron nitride and polyisocyanates, formula (I) shownization after will be dry obtained by step (1)
Object hybrid reaction is closed, chain extender reaction is then added, until NCO content reaches setting value in reactant, stops reaction, is made pre-
Aggressiveness, the setting value are 2-5%；
(3) performed polymer obtained by step (2) and surplus stock are mixed and made into the one pack system root-resistant puncturing water-repellent paint.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110103416.6A CN112876978B (en) | 2019-08-02 | 2019-08-02 | Preparation method of single-component root-puncture-resistant waterproof coating |
| CN201910712610.7A CN110499096B (en) | 2019-08-02 | 2019-08-02 | Single-component root-puncture-resistant waterproof coating and preparation method thereof |
| PCT/CN2020/097720 WO2021022925A1 (en) | 2019-08-02 | 2020-06-23 | Single-component root puncture resistant waterproof paint and preparation method therefor |
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| CN201910712610.7A CN110499096B (en) | 2019-08-02 | 2019-08-02 | Single-component root-puncture-resistant waterproof coating and preparation method thereof |
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| CN202110103416.6A Division CN112876978B (en) | 2019-08-02 | 2019-08-02 | Preparation method of single-component root-puncture-resistant waterproof coating |
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| CN110499096B CN110499096B (en) | 2021-01-05 |
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| WO2021022925A1 (en) * | 2019-08-02 | 2021-02-11 | 江苏凯伦建材股份有限公司 | Single-component root puncture resistant waterproof paint and preparation method therefor |
| CN117946582A (en) * | 2023-12-25 | 2024-04-30 | 福建科顺新材料有限公司 | Composition for polyurethane coating, application of composition, polyurethane coating and preparation method of polyurethane coating |
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| CN110499096B (en) | 2021-01-05 |
| CN112876978B (en) | 2021-12-24 |
| CN112876978A (en) | 2021-06-01 |
| WO2021022925A1 (en) | 2021-02-11 |
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