CN107629655A - A kind of supporting varnish of large arch dam environment-friendly and high-performance and preparation method thereof - Google Patents
A kind of supporting varnish of large arch dam environment-friendly and high-performance and preparation method thereof Download PDFInfo
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- CN107629655A CN107629655A CN201710917044.4A CN201710917044A CN107629655A CN 107629655 A CN107629655 A CN 107629655A CN 201710917044 A CN201710917044 A CN 201710917044A CN 107629655 A CN107629655 A CN 107629655A
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Abstract
The present invention relates to a kind of supporting varnish of large arch dam environment-friendly and high-performance and preparation method thereof, described supporting varnish includes three kinds of matching used large arch dam environment-friendly and high-performance varnish, curing agent and diluent components, wherein, described large arch dam environment-friendly and high-performance varnish includes the component of following parts by weight：50 80 parts of hydroxypropyl acid resin, 10 30 parts of solvent, 2 10 parts of auxiliary agent；Described curing agent includes the component of following parts by weight：60 80 parts of hexamethylene diisocyanate class solidifying substance, 30 40 parts of solvent；Described diluent is the solvent of 100% content.Compared with prior art, the large arch dam environment-friendly and high-performance varnish-drying speed of the present invention is especially fast, it need not toast, typically spray and dried 1.5 hours and can polish immediately, effect is especially good, it is particularly suitable for running repair, the full wafer repairing of medium-to-high grade automobile, meets current car refinishing paint peak efficiency repairing demand.
Description
Technical field
The present invention relates to coating preparation field, more particularly, to a kind of supporting varnish of large arch dam environment-friendly and high-performance and its preparation
Method.
Background technology
Car refinishing paint refers to the paint that repairing again is carried out to body of a motor car genuine paint as its name suggests.It is generally referred to
The spray metal base coat on floating coat, dodge after doing and spray coating varnish at once, dry together.In the application of car refinishing paint
In, generally require to dry for a period of time after varnish japanning, can just carry out the processing such as polishing of latter step, therefore varnish after the drying
Rate of drying often influence the operating efficiency of car repair, the time required to it determines auto repair.Coating varnish simultaneously
Last one of paint film as car repair gives visual impression, decides the outward appearance of car refinishing paint composite coating and durable
Property.
The current main product of car refinishing paint industry is essentially all solvent-borne type at home, excessive using process suction
Solvent can cause the discomfort of user, requirement of the present people to living environment gradually steps up, and country has new to environmental protection
Standard VOC content is 420g/L.
In addition, body of a motor car scribbles coast of paint film, protection and decorative effect is played, but paint often occurs in use
The impaired phenomenon of film.At this moment car owner needs to be put into repair shop sprays again, be the characteristics of automobile repairing paint from it is dry, quickly repair
Mend, easily toning；Car refinishing paint is had evolved into as an independence as part essential in automobile maintenance
Industry.Car refinishing paint is different from familiar original factory of vehicle paint, and it needs to match with a variety of colors of automobile, constructs
During be able to can also be toasted from dry, the paint film after reparation construction is with former lacquer painting in each side such as color, richness, gloss, durability
Face must be consistent, to repair not trace.Car refinishing paint is general all more than 3 hours at present, when carrying out car repair, nothing
Method meets the needs in 1-2 hours Nei Tiche.
Chinese patent ZL201210480381.9 discloses a kind of environment-friendlywater-based water-based double-component automobile refinishing paint varnish and its system
Preparation Method, it includes following components and weight percentage：Component A：Water-base resin 50~70%, aqueous defoamer 0.1~
2.0%, water-based thickener 0.5~4.0%, aqueous levelling agent 1~3%, cosolvent 1~8%, the He of aqueous wetting agent 0.1~2%
Deionized water 2~10%；B component：Water-based polyisocyanate ester dispersion 15%~25%, solvent 2%~7%.Though above-mentioned solvent
So there is preferable environment-friendly type and low VOC content, but the defects of volatile still with solvent-based varnishes.Of the invention is exactly to be
Meet above-mentioned national new standard and propose.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of environmental protection of large arch dam is high
Supporting varnish of performance and preparation method thereof.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of supporting varnish of large arch dam environment-friendly and high-performance, including matching used large arch dam environment-friendly and high-performance varnish, solidification
Three kinds of components of agent and diluent, wherein,
Described large arch dam environment-friendly and high-performance varnish includes the component of following parts by weight：Hydroxypropyl acid resin 50-80
Part, solvent 10-30 parts, auxiliary agent 2-10 parts；
Described curing agent includes the component of following parts by weight：Hexa-methylene-diisocyanates solidifying substance 60-80
Part, solvent 30-40 parts；
Described diluent is the solvent of 100% content.
Preferably, mass ratio when described large arch dam environment-friendly and high-performance varnish, curing agent and diluent use is 2:1:
0.2。
Preferably, described hydroxypropyl acid resin is selected from 7480 model resins of Shanghai Hong Ke Chemical Co., Ltd.s, sea
It is bright this Hypomer FS-4080F, Nuplex 91753 SS-60 (the new low VOC with Niu Peisi cooperative research and development, quick-drying tree
Fat) or the SS-70 of Nuplex 1753 in one or more of combinations.
Preferably, described solvent is acetone, methyl amyl ketone, propylene glycol methyl ether acetate, butyl acetate or dimethylbenzene
In one or more of combinations.
It is furthermore preferred that solvent in described large arch dam environment-friendly and high-performance varnish includes acetone, methyl amyl ketone and the third two
Three kinds of alcohol methyl ether acetate；
Solvent in described curing agent includes two kinds of butyl acetate and methyl amyl ketone；
Solvent in described diluent includes three kinds of dimethylbenzene, butyl acetate and propylene glycol methyl ether acetate.
Preferably, described auxiliary agent includes drier, levelling agent and ultra-violet absorber, wherein,
Drier is drier T12, levelling agent be selected from BASF Efka FL 3777, TEGO WET KT 245 or BYK-
One or more of combinations in 331, ultra-violet absorber are D-BASF TINUVIN 384-2, D-BASF TINUVIN 123
One or both of combination.
Preferably, described hexa-methylene-diisocyanates solidifying substance be D-BASF Basonat HI 190,
One or more of combinations in DESMODUR N 3900 or DESMODUR N 3400.
The supporting varnish preparation method of large arch dam environment-friendly and high-performance, preferably includes following steps：
(1) Hydroxylated acrylic resin and solvent, mixing are added by formula ratio, then adds auxiliary agent while stirring, be uniformly dispersed
Afterwards, that is, the large arch dam environment-friendly and high-performance varnish is obtained；
(2) hexa-methylene-diisocyanates solidifying substance and solvent are added by formula ratio, be uniformly dispersed, that is, obtained described
Curing agent；
(3) solvent is added by formula ratio, is uniformly dispersed, that is, obtains the diluent.
The present invention has the characteristics that for car refinishing paint to the demand of large arch dam varnish：1, large arch dam, meet country
Standard regulation VOC ＜ 420g/L；2, rate of drying is fast；3, have good workability, spray drying applies thickness in 50-60 microns, heat rash appears,
Bubble, pin hole.Specific design process is：
1), VOC ＜ 420g/L, the resin used in of the invention, 7480 model resins of Hong Ke Chemical Co., Ltd.s or sea
This bright Hypomer FS-4080F, resin solid content are 80% high-solid lower-viscosity resin, large arch dam varnish are individually made, to it
Found after detection, be diluted to and apply -4 glasss of 18-20 seconds, spraying solid content can be more than 60%, and (Shang Tu institutes examine VOC in 370g/L
Survey, report W201604198), and the SS-60 of Nuplex 91753 or the SS-70 of Nuplex 1753 resin solid content are about
60% or so, it can individually make large arch dam varnish, be diluted to apply -4 glasss of 18-20 seconds, spraying solid content can more than 50%,
VOC in 470g/L, (detect, report W201504121, it is possible to " high-solid lower-viscosity " resin of solid content 80% by Shang Tu institutes
Spell and use with " low VOC heat setting vresins " resin of solid content 60%, accomplish VOC ＜ 420, take into account the quick-drying demand of mending paint industry.
2), rate of drying is fast, because car repair industry, without toasting after usual lacquer varnish, but naturally dry,
Conventional varnish flash-off time is 3 hours, and large arch dam varnish flash-off time is 5-6 hours, and the present invention has found by allotment, using base
In the new low VOC heat setting vresins such as the SS-60 of Nuplex 91753 or Nuplex 1753 SS-70 with Niu Peisi cooperative research and development
Spelled with " high-solid lower-viscosity " resin of solid content 80% after using, obtained car repair VOC ＜ 420g/L large arch dam varnish, together
When flash-off time be changed into 1.5-2 hours of adequate operation.
3), spray drying applies thickness in 50-60 microns, and heat rash appears, bubble, pin hole, it has been investigated that, spraying height is measured high admittedly
Varnish, it is easy to which in film forming procedure is sprayed, small bubble can be remained in film, conventionally used defoamer, to promote
The release of bubble, the characteristics of due to the compatibility difference of defoamer and resin, but it frequently can lead to the film disadvantage such as pit, volcanic crater
Disease.The present invention uses two kinds of resins of molecular weight difference to spell and used, and the formation of active is nisi miscible (microcosmic above or in the presence of not
Identical phase), so as in film forming procedure is sprayed, promote the release of bubble, the high effect of thickness can be sprayed by reaching.
Relative to usual vehicle type varnish, Shanghai letter section -7480 used in large arch dam environment-friendly and high-performance varnish of the invention,
The Hydroxylated acrylic resins of the models such as this SS-60 of HYPOmer FS-4080F, Nuplex 91753 of hamming is solid containing height, hardly possible volatilization,
The high and low VOC of gloss, VOC content meet national standard, while using D-BASF Basonat HI 190, DESMO DUR N
3900th, DESMO DUR N 3400 etc. are made curing agent and arranged in pairs or groups, compared to common existing large arch dam varnish, varnish of the invention
After curing agent collocation spraying, paint film is smooth full, and for paint film thickness without sagging, adhesive force is good, rate of drying is fast, is not required to toast
And flash-off time can polish immediately at 1.5 hours or so, while the high performance such as also excellent solvent resistant, chemical resistance.
Compared with prior art, the present invention has advantages below：
(1) not volatile material is used, makes product that there is low VOC, has to the personnel during production and use good
Good protective effect；
(2) relative to usual vehicle type varnish, the present invention is fast with high thickness, low volatilization, high glaze, rate of drying, no
It need to toast and directly dry 1.5 hours and can polish, the high performance such as also excellent solvent resistant, chemical resistance.
Embodiment
With reference to specific embodiment, the present invention is described in detail.
A kind of supporting varnish of large arch dam environment-friendly and high-performance, including matching used large arch dam environment-friendly and high-performance varnish, solidification
Three kinds of components of agent and diluent, wherein,
Described large arch dam environment-friendly and high-performance varnish includes the component of following parts by weight：Hydroxypropyl acid resin 50-80
Part, solvent 10-30 parts, auxiliary agent 2-10 parts；
Described curing agent includes the component of following parts by weight：Hexa-methylene-diisocyanates solidifying substance 60-80
Part, solvent 30-40 parts；
Described diluent is the solvent of 100% content.
As a kind of preferable embodiment, described large arch dam environment-friendly and high-performance varnish, curing agent and diluent make
The mass ratio of used time is 2:1:0.2.
As a kind of preferable embodiment, described hydroxypropyl acid resin is selected from Shanghai Hong Ke Chemical Co., Ltd.s
7480 model resins, hamming this SS-60 of Hypomer FS-4080F or Nuplex 91753 (in it is one or more of
Combination.
As a kind of preferable embodiment, described solvent is acetone, methyl amyl ketone, propylene glycol monomethyl ether acetic acid
One or more of combinations in ester, butyl acetate or dimethylbenzene.It is furthermore preferred that in described large arch dam environment-friendly and high-performance varnish
Solvent include three kinds of acetone, methyl amyl ketone and propylene glycol methyl ether acetate；
Solvent in described curing agent includes two kinds of butyl acetate and methyl amyl ketone；
Solvent in described diluent includes three kinds of dimethylbenzene, butyl acetate and propylene glycol methyl ether acetate.
As a kind of preferable embodiment, described auxiliary agent includes drier, levelling agent and ultra-violet absorber, its
In, drier is drier T12, and levelling agent is in BASF Efka FL 3777, TEGO WET KT 245 or BYK -331
One or more of combinations, ultra-violet absorber are one in D-BASF TINUVIN 384-2, D-BASF TINUVIN 123
Kind or two kinds of combination.
As a kind of preferable embodiment, described hexa-methylene-diisocyanates solidifying substance is D-BASF
One or more of combinations in Basonat HI 190, DESMODUR N 3900 or DESMODUR N 3400.
The supporting varnish preparation method of large arch dam environment-friendly and high-performance, preferably includes following steps：
(1) Hydroxylated acrylic resin and solvent, mixing are added by formula ratio, then adds auxiliary agent while stirring, be uniformly dispersed
Afterwards, that is, the large arch dam environment-friendly and high-performance varnish is obtained；
(2) hexa-methylene-diisocyanates solidifying substance and solvent are added by formula ratio, be uniformly dispersed, that is, obtained described
Curing agent；
(3) solvent is added by formula ratio, is uniformly dispersed, that is, obtains the diluent.
Embodiment 1
A kind of supporting varnish composition of large arch dam environment-friendly and high-performance is (each composition is parts by weight, similarly hereinafter) as follows：
Large arch dam environment-friendly and high-performance varnish forms：
Large arch dam environment-friendly and high-performance varnish curing agent forms：
Large arch dam environment-friendly and high-performance varnish diluent forms：
Preparation technology is as follows with method of testing：
(1) by above-mentioned large arch dam environment-friendly and high-performance varnish, curing agent and diluent in mass ratio 2:1:0.2, collocation uses；
It is (attached：Curing agent immediately tightens cover after being finished, and can be failed because curing agent runs into humid air or water, the coating mixed up can not
Refund former tank and mixed with the stoste do not adjusted)
(2) the supporting varnish of large arch dam environment-friendly and high-performance is sprayed on the tinplate of lustful paint, after drying 1.5 hours
Survey whether it can polish, test its outward appearance, adhesive force, impact resistance, pliability, resistance to gasoline, solvent resistant and resistant to chemical etching
Property is (attached：Tinplate is polished through 600#3M sand paper, then sprays colored paint)
Its measured performance is as follows：
It was found from from above-mentioned detection, volatile materials is less in large arch dam environment-friendly and high-performance varnish components of the invention, right
The harm of health and environment is smaller, and VOC content is in the range of national standard.The varnish has rate of drying fast simultaneously, dries 1.5
Hour can polish.There are good good pliability, high rigidity, adhesive force, shock strength, water resistance, resistance to acids and bases, resistance to gasoline
Property, salt fog resistance.
Embodiment 2
A kind of supporting varnish composition of large arch dam environment-friendly and high-performance is as follows：
Large arch dam environment-friendly and high-performance varnish forms：
Curing agent forms：
Diluent forms：
(1) by above-mentioned large arch dam environment-friendly and high-performance varnish, curing agent and diluent in mass ratio 2:1:0.2 collocation uses.
It is (attached：Curing agent immediately tightens cover after being finished, and can be failed because curing agent runs into humid air or water, the coating mixed up can not
Refund former tank and mixed with the stoste do not adjusted)
(2) large arch dam environment-friendly and high-performance varnish is sprayed on the tinplate of lustful paint, it is surveyed after drying 1.5 hours
Whether can polish, test its outward appearance, adhesive force, impact resistance, pliability, resistance to gasoline, solvent resistant and chemical resistance
It is (attached：Tinplate is polished through 600#3M sand paper, then sprays colored paint)
Its measured performance is as follows：
It was found from from above-mentioned detection, volatile materials is less in large arch dam environment-friendly and high-performance varnish components of the invention, right
The harm of health and environment is smaller, and VOC content is in the range of national standard.The varnish has rate of drying fast simultaneously, dries 1.5
Hour can polish.There are good good pliability, high rigidity, adhesive force, shock strength, water resistance, resistance to acids and bases, resistance to gasoline
Property, salt fog resistance.
Embodiment 3
A kind of supporting varnish composition of large arch dam environment-friendly and high-performance is as follows：
Large arch dam environment-friendly and high-performance varnish forms：
Curing agent forms：
Diluent forms：
(1) by above-mentioned large arch dam environment-friendly and high-performance varnish, curing agent and diluent according to mass ratio 2:1:0.2 collocation makes
With.It is (attached：Curing agent immediately tightens cover after being finished, and can be failed because curing agent runs into humid air or water, the coating mixed up is not
Former tank can be refunded and mixed with the stoste do not adjusted)
(2) the supporting varnish of large arch dam environment-friendly and high-performance is sprayed on the tinplate of lustful paint, after drying 1.5 hours
Survey whether it can polish, test its outward appearance, adhesive force, impact resistance, pliability, resistance to gasoline, solvent resistant and resistant to chemical etching
Property is (attached：Tinplate is polished through 600#3M sand paper, then sprays colored paint)
Its measured performance is as follows：
It was found from from above-mentioned detection, volatile materials is less in large arch dam environment-friendly and high-performance varnish components of the invention, right
The harm of health and environment is smaller, and VOC content is in the range of national standard.The varnish has rate of drying fast simultaneously, dries 1.5
Hour can polish.There are good good pliability, high rigidity, adhesive force, shock strength, water resistance, resistance to acids and bases, resistance to gasoline
Property, salt fog resistance.
Large arch dam environment-friendly and high-performance varnish VOC of the invention described in upper three cases meets national standard eventually, than common
Existing large arch dam varnish-drying speed is fast, is not required to baking and flash-off time is short to polish immediately, and it is medium-to-high grade to be that one kind is particularly suitable for
Running repair, the full wafer repairing of automobile, and current car refinishing paint peak efficiency repairing demand can be met.
Embodiment 4
Compared with Example 1, in addition to the SS-60 of Nuplex 91753 are changed to the SS-70 of Nuplex 1753, remaining is homogeneous
Sample.
Its properties of product testing result is as follows.
Embodiment 5
Compared with Example 1, in being formed except large arch dam environment-friendly and high-performance varnish：The SS-60 of Nuplex 91753 are 45
Part, for 25 especially, remaining is for Shanghai letter section -7480.
Embodiment 6
Compared with Example 1, in being formed except large arch dam environment-friendly and high-performance varnish：Outside without Shanghai letter section -7480, remaining
.
Embodiment 7
Compared with Example 1, in being formed except large arch dam environment-friendly and high-performance varnish：Acetone is 2 parts, methyl amyl ketone 4
Part, for 4 especially, remaining is for propylene glycol methyl ether acetate.
Embodiment 8
Compared with Example 1, in being formed except large arch dam environment-friendly and high-performance varnish：Acetone is 6 parts, methyl amyl ketone 12
Part, for 12 especially, remaining is for propylene glycol methyl ether acetate.
Embodiment 9
Compared with Example 1, in being formed except large arch dam environment-friendly and high-performance varnish：Drier T12 is 1 part, levelling agent
TEGO WET KT 245, levelling agent BYK -331, levelling agent BASF Efka FL 3777, ultra-violet absorber D-BASF 123
It is that 0.2 especially, remaining is with ultra-violet absorber D-BASF 384-2.
Embodiment 10
Compared with Example 1, in being formed except large arch dam environment-friendly and high-performance varnish：Drier T12 is 7 parts, levelling agent
TEGO WET KT 245, levelling agent BYK -331, levelling agent BASF Efka FL 3777, ultra-violet absorber D-BASF 123
It is that 0.6 especially, remaining is with ultra-violet absorber D-BASF 384-2.
Embodiment 11
Compared with Example 1, in being formed except large arch dam environment-friendly and high-performance varnish：Levelling agent only includes levelling agent TEGO
Especially, remaining is by WET KT 245 1.0.
Embodiment 12
Compared with Example 1, in being formed except large arch dam environment-friendly and high-performance varnish：Ultra-violet absorber only includes ultraviolet
Especially, remaining is by absorbent D-BASF 123 1.0.
Embodiment 13
Compared with Example 1, in being formed except curing agent：65 parts of D-BASF Basonat HI 190 replace with 40 parts of D-
Outside BASF Basonat HI 190 and 20 parts of DESMODUR N 3900, remaining is.
Embodiment 14
Compared with Example 1, in being formed except curing agent：65 parts of D-BASF Basonat HI 190 replace with 40 parts of D-
Outside BASF Basonat HI 190,20 parts of DESMODUR N 3900 and 20 parts of DESMODUR N 3400, remaining is.
Embodiment 15
Compared with Example 1, in being formed except curing agent：D-BASF Basonat HI 190 addition replaces with 75
Especially, remaining is.
Embodiment 16
Compared with Example 1, in being formed except curing agent：Butyl acetate is 20 parts, methyl amyl ketone be 10 especially, remaining
.
Embodiment 17
Compared with Example 1, in being formed except curing agent：Butyl acetate is 25 parts, methyl amyl ketone be 15 especially, remaining
.
Embodiment 18
Compared with Example 1, in being formed except large arch dam environment-friendly and high-performance varnish：The SS-60 of Nuplex 91753 are 35
Part, for 15 especially, remaining is for Shanghai letter section -7480.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using invention.
Person skilled in the art obviously can easily make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without by performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
Field technique personnel do not depart from improvement that scope made and modification all should be the present invention's according to the announcement of the present invention
Within protection domain.
Claims (10)
1. a kind of supporting varnish of large arch dam environment-friendly and high-performance, it is characterised in that including matching used large arch dam environment-friendly and high-performance
Three kinds of varnish, curing agent and diluent components, wherein,
Described large arch dam environment-friendly and high-performance varnish includes the component of following parts by weight：Hydroxypropyl acid resin 50-80 parts are molten
Agent 10-30 parts, auxiliary agent 2-10 parts；
Described curing agent includes the component of following parts by weight：Hexa-methylene-diisocyanates solidifying substance 60-80 parts, it is molten
Agent 30-40 parts；
Described diluent is the solvent of 100% content.
A kind of 2. supporting varnish of large arch dam environment-friendly and high-performance according to claim 1, it is characterised in that described large arch dam
Mass ratio when environment-friendly and high-performance varnish, curing agent and diluent use is 2:1:0.2.
A kind of 3. supporting varnish of large arch dam environment-friendly and high-performance according to claim 1, it is characterised in that described hydroxyl third
Base acid resin be selected from 7480 model resins of Shanghai Hong Ke Chemical Co., Ltd.s, hamming this Hypomer FS-4080F,
One or more of combinations in the SS-60 of the Nuplex 91753 or SS-70 of Nuplex 1753.
4. a kind of supporting varnish of large arch dam environment-friendly and high-performance according to claim 1, it is characterised in that described solvent is
One or more of combinations in acetone, methyl amyl ketone, propylene glycol methyl ether acetate, butyl acetate or dimethylbenzene.
A kind of 5. supporting varnish of large arch dam environment-friendly and high-performance according to claim 4, it is characterised in that described large arch dam
Solvent in environment-friendly and high-performance varnish includes three kinds of acetone, methyl amyl ketone and propylene glycol methyl ether acetate.
A kind of 6. supporting varnish of large arch dam environment-friendly and high-performance according to claim 4, it is characterised in that described curing agent
In solvent include two kinds of butyl acetate and methyl amyl ketone.
A kind of 7. supporting varnish of large arch dam environment-friendly and high-performance according to claim 4, it is characterised in that described diluent
In solvent include three kinds of dimethylbenzene, butyl acetate and propylene glycol methyl ether acetate.
A kind of 8. supporting varnish of large arch dam environment-friendly and high-performance according to claim 1, it is characterised in that described auxiliary agent bag
Drier, levelling agent and ultra-violet absorber are included, wherein,
Drier is drier T12, and levelling agent is in BASF Efka FL 3777, TEGO WET KT 245 or BYK -331
One or more of combinations, ultra-violet absorber be D-BASF TINUVIN 384-2, D-BASF TINUVIN 123 in
One or two kinds of combinations.
A kind of 9. supporting varnish of large arch dam environment-friendly and high-performance according to claim 1, it is characterised in that six described methylenes
Base-diisocyanates solidifying substance is D-BASF Basonat HI 190, DESMODUR N 3900 or DESMODUR N 3400
In one or more of combinations.
10. the supporting varnish preparation method of large arch dam environment-friendly and high-performance as described in claim 1-9 is any, it is characterised in that bag
Include following steps：
(1) Hydroxylated acrylic resin and solvent, mixing are added by formula ratio, then adds auxiliary agent while stirring, after being uniformly dispersed, i.e.,
Obtain the large arch dam environment-friendly and high-performance varnish；
(2) hexa-methylene-diisocyanates solidifying substance and solvent are added by formula ratio, is uniformly dispersed, that is, obtains the solidification
Agent；
(3) solvent is added by formula ratio, is uniformly dispersed, that is, obtains the diluent.
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| CN109401585A (en) * | 2018-09-30 | 2019-03-01 | 湖北零柒实业有限责任公司 | A kind of military button coating |
| CN109722156A (en) * | 2018-12-28 | 2019-05-07 | 东来涂料技术（上海）股份有限公司 | A kind of quick-dry type car refinishing paint bloom varnish and preparation method thereof |
| CN111253857A (en) * | 2020-03-27 | 2020-06-09 | 河南东澳化工有限公司 | High-solid-content low-VOC (volatile organic compound) super-curing finishing varnish and preparation method thereof |
| CN115537082A (en) * | 2022-09-29 | 2022-12-30 | 上海金力泰化工股份有限公司 | High-filling-property high-solid-content transparent coating for composite material and preparation method thereof |
| CN116102966A (en) * | 2023-03-09 | 2023-05-12 | 双塔涂料科技有限公司 | High-solid-content passenger car middle paint capable of being sprayed with finishing paint in wet-on-wet mode and preparation method thereof |
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| CN102277056A (en) * | 2011-07-26 | 2011-12-14 | 东来涂料技术（上海）有限公司 | Environment-friendly and high-solid content vernix and preparation method thereof |
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