CN107793903A - A kind of coating composition and its application for being used to repair rubber floor covering cloth - Google Patents
A kind of coating composition and its application for being used to repair rubber floor covering cloth Download PDFInfo
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- CN107793903A CN107793903A CN201710880777.5A CN201710880777A CN107793903A CN 107793903 A CN107793903 A CN 107793903A CN 201710880777 A CN201710880777 A CN 201710880777A CN 107793903 A CN107793903 A CN 107793903A
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- polyurethane
- agent
- base coat
- dual
- varnish
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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
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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
- C08K3/18—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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
This application provides a kind of coating composition and its application for being used to repair rubber floor covering cloth, the coating includes monocomponent polyurethane base coat and dual-component polyurethane varnish；Monocomponent polyurethane base coat includes：20~40% self-crosslinkable polyurethane resins；10~20% Hydroxylated acrylic resins；10~20% titanium dioxides；5~10% functional fillers；10~15% solvents；0~15% auxiliary agent；Tinting paste；Dual-component polyurethane varnish includes flexible polyurethane resin, hydroxyl acrylic aqueous dispersion and isocyanate curing agent.Painting design of the present invention has good overall flexibility, excellent outer surface wearability and ageing-resistant performance, good ply adhesion and the good matching with rubber floor covering cloth.Rubber floor covering cloth is repaired using the coating composition, reaches the effect of apparent renovation, avoid because change floor cloth and caused by tool car tear open journey expand, the time between overhauls(TBO) extend and because change floor cloth and caused by waste.
Description
Technical field
The present invention relates to rubber floor covering cloth technical field, more particularly to a kind of Coating material composition for being used to repair rubber floor covering cloth
Thing and its application.
Background technology
Development and new diseases with passenger train, to passenger train floor cloth no matter in internal performance, also
It is that appearance color decorative pattern and comfortableness, durability etc. are proposed higher requirement.Wherein, compared to traditional polychlorostyrene
Ethene (PVC) plastic floor, rubber floor covering cloth has the characteristics that good integrity, elasticity is comfortable, wearability is superior, can meet railway
The needs of car development.
Rubber floor covering is that various compounding ingredients are added in rubber, by technique machine-shapings such as mixings.According in railway passenger
Under car operation state, in-car rubber floor covering cloth can form cut, weather stain, loss of gloss, even have damage hole point etc., serious shadow
Ring the visual effect of passenger.Particularly officer's car, very high is required to the decorative effect of in-car, each repair in shop, section, which are repaiied, to be required to examine
Repair.It is general in the past to be repaired using section changing by the way of rubber floor covering cloth, but this can form the aberration of new and old floor cloth, and because
Changing needs to remove in-car parts, wallboard etc., adds maintenance workload and time between overhauls(TBO), or even can be made because of replacing
Cheng Geng great maintenance content, while will also result in the waste of floor cloth material.
The content of the invention
In view of this, the application provides a kind of coating composition and its application for being used to repair rubber floor covering cloth, using this
The coating composition provided is provided, rubber floor covering cloth can be quickly and conveniently repaired, reach the effect of apparent renovation, avoid floor
The waste of cloth material.
The present invention provide it is a kind of be used to repairing the coating composition of rubber floor covering cloth, including monocomponent polyurethane base coat and
Dual-component polyurethane varnish；
The monocomponent polyurethane base coat includes：20~40wt% self-crosslinkable polyurethane resin；10~20wt%'s
Hydroxylated acrylic resin；10~20wt% titanium dioxide；5~10wt% functional filler；10~15wt% solvent；0~
15wt% auxiliary agent；And tinting paste；
The dual-component polyurethane varnish includes：Flexible polyurethane resin, hydroxyl acrylic aqueous dispersion and isocyanates are consolidated
Agent.
Preferably, the average grain diameter of the functional filler is 0.01~1 micron；The functional filler may be selected from talcum
One or more in powder, calcium carbonate, barium sulfate, silica and aluminum oxide.
Preferably, one or more of the solvent in aromatic hydrocarbon solvent, ketones solvent and esters solvent.
Preferably, the auxiliary agent be selected from dispersant, levelling agent, defoamer, anti-settling agent, UV absorbers, light stabilizer,
One or more in floating preventing agent, sagging preventing agent.
Preferably, the auxiliary agent includes：0.6~1.2wt% dispersant；0.5~2wt% carbon black；0.2~
0.5wt% levelling agent；0.1~0.3wt% defoamer；0.3~0.5wt% anti-settling agent；0.5~1.5wt%'s is ultraviolet
Light absorber；0.5~1.5wt% light stabilizer.
Preferably, in the dual-component polyurethane varnish, isocyanate curing agent dosage makes rubbing for hydroxyl and isocyanate group
You are than being 1.05/1~1.3/1.
Preferably, the dual-component polyurethane varnish also includes inorganic filler, and the inorganic filler is selected from aluminum oxide and two
One or more in silica.
The present invention provides a kind of restorative procedure of rubber floor covering cloth, comprises the following steps：
Coating decoration is carried out to rubber floor covering cloth to be repaired using monocomponent polyurethane base coat, dried；
After the drying, using dual-component polyurethane varnish to application is applied again on the rubber floor covering cloth constructed
Work, dry, the rubber floor covering cloth repaired；
The monocomponent polyurethane base coat includes：20~40wt% self-crosslinkable polyurethane resin；10~20wt%'s
Hydroxylated acrylic resin；10~20wt% titanium dioxide；5~10wt% functional filler；10~15wt% solvent；0~
15wt% auxiliary agent；And tinting paste；
The dual-component polyurethane varnish includes：Flexible polyurethane resin, hydroxyl acrylic aqueous dispersion and isocyanates are consolidated
Agent.
Preferably, the monocomponent polyurethane base coat dosage is 150~200g/m2；The dual-component polyurethane varnish
Dosage is 100~150g/m2。
Preferably, the monocomponent polyurethane base coat and dual-component polyurethane varnish are independently in the ring not less than 15 DEG C
More than 9h is dried in border.
Coating composition provided by the invention includes：Monocomponent polyurethane base coat and dual-component polyurethane varnish.Relatively
Ying Di, painting design involved in the present invention are divided into priming coat, layer of varnish, are formed from good flexible each coating
Elastic painting design, using the deformation in use of the recoverable deformation buffer rubber floor covering cloth of system and stress, it is allowed to
The basically identical entirety of modulus of elasticity is formed, so as to repair rubber floor covering cloth.Painting design involved in the present invention has good
Overall flexibility, excellent outer surface wearability, remarkable ageing-resistant performance, good ply adhesion and with rubber
The good matching of plate cloth, wherein painting design ageing-resistant performance can reach 3000h, exceed well over the 1000h of conventional coating.Using
Coating composition provided by the invention is repaired to rubber floor covering cloth, the construction technology that the present invention relates to is easy, it is ripe,
It is feasible, by brushing elastic coating on the basis of original floor cloth, reach the effect of apparent renovation, avoid because changing floor cloth
Tool car caused by and tear open journey expand, the time between overhauls(TBO) extend and because change floor cloth and caused by waste.Pass through the technology
Using the present invention can quickly, easily meet the reparation of public affair vehicle overhauling rubber floor covering cloth.
Brief description of the drawings
Fig. 1 is the film forming procedure schematic diagram of water-based monocomponent polyurethane paint in the embodiment of the present invention；
Fig. 2 is the technological process of production schematic diagram of base coat of the embodiment of the present invention or varnish；
Fig. 3 is double-component waterborne polyurethane film forming procedure schematic diagram in the embodiment of the present invention；
Fig. 4 is the protection situation at non-application position in the embodiment of the present invention；
Fig. 5 is the protection situation of floor cloth joint in the embodiment of the present invention；
Fig. 6 is polished in embodiment grinding state and the dried polishing state of base coat；
Fig. 7 is the effect state after varnish construction in embodiment；
Fig. 8 is the contrast situation in kind before and after application in embodiment；
Fig. 9 is folding mode result of the test situation in embodiment；
Figure 10 is hammer mode result of the test situation in embodiment.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
The invention provides a kind of coating composition for being used to repair rubber floor covering cloth, including monocomponent polyurethane base coat
And dual-component polyurethane varnish；
The monocomponent polyurethane base coat includes：20~40wt% self-crosslinkable polyurethane resin；10~20wt%'s
Hydroxylated acrylic resin；10~20wt% titanium dioxide；5~10wt% functional filler；10~15wt% solvent；0~
15wt% auxiliary agent；And tinting paste；
The dual-component polyurethane varnish includes：Flexible polyurethane resin, hydroxyl acrylic aqueous dispersion and isocyanates are consolidated
Agent.
The present invention is by the way that from preferable flexible elastic coating coating, composition has the elasticity painting of excellent ply adhesion
Dress system, available for the reparation of rubber floor covering cloth, quickly and conveniently reach the effect of apparent renovation.
Coating composition provided by the invention includes monocomponent polyurethane base coat, and it forms priming coat.The one-component
Polyurethane base coat includes self-crosslinkable polyurethane resin；Common polyurethane film-forming mechanism and film forming procedure include：Stowing operation：
Solvent volatilizees, and particle phase is adjacent to each other and reaches intensive filling state；Fusion process：Microparticle surfaces damage layer, particle phase mutual connection
Touch；Diffusion process：Strand between dispersion particle diffuses into one another, the homogeneous membrane formed with certain mechanical performance；Dispersion
The particle diameter of the particle modulus of shearing and dispersion of film forming ability and dispersion is inversely proportional.
Present invention preferably employs aqueous one-component polyurethane base coat, its film forming procedure is as shown in figure 1, Fig. 1 is the present invention
The film forming procedure schematic diagram of water-based monocomponent polyurethane paint in embodiment.In Fig. 1, Part I is：There is water on base material and disperse
In latex particle therein, water volatilization；Part II is：Moisture evaporation, latex particle is close to each other, forms compact reactor cumuliformis
State；Part III is：Moisture content further evaporates, and condensation forms hexagonal structure, predominantly physical film deposition；Part IV is：Enter
One step condenses, and latex particle starts to react, now including physical film deposition and oxidation drying film forming；Part V is：In base material table
Face forms homogeneous, complete film.
Monocomponent polyurethane base coat of the present invention is pressed by high-performance self-crosslinkable polyurethane resin and pigment, auxiliary agent etc.
Certain proportion mixture forms.Specifically, the monocomponent polyurethane base coat includes：20~40wt% self-crosslinkable polyurethane tree
Fat；10~20wt% Hydroxylated acrylic resin；10~20wt% titanium dioxide；5~10wt% functional filler；10~
15wt% solvent；0~15wt% auxiliary agent；And tinting paste.
The monocomponent polyurethane base coat preferably includes 25~35wt% self-crosslinkable polyurethane resin；Wherein, it is described
Self-crosslinking refer to after polyurethane film-forming, chemical reaction can be carried out automatically and realize crosslinking, improve the degree of cross linking of film, improve paint
Film properties.In an embodiment of the present invention, drying oil fatty acid and more alkoxies are introduced in the self-crosslinkable polyurethane resin
Silicon unit；Obtained polyaminoester emulsion particle diameter is small, and particle diameter can adjust in the range of very wide (0.03~100.00 μm).Make
To be preferred, autoxidation crosslinking can occur respectively after film forming for the self-crosslinkable polyurethane resin and hydrolysis-condensation reaction is formed and handed over
Networking network；The paint film of excellent touch can be made in such a polyurethane coating.In addition, monocomponent polyurethane paint of the present invention
Advantage is easy for construction, in the absence of the danger of storage gel.
Monocomponent polyurethane base coat of the present invention is nontoxic in ambient self-crosslinking drying and forming-film, green.And
And present invention preferably uses water as diluent, low VOC, low smell.The monocomponent polyurethane base coat has excellent attached
Put forth effort, good elasticity and covering power, be widely used in decoration and the protection on the high floor of industrial circle cosmetic requirement.
In monocomponent polyurethane base coat of the present invention, main film forming substance is high-performance self-crosslinkable polyurethane tree
Fat.Polyurethane resin is formed by polyisocyanates and polyalcohol etc. containing active hydrogen atom and radical reaction, in actual life
What is commonly used in production is diisocyanate, and its structure is：O=C=N-R-N=C=O.
NCO therein is referred to as NCO or isocyanate group, and diisocyanate forms high polymer with polyol reaction
Process, neither condensation, nor polymerization, but therebetween, referred to as progressively it polymerize, in the reaction in a molecule
Reactive hydrogen atom is transferred in another molecule.Also no accessory substance is separated in the curing process, and volume contraction is small.
The characteristics of polyurethane resin paint of the present invention, includes：(1) wearability is strong, is widely used as floor paint, deck paint etc..(2)
Existing good protectiveness, there is good dicoration again.(3) there is very strong adhesive force to many kinds of substance.(4) elasticity of paint film
It can be adjusted as needed：Can be from extremely hard coating regulation to flexible elastic coating.(5) there is more comprehensive resistance toization
Product, acid and alkali resistance, salt, it is suitable for chemical anticorrosion coating.(6) can high temperature drying, also can low-temperature setting, such as 0 DEG C；(7) both
Low temperature resistant (- 40 DEG C) kind can be made, high temperature resistant kind can also be made.(8) can in the scolding tin of melting automatic tin.(9) energy
With the cooperation system such as polyester, polyethers, epoxy, alkyd, polyacrylate, vinyl chloride vinyl acetate copolymer resins, coal tar pitch, drying oil
Paint, kind is extremely more, different properties, and application surface is very wide.
In some embodiments of the invention priming coat, from dried at normal temperature flexible polyurethane resin, energy consumption for drying is being reduced
On the basis of, stronger permeability and adhesive force are ensured to substrate surface.Meanwhile present invention furtherance film supplemented by flexible resin
Thing, make paint film that there is good flexible resilient.Therefore, the monocomponent polyurethane base coat includes 10~20wt% hydroxyl third
Olefin(e) acid resin, film forming matter is helped supplemented by it.
Monocomponent polyurethane base coat of the present invention has the self-leveling energy on various grounds, possesses paint film excellent
Elegant covering power.Using excellent curing system, the solidification of paint film Quick cross-linking, paint film is nontoxic after solidification, non-stimulated smell；Apply
Short between man-hour, technological requirement is simple；The flooring shield used under suitable various environment, tolerance are strong.
Except above-mentioned film forming matter, the monocomponent polyurethane base coat also includes face, filler.Wherein, pigment is influenceed
Several principal elements of energy include：1), the size of pigment particles：The average grain diameter of most of pigment is 0.01-1.0 μm, but body
50 μm of matter pigment average out to.Particle diameter is small, and decentralization is big, and the area of reflected light is more, strong covering power；Particle diameter is small, strong coloring force.2)、
The shape of particle：Warty particle, titanium white, lithopone good fluidity.Acicular particles, zinc white, talcum powder, there is strong increasing effect, carry
High rigidity, intensity.Flaky particles, such as metallic pigments, enhancing isolation barrier effect.3), the specific surface area of pigment particles：Unit matter
The surface area of amount pigment is referred to as specific surface area, is inversely proportional with particle diameter, specific surface area is big, and covering power, tinting strength, tinting power are good.4), pigment grain
The surface treatment of son：The presence of surfactant can control the processes such as supersaturation, solubilising, nucleation.Inorganic pigment surface is present
Organic matter coating (is wrapped up) by surfactant, can improve wetting effect, increases dispersiveness, the stability of pigment, changes
Become the levelability of coating.Its fast light, acid and alkali-resistance and solvent resistance can be improved by being handled by surfactant.
To meet polyurethane base coat fillibility, the easily performance such as polishing, elasticity, improve the application performance and mechanical property of coating
, cost can be reduced, by the extensive work from theory into action, the present invention is filled out using the titanium dioxide and feature necessarily matched
Material, this face, filler meet technical requirements.That is, described monocomponent polyurethane base coat includes：10~20wt% titanium dioxide and 5
~10wt% functional filler.In an embodiment of the present invention, the functional filler may be selected from talcum powder, calcium carbonate, sulphur
One or more in sour barium, silica and aluminum oxide, such as sial base cenosphere.In addition, it can also use coloring pigment etc.
Color stuffing.In an embodiment of the present invention, it is preferred to use superfine function filler, its average grain diameter can be 0.01~1 micron.
In the present invention, the monocomponent polyurethane base coat includes 10~15wt% solvent.Solvent is that solvent borne applies
An important component in material formula, it is not only used to dissolving resin, reduces viscosity to improve processing characteristics and workability,
And the apparent property (foaming, sagging, levelling etc.) of the caking property of coating, anti-corrosive properties, outdoor durable and film is had an effect on, because
This, can improve a certain or certain several respect the performance of coating by the selection of solvent.
In coating material production, not requiring nothing more than resin can dissolve in a solvent, but also require the resin of same solid content
Solution viscosity is more low better.So when reaching identical working viscosity, the solids content of paint solution is higher, can improve construction effect
Rate, and the quantity of solvent evaporateing into air is smaller, while paint solution rate of drying is fast.
The rate of volatilization of solvent is a key factor for influenceing film quality, if solvent volatilization is too fast, film is neither
Meeting levelling, also will not fully soak base material, thus can not produce good adhesive force；If solvent volatilization is too slow, not only will be very
It could solidify for a long time, and film understands sagging or trickling and influences construction quality.By repetition test, preferably, this hair
The bright one or more that have selected in the aromatic hydrocarbons, ketone, esters that taste is slight, dissolving power is good, construction effect is good, as poly- ammonia
The solvent of ester primary coat paint；The present invention more preferably uses mixed solvent, such as, dimethylbenzene：Butyl acetate：Propylene glycol methyl ether acetate
=3：2：2 (volume ratios).
Monocomponent polyurethane base coat of the present invention includes 0~15wt% auxiliary agent；Present invention preferably employs auxiliary agent to enter
One step improves paint film property and processing characteristics, can also be without using auxiliary agent.
The auxiliary agent be on the one hand to help to eliminate the tangerine peel, floating, bubble, shrinkage cavity that film coated surface often occurs,
The disadvantages such as pinprick, sagging and the additive used, including levelling agent, floating preventing agent, defoamer, sagging preventing agent etc..
On the other hand, auxiliary agent can also include the additives such as dispersant, anti-settling agent, UV absorbers, light stabilizer, drier.
In the present invention, the auxiliary agent is preferably selected from dispersant, levelling agent, defoamer, anti-settling agent, UV absorbers, light stabilizer, floating
Color grows dim the one or more in preventing agent and sagging preventing agent.
The present invention is not particularly limited to specific species of above-mentioned auxiliary agent etc., conventional using this area.Example,
The levelling agent may be selected from acrylic acid levelling agent or organosilicon levelling agent, the levelling agent OL-17 of such as Bayer A.G.It is described
Defoamer can be silicon class defoamer, defoamer BYK-065, BYK-066N of such as German Bi Ke companies.The dispersant is preferred
For dispersant B YK--110；The anti-settling agent such as BYK-410 etc..Specifically, auxiliary agent of the present invention preferably includes：0.6~
1.2wt% dispersant；0.5~2wt% carbon black；0.2~0.5wt% levelling agent；0.1~0.3wt% defoamer；
0.3~0.5wt% anti-settling agent；0.5~1.5wt% UV absorbers；0.5~1.5wt% light stabilizer.The present invention
0.01~0.02wt% polyurethane coating drier can also be included, using conventional products.Wherein, the carbon black can rise
To the effect of adjustment color, belong to pigment auxiliary agent.In addition, base coat of the present invention also includes appropriate tinting paste, color is carried out
Appropriate adjustment.
In an embodiment of the present invention, for the production technology of the monocomponent polyurethane base coat referring to Fig. 2, Fig. 2 is this hair
The technological process of production schematic diagram of bright embodiment base coat or varnish.In Fig. 2, the embodiment of the present invention is first by resin, color stuffing, molten
The raw material such as agent and auxiliary agent is premixed, and is ground under agitation, is painted oar, is then added resin, solvent and auxiliary agent and is carried out paint, warp
Filtering, on the one hand detection obtain product, on the other hand carry out Waste disposal.
The performance indications of polyurethane base coat product are as follows obtained by the embodiment of the present invention：Purplish red thick liquid；During outflow
Between >=20s, surface drying time≤2h, do solid work the time≤24h；Bending property≤1mm of gained paint film, cross cut test result≤1 grade,
Impact resistance >=50cm.
Painting design of the present invention is divided into priming coat, layer of varnish, wherein, include double groups of coating composition of the present invention
Part polyurethane lacquer forms layer of varnish.The dual-component polyurethane varnish is resiliently-mounted floor varnish, including flexible polyurethane resin,
Hydroxyl acrylic aqueous dispersion and isocyanate curing agent.The film forming of described dual-component polyurethane resiliently-mounted floor varnish paint and friendship
Online reason is as follows：
The membrane formation mechanism of dual-component polyurethane has very big area with the film forming of in general polymer emulsion such as acrylic emulsion
Not, it is while also incomplete same with the film forming of solvent borne polyurethane.The film-forming of general emulsion is single one physical process, is disperseed
The glass transition temperature of phase particle is relatively low, just forms closelypacked structure after evaporation of the solvent, and under capillary pressure function
Condense film forming.In solvent borne polyurethane system, hydroxy-containing resin and curing agent to be molecularly dissolved in organic solvent,
The system of formation is homogeneous, and curing reaction is carried out between molecule, thus curing reaction must compare completely, is formed
Film is also homogeneous.
In an embodiment of the present invention, dual-component polyurethane is multiphase film forming.First after most of moisture is evaporated, emulsion
Particle contacts with each other, and forms closelypacked structure, and remaining moisture and solidification agent molecule are then in the gap location of emulsion particle.
With the further evaporation of moisture, emulsion particle starts to condense, and forms more close hexagonal array structure.At the same time,
Solidification agent molecule is diffused into the interface of emulsion particle and its inside crosslinks curing reaction.
Present invention preferably employs aqueous double-component polyurethane varnish, its membrane formation mechanism is as shown in figure 3, Fig. 3 is real for the present invention
Apply double-component waterborne polyurethane film forming procedure schematic diagram in example.In Fig. 3, Part I is：There are water and curing agent on base material, and
The latex particle being dispersed therein, water volatilization；Part II is：Moisture evaporation, latex particle is close to each other, is formed tightly packed
State；Part III is：Moisture content further evaporates, and condensation forms hexagonal structure, predominantly physical film deposition；Part IV is：
Further condense, latex particle and curing agent start to react, and this is mainly chemical membrane；Part V is：In substrate surface shape
Into homogeneous, completion of cure film.
The chemical reaction of double-component polyurethane coating is more complicated, and in addition to-OH and-NCO chemical reaction, it also occurs
He chemically reacts, such as：
(1) reacted with alcohol compound, generation product is carbamate：
(2) isocyanates and amine reaction generation urea：
(3) isocyanates and urea reaction generation biuret：
(4) isocyanates reacts with water：
Reaction rate：Amine ＞ alcohol/water ＞ acid, due to R-NH2Reaction with R-NCO is faster than water, therefore above-mentioned reaction can be write as：
R-NCO+R′-NCO+H2O→RHNCONHR′+CO2(5)；
(5) isocyanates and urethane reaction generation allophanate：
(6) isocyanates and acid reaction：
In an embodiment of the present invention, aqueous double-component polyurethane membrane formation mechanism and the particle of thermoplastic polymer dispersion
Co-agglomeration mechanism is relevant with the cross-linking reaction membrane formation mechanism of thermosetting polymer solution.There is following mistake in its film forming procedure
Journey：1. the volatilization of volatilizable thing (solvent, water)；2. the common condensation of polyalcohol and polyisocyanate particles；3. polyisocyanates and
The reaction of water；4. the reaction of polyalcohol and polyisocyanates.
Polyurethane elastic floor board varnish of the present invention is by hydroxyl acrylic aqueous dispersion and isocyanate curing agent by certain
Ratio mixture forms.Specifically, polyurethane floor varnish uses hydroxyl acrylic aqueous dispersion and the cold spelling of elastic polyurethane, pliability
Mixture forms type water-based isocyanate curing agent by a certain percentage, and paint film has certain elasticity and high-wearing feature.
The dual-component polyurethane varnish is the two-component sapecial coating using polyurethane as base material, suitable for various materials
Heatproof, resistance to calcination, solvent resistant and wear-resistant anti-mildew anti-corrosion protection, the product have excellent chemical resistance, when can be long
Between be resistant to cleaning agent, machine oil, the immersion of the chemicals such as kerosene.The dual-component polyurethane varnish includes hydroxyl acrylic aqueous dispersion；
The present invention helps film forming matter supplemented by flexible resin, and paint film has good flexible resilient, wearability, moderate anti-skid factor.Should
Product has the self-leveling energy on various grounds, paint film is possessed outstanding covering power.The present invention is consolidated using excellent
Change system, the solidification of paint film Quick cross-linking, paint film is nontoxic after solidification, non-stimulated smell；Engineering time is short, and technological requirement is simple, fits
The flooring shield used under various environment is closed, weatherability is strong.
Dual-component polyurethane varnish of the present invention is nontoxic, green.Also, present invention preferably uses water conduct
Diluent, low VOC, low smell.The dual-component polyurethane varnish has excellent adhesive force, fabulous pliability, Yi Jiyou
Different water resistance, oil resistivity and solvent resistance, it is widely used in the high indoor and outdoor resiliently-mounted floor of industrial circle cosmetic requirement
Decoration and protection.
The dual-component polyurethane varnish includes isocyanate curing agent；NCO-N=C=O at room temperature can
It is the curing agent under a kind of normal temperature to crosslink reaction with OH.Match on curing reaction, gather in two-component of the present invention
In urethane varnish, isocyanate curing agent dosage makes the mol ratio of hydroxyl and isocyanate group (OH/NCO) be 1.05/1~1.3/1.
Some embodiments of the invention determine that construction proportioning is host：Curing agent=4:1 (weight ratio).The dual-component polyurethane varnish is excellent
Choosing also includes inorganic filler, the one or more in the optional self-alumina of the inorganic filler and silica.Of the invention clear
In the formula design of enamelled coating, the mol ratio of appropriate increase isocyanate group and hydroxyl, while add aluminum oxide, silica etc.
Inorganic filler, excellent wearability, and mutually coordinated pliability and hardness are made it have, painting caused by abrasion can be reduced
Layer is damaged, is wearable elastic polyurethane lacquer.
The present invention is not particularly limited to the production technology of the varnish, and its technological process of production also can be found in Fig. 2.The present invention
The performance indications of polyurethane elastic floor board varnish product are as follows obtained by embodiment：White milky liquid；Delivery time >=20s, table
Dry time≤4h, does solid work the time≤24h；Bending property≤2mm of gained paint film, AEG-process result >=4mm, cross cut test knot
Fruit≤1 grade, impact resistance >=50cm；The quality proportioning of working life >=4h, host and curing agent can be 7/1.
In the present invention, base coat, varnish have self-leveling energy on various grounds, paint film is possessed outstanding covering
Ability and elasticity.Under the cooperation of elastic polyurethane priming coat and wearable elastic polyurethane lacquer layer, painting design resistance to ag(e)ing
3000h can be can reach, exceeds well over the 1000h of conventional coating；With preferable ply adhesion, can also be kept even if coating damage
Whole system prevents the expansion of breakage compared with strong cohesive force.The present invention uses excellent curing system, and paint film Quick cross-linking solidifies,
Paint film is nontoxic after solidification, non-stimulated smell.In addition, the engineering time of the invention is short, technological requirement is simple, is adapted to make under various environment
Flooring shield, tolerance are strong.
The invention provides a kind of restorative procedure of rubber floor covering cloth, comprise the following steps：Using monocomponent polyurethane bottom
Colored paint carries out coating decoration to rubber floor covering cloth to be repaired, dries；After the drying, using dual-component polyurethane varnish pair
Coating decoration again on the rubber floor covering cloth constructed, dry, the rubber floor covering cloth repaired；
The monocomponent polyurethane base coat includes：20~40wt% self-crosslinkable polyurethane resin；10~20wt%'s
Hydroxylated acrylic resin；10~20wt% titanium dioxide；5~10wt% functional filler；10~15wt% solvent；0~
15wt% auxiliary agent；And tinting paste；
The dual-component polyurethane varnish includes：Flexible polyurethane resin, hydroxyl acrylic aqueous dispersion and isocyanates are consolidated
Agent.
The present invention passes through from preferable flexible elastic coating, elastic coated-body of the composition with excellent ply adhesion
System, and to rubber floor covering cloth be surface-treated after, repaired by the way of application, mainly improve outward appearance, avoided because more
Change floor cloth and caused by tool car tear that journey expands, the time between overhauls(TBO) extends open and because change floor cloth and caused by waste.Pass through
The application of the technology, it can quickly, easily meet the reparation of public affair vehicle overhauling rubber floor covering cloth.
Base coat of the present invention, the content of varnish are as it was previously stated, will not be repeated here.The rubber floor covering to be repaired
Cloth is mainly cosmetic variation, to be repaired, can be：With cut, weather stain, loss of gloss, the rubber for even having the outward appearances such as damage hole point
Adhesive floor cloth.The embodiment of the present invention such as is polished rubber floor covering cloth ground to be repaired, cleaned at the processing first, makes its surface
Totally, no moisture is dried；The present invention can also carry out conventional periphery to floor cloth and protect.
Then, the embodiment of the present invention is constructed using above-mentioned painting design.The environment of repairing construction of the embodiment of the present invention
Condition includes：Normal temperature, most preferably 20~30 DEG C；20%≤relative humidity≤60%.The mode use spraying of the coating decoration,
Brush, roller coating, preferably roller coating.In embodiments of the present invention, the monocomponent polyurethane base coat dosage be generally 150~
200g/m2；Paint film wet-film thickness is (80-100) μm, thickness of dry film (40-60) μm.The dual-component polyurethane varnish dosage one
As be 100~150g/m2；Paint film wet-film thickness is (80-100) μm, thickness of dry film (50-70) μm.Each roller coating thickness of dry film
Can be (30-40) μm；Matching system dry film gross thickness >=120 μm.
Drying time in some embodiments of the invention is：During 30~40 μm of thickness of dry film, 2 hours non-sticky, 24 hours
Inside do something in disregard of obstacles；Properties of product reach optimal after 7 days.Winter temperature is low, and drying time can slightly extend.Preferably, the single group
Part polyurethane base coat and dual-component polyurethane varnish independently dry more than 9h in the environment not less than 15 DEG C.The present invention one
A little embodiments solidify under field conditions (factors), and more than 16h is dried in the naturally not less than 15 DEG C.In other implementations of the present invention
In example, temperature is relatively low or to shorten drying time, and (1~2) h can be dried in the environment for being heated up to (40~60) DEG C, then natural
Dry (8~10) h.In addition, construction interval >=24 hour of base coat described in the embodiment of the present invention and varnish.
After the completion of repairing construction, the performance of the floor cloth to repairing detects.The present invention is on original floor cloth basis
On by brushing elastic coating, reached the effect of apparent renovation；Construction technology is easy, ripe, feasible.Present invention reduces repair
Journey, the waste for reducing workload, avoiding floor cloth, it is a kind of quick, easily restorative procedure.
For a further understanding of the application, rubber floor covering cloth is repaired with reference to being used for of providing the application of embodiment
Coating composition and its application are specifically described.
Embodiment
The composition of monocomponent polyurethane base coat used in the present embodiment is as shown in table 1：
The basic composition of base coat in the embodiment of table 1
Each component of the present invention is the universal product；Wherein, sial base cenosphere, it be using sial as main component,
The light hollow microballon formed under nitrogen protection through high-temperature fusion, air blast gasification spraying, it is internal empty in small porous
Core structure, surface form hard shell by the hollow network structure of fiber, are a kind of physics spherical silica aluminium ceramics of standard
Dusty material, particle diameter are 1 μm.
Mixed solvent：Dimethylbenzene：Butyl acetate：Propylene glycol methyl ether acetate=3：2：2 (volume ratios).T-12 is polyurethane
Terebine, dibutyltin dilaurate C32H64O4Sn。
The performance indications of the polyurethane base coat product are as shown in table 2：
The performance indications of polyurethane base coat product in the embodiment of table 2
Polyurethane floor varnish uses hydroxyl acrylic aqueous dispersion 1753 and elastic polyurethane 168SS-80, according to mass ratio
1:2 cold spellings, pliability type water-based isocyanate curing agent (Bayer Desmodur N 3390BA resins) by a certain percentage mixture and
Into；Wherein, isocyanate curing agent dosage makes the mol ratio of hydroxyl and isocyanate group (OH/NCO) be 1.1/1.The property of the varnish
Energy index is referring to table 3：
The performance indications of polyurethane lacquer product in the embodiment of table 3
The present embodiment renovation technique flow is：Polishing, cleaning, protection → floor drying → preparation base coat → corner are made up a deficiency
→ base coat is constructed →, which is dried 24 hours, → sand paper is polished → prepares varnish → corner and makes up a deficiency → varnish is constructed → to dry 24 hours
→ remove protection.Particular content is as follows：
Ground processing：With pollutants such as the dust above lint-free cloth removal floor, greasy dirts, then wiped at least with diluent
1-2 times, until surface of bottom material is clean, exclusion is dried, can just be constructed.
Periphery is protected：Confirm the position to be constructed, dining table leg is protected (referring to Fig. 4) with adhesive tape；Around car body
Protected (referring to Fig. 5) with floor cloth joint.
Coating prepares：
Use preceding A, the preparation of B component：Component A polyurethane paint bung is opened, stirred.B component curing agent (Bayer
Desmodur N 3390BA resins) shake up.It is specifically intended that B component curing agent is taken, immediately the lid lid of curing agent
It is good, failed after preventing the moisture overlong time in ingress of air.Mixed proportion：(1) rose-red polyurethane base coat weight ratio, it is main
Agent A:Curing agent B=5:1；(2) elastic polyurethane floor paint weight ratio, host A:Curing agent B=5:1.Host is pressed with curing agent
After ratio mixing, it is sufficiently stirred and is allowed to uniform, places and eliminate bubble caused by mixing, about 10 minutes, then roller coating.Its
In, with special diluting agent (by dimethylbenzene：Butyl acetate：Propylene glycol methyl ether acetate=3：2：2 (volume ratio) mixing preparations and
Into) it is diluted to suitable viscosity.Working life：3 hours summers, 4 hours of winter.
Form of construction work is roller coating；Instrument includes：Lint-free cloth, sand paper, electronic scale, wallpaper knife, apply 4# cups, be agitator, high-quality
Cover with paint or varnish, high-quality round brush.Each 30~40 μm of roller coating thickness of dry film；Matching system dry film gross thickness >=120 μm.Rose-red polyurethane
Base coat is constructed at intervals of 24 hours with elastic polyurethane floor paint；After construction terminates, immediately with special diluting agent cleaning means,
In order to avoid because paint solidification, instrument is caused to waste.
Polyurethane base coat dosage is 150~200g/m2, paint film wet-film thickness is (80-100) μm, thickness of dry film (40-
60)μm.Polyurethane elastic floor board varnish dosage is 100~150g/m2, paint film wet-film thickness is (80-100) μm, thickness of dry film
(50-70)μm.Solidify under natural conditions, 24h is spontaneously dried in normal temperature environment.
Points for attention：
1 before the non-surface drying of film, not touch and trample, in order to avoid pollution or damage paint film appearance.
2 coating with how much with how many, should not polygamy, in order to avoid cause to waste；To be finished as early as possible after coating A and B mixing, should not
More than validity period.
3 workmens will carry out the personal protection that spraying needs, and use special clothing and gloves, glasses etc.；Retaining ring
Divulge information in border.
The defensive plastic foil in 4 peripheries and adhesive tape, must take away in time after drying varniss, in case paint film is completely dried
Afterwards, paint film is damaged when taking defensive plastic foil and adhesive tape.
The protection of not application position is good, do not polish damage or paint contamination.Repairing construction is completed, before floor cloth is repaired
Performance test results afterwards are contrasted.
Wherein, after base coat is dried, it is ground and is polished with 240#, base coat drying property is good, without scab paper phenomenon, such as
Shown in Fig. 6, Fig. 6 is polished in embodiment grinding state (left side) and the dried polishing state (right side) of base coat.
After varnish construction, face coat is uniform, and paint film is smooth, smooth, no accumulation, brush mark, holiday, shrinkage cavity, big particle
Etc. situation, as shown in fig. 7, Fig. 7 is the effect state after varnish construction in embodiment.After varnish-drying, model is looked into
See, its drying property is good；To model using fold, the mode such as bending is tested, paint film the defects of ftractureing, come off without occurring；With
Check toe end hammering flooring laminate surface, it is uncoated come off, crackle；After varnish-drying, original floor cloth pattern displays, with
Original floor cloth color is basically identical.Situation in kind is referring to Fig. 8, Fig. 9, Figure 10, and in Fig. 8, top is state after brushing, coating group
As base coat 1.+varnish 2., bottom is reset condition；Pattern shows after brushing, and color is deeper.In Fig. 9, folded bent is no different
Often；In Figure 10, coating is without exception after hammering.
Rubber floor covering cloth after treatment, the utilization of paint, the elasticity painting on floor cloth surface is repaiied by one section of high-grade bus
Layer such as does not ftracture, wrinkled, coming off at the quality problems, meets that high-grade bus is attractive in appearance, requirement of comfort type.
And use the coating outside other existing polyurethane coatings or the application component, proportioning, because of its resin content and
Proportioning is different, and elasticity can not meet the aeroelastic requirements of rubber floor covering cloth, during car operation, with walking for passenger personnel
It is dynamic, the change on rubber floor covering cloth surface, it may appear that coating cracking, become fragile, spring side the problems such as, it is impossible to meet to require.
It can be obtained by above content, paint film of the present invention has good flexible resilient, utilizes the recoverable deformation buffer of system
Rubber floor covering cloth deforms in use and stress, is allowed to form the basically identical entirety of modulus of elasticity.The present invention is using excellent
Different curing system, the solidification of paint film Quick cross-linking, paint film is nontoxic after solidification, non-stimulated smell；Engineering time is short, technological requirement letter
It is single.Painting design ageing-resistant performance of the present invention can reach 3000h, exceed well over the 1000h of conventional coating.It the present invention relates to
Construction technology is easy, ripe, feasible, by brushing elastic coating on the basis of original floor cloth, reaches the effect of apparent renovation.
Also, the present invention, which has to shorten, to repair journey, reduces workload, avoids the advantages of waste of floor cloth.
Described above is only the preferred embodiment of the present invention, it is noted that the professional technique for making the art
Personnel, without departing from the technical principles of the invention, it is that by a variety of modifications to these embodiments, and these
Modification also should be regarded as the scope that the present invention should protect.
Claims (10)
1. a kind of coating composition for being used to repair rubber floor covering cloth, including monocomponent polyurethane base coat and dual-component polyurethane
Varnish；
The monocomponent polyurethane base coat includes：20~40wt% self-crosslinkable polyurethane resin；10~20wt% hydroxyl
Acrylic resin；10~20wt% titanium dioxide；5~10wt% functional filler；10~15wt% solvent；0~
15wt% auxiliary agent；And tinting paste；
The dual-component polyurethane varnish includes：Flexible polyurethane resin, hydroxyl acrylic aqueous dispersion and isocyanate curing agent.
2. coating composition according to claim 1, it is characterised in that the average grain diameter of the functional filler is 0.01
~1 micron.
3. coating composition according to claim 1, it is characterised in that it is molten that the solvent is selected from aromatic hydrocarbon solvent, ketone
One or more in agent and esters solvent.
4. coating composition according to claim 1, it is characterised in that the auxiliary agent is selected from dispersant, levelling agent, defoaming
One or more in agent, anti-settling agent, UV absorbers, light stabilizer, floating preventing agent and sagging preventing agent.
5. coating composition according to claim 1, it is characterised in that the auxiliary agent includes：0.6~1.2wt% point
Powder；0.5~2wt% carbon black；0.2~0.5wt% levelling agent；0.1~0.3wt% defoamer；0.3~0.5wt%
Anti-settling agent；0.5~1.5wt% UV absorbers；0.5~1.5wt% light stabilizer.
6. coating composition according to claim 1, it is characterised in that in the dual-component polyurethane varnish, isocyanic acid
Ester hardener dose makes the mol ratio of hydroxyl and isocyanate group be 1.05/1~1.3/1.
7. coating composition according to claim 6, it is characterised in that the dual-component polyurethane varnish also includes inorganic
Filler, one or more of the inorganic filler in aluminum oxide and silica.
8. a kind of restorative procedure of rubber floor covering cloth, comprises the following steps：
Coating decoration is carried out to rubber floor covering cloth to be repaired using monocomponent polyurethane base coat, dried；
After the drying, using dual-component polyurethane varnish to coating decoration again on the rubber floor covering cloth constructed, do
Rubber floor covering cloth that is dry, being repaired；
The monocomponent polyurethane base coat includes：20~40wt% self-crosslinkable polyurethane resin；10~20wt% hydroxyl
Acrylic resin；10~20wt% titanium dioxide；5~10wt% functional filler；10~15wt% solvent；0~
15wt% auxiliary agent；And tinting paste；
The dual-component polyurethane varnish includes：Flexible polyurethane resin, hydroxyl acrylic aqueous dispersion and isocyanate curing agent.
9. restorative procedure according to claim 8, it is characterised in that the monocomponent polyurethane base coat dosage is 150
~200g/m2；The dual-component polyurethane varnish dosage is 100~150g/m2。
10. restorative procedure according to claim 8, it is characterised in that the monocomponent polyurethane base coat and two-component
Polyurethane lacquer independently dries more than 9h in the environment not less than 15 DEG C.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108690480A (en) * | 2018-06-25 | 2018-10-23 | 恒昌涂料（惠阳）有限公司 | A kind of aqueous double-component finishing coat of the low curing agent of high glaze quick-drying and its application |
| CN110105862A (en) * | 2019-06-11 | 2019-08-09 | 浙江伟星实业发展股份有限公司 | A kind of spray painting major ingredient and rain and dew paint for button |
| CN112474232A (en) * | 2020-11-24 | 2021-03-12 | 唐山市祥聿铁路配件有限公司 | Urban rail vehicle floor cloth repairing process |
| CN112792620A (en) * | 2020-12-31 | 2021-05-14 | 成都中车四方轨道车辆有限公司 | Process for repairing rubber cloth of railway train carriage as new as old |
| CN113337199A (en) * | 2021-07-20 | 2021-09-03 | 山东七维新材料有限公司 | Coating for rubber base material and preparation method thereof |
| CN113386808A (en) * | 2021-06-04 | 2021-09-14 | 唐山万协铁路配件有限公司 | Method for repairing railway vehicle floor cloth |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051112A (en) * | 2011-01-18 | 2011-05-11 | 惠州市长润发涂料有限公司 | Aqueous double-component polyurethane varnish and preparation method of aqueous double-component polyurethane varnish |
| CN103567131A (en) * | 2013-10-21 | 2014-02-12 | 黄宣斐 | Method for coating surface of plastic |
| US20150044478A1 (en) * | 2011-02-24 | 2015-02-12 | Basf Coatings Gmbh | Method for producing a colour and/or effect-producing multi-layered coating |
| CN104379682A (en) * | 2012-06-28 | 2015-02-25 | 巴斯夫涂料有限公司 | Method of forming a multi-layer paint film |
| CN104449233A (en) * | 2014-12-10 | 2015-03-25 | 成都拜迪新材料有限公司 | Coating of water-based paint applied to engineering machinery product |
| CN205856373U (en) * | 2016-03-21 | 2017-01-04 | 广东达尔新型材料有限公司 | A kind of aqueous polyurethane mortar terrace coating |
-
2017
- 2017-09-26 CN CN201710880777.5A patent/CN107793903B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051112A (en) * | 2011-01-18 | 2011-05-11 | 惠州市长润发涂料有限公司 | Aqueous double-component polyurethane varnish and preparation method of aqueous double-component polyurethane varnish |
| US20150044478A1 (en) * | 2011-02-24 | 2015-02-12 | Basf Coatings Gmbh | Method for producing a colour and/or effect-producing multi-layered coating |
| CN104379682A (en) * | 2012-06-28 | 2015-02-25 | 巴斯夫涂料有限公司 | Method of forming a multi-layer paint film |
| CN103567131A (en) * | 2013-10-21 | 2014-02-12 | 黄宣斐 | Method for coating surface of plastic |
| CN104449233A (en) * | 2014-12-10 | 2015-03-25 | 成都拜迪新材料有限公司 | Coating of water-based paint applied to engineering machinery product |
| CN205856373U (en) * | 2016-03-21 | 2017-01-04 | 广东达尔新型材料有限公司 | A kind of aqueous polyurethane mortar terrace coating |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108690480A (en) * | 2018-06-25 | 2018-10-23 | 恒昌涂料（惠阳）有限公司 | A kind of aqueous double-component finishing coat of the low curing agent of high glaze quick-drying and its application |
| CN110105862A (en) * | 2019-06-11 | 2019-08-09 | 浙江伟星实业发展股份有限公司 | A kind of spray painting major ingredient and rain and dew paint for button |
| CN112474232A (en) * | 2020-11-24 | 2021-03-12 | 唐山市祥聿铁路配件有限公司 | Urban rail vehicle floor cloth repairing process |
| CN112792620A (en) * | 2020-12-31 | 2021-05-14 | 成都中车四方轨道车辆有限公司 | Process for repairing rubber cloth of railway train carriage as new as old |
| CN113386808A (en) * | 2021-06-04 | 2021-09-14 | 唐山万协铁路配件有限公司 | Method for repairing railway vehicle floor cloth |
| CN113337199A (en) * | 2021-07-20 | 2021-09-03 | 山东七维新材料有限公司 | Coating for rubber base material and preparation method thereof |
| CN113737531A (en) * | 2021-09-26 | 2021-12-03 | 深圳市联星服装辅料有限公司 | Impregnation liquid, waterborne polyurethane impregnation polyester cord and preparation method thereof |
| CN113737531B (en) * | 2021-09-26 | 2023-10-20 | 深圳市联星服装辅料有限公司 | Dipping liquid, aqueous polyurethane dipping polyester rope and preparation method thereof |
| CN113914110A (en) * | 2021-10-19 | 2022-01-11 | 江西三越新材料有限公司 | Oily anti-floating color white slurry |
| CN116769389A (en) * | 2023-06-06 | 2023-09-19 | 中国化工株洲橡胶研究设计院有限公司 | Water-based scratch-resistant protective coating and preparation method thereof |
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