CN107033770A - Modified low VOC large arch dams aqueous polyurethane wood lacquer of one kind and preparation method thereof - Google Patents
Modified low VOC large arch dams aqueous polyurethane wood lacquer of one kind and preparation method thereof Download PDFInfo
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- CN107033770A CN107033770A CN201710287313.3A CN201710287313A CN107033770A CN 107033770 A CN107033770 A CN 107033770A CN 201710287313 A CN201710287313 A CN 201710287313A CN 107033770 A CN107033770 A CN 107033770A
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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
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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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
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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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
- C09D7/20—Diluents or solvents
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses the modified low VOC large arch dams aqueous polyurethane wood lacquer of one kind, including following parts by weight of component：The parts by weight of modified polyurethane 80 90, the parts by weight of defoamer 03, the parts by weight of wetting agent 0.5 3, the parts by weight of solvent 13, wherein, the modified polyurethane is that silicane-modified polyurethane and acroleic acid polyurethane press 1:13 mixture.The present invention presses 1 by silicane-modified polyurethane and acroleic acid polyurethane:13, which are prepared by mixing into modified polyurethane, is used to substitute traditional polyurethane, and design is re-started to the species and consumption of auxiliary reagent, obtain a brand-new woodenware paint formula, the woodcare paint not only complies fully with the advantage of polyurethane carpentry paint in performance, and compared to existing polyurethane carpentry paint, with relatively low VOC and higher solids content.
Description
Technical field
The present invention relates to the preparing technical field of aqueous woodware paint, and in particular to the modified low VOC large arch dams of one kind are aqueous poly-
Urethane woodcare paint and preparation method thereof.
Background technology
Woodcare paint refers to the coating on the equipment being made for solid wood board, wood grain panel, bakelite plate, sawdust-board, fiberboard etc.,
Including furniture, floor, stationery sports goods, musical instrument and constructional ornamental material paint.Two classes are roughly divided into, a class is to be used for Furniture manufacture
Factory a, class is to be used for interior decoration decoration.
The principal item of current woodcare paint (including furniture and indoor decorating coating) has nitrate paint (NC), polyurethane to apply
Expect (PU), unsaturated polyester coating (PE), amido alkyd paint (AC, referred to as acid are coating material solidified), ultraviolet-curing paint (UV)
With water paint etc..
Organic solvent in woodcare paint, which is evaporate into air, badly influences atmospheric environment.The pollution that the volatilization of machine solvent is caused
Damage, threatened to health of human body to ecological environment, be unfavorable for the long term growth of coating industry, so coating industry pair
The attention of VOC (VOC) harm, the control to VOC are paid close attention to product quality from science and substantially changed, reduction
VOC has turned into the emphasis and development trend that industry technology innovates concern.
Polyurethane carpentry paint has paint film tough, and gloss is plentiful, and adhesive force is strong, water proof and wearable, the advantage of corrosion resistance.Quilt
It is widely used in high-class woodenware furniture, it can also be used to metal surface.But the VOC of polyurethane carpentry paint is higher.
The content of the invention
It is an object of the invention to provide the modified low VOC large arch dams aqueous polyurethane wood lacquer of one kind, existing poly- ammonia is solved
The problem of ester wood lacquer VOC is higher, meanwhile, polyurethane carpentry paint of the present invention has the advantages that Gao Gu.
In addition, the present invention also provides a kind of preparation method of above-mentioned polyurethane carpentry paint.
The present invention is achieved through the following technical solutions：
The modified low VOC large arch dams aqueous polyurethane wood lacquer of one kind, including following parts by weight of component：
Modified polyurethane 80-90 parts by weight, defoamer 0-3 parts by weight, wetting agent 0.5-3 parts by weight, solvent 1-3 weight
Part, wherein, the modified polyurethane is that silicane-modified polyurethane and acroleic acid polyurethane press 1:1-3 mixture.
The modified low VOC large arch dams aqueous polyurethane wood lacquer of one kind, is made up of following parts by weight of component：
Modified polyurethane 80-90 parts by weight, defoamer 0-3 parts by weight, wetting agent 0.5-3 parts by weight, solvent 1-3 weight
Part, wherein, the modified polyurethane is that silicane-modified polyurethane and acroleic acid polyurethane press 1:1-3 mixture.
At present, the film forming binder of existing polyurethane carpentry paint is polyurethane, in order to which the paint film for meeting polyurethane carpentry paint is strong
Tough, adhesive force is strong, and water proof and wearable, effect of corrosion resistance are, it is necessary to add larger amount of auxiliary reagent, and the auxiliary reagent includes
Wetting agent, defoamer, levelling agent, dispersant, coalescents and thickener, a large amount of of the auxiliary reagent use, and can cause to gather
The VOC of urethane woodcare paint is higher.
Silicane-modified polyurethane and acroleic acid polyurethane of the present invention, defoamer, wetting agent and solvent are from commercially available
Product.
Specifically, the defoamer is preferably polysiloxane defoaming agent, the wetting agent preferably soya lecithin.
Acroleic acid polyurethane of the present invention has the advantages that acrylic acid and polyurethane simultaneously, with rate of drying is fast, paint
Film equalization is relatively thin, and the silicane-modified polyurethane has hardness of film height, good polluting proofing property, water-tolerant and solvent resistance good
Advantage, the solvent borne of modified polyurethane in a solvent more preferably, is conducive to the solid content of high woodcare paint.
Applicant is had found by long term test, and silicane-modified polyurethane and acroleic acid polyurethane are pressed into 1:1-3 is mixed with
Modified polyurethane when substituting traditional polyurethane, auxiliary reagent value needs addition wetting agent, solvent, woodcare paint of the present invention
The advantage of polyurethane carpentry paint is not only complied fully with performance, and compared to existing polyurethane carpentry paint, with relatively low
VOC, the VOC of polyurethane carpentry paint of the present invention is below 300g/L, reduced than existing polyurethane carpentry paint
100g/L or so, meanwhile, woodcare paint of the present invention also has higher solid content.
Therefore, the present invention presses 1 by silicane-modified polyurethane and acroleic acid polyurethane:1-3 is prepared by mixing into modified poly- ammonia
Ester is used to substitute traditional polyurethane, and re-starts design to the species and consumption of auxiliary reagent, obtains a brand-new wood
Device paint formula, the woodcare paint not only complies fully with the advantage of polyurethane carpentry paint in performance, and compared to existing poly- ammonia
Ester wood lacquer, with relatively low VOC and higher solids content.
Further, in addition to ultra-violet absorber 0.5-1 parts by weight and acrylic acid 2-3 parts by weight.
Existing polyurethane carpentry paint also has following defect：There is film efflorescence and asking for turning yellow in use
Topic, especially with the time passage film efflorescence and turn yellow the problem of it is more serious.
Ultra-violet absorber of the present invention can absorb ultraviolet, it is to avoid other compositions are oxidized, to a certain extent
The speed for slowing down the efflorescence of polyurethane carpentry paint and turning yellow, the acrylic acid can also slow down polyurethane carpentry paint on degree is determined
Efflorescence and turn yellow speed.
Applicant is had found by long-term experiment：By ultra-violet absorber 0.5-1 parts by weight and acrylic acid 2-3 parts by weight groups
It is combined together for polyurethane carpentry paint, can significantly extends woodcare paint efflorescence and the time turned yellow, and the influence to VOC is not clear
It is aobvious.
Further, solvent is the mixture of acetic acid esters and ketones solvent.
The modified polyurethane has more preferable solubility property in the mixture of acetic acid esters and ketones solvent.
Further, solvent is that ethyl acetate or butyl acetate and acetone or cyclohexanone press 2-3:1 mixture.
Applicant is had found by long term test：The modified polyurethane is in ethyl acetate or butyl acetate and acetone or hexamethylene
Ketone presses 2-3:There is more preferable solubility property in 1 mixture.
A kind of preparation method of the low VOC large arch dams aqueous polyurethane wood lacquer of property, it is characterised in that comprise the following steps：
1), silicane-modified polyurethane and acroleic acid polyurethane are mixed in proportion modified polyurethane is made；
2) modified polyurethane, wetting agent and solvent, are proportionally added into successively into container, adds and disappears under conditions of stirring
Infusion.
Further, rotating speed during stirring is controlled in 400-500r/min.
The present invention compared with prior art, has the following advantages and advantages：
1st, the present invention presses 1 by silicane-modified polyurethane and acroleic acid polyurethane:1-3 is prepared by mixing into modified polyurethane use
Design is re-started in the traditional polyurethane of replacement, and to the species and consumption of auxiliary reagent, a brand-new woodcare paint is obtained
Formula, the woodcare paint not only complies fully with the advantage of polyurethane carpentry paint in performance, and compared to existing polyurethane wood
Device paint, with relatively low VOC and higher solids content.
2nd, the present invention in polyurethane carpentry paint by adding, ultra-violet absorber 0.5-1 parts by weight and acrylic acid 2-3 weights
Part is measured, can significantly extend woodcare paint efflorescence and the time turned yellow, and the influence to VOC is not obvious.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment, to present invention work
Further to describe in detail, exemplary embodiment and its explanation of the invention is only used for explaining the present invention, is not intended as to this
The restriction of invention.
Embodiment 1：
The modified low VOC large arch dams aqueous polyurethane wood lacquer of one kind, is made up of following parts by weight of component：
The parts by weight of modified polyurethane 80, the parts by weight of wetting agent 0.5, the parts by weight of solvent 1, wherein, the modified polyurethane is
Silicane-modified polyurethane and acroleic acid polyurethane press 1:1 mixture, the defoamer is polysiloxane defoaming agent, the wetting
Agent is soybean lecithin, and the solvent ethyl acetate and acetone press 2:1 mixture.
Embodiment 2：
The modified low VOC large arch dams aqueous polyurethane wood lacquer of one kind, is made up of following parts by weight of component：
The parts by weight of modified polyurethane 90, the parts by weight of defoamer 3, the parts by weight of wetting agent 3, the parts by weight of solvent 3, wherein, it is described
Modified polyurethane is that silicane-modified polyurethane and acroleic acid polyurethane press 1:3 mixture, the defoamer disappears for polysiloxanes
Infusion, the wetting agent is soybean lecithin, and the solvent acetic acid butyl ester and cyclohexanone press 3:1 mixture.
Embodiment 3：
The modified low VOC large arch dams aqueous polyurethane wood lacquer of one kind, is made up of following parts by weight of component：
The parts by weight of modified polyurethane 85, the parts by weight of defoamer 1, the parts by weight of wetting agent 1, the parts by weight of solvent 2, ultraviolet radiation absorption
The parts by weight of agent 0.5 and the parts by weight of acrylic acid 2, wherein, the modified polyurethane is silicane-modified polyurethane and acroleic acid polyurethane
By 1:2 mixture, the defoamer is polysiloxane defoaming agent, and the wetting agent is soybean lecithin, the solvent acetic acid
Butyl ester and cyclohexanone press 3:1 mixture.
Embodiment 4：
The modified low VOC large arch dams aqueous polyurethane wood lacquer of one kind, is made up of following parts by weight of component：
The parts by weight of modified polyurethane 85, the parts by weight of defoamer 2, the parts by weight of wetting agent 2, the parts by weight of solvent 2, ultraviolet radiation absorption
The parts by weight of agent 1 and the parts by weight of acrylic acid 3, wherein, the modified polyurethane is that silicane-modified polyurethane and acroleic acid polyurethane are pressed
1:2 mixture, the defoamer is polysiloxane defoaming agent, and the wetting agent is soybean lecithin, the solvent acetic acid fourth
Ester and cyclohexanone press 3:1 mixture.
The preparation method of modified low VOC large arch dams aqueous polyurethane wood lacquer described in embodiment 1 to embodiment 4, including with
Lower step：
1), silicane-modified polyurethane and acroleic acid polyurethane are mixed in proportion modified polyurethane is made；
2) modified polyurethane, wetting agent and solvent, are proportionally added into successively into container, adds and disappears under conditions of stirring
Infusion, rotating speed during stirring is controlled in 400-500r/min.
Comparative example 1：
This comparative example is based on embodiment 1, and the difference with embodiment 1 is to replace modified polyurethane with polyurethane.
Comparative example 2：
This comparative example is based on embodiment 3, and the difference with embodiment 3 is to replace modified polyurethane with polyurethane.
Comparative example 3：
This comparative example is based on embodiment 3, and the difference with embodiment 3 is without using ultra-violet absorber.
Comparative example 4：
This comparative example is based on embodiment 3, and the difference with embodiment 3 is without using acrylic acid.
Comparative example 5：
This comparative example is based on embodiment 3, and the difference ultra-violet absorber with embodiment 3 is 2 parts by weight and acrylic acid is 1 weight
Measure part.
By embodiment 1 to embodiment 4, the polyurethane carpentry paint of comparative example 1 to comparative example 5 carries out VOC detections, and carries out
Later stage application detection (over time, observe woodcare paint when during yellowing, pulverization situation).Result of the test is such as
Shown in table 1：
Table 1
| VOC/(g/L) | After 3 months | After 6 months | After 12 months | After 24 months | |
| Embodiment 1 | 275 | Without efflorescence, yellowing | Without efflorescence, slightly yellowing | Slightly efflorescence, beginning yellowing | Part powder of detached, yellowing is serious |
| Embodiment 2 | 292 | Without efflorescence, yellowing | Without efflorescence, slightly yellowing | Slightly efflorescence, beginning yellowing | Part powder of detached, yellowing is serious |
| Embodiment 3 | 280 | Without efflorescence, yellowing | Without efflorescence, yellowing | Without efflorescence, yellowing | Without efflorescence, slightly yellowing |
| Embodiment 4 | 285 | Without efflorescence, yellowing | Without efflorescence, yellowing | Without efflorescence, yellowing | Without efflorescence, slightly yellowing |
| Comparative example 1 | 382 | Without efflorescence, yellowing | Without efflorescence, slightly yellowing | Slightly efflorescence, beginning yellowing | Part powder of detached, yellowing is serious |
| Comparative example 2 | 390 | Without efflorescence, yellowing | Without efflorescence, slightly yellowing | Slightly efflorescence, beginning yellowing | Part powder of detached, yellowing is serious |
| Comparative example 3 | 276 | Without efflorescence, yellowing | Without efflorescence, slightly yellowing | Without efflorescence, start yellowing | Slightly efflorescence, yellowing are serious |
| Comparative example 4 | 278 | Without efflorescence, yellowing | Omit efflorescence, without yellowing | Start efflorescence, slightly yellowing | Part powder of detached, yellowing is serious |
| Comparative example 5 | 282 | Without efflorescence, yellowing | Without efflorescence, slightly yellowing | Start efflorescence, slightly yellowing | Part powder of detached, yellowing is serious |
From the experimental data of table 1：
From modified polyurethane, (modified polyurethane is that silicane-modified polyurethane and acroleic acid polyurethane press 1:1-3's
Mixture), as the base-material of woodcare paint, compared to existing using polyurethane as base-material, it can effectively reduce VOC content.
Add simultaneously ultra-violet absorber 0.5-1 parts by weight and acrylic acid 2-3 parts by weight be conducive to the efflorescence of extension woodcare paint,
The time of yellowing.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (7)
1. the modified low VOC large arch dams aqueous polyurethane wood lacquer of one kind, it is characterised in that including following parts by weight of component：
Modified polyurethane 80-90 parts by weight, defoamer 0-3 parts by weight, wetting agent 0.5-3 parts by weight, solvent 1-3 parts by weight, its
In, the modified polyurethane is that silicane-modified polyurethane and acroleic acid polyurethane press 1:1-3 mixture.
2. a kind of modified low VOC large arch dams aqueous polyurethane wood lacquer according to claim 1, it is characterised in that by with
Lower parts by weight of component composition：
Modified polyurethane 80-90 parts by weight, defoamer 0-3 parts by weight, wetting agent 0.5-3 parts by weight, solvent 1-3 parts by weight, its
In, the modified polyurethane is that silicane-modified polyurethane and acroleic acid polyurethane press 1:1-3 mixture.
3. a kind of modified low VOC large arch dams aqueous polyurethane wood lacquer according to claim 1, it is characterised in that also wrap
Include ultra-violet absorber 0.5-1 parts by weight and acrylic acid 2-3 parts by weight.
4. a kind of modified low VOC large arch dams aqueous polyurethane wood lacquer according to claim 1 or 2, it is characterised in that institute
It is acetic acid esters and the mixture of ketones solvent to state solvent.
5. a kind of modified low VOC large arch dams aqueous polyurethane wood lacquer according to claim 4, it is characterised in that described
Solvent is that ethyl acetate or butyl acetate and acetone or cyclohexanone press 2-3:1 mixture.
6. a kind of preparation method of low VOC large arch dams aqueous polyurethane wood lacquer modified as described in any one of claim 1 to 5,
It is characterised in that it includes following steps：
1), silicane-modified polyurethane and acroleic acid polyurethane are mixed in proportion modified polyurethane is made；
2) modified polyurethane, wetting agent and solvent, are proportionally added into successively into container, froth breaking is added under conditions of stirring
Agent.
7. the preparation method of low VOC large arch dams aqueous polyurethane wood lacquer is modified according to claim 6, it is characterised in that
Rotating speed during stirring is controlled in 400-500r/min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710287313.3A CN107033770A (en) | 2017-04-27 | 2017-04-27 | Modified low VOC large arch dams aqueous polyurethane wood lacquer of one kind and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710287313.3A CN107033770A (en) | 2017-04-27 | 2017-04-27 | Modified low VOC large arch dams aqueous polyurethane wood lacquer of one kind and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1397618A (en) * | 2002-07-04 | 2003-02-19 | 许凤和 | Environment protection type water polyester paint for wood products and its preparing process |
| CN101054493A (en) * | 2006-04-10 | 2007-10-17 | 东莞市英科水墨有限公司 | Environment protection high hardness strong water proof carpentry paint and preparing method thereof |
| CN104762012A (en) * | 2015-03-24 | 2015-07-08 | 田福东 | Environmental-friendly type water-based woodenware paint |
| CN104877538A (en) * | 2015-05-19 | 2015-09-02 | 上海化工研究院 | Waterborne strippable polyurethane coating and preparation method thereof |
| CN105385336A (en) * | 2015-12-29 | 2016-03-09 | 上海宏盾防伪材料有限公司 | Velvet anti-scratch waterborne polyurethane paint |
-
2017
- 2017-04-27 CN CN201710287313.3A patent/CN107033770A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1397618A (en) * | 2002-07-04 | 2003-02-19 | 许凤和 | Environment protection type water polyester paint for wood products and its preparing process |
| CN101054493A (en) * | 2006-04-10 | 2007-10-17 | 东莞市英科水墨有限公司 | Environment protection high hardness strong water proof carpentry paint and preparing method thereof |
| CN104762012A (en) * | 2015-03-24 | 2015-07-08 | 田福东 | Environmental-friendly type water-based woodenware paint |
| CN104877538A (en) * | 2015-05-19 | 2015-09-02 | 上海化工研究院 | Waterborne strippable polyurethane coating and preparation method thereof |
| CN105385336A (en) * | 2015-12-29 | 2016-03-09 | 上海宏盾防伪材料有限公司 | Velvet anti-scratch waterborne polyurethane paint |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170811 |