CN101353551A - Environment protective polyurethane silk white paint for woodware and metal - Google Patents

Environment protective polyurethane silk white paint for woodware and metal Download PDF

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Publication number
CN101353551A
CN101353551A CNA200810211115XA CN200810211115A CN101353551A CN 101353551 A CN101353551 A CN 101353551A CN A200810211115X A CNA200810211115X A CN A200810211115XA CN 200810211115 A CN200810211115 A CN 200810211115A CN 101353551 A CN101353551 A CN 101353551A
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China
Prior art keywords
component
parts
agent
white paint
metal
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Pending
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CNA200810211115XA
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Chinese (zh)
Inventor
陈炳耀
陈炳强
廖毅
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FOSHAN SHUNDE CHART TRADE DOPE Co Ltd
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FOSHAN SHUNDE CHART TRADE DOPE Co Ltd
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Priority to CNA200810211115XA priority Critical patent/CN101353551A/en
Publication of CN101353551A publication Critical patent/CN101353551A/en
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Abstract

The invention relates to environmentally-friendly mercerizing polyurethane white paint used for environmentally-friendly woodware and metal, consisting of a component A, a component B and a component C that are mixed evenly by weight ratio that component A: component B: component C is equal to 1: 0.4 to 0.6: 0.5 to 0.6 when in use. The component A is obtained from the following ingredients by weight ratio: coconut oil alkyd resin, 45 to 55 parts; propylene glycol methyl ether propionate, 2 to 5 parts; n-butyl acetate, 3 to 6 parts; dispersing agent, 0.3 to 0.5 part; Tian-shuang brand anion auxiliaries, 1 to 2 parts; titanium dioxide, 30 to 40 parts; extinction powder, 5 to 7 parts; anti-yellow auxiliaries, 1 to 3 parts; Lubrizol 1400SF, 1 to 3 parts; Tian-shuang brand deodorant, 0.2 to 0.5 part; defoamer, 0.2 to 0.5 part; and leveling agent of 0.3 to 0.5 part. The component B is obtained from the following ingredients by weight ratio: n-butyl acetate, 30 to 50 parts; HDI trimer poly isocyanate, 22 to 30 parts; and HDI-TDI trimer, 30 to 40 parts. The component C is obtained from the following ingredients by weight ratio: n-butyl acetate, 75 to 85 parts; and propylene glycol methyl ether propionate, 15 to 25 parts. The environmentally-friendly mercerizing polyurethane white paint used for woodware and metal of the invention has the advantages of: 1. strict selection, ultra-low-free TDI and low odor; 2. good product adhesion, good flexibility and good anti-cracking and anti-shedding performance; 3. high white coating, excellent anti-yellowing performance, good hiding power, good fullness and high delicate touch; 4. good construction performance, fast low-temperature drying, surface drying at room temperature for 25 minutes, brush painting or spray painting, convenient grinding, substrate settlement workload reduction, and production efficiency improvement; and 5. negative ions release.

Description

Environmental protection woodenware, metal urethane mercerising white paint
Technical field:
The present invention relates to environmental protection woodenware, metal urethane mercerising white paint.
Background technology:
Polyurethane paint is the coating a kind of commonly used based on saturated polyester resin.It is a kind of coating with high comprehensive performance, and is formulated by proportioning by three components or two component when generally using.It is widely used in the application and the decoration of metal, woodenware material surface.Along with the continuous development of domestic application and decoration industry, also more and more higher to the requirement of the surface effect of application.Wherein the coating of mercerising white paint is popular on market.Especially on the external coating market of expensive goods, the demand of mercerising white paint is more and more.High-quality application proposes more and more higher requirement to coating.Under the competition between industry was growing more intense reality, application market is urgent to be sought and has the easy construction and the coating of environment-friendly type efficiently.The existing urethane white paint FAQs of existing market is: in the conventional prescription, the urethane white paint is brought phenyl ring (tolylene diisocyanate and TriMethylolPropane(TMP) prepolymer) into because of containing a large amount of two strandss in the resin in the solidifying agent of compatibility; Paint film easily turns to be yellow, and is easy to crack, and poor adhesive force influences surface effect.Increase the environment-friendly function of more products functional characteristics expansion product; The product that has easy construction simultaneously.High-grade environmental protection woodenware, the metal of exploitation become urgent market demands with urethane mercerising white paint.The needs in existing market expensive goods application market have been satisfied.
Summary of the invention:
Environmental protection woodenware of the present invention, metal satisfy the particular requirement of existing expensive goods application specially with urethane mercerising white paint.It is main resin that choosing will have been used the Oleum Cocois Synolac, can provide high adhesive force at woodenware and metallic surface, high-flexibility, mercerising white paint easy to use.Optimized prescription simultaneously, overcome the shortcoming of prior art: make it have low temperature and do speed soon, the anti-jaundice property of paint film is good, the good characteristics of cracking resistance and anti-deciduous.Also add the environment-friendly function of functional negative-ion auxiliary agent expansion product, had good application property simultaneously.Environmental protection woodenware of the present invention, metal urethane mercerising white paint, it is made up of first component, component B and third component, three components.When using by weight being the first component: component B: third component=1: 0.4~0.6: 0.5~0.6 mixes and gets final product.Environmental protection woodenware, metal are made up of following composition by weight with urethane silk white paint formula:
The first component:
45~55 parts of Oleum Cocois Synolac
2~5 parts of propylene glycol monomethyl ether acetates
3~6 parts of N-BUTYL ACETATEs
0.3~0.5 part of dispersion agent
1~2 part of it refreshing board negative-ion auxiliary agent
30~40 parts of titanium dioxides
5~7 parts of flatting silicas
1~3 part of anti-xanthochromia agent
1~3 part of Lu Borun 1400SF
0.2~0.5 part of it refreshing board deodovization agent
0.2~0.5 part of defoamer
0.3~0.5 part of flow agent
Described Oleum Cocois Synolac is for reaching 3815X70C earlier;
Described dispersion agent agent comprises among EFKA4010, the BYK-163 at least a;
Described anti-xanthochromia agent is at least a for comprising among vapour crust UV-2, the vapour crust UV-531;
Described defoamer is at least a among DEUCHEM6500, the DEUCHEM5300;
Described flow agent is at least a among DEUCHEM432, the BYK-310;
Component B: 30~40 parts of 30~50 parts of N-BUTYL ACETATEs, 22~30 parts of HDI tripolymer polymeric polyisocyanates and HDI-TDI tripolymers;
Third component: 15~25 parts of 75~85 parts of N-BUTYL ACETATEs and propylene glycol monomethyl ether acetates.
Environmental protection woodenware of the present invention, metal use urethane mercerising white paint preparation method as follows:
First component:, under 800~1200 rev/mins rotating speeds stir, disperseed 15~40 minutes by weight Oleum Cocois Synolac, propylene glycol monomethyl ether acetate, N-BUTYL ACETATE, dispersion agent, negative-ion auxiliary agent, titanium dioxide input are disperseed cylinder; Through being ground to fineness≤20 μ m; Under 800~1200 rev/mins rotating speed, add flatting silica, disperseed 8~35 minutes; Add anti-yellow auxiliary agent, Lu Borun 1400SF, day refreshing board deodovization agent, defoamer, flow agent, under 400~800 rev/mins rotating speed, disperseed 5~30 minutes; After the assay was approved, promptly can be made into the first component;
Component B: after N-BUTYL ACETATE, HDI tripolymer polymeric polyisocyanate and HDI-TDI tripolymer are mixed, stir evenly, promptly can be made into component B;
Third component: third component promptly can be made into third component by weight N-BUTYL ACETATE and propylene glycol monomethyl ether acetate are mixed to stir evenly;
Be the first component when using by weight ratio: component B: third component=1: 0.4~0.6: 0.5~0.6 mixes and gets final product.
The present invention compares with existing other synthetic resins urethane mercerising white paint, has following advantage:
1. strict selection, ultralow free TDI, low smell;
2. product sticking power is good, snappiness is good, and cracking resistance and anti-deciduous are good;
3. paint film whiteness height, yellowing resistance is excellent, and opacifying power is good, fullness ratio height, feel exquisiteness;
4. application property is good, has low temperature and does speed soon, and 25 minutes surface dryings of normal temperature can spray or brush, and polishing is convenient, reduces the workload of substrate treatment, enhances productivity;
5. can discharge negative ion.
Embodiment:
Concrete enforcement 1:
First component: disperse cylinder by weight 50 parts of Oleum Cocois Synolac, 3 parts of propylene glycol monomethyl ether acetates, 3.7 parts of N-BUTYL ACETATEs, 1 part of the refreshing board negative-ion auxiliary agent in EFKA4010 0.3 part, day, titanium dioxide are dropped into for 34 parts, under 1200 rev/mins rotating speeds stir, disperseed 20 minutes; Through being ground to fineness≤20 μ m; Under 800 rev/mins rotating speed, add 5 parts of flatting silicas, disperseed 15 minutes; Add 1 part of UV-2 of vapour crust, 0.3 part of the refreshing board deodovization agent in Lu Borun 1400SF 1 part, day, 0.3 part of DEUCHEM6500,0.4 part of DEUCHEM432, under 800 rev/mins rotating speed, disperseed 10 minutes; After the assay was approved, promptly can be made into the first component;
Component B:, promptly can be made into component B by weight with stirring evenly after 40 parts of N-BUTYL ACETATEs, 23 parts of HDI tripolymer polymeric polyisocyanates and 37 parts of mixing of HDI-TDI tripolymer;
Third component: by weight can be made into stirring evenly promptly after 75 parts of N-BUTYL ACETATEs and 25 parts of mixing of propylene glycol monomethyl ether acetate;
Be the first component when using by weight ratio: component B: third component=1: 0.5: 0.6 mixes and gets final product.
Concrete enforcement 2:
First component: disperse cylinder by weight 50 parts of Oleum Cocois Synolac, 3.8 parts of propylene glycol monomethyl ether acetates, 2.9 parts of N-BUTYL ACETATEs, 1 part of the refreshing board negative-ion auxiliary agent in EFKA4010 0.3 part, day, titanium dioxide are dropped into for 34 parts, under 1200 rev/mins rotating speeds stir, disperseed 20 minutes; Through being ground to fineness≤20 μ m; Under 800 rev/mins rotating speed, add 5 parts of flatting silicas, disperseed 15 minutes; Add 1 part of UV-531 of vapour crust, 0.3 part of the refreshing board deodovization agent in Lu Borun 1400SF 1 part, day, 0.3 part of DEUCHEM5300,0.4 part of BYK-310, under 800 rev/mins rotating speed, disperseed 8 minutes; After the assay was approved, promptly can be made into the first component;
Component B:, promptly can be made into component B by weight with stirring evenly after 40 parts of N-BUTYL ACETATEs, 23 parts of HDI tripolymer polymeric polyisocyanates and 37 parts of mixing of HDI-TDI tripolymer;
Third component: by weight can be made into stirring evenly promptly after 75 parts of N-BUTYL ACETATEs and 25 parts of mixing of propylene glycol monomethyl ether acetate;
Be the first component when using by weight ratio: component B: third component=1: 0.5: 0.5 mixes and gets final product.
Concrete enforcement 3:
First component: disperse cylinder by weight 49 parts of Oleum Cocois Synolac, 3 parts of propylene glycol monomethyl ether acetates, 3.7 parts of N-BUTYL ACETATEs, 1 part of the refreshing board negative-ion auxiliary agent in BYK-163 0.3 part, day, titanium dioxide are dropped into for 35 parts, under 1200 rev/mins rotating speeds stir, disperseed 20 minutes; Through being ground to fineness≤20 μ m; Under 800 rev/mins rotating speed, add 5 parts of flatting silicas, disperseed 15 minutes; Add vapour crust UV-21 part, 0.3 part of the refreshing board deodovization agent in Lu Borun 1400SF 1 part, day, 0.3 part of DEUCHEM6500,0.4 part of BYK-310, under 800 rev/mins rotating speed, disperseed 8 minutes; After the assay was approved, promptly can be made into the first component;
Component B:, promptly can be made into component B by weight with stirring evenly after 40 parts of N-BUTYL ACETATEs, 23 parts of HDI tripolymer polymeric polyisocyanates and 37 parts of mixing of HDI-TDI tripolymer;
Third component: by weight can be made into stirring evenly promptly after 75 parts of N-BUTYL ACETATEs and 25 parts of mixing of propylene glycol monomethyl ether acetate;
Be the first component when using by weight ratio: component B: third component=1: 0.6: 0.5 mixes and gets final product.
The main raw material(s) title, technical indicator:
1. Oleum Cocois Synolac
Oils: Oleum Cocois
Outward appearance: water-white is to the transparent thick liquid of little Huang
Admittedly contain (%): 70 ± 2
Hydroxyl value (mgKOH/g): 130 ± 5
Acid number (mgKOH/g): 8 ± 1
Viscosity (mpas/25 ℃): 30000~50000
Solvent: N-BUTYL ACETATE.
2. propylene glycol monomethyl ether acetate, technical grade
3.EFKA4010
Outward appearance: little yellow thick liquid
Non-volatile composition (%): 50
Solvent: N-BUTYL ACETATE/alkylbenzene.
4.BYK-163
Outward appearance: little yellow thick liquid
Non-volatile part (%): 45
Flash-point (℃): 28
(20 ℃/g/cm of density 3): 0.998
Solvent: dimethylbenzene.
5. day refreshing board negative-ion auxiliary agent
Outward appearance: pale powder
Granularity (μ m) :≤5
Non-volatile composition (%): 100
Chemical constitution: SiO 2, A 2O 3, B 2O 3, Fe 2O 3, MgO etc.
Anion emission power: 〉=8000/cm 3
Antibiotic: greater than 0.9
6. titanium dioxide
Fineness (μ m) :≤15
Whiteness (%): 〉=98
7. flatting silica
Outward appearance: white powder
Oil number (g/100g):<350
Footpath grain (nm) :≤600
8. vapour clings to UV-531
Outward appearance: yellowish or yellow powder
Molten point (℃): 46~49.5
9. the vapour crust resists yellow auxiliary agent UV-2
Non-volatile composition (%): 98
Volatilization composition (%): 0.5
Ashes (%) :≤0.1
10. profit 1400SF is won on the road
Outward appearance: yellowish or yellow powder
Molten point (℃): 129
Particle diameter (μ m): 7.5~9.
11. it refreshing board deodovization agent
Outward appearance: yellowish liquid
Flash-point (℃): 〉=50
12.DEUCHEM5300
Outward appearance: colourless to little yellow transparent liquid
Effective ingredient (%): 0.46~0.53
Flash-point (℃): 49
13.DEUCHEM6500
Outward appearance: colourless to little yellow clarified liq
Solvent: pimelinketone
Flash-point (℃): 50
14.BYK-310
Outward appearance: colourless to little Huang, transparent liquid
Effective ingredient (%): 25
Flash-point (℃): 25
(20 ℃/g/cm of density 3): 0.91
15.DEUCHEM432
Outward appearance: colourless to little Huang, transparent liquid
Effective ingredient (%): 13~14
Flash-point (℃): 28
16.HDI tripolymer polymeric polyisocyanate:
Admittedly contain (%): 90 ± 1
Viscosity (mpas/25 ℃): 300~600
NCO(%):19.2~19.8
Trip amount TDI (%) :≤0.5
17.HDI-TDI tripolymer:
Admittedly contain (%): 60
Viscosity (mpas/25 ℃): 500
Free TDI (%) :≤0.2
Solvent: N-BUTYL ACETATE
NCO(%):10.6
Proportion: 1.13
Trip amount TDI (%) :≤0.5
18. N-BUTYL ACETATE, technical grade.
Through the product sampling inspection with reference to GB18581-2001 and company standard, its main performance index such as following table
Test item Standard-required Assay
Former lacquer outward appearance The white thick liquid Meet
Paint film color and outward appearance Smooth smooth, meet aberration Meet
First component solids content (%) ≥40 70
Viscosity (CPS/25 ℃) / 3700
Fineness (μ m) first component fineness (μ m) component B fineness (μ m) / ≤30 ≤20 / 25 10
Dry (25 ℃) surface dryings (min) are done solid work (h) 30 30 18 22
Sticking power (level) ≤3 1
Hardness HB 2H
Thermotolerance (90 ± 15min) (levels) 2 2
Yellowing resistance (tanning by the sun 7 days) No considerable change Meet
Volatile organic compounds (g/L) ≤700 486
Benzene (%) ≤0.5 Do not detect
Toluene+dimethylbenzene (%) ≤40 12
Free toluene diisocyanate (%) ≤0.5 0.1

Claims (7)

1. environmental protection woodenware, metal are with urethane mercerising white paint, and it is made up of first component, component B and third component, three components.When using by weight being the first component: component B: third component=1: 0.4~0.6: 0.5~0.6 mixes and gets final product.The first component is by weight being made up of following composition: 45~55 parts of Oleum Cocois Synolac, 2~5 parts of propylene glycol monomethyl ether acetates, 3~6 parts of N-BUTYL ACETATEs, 1~2 part of the refreshing board negative-ion auxiliary agent in dispersion agent 0.3~0.5 part, day, 30~40 parts of titanium dioxides, 5~7 parts of flatting silicas, 1~3 part of anti-yellow auxiliary agent, 0.2~0.5 part of the refreshing board deodovization agent in Lu Borun 1400SF 1~3 part, day, 0.2~0.5 part of defoamer, 0.3~0.5 part of flow agent; Component B is by weight being made up of following composition: 30~40 parts of 30~50 parts of N-BUTYL ACETATEs, 22~30 parts of HDI tripolymer polymeric polyisocyanates and HDI-TDI tripolymers; Third component is by weight being made up of following composition: 15~25 parts of 75~85 parts of N-BUTYL ACETATEs and propylene glycol monomethyl ether acetates.
2. environmental protection woodenware as claimed in claim 1, metal is characterized in that with urethane mercerising white paint this first component, component B, third component each component preparation composition by weight summation are respectively 100.
3. environmental protection woodenware as claimed in claim 1, metal urethane mercerising white paint, its special character is: its production method may further comprise the steps:
First component:, under 800~1200 rev/mins rotating speeds stir, disperseed 15~40 minutes by weight Oleum Cocois Synolac, propylene glycol monomethyl ether acetate, N-BUTYL ACETATE, dispersion agent, negative-ion auxiliary agent, titanium dioxide input are disperseed cylinder; Through being ground to fineness≤20 μ m; Under 800~1200 rev/mins rotating speed, add flatting silica, disperseed 8~35 minutes; Add anti-yellow auxiliary agent, Lu Borun 1400SF, day refreshing board deodovization agent, defoamer, flow agent, under 800 rev/mins rotating speed, disperseed 5~30 minutes; After the assay was approved, promptly can be made into the first component;
Component B: stir evenly by weight N-BUTYL ACETATE, HDI tripolymer polymeric polyisocyanate and HDI-TDI tripolymer are mixed, promptly can be made into component B;
Third component: promptly can be made into third component by weight N-BUTYL ACETATE and propylene glycol monomethyl ether acetate are mixed to stir evenly.
4. environmental protection woodenware as claimed in claim 1, metal urethane mercerising white paint, its special character is: the dispersion agent agent is at least a among EFKA4010, the BYK-163.
5. environmental protection woodenware as claimed in claim 1, metal urethane mercerising white paint, its special character is: defoamer is at least a among DEUCHEM6500, the DEUCHEM5300.
6. environmental protection woodenware as claimed in claim 1, metal urethane mercerising white paint, its special character is: flow agent is at least a among DEUCHEM432, the BYK-310.
7. environmental protection woodenware as claimed in claim 1, metal urethane mercerising white paint, its special character is: anti-xanthochromia agent is at least a among vapour crust UV-2, the vapour crust UV-531.
CNA200810211115XA 2008-08-26 2008-08-26 Environment protective polyurethane silk white paint for woodware and metal Pending CN101353551A (en)

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Application Number Priority Date Filing Date Title
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101857693A (en) * 2010-06-25 2010-10-13 佛山市顺德区高怡新塑料有限公司 Preparation method of negative-ion master batch
CN101962511A (en) * 2010-10-25 2011-02-02 江苏冠军涂料科技集团有限公司 Novel polyurethane white primer for wooden ware protection
CN102061123A (en) * 2009-11-18 2011-05-18 上海富臣化工有限公司 Polyurethane matte white finish coat for non-benzene and odor-free furniture
CN102120910A (en) * 2011-01-24 2011-07-13 广东嘉宝莉化工集团有限公司 Environmentally-friendly solvent type woodware coating with formaldehyde-absorbing function and preparation method thereof
CN102146261A (en) * 2010-05-29 2011-08-10 中山市丽莎涂料有限公司 Environment friendly anti-ageing herbal polyurethane white paint for woodware
CN103045060A (en) * 2012-11-30 2013-04-17 无锡市虎皇漆业有限公司 Solvent type high-gloss white finishing paint and preparation method thereof
CN103725181A (en) * 2013-12-11 2014-04-16 上海嘉宝莉涂料有限公司 Smellless wear-resisting polyurethane semigloss varnish and preparation method thereof
CN104152033A (en) * 2014-08-28 2014-11-19 广西梧州龙鱼漆业有限公司 Metal primer
CN104356925A (en) * 2014-10-31 2015-02-18 三棵树涂料股份有限公司 Low-odor polyurethane open white primer and preparation method thereof
CN104449327A (en) * 2013-09-17 2015-03-25 立邦涂料(中国)有限公司 Anti-yellowing bi-component polyurethane woodware semigloss varnish
CN104629595A (en) * 2013-11-14 2015-05-20 广州市海骊化工有限公司 Environment-friendly odorless nano furniture paint (oily)
CN108219647A (en) * 2018-01-05 2018-06-29 吕跃文 Aqueous double-component negative oxygen ion woodware white paint and preparation method thereof

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102061123A (en) * 2009-11-18 2011-05-18 上海富臣化工有限公司 Polyurethane matte white finish coat for non-benzene and odor-free furniture
CN102061123B (en) * 2009-11-18 2013-06-12 上海富臣化工有限公司 Polyurethane matte white finish coat for non-benzene and odor-free furniture
CN102146261A (en) * 2010-05-29 2011-08-10 中山市丽莎涂料有限公司 Environment friendly anti-ageing herbal polyurethane white paint for woodware
CN102146261B (en) * 2010-05-29 2013-12-04 中山市丽莎涂料有限公司 Environment friendly anti-ageing herbal polyurethane white paint for woodware
CN101857693A (en) * 2010-06-25 2010-10-13 佛山市顺德区高怡新塑料有限公司 Preparation method of negative-ion master batch
CN101857693B (en) * 2010-06-25 2013-01-09 广东高怡新工程塑料有限公司 Preparation method of negative-ion master batch
CN101962511B (en) * 2010-10-25 2012-08-29 江苏冠军涂料科技集团有限公司 Novel polyurethane white primer for wooden ware protection
CN101962511A (en) * 2010-10-25 2011-02-02 江苏冠军涂料科技集团有限公司 Novel polyurethane white primer for wooden ware protection
CN102120910B (en) * 2011-01-24 2013-06-26 嘉宝莉化工集团股份有限公司 Environmentally-friendly solvent type woodware coating with formaldehyde-absorbing function and preparation method thereof
CN102120910A (en) * 2011-01-24 2011-07-13 广东嘉宝莉化工集团有限公司 Environmentally-friendly solvent type woodware coating with formaldehyde-absorbing function and preparation method thereof
CN103045060A (en) * 2012-11-30 2013-04-17 无锡市虎皇漆业有限公司 Solvent type high-gloss white finishing paint and preparation method thereof
CN104449327A (en) * 2013-09-17 2015-03-25 立邦涂料(中国)有限公司 Anti-yellowing bi-component polyurethane woodware semigloss varnish
CN104629595A (en) * 2013-11-14 2015-05-20 广州市海骊化工有限公司 Environment-friendly odorless nano furniture paint (oily)
CN103725181A (en) * 2013-12-11 2014-04-16 上海嘉宝莉涂料有限公司 Smellless wear-resisting polyurethane semigloss varnish and preparation method thereof
CN103725181B (en) * 2013-12-11 2016-08-17 上海嘉宝莉涂料有限公司 A kind of smellless wear-resisting polyurethane semigloss varnish and preparation method thereof
CN104152033A (en) * 2014-08-28 2014-11-19 广西梧州龙鱼漆业有限公司 Metal primer
CN104152033B (en) * 2014-08-28 2016-08-10 广西梧州龙鱼漆业有限公司 metal primer
CN104356925A (en) * 2014-10-31 2015-02-18 三棵树涂料股份有限公司 Low-odor polyurethane open white primer and preparation method thereof
CN108219647A (en) * 2018-01-05 2018-06-29 吕跃文 Aqueous double-component negative oxygen ion woodware white paint and preparation method thereof

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Application publication date: 20090128