wb 2k-furniture
TRANSCRIPT
Business Development Wood Coatings
Kitchen Cabinet Coating-highest resistance against
staining liquids
Aqueous two-pack polyurethane coatings
Business Development Wood Coatings
Pigmented coatings:
Bayhydrol XP 2470 and Bayhydur XP 2487/1
Clear coatings:
Bayhydrol XP 2427 and Bayhydur XP 2487/1
2K-WB systems
BAYHYDROL XP 2470
Solid content: 45%
OH content: 3,9% (on solid)
Viscosity: 2.000 mPa·s
BAYHYDROL XP 2470
Solid content: 45%
OH content: 3,9% (on solid)
Viscosity: 2.000 mPa·s
BAYHYDROL XP 2427
Solid content: 42%
OH content: 2% (on solid)
Viscosity: 80 mPa·s
BAYHYDROL XP 2427
Solid content: 42%
OH content: 2% (on solid)
Viscosity: 80 mPa·s
BAYHYDUR XP 2487/1
Solid content: 100%
NCO content: 20,6%
Viscosity: 5400 m Pa·s
BAYHYDUR XP 2487/1
Solid content: 100%
NCO content: 20,6%
Viscosity: 5400 m Pa·s
Business Development Wood Coatings
X = aminosulfonic acid salt
NCO
NCOOCN
NH
OCN
NCO
O O
X
+ H-X
Component B:New development: Anionically modified HDI-trimer
New PIC for 2K-WB coatings: Bayhydur XP 2487/1
Business Development Wood Coatings
2K WB pigmented coatings for furniture
http://www.news.bayer.com/News/News.nsf/id/2003-0292
Bayhydrol XP 2427Bayhydur XP 2487/1
New Raw Materials for pigmented furniture coatings
+ Unique chemical resistance+ Fast drying
Bayhydrol XP 2427Bayhydur XP 2487/1
New Raw Materials for pigmented furniture coatings
+ Unique chemical resistance+ Fast drying
New development for pigmented coatings
Business Development Wood Coatings
Influence of component B on staining resistanceComponent A: Polyacrylate PolyolComponent B: Polyether-modified
HDI Polyisocyanate
Component A: Polyacrylate PolyolComponent B: Aminosulfonic acid -
HDI Polyisocyanate
Mixing ratio Component A / Component B 10:1
Business Development Wood Coatings
TestWaterbased coatingBayhydrol XP 2427
Bayhydur 3100
Waterbased coatingBayhydrol XP 2427Bayhydur XP 2487
Conventional coatingDesmophen A 450
Desmodur N75
Coffee 16 h 3 5 4
Mustard 5 h 4 4 4
Red Wine 5 h 3 5 5
Ethanol 48 % 1 h 4 4 4
Cleaning Agent 1 h 5 5 5
Ammonia 1 h 5 5 5
TestWaterbased coatingBayhydrol XP 2427
Bayhydur 3100
Waterbased coatingBayhydrol XP 2427Bayhydur XP 2487
Conventional coatingDesmophen A 450
Desmodur N75
Coffee 16 h 3 5 4
Mustard 5 h 4 4 4
Red Wine 5 h 3 5 5
Ethanol 48 % 1 h 4 4 4
Cleaning Agent 1 h 5 5 5
Ammonia 1 h 5 5 5
Mixing ratio Component A / Component B 5:1DIN 68861 1b, 0 = destroyed, 5 = no changes
Aqueous two-pack polyurethane coatings
Chemical resistance in pigmented formulationsNew wb system comparable to conventional system
Business Development Wood Coatings
Waterborne 2K PUR system based on Bayhydrol XP 2427/ Bayhydur XP 2487
Mixing / Applikation
Manual / Applikator Stirrer / Applikator 2K-Equip. / Applikator Manual / Spraying Stirrer / Spraying 2K-Equip. / Spraying
Business Development Wood Coatings
Blocking resistance test
Application: 120g/m2
Flash off at RT: 15 min
Drying at 50ºC: 30 / 60 / 90 / 120 / 150 / 180 …. min
Test: surface to surface
- weight 100g/cm2
- or vice
- storing 60 min at 50ºC
0: separation not possible1: very difficult to separate, strong damage2: difficult to separate, slight damage3: sticky feeling, marks remaining4: easy separation, but slight marks still remaining5: easy separation without any change of the surface
evaluation:
Business Development Wood Coatings
Blocking resistance 100g/cm2
0
1
2
3
4
5
0,5 1 1,5 2 2,5 3 hours
XP 2427/2487 LS 2250/3100
Blocking resistance of pigmented coating
Business Development Wood Coatings
Bayhydrol XP 2470 and Bayhydur XP 2487/1
Clear coatings:
2K-WB clear coating
Excellent grain wetting and transparency
Good chemical resistance
Business Development Wood Coatings
Bayhydrol XP 2427 XP 2470 IRL 6250
Lab-products
IRL 6250
Lab-products
Formulation:IRL 6213 IRL 6220 IRL 6225/1 IRL 6225/2
(+ 4%PnP)
Tack free RT 1:45 h > 6h 2:30 h 4 h
„Anfeuerung“** 1 4-5 4 4-5
Pend.hardness 1d, 3d,8d [sec]
50/70/85 105/135/140 115/125/130 65/75/80
Coffee (16h)** 4/ 5* 5/ 5* 5/ 5* 5/ 5*
Red wine (16h)** 4/ 5 4/ 4 4/ 4 4/ 4
Mustard (16h)** 2-3/ 4-5 3/ 4 3/ 4 3/ 4
Water (16h)** 5/ 5 5/ 5 5/ 5 5/ 5
EtOH/H2O(1:1) (1h)** 4/ 5 4/ 5 4/ 5 4/ 5
Blocking resistance 2 h / 40ºC > 6 h / 40ºC 2 h / 40ºC 2,5 h / 40ºC
Gloss 95 93 93 93
* evaluation immediately after exposure / after 3 days** 0=very bad, destroyed / 5= no changes, very good
Bayhydrol XP 2427, 2470, LP IRL 6250Bayhydur XP 2487/1, 80% in MPA, NCO:OH = 1,4 : 1
2K WB clear coatings for furniture
Business Development Wood Coatings
with Bayhydur XP 2487/1
Bayhydrol drying Chem. resistance wetting Wet film transp
XP 2427 + + - -XP 2470 - + + +“6250” + + + +
2K WB clear coatings for furniture
Business Development Wood Coatings
Formulations based on: XP 2427 XP 2470 XP 2427/2470
transparent glossysemiglossy
IRL 6213---
IRL 6220---
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pigmented gossysemiglossy
IRL 6210IRL 6211
FBG 5518/2---
IRL 6215---
Starting formulations