Pat‐Add DA 1666
M li
Multi purpose Additive for Solvent Borne Coating
Addi i f S l
B
C i
A Sustainable Approach to Modern Coating Technology
Flow of presentation
fp
 Introduction
 Multifunctionality and Multicompatibility
 Pat‐Add
dd DA 1666 in
i 2K PU, Alkyd
lk d and
d Epoxy red
d oxide
id Zinc
i
phosphate primer
 Pat‐Add DA 1666 in PU, Alkyd and Epoxy white paint
 Pat‐Add DA 1666 as Compatibilizer
 Conclusions
Introduction
 Conventionallyy each additive has one functionalityy and it will be
delivered to the paint
 Conventional additives are mono functional
 One additive One functionality “Monofuctional”
Monofuctional
 More number of additives make the formulation complex
 Intricate manufacturing process
 High
Hi h number
b off stockk material
i l – Difficult
Diffi l in
i stockk maintenance
i
Pat Add DA 1666
Pat‐Add DA 1666
 Specially designed polymer with multiple functionalities
 Electro neutral in nature
 Multicompatibility
 Strong
S
wetting
i off pigments,
i
extender
d and
d contribute
ib
to best
b
dispersion stability
 Inhibit hard sedimentation during paint storage
Multifunctionality and Multicompatibility
Multifunctionality and Multicompatibility
• Wetting and Dispersing
• Flooding
• Compatibilizer
• Deflocculation
PU resin
Epoxy
Pat‐Add DA 1666
Alkyd
• Anti‐Settling agent
Other SB system
• Anti‐Sagging agent
Multi functions of Pat Add DA 1666
Multi functions of Pat‐Add DA 1666
 Excellent wettingg and dispersing
p
g agent
g
for fillers, inorganic
g
and organic pigments
 Effective for reactive pigments such as Zinc phosphate
 Reduced millbase viscosity and milling time for highly
pigmented primer and direct grinding systems
Multi functions of Pat‐Add DA 1666
f
f
 Act as a compatibilizer even in post addition
 Good anti sagging property even with low viscosity of primer
 Provides excellent longg term stabilityy for the p
primer and other
high pigmented system
 Provides excellent anti‐sedimentation features
2K PU / Alkyd red oxide Zinc phosphate primer
2K PU / Alkyd red oxide Zinc phosphate primer Primer consists of
 Red Oxide,, Yellow oxide,, Barytes
y
– Heavyy p
pigment
g
 Zinc Phosphate
– Functional extender
Challenges in primer system
 Dispersion of reactive and functional pigments
 Sedimentation of heavy pigment
Guideline Formulations
2K PU red oxide Zinc phosphate primer
p p
p
Alkyd red oxide Zinc phosphate primer
Alkyd red oxide Zinc phosphate primer
RM description
Part A
Pat‐Add DA 1666
Red oxide
Zincphosphate pigment
Calcite
Talc
Acrylic polyol
Xylene
Butyl Acetate
Qty (g)
0.25
8.00
8.00
22.00
10.00
18.00
10.00
4.50
y
Longg oil alkyd
Pat‐Add DA 1666
Red Oxide
Zincphosphate pigment
Talc
CaCO3, 800 mesh
Xylene
White spirit
25.00
0.60
15.00
8.50
10.50
10.50
2.00
5.00
Acrylic polyol
Butyl Acetate
Acrylic polyol
1% DBTL
Butyl Acetate
Total
3.00
3.00
9.00
0.20
4.05
100.00
Long oil alkyd
Patchom 24
White spirit
Xylene
MEKO
Total
10.00
1.00
4.00
7.70
0.20
100.00
Part B
D
Desmodur
d N‐75 as such
N 75
h
Mixing ratio Part A:B (g)
100:3
RM description
Qty (g)
Properties
Alkyd red oxide Zinc phosphate primer
Pat Add
Pat‐Add Reference
Properties
DA 1666
Paint viscosity (KU)
85
90 Fineness of grind (µ)
25 30 Grinding time (hour)
2
2
Mill base viscosity (cP) for 2K PU primer
820
810
Viscosity (cP
P)
2K PU red oxide Zinc phosphate primer
P t Add
Pat‐Add Reference
Properties
DA 1666
Mill base viscosity (cP)
814
822 Paint viscosity (cP)
325
342 Fineness of grind (µ)
25 30 Grindingg time ((hour))
2 2
800
790
780
770
PatPat‐Add DA 1667
Pat Add DA 1666 Reference
Add DA 1666
Reference
Com 1
Observations
 Pat‐Add DA 1666 reduces the mill base viscosity and hence increases
the grinding efficiency
 Reduces the milling time
 Good dispersion for reactive and heavy pigments
 No floatation observed
Pat Add DA 1666
Reference
Anti‐sagging property
2K PU red oxide primer Alkyd red oxide primer Reference Pat Add DA 1666
Reference Pat Add DA 1666
 Pat‐Add
Pat Add DA 1666 acts as a anti‐sagging
anti sagging agent
 In 2K PU sag index of 150µ is achieved
 In Alkyd system sag resistance up to 275µ
 It is having good sag resistance even with lower viscosity
Stabilityy
Pat Add DA 1666 Reference  Pat
Pat‐Add
Add DA 1666 provides
excellent
anti
settling
property
 Prevents pigment Prevents pigment
sedimentation and resin separation
Epoxy red oxide Zincphosphate primer Raw Materials
PBW
Epikote 1001
PAT ADD DA 1666
PAT‐ADD DA 1666
Viscogel B4
PR 101
Micronised Talcum Omayacarb 3 HF
Zi Ph h t
Zinc Phosphate
Xylene
Butyl Cellosolve
23.23
0 60
0.60
0.30
5.75
8.00
19.25
7 00
7.00
5.79
10.08
Epikote 1001
Butyl Cellosolve
Butyl Cellosolve
Xylene
Total
14.00
3 00
3.00
3.00
100.00
Performance studies
Sag Resistance Test
 Observed no sagging up to 300µ
Cross‐hatch adhesion test
 Adhesion passes 5B
Flexibility test
 No cracks observed on bending
Pat Add DA 1666 in Alkyd PU and Epoxy Topcoats
Pat‐Add DA 1666 in Alkyd, PU and Epoxy Topcoats
 Pat‐Add
DA
1666
has
excellent
compatibility
with
Alkyd Polyurethane and Epoxy systems
Alkyd,
 The Multifunctionality of Pat‐Add DA 1666 is utilized for the
development of white topcoats
 Pat‐Add
Pat Add DA 1666 enhances the brightness of white paint in
Alkyd, PU and Epoxy system
Guideline Formulations
Alkyd based white
2K Polyurethane white
RM description
RM
description
Long oil alkyd
Viscogel B4
Pat Add DA 1666
Pat‐Add DA 1666 TiO2 Rutile
Xylene
Whi S i i
White Spirit
Qty (g)
Qty
(g)
20.00
0.50
0 25
0.25
22.00
10.00
5 00
5.00
Long oil alkyd
Pat com 24
MEKO
Xylene
Total
30.00
1.80
0.30
10.15
100.00
RM description
RM
description
Part A
Acrylic polyol
Viscogel B4
Pat‐Add DA 1666
Qty (g)
Qty (g)
TiO2 Rutile
PU solvent
PU solvent
22.00
4 00
4.00
Acrylic polyol
Pat‐Add
Pat
Add LE 1020
LE 1020
1% DBTL
PU solvent
Total
30.00
0.30
0.20
12.75
100.00
30.00
0.50
0.25
Part B
Desmodur N‐75
g
Mixing ratio Part A:B (weight)
100:28
Pat Add DA 1666 in Epoxy system
Pat‐Add DA 1666 in Epoxy system
Epoxy white
RM description
p
Qty (g)
y (g)
Part A
Epoxy resin
Viscogel B4
Pat‐Add DA 1666 TiO2 Rutile
Epoxy Solvent
Epoxy Solvent
20.00
0.50
0.25
22.00
10 00
10.00
Epoxy resin
Pat Add LE 1020
Pat‐
Add LE 1020
Epoxy Solvent
Total
25.00
0 20
0.20
22.05
100.00
P tB
Part B
60% Synpol 115 solution
Mixing ratio Part A:B ( i h)
(weight)
100:30
Properties
p
Properties
p
Mill base viscosity (cps)
Paint viscosity (cps)
i
i
i ( )
Alkyd white
PU white
Epoxy white
Pat‐Add Pat
Add Reference Pat
Pat‐Add Add Reference Pat
Pat‐Add Add Reference
DA 1666
DA 1666
DA 1666
359
160
402
232
865
481
910
550
536
225
549
370
 Pat‐Add DA 1666 is used in the development of white topcoat in PU, Alkyd and Epoxy systems
 Excellent wetting and dispersion of TiO2 pigment
 Observed reduced mill base viscosity and paint viscosity
Pat‐Add DA 1666 in white paint
p
 Improves the L*( brightness) value of white paint in all the systems
 Low yellow index values Low yellow index values
 Excellent gloss values
Yellow Index
L* values
Gloss Value
3.44
94.86
90.9
90.4
2.26
20⁰
83.4
93.87
Pat Add DA 1666 Reference
Pat ‐Add DA 1666
Comp 1
81.5
Pat Add DA 1666 Reference
Pat ‐Add DA 1666
Comp 1
Alkyd white paint Pat Add DA 1666 Reference
Pat ‐Add DA 1666
Comp 1
60⁰
2K Polyurethane white paint
L* values
Yellow Index
94.86
Gloss Value
3.44
91.2
76.8
74.1
83.2
2.26
20⁰
60⁰
93.87
Pat ‐Add DA 1666
Comp 1
Pat Add DA 1666 Reference
Pat Add DA 1666 Com 1
Pat ‐Add DA 1666
Comp 1
Pat Add DA 1666 Reference
Pat Add DA 1666 Reference
Pat Add DA 1666 Com 1
Pat ‐Add DA 1666
Comp 1
Epoxy white paint
Epoxy white paint
L* values
Yellow Index
Gloss Value
94.86
3 44
3.44
91.5
2.26
97.1
90.4
75.1
20⁰
93.87
Pat Add
AddDA
DA1666
1666
Pat ‐Add DA 1666
Comp 1
PPat Add DA 1666 Reference
CReference
1
60⁰
60
Pat Add DA 1666 Com 1
Pat Add
DA1666
1666
Reference
Pat ‐Add DA 1666
Comp 1
PPat Add DA 1666 Reference
Add DA
CCom 11
Pat Add DA 1666 Com 1 Pat Add DA 1666 Reference
Pat Add
Reference
Com 1
Pat ‐Add DA 1666
dd DA 1666
Comp 1
Pat‐Add DA 1666 as compatibilizer
The compatibility of colorants with base paint or different types
of pigments in co‐grinding system may leads to the following
issues in the final paint.
p
 Poor Colour Development  Poor Rub‐Test
 Flooding and floating g
g
 Poor storage Stability
“Pat‐Add DA 1666 acts as a compatibilizer in post addition and solve all the compatibility related issues”
and solve all the compatibility related issues
Post addition of Pat‐Add DA 1666 in 2K PU Dark grey Pat‐Add DA 1666
Blank
 Color
development
issues is solved by post
addition of 1% Pat‐Add
DA 1666
Potential application
 Performance coatings
 Decorative coatings
g
 Metal Coatings
 Plastic coating
 General
G
l Industrial
I d
i l coatings
i
Conclusions
Pat‐Add DA 1666 acts as
Wetting and dispersing agent highly pigmented system
Anti floculating agent Anti sagging agent
Anti settling agent