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Over Print Varnish Industry

 
ACRYLIC DISPERSIONS FOR PAPER & INKS

KAMICRYL-2090

STYRENE ACRYLIC COPOLYMER EMULSION FOR USE IN WATER BASED OVERPRINT VARNISHES AND INKS
Hard non-film forming properties. excellent optical clarity high gloss, good heat resistance fast drying.
 
Typical Properties
 
Appearance : Semi translucent emulsion
Non Volatiles : 44 + 1 %
Mol. Weight (wt.av.) : >200,000

Viscosity at 25ºC (Brookfield)

: 200- 400 mPa.s
pH : 8 + 0.5
Acid number (on solids) : 75
Density at 25ºC : 1.05 g/cm³
MFT : > 85ºC
Tg : 111ºC
 
APPLICATIONS
KAMICRYL-2090 is a non film forming emulsion developed for use in water based overprint varnishes and flexographic and gravure inks, providing high heat seal and film release properties. The heat resistant properties may be further enhanced by the addition of Zinc Ammonium Carbonate solution. In overprint varnishes KAMICRYL-2090 additionally provides gloss and optical clarity.
 
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KAMICRYL-2089
STYRENE ACRYLIC COPOLYMER EMULSION FOR USE IN WATER BASED OVERPRINT VARNISHES AND INKS

Hard non-film forming styrene acrylic let down emulsion with good gloss & hold out in formulations for paper & paper board.
 
General Information
TYPICAL PHYSICAL CHARACTERISTICS
 
Appearance : Semi translucent emulsion
Non Volatiles : 48 + 1 %
Mol. Weight (wt.av.) : >200,000

Viscosity at 25ºC (Brookfield)

: 400- 600 mPa.s
pH : 8 + 0.5
Acid number (on solids) : 50
Density at 25ºC : 1.05 g/cm³
MFT : > 88ºC
Tg : > 90ºC
 
APPLICATIONS
KAMICRYL-2089 is a non film forming emulsion developed for use in water based overprint varnishes and flexographic and gravure inks. The properties may be further enhanced by the addition of Zinc oxide solution. In overprint varnishes KAMICRYL-2089 additionally provides gloss, transparency and clarity.
 
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KAMICRYL-2017
ACRYLIC EMULSION USED FOR OVER PRINT VARNISH

Good Gloss
Good film forming properties
Alcohol Compatibility, Adhesion
Good transparency
Economical & cost effective
 
TYPICAL PHYSICAL CHARACTERISTICS:
Appearance : Translucent Emulsion
pH : 8 + 0.5
Non- Volatile % : 45.0 + 1
Viscosity, cps
(Brookfield LVF #2 spindle, 30 rpm, 25ºC)
: 300-700
Glass Transition Temperature, ºC(Tg) : 7
Acid Number, (NV) : 63
Molecular Weight, Mw : >200,000
Minimum Film Forming Temp., ºC : <0
Density, g/cc, (25ºC) : 1.05
Flash Point : None
 
KAMICRYL-2017 is a Rheology Controlled (RC) acrylic polymer emulsion that exhibits good gloss, transparency, and printability on many substrates common to the graphic arts.

Additionally, KAMICRYL-2017 provides: film formation, good rubresistance, water resistance, low foaming, press transfer, high solids, and near Newtonian viscosity.
 
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KAMICRYL-2074
ACRYLIC EMULSION USED FOR OVER PRINT VARNISH Film forming acrylic emulsion with good flexibility & adhesion to various substrates including plastics. It has excellent gloss & transparency and good water & grease resistance.
 
TYPICAL PHYSICAL CHARACTERISTICS:
 
Appearance : Translucent Emulsion
pH : 8 + 0.5
Non- Volatile % : 48.0 + 1
Viscosity, cps
(Brookfield LVF #2 spindle, 30 rpm, 25ºC)
: 500-700
Glass Transition Temperature, ºC(Tg) : - 9
Acid Number, (NV) : 68
Molecular Weight, Mw : >200,000
Minimum Film Forming Temp., ºC : <0
Density, g/cc, (25ºC) : 1.05
Flash Point : None
 
KAMICRYL-2074 is a Rheology Controlled (RC) acrylic polymer emulsion that exhibits good gloss, transparency, and printability on many substrates common to the graphic arts.

Additionally, KAMICRYL-2074 provides: film formation, excellent grease & water resistance and good adhesion to certain plastic substrates & others.
 
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KAMICRYL-2077
ACRYLIC EMULSION USED FOR OVER PRINT VARNISH

Film forming acrylic emulsion with good block resistance, resolubility, printability, gloss & transparency.
 
Appearance : Translucent Emulsion
pH : 8 + 0.5
Non- Volatile % : 48.0 + 1
Viscosity, cps
(Brookfield LVF #2 spindle, 30 rpm, 25ºC)
: 500-700
Glass Transition Temperature, ºC(Tg) : - 9
Acid Number, (NV) : 68
Molecular Weight, Mw : >200,000
Minimum Film Forming Temp., ºC : <0
Density, g/cc, (25ºC) : 1.05
Flash Point : None
 
KAMICRYL-2017 is an acrylic polymer emulsion that exhibits good gloss, transparency, and printability on many substrates common to the graphic arts.
Additionally, KAMICRYL-2017 provides: good film formation, good rub resistance & good block resistance due to harder film forming properties.
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KAMICRYL 6550
KAMICRYL 6550 is a water based acidic colloidal emulsion which can be easily solubilized with Alkali for use in ink for pre-print & post-print corrugated paper & board applications.
 
Type : acrylic dispersion
Appearance : Whitish , bluish
Total solids (% w/w) : 42%± 1
pH (25°C) : 2.0-3.0
Acid value : 165
Molecular weight : 55,000 to 60,000
Viscosity, B4 cup : 14-16 seconds
Density, g/cc, (25ºC) : 1.05
Density of dipsersion (kg/l) : 1.065
 
Properties:
Good Grinding medium
Good print & transfer properties
Good hot mar resistance
Good transfer properties
 
Recommendation for end-use:
For corrugated paper & boards
Good let dowm Vehicle
Good grinding properties
Economical cost
 
General Guidelines:
Kamicryl 6550 is a high solid acidic dispersion and should be reduced to a lower solids with water to about 20-25 % and can easily be solubilized with ammonia or any alkali prior to use. The solubilization with alkali is complete at an approximate pH 7.5 to 7.7.

At about pH 9.0-9.2 can be achieved a peak and stable viscosity by careful selection of final solid content and pH.

Kamicryl 6550 may be solubilized and used as a grinding medium and letdown vehicle.
 
   

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