CH HYPERDISPERSANT

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CH HYPERDISPERSANT

• STRUCTURE PRORERTIES
• SHANGHAI SANZHENG POLYMER MATERIAL Co.,LTD

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DISPERSING PROCESS OF PIGMENTS

• 1) WETTING
  L/S INTERFACE--S/G INTERFACE
• 2) DEAGGLOMERATION BREAKAGE
  REAGGLOMERATION
• 3) STABILIZATION REMAINING PARTICLE
  SIZE ITS DISTRIBUTION

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MECHANISM OF DISPERSION STABILIZATION

• ELECTROSTATIC STABILIZATION DOUBLE--LAYER
  THEORY
• STERIC STABILIZATION OSMOTIC REPULSION
  THEORY ENTROPIC REPULSION THEORY

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DEEFFICIENCY OF CLASSICAL SURFACTANTS

• HYDROPHILIC GROUP NOT DESIGNED
  FOR PIGMENT SURFACE, EASY TO DESORB
• HYDROPHOBIC GROUP NON-POLAR
  STRUCTURE INCOMPATIBLE WITH POLAR MEDIA 18
  CARBON ATOMS, TOO SHORT

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MOLECULAR STRUCTURE OF CH HYPERDISPERSANTS
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ANCHORING GROUP

• DESIGNED FOR PIGMENT SURFACE STRONG POLARITY
  SURFACE SINGLE-SPOT CHEMICAL BONDING WEAK
  POLARITY SURFACE MULTI-SPOT HYDROGEN BONDING
  NON-POLAR PIGMENT SURFACE SURFACE SYNERGIST

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SOLVATABLE CHAIN

• MONO-FUNCTIONAL TERMINAL
• JUSTABLE COMPATIBILITY MONOMER STRUCTURE
  MONOMER RATIO SOLVATABLE CHAIN
  POLARITY
• LENGTH OF SOLVATABLE CHAIN CONTROLLED
  MOLECULAR WEIGHT ADEQUATE CHAIN LENGTH

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MORPHOLOGY OF HYPERDISPERSANT
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ADSORPTION PROPERTIES OF HYPERDISPERSANT
Rehacek Method
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??????????????? (Mn700)
??????????????? (Mn1500)
?????????????? (Mn700)
?????????????? (Mn1500)
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RHEOLOGICAL PROPERTIES OF THE DISPERSION
WITH HYPERDISPERSANT
Viscosity-reducing properties
Viscosity-reducing properties
Influence of anchoring group
Influence of solvatable chain
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STABILIZATION PROPERTIES OF THE DISPERSION WITH
HYPERDISPERSANT
Deposition curve of magnetic
dispersion
Viscosity stability of the ink with
hyperdispersant
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METHOD OF USE OF HYPERDISPERSANTS

• MINIMAL RESIN REDUCED
  RESIN SOLIDS--LOWERED VISCOSITY STABILITY
• ADDING HYPERDISPERSANT IMPROVED
  STABILITY FURTHER
  REDUCED VISCOSITY
• IMPROVING PIGMENT CONTENT HIGH PIGMENT /
  VEHICLE RATIO HIGH STABILITY, NORMAL
  VISCOSITY

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NOTATION FOR USE OF HYPERDISPERSANT

• ADDED BEFORE PIGMENTS, FILLERS AND OTHER
  INGREDIENTS
• ADDING SURFACTANTS DURING LET-DOWN OR LATER
  STAGES
• DOSAGE DEPENDS ON SURFACE AREA(ABOUT 2MG/M2)

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ADVANTAGES OF HYPERDISPERSANTS

• FAST WETTING, SHORTER MILLING TIME, IMPROVED
  PRODUCTIVITY
• HIGH PIGMENT / VEHICLE RATIO, LESS ENERGY AND
  LABOUR COST
• REDUCED VISCOSITY, IMPROVED RHEOLOGICAL
  PROPERTIES
• IMPROVED DISPERSING STABILITY, IN AVOID
  OF RE-DISPERSION

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ADVANTAGES OF HYPERDISPERSANTS

• WIDE COMPATIBILITY OF MILLBASE
• NOT EASY TO BE OXIDIZED, LESS SURFACE WASTAGE
  PRODUCED
• HYDROPHOBIC DISPERSANTS NO
  HYDROPILIC FILM INDUCED
• COMPLETE WETTING AND BETTER APPLICATION
  QUALITIES

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CH Hyperdispersant

• Counter part

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HYPERDISPERSANT SELECTION

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• ..\sszl\Echym.htm
• ..\sszl\Echyq.htm
• ..\sszl\Echsl.htm

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HYPERDISPERSANT

• OFFSET INK APPLICATION

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BENEFITS

• IMPROVED QUALITY HIGHER GLOSS
  GREATER INTENSITY
  MORE TRANSPARENCY
• HIGHER PRODUCTIVITY SHORTER
  DISPERSION TIMES HIGHER PIGMENT CONTENT

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BENEFITS

• MORE FLEXIBILITY
• MORE VERSATILE MILLBASE HEATSET AND
  SHEETFET FROM SAME MILLBASE
• MORE STABLE CONCENTRATES ABILITY TO
  TRANSPORT

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HYPERDISPERSANT FOR OFFSET INKS

• HYPERDISPERSANT SELECTION
• FOR LITHOL RUBINE / RUBINE TONER
• USE CH-5 ONLY
• FOR PHTHALOCYANINE BLUE OR CARBON BLACK
• USE CH-5 CH-11B
• FOR DIARYLIDE YELLOW USE
  CH-5 CH-22

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TYPICAL DOSAGE

• (SHOWN AS WEIGHT OF PIGMENT)
• RUBINE-------8----CH-5
• BLUE---------10----31 CH-5CH-11B
• YELLOW---10---31 CH-5CH-22
• BLACK------4--10 CH-5
  (DEPENDS ON THE SPECIAL SURFACE OF CARBON
  BLACK)

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GUIDELINES FOR USE

• REDUCING RESIN SOLID TO 30-40 IN
  MILLBASE
• HOLD BACK IN MILLBASE AS MUCH AS POSSIBLE
  GELLED VEHICLE OR GELLING AGENT
• ADDING HIGHER PROPORTIONS OF GELLED VEHICLE
  / GELLING AGENT AT THE LET-DOWN STAGE TO
  COMPENSATE

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TYPICAL FORMULATIONHEATSET / SHEETFET MILLBASE
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TYPICAL FORMULATIONGRINDING VEHICLE
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TYPICAL FORMULATIONLET-DOWN VARNISHES
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TYPICAL FORMULATIONFINAL INK FORMULATIONS
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TYPICAL FORMULATIONFINAL INK FORMULATIONS
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CH-35 WATER PICK-UP REDUCING AGENT

• APPLICATION IN OFFSET PRINTING INK AND FLUSH

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BENEFITS OF CH-35

• REDUCING EMULSIFICATION, IMPROVING THE FLUIDITY,
  TRANSFERRING AND PRINTING DENSITY OF OFFSET INK
• REDUCING WATER PICK-UP, FAST CREATING WATER
  BALANCE
• ACCELERATING THE OUT-COMING OF WATER IN FLUSH
• CONVENIENT TO USE

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METHOD OF USE OF CH-35

• ADDED IN THE VEHICLE DURING THE PREPARATION
  PROCESS OF INK OR FLUSH,OR ADDED IN THE INK
  PRODUCT
• COMPLETELY MIXED WITH VEHICLE
• AT THE DOSAGE OF 0.2-0.4

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CH-1 HYPERDISPERSANT

• APPLICATION IN MASTERBATCH
• AND PLASTIC COMPOUNDS

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BENIFITS OF CH-1

• REDUCED PIGMENT COST
• IMPROVED PRODUCTIVITY
• IMPROVED PRODUCT QUALITY
• REDUCED MANUFACTURE COST
• IMPROVED PROCESSING
• NO OBVIOUS ADVERSE EFFECTS

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METHOD OF USE OF CH-1

• Charge polymer to high speed blender or tumbler
• Add CH-1 and blend thoroughly with polymer
  (2min/1800rpm blender or 5min tumbling)
• Add pigments, fillers, processing aids and other
  essential ingredients and continue blending.
  (1min/1800rpm blending or 15min tumbling)
• Process resultant blend in normal manner. e.g.
  extrusion,internal mixing, or 2-roll milling.

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TYPICAL FORMULATION OF CH-1 IN PE
MASTERBATCH
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TYPICAL FORMULATION OF CH-1 IN RIGID
PVC--WINDOW PROFILE COMPOUND
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TYPICAL FORMULATION OF CH-1 IN PVC BOTTLE
COMPOUND
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TYPICAL FORMULATIONFLEXIBLE PVC--CABLE

• FORMULATION ?OF TBLS
• TRIBASIC LEAD ?SULPHATE 80PHR
• LEAD 5PHR
• DOP 8PHR
• SNOWCAL70 5PHR

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TYPICAL FORMULATION OF CH-1 IN ABS
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TYPICAL FORMULATION OF CH-1 IN PS
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CH-2 HYPERDISPERSANT

• APPLICATION IN
• PLASTICISER DISPERSION

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CH-2 HYPERDISPERSANT FOR PLASTICISER
DISPERSION

• BENEFITS
• LOW VISCOSITY, GOOD FLOW AND
  PUMPABILITY
• HIGH PIGMENT CONTENT, IMPROVED PRODUCTIVITY
• MORE NEWTONIAN RHEOLOGY
• IMPROVED COLOUR STRENGTH

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CH-2 HYPERDISPERSANT FOR PLASTICISER
DISPERSION

• BENEFITS
• SHORTER MILLING TIMES, LOWER ENERGY
  CONSUMPTION, LOWER LABOUR AND FIXED COSTS
• LESS COLOUR SEPARATIO
• WIDE COMPATIBILITY
• NO ADVERSE EFFECT ON PLASTICS

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METHOD OF USE OF CH-2

• ADDED AND DISSOLVED INTO PLASTICISER BEFORE
  ADDING OTHER INGREDIENTS
• AT DOSAGE OF ABOUT 1--5 OF THE TOTAL
  WEIGHT OF PIGMENTS AND FILLERS
• HIGH PIGMENT LOADING

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TYPICAL FORMULATION OF CH-2 IN PLASTICISER
DISPERSION
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CH-6 HYPERDISPERSANT
APPLICATION IN PLASTICISER DISPERSION
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CH-6 HYPERDISPERSANT FOR PLASTICISER
DISPERSION

• BENEFITS
• LOW VISCOSITY, GOOD FLOW AND
  PUMPABILITY
• HIGH PIGMENT CONTENT, IMPROVED PRODUCTIVITY
• MORE NEWTONIAN RHEOLOGY
• IMPROVED COLOUR STRENGTH

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CH-6 HYPERDISPERSANT FOR PLASTICISER
DISPERSION

• BENEFITS
• SHORTER MILLING TIMES, LOWER ENERGY
  CONSUMPTION, LOWER LABOUR AND FIXED COSTS
• LESS COLOUR SEPARATIO
• WIDE COMPATIBILITY
• NO ADVERSE EFFECT ON PLASTICS

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METHOD OF USE OF CH-6

• ADDED AND DISSOLVED INTO PLASTICISER BEFORE
  ADDING OTHER INGREDIENTS
• AT DOSAGE OF ABOUT 5-15 OF THE TOTAL
  WEIGHT OF CARBON BLACK OR ORGANIC PIGMENTS
• HIGH PIGMENT LOADING

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TYPICAL FORMULATION
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CH-4 HYPERDISPERSANT

• APPLICATION IN
• SURFACE TREATMENT

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BENEFITS OF CH-4

• MAKE PIGMENT HYDROPHOBIC, LESS WATER
  CONTENT,EASY TO BE FILTERED AND DRIED
• MAKE PIGMENT AGGEARATED LOOSELY,EASY TO BE
  DISPERSED
• REDUCED OIL ADSORPTION, IMPROVED HEAT
  STABILITY AND COLOUR STRENGTH

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METHOD OF USE OF CH-4

• ADDED AND MIXED COMPLETELY WITH PIGMENT OR
  FILLER AT ANY STAGE BEFORE FILTERING
  PROCESS
• DOSAGE ABOUT 10-50 OF THE DRY WEIGHT OF
  PIGMENTS