1、CH HYPERDISPERSANT,STRUCTURE & PRORERTIESSHANGHAI SANZHENG POLYMER MATERIAL Co.,LTD,DISPERSING PROCESS OF PIGMENTS,1) WETTING L/S INTERFACE-S/G INTERFACE2) DEAGGLOMERATION BREAKAGE & REAGGLOMERATION3) STABILIZATION REMAINING PARTICLE SIZE & ITS DISTRIBUTION,MECHANISM OF DISPERSION STABILIZATION,ELEC
2、TROSTATIC STABILIZATION DOUBLE-LAYER THEORYSTERIC STABILIZATION OSMOTIC REPULSION THEORY ENTROPIC REPULSION THEORY,DEEFFICIENCY OF CLASSICAL SURFACTANTS,HYDROPHILIC GROUP NOT DESIGNED FOR PIGMENT SURFACE, EASY TO DESORBHYDROPHOBIC GROUP NON-POLAR STRUCTURE INCOMPATIBLE WITH POLAR MEDIA 18 CARBON ATO
3、MS, TOO SHORT,MOLECULAR STRUCTUREOF CH HYPERDISPERSANTS,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,SOLVATABLE CHAIN,MONO-FUNCTIONAL TERMINALJUSTABLE CO
4、MPATIBILITY MONOMER STRUCTURE MONOMER RATIO SOLVATABLE CHAIN POLARITY LENGTH OF SOLVATABLE CHAIN CONTROLLED MOLECULAR WEIGHT ADEQUATE CHAIN LENGTH,MORPHOLOGY OF HYPERDISPERSANT,ADSORPTION PROPERTIES OF HYPERDISPERSANT,Rehacek Method,超分散剂在磁粉表面的吸附等温线(Mn=700),超分散剂在磁粉表面的吸附等温线(Mn=1500),超分散剂在磁粉表面的吸附参数(Mn=
5、700),超分散剂在磁粉表面的吸附参数(Mn=1500),RHEOLOGICAL PROPERTIES OF THE DISPERSION WITH HYPERDISPERSANT,Viscosity-reducing properties,Influence of anchoring group,Influence of solvatable chain,Viscosity-reducing properties,STABILIZATION PROPERTIES OF THE DISPERSION WITH HYPERDISPERSANT,Deposition curve of magnet
6、ic dispersion,Viscosity stability of the ink with hyperdispersant,METHOD OF USE OF HYPERDISPERSANTS,MINIMAL RESIN REDUCED RESIN SOLIDS-LOWERED VISCOSITY & STABILITYADDING HYPERDISPERSANT IMPROVED STABILITY FURTHER REDUCED VISCOSITYIMPROVING PIGMENT CONTENT HIGH PIGMENT / VEHICLE RATIO HIGH STABILITY
7、, NORMAL VISCOSITY,NOTATION FOR USE OF HYPERDISPERSANT,ADDED BEFORE PIGMENTS, FILLERS AND OTHER INGREDIENTSADDING SURFACTANTS DURING LET-DOWN OR LATER STAGESDOSAGE DEPENDS ON SURFACE AREA(ABOUT 2MG/M2),ADVANTAGES OF HYPERDISPERSANTS,FAST WETTING, SHORTER MILLING TIME, IMPROVED PRODUCTIVITYHIGH PIGME
8、NT / VEHICLE RATIO, LESS ENERGY AND LABOUR COST REDUCED VISCOSITY, IMPROVED RHEOLOGICAL PROPERTIESIMPROVED DISPERSING STABILITY, IN AVOID OF RE-DISPERSION,ADVANTAGES OF HYPERDISPERSANTS,WIDE COMPATIBILITY OF MILLBASENOT EASY TO BE OXIDIZED, LESS SURFACE WASTAGE PRODUCEDHYDROPHOBIC DISPERSANTS NO HYD
9、ROPILIC FILM INDUCEDCOMPLETE WETTING AND BETTER APPLICATION QUALITIES,CH Hyperdispersant,Counter part,HYPERDISPERSANT SELECTION,.sszlEchyn.htm.sszlEchym.htm.sszlEchyq.htm.sszlEchsl.htm,HYPERDISPERSANT,OFFSET INK APPLICATION,BENEFITS,IMPROVED QUALITY HIGHER GLOSS GREATER INTENSITY MORE TRANSPARENCYHI
10、GHER PRODUCTIVITY SHORTER DISPERSION TIMES HIGHER PIGMENT CONTENT,BENEFITS,MORE FLEXIBILITY MORE VERSATILE MILLBASE HEATSET AND SHEETFET FROM SAME MILLBASE MORE STABLE CONCENTRATES ABILITY TO TRANSPORT,HYPERDISPERSANT FOR OFFSET INKS,HYPERDISPERSANT SELECTION FOR LITHOL RUBINE / RUBINE TONER USE CH-
11、5 ONLY FOR PHTHALOCYANINE BLUE OR CARBON BLACK USE CH-5 + CH-11B FOR DIARYLIDE YELLOW USE CH-5 + CH-22,TYPICAL DOSAGE,(SHOWN AS WEIGHT OF PIGMENT)RUBINE-8%-CH-5BLUE-10%-3:1 CH-5:CH-11BYELLOW-10%-3:1 CH-5:CH-22BLACK-4%-10% CH-5 (DEPENDS ON THE SPECIAL SURFACE OF CARBON BLACK),GUIDELINES FOR USE,REDUC
12、ING RESIN SOLID TO 30-40% IN MILLBASEHOLD BACK IN MILLBASE AS MUCH AS POSSIBLE GELLED VEHICLE OR GELLING AGENTADDING HIGHER PROPORTIONS OF GELLED VEHICLE / GELLING AGENT AT THE LET-DOWN STAGE TO COMPENSATE,TYPICAL FORMULATIONHEATSET / SHEETFET MILLBASE,TYPICAL FORMULATIONGRINDING VEHICLE,TYPICAL FOR
13、MULATIONLET-DOWN VARNISHES,TYPICAL FORMULATIONFINAL INK FORMULATIONS,TYPICAL FORMULATIONFINAL INK FORMULATIONS,CH-35 WATER PICK-UP REDUCING AGENT,APPLICATION IN OFFSET PRINTING INK AND FLUSH,BENEFITS OF CH-35,REDUCING EMULSIFICATION, IMPROVING THE FLUIDITY, TRANSFERRING AND PRINTING DENSITY OF OFFSE
14、T INKREDUCING WATER PICK-UP, FAST CREATING WATER BALANCEACCELERATING THE OUT-COMING OF WATER IN FLUSHCONVENIENT TO USE,METHOD OF USE OF CH-35,ADDED IN THE VEHICLE DURING THE PREPARATION PROCESS OF INK OR FLUSH，OR ADDED IN THE INK PRODUCTCOMPLETELY MIXED WITH VEHICLEAT THE DOSAGE OF 0.2-0.4%,CH-1 HYP
15、ERDISPERSANT,APPLICATION IN MASTERBATCH AND PLASTIC COMPOUNDS,BENIFITS OF CH-1,REDUCED PIGMENT COSTIMPROVED PRODUCTIVITYIMPROVED PRODUCT QUALITYREDUCED MANUFACTURE COSTIMPROVED PROCESSINGNO OBVIOUS ADVERSE EFFECTS,METHOD OF USE OF CH-1,Charge polymer to high speed blender or tumblerAdd CH-1 and blen
16、d 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.,TYPICAL
17、 FORMULATION OF CH-1 IN PE MASTERBATCH,TYPICAL FORMULATION OF CH-1 IN RIGID PVC-WINDOW PROFILE COMPOUND,TYPICAL FORMULATION OF CH-1 IN PVC BOTTLE COMPOUND,TYPICAL FORMULATIONFLEXIBLE PVC-CABLE,FORMULATION OF TBLS TRIBASIC LEAD SULPHATE 80PHRLEAD 5PHR;DOP 8PHR;SNOWCAL70 5PHR,TYPICAL FORMULATION OF CH
18、-1 IN ABS,TYPICAL FORMULATION OF CH-1 IN PS,CH-2 HYPERDISPERSANT,APPLICATION IN PLASTICISER DISPERSION,CH-2 HYPERDISPERSANT FOR PLASTICISER DISPERSION,BENEFITS LOW VISCOSITY, GOOD FLOW AND PUMPABILITYHIGH PIGMENT CONTENT, IMPROVED PRODUCTIVITYMORE NEWTONIAN RHEOLOGYIMPROVED COLOUR STRENGTH,CH-2 HYPE
19、RDISPERSANT FOR PLASTICISER DISPERSION,BENEFITS SHORTER MILLING TIMES, LOWER ENERGY CONSUMPTION, LOWER LABOUR AND FIXED COSTSLESS COLOUR SEPARATIOWIDE COMPATIBILITYNO ADVERSE EFFECT ON PLASTICS,METHOD OF USE OF CH-2,ADDED AND DISSOLVED INTO PLASTICISER BEFORE ADDING OTHER INGREDIENTS AT DOSAGE OF AB
20、OUT 1-5% OF THE TOTAL WEIGHT OF PIGMENTS AND FILLERSHIGH PIGMENT LOADING,TYPICAL FORMULATION OF CH-2 IN PLASTICISER DISPERSION,APPLICATION IN PLASTICISER DISPERSION,CH-6 HYPERDISPERSANT,CH-6 HYPERDISPERSANT FOR PLASTICISER DISPERSION,BENEFITS LOW VISCOSITY, GOOD FLOW AND PUMPABILITYHIGH PIGMENT CONT
21、ENT, IMPROVED PRODUCTIVITYMORE NEWTONIAN RHEOLOGYIMPROVED COLOUR STRENGTH,CH-6 HYPERDISPERSANT FOR PLASTICISER DISPERSION,BENEFITS SHORTER MILLING TIMES, LOWER ENERGY CONSUMPTION, LOWER LABOUR AND FIXED COSTSLESS COLOUR SEPARATIOWIDE COMPATIBILITYNO ADVERSE EFFECT ON PLASTICS,METHOD OF USE OF CH-6,A
22、DDED 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,TYPICAL FORMULATION,CH-4 HYPERDISPERSANT,APPLICATION IN SURFACE TREATMENT,BENEFITS OF CH-4,MAKE PIGMENT HYDROPHOBIC， LESS WATER CO
23、NTENT，EASY TO BE FILTERED AND DRIEDMAKE PIGMENT AGGEARATED LOOSELY，EASY TO BE DISPERSEDREDUCED OIL ADSORPTION， IMPROVED HEAT STABILITY AND COLOUR STRENGTH,METHOD OF USE OF CH-4,ADDED AND MIXED COMPLETELY WITH PIGMENT OR FILLER AT ANY STAGE BEFORE FILTERING PROCESSDOSAGE ABOUT 10-50% OF THE DRY WEIGHT OF PIGMENTS,
