AKD neutral sizing agent is an Alkyl Ketene Dimer ( abbreviated AKD), a cationic Surface Active Agent as raw materials, homogenizing the emulsion formed white emulsion , a suitable alkaline (pH value 7.5 ~ 8.5 ) under the conditions of reaction papermaking sizing agent . Widely used in various high-grade cultural paper , photographic paper, fruit bag paper, packaging paper and paperboard production of adhesive tapes and other facilities. Other featured products : Alkyl ketene dimer ( AKD Wax ), Cationic Reagent (3-Chloro-2-Hydroxypropyltrimethyl Ammonium Chloride/quat 188/CHPTAC), general AKD Emulsifier 25%, Quat 188 69%,Polymer emulsifier 40%, PolyDADMAC 40%,Wet strenght agent 12.5%/25%, Styrene Acrylic Copolymer, Fixing Agent 50%, Poly Aluminium Chloride, Sodium Gluconate Oxidized Starch,ect.
1) . Significantly improved paper strength , toughness , whiteness and opacity. Improve the printability of paper .
2) . Paper gives good optical properties and chemical stability , the paper long shelf life, easy to turn yellow .
3) . High tolerance for calcium carbonate filler ( 10 ~ 30% ) , saving fiber raw materials , reduce slurry consumption .
4) . Without aluminum sulphate , white water soluble solids greatly reduced, Whitewater lockable cycle , reduce environmental pollution , water conservation .
5) . As the alkaline papermaking conditions , the device can be reduced corrosion, extend the mesh fabric , felt life.
6) . Small bubbles , no dirt, clean the wet end system to improve runnability.
2. Technical Indicators
1) . Appearance : white emulsion
2) . Solid content : 10 ± 0.5%, 12 ± 0.5%, 15 ± 0.5%, 19 ± 1%
3) . pH value: 3-4
4) . Ionic: Cation
5) . Density : 1.01
6) . Dispersion: cold water dispersible
7) . Stability: 90 days (25 °C)
1) . The AKD emulsion diluted to a concentration of 3 to 4 percent , adding with slurry tank, or with a metering pump continuously added to the mixing tank , high box or slurry pipe , in general, adding tune headbox best.
2) . Dosage: cultural paper 0.07 to 0.3% ( pure ) , fruit bag paper 5 to 7% ( pure )
3) . AKD emulsion must comply with cationic starch , Polyacrylamide and other units or dual retention system. Adding sequence is generally: cationic starch → AKD → polyacrylamide . Quaternary ammonium type cationic starch as the degree of substitution > 0.015 , a concentration of 1% , the addition of 1 to 1.5 % polyacrylamide ions can , molecular weight of 500 to 8,000,000 , a concentration of 0.1 to 0.2 % is appropriate , add the amount to 2% of cationic starch , is generally 150 ~ 250ppm.
4. Packaging and Storage
1) Products using plastic barrel, net weight 200kg or 1000kg.
2)The drums should have the following signs: product name, model number, manufacturer name , batch number, net weight, production date, product certification, and stamped with the seal of inspection .
3)Product should be stored in a cool place (5 ~ 30 °C), shall not be open-air exposure , frozen.
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Product Categories : Paper Making Auxiliary Series > Paper Sizing Agent