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Name Description Application
Surface Sizing Agent
Surface sizng agent is a new type of styrene-propylene polymer copolymerized with a variety of macromolecular raw materials. It can effectively combine with starch and endow the starch coating with good crosslinking strength and hydrophobic property.
Widely used in the production of coated white paper board, kraft board, kraft board, corrugated paper and white board, which can significantly improve the surface water resistance and ring compression strength of the paper.
Wet strength agent Wet strength agent(Polyamide epichlorohydrin resin (PAE)) is water soluble, cationoid and thermosetting resin. PAE is a non-formaldehyde polymer, non-toxic and tasteless, with a wide range of PH value and suitable for acid, neutral or slightly alkaline papermaking conditions, as well as the acid condition. Suitable for all kinds of papers with wet strength.It can also be used as a retention aid for lotion rosin gum and fortified rosin gum, as a synergist for neutral sizing agents, and as a cationic starch modifier to improve sheet size stability.
Dry Strength Agent Dry strength agent is a copolymer of acrylamide and acrylic, it can enhance the hydrogen bonding energy of the fibers under the acid and alkaline environment, greatly improve the dry strength of paper (ring crush compression resistance and bursting strength). Simultaneously, it has more function of retention and sizing effect improving. Increasing the bonding point between fibers and improve various strength indexes of paper, reduce paper breakage and cracks in the follow-up process. It can improve paper sizing efficiency by increasing the drainage and retention of the paper stock.
Paper fixing agent Paper Fixing Agent has strong cationic neutralization of anionic waste, can adjust the charge demand in the system, reduce the interference of anionic waste on cationic substances, save the amount of cationic chemicals. Mix with water, dilute to about 0.2% of the dissolved solution, and then add continuously with a metering pump at the inlet of the slurry pump according to the charge demand of the syste.
PolyDADMAC is mainly composed of Polydiallyl dimethyl ammonium chloride, It is safe, non-toxic, soluble in water, non-inflammable, cohesive, stable hydrolysis, non-gel, insensitive to pH changes, and resistant to chlorine.
Widely Used as cationic flocculant and coagulant in sewage treatment, mining and mineral processing; as an aldehyde fixative in textile industry; as anion waste catcher and AKD curing accelerator in the process of paper making etc.
Polyacrylamide(PAM) Polyacrylamide(PAM) is water-soluble polymers, in most organic solvents. With good flocculation it can reduce the frictional ressistance between the liquid. PAM can be divided into anionic, nonionic and cationic. PAM have been widely used in papermaking, beneficiation, oil extraction, metallurgy, building materials, sewage treatment and other industries.