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The crude reaction product of hydroxypropyl methyl cellulose can be used for continuous kneading apparatus of this product can be used includes a groove (roller) and the blade, or a double-pole single pole unit, etc., from the viewpoint of excellent kneading , preferably double-pole type device. With this arrangement of the combination of built-in blades changes, the residence time can be adjusted, and kneading state. Moreover, the length of the blade groove can be used to diameter ratio L / D of about 5-13 in a continuous kneading apparatus is. When the ratio is less than 5, and has not been completely dissolved in it is discharged; while more than 13, because of excessive kneading leaving the lower degree of polymerization products, and products yellow deepened as a result of deterioration. The shape of the blade, the blade through a combination of a variety of plate-type and spiral type, etc., can be adjusted kneaded state. Moreover, continuous kneading devices can either use one, it can be divided into dissolved and neutralized with two.
Shape retention: Compared with other water-soluble polymers, aqueous solution of the product has a special viscoelastic properties. It is added to improve the ability of the ceramic article does not change the shape of the extrusion.
Lubrication: Add this product to reduce the friction coefficient and improve the extrusion of ceramic products, cement products lubricity.
Film: The product can generate strong flexible, transparent sheet, good oil resistance properties ester
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