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AKD Sizing Agent Role
Aug 24, 2017

AKD sizing agent is one or more of film forming of high polymer material, its function is made into pulp pad on the fabric, attached to the fabric surface, after dry form skin film wrap fabric surface, so as to give the fabric a smooth, thick, plump, stiff handle.When the slurry is configured, the filling agent is added at the same time to increase the weight of the fabric and fill the holes to make the fabric smooth and thick.

Can one or more of film forming of high polymer material, its function is made into pulp pad on the fabric, attached to the fabric surface, after dry form skin film wrap fabric surface, so as to give the fabric a smooth, thick, plump, stiff handle.Sizing finishing with the conversion of starch and starch paste products dextrin and soluble starch, and sodium alginate, cattle glue, carboxymethyl cellulose (CMC), sodium zinc acid cellulose, polyvinyl alcohol (PVA), polyacrylic acid, etc., the slurry can be used alone can also be mixed according to the requirements.When the slurry is configured, the filling agent is added at the same time to increase the weight of the fabric and fill the holes to make the fabric smooth and thick.Common fillers are talc, kaolin and bentonite.In order to prevent the slurry from spoilage, it also added phenol, ethyl naphthol and other preservatives.

AKD sizing agent is an important part of carbon fiber surface, which gives the fiber better processing performance: cluster, fibrillation, friction-resistance and wettability.

In the carbon fiber reinforced resin matrix composites, the real interface between the enhanced carbon fiber and the matrix resin is the transition layer formed by the sizing agent.

The AKD sizing agent is to connect the carbon fiber and the matrix resin, so that both of them can be an integral part of the external force, which is indispensable.The application of carbon fiber are mostly after further processed into intermediate or composite material to use, so the bonding performance between carbon fiber and matrix resin is very important, will directly affect the carbon fiber and its products deep processing and comprehensive performance of the composite material.


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