4 августа, 2015 
Malyar As mentioned previously, one problem encountered in starch-based adhesives is retro- gradation. Colloid stabilizers such as soaps and sodium chloride are used to retard this tendency. Borax, sodium hydroxide, and several common plasticizers also perform this function to some extent, so viscosity stabilizers may not be necessary if these additives are used for other purposes.
1. Fillers
Fillers, in amounts of 5 to 50%, are used to control the penetration of the adhesive into the substrate and to control the setting of the glue. Mineral fillers such as clay and bentonite are commonly used.
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