In today’s highly competitive market, detergents are manufactured in a range of product forms: powders, tablets, pastes and liquids. Each has its own particular requirements in terms of performance, shelf life stability, delivery system and environmental friendliness. CP Kelco has decades of experience in developing biodegradable, nature-based, water-soluble polymers to meet individual customer needs based on a broad portfolio of products, as well as new technology developments.
FINNFIX® CMC is a proven anti-redeposition aid. The use of FINNFIX CMC in powder detergents is one of the product’s oldest and most well-known applications. FINNFIX functions as a soil-suspending, anti-redeposition agent in powder detergent formulas.
A key requirement in the washing process is that soil particles should be rinsed away without redepositing on the freshly washed fabric surfaces. FINNFIX CMC molecules, with their cellulosic backbone and negative charge, are adsorbed onto cotton fibers through hydrogen bonding. Electrostatic and/or steric repulsion prevents the negatively charged soil particles in the wash water from re-depositing onto fibres. The adsorption potential is influenced by its molecular weight and the number and distribution of the negatively charged carboxymethyl groups.
The pH of the wash water and the presence of anionic and non-ionic surfactants do not affect the adsoption of FINNFIX. During the rinse cycle, FINNFIX desorbs from the fabric surface, as a result of the reduced ionic strength. Certain types of FINNFIX swell on contact with water, allowing them to function as tablet disintegrants.
Liquid detergents must be pourable and disperse well, even though they contain high levels of surfactants and salts. KELZAN® Xanthan gum imparts the shear-thinning rheology required to prevent sedimentation of any suspended particles during the detergent’s shelf life as well as provide desired pour viscosity.
The KELZAN line of industrial xanthan gum products can be used to modify the texture of industrial products and to stabilize fabric
care products, suspensions, oil-in-water emulsions and foams againstseparation.
KELZAN industrial grade xanthan gum is a high molecular weight, anionic polysaccharide produced in a pure culture fermentation
process using the bacterium Xanthomonas campestris. The composition and structure of xanthan gum produced by commercial fermentation is identical to the nature-based occurring polysaccharide formed by Xanthomonas campestris on plants belonging to the cabbage family.
KELZAN xanthan gums are highly pseudoplastic, or shear thinning. This pseudoplastic rheology is especially useful in systems involving suspensions. At rest, solutions are viscous; however, when mixed, pumped, sprayed, or poured, the solutions thin. Once the force is removed, the solution regains its initial viscosity almost immediately, preventing sedimentation of any suspended particles during the product’s shelf life.
KELZAN products have outstanding stability with respect to pH, salt, or heat, and excellent compatibility with other ingredients. All are readily soluble in both hot and cold water systems.
Please contact a CP Kelco representative for more details.