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What is "Cuprammonium Fluidity" - Definition & Explanation

The reciprocal of the dynamic viscosity of a solution of cellulose of prescribed concentration in a cuprammonium solvent of prescribed composition, measure under precisely defined conditions.

NOTE:

These solutions commonly exhibit non-Newtonian flow behaviour. Cuprammonium fluidity does not therefore have absolute physical significance as does the fluidity of a Newtonian liquid, although it has hitherto been expressed in reciprocal poises. It is considered that it should be regarded as an empirical quantity and because of this, the results are given in units of cuprammonium fluidity and are not linked to a specific unit.

Some other terms

Some more terms:

Kalamkari
Use of Kalam (or pen) inpatterning the fabrics through the medium of vegetable dyes that this term Kalamkaribecame widely known later as a trade term. Isused fordecorative or functional...
Drafting
A process which reduces the linear density of an assembly of fibres. Drafting typically occurs in the early stages of producing yarns from staple fibres. Draw spinning: A process for spinning...
Back Filling
The technique of beefing up low grade, low cost, cloth to enhance its appearance. Only one side of the goods is affected by the process. The filling solution is composed of varying amounts of...
Taffeta
A lustrous, medium-weight, plain-weave fabric with a slight ribbed appearance in the filling (crosswise) direction. For formal wear, taffeta is a favorite choice. It provides a crisp hand, with lots...
Anti-bacterial, anti-microbial, anti-fungal
Properties given to textile materials using additives to eliminate or prevent the growth of bacteria and fungi. Usually, the additives remain after initial washing but may be washed out over a period...

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