Related Questions

Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres.
The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation.
Which of the following is not a condensation polymer?
In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres.
Terylene is a condensation polymer of ethylene glycol and which acid?
The polymer obtained by the condensation of hexamethylene diamine and adipic acid is :
In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer?
Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin.
Condensation polymerisation of __________ produces bakelite.
Film condensation is promoted on a/an __________ surface.