Polymer Technology 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? Bakelite (phenol formaldehyde) Polythene Polyester Nylon-6 Bakelite (phenol formaldehyde) Polythene Polyester Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer of natural rubber is Isoprene 2 methyl-1-propene DMT Both B and C Isoprene 2 methyl-1-propene DMT Both B and C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of stabiliser during PVC manufacture is done to Reduce the melt viscosity & glass transition temperature Improve its elasticity Improve its impact strength Prevent its thermal degradation Reduce the melt viscosity & glass transition temperature Improve its elasticity Improve its impact strength Prevent its thermal degradation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR. Freezing point Resilience Percent elongation Strength Freezing point Resilience Percent elongation Strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Identify the group in which all the polymers mentioned can be used to make fibres. Cellulose derivatives, Polyamides, Polyurathane Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyisoprene, Polyethylene Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyamides, Polyurathane Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyisoprene, Polyethylene Butadiene copolymers, Polyamides, Urea aldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Benzoyl chloride is not used as a catalyst in the manufacture of Polyvinyl acetate Polypropylene Polyvinyl chloride-co-vinylacetate Polystyrene Polyvinyl acetate Polypropylene Polyvinyl chloride-co-vinylacetate Polystyrene ANSWER DOWNLOAD EXAMIANS APP