Polymer Technology Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of Styrene Vinyl chloride Propylene Vinyl acetate Styrene Vinyl chloride Propylene Vinyl acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) Use emulsion polymerisation methods Are made by addition polymerisation reaction only Are cross-linked polymers only Contain an epoxy group ( ##### ) at the ends of the polymer Use emulsion polymerisation methods Are made by addition polymerisation reaction only Are cross-linked polymers only Contain an epoxy group ( ##### ) at the ends of the polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten Either B or C Polystyrene Polyurathane Saturated polyester Either B or C Polystyrene Polyurathane Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Increases with increase in temperature Does not vary with temperature rise Decreases with increase in molecular weight Decreases with increase in temperature Increases with increase in temperature Does not vary with temperature rise Decreases with increase in molecular weight Decreases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. Glass like transparent Thermoplastic Thermosetting Linear Glass like transparent Thermoplastic Thermosetting Linear ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 is a polyamide of Hexamethylene diamine and adipic acid Vinyl chloride and formaldeyde Adipic acid and methyl amine None of these Hexamethylene diamine and adipic acid Vinyl chloride and formaldeyde Adipic acid and methyl amine None of these ANSWER DOWNLOAD EXAMIANS APP
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