Polymer Technology Commercial production of polypropylene employs __________ polymerisation. Bulk Emulsion Solution Suspension Bulk Emulsion Solution Suspension ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Catalyst used in the production of high density polythene by low pressure Ziegler process is Platinum Nickel Aluminium triethyl activated with TiCl₄ Molybdenum Platinum Nickel Aluminium triethyl activated with TiCl₄ Molybdenum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Resistance to heat Magnitude of intermolecular forces Molecular sizes Polymerisation mechanism Resistance to heat Magnitude of intermolecular forces Molecular sizes Polymerisation mechanism ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber is commercially manufactured by Bulk polymerisation Suspension polymerisation Solution polymerisation Emulsion polymerisation Bulk polymerisation Suspension polymerisation Solution polymerisation Emulsion polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The physical state in which polymers exist is All of these Amorphous glassy state Partially crystalline state Melts & rubber like state All of these Amorphous glassy state Partially crystalline state Melts & rubber like state ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Plasticity Weathering characteristics Elasticity Strength Plasticity Weathering characteristics Elasticity Strength ANSWER DOWNLOAD EXAMIANS APP
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