Polymer Technology Polymethyl methacrylate, which is an acrylic resin, is also called Plexiglass or lucite Thiokol Dacron Teflon Plexiglass or lucite Thiokol Dacron Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Have three dimensional structure None of these Have linear structure Are formed by addition polymerisation Have three dimensional structure None of these Have linear structure Are formed by addition polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butediene rubber) are 50°C and 3 - 4 kg/cm² 250°C and 1 kgf/cm² 250°C and 10 kgf/cm² 50°C and 1 kgf/cm² 50°C and 3 - 4 kg/cm² 250°C and 1 kgf/cm² 250°C and 10 kgf/cm² 50°C and 1 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher Hardness, rigidity & brittleness Densities Tensile strength Melting point Hardness, rigidity & brittleness Densities Tensile strength Melting point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) 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 Use emulsion polymerisation methods Are made by addition polymerisation reaction only ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a natural fibre. None of these Cellulose Dacron Nylon-6 None of these Cellulose Dacron Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
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