Polymer Technology __________ is a homopolymer. Bakelite Nylon-66 Neoprene Terylene Bakelite Nylon-66 Neoprene Terylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible plastic pipes are made of Unsaturated polyester High density polyethylene (HDPE) Low density polyethylene (LDPE) Polypropylene Unsaturated polyester High density polyethylene (HDPE) Low density polyethylene (LDPE) Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Polymerisation mechanism Molecular sizes Resistance to heat Magnitude of intermolecular forces Polymerisation mechanism Molecular sizes Resistance to heat Magnitude of intermolecular forces 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 Densities Hardness, rigidity & brittleness Melting point Tensile strength Densities Hardness, rigidity & brittleness Melting point Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but Polyamide Polyacrylonitrile Alkyd resin Saturated polyester Polyamide Polyacrylonitrile Alkyd resin Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Uses either emulsion or suspension polymerisation methods Softening temperature is 200°C Can be made thermosetting by adding a plasticiser Is produced by polycondensation reaction Uses either emulsion or suspension polymerisation methods Softening temperature is 200°C Can be made thermosetting by adding a plasticiser Is produced by polycondensation reaction ANSWER DOWNLOAD EXAMIANS APP