Polymer Technology Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is Nylon-66 Polyester Bakelite Teflon Nylon-66 Polyester Bakelite Teflon 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 Melting point Hardness, rigidity & brittleness Densities Tensile strength Melting point Hardness, rigidity & brittleness Densities Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is Terylene Polybutadiene PVC Polypropylene Terylene Polybutadiene PVC Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 1:2 1:3 3:1 2:1 1:2 1:3 3:1 2:1 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polymer is used for making unbreakable crockery. Thermoplastic Melamine Addition None of these Thermoplastic Melamine Addition None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. Liquid Neither solid nor liquid Combination of solid & liquid Solid Liquid Neither solid nor liquid Combination of solid & liquid Solid ANSWER DOWNLOAD EXAMIANS APP
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