Polymer Technology Amino resins are used in paper treatment to improve its Wet tear and bursting strength Wet rub resistance Folding endurance All of these Wet tear and bursting strength Wet rub resistance Folding endurance All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rayon is superior to cotton in making gauge for wound treatment, because rayon Is a synthetic polymer Can absorb over 90% of its own weight of water Does not stick to the wound unlike cotton Both B & C Is a synthetic polymer Can absorb over 90% of its own weight of water Does not stick to the wound unlike cotton Both B & C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Alkyd resins Amino resins Unsaturated polyester Saturated polyester Alkyd resins Amino resins Unsaturated polyester Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bristles of tooth brushes are made of PVC Polystyrene Nylon-66 Nylon-6 PVC Polystyrene Nylon-66 Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) Use emulsion polymerisation methods Are made by addition polymerisation reaction only Contain an epoxy group ( ##### ) at the ends of the polymer Are cross-linked polymers only Use emulsion polymerisation methods Are made by addition polymerisation reaction only Contain an epoxy group ( ##### ) at the ends of the polymer Are cross-linked polymers only ANSWER DOWNLOAD EXAMIANS APP
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