Terylene is a/an Poly amide None of these Homopolymer Addition polymer TRUE ANSWER : ? YOUR ANSWER : ?
Styrene butadiene rubber is commercially manufactured by Suspension polymerisation Solution polymerisation Bulk polymerisation Emulsion polymerisation TRUE ANSWER : ? YOUR ANSWER : ?
Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but Polyacrylonitrile Polyamide Saturated polyester Alkyd resin TRUE ANSWER : ? YOUR ANSWER : ?
Nylon 6 as compared to nylon 6, 6 has lower Hardness Adhesion to rubber Abrasion resistance Thermal stability TRUE ANSWER : ? YOUR ANSWER : ?
90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C. 10-30 -5 250-280 500-600 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following types of polymers has the strongest inter particle forces? Thermoplastics Fibres Thermosetting polymers Elastomers TRUE ANSWER : ? YOUR ANSWER : ?
Softening point of high density polythene is about __________ °C. 205 135 165 85 TRUE ANSWER : ? YOUR ANSWER : ?
Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Hardeners Plasticisers Transparency improver Anti-shrinkage agents TRUE ANSWER : ? YOUR ANSWER : ?
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 PVC Polypropylene Polybutadiene TRUE ANSWER : ? YOUR ANSWER : ?