Recent questions and answers in Polymers

Which among the following is true ? (1) Buna-N is a natural polymer (2) Buna-N's manufacture requires nascent oxygen (3) Neoprene is addition co-polymer and used in bucket formation (4) Buna-S is straight linear polymer and is thermosetting plastic

Which of the following statement is correct about Bakelite? (1) It is a linear polymer (2) It is a cross linked polymer (3) It is an addition polymer (4) It is a branched chain polymer

Correct statements among a to d regarding silicones are : (a) They are polymers with hydrophobic character (b) They are biocompatible. (c) In general, they have high thermal stability and low dielectric strenth. (d) Usually, they are resistant to oxidation ...

The biodegradable polymer is : (1) Nylon-6, 6 (2) Nylon 2-Nylon 6 (3) Nylon-6 (4) Buna-S