SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at_________________?

Related Mcqs:

A copolymer of vinyl and vinylidene chloride is called_____________________?

A. Treylene B. Orlon C. Saran D. Dacron...

Buna-S is also known as_________________?

A. Teflon B. PTFE C. SBR D. Polycrylates...

Thermosetting resins/polymers as compared to thermoplastic ones are ____________________?

A. Soluble in all organic solvents B. More brittle C. Formed by addition polymerisation only D. Easily reshaped & reused...

Rayon is a ____________ fibre?

A. Cellulosic B. Polyamide C. Polyester D. Natural...

Vulcanisation of raw rubber makes it__________________?

A. Soft B. Less elastic C. Plastic D. Tacky...