Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to _________________?

Related Mcqs:

Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its_________________?

A. Elasticity B. Strength C. Plasticity D. Weathering characteristics...

The rate controlling step in the manufacture of silicone rubber is the_________________?

A. Polymer termination step B. Condensation of siloxane to silicone C. Initial hydrolysis of silicone monomer D. None of these...

Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its__________________?

A. Tensile strength B. Chemical resistance C. Flexibility D. All A., B. & C....

_______________ is a natural fiber?

A. Cellulose B. Dacron C. Nylon-6 D. None of these...

Which of the following is generally not drawn into fiber ?

A. Polyamide B. Unsaturated polyesters C. Saturated polyesters D. Polyacrylonitrile...