Chemical Engineering :: Polymer Technology
-
The rate controlling step in the manufacture of silicone rubber is the
-
Diphenylamine is added to rubber to
-
Polycaprolactum (Nylon - 6) is produced by the condensation polymerisation of caprolactum at 240-280°C in which the conversion of caprolactum is about __________ percent.
-
Viscose rayon is
-
Pick out the wrong statement.
-
Polyurathane can not be used for making
Whatsapp
Facebook
|
A.
For the manufacture of styrene, the major raw materials are benzene and ethylene.
|
|
B.
One inportant copolymer of styrene is SBR, which is widely used in the manufacture of automobile tyres.
|
|
C.
Manufacture of phenol by chloroben-zene-eaustic process involves. The chlorination of benzene, causticisation and hydrolysis.
|
|
D.
Phenol manufacture by chlorobenzene-caustic process is competitive even when low cost chlorine is not available.
|