What is natural rubber ? What is vulcani...

What is natural rubber ? What is vulcanisation of rubber ? How is it carried ?

Text Solution

Verified by Experts

Natural Rubber : The rubber obtained from natural sources is called natural rubber. It is obtained by rubber tree in the form of latex.
Vulcanisation of Rubber : To make rubber useful, natural rubber is heated with sulphur in between temperature 373 K - 415 K. Due to which cross linking occurs and rubber becomes elastic. Sulphur atom can link at the partition show as below.

Topper's Solved these Questions

POLYMERS
OSWAAL PUBLICATION|Exercise LONG ANSWER TYPE QUESTIONS - II|2 Videos
POLYMERS
OSWAAL PUBLICATION|Exercise SHORT ANSWER TYPE QUESTIONS|9 Videos
P - BLOCK ELEMENTS
OSWAAL PUBLICATION|Exercise TOPIC - 4 (GROUP - 18 ELEMENTS, THEIR PROPERTIES AND SOME IMPORTANT COMPOUNDS)(LONG ANSWER TYPE QUESTIONS - II)|3 Videos
sample Paper 1
OSWAAL PUBLICATION|Exercise EXCERSICE|62 Videos

Vulcanization of rubber is carried out by adding :

Sulphur

Carbon

Ozone

Phosphorus

The process of vulcanisation of rubber makes it :

soluble in water

hard

soft

less elastic

Halides of sulphur used in vulcanisation of rubber is

`SF_6`

`SF_4`

`S_2Cl_2`

`SF_2`