Bakelite, Chemistry

Assignment Help:

Bakelite:

It is thermosetting plastics which are most widely used and the most important plastics.

Preparation:

It is formed by condensation reaction of phenol and formaldehyde.

Properties:

1.                 It possesses outstanding electrical and mechanical properties.

2.                 It is resistant to heat, water and many chemicals.

3.                 It decomposes by concentrated caustic alkalis, sulphuric acid and nitric acid.

Uses:

1.                 Uses for making switch boards, aircraft accessories, automobile and telephone.

2.                 Asbestos is added to increase resistance to heat and chemicals. Moulded sheets having many uses are made by impregnating paper sheets in resins.

 

 


Related Discussions:- Bakelite

Titration, How are standard solutions prepared in industries?

How are standard solutions prepared in industries?

Benzene, why 1 product is obtained when an electrophile reacts with mono-su...

why 1 product is obtained when an electrophile reacts with mono-substituted benzene

Requirements for the evaluation process, Q. Requirements for the evaluation...

Q. Requirements for the evaluation process? Some of the requirements to be kept in mind for the evaluation of the products are listed herewith: • People in a sensory test a

What was the resulting color and approximate ph of solution, Why were you a...

Why were you able to observe electrolysis in the cabbage juice indicator solution before any vinegar was added to this solution, while no electrolysis was observed in distilled wat

Which of the following sets is possible for quantum numbers, Which of the f...

Which of the following sets is possible for quantum numbers : (1) n=4, l=3, m= -2 , s=0  (2) n=4, l=4, m= +2 , s=1/2           (3) n=4, l=3, m= -2 , s=+1/2          (4)

A covalent bond between two elements, A covalent bond is likely to be form...

A covalent bond is likely to be formed between two elements which: (1) Have similar electronegativities (2) Have low ionization energies (3) Have low melting points (4

Determine concentrations of solutions, Q.How can we determine Concentration...

Q.How can we determine Concentrations of Solutions? Ans. The concentration of a solution is the quantitative expression of the amount of solute dissolved in the solution.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd