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

Succinic acid, Evolution of succinic acid,Physical and chemical properties ...

Evolution of succinic acid,Physical and chemical properties of succinic acid,succinic acid uses,succinic acid derivatives,succinic acid production techniques,biotechnology of succi

Perfumes - chemical in cosmetics, Perfumes: Perfumes are the matters, ...

Perfumes: Perfumes are the matters, utilized to provide fragrance. Several requirements must be fulfilled to make use of a good perfume and any material, that just offers good

Endothermic Reaction, Why is ATP considered an endothermic reaction ?

Why is ATP considered an endothermic reaction ?

Hiroshima, what reactions take place

what reactions take place

The spectrum of he is expected to be similar to, The spectrum of  He is ex...

The spectrum of  He is expected to be similar to: (1) H                      (2) Li +        (3) Na                 (4) He + Ans:  Li +

The characteristic of planck''s quantum theory of radiation, Which one of t...

Which one of the following is not the characteristic of Planck's quantum theory of radiation: (1)The energy is not absorbed or emitted in whole number or multiple of quantum

Inorganic chemistry, dipole moment of para.nitro aniline is 6.10 D.why

dipole moment of para.nitro aniline is 6.10 D.why

Water will not compress, Water will not compress Fit a soda water bottl...

Water will not compress Fit a soda water bottle with a one-hole stopper. By the stopper place the glass tube from a medicine dropper, narrow end up. Fill the bottle to the top

Moles, When 100ml of M/10 h2so4 is mixed with 500 ml of M/10 naoh then natu...

When 100ml of M/10 h2so4 is mixed with 500 ml of M/10 naoh then nature of resulting solution and normality of excess of reatant left is 1)Acidic,N/5 2)basic ,N/5 3)Acidic,N/20 3)ac

Phylum Protozoa, 1. Write an easy on the classification of Phylum Protozoa,...

1. Write an easy on the classification of Phylum Protozoa, a large phylum comprising approximately 50,000 species. (10marks)

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