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

Physical properties of phenol, Physical properties of Phenol (a) Phenol...

Physical properties of Phenol (a) Phenol is a colorless crystalline, deliquescent solid. It attains pink colour on exposure to air and light. (b) Phenol is capable of formin

D block, what is the liquid metal

what is the liquid metal

Acids and bases, What does the HA and A- stand for in buffer solution equat...

What does the HA and A- stand for in buffer solution equations? Ka=HA/A-

Why are there never more than two electrons in an atomic orb, why are orbit...

why are orbitals occupied singly first befor the pairing of electron occurs

Mixed gas laws review, How many moles of gas occupy 98 L at a pressure of 2...

How many moles of gas occupy 98 L at a pressure of 2.8 atmospheres and a temperature of 292 K?

Organic chemistry, How urea is considered as organic molecule. Becuase it d...

How urea is considered as organic molecule. Becuase it does not contain C-H or C-C bonds

Disinfectants - chemistry in action, Disinfectants: The chemical substa...

Disinfectants: The chemical substances that are employed to kill microorganisms although they cannot be applied on living tissues are known as disinfectants. Hence, disinfectan

Determine the specific heat, Q. Determine the specific heat and claculate t...

Q. Determine the specific heat and claculate the total heat transfer? Ans. If a mug full of coffee has about 350 g of liquid inside, how much heat is lost as it cools from 87 o

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