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

Orbital angular momentum for a d-electron, Orbital angular momentum for a d...

Orbital angular momentum for a d-electron is: (1) 6h/ 2Π             (2) √6/ 2 Π (3) 12 h/ 2Π (4)  √12h/ 2Π Ans:  √6/ 2 Π

Piezoelectric effect is the production of electricity, Piezoelectric effect...

Piezoelectric effect is the production of electricity by?? Piezoelectric effect is the forming of electricity by pressure.

Initial radical concentration, (a) Given the values below, Determine the co...

(a) Given the values below, Determine the concentration of benzoyl peroxide needed to prepare polystyrene with a number average molar mass of 400,000 by bulk free radical polymeris

Arylaldehyde, preparation of arylaldehyde from etards reaction

preparation of arylaldehyde from etards reaction

.asignment, carbolic acid from benzene

carbolic acid from benzene

Calculation of the wind energy resource at a site, The Vermont Wind Assessm...

The Vermont Wind Assessment Program led by Vermont Tech has measured the wind velocity at 25 locations in the state of Vermont in 2005 and 2006 . The results are provided in the

Molecular view of solution formation, Molecular View of Solution Formation ...

Molecular View of Solution Formation See the Result by zoom button   Ionic Solution

Phenol, gattermann koch reaction mechanism

gattermann koch reaction mechanism

Moles to grams, determine the no of atom in 4.5g of k

determine the no of atom in 4.5g of k

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