Difference between anionic emulsions and cationic emulsions, Civil Engineering

Assignment Help:

Q. Bitumen emulsions - difference between anionic emulsions and cationic emulsions?

Bitumen emulsions comprises particles of bitumen dispersed in water by using emulsifying agent. When emulsion breaks, it signifies a change from a liquid to a coherent film with bitumen particles coagulating together. The sign of breaking is the change of colour from brown to black as the colour of emulsion and bitumen is black and brown respectively. 

There are in common two broad types of emulsions, viz.cationic emulsions and anionic emulsions. The breaking of anionic emulsions is dependent on the evaporation of water from bitumen emulsion. It poses difficulty in wet weather condition. Though for cationic emulsions, in place of relying on the evaporation of water the breaking is achieved by chemical coagulation. Therefore cationic emulsions are chiefly useful in wet weather conditions.


Related Discussions:- Difference between anionic emulsions and cationic emulsions

Explain about the pot bearing - bridge bearing, Explain about the Pot Beari...

Explain about the Pot Bearing? POT bearing was developed in 1959 as an alternative to heavy steel sliding bearings. It consists of a circular non-reinforced rubber-pad fully en

Roads in hilly areas, Roads in Hilly Areas: (a)        The alignment s...

Roads in Hilly Areas: (a)        The alignment selected should attain the changes in elevation by adopting the ruling gradient to the maximum length. Limiting and exceptional

Aggregates, effects of aggregates used in concrete

effects of aggregates used in concrete

What is a projection line, Projection line is the way, in which the earth i...

Projection line is the way, in which the earth is made known on a flat piece of paper.

What is initial prestress, What is Initial Prestress From the transfer ...

What is Initial Prestress From the transfer stage, tensile stresses in tendons apply compressive stresses in concrete. The initial value of  these stresses (in tendons or in co

Building material, what is grillege foundation and where are use

what is grillege foundation and where are use

Gg, ggggggggggg

ggggggggggg

Angular messurement using total stations, write a short note on angular mes...

write a short note on angular messurement using stations?

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