A. Hajighasem

6 Questions 13 Answers 0 Followers

Questions related from A. Hajighasem

Glycerol as a versatile raw material?

Diminishing fossil resources, their rising prices and their negative effects on our living environment have shifted researchers' attention toward renewable sources to access fuel and chemicals as...

08 August 2013 2,378 5 View

Organogels with ability to absorb more than 100 g/g of alcohol was rarely observed in articles. Do you know any publication about this topic?

Generally, four factors (polymer–solvent, ionic, elastic and electrostatic interactions) are involved in the swelling of the gels. The dielectric constant of the swelling medium, the degree of...

08 August 2013 3,098 0 View

How can I determine CMC in emulsions and inverse emulsions?

Which factors influence in CMC (critical micelle concentration)?

08 August 2013 7,826 12 View

What is the mechanism of coalescence in W/O & O/W emulsions?

Which factors lead to emulsion breakdown?

08 August 2013 8,001 15 View

SO3H-Epoxy ring or COOH-Epoxy ring, which interaction is stronger and more possible to occur?

I synthesized microgels with epoxy crosslinkers. In my thickener both SO3H and COOH functional groups are exist. Formation of these interactions are not seemed to be impossible.

08 August 2013 5,395 3 View

What kind of glass fibers can be used in spray-applied fire-resistive materials (SFRMs)?

Please note that high temperatures should not affect the fibers and make them brittle. Also, based on our knowledge, the glass fibers which are used in cementitious fireproofing materials must be...

01 January 1970 8,080 2 View