Muhammad Abd El-Haleem

3 Questions 3 Answers 0 Followers

Questions related from Muhammad Abd El-Haleem

What's the reason for uncontrolable temp. increasing in the emulsion polymerization of Styrene and butylacrylate?

I'M working in the filed of production of emulsion polymers, while making polymerization reaction between styrene and butylacrylate monomers the temp. rapidly increased from 80 to 92 C°. and...

10 October 2019 7,025 2 View

What Is the reason for black color of Polyaniline ( emeraldine salt) ?

I'm Synthesizing Polyaniline (PANI) (emeraldine Salt). by reacting ammonium persulphate with aniline hydrochloride and at temp. 0-5 °C . but it ends up with emeraldine salt with black...

08 August 2019 8,982 1 View

Which is more favorable to use as initiator for emulsion polymerization (bisulphite - persulphate or hydrogen peroxide- formaldehydesulphoxylate ??

I'm working in the field of production of emulsion polymerization and wanna know which redox system is better to use (bisulphite-persulphate) system or ( formaldehydesulphoxylate - hydrogen...

03 March 2019 1,171 2 View