Habib Saedi

5 Questions 9 Answers 0 Followers

Questions related from Habib Saedi

How do I determine the solubility of polymers?

Dear all, Are there anyone send me a standard (ASTM) procedure to determine the solubility of a prepared polymer at aqueous buffer solution? We are trying to prepare an aqueous soluble polyimide...

01 January 2016 8,133 9 View

Can anyone tell me the size of Ubbelohde Viscometer compatible with d=0.6 mm.

I'm trying to buy Ubbelohde Viscometer from Cannon Glass CO. to measure a viscosity of one prepared polymer. According to this company the size was terminated as 0, 0C, 0B, 1... etc.So which size...

08 August 2014 2,973 3 View

When synthesising a porous polyimide how do I interpret the IR spectrum?

I'm trying to synthesis a porous polyimide from the reaction of melamine and pyromellitic dianhydride and faced some problems in interpretation of its IR spectrum.

06 June 2014 9,010 0 View

How many exotherms appear from the DSC thermogram for a monomer that has two vinylic groups, and how can I know the post curing if it is found?

In my lab. I prepared a difunctional monomer, which contains two similar vinylic groups. Is there more than one exotherm that represents the homopolymerization and crosslinking polymerization...

01 January 2014 2,703 4 View

UV absorber determination.

Are there any method for quantitative and qualitative determination of UV absorber in polyethylene bags, sheets, pipes and others?

02 February 2013 7,217 3 View