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Questions related from Md. Arifur Rahman
Looking for some small molecules which can expand thermally in confined intermolecular spaces after polymerization (anionic).
04 April 2016 9,122 2 View
Some viscoelastic analysis indicated that the ultra high molecular weight PVAc homo polymer may contains physical cross linking due to the entanglements. How can i calculate the mol wt of the...
08 August 2014 6,894 6 View
Currently, I am working with a system that is basically assemblies of alternating solid and porous polymeric layers (figure is attached). I am interested to study the thermal conductivity of such...
02 February 2014 10,083 3 View
Currently, I am looking for a way to measure the total reflection of a reflective film. I am using an UV instrument equipped with a reflection mode and it measures the absolute reflection of the...
09 September 2013 5,317 5 View
I am looking for the example of a natural material that has a multilayered porous structure and is optically transparent.
05 May 2013 1,635 19 View
ENR posses high polar group contents possibly due to the random epoxidation of polyisoprene backbones. Partial ring opening of epoxide group can contribute to OH group formation and thus able to...
11 November 2012 9,662 2 View
Inspite of having higher Tg, Epoxidized natural rubber (with 25 and 50 mol% epoxidation level) exhibit higher stickiness than the synthetic polyisoprene (cis). Why?
09 September 2012 9,788 2 View