Shafeeq Valiyaveetil Haneefa

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Questions related from Shafeeq Valiyaveetil Haneefa

How a cross linked PU/EVA blend can be etched by solvents?

In many publications, I have seen that one phase of a peroxide crosslinked EVA/PU blend has been etched by its solvent to analyse the morphology of the blend. the etched portions are seen in the...

27 September 2019 3,852 0 View

How to determine interfacial energy of polymers?

How to determine interfacial energy of polymers by contact angle from a goniometer? How polar and dispersive part of interfacial energy is obtained?

18 September 2019 3,753 3 View

How to find out activation energy (Ea) of thermal degradation using Horowitz and Metzger models?

I was trying to find activation energy of thermal decomposition using Horowitz and Metzger model. in this model Ea is calculated from slope of ln(ln(1/1-alpha) v/s T-Tmax . alpha =...

04 May 2019 6,471 2 View

What we can infer if the experimental tensile strength is higher than parallel model?

the tensile strength of a set of blends prepared from two elastomers is well higher than parallel model. what could be the possible explanation for the same?

04 March 2019 8,619 1 View

I have synthesized a polyphenylene derivative. Can I measure the specific heat capacity/thermal conductivity by DSC?

Can I measure the specific heat capacity of polyphenylene derivative by DSC?

23 November 2017 9,050 3 View