Why the melting entalphy of samples of PP-g-MA is different but the peaks observed by XRD are very similar, how can be explained it?

The difractograms not show a variation of the intensity of the peaks, but the melting enthalphy obtained by DSC is changing with the AM grafted into PP.

10 November 2017 5,299 4 View

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08 September 2016 6,751 0 View

How can make the integration of the peaks in a NMR spectrum by using the origin program?

03 April 2016 5,593 2 View

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By DSC analysis the polymer only shows a Tg

01 February 2016 5,953 4 View

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When I put the stress for a period of 600 s. After that I remove the stress, the rheometer take values of compliance or in the methodology have I add another parameter?

01 February 2016 9,906 1 View

How can I quantified the proportion of a phenol and formaldehyde employed on the synthesis of a resol?

I need to find the molar ratio of these materials in a final resol.

31 December 2015 3,739 3 View

Why one sample A presents higher complex viscosity than a sample B, but the behavior in a shear viscosity is opposite?

This behavior was exhibited by thermoplastic polymer functionalized on molten state

11 December 2015 4,238 9 View

How can I export results on a Zetasizer nanoseries (nano Z)?

I need to obtain quickly this information, but when I make clik in file and then on export results not appear the information required to obtain the plot

07 August 2015 3,316 7 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

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02 March 2021 3,060 3 View

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02 March 2021 932 1 View