What are thermodynamics equations for folds in polymer crystal? How can I find them exactly?

More Nasrin Shahmiri's questions See All

Hi, I have a question? Why Young's Modulus doesn't have scientific value after 300% strain in stress strain curve for synthetic rubbers?

where can I find thermodynamic equations for explanation of this phenomenon? Please guide me.

09 October 2017 2,299 2 View

Why abrasion resistance of Polyurethane is 10 times the steel?

how can I find its charts and equations?

09 October 2017 6,377 4 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

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

How two melting peaks in DSC of polypropylene can be merged into one crystallization peak?

The figure shows DSC cooling (blue) and 2nd heating (green) curves (step: 10 K/min) for a commercial sample supplied as Atactic Polypropylene (APP). The heating curve illustrates two major...

03 March 2021 5,857 3 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

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What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View

How to make a time series imputation benchmark ?

Hello ! In a work, I have to benchmark different algorithms to fill in missing values in time series. I insist on the fact that this is imputation and not forecasting. In my case, I have access...

24 February 2021 7,470 7 View

Abdelkader BOUAZIZ

Dear Nasrin,

they are available in most polymer physics books. In the forthcoming days I'll try to provide you with at least one book (if it is not volumunous to be attached. Regards

Nasrin Shahmiri

Hi. Thanks very much .

No thanks. Would you please check the following link. Sooner I'll provide you with more documents. Regards

https://www.researchgate.net/publication/229874280_Crystallization_of_short_aliphatic_polymer_chains_I_General_chain-folding_behavior/amp

Dear Abdelkader BOUAZIZ,

Thanks very much for your help.

Regards

I have other volumunous books that I could not attach. Best Regards

Hi ,

I followed the link of article you prepared in your answer and it was really helpful and I downloaded some other related articles in this field.

Thanks so much for attention.

Nice and good luck. Regards