German Araujo

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Questions related from German Araujo

Any article about the effect of optical whitener pretreatment on cotton dyeing process?

I would like someone could share with me any paper about the effect of the pretreament level with optical whitener in the shade of dyed cotton after batch dyeing. I'm specially interested in...

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What does a double melting peak in PET DSC Curve mean?

I'm studying two samples of PET, the first is a "virgin" PET (with a white color) and the second is a recycled PET (transparent). In the first run of the first sample there is a double melting...

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What could a double melting peak in a DSC curve mean?

I'm working with two unknown polymer samples. The temperature program I used was this: -Heat up from 25ºC to 350º at 10ºC/min -Hold the sample at 350ºC for 5 minutes -Cool from 350º to 25ºC at...

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Single-Use Plastics Ban in Europe by 2021- Technical and Scientific Challenges

The European Parliament has approved a ban on single-use plastics by 2021. Currently there is a growing concern about the environmental and health issues caused by plastic and micro (nano)...

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