Hello, How much quantity of PVDF in grams and NMP in mL is required to make 10% PVDF solution?

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Peter Bedwell

to make a 10% solution you need 90g NMP (n-methyl pyrrolidone?) and 10g PVDF density NMP is 1.03 so to get 90g need 90/1.03 = 87.38ml

Alan F Rawle

Bushra Perveen

Weight, volume, or mole%?

Yasun Kannangara

yes, that's correct. Normally documents mention 70 °C, but practically, you have to increase the temperature to 90–100 °C and keep it overnight.