Pejman Heidarian

7 Questions 12 Answers 0 Followers

Questions related from Pejman Heidarian

What is the best book to understand the basic influence of solvent in the paint and coating technology?

I want to write a proposal about the role of solvent in the paint and coating technology, can anyone help me please?

08 August 2013 3,134 2 View

Why after mixing of polylactic acid in the internal mixer its bulk colour was gray?

The condition was 170 degree of C, 5 min and 60 RPM Thanks.

08 August 2013 9,739 1 View

Why after melt compounding and compression molding of polylactic acid, there is a tendency to develop voids in its bulk structure and it is opaque?

My subject is produce a sheet in 14*10*.25 dimensions. Thank you.

08 August 2013 1,828 5 View

Is polylactic acid soluble in ethanol?

How is it possible? (if yes.)

07 July 2013 9,953 4 View

Why is polylactic acid a hyrophobic polymer exactly? And how much of this is hyrophobic polymer?

06 June 2013 796 3 View

I want to produce nanocomposites based on recycled poly (lactic acid) (rPLA).

Could you please tell me how I can determinate percent of D and L in this polymer exactly? According to my GPC result it is very poly disperse If I prepare micro particles from poly lactic acid as...

06 June 2013 9,493 2 View

How does one measure the density of a polymer?

For example polylactic acid.

06 June 2013 5,907 6 View