Evangelina Tessia pricilla

7 Questions 6 Answers 0 Followers

Questions related from Evangelina Tessia pricilla

How to solve early solidification which causes hanging web in electrospinning?

I want to make electrospinning scaffold with PLA/PCL/PMMA/Collagen with these methods: 1. I use chloroform:methanol 3:1 to dissolve PLA (mW 80.000, 2 wt%), PCL (mW 70.000, 3 wt%), and PMMA mW...

11 November 2019 4,157 3 View

How can I solve the needle clogging problem during electrospinning with PLA/PCL/PMMA/Collagen?

For my thesis research, I dissolved PLA and PCL in chloroform: methanol (3:1), PMMA (350.000 MW, 13 wt%) in acetone, and collagen in acetate acid--and then, I mixed them together. The problem is...

10 October 2019 8,337 4 View

How much PMMA (350.000 mw) is needed to be dissolved in ethylacetate?

I have thesis research to make electrospun fibers of PLA/PCL/PMMA/Collagen. I got recommendations that I should use ethyl acetate as solvent for PMMA since I want to mix it together with PLA, PCL,...

10 October 2019 7,299 1 View

How long does it take to mix PMMA with PLA/PCL?

For my thesis research, first, I mix PLA (solvent: chloroform/methanol) and PCL (solvent: chloroform/methanol) for 2-3 hours. After that, I want to mix PLA/PCL with PMMA (mW 350.000 solvent: ethyl...

10 October 2019 1,549 1 View

How to make continous and uniform fiber synthesis of PLA/PCL/PMMA/Collagen with electrospinning?

For my thesis research, I dissolved PLA and PCL in chloroform: methanol (3:1), PMMA (350.000 MW, 13 wt%) in acetone, and collagen in acetate acid--and then, I mixed them together. The problem...

10 October 2019 699 4 View

How to dissolve PMMA in Acetone?

At my first trial, I've been dissolved PMMA powder in acetone with magnetic stirrer in room temperature for 30 minutes. It turns out that PMMA powder becomes gel and gets hardened with many tiny...

09 September 2019 6,116 6 View

How long does it take to blend PLA solution with PCL solution?

Greetings! I have a research where I dissolve PLA in chloroform:methanol (3:1) for 3 hours and also PCL in chloroform:methanol (3:1) for 3 hours too. After that, I have to blend those two polimers...

09 September 2019 6,546 2 View