Shodiq Yusti Wardana

7 Questions 3 Answers 0 Followers

Questions related from Shodiq Yusti Wardana

How to reduce Molecular weight of Homopolymer Polyacrylate sodium salt?

Currently, I'm preparation a homopolymer sodium salt using Sodium Persulfate as initiator and sodium hydpophospoite as CTA. But,my polymer that I've got have high molecular weight. I need your...

22 April 2024 6,979 4 View

Why foaming while Polymerization Process?

I just doing an experiment in my lab for copolymerization Acrylic acid and maleic acid using hydrogen peroxide as initiator in 103 degC. But, why in my Polymerization process forming a foam?

15 January 2024 2,106 7 View

Polymer to Gel while polymerization process

I carried out a polymer synthesis reaction using a polymer graft using the dispersion polymer method. However, my polymer results into a gel when the initiator is applied. What can I change in...

01 January 1970 7,235 5 View

FTIR Spectra above 100% transmittance

I just doing synthesis for Quartenary Ammonium Chloride in my Lab. When I analysis using FTIR ATR, there's one peak with 150% transmittance. How to fix it? If there's any possibilities for a peak...

01 January 1970 5,926 2 View

Quantitive Measurement from FTIR Spectra

How to know degree of polymerization and ratio of each monomer on some polymer from FTIR spectra?

01 January 1970 4,726 2 View

Relationship between Solid Content and Polymer Properties

Since intrinsic viscosity show a relationship with molecular weight of Polymer. So, how about solid content? Does solid content show us about any polymer properties? Like particle size maybe?...

01 January 1970 7,703 1 View

Synthesis of Imidazoline

I am currently doing imidazoline synthesis. I react between oleic acid and Diethylenetriamine with a temperature condition of 170 for 12 hours for the amidation reaction, and cyclize at 230 for 16...

01 January 1970 2,862 0 View