13 Questions 37 Answers 0 Followers
Questions related from Rezvan Sharifi
Can you recommend a manufacturer's guide to making hard alkyd foam? I would like to prepare a similar foam of my sample, is Alkid foam! I did FTIR analysis and it confirmed that it is a non-drying...
15 March 2024 3,164 0 View
i did an spectrum FTIR of resin that i dont know that cuold you please help to interpration? Thanks in advance
09 May 2023 3,191 0 View
Dear friends, who can interpret this grain size curve? This grading curve made with malvern! thank you
21 November 2016 1,824 12 View
To make flexible polyurethane foam, necessary to observe the mixing process? I want to know , the oxygen of the air accumulates in the mix? How is the condition of mixing? Thank you Rezvan
21 June 2016 8,790 7 View
Who can help me of polyurethane combustion consumption produces some toxic products? Thanks friends
13 April 2016 4,464 2 View
I did pyrolysis of a resin, polyester reisne found in bookstores, but I have doubts. Who can help me? Thanks very much
08 February 2016 3,118 4 View
What happens when I make polyurethane foam, and the foam does not remain stabl? Thank you
18 January 2016 7,257 7 View
If I dissolve a polyester urethane resin in THF, not distruge bonding resin? Or as another alternative ?
21 December 2015 7,940 4 View
can you help me ? I did an analysis of a resin, and I received this curve .... so can you help me to know that this resin made from what? Thanks a lot
15 December 2015 2,954 15 View
I want to mix the polyurethane resin with powder of zirconium and silicon carbide.How can I keep the grains polar neighbors together with the polyurethane resin?(Almost 14% resin and 87%...
07 September 2015 7,144 4 View
I have three methoxy sialno ; Aminoethyl , aminopropyl - trimethoxysilane and propylmetaacrylate trimethoxysilane and 3 - aminopropyl - trimethoxysilane Which of the three and sarabbe better? And...
25 August 2015 8,427 21 View
How to calculate the molar ratio for the components of a polyurethane in a stoichiometric value? For example, if I have: Trifunctional polyolPPG (MW = 1000 g/mol) Diisocyanate (MW = 250 g/mol)...
28 July 2015 9,568 11 View
Hello friends siloxane resins are thermosetting?what type of polymerization you can have? Thank you
01 January 1970 7,574 3 View
