Botros S Meglaa

9 Questions 11 Answers 0 Followers

Questions related from Botros S Meglaa

What the method of preparation of Trimethylolpropane trimethacrylate (TMPTMA) ?

How can I prepare Trimethylolpropane trimethacrylate (TMPTMA)? I know that I have to start with Trimethylol propane (TMP) and methacrylic acid (MAA) in 1:3 but I don't know the right condition to...

12 January 2022 9,075 3 View

How to calculate the degree of branching for a polyester hyperbranched polymer,from 1HNMR data?

I have 1HNMR data. But we do not know how to quantify the degree of branching for the hyperbranched polymers from the area under the curve. Please suggest step by step procedure how to quantify...

26 June 2020 9,872 0 View

How can I get the theoretical Hydroxyl number of reaction of -COOH of polyester with epoxy group of any compound ?

I need to know the theoretical calculation of Hydroxyl number of reaction of -COOH of polyester with epoxy group of any compound

25 July 2018 7,585 3 View

Can anyone send me an ASTM method for determination acidity of MDI for use in the production of polyurethane?

I need an ASTM method for determination acidity of MDI for use in the production of polyurethane to avoid gellation.

09 September 2017 952 5 View

Is it possible to determine hydroxyl value by 859 Trioterm? If yes, how ? If no, what is the alternative for this determination?

I search an accurate method for determiantion hydroxyl value in Hydroxy acrylic resin, saturated polyester resin and alkyd resin.

16 March 2017 2,055 3 View

Is it possible to determine hydroxyl value by 859 Trioterm? If yes, how ? If no, what is the alternative for this determination?

I search an accurate method for determiantion hydroxyl value in Hydroxy acrylic resin, saturated polyester resin and alkyd resin.

03 March 2017 7,097 3 View

Can anyone support me with reference or paper about reactivity ratio of acrylate monomers in hydroxy acrylic, TPA and TSA solvent born?

Reactivity ratio of monomer in polymerization reaction

12 December 2015 9,395 1 View

What are the keys for reading an IR chart for Acrylic polymer Solvent borne, saturated polyester and adhesive flexible packaging?

How can i read IR chart ?

17 November 2015 8,951 5 View

What are the keys for reading an IR chart for Acrylic polymer Solvent borne, saturated polyester and adhesive flexible packaging?

How can i read IR chart ?

11 November 2015 6,231 6 View