Jiawei Lu

5 Questions 1 Answers 0 Followers

Questions related from Jiawei Lu

How to determine the hydrogen bonding cross-linking occurring between polymers?

When I was doing a blend of two polymers, I determined from the literature that a cross-linking reaction with hydrogen bonding would occur between them. Hydrogen bonding occurs when a hydrogen...

26 September 2023 5,462 1 View

How should the film sheet be fixed when the laminated film is coated?

I prepare the composite film by fixing the support layer on a flat and smooth glass plate and then applying the casting solution using a wire rod or a wet film preparer. I would like to ask what...

25 September 2023 1,348 0 View

Is it necessary to peel off the support layer when characterizing a composite membrane?

I am researching in the direction of composite membranes for gas separation membranes, and one question I have is: when doing things like FT-IR, XPS, and TG, is it necessary to cast the membrane...

19 August 2023 3,924 1 View

How to better apply film manually with a micron wet film applicator?

I am researching in the field of gas separation membranes because of subject matter funding. I have to use a micron wet film applicator for manual coating. I applied the membrane fluid on my...

12 July 2023 7,530 1 View

What do I need to pay attention to in the synthesis of COF?

In the synthesis of covalent organic frameworks (COFs), freeze-pump-thaw and glass sealing techniques are commonly used. How can I use a Pyrex tube for freeze-pump-thaw and what should I pay...

18 April 2023 1,038 1 View