How to dissolve acrylic killer or The method of dissolving polyurethane?

29 January 2023 1 5K Report

Thank you for your answers

Hello Hojjat,

You can use THF(Tetrahydrofuran) solvent and dissolve polyurethane. You can sock the sample overnight in THF &/or dissolve it at around 50-80 Deg C.

Badges
Science topic

More Hojjat Dadkhah's questions See All

Is there any method for obtaining the carrying capacity of an environment for some bird species without conducting any field work?

12 March 2024 7,761 3 View

Is it possible that use from a verified wps for steel tank and Al tank?

is it possible that use from a verified wps for steel tank and Al tank? when thickness is equal and MIG process is used.

21 July 2023 8,996 1 View

How can I resize the schematic of joints, fixed points and etc. in Ansys AQWA?

I would like to apply joints, connection points and fixed points for my project but I've encountered a problem with the size of these facilities because they are even as big as my structure! how...

07 September 2022 3,273 0 View

How to define initial boundary conditions for each node by an equation in ABAQUS UEL?

Dear all, I'm going to define the initial BC (temperature) in ABAQUS for each node using an equation f(X) where X is the nodal physical coordinates in the undeformed configuration. How is that...

09 May 2021 8,426 0 View

Would you spare 10 minutes to fill out a survey on COVID-19?

A Short Survey on the Effects of Psychological Factors on COVID-19 Symptoms We would like to invite you to fill out a short and anonymous survey on ‘’the effects of psychological factors on...

01 July 2020 8,844 13 View

Do you have time for a quick survey on psychological Factors and COVID-19?

Dear All, We would like to invite you to fill out a quick and anonymous survey on ‘’the effects of psychological factors on COVID-19 symptoms’’. It will only take 15 minutes of yours. We would...

18 June 2020 1,706 7 View

Remove antibody from coimmunoprecipitation mixture?

Recently, I found a commercial kit (or reagent), by which in immunoprecipitation, it removes the precipitating antibody from the mixture and in WB you will not see the 50 and 100 kDa bands....

03 March 2019 3,640 3 View

Does anyone do Internet-Based Mindfulness-Based Cognitive Therapy and could I visit to learn more about the methods?

Hello, I want to know more about Internet-Based MBCT . How can I find a treatment manual for internet-based MBCT?

27 January 2019 9,903 4 View

Cracks in thermally evaporated Gold layer?

Hello everyone, I am using thermal evaporator to deposit 70-100 nm Gold (Au) layer on top of FTO substrate. The gold layer always shows lots of cracks. I have attached a photo here. I ve tried Si...

03 April 2018 2,864 5 View

Hi, is it okay to store tpu (thermoplastic polyurethane) for 1 or 2 days after dissolving it in DMF?

I want to electrospin after 2 days

16 August 2017 3,667 2 View

Which is the better way to find the densification strain of polymeric foam in compressive stress vs strain curve?

From the literature, densification strain of polymeric foam material determine by mainly two method: 1. Using the tangent method. 2. Using the energy absorption efficiency method Kindly suggest...

22 April 2024 9,780 3 View

Why isn't polyurethane coated urea showing slow release?

I am trying to coat urea with Polyurethane modified with Siloxane and PEG-400. I synthesized the polyol myself using cotton stalks (Liquified cotton stalk) and the MDI that I am using is...

27 March 2024 5,587 2 View

I have 2 questions about molar ratio in polyurethane synthesis ?

While reading papers on polyurethane synthesis, a question arose. Q1. MDI [methylene di(p-phenyl) isocyanate] 2mmol PTMO[poly(tetramethylene oxide)] 1mmol 1,4-butanediol 0.9mmol...

27 March 2024 2,718 2 View

Shouldn't linear polyurethane have an R ratio of 1:1?

In linear polyurethane, which is made by reacting isocyanate with two NCO and -diol with two OH, the R ratio (the ratio of NCO to OH), cannot theoretically deviate significantly from 1:1, right?

25 March 2024 4,488 8 View

Is stannous octoate necessary when making polyurethane?

When making medical TPU using PCL, some papers use stannous octoate, while others do not. Is stannous octoate really necessary?

18 March 2024 8,587 3 View

Is the urethane bond between diol and isocyante broken by the solvent?

To make polyurethane, TPU pellets are melted with DMF or THF solvent. Q1. Is the urethane bond between diol and isocyante broken by the solvent? Q2. When the solvent is volatilized, a urethane...

16 March 2024 5,039 9 View

Please suggest good book for polyurethane footwear sole?

Please recommend some quality books that assist in the development of prepolymer for the application of polyurethane in footwear soles.

16 March 2024 1,295 0 View

How can I increase hydrophilicity of polyurethane foam?

I will use polyurethane foam for replica impregnation method. I want to increase hydrophilicity of polyurethane. Which chemical should I treat the surface of the polyurethane foam to increase its...

10 March 2024 7,783 2 View

How to prove/calculate polymer diffusion/interaction study of thermoset and thermoplastic?

Greeting, currently working mixing of thermoset and thermoplastic polymer to from a coating. I would like to study in term of diffusion either both material miscible or immiscible between these...

07 February 2024 7,641 2 View

How do I get a good dispersion of BiFeO3 in thermoplastic polyurethane (TPU)?

I'm trying to get a good dispersion BiFeO3 in TPU using probe ultrasonication. I then take the mixture and try to get a good film using a doctor blade method. So far, I can't seem to get as good a...

05 February 2024 7,519 0 View