Prepolymer based on PPG and Pure MDI with about 30% of excess MDI. It changed from transparent to cloudy after 3-4 days ....
You can eliminate the problem with a little DBTDL catalyst. (0.01 - 0.05%)
We are using lamination adhesives for flexible packaging. There is a lot of adhesives for use. Also a significant difference there is between price of high heat stable adhesives and normal...
16 September 2020 8,347 0 View
I have 4 subgroups that each one includes 3 to 5 items.For three of them(Subgroups) the Cronbach Alpha is acceptable but for one of them not.According to some literature If our items are less than...
11 December 2019 1,741 6 View
for my quantitative method i need to find the average level of engagement and also border line betwen engaed and disengaged employee ,how should i count values from 1 to 5?
23 October 2019 6,115 6 View
I am dealing with vibration signals which were acquired from different systems. They are mostly non-stationary and in some cases cyclostationary. What are the less expensive methods for removing...
20 August 2019 6,014 7 View
I am working on formulation of adhesives based on Polyurethane chemistry. some of my formulations get cloudy after 24 hours. What can cause this problem?it should be mentioned that with 2,4 MDI...
03 December 2016 1,770 6 View
In my study, adult residents were asked to see the map of outdoor places and choose the places they usually act. I am looking for some sources in order to report it. would you please guide me in...
15 July 2015 2,224 3 View
Hi, I need to measure the real-time (or temporal intervals) thickness variation of a transparent material from dry to wet/humid conditions, however, I cannot use the following techniques: -...
08 July 2024 4,799 4 View
The rise of ethical consumerism
06 July 2024 1,277 0 View
Why deploying blockchain technology can bring greater transparency and blockchain increase human resource management efficiencies?
30 June 2024 1,861 6 View
What is the role of blockchain technology in enhancing audit efficiency and blockchain enables transparency in the trading environment?
30 June 2024 2,283 5 View
Which blockchain is environmentally friendly and potential of blockchain technology to improve transparency and accountability in social structures?
30 June 2024 9,773 8 View
What is the traceability system for agricultural products and blockchain be a basis to ensure transparency in an agricultural supply chain?
29 June 2024 730 4 View
Hello, Can I publish my dissertation even though the original data has been destroyed in line with my university's ethical procedure? Data was to be destroyed upon completion of my degree. I'd...
25 June 2024 9,580 0 View
I am using a peptide and have faced challenges in preparing a transparent peptide solution. My goal is to prepare a peptide solution in MES buffer and then use the solution to immobilize the...
20 June 2024 8,622 5 View
Give clearly answers
16 June 2024 8,668 0 View
Hi everyone. I need to do a lot of colony counting tomorrow and when I was doing it today I’ve noticed that most of the colonies are too transparent - I have to shine bright light on them all the...
12 June 2024 711 3 View