Here I attach here a CBSE class 12 chemistry doubts of polymer chapter. In the book a condensation reaction takes place between p-hydroxymethylphenol with phenol derivative to form polymer Novolac with CH2 linkage.
I think linkage unit is OCH2
It is the CH2 linkage. Please see the attached picture for the synthesis mechanism.
thank you Tianyu Liu
organic chemist
08 September 2016 2,248 15 View
...
08 September 2015 3,941 0 View
What is the most efficient method for conversion of acid to amide?
07 August 2015 8,812 4 View
Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.
03 March 2021 7,174 5 View
Any suggestion on what book to read is also welcome.
03 March 2021 1,646 4 View
I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...
03 March 2021 7,540 4 View
Hi, I implemented a code to gabor filter cifar10 data but the images after being filtered and stacked are not clear like the original images. I think the problem is in the way I am using the...
03 March 2021 6,317 1 View
Anyone can recommend any books on such topics? Thanks in advance.
02 March 2021 8,457 2 View
Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...
02 March 2021 6,186 3 View
I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...
02 March 2021 1,404 6 View
Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...
02 March 2021 3,024 2 View
I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...
02 March 2021 8,437 2 View
Please provide Book Title and author name
02 March 2021 9,059 3 View