Advertisements
Advertisements
प्रश्न
Based on molecular forces, what type of polymer is neoprene?
Advertisements
उत्तर
Weak intermolecular forces are present between the polymeric chains in neoprene; thus, it is an elastomer.
APPEARS IN
संबंधित प्रश्न
Answer the following in one sentence.
What type of intermolecular force leads to high-density polymer?
Write the name of the catalyst used for preparation of high density polythene polymer.
Write chemical reaction for preparation of the following.
Buna-S
Write the name of one example of each polymer in which following repeating units.
\[\begin{array}{cc}
\ce{(-CF2-CF2-), -[NH-(CH2)5-CO] -, -(CH2-CH-), (-CH2-CH2-)}\\
\phantom{............................}|\\
\phantom{..............................}\ce{CN}
\end{array}\]
The following structure represents the polymer:
\[\begin{array}{cc}
\ce{[-C-CH2-NH-C-(-CH2)5 NH -]_{{n}}}\\
\phantom{}||\phantom{.............}||\phantom{................}\\
\phantom{}\ce{O}\phantom{.............}\ce{O}\phantom{................}
\end{array}\]
Identify the polymer obtained by polymerization of n moles of acrylonitrile.
Which among the following polymers can NOT be remoulded?
The commercial name of polyacrylonitrile is ______.
Phenol and formaldehyde undergo condensation to give a polymar (A) which on heating with formaldehyde gives a thermosetting polymer (B). Name the polymers. Write the reactions involved in the formation of (A). What is the structural difference between two polymers?
Which of the following polymers do not involve cross linkages?
