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प्रश्न
Name the polymers used in laminated sheets and give the name of monomeric units involved in its formation.
उत्तर
Urea-formaldehyde resin is used in laminated sheets. For the formation of laminated sheets, urea and formaldehyde are the monomeric units.
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संबंधित प्रश्न
Write the monomers of the following polymer :
Answer the following.
Is synthetic rubber better than natural rubber? If so, in what respect?
Write chemical reactions for the preparation of high-density polythene.
Identify additional polymers from the following.
I. \[\begin{array}{cc}
\ce{-(CH2 - CH -)_{{n}}}\\
\phantom{....}|\\
\phantom{.......}\ce{C6H5}
\end{array}\]
II. \[\ce{-(CH2 - CH = CH - CH2 -)_{{n}}}\]
III. \[\ce{-(CO(CH2)4 - CONH(CH2)6NH -)_{{n}}}\]
IV.
Which of the following monomers is used in the manufacture of Neoprene rubber?
Identify addition polymer from the following.
Which of the following polymers, need atleast one diene monomer for their preparation?
(i) Dacron
(ii) Buna-S
(iii) Neoprene
(iv) Novolac
Answer the following.
Write the structure of isoprene and the polymer obtained from it.
Write the name of the monomer of natural rubber.
Write the structure of isoprene and the polymer obtained from it.
