Question
Question: Which of the following is a chain growth polymer? (A) Teflon (B) Nylon \( 6 - 6\ \) (C) Nylon...
Which of the following is a chain growth polymer?
(A) Teflon
(B) Nylon 6 - 6\
(C) Nylon- 6\
(D) None
Solution
Chain development polymerization is a polymerization method where unsaturated monomer particles add onto the dynamic site on a developing polymer chain each in turn. There are a predetermined number of these dynamic destinations at any second during the polymerization which gives this technique its key attributes.
Complete answer:
Steps of chain-development polymerization
Ordinarily, chain polymerization should contain chain inception and chain engendering. Chain move and chain end don't generally occur in a chain-development polymerization.
-Chain initiation
Chain commencement is the cycle of at first creating a chain transporter (chain transporters are a few intermediates, for example, revolutionary and particles in chain engendering measure) in a chain polymerization. As per various methods of energy scattering, it tends to be isolated into warm commencement, high energy inception, and substance commencement, and so on Warm commencement is a cycle that acquired energy and separated to homolytic cleavage to frame dynamic focus by atomic warm movement. High energy inception alludes to the age of chain transporters by radiation. Synthetic commencement is because of compound initiator.
-Chain propagation
IUPAC characterized chain spread as a functioning community on the developing polymer particle, which adds one monomer atom to shape another polymer particle which is one recurrent unit longer with another dynamic place.
-Chain transfer
The polymerization cycle doesn't need to go through chain movement. Chain move implies that in a chain polymerization, the dynamic focus of the polymer A takes a particle from B atom and ends. The B atom creates another dynamic community all things considered. It can occur in free extreme polymerization, ionic polymerization and coordination polymerization. By and large, chain move will create result and in the vast majority of cases diminishes molar mass of arranged polymer.
-Chain termination
Chain termination alludes to in chain polymerization measure, dynamic focus vanishes, bringing about the end of chain engendering. It is not the same as chain move. During the chain move measure, the dynamic direct just moves toward another particle however doesn't vanish.
Chain development polymer is otherwise called additional polymer. A chain-development polymer is a polymer which is shaped when atoms of similar monomer or various monomers add together for a huge scope to frame the polymer. Teflon is a chain-development polymer as the particles of tetrafluoroethylene (monomer) basically add together to frame the polymer.
Henceforth, option A is right.
Note:
A step-growth polymerization reaction could occur between any two particles with the same or diverse level of polymerization, ordinarily monomers will shape dimers, trimers, in framework lastly respond to long chain polymers. The system of step-development response depends on their useful gathering. Step-development polymerization incorporates polycondensation and polyaddition.