Addition polymerization, Chemistry

Assignment Help:

Addition polymerization: It involves following three mechanisms:

1.                 Free radical polymerization

2.                 Ionic polymerization mechanism

3.                 Coordination polymerization mechanism

Free-radical polymerization: It involves following steps:

Initial step

1.                 Production of free radicals by the decomposition of compounds called initiators

R-R = 2R

Initiator free radicals

The decomposition of the initiator is splitting into two identical fragments called homiletic decomposition, where each fragment carrier's one unpaired electron with it called free radical.

Chain propagation step: The free radical (R) produced in the chain initiation step adds to an alkenes to form a new free radical, which then reacts with additional monomers in a chain reaction:

R + H2C = RCH2CH2

RCH2CH2 +CH2 = RCH2CH2 :CH2


Related Discussions:- Addition polymerization

Coordination complexes, iupac naming of ten bridged ligand containg complex...

iupac naming of ten bridged ligand containg complexes with their formulas

Determine mass to charge ratio of the electron, Q. Determine Mass to charge...

Q. Determine Mass to charge ratio of the electron? Ans. Eventually, Thomson was able to find the ratio of the electron's mass to its electrical charge (m/e). Regardless o

Aluminum , GROUP 13: ALUMINUM TO THALLIUM The substance aluminum, indiu...

GROUP 13: ALUMINUM TO THALLIUM The substance aluminum, indium, gallium and thallium have valence electron configurations (ns) 2 (np) 1 and for the lighter elements their chemis

Define statement when electron is not equally determined, The position and ...

The position and velocity of a small particle like electron cannot be simultaneously determined." This statement is: (1)  Heisenberg uncertainty principle (2)  Principle of

Show reduction to metals, Q. Show Reduction to Metals? After removed of...

Q. Show Reduction to Metals? After removed of the gangue, i.e. impurities physically mixed with the metal elements, the concentrated ore becomes ready for the isolation of meta

Saturation of magnesium nitrate, How can I figure out when a solution of ma...

How can I figure out when a solution of magnesium nitrate will be saturated in terms of its conductivity at room temperature?

The magnetic quantum number specifies, The magnetic quantum number specifie...

The magnetic quantum number specifies : (1) Size of orbitals (2) Shape of orbitals (3) Orientation of orbitals (4) Nuclear stability Ans:   Orientation of orbitals

What is scientific law and theory, Q. What is scientific law and theory? ...

Q. What is scientific law and theory? A theory is a description that has been supported by many experiments. Theories declare broad principles of nature. Even though theories a

Covalent radius, Covalent/ionic/atomic radius of hex-1-ene

Covalent/ionic/atomic radius of hex-1-ene

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd