chapter 1 introduction to polymer chemistry

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Nanyang Technological University,School of Physical and Mathematical SciencesChemistry and Biological Chemistry

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  • CM 9092Polymer Chemistry

    Division of Chemistry & Biological Chemistry

    School of Physical and Mathematical Sciences

    LING Xing Yi, Ph.D.

    Nanyang Assistant Professor

    xyling@ntu.edu.sg

    CBC 04-05

  • CM 9092 Polymer Chemistry

    Tuesday: 15:30 16:30 SPMS LT 4

    Thursday: 15:30 17:30 SPMS LT 4

  • CM 9092 House rules

    Please bring your clicker and scientific calculator at all time!

    Class attendance is NOT mandatory. You may not attend classes at your own risk.

    You shouldn't be late, but if you must be late, come in as quietly as possible and sit near the door.

    All mobile phones in silence mode.

    No chit chat in the class. Don't say anything to anyone at any time unless, during Q&A time. If you want to talk, please leave the class.

    You may sleep during lecture(s). But please do NOT snore, i.e. please do not disturb others.

  • Important notes

    Assessment/exam:

    Clicker questions, assessments (Q&As)

    Q&As (Chap 1 6) 10 %

    Clickers 10 %

    Continuous assessment 25 %

    Week 8, 9th October 2014 (Thursday)

    Final exam 27th Nov 2014 (Thursday) 55%

  • Question & Answers

    One for each chapters (total 6 chapters).

    Deadline: To be announced.

    Please submit to my office CBC-04-05.

    Use blue/black pen ONLY! Pencil-written answer will

    NOT be graded.

    If you dont understand the question, you may email

    me.

  • Important notes

    Office hours:

    Week 1 Week 12, Recess week

    Office: CBC 04-05

    Every Monday: 5:00 pm 6:00 pm

    Every Wednesday: 5:00 pm 6:00 pm

    ** No reply of questions through emails.

    ** You may email me your question(s) beforehand, make an appointment, and

    come see me in my office.

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  • CM 9092

    Polymer chemistry curriculum

    Three basic problems:

    1.What is polymer?

    2.How to make polymer?

    3.How to characterize polymer?

  • CM 9092 Polymer chemistry curriculum

    - Broad and general introduction to polymer chemistry

    - Designed for Year 2 and Year 3 Chemistry students.

    Introduction to polymers

    Step polymerization

    Radical polymerization

    Radical polymerization

    Ionic polymerization

    Characterization of polymer

    Structure and morphology of bulk polymer

  • References

    Main text:

    Introduction to polymers, Third edition

    by Robert J. Young, Peter A. Lovell

    CRC

    Supplementary references:Polymers: Chemistry and physics of modern materials,

    Polymers: Chemistry and physics of modern materials, Third edition

    By J.M.G. Cowie and Valeria Arrighi

    CRC

    Polymer science and technology, 2nd edition

    By Joel Fried

    Prentice Hall

  • Chapter 1: Introduction

    1.1 What is polymer?

    1.2 Historical background

    1.3 Skeletal structures of polymers

    1.4 Nomenclature

    1.5 Monomer functionality

    1.6 Classification of polymer reactions

    1.7 Homopolymers & copolymers

    1.8 Classification of polymers

  • What do they have in common?

    What are their differences?

  • 1.1 What is polymer?

    Basic definitions:

    Polymer

    Substance composed of molecules which have long sequences of one or more species of atoms or groups of atoms linked to each other primarily by covalent bonds.

    Macromolecule

    Macromolecule

    Giant molecules linked together by monomer molecules through chemical reaction (polymerization)

  • Basic stuff:

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    1.1 What is polymer?

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  • 1.1 What is polymer?

    What is polymer?

    Polymer in 1920s versus polymer now

    Polymers/ macromolecules are in our everyday lives

    New substances and recent products from the ingenuity of chemist

    Naturally occurring substances used by human beings

    Parts of our bodies

    Long sequences of one or more species of atoms or groups of atoms (monomer)

    Long sequences of one or more species of atoms or groups of atoms (monomer) linked to each other by covalent bond.

    Molecular masses ranging from thousands to millions

    Polymer derives from Greek terms:

    poly = many

    mer = meros = parts

    Polymerization: The process of linking monomer molecules through chemical reactions

  • Natural polymer:

    Deoxyribonucleic acid (DNA)

    One of three major macromolecules (DNA, RNA and protein) for all forms of life .

    Two long nucleotide polymers (nucleobases + sugar + phosphate backbone)

    These two strands run in opposite directions to each other to form double helix structure

    Nucleobases, e.g. thymine (T), adenine (A), cytosine (C) and guanine (G)- are the most basic unit of living organisms.

    Contains genetic instructions used in development and functioning of organisms.

    1.1 What is polymer?

    Contains genetic instructions used in development and functioning of organisms.

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  • 1.1 What is polymer?Natural polymer:

    Ribonucleic acid (RNA)RNA is made up of a long chain of components called nucleotides. Each

    nucleotide consists of a nucleobase, a ribose sugar, and a phosphate group.

    The sequence of nucleotides allows RNA to encode genetic information. All

    cellular organisms use messenger RNA (mRNA) to carry the genetic

    information that directs the synthesis of proteins.

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  • 1.1 What is polymer?

    Natural polymer:

    Protein

    Facilitating biological functions.

    Basic unit: Polypeptide

    A polypeptide is a single linear polymer chain of amino acids bonded

    together by peptide bonds between the carboxyl and amino groups of adjacent amino acids.

    Typically folded into a globular or fibrous form.

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  • 1.1 What is polymer?

    Natural polymer:

    Polysaccharides Long carbohydrate molecules, of repeated monomer units joined together

    by glycosidic bonds.

    They range in structure from linear to highly branched.

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  • 1.1 What is polymer?

    Natural polymer: Natural Rubber

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