{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Week13_Tu_Chapter12 - m n × how large is n in(C 2 H 4 n...

Info icon This preview shows pages 1–13. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 12.1 - Polymers Issues to address… How are polymer synthesized? How are polymers classified? What advantages do polymers offer us? 375x
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
What is a polymer? Poly mer (monomer) Polyethylene (PE) Polyvinyl chloride (PVC) repeat unit C C C C C C H H H H H H H H H H H H repeat unit Cl Cl Cl C C C C C C H H H H H H H H H
Image of page 2
Polymerization Chain growth (addition polymerization) Unsaturated bonds Step growth (condensation polymerization) Reactive function groups
Image of page 3

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Chain Growth (Addition Polymerization)
Image of page 4
Copolymer an Intimate Solution of Different Types of Monomers
Image of page 5

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Blend Polymer
Image of page 6
Step Growth (Condensation Polymerization)
Image of page 7

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Bifunctional Monomer (Linear Molecular Structure) C C H H H H
Image of page 8
Polyfunctional Monomer (Network Molecular Structure)
Image of page 9

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Degree of Polymerization
Image of page 10
Image of page 11

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 12
Image of page 13
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: m n ×- how large is n in (C 2 H 4 ) n Molecular weight m is the molecular weight of the mer • Become soft and deformable upon heating Ex: polyethylene. • Secondary bonding (van der Waals bonding) • T g • Recyclable Thermoplastic Polymers Figure 6.40 Thermosetting Polymers • Become hard and rigid upon heating Epoxy • Do not have a sharply defined glass-transition temperature • Strength and hardness are not affected by temperature • If T is sufficiently high, thermosetting polymer begins to burn up, degrade. • Non-recyclable Metals vs Polymers – Corrosion Resistant...
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern