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Polyvinyls - Polymer Materials - Lecture Slides, Slides of Engineering Chemistry

Birla Institute of Technology and ScienceEngineering Chemistry

Main points are: Polyvinyls, Tensile Strength, Tensile Modulus, Physical Properties of Pvc, Solvent Resistance, Polypropylene Chemical Structure, Polydispersity Represents, Sydiotactic Form, Five Polyolefins, Glass Fibers

Typology: Slides

2012/2013

Uploaded on 04/17/2013

pankita
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1
Homework Questions #2
1. Define Polyvinyls, PS, PP, HDPE, chemical structure.
2. Compare the density PVC, PVB, PS, and PVDC which is higher/lower than PP.
3. Compare the density of HDPE, LDPE, UHMWPE, LLDPE to PP?
4. What is the tensile strength of PP with 0%, 30% glass fibers? What is the tensile modulus?
5. Plot tensile strength and tensile modulus of PVC, PS, PP, LDPE and HPDE to look like:
Tensile
Strength,
Kpsi
Tensile Modulus, Kpsi
200 500
10
50
xLDPE
xHDPE
Docsity.com
pf3
pf4
pf5
pf8
pf9
pfa

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Download Polyvinyls - Polymer Materials - Lecture Slides and more Slides Engineering Chemistry in PDF only on Docsity!

1

Homework Questions

  1. Define Polyvinyls, PS, PP, HDPE, chemical structure.
  2. Compare the density PVC, PVB, PS, and PVDC which is higher/lower than PP.
  3. Compare the density of HDPE, LDPE, UHMWPE, LLDPE to PP?
  4. What is the tensile strength of PP with 0%, 30% glass fibers? What is the tensile modulus?
  5. Plot tensile strength and tensile modulus of PVC, PS, PP, LDPE and HPDE to look like: Tensile Strength, Kpsi Tensile Modulus, Kpsi

xLDPE xHDPE

2

Homework Questions

  1. Four typical Physical Properties of PVC are Optical = _______, Resistance to moisture= ______ , UV resistance= _____, solvent resistance=_______
  2. The Advantages of PP are ________, ________, _______, and __________.
  3. The Disadvantages of PP are ________, ________, _______, and __________.
  4. Glass fiber affects PP by (strength) ________, (modulus)________, (impact)_______, (density) __________, and (cost) ____________.
  5. Two Blends PVC are ___________, and __________.

4

Homework Questions

  1. Four typical Physical Properties of PP are Optical = _______, Resistance to moisture= ______ , UV resisance= _____, solvent resistance=_______
  2. The Advantages of PP are ________, ________, _______, and __________.
  3. The Disadvantages of PP are ________, ________, _______, and __________.
  4. Glass fiber affects PP by (strength) ________, (modulus)________, (impact)_______, (density) __________, and (cost) ____________.
  5. Five polyolefins are ________, ________, _______, ______, and __________.

5

Homework Questions

1. Define PEEK, PPO and PPS chemical structures.

2. How are the properties of PEEK and PPS alike?

3. Density of PEEK is _____, PPS is _____ , and PPO is

_____ , which is higher/lower than PBT and nylon?

4. What is the tensile strength of PEEK with 0%, 30% glass fibers?

What is the tensile modulus?

5. Plot tensile strength and tensile modulus of PEEK, PPO,

PPS, PET, PBT, Nylon 6, PP, LDPE and HPDE to look like

the following

Tensile Modulus, Kpsi Tensile Strength, Kpsi

xLDPE xHDPE

7

Homework Questions

1. Define PBT and PET chemical structure.

2. Why was Carothers not successful in developing

polyesters?

3. Density of PET is _____ which is higher/lower than PBT

and nylon?.

4. What is the tensile strength of PET with 0%, 30% glass fibers?

What is the tensile modulus?

5. Plot tensile strength and tensile modulus of PET, PBT,

Nylon 6, PP, LDPE and HPDE to look like the following

Tensile Modulus, Kpsi Tensile Strength, Kpsi

xLDPE xHDPE

8

Homework Questions

  1. Four typical Physical Properties of Polyester are Optical = _______, Resistance to moisture= ______ , UV resistance= _____, acid resistance=_______
  2. The Advantages of Polyester are ________, ________, _______, and __________.
  3. The Disadvantages of Polyester are ________, ________, _______, and __________.
  4. Glass fiber affects Polyester by (strength) ________, (modulus)________, (elongation)_______, (density) __________, and (cost) ____________.
  5. What affect does the copolymer have on the crystallinity of polyesters and why?_________________________________ _________________________________________________.

10

Homework Questions

  1. Four typical Physical Properties of PA are Optical = _______, Resistance to moisture= ______ , UV resisance= _____, solvent resistance=_______
  2. The Advantages of PA are ________, ________, _______, and __________.
  3. The Disadvantages of PP are ________, ________, _______, and __________.
  4. Glass fiber affects PA by (strength) ________, (modulus)________, (impact)_______, (density) __________, and (cost) ____________.
  5. Two Aromatic PA are ___________, and __________.