Polypropylene 101 Short Course

OUTLINE FOR POLYPROPYLENE 101 SHORT COURSE

1.Polymer Structure and Morphology

• PP Resin Types

i.Homopolymer

ii.Random copolymer

iii.Impact copolymer

iv.Applications & properties of PP v.PP catalysis and production

vi.How to read a PP data sheet and resin selection

• Solid State Structure

i.Crystalline Hierarchy (unit cell, lamellae, spherulite)

ii.Tacticity

iii.Primary & Secondary

Crystallization

iv.Dispersed rubber phase morphology in impact copolymers

v.Techniques for identifying and quantifying crystal types

vi. Nucleation

2.Melt Phase Properties

i.Rheology and melt flow behavior

ii.Shear & extensional viscosity

iii.Melt strength

iv.Influence of Molecular Weight and (MWD) on Controlled Rheology PP

1.Additives

• Stabilizing Additives

İ.Processing stabilizers (primary & secondary)

ii.Light & radiation resistance iii. Long term thermal stabilization

• Functional Additives

i.Acid scavengers

ii.Antistats & Antifogs

iii.Mold release agents

iv.Antiblocks (for film)

v.Optical brighteners

vi.Crystal nucleants & clarifiers

vii.Chemical & physical blowing agents

viii.Coupling agents

2.Fillers & Reinforcements

a. Talc

b.Calcium Carbonate

C.Fiber Glass

d.Cellulosic reinforcements (wood fiber, wood flour, etc.)

e. Nanocomposites