MN 220 - Basic Plastics Processing

1. Demonstrate an understanding of where plastics come from and advantages and disadvantages to plastics.
2. Demonstrate an understanding of several different types of molding process, including Injection Molding, Blow Molding, Extrusion Molding and Thermoforming.
3. Compare and contrast the differences of different types of plastics and the relationships to each other.
4. Identify the differences between a Thermoplastic and Thermoset.
5. Demonstrate knowledge of Crystalline and Amorphous plastics including the characteristics of these materials and how they relate to different types of plastics.
6. Complete work accurately, with attention to detail. 
7. Work well in teams and with others. 

A.  History and Future of Plastics

B.  Making of Plastics

C.  Thermoplastic properties and uses

D.  Thermosetting properties and uses

II.  Thermosetting processes

A.    Compression molding and equipment
B.    Transfer molding and equipment
C.    Injection molding thermosets
D.    Reinforcing processes

1.    hand lay-up
2.    spray-up
3.    match metal compression molding
4.    premix and sheet molding

III    Thermoplastic Processes

A.    Injection molding

1.    machine components
2.    types of machines
3.    two color molding

B.    Extrusion
C.    Blow molding

1.    types of materials processed
2.    types of machines

D.    Injection of blow molding
E.    Laminating

1.    thermoplastics
2.    thermosets

G.    Rotational molding

1.    material and equipment used

H.    Casting
I.    Dip casting
J.    Slush casting
K.    Thermoforming

1.    vacuum forming
2.    cavity/drape forming

3.    vacum snap-back forming
4.    plug and ring forming
5.    pressure forming
6.    blow forming
7.    stretch forming

L.    Forming processes

1.    expandable polystyrene
2.    urethane foaming
3.    injection foam molding

Demonstrations: 30-40%

Lecture: 5-10%

Laboratory Experiments: 40-50%