Chemical industries program

( Polymers and plastics field)

Present

By :Mohammed Shaaban Fouad

Founder and CEO of chemical Engineering academy

Session 4: 1 -Polymers and plastics.

2 -Synthetic and natural polymers. 3 -Classification of polymers. 4 -Synthesis of raw materials.

5 -Processing of plastics. 6 -Recycle of plastics .

Engineering materials

Polymers and plastics Any polymer can be molded

Every plastic is polymer but not every polymer is plastic…

Mechanical need with light weight

Natural polymers

Synthetic polymers for demand …

Classification of polymers

Homo polymer (produced by addition )Hetero polymer (produced by condensation )

Molecular arrangement Morphology

VS.Any transparent is amorphous, but not any opaque is crystalline

Synthetic polymers and applications 1 -polyurethane

(thermoset)

2-polyester(thermoset)

3 -Phenol formaldehyde(thermoset)

4 -PE (thermoplastic)

There is LDPE and HDPE

5 -PP (thermoplastic)

6 -PVC (thermoplastic)

7 -Teflon

Note the four structures of PE, PP , PVC , PTFE

8 -PETE

Raw material synthesis Let’s learn the theory of manufacture…

Plastic processing

Examples of additives on master batch:

filler Softeners Reinforcing agents Flame retardants

Blowing agents Colorants UV degradants

Raw is pellets or powder

1 -Extrusion For thermoplastics with

continuous cross section area

Let’s learn about this…

2 -compression molding

Let’s learn about it …

Molds and products:

3 -Injection molding

4 -Blowing injection

Let’s learn about it …

5 -film manufacture

6 -3d printing Let’s learn about plastic

bags manufacture…

How to choose processing method?

Recycling process

Let’s learn about it…

Thanks for listening…

For more information visit our you-tube channel