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THE
SOUTH AFRICAN PAINT INDUSTRY TRAINING INSTITUTE
SAPMA PAINT
TECHNOLOGY COURSE
MODULE 7 - CONVERTIBLE MEDIA
This Module is a continuation of Module 03. It deals
in more detail with the relevant chemistry, and concentrates on
the structure, nature, characteristic properties and applications
of Epoxy resins Amino resins Acrylic polymers Urethane polymers.
It also deals with the subject of water reducible systems.
The learning material comprises written text, divided
into 17 lessons.
There are no practical exercises in this Module. In
their place, the student has to submit five assignments which are
intended to test the students knowledge of the characteristics of
the various binder types, and the ability to use this knowledge
in selecting systems for specific applications.
WHO SHOULD STUDY THIS MODULE
?
This Module is essential for those who are following
a technical career path, and in particular those in a laboratory
environment.
PREREQUISITES FOR THE MODULE
Successful completion of Module 03. This is essential,
as the Module relies heavily on subject matter previously given
in Module 03.
SUMMARY OF SYLLABUS
A. CURING REACTIONS
Alkyd
Polyester
Phenolic
Amino
Epoxy
Thermosetting acrylic
Polyisocyanate
B. EPOXY RESINS
Chemical structure
Hazards
Reactions with fatty acids, phenolics, amino, amine, polyamide
Characteristics and applications
C. AMINO RESINS
Chemical structure
Hazards
Reactions with alkyds or polyesters
Characteristics and applications
D. ACRYLIC RESINS
Monomer types, properties, preparation and hazards
Reactions with amino, epoxy alkyd, isocyanates
Characteristics and applications
E.URETHANES
Chemical structure, preparation of prepolymers
The reactive groups and their reactions.
Hazards
Reactions of monomers and prepolymers
Characteristics and applications
F. WATER REDUCIBLE POLYMERS
Chemistry and techniques
ASSESSMENTS
6 Multiple choice tests Characteristics and applications
5 Assignments
2 hour written exam at end of module
PASS MARK
A minimum of 50% in each of the three modes of assessment
is required for a pass.
A merit pass is awarded for an overall mark of 80% or above, and
a distinction is awarded for an overall mark of 90% and above.
DURATION AND TIME INVOLVED
The Module takes 18 weeks to complete. The average
student would spend the following time on the various aspects :-
Theoretical study - 45 hours
Assignments - 15 hours
This averages out to just over 3 hours per week
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