Tezislər / Theses

 
 
 
 
 
SYNTHESIS AND ANALYSIS OF NEW SHAPE MEMORY 
POLYMER BASED ON STARCH AND VANILLIN 
Javid Isayev, Farid Gahramanov, Leyla Osmanova 
Baku Higher Oil School 
Baku, Azerbaijan 
[e-mail], [e-mail], 
[e-mail]
Supervisor: Assoc. Prof. Amir Reza Vakhshouri 
Keywords:
polymer, shape memory polymer, starch, TVP, adhesive 
The polymer which is heard a lot about is crucial and it is impossible to 
imagine the life without it. It is composed of many small molecules called 
monomers that attach to each other to create long polymer chains. Since many 
years, polymers were used, but people did not realize it almost until World War 

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THE 3
rd
 INTERNATIONAL SCIENTIFIC CONFERENCES OF STUDENTS AND YOUNG RESEARCHERS 
dedicated to the 99
th
anniversary of the National Leader of Azerbaijan Heydar Aliyev
391
II. New materials were presented to the industry due to the sudden growth in 
demand for manufactured products. Aforementioned new materials are 
polymers and their influence can be observed in contemporary life. They are all 
around us: clothes made from synthetic fibers, polyethylene cups, fiberglass, 
nylon bearings, plastic bags, polymer-based paints, epoxy glue, silicone heart 
valves, and Teflon-coated cookware. The list is almost infinite. Polymers can be 
obtained naturally (e.g., cellulose, starch, and natural rubber), whereas the 
synthetic polymers are manufactured. Both types of polymers are associated 
with comfort and simplification of human life and are accountable for life itself. 
By considering all these, it is not surprising that half of engineers from different 
fields, scientists, textile technologies, pharmacists and other scientific groups 
take part in research and development projects associated with polymers. It is 
worth to mention that polymer chemistry is likely to intersect and cut the 
conventional lines of all branches of chemistry, biology, physics, material, 
engineering, pharmacy, and also, medicine. [H.Namazi, 2017]
Shape memory polymers (SMP) are defined as the materials which are 
able to return from a temporary shape to its original form by applying various 
environmental stimuli such as heat, light, sound, and etc. when it is required. 
SMPs belong to the group of “actively moving” polymers, since they actively 
transform from one form to another one. [M. Behl, A. Lendlein, 2007] Most of 
the polymers do not show shape memory effect by themselves and this effect 
is the result of polymer morphology and specific processing combination. 
During conventional processing, polymer is shaped into its initial, permanent 
form, whereas, in the programming process, deformation of polymer sample 
and fixing of impermanent shape occur. By applying stimulus, polymer 
sample can return to its original shape and there is possibility to repeat the 
cycle of these processes with various versions of temporary forms. SMPs 
are elastic polymer networks that are equipped with proper stimuli-sensitive 
switches and also, net points. The net points help to identify original shape 
of polymer network and can have chemical or physical nature. In order to 
show shape memory functionality, deformation of polymer network has to be 
temporarily fixed under environmental conditions based on specific 
application. The procedure requires deformed chain segments which are 
under external stress to be reversibly prevented from recoiling and this is 
achieved by reversible net points which is introduced by physical interactions 
or covalent bonds. [M. Behl, A. Lendlein, 2007] SMPs as a shape memory 
material with many advantageous properties, such as high programmable 
strain, light weight, low cost, and biocompatibility were broadly utilized to 
manufacture actuators, micro-devices, biomedical equipment, deployable 
and origami structures [M. Lei, Z.Chen, H.Lu and K.Yu, 2019]. 
The present research is devoted to the synthesis and analysis of new 
shape memory polymer based on starch and vanillin. All green plants 
generate starch, which is a commercially accessible organic substance. 

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