LQ2 Polymer Industry Flashcards
are long-chain organic molecules or “macromolecules” assembled from
simpler molecules called monomers.
Polymers
composed of repeating monomer units, sometimes with branching or
crosslinking between the chains through polymerization
Polymers
Can be found in nature and have been around since the beginning of time
Example: Starch, Silk, Cellulose
Natural polymers
Synthesized inside the laboratory through a series of chemical reactions
Example: Polypropylene, nylon, and polyvinyl chloride
Synthetic Polymers
a world leader in the manufacturing of various industrial products.
Polymer Industry
Its rapid growth is caused by the necessity to replace classical materials.
Polymer Industry
- Typically, an initiator is used to initiate the polymerization
process. A radical, cation, anion, or organometallic complex are all possible
candidates for the reactive starting molecule.
Chain Initiation
Each new monomer unit contributes to the chain, creating
an active site for the subsequent attachment.
Chain propagation
The two free electrons form a covalent bond and the free
radical on each molecule no longer exists and the initiator is “neutralized,”
stopping the chain propagation.
Chain Termination
material undergoes plastic deformation by the application of an external pressure.
Extrusion
Refers to the process of shaping a malleable material or liquid using a rigid matrix
or mold.
Molding
The producer inflates a parison using air in order to blow mold a part. The
parison expands until it completely fills the mold and takes on the shape of
it.
Blow molding
Melted plastic is injected into a steel mold throughout the procedure.
Injection molding
thought to be the most versatile since it can be
used to make a wide range of items in terms of size and shape.
Injection molding
One of the most widely used thermoplastic polymers globally is polyvinyl chloride
(PVC).
PVC production
The petrochemical sector supplies ethylene, a natural gas derivative. It is
obtained using a procedure known as
thermal cracking
is one of the most widely used textiles in the world.
Polyster
One method for producing polyethylene is known as “free radical polymerization”
Linear Polyethylene Production
found in plants to store energy
starch
made up of monomers called nucleotides
DNA
found in hair and nails and is made up of amino acids
Proteins
obtained from latex, a milky liquid present in
either the latex ducts or in the cells of rubber-producing plants
Natural rubber and lacquer
Started operations in 1959
Supplies polyester resin in the manufacture of fiberglass reinforced plastic
(FRP) products
Offers the most complete line of materials and equipment in the use of polyester
resin and serves a range of industries such as FRP, handicrafts, lamination,
marble and stonecraft.
Polymer Products
Established on November 1994 and started its operation on October 1995
Manufactures molded rubber parts including assembly with other parts such as
plastic connectors and metal
Products are used not only in the automotive industry but also in Electric
Appliances, Medical Instruments, Cameras & Microscope Parts, Compressor
Seal Parts and Electronic Microswitch Pads
Miyasaka Polymer
Established in March 2006
Provides the plastic industry with custom-designed and formulated dry
colourants, color masterbatches and additives and engineered polymers for a
wide range of applications
Manufactures plastic raw materials
D&L Polymer & Colours Inc
Increase in production over time
