Polymer Chemistry
Polymers contain many repeating monomer units and are classified by source, chain structure, molecular forces and method of synthesis.
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Polymer Fundamentals and Classification
Polymers contain many repeating monomer units and are classified by source, chain structure, molecular forces and method of synthesis.
Open article →Addition Polymerisation and Chain Growth
Alkene addition polymerisation follows initiation, propagation and termination through radical, cationic or anionic reactive intermediates.
Open article →Polythene, PTFE and PAN Preparation
LDPE, HDPE, PTFE and PAN illustrate how monomer, initiator, temperature and pressure control addition-polymer preparation and use.
Open article →Condensation Polymers: Nylon and Terylene
Nylon-6,6, nylon-6 and terylene form by step-growth reactions that create amide or ester links while eliminating small molecules.
Open article →Thermosetting Resins and Copolymers
Bakelite, melamine-formaldehyde and urea-formaldehyde become cross-linked resins, while copolymers combine two or more monomer types.
Open article →Rubber, Vulcanisation and Synthetic Elastomers
Natural cis-polyisoprene is strengthened by sulphur cross-links; chloroprene, butadiene, acrylonitrile and styrene yield synthetic rubbers.
Open article →Biodegradable Polymers and PHBV
PHB, PHBV, PGA, PLA and PCL can decompose biologically; PHBV is a polyester copolymer made from two hydroxy-acid monomers.
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