by admin | Jun 4, 2015 | sem1
Bulk polymerization Bulk polymerization or mass polymerization is carried out by adding a soluble initiator to pure monomer in the liquid state. The initiator should dissolve in the monomer. The reaction is initiated by heating or exposing to radiation. As the...
by admin | Jun 4, 2015 | sem1
Copolymerization When two or more different monomers unite together to polymerize, their result is called a copolymer and its process is called copolymerization. Commercially relevant copolymers include acrylonitrile butadiene styrene(ABS), styrene/butadiene...
by admin | Jun 4, 2015 | sem1
Mechanism of Condensation Polymerization You know that monomers that are joined by condensation polymerization have two functional groups. You also know (from Part 6) that a carboxylic acid and an amine can form an amide linkage, jand a carboxylic acid and an alcohol...
by admin | Jun 4, 2015 | sem1
Properties of Nylon 66 Nylon 66 has a repeat unit with a molecular weight of is 226.32 g/mol and crystalline density of 1.24 g/(cm)^3 . Nylon 66 has long molecular chains resulting in more hydrogen bonds, creating chemical springs and making it very resilient. Nylon...
by admin | Jun 4, 2015 | sem1
Nylon 66 Uses Nylon 66 is a type of polyamide or nylon. Nylons come in many types, and the two most common for textile and plastics industries are nylon 6 and nylon 6 6. Nylon 66 is made of two monomers each containing 6 carbon atoms, hexamethylenediamine, and adipic...
by admin | Jun 4, 2015 | sem1
Properties of polymers Polymers are very large molecules that are made up of thousands – even millions – of atoms that are bonded together in a repeating pattern. The structure of a polymer is easily visualized by imagining a chain. The chain has many...
