Is polyethylene a step-growth polymer?
Now let us look at an example for Step-Growth Polymerization for better understanding. Let us consider the process of making Polyester called polyethylene terephthalate. The dimer in this instance during step-growth polymer can undergo different changes. It can react with one of the monomers to form a trimer.
What is step-growth polymerisation explain with an example?
Step-Growth Polymerization is a type of polymerization which sees bi-functional & multifunctional monomers reacting to form dimers, then trimers, then oligomers and finally long chain polymers. Example: Polyethylene Terephthalate.
Is polyurethane step-growth or chain growth?
The reaction of polyol and isocyanate monomers to form polyurethanes is commonly presented in reaction chemistry that implies a step-growth mechanism for the polymerization.
What is meant by step growth polymerization?
Step-growth polymerization refers to a type of polymerization mechanism in which bi-functional or multifunctional monomers react to form first dimers, then trimers, longer oligomers and eventually long chain polymers.
What are the main steps in polymerization?
The polymerization reaction consists of three stages: (1) initiation, (2) propagation, and (3) termination.
What are the steps of polymerization?
What is step growth polymerisation explain the steps involved in this process?
A step growth polymerization refers to a type of polymerization mechanism in which bi-functional or multifunctional monomers form first dimes, then trimers, oligomers and eventually long chain polymers.
What is meant by step-growth polymerization?
How are step growth polymers formed?
A step-growth polymerization is a stepwise reaction between bi-functional or mult-ifunctional monomers in which high-molecular-weight polymers are formed after a large number of steps. If some of the monomers have more than two reactive sites, branched or cross-linked polymers (thermosets) are formed.