Table of Contents
Are all polymer chains the same size?
In both cases kinetic chain length is an average quantity, as not all polymer chains in a given reaction are identical in length. The value of ν depends on the nature and concentration of both the monomer and initiator involved.
What dimensional structure represents a polymer?
three dimensional
The polymer chain is often shown in two dimensions, but it should be noted that they have a three dimensional structure. Each bond is at 109° to the next and, therefore, the carbon backbone extends through space like a twisted chain of TinkerToys.
What are the different chain structures of polymers?
The four basic polymer structures are linear, branched, crosslinked, and networked.
What is a polymeric chain?
Polymeric chain molecules contain atomic groups, covalently bonded in the chain direction. In most polymers the covalent bonds have approximately the same strength as the C–C bond in diamond, which is the strongest material in nature.
How are polymer chains arranged?
Properties of polymers Different polymers have different properties , depending on the monomers they are made from and the conditions under which these monomers were joined together. Low density poly(ethene) has a structure where the polymer chains are branched and this means that the molecules are arranged randomly.
How do you find the chain length of a polymer?
To get the chain contour length, divide MW of the polymer by the MW of the monomer unit and multiply by the length of the monomer unit.
What are polymeric molecules?
Polymer molecules, or macromolecules, are composed of large numbers of linked, small repeat units. The units from which polymers are synthesized are called monomers. Polymers may be made from one kind of monomer, giving homopolymers, or from several kinds of monomers, giving copolymers.
The monomers that a polymer is made up of decide its structure and therefore it’s function. These monomers are linked and coiled in a very specific manor giving the polymer a specific tertiary structure (an extensively coiled and linked polymer chain caused as a result of the formation of more bonds forming).
How do you measure the length of a polymer chain?
What is polymeric material?
Polymers are materials made of long, repeating chains of molecules. The materials have unique properties, depending on the type of molecules being bonded and how they are bonded. Some polymers bend and stretch, like rubber and polyester. The term polymer is often used to describe plastics, which are synthetic polymers.