The difference between polymer and polymer
The polymer is a kind of polymer, generally refers to the high degree of polymerization, containing some branched polymer. General polymer also includes many low degree of polymerization of the material, such as: formaldehyde at room temperature and pressure will automatically polymerize into paraformaldehyde, polymerization degree of 8 to 100 monomer or so. Polymers generally have millions of monomeric units.
Polymer material refers to a compound of high molecular weight (usually up to 10 to 106) compounds that are repeatedly linked by covalent bonds from many identical, simple structural units. For example, polyvinyl chloride molecules are made from many vinyl chloride structural units "-CH2CHCl-", so "-CH2CHCl" - also known as structural units or links. Compounds composed of small molecules capable of forming structural units are called monomers and are raw materials for the synthesis of polymers.
Although the molecular weight of polymer compounds is large, but the composition is not complicated, their molecules are often by a specific structural unit through the covalent bond repeated repeated connections.
The molecular weight of the polymer compound (also known as the polymer) is much larger than that of the low molecular weight organic compound. The relative molecular mass of the organic compound is not more than 1000, and the relative molecular mass of the polymer compound can be as high as 104 to 106,000. Because the molecular weight of polymer compounds is very large, so in physical, chemical and mechanical properties and low molecular weight compounds are very different.
