Polymers are the large molecule. To make the polymers, many small molecules, monomers, have to be combined with each others. The natural polymers made from many types of amino acid monomer units. For instance, if I mixed with polyvinyl alcohol (PVA) and borax, they become a slime because by mixing them together, they create the cross-links between polymer chains. There are four types of polymers. They are thermoplastics, thermosets, elastomers, and synthetic fibers. Ex) Synthetic polymers are the polymers that human made. For instance, which is people include the materials together and mixed, and made the synthetic polymers. The examples of synthetic polymers are nylon, polyethylene, polyester, etc. There are four types of polymers. About the polymers, the synthetic materials come from the raw materials. (Such as petroleum based chemicals or petrochemicals.
There are two types of materials for the polymers. There are the natural resources, and the synthetic materials. They have different things with each other. The natural resources found in the nature but the synthetic materials are formed in the lab. (By human) Also, in the natural resources, there are wood and sand, and about the synthetic materials, there are nylon, polyethylene, polyester, etc. Those two types of materials have relationship with each other. Synthetic products are made from the natural resources. This means that if we don’t have the natural resources, we can’t make the synthetic products.
(polymer) (https://www.google.com/search?biw=1348&bih=641&tbm=isch&sa=1&ei=aPXbXMW_KeuumAW9n7y4DA&q=polymers+materials&oq=polymers+materials&gs_l=img.3..0j0i8i30j0i24l3.9698.12788..12949…0.0..0.321.2146.0j11j2j1……0….1..gws-wiz-img…….0i67j0i5i30.PvRHrqT_NKs#imgrc=SICYZXrEIJ-LvM:) The URL for the polymers pictures.
http://en.wikipedia.org/wiki/List_of_synthetic_polymers (The sources that I found about the polymers.)