A good example of the action of plasticizers is related to polyvinylchlorides or PVCs. An uPVC, or unplasticized polyvinylchloride, is used for things such as pipes. A pipe has no plasticizers in it. Plasticized PVC is used in clothing for a flexible quality.ด์
2.2 Polymer in living life
2.2.1 Plastic A plastic material is any of a wide range of synthetic or semi-synthetic organicsolids. Plastic is used unsteand of natural material. Some plastic is solid at cooling temperature and, or is a liquid bt heating. There are many types pf plastic such as niron, synthetic rubber that used many matrials as colth,film,vessel, boat or automobile components. สอินทรีย์ไนลอนมาฟิล์มชนะเรือนต์
Properties pf plastic
High stability in natural, hardly decompose, least amount of mole and light. Resistance to heat and electricalticity.
Mostly of plastic is elasticity, to be melted when heating that is can change a figure.
Categories of plastic
Plastis is classified in 2 typre that are thermoplastic and thermosetting plastic Thermoplastic or