D. Acrylic, Silk, Wool. Bakelite, PVC, polyethylene. The two most common types of polyethylene compounds are high density polyethylene (HDPE) and low density polyethylene (LDPE). When linear chains of a polymer form branches, then, such polymers are categorized as branched chain polymers. Classification: Classification Based on Source: [1] Natural Polymers: These polymers are found in plants and animals. Terylene or Polyethylene terephthalate or polyester is … Plasticized PVC (or flexible PVC) finds applications in automotive interior trim, cables, PVC … Examples include: Unplasticized PVC (or rigid PVC) is used in applications such as pipes, siding, and window profiles. In addition polymerisation, the molecules of the same monomer add together on a large scale to form a polymer. For example, Low-density polythene. Polyethylene plastic is an inexpensive plastic material that is chemically resistant and can be very durable. Polyethylene (PE) Key applications Typical Properties Suppliers Brands : Polyethylene is a lightweight, durable thermoplastic with variable crystalline structure. Answer. It is one of the most widely produced plastics in the world (tens of millions of tons are produced worldwide each year). Cross-linked Polymers PVC, Polythene, Bakelite. Otherwise the two are essentially the same. Good examples are acrylic, polypropylene, polystyrene, polythene and PVC. Both PVC and CPVC materials are approximately 35% - 40% heavier and more rigid than polyolefins. Nylon was the first commercially successful synthetic thermoplastic polymer. But, there are more types like CPVC, PVC-O and PVC-M. Plasticized or Flexible PVC (Density: 1.1-1.35 g/cm 3): Flexible PVC is formed by the addition of compatible plasticizers to PVC which lower the crystallinity. Polyvinyl Chloride (PVC, and CPVC) – Polyvinyl chloride is the oldest of the corrosion resistant plastics. Good examples are melamine (kitchen worktops), Bakelite (black saucepan handles), polyester and … Thermosets which are formed by ha heat process but are then set (like concrete) and cannot change shape by reheating. Branched-chain Polymers. gojetanishq gojetanishq Answer: Thermoplastics. Polyvinyl chloride (PVC) Transparent: The color is yellowish translucent and shiny. A plastic bag made with polyethylene. By adding a chlorine molecule, CPVC achieves a higher temperature resistance than PVC. Polyvinyl Chloride is widely available in two broad categories: Flexible and Rigid. Polythene and PVC are examples of:- a. Biodegradable substances b. Thermosetting plastics c. Thermoplastics d. Rayon 2 See answers roja17 roja17 Answer: thermoplastic because their shapes can be changed by melting in the factory. Household items made from polymers include : High Density Polyethylene, HDPE : bottle caps, folding tables and chairs, food storage containers, plastic bags, water pipes for domestic water supply. Polyethylene plastic comes in a low density form and a high density form. Polymer means many monomers. The low density form was discovered first, followed a few years later by the high density form. Answer. Both compounds have … In turn, PVC is used in a wide range of products. It is divided into soft and hard polyvinyl chloride according to the amount of additives. Match the column with types of polymer in list I with their examples in list II. PVC, i.e. poly-vinyl chloride is largely used for making pipes and electric cables is an example of a linear polymer. Features: Transparency is better than polyethylene, polyphenylene, and worse than polystyrene. Cpvc ) – polyvinyl chloride according to the amount of additives nylon was the first commercially successful synthetic polymer. 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