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IMPL 3

QuestionAnswer
Polymers Large molecules composed of repeating units called monomers; lightweight, versatile, and corrosion-resistant.
Thermoplastics Plastics that soften when heated and harden when cooled; can be remelted and remolded (reversible process).
Thermosets (Thermosetting Polymers) Polymers formed by an irreversible chemical curing reaction; rigid and strong but brittle, and cannot be remelted or reshaped once set.
Elastomers A class of polymers with very high elasticity, able to stretch several times their length and return to their original shape.
Polyethylene (PE) Thermoplastic used in packaging, plastic bags, and films due to flexibility and toughness.
Polyvinyl Chloride (PVC) Thermoplastic common in pipes, window frames, and wire insulation due to durability and chemical resistance.
Acrylic (PMMA) Thermoplastic used for windows, lenses, aquariums, and signboards due to clarity and weather resistance.
Polypropylene (PP) Thermoplastic found in automotive parts, reusable containers, medical syringes, and textiles due to light weight and fatigue resistance.
Epoxy Resins Thermosetting polymer used in adhesives, coatings, and composite materials (aircraft, boats).
Phenolic Resins (Bakelite) Thermosetting polymer used in electrical switches, cookware handles, and insulating parts.
Melamine Thermosetting polymer used in kitchenware, laminates, countertops, and fire-resistant materials.
Urea-Formaldehyde Thermosetting polymer used as adhesives for plywood, particle boards, and electrical fittings.
Natural Rubber Elastomer used in tires, seals, and footwear.
Silicone Elastomer used in gaskets, medical implants, and kitchenware.
Neoprene Elastomer used in wetsuits, hoses, and vibration isolators.
Composites Materials made by combining two or more distinct materials to achieve improved mechanical and thermal properties.
Matrix The component of a composite that binds and protects the reinforcement.
Reinforcement The component of a composite that provides strength and stiffness.
Fiber Reinforced Plastics (FRP) Composites reinforced with glass fiber or carbon fiber; lightweight and strong, used in aerospace, automotive, and sports equipment.
Metal Matrix Composites (MMC) Metals (e.g., aluminum) reinforced with ceramics; high strength and wear resistance, used in aircraft and automotive components.
Ceramic Matrix Composites (CMC) Ceramics reinforced with ceramic fibers; excellent high-temperature resistance, used in turbines, space vehicles, and furnace parts.
Created by: romulols
 

 



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