Melamine is one of the thermosetting plastics that can be made in unlimited colours. Melamine-Formaldehyde Resins Properties. In this compound the phosphate is an acid source while melamine acts as a blowing agent. This bank belongs to which country. (1993). Articles fabricated from melamines are rigid and have one of the hardest surface finishes of any plastic material. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Springer Netherlands. Most thermoplastics have a high molecular weight.The polymer chains associate by intermolecular forces, which weaken rapidly with increased temperature, yielding a viscous liquid. Types . Scheme 9 shows a few examples of compounds with various applications in our daily life, having in common the same building block, the aromatic s-triazine. Regulatory jurisdictional fight between SEBI and IRDA, C. They offer lesser returns compared to traditional insurance policies. For example, 25% MPP provides UL ... For example, mixed salts of melamine–melam–melem and polyphosphate or pyrosulfate have been synthesized at condensation temperatures >300 °C [6]. Examples of thermoplastic and thermosetting plastic in house each 7 2 See answers dasrudranarayan12 dasrudranarayan12 Polyethylene, polypropylene, polyvinyl chloride, polystyrene, polybenzimidazole, acrylic, nylon are examples of thermoplastics. Examples of thermoset plastic products include glass-reinforced-polyester boat hulls and circuit-breaker components, epoxy printed-circuit boards, and melamine dinnerware. improves compressive streng th and flexural strength of. Sample applications. Disadvantages. Your IP: 87.76.31.126 Thermoplastic substances can be melted and formed into shapes that become hard, and can then be…. Polyethylene, polypropylene, polyvinyl chloride, polystyrene, polybenzimidazole, acrylic, nylon and Teflon are examples of thermoplastics. • Plastics: Plastics are also called as Polymers. Thermoplastic is a type of a polymer which can be easily melted by providing heat in order to recycle the material. They include: Vulcanized rubber ; Fiberglass (a fiber-reinforced polymer composite) Polyester resin; Polyurethane; Melamine; Bakelite; Silicone resin; Epoxy resin; Sources . Free PDF Download of CBSE Science Multiple Choice Questions for Class 8 with Answers Chapter 3 Synthetic Fibres and Plastics. Thermoplastics are strong yet capable of being remolded without affecting the materials’ physical properties, which means the applications for thermoplastic are endless. Curing is induced by heat or suitable radiation and may be promoted by high pressure, or mixing with a catalyst.Heat is not necessarily to be applied externally. Such … Science MCQs for Class 8 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. An example like melamine polyphosphate (MPP) was reported as an environmentally friendly flame retardant characterized by high thermal stability. Bakelite and melamine are examples of thermosetting plastic. thermoplastic definition: 1. examples of thermoplastics and thermosetting plastics. Polypropylene. Downloads; Contact; Durable in-mould-labels for a wide range of plastics . None of the above 6. Students can solve NCERT Class 8 Science Synthetic Fibres and Plastics MCQs Pdf with Answers to know […] Another way to prevent getting this page in the future is to use Privacy Pass. Melamine is resistant to fire and is hence used for making utensils. but before that let we know what is a Plastic? Sometimes experience creep when burned or charred and b a very poor conductor of heat and electricity: Workhorse! 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