~ Uses of Bakelite It was used for its non-conductive and heat-resistant properties in electrical insulators, and also in radios and telephones. Bakelite can be molded, and in this regard was better than celluloid and also less expensive to make. B the ease with which the resin could fill the mould These colors vary, like with the solid color pieces shown above, but are most often found in yellow, green, and red. There are several variables in the method of polymerization, depending on the properties desired. Bakelite resin is a phenol formaldehyde resin formed by condensation reaction of phenol or substituted phenol with formaldehyde. Bakelite is a condensation polymer that requires two monomers - phenol and formaldehyde. A the function which the object would serve. Key Difference – Bakelite vs Plastic Plastic and Bakelite are both organic polymers, having a very large molecular weight though there exists a difference between the two based on their properties and usage. Bakelite jewelry became immensely popular in the 1920s as an affordable and attractive replacement for other materials. Bakelite is the first synthetic plastic and is known as a “material of thousand uses” due to its versatile applications. Clever collectors have named yellow transparent Bakelite "apple juice." It came in several colors, including translucent and marbled shades by the 1950s. Moulding powders based on melamine–phenol–formaldehyde resins were introduced by Bakelite Ltd, in the early 1960s. There are two type of materials used along with synthetic resin (bonding agent) to enhance the properties of Bakelite sheets (Phenolic Laminates) i.e. ~ Properties of Bakelite Bakelite is a non-conductive and heat resistant material makes it ideal for electrical insulators. Properties and Uses of Bakelite. Some of the principal physical properties of mouldings from these materials are given in Table 24.1. Which TWO of the following factors influencing the design of Bakelite objects are mentioned in the text? 2 See answers 17122006 17122006 Uses of Bakelite 1)It was used for its non-conductive and heat-resistant properties in electrical insulators, and also in radios and telephones. The great majority of Bakelite jewelry was made by hand from stock shapes of raw material. Bakelite was very rarely molded into individual pieces of finished jewelry. Sometimes you will find a piece of red transparent Bakelite nicknamed "cherry juice" as well. NB Your answers may be given in either order. The material is often called Bakelite. Moreover, it could be molded very quickly, an enormous advantage in mass production processes where many identical units were produced one after the other. PHENOLIC BAKELITE PAPER SHEET HP2061 ... HP 2061 has excellent strength, weatherability and elec-trical resistance properties. Classification of Bakelite Sheets is based on the type of material used along with bonding agent to improve the properties of Bakelite laminated Sheets. Write any two uses of Bakelite. The principal characteristic of these materials is the wide range of colours possible, including many intense bright colours. 2)It was also used in other diverse products such as jewellery, kitchenware, and toys. Phenolic resins (Phenoplasts) are synthetic thermosetting resins invented by Dr. Leo Baekeland in 1907. Bakelite's unique properties lent itself to extrusion casting. If you wanted to make bracelets, for example, you'd extrude a long tube with the rough shape (Fig. Properties and Synthesis. Bakelite made perhaps its largest stamp on the world of fashion. Choose TWO letters A-E. Write your answers in boxes 9-10 on your answer sheet. Typical applications include insulation of electrical and mechanical parts and structu-ral components. 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