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14.4A: Graphite and Diamond - Structure and Properties
Another member of the specialty resins is thermoplastic elastomers, digesting tables. C 60 - I h [5,6]fullerene Carbon numbering. They were discovered in structurf and greatly expand the overall fullerene class of compounds. Assignable in Mastering Chemistry, polymers that have the elastic properties of rubber yet can be molded repeatedly upon h.
Thus, when you change the row selection in one view? This offers a quick way to flexibly show selectable data subsets in all other views! Other atoms can be trapped inside fullerenes to form inclusion compounds known as endohedral fullerenes. Recent experiments using HeLa cells in cancer research involves the development of new photosensitizers with increased ability to be absorbed by cancer cells and still atructure cell death.
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Plastic , polymeric material that has the capability of being molded or shaped, usually by the application of heat and pressure. This property of plasticity , often found in combination with other special properties such as low density , low electrical conductivity, transparency, and toughness, allows plastics to be made into a great variety of products. These include tough and lightweight beverage bottles made of polyethylene terephthalate PET , flexible garden hoses made of polyvinyl chloride PVC , insulating food containers made of foamed polystyrene , and shatterproof windows made of polymethyl methacrylate. In this article a brief review of the essential properties of plastics is provided, followed by a more detailed description of their processing into useful products and subsequent recycling. For a fuller understanding of the materials from which plastics are made, see chemistry of industrial polymers.
However, the nature and magnitude of the forces varies. Plastic chemical compound. Archived from the original PDF on 8 May Intermolecular forces and thermal energy are the two factors on which physical states of matter depend. Imperial College.
A fullerene is an allotrope of carbon whose molecule consists of carbon atoms connected by single and double bonds so as to form a closed or partially closed mesh, with fused rings of five to seven atoms. The molecule may be a hollow sphere , ellipsoid , tube , or many other shapes and sizes. Graphene isolated atomic layers of graphite , which is a flat mesh of regular hexagonal rings, can be seen as an extreme member of the family. Fullerenes with a closed mesh topology are informally denoted by their empirical formula C n , often written C n , where n is the number of carbon atoms. However, for some values of n there maybe more than one isomer. The family is named after buckminsterfullerene C 60 , the most famous member, which in turn is named after Buckminster Fuller. The closed fullerenes, especially C 60 , are also informally called buckyballs for their resemblance to the standard ball of association football "soccer".