urethane plastics

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• urethane — n. Chem. a crystalline amide, ethyl carbamate, used in plastics and paints. Etymology: F ureacutethane (as UREA, ETHANE) …   Useful english dictionary

• plastic — plastically, plasticly, adv. /plas tik/, n. 1. Often, plastics. any of a group of synthetic or natural organic materials that may be shaped when soft and then hardened, including many types of resins, resinoids, polymers, cellulose derivatives,… …   Universalium

• materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …   Universalium

• Plain bearing — Crankshaft plain bearing shells A plain bearing, also known as a plane bearing[1] or a friction bearing[2] is the simplest type of bearing, comprising just a bearing surface and no rolling elem …   Wikipedia

• industrial polymers, major — Introduction       chemical compounds used in the manufacture of synthetic industrial materials.       In the commercial production of plastics, elastomers, man made fibres, adhesives, and surface coatings, a tremendous variety of polymers are… …   Universalium

• BASF — Infobox Company company name = BASF SE company company type = Public (FWB|BAS, lse|BFA) foundation = 1865 location = Ludwigshafen, Germany key people = Jürgen F. Strube (Chairman of the supervisory board), Jürgen Hambrecht (CEO and Chairman of… …   Wikipedia

• Laser engraving — is the practice of using lasers to engrave or mark an object. The technique can be very technical and complex, and often a computer system is used to drive the movements of the laser head. Despite this complexity, very precise and clean… …   Wikipedia

• Polymer — Appearance of real linear polymer chains as recorded using an atomic force microscope on surface under liquid medium. Chain contour length for this polymer is 204 nm; thickness is 0.4 nm.[1] A polymer is a large molecule (macromolecule …   Wikipedia

• Frank Nasworthy — is recognized as having introduced polyurethane wheel technology to skateboarding in the early 1970s.After graduating from Annandale High School in Northern Virginia in 1969, Nasworthy attended Virginia Tech for a year. Back with his family for… …   Wikipedia

• polymer — /pol euh meuhr/, n. Chem. 1. a compound of high molecular weight derived either by the addition of many smaller molecules, as polyethylene, or by the condensation of many smaller molecules with the elimination of water, alcohol, or the like, as… …   Universalium

• Drum (container) — A standard, 55 US gallon / 44 Imperial gallon drum. A drum is a cylindrical container used for shipping bulk cargo. Drums can be made of steel, dense paperboard (commonly called a fiber drum), or plastics, and are generally used for the… …   Wikipedia