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Erschienen in:
1990 | OriginalPaper | Buchkapitel
Anaerobic Adhesives
verfasst von : John M. Rooney, Bernard M. Malofsky
Erschienen in: Handbook of Adhesives
Verlag: Springer US
Enthalten in: Professional Book Archive
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Anaerobic adhesives are single-component liquids or pastes which can be stored for prolonged periods of time at room temperature in the presence of oxygen but harden rapidly to form strong bonds when confined between surfaces that exclude air. Researchers at General Electric identified the first anaerobic adhesive in the late 1940s.1 They discovered that tetraethylene glycol dimethacrylate, oxygenated by heating at 60–80°C in the presence of bubbled air, remained liquid when cooled as long as aeration was maintained. However, when the air bubbling was discontinued or when the liquid was pressed as a thin film between glass microscope slides, rapid crosslinking occurred forming a solid polymeric material.