Angebote zu "Toothbrush" (3 Treffer)



Jack N Jill, Buzzy Brush Musical Toothbrush, 82g
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Dieser Artikel wird aus England verschicktKommt mit 6 entzückenden Blasenaufklebern, also kann Ihr kleines wirklich es ihr eigenes machen! Einstellungen: Modus 1: Musikalische Audiospur Modus 2: gesprochene Anweisungsaufforderungen Modus 3: Lautl

Anbieter: Rakuten
Stand: 24.02.2020
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39,00 € *
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.Nylon is a thermoplastic silky material, first used commercially in a nylon-bristled toothbrush (1938), followed more famously by women''s stockings ("nylons", 1940). It is made of repeating units linked by peptide bonds (another name for amide bonds) and is frequently referred to as polyamide (PA). Nylon was the first commercially successful synthetic polymer. There are two common methods of making nylon for fiber applications. In one approach, molecules with an acid (COOH) group on each end are reacted with molecules containing amine (NH2) groups on each end. The resulting nylon is named on the basis of the number of carbon atoms separating the two acid groups and the two amines. These are formed into monomers of intermediate molecular weight, which are then reacted to form long polymer chains. Nylon was intended to be a synthetic replacement for silk and substituted for it in many different products after silk became scarce during World War II. It replaced silk in military applications such as parachutes and flak vests, and was used in many types of vehicle tires. Nylon fibers are used in many applications, including fabrics, bridal veils, carpets, musical strings, and rope.

Anbieter: Dodax
Stand: 24.02.2020
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