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Kevlar fiber for body armor and automobile tire reinforcement; [3] [4] Mylar polyester film for packaging material and balloons [5] Corian solid surface materials for countertops, flooring and art. Butacite polyvinyl butyral, the safety interlayer in laminated glass [6] Nomex fiber for firefighting equipment and other thermal protection ...
BoPET film was developed in the mid-1950s, [6] [7] originally by DuPont, [6] Imperial Chemical Industries (ICI), and Hoechst. In 1953 Buckminster Fuller used Mylar as a skin for a geodesic dome, which he built with students at the University of Oregon. [8] In 1955 Eastman Kodak used Mylar as a support for photographic film and called it "ESTAR ...
A typical 11 mm (0.43 in) UHMWPE rope of 30 m (98 ft) can weigh around 2 kg (4.4 lb), the equivalent steel wire rope would weigh around 13 kg (29 lb). One notable drawback of UHMWPE rope is its susceptibility to UV damage, so many users will fit winch covers in order to protect the cable when not in use.
Nomex and related aramid polymers are related to nylon, but have aromatic backbones, and hence are more rigid and more durable. Nomex is an example of a meta variant of the aramids (Kevlar is a para aramid).
By 1936 improved DuPont process control produced batches conforming to published reloading data rather than requiring different charge specifications for each batch; [11] and those propellants have remained in production. Non-conforming batches were used to load commercial and military cartridges following traditional testing procedures.
An appendix section in the book contains a chronology of events starting at 1833, a 70-page index, a list of the 100 or so main stories, and a plan of the elevation of the block as the 10x10 grid. The index lists many of the people, places and works of art mentioned in the book:
Ethylene tetrafluoroethylene (ETFE) is a fluorine-based plastic.It was designed to have high corrosion resistance and strength over a wide temperature range. ETFE is a polymer and its source-based name is poly (ethene-co-tetrafluoroethene).
De vita is an amalgam of philosophy, medicine, magic and astrology.Alongside passages explaining the immortality and divine source and nature of the soul, there are astrological charts and remedies, speeches from various Greek gods arguing with one another, philosophical digressions, medieval prescriptions for various ills, attempts at reconciling the Neoplatonism of Plotinus with Christian ...