By J.W.S. Hearle, W. E. Morton
First released in 1962, and now in its fourth version, actual homes of cloth fibres has turn into a vintage, offering the traditional reference on key elements of fibre functionality. the hot version has been considerably reorganised and revised to mirror new examine. After introductory chapters on fibre constitution, checking out and sampling, the ebook reports key fibre houses, their technical value, elements affecting those houses and dimension concerns. every one bankruptcy covers either typical and artificial fibres, together with high-performance fibres. The e-book first stories homes comparable to fineness, size and density. It then considers thermal houses and response to moisture. another staff of chapters then stories tensile homes, thermo-mechanical responses, fibre breakage and fatigue. ultimately, the ebook discusses dielectric houses, electric resistance and static, optical homes and fibre friction. Written via one of many world's best specialists, the fourth version of actual homes of fabric fibres consolidates its popularity as a regular paintings either for these operating within the cloth and people educating and learning fabric technology.
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Extra info for Physical Properties of Textile Fibres
Regenerated-cellulose fibres also contain cellulose II. It is generally thought that cellulose I is a parallel structure with chains pointing in the same direction but cellulose II is anti-parallel. Other crystal forms are found after some treatments . Mercerisation also results in a reduction in the proportion of crystalline material present in the fibres. In addition to mercerisation, which is a fairly old process, there are other forms of modification of cellulose fibres, particularly cotton, that are of commercial importance.
Polymers such as polyethylene have been found to crystallise in lamellar forms linked by tie-molecules. 19 Fringed-fibril structure. © Woodhead Publishing Limited, 2008 An introduction to fibre structure 27 In natural fibres, genetic control leads to the lay-down of specific fibrillar forms. As discussed later, cotton may be completely crystalline, with disorder coming from imperfect register between fibrils, and wool contains fibrils separated by a chemically different matrix. A more radical difference in views of fibre structure results from a questioning of the concept of well-defined crystalline and non-crystalline regions.
28 A schematic view of the crystal lattice of cellulose I, adapted from the drawing by Meyer and Misch , which has anti-parallel chains. Hydrogen bonded sheets are in the plane of the paper. The sheets in the middle of the cell are staggered with respect to those on the front and back faces. 038 nm. When these fibres are mercerised, by treatment with strong caustic soda, a second Xray diffraction pattern appears superimposed on the original one, replacing it as mercerisation becomes complete.