uncertain
发表于 2025-3-26 21:12:02
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我不明白
发表于 2025-3-27 05:03:57
Acrylic fibres,uminosity, ease of washing, resistance to pilling and good light and colour fastness. Because of these properties, and also due to the ease with which modifications can be made during synthesis, spinning and finishing, acrylic fibres have experienced a tremendous growth since their introduction by Du Pont, USA, in 1950.
Mitigate
发表于 2025-3-27 07:11:53
Testing of manufactured fibres,ach plant establishes certain norms for each important property. Besides satisfying these norms, the fibres and yarns should have consistent properties. The principles and methods of evaluating these properties are discussed in this chapter.
阻挡
发表于 2025-3-27 12:50:31
Nylon 6 and nylon 66 fibres,e linkages are attached directly to two aromatic rings, while a polyamide in which at least 85% of the amide links are joined to two aromatic groups is known as an aramid. Aramid fibres are mainly used for industrial applications and are described in Chapter 18.
声明
发表于 2025-3-27 15:33:19
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Dappled
发表于 2025-3-27 20:16:18
Structural principles of polymeric fibres, available polymers so that the structural requirements for a useful fibre-forming polymer become clear. This is the primary purpose of this chapter. The emphasis is on a physical understanding of the structure-property relationships in very simple terms; the resulting loss of accuracy should not detract from the main theme that is developed.
Breach
发表于 2025-3-27 22:33:38
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Proponent
发表于 2025-3-28 05:59:16
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随意
发表于 2025-3-28 07:41:32
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摸索
发表于 2025-3-28 12:18:55
Book 1997oduction of all important commoditymanufactured fibres and most of the industrial fibres. The emphasis ison the fundamental principles and industrial aspects of production.Latest developments in manufactured fibres in terms of manufacturingprocesses, characteristics and their applications are also c