《天然纖維素纖維》PPT課件

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1、NaturalCellulosicFibers天然纖維素纖維2.1IntorductionofnaturalcellulosicfiberFibrousmaterialsarefoundinnearlyallplantlife,butsomeplantsinparticularhaveprovedtobeimportantsourcesoftextilefibersforthemanufactureofyarns,cord,andfabrics.theseplantfiberscomsistlargelyofcelluloseand,ther

2、efore,areclassifiedasnaturalcellulosicfibers.fibrous纖維的textile紡織品yarns紗、線cord繩、索fabric織物2.1IntorductionofnaturalcellulosicfiberFibrousmaterialsarefoundinnearlyallplantlife,butsomeplantsinparticularhaveprovedtobeimportantsourcesoftextilefibersforthemanufactureofyarns,cord,an

3、dfabrics.theseplantfiberscomsistlargelyofcelluloseand,therefore,areclassifiedasnaturalcellulosicfibers.纖維的原料幾乎在所有植物中都能被找到，但部分植物卻被證明是制造紗線、繩索等織物的紡織品纖維的重要來源。這些植物纖維大部分由纖維素組成，因此，被分為天然纖維素纖維一類。2.1IntorductionofnaturalcellulosicfiberThistermindicatesthesimplechemistryofthesubstance

4、sandprovidesascientificmethodforcomparingnaturalcellulosewithman-madecellulosefibers.Thenaturalcellulosefiberscommonlyencounteredinconsumergoodsincludecotton,flax(linenfabric),jute,andhemp.flax亞麻linen亞麻布jute黃麻hemp大麻2.1IntorductionofnaturalcellulosicfiberThistermindicatesthe

5、simplechemistryofthesubstancesandprovidesascientificmethodforcomparingnaturalcellulosewithman-madecellulosefibers.Thenaturalcellulosefiberscommonlyencounteredinconsumergoodsincludecotton,flax(linenfabric),jute,andhemp.這學(xué)期指出物質(zhì)的簡單的化學(xué)性質(zhì)，為天然纖維素纖維和人造纖維素纖維的比較提供一個科學(xué)的方法。在消費商品中通常遇到的

6、天然纖維素纖維有棉、亞麻（亞麻布織物）、黃麻和大麻。2.1IntorductionofnaturalcellulosicfiberOthernaturalcellulosefibersmaybefoundintextileproductsimportedfromothercountries.其它纖維素纖維可能從國外進口的紡織產(chǎn)品中找到。2.1IntorductionofnaturalcellulosicfiberThefollowingdiscussionsummarizesthegeneralcharacteristicsofnatural

7、cellulosicfibersandrayonasaclassorgroup.Celluloseacetateandcellulosetriacetatearechemicalvariantsofcelluloseand,assuch,donotshareinmanyofthe“familycharacteristics.”rayon人造絲acetate醋酸鹽triacetate三醋酸鹽2.1IntorductionofnaturalcellulosicfiberThefollowingdiscussionsummarizesthegene

8、ralcharacteristicsofnaturalcellulosicfibersandrayonasaclassorgroup.Celluloseacetat