1、Designation: D4466 02 (Reapproved 2018)Standard Terminology Related toMulticomponent Textile Fibers1This standard is issued under the fixed designation D4466; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revisio
2、n. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 Man-made polymers can be combined duringmanufacture, or natural polymers can be formed duringgrowth, to produce multicomponent fib
3、ers having specialproperties such as cross dyeability, differential shrinkage, orbulk. This standard contains terms which can be used todescribe the physical arrangement of components of suchfibers. The schematic diagram in Annex A1 provides a guidefor interpreting the terminology used in describing
4、 two- andthree-component fibers, but is not intended to be limiting.Some examples of usage are given in Annex A2, and abibliography of related literature is given in Appendix X1.1.2 For definitions of other textile terms, refer to Terminol-ogy D123.1.3 This international standard was developed in ac
5、cor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 A
6、STM Standards:2D123 Terminology Relating to TextilesGeneric Class3. Terminologygeneric class, nas used with textile fibers, a grouping havingsimilar chemical compositions or specific chemical charac-teristics.DISCUSSIONIn the United States, the generic names and definitionsof man-made fibers, such a
7、s nylon, polyester, and acrylic, are publishedby the Federal Trade Commission in “Rules and Regulations Under theTextile Fiber Products Identification Act.” Technically, fibers may bebigeneric, trigeneric, etc.Componentspolymer, na macromolecular material formed by the chemi-cal combination of monom
8、ers having either the same ordifferent chemical ponent, nas used with textile fiber polymers, a polymerwith distinguishable properties.bicomponent fiber, na fiber consisting of two polymerswhich are chemically different or physically different, orboth.biconstituent fiber, ndeprecated term. Use the p
9、referredterm bicomponent bigeneric fiber.DISCUSSIONAs used in the Federal Trade Commissions “Rules andRegulations Under the Textile Fiber Products Identification Act,”“biconstituent fiber” is “essentially a physical combination or mixtureof two or more chemically distinct constituents or components
10、com-bined at or prior to the time of extrusion, which if separately extruded,would fall within different .” generic classes. In the preferred ASTMterminology, a biconstituent fiber is a bicomponent bigeneric fiber. It isnot clear from the “Rules” whether a biconstituent fiber has asheath-core, bilat
11、eral, or matrix configuration.tricomponent fiber, na fiber consisting of three polymerswhich are chemically different, physically different, or anycombination of such differences.Physical Arrangement of Componentslateral, adja descriptive term for a textile fiber composed oftwo or more polymers at l
12、east two of which have acontinuous longitudinal external surface.sheath-core, adja descriptive term for a multicomponenttextile fiber consisting of a continuous envelope whichencases a continuous, central, internal region. (See alsocomponent.)DISCUSSIONBoth the sheath and the core can consist of mor
13、e thanone component arranged laterally, concentrically, or in matrix.matrix, adja descriptive term for a textile fiber in which oneor more polymeric fibrous material(s) is dispersed in another.Order for Naming Multicomponent Fibers1. Trademark.1This terminology is under the jurisdiction ofASTM Commi
14、ttee D13 on Textilesand is the direct responsibility of Subcommittee D13.58 on Yarns and Fibers.Current edition approved July 1, 2018. Published August 2018. Originallyapproved in 1985 1. Last previous edition approved in 2012 as D4466 02(2012).DOI: 10.1520/D4466-02R18.2For referenced ASTM standards
15、, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 194
16、28-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Techn
17、ical Barriers to Trade (TBT) Committee.12. Physical arrangement of components: bilateral, matrix,sheath-core.3. Number of components: bicomponent, tricomponent, etc.4. Number of generic classes: monogeneric, bigeneric,trigeneric, etc.5. Subparts 1 through 4 to be separated by commas.6. Generic class
18、(es): polyester, nylon, spandex, etc.7. Makeup of generic classes:(a) Generic class(es) in parentheses.(b) For matrix structuresGeneric classes to be sepa-rated by a hyphen.(c) For lateral structuresGeneric classes to be sepa-rated by a slash mark (/) (virgule).(d) For sheath-core structuresGeneric
19、classes to beseparated by a slash mark (/) (virgule).(e) The generic class that is in the greatest quantity willbe named first.8. State the percentage of each generic class, based onpercent of the total fiber weight, in square brackets followingthe generic class (optional).9. Name the fiber in the f
20、orm in which it is produced ratherthan after any subsequent treatment(s) that might separate thecomponents.5. Keywords5.1 terminology; textile fibersANNEXES(Mandatory Information)A1. SCHEMATIC DIAGRAMSee Fig. A1.1D4466 02 (2018)2A2. Nomenclature UsageSee Fig. A2.1NOTE 1Where X, X, and X“ represent p
21、olymer components of the same generic class, and Y and Z represent components of different generic classes.FIG. A1.1 Schematic Diagram of Some Potential Fiber ConfigurationsNOTE 1Where A and A, NY and NY, and PE and PE represent different polymeric components within three generic classes.FIG. A2.1 E
22、xamples of Nomenclature UsageD4466 02 (2018)3APPENDIX(Nonmandatory Information)X1. BIBLIOGRAPHY(1) Morton, W. E., and Hearle, J. W. S., Physical Propertiesof Textile Fibers, John Wiley, New York, NY, 1975, pp. 5859.(2) Onions, J. W., Wool: An Introduction to its Properties,Varieties, Uses, and Produ
23、ction, Interscience, New York, NY,1962, p. 19.(3) Paul, D. R., and Newman, Seymour, Polymer Blends,Academic Press, New York, NY, Vol 2, Chapter 16, 1978.(4) Code of Federal Regulations,“ Rules and RegulationsUnder the Textile Fiber Products Identification Act” (16 CFR303.1303.11).(5) “Generic Names
24、and Definitions for ManufacturedFibers,” Annex A1, ASTM Standard D123 “TerminologyRelating to Textiles,” Annual Book of ASTM Standards, Vols07.01 and 07.02.(6) Farnfield, Carolyn A., and Alvey, P. J., Editors, TextileTerms and Definitions, Seventh Ed., The Textile Institute,Manchester, 1975.(7) Plac
25、ek, C., Multicomponent Fibers, Noyes Data Corp.,Park Ridge, NJ, 1971.(8) Jeffries, R., Bicomponent Fibers, Merrow PublishingCo., Ltd., Watford, 1971.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users
26、 of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every f
27、ive years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical
28、 committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken,
29、PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 02 (2018)4
