Method for characterizing fibers with shape and size used for coding
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-039/16
D21H-021/42
C08L-001/12
D02G-001/12
D02G-001/20
D02J-001/02
D02G-003/02
D02G-003/22
D02G-003/44
G06K-009/46
G06K-009/52
G06K-009/62
G06T-007/00
D01D-005/253
D01F-002/28
G07D-007/12
A24D-003/04
출원번호
US-0748749
(2015-06-24)
등록번호
US-9358486
(2016-06-07)
발명자
/ 주소
McLeod, Andrew Ervin
Gaynor, Scott Gregory
Wilson, Steven Anthony
Collazo, Humberto
Renfro, Larry Wayne
Seiler, Brian Douglas
출원인 / 주소
Eastman Chemical Company
대리인 / 주소
Knight, Jennifer R.
인용정보
피인용 횟수 :
5인용 특허 :
17
초록▼
Disclosed is a method of characterizing a fiber sample comprising standard fibers and identification fibers which can be used for tracking and tracing fibers through at least part of the supply chain. Each identification fiber exhibits at least one distinct feature. Each group of distinguishable ide
Disclosed is a method of characterizing a fiber sample comprising standard fibers and identification fibers which can be used for tracking and tracing fibers through at least part of the supply chain. Each identification fiber exhibits at least one distinct feature. Each group of distinguishable identification fibers can exhibit a taggant cross-section shape, a taggant cross-section size, or combination of the same taggant cross-section shape and same taggant cross-section size. The distinct features and the number of fibers in each group of distinguishable identification fibers can represent at least one supply chain component of the fibers. The fiber sample can include a portion of an acetate tow band or a filter made from the acetate tow band, and the supply chain information can include the manufacturer of the acetate tow band and the customer of the acetate tow band.
대표청구항▼
1. A method of characterizing a fiber sample, wherein the fiber sample comprises fibers,wherein the fibers comprise identification fibers and standard fibers,wherein each of the identification fibers exhibits at least one distinct feature,wherein the identification fibers consist of one or more grou
1. A method of characterizing a fiber sample, wherein the fiber sample comprises fibers,wherein the fibers comprise identification fibers and standard fibers,wherein each of the identification fibers exhibits at least one distinct feature,wherein the identification fibers consist of one or more groups of distinguishable identification fibers, each group of the distinguishable identification fibers being formed by the identification fibers having the same distinct feature or the same combination of distinct features, the method comprising, (1) applying imaging technology to the fiber sample to generate stitched image data of the fiber sample,(2) detecting the groups of the distinguishable identification fibers based on the stitched image data,(3) determining a number of each of the distinguishable identification fibers for each detected group, wherein the number of the identification fibers in each detected group of the distinguishable identification fibers is defined as a fiber count,wherein at least one of the fiber counts corresponds to a taggant fiber count,and wherein (i) the distinct features in each group of the distinguishable identification fibers and (ii) the one or more taggant fiber counts are representative of at least one supply chain component of the fiber sample, and(4) generating, based on the detection and determination, supply chain information correlating at least one group of the distinguishable fibers and at least one of the taggant fiber counts to the at least one supply chain component of the fiber sample. 2. The method of claim 1, wherein the distinct features comprise one or more taggant cross-section shapes or one or more taggant cross-section sizes and wherein a number of taggant fiber counts for each group of the distinguishable identification fibers ranges from 1 to 10. 3. The method of claim 2, wherein a number of the taggant cross-section shapes ranges from 1 to 25. 4. The method of claim 2, wherein a portion of the taggant cross-section shapes are produced using spinneret hole geometries selected from the group consisting of triangle, circle, rectangle, square, flattened round, trapezoid hexagon, pentagon, and D-shaped. 5. The method of claim 2, wherein a number of the taggant cross-section sizes ranges from 1 to 25, wherein a ratio of at least one of the taggant cross-section sizes to an average cross-section size of the standard fibers ranges from 10:1 to 1.1:1, and wherein the taggant cross-section size and the average cross-section size are determined based upon an effective diameter. 6. The method of claim 2 wherein a number of the taggant cross-section sizes ranges from 1 to 25 and wherein a ratio at least one of the taggant cross-section sizes to the average cross-section size of the standard fibers ranges from 1:10 to 1:1.1, and wherein the taggant cross-section size, and the average cross-section size are determined based upon an effective diameter. 7. The method of claim 2, wherein the distinguishable identification fibers comprise reference fibers, wherein the reference fibers exhibit a reference cross-section size and a reference cross-section shape, wherein a ratio of each of the taggant cross-section sizes to the reference cross-section size ranges from 20:1 to 1:20, wherein the reference cross-section size and the taggant cross-section sizes are determined based upon an effective diameter. 8. The method of claim 1, wherein the standard fibers comprise cellulose acetate, wherein the fiber sample comprises a portion of an article comprising the fibers, and wherein the article is selected from the group consisting of a filter rod and a cigarette filter. 9. The method of claim 1, wherein the fiber sample comprises a portion of an article comprising the fibers, and wherein the article is selected from the group consisting of fabrics and other textile products, non-wovens, and absorbent product. 10. The method of claim 1, wherein the imaging technology is selected from the group consisting of microscopy, electron microscopy, confocal microscopy, florescence microscopy, and optical scanning. 11. The method of claim 1, wherein the imaging technology is applied transverse to the length of the fibers. 12. The method of claim 1, wherein the at least one supply chain component comprises at least one of a manufacturer of the standard fibers, a manufacture site of the standard fibers, a manufacture line of the standard fibers, a production run of the standard fibers, a production date of the standard fibers, a package of the standard fibers, a warehouse of the standard fibers, a customer of the standard fibers, a ship-to location of the standard fibers, a manufacturer of a fiber band comprising the standard fibers, a manufacture site of the fiber band, a manufacture line of the fiber band, a production run of the fiber band, a production date of the fiber band, a package of the fiber band, a warehouse of the fiber band, a customer of the fiber band, a ship-to location of the fiber band, a manufacturer of an article comprising the fibers, a manufacture site of the article, a manufacture line of the article, a production run of the article, a production date of the article, a package of the article, a warehouse of the article, a customer of the article, or a ship-to location of the article. 13. The method of claim 12, wherein the at least one supply chain component comprises the manufacturer of a fiber band comprising the standard fibers and the customer of the fiber band. 14. The method of claim 12, wherein the at least one supply chain component comprises the manufacturer of a fiber band comprising the standard fibers and the ship-to location of the fiber band. 15. A method of characterizing a fiber sample, wherein the fiber sample comprises a portion of an acetate tow band or a portion of an article comprising the acetate tow band, wherein the acetate tow band comprises fibers, wherein the fibers comprise standard fibers and identification fibers,wherein the standard fibers comprise cellulose acetate,wherein each of the identification fibers exhibits at least one distinct feature,wherein the identification fibers consist of one or more groups of distinguishable identification fibers, each group of the distinguishable identification fibers being formed by identification fibers having the same distinct feature or the same combination of distinct features, the method comprising, (1) receiving the fiber sample, cutting a portion of the fiber sample, incorporating the fibers into a matrix, and polishing at least one surface of the matrix to produce a polished fiber sample,(2) applying imaging technology to the polished fiber sample to generate stitched image data of the fiber sample,(3) detecting the groups of the distinguishable identification fibers based on the stitched image data,(4) determining a number of each of the distinguishable identification fibers for each detected group, wherein the number of identification fibers in each detected group of the distinguishable identification fibers is defined as a fiber count,wherein at least one of the fiber counts corresponds to a taggant fiber count,and wherein (i) the distinct features in each group of the distinguishable identification fibers and (ii) the one or more taggant fiber counts are representative of at least one supply chain component of the acetate tow band, and(5) generating, based on the detection and determination, supply chain information correlating at least one group of the distinguishable fibers and at least one of the taggant fiber counts to the at least one supply chain component of the fiber sample. 16. The method of claim 15, wherein the distinct features comprise one or more taggant cross-section shapes or one or more taggant cross-section sizes and wherein a number of taggant fiber counts for each group of the distinguishable identification fibers ranges from 1 to 10. 17. The method of claim 16, wherein a number of the taggant cross-section shapes ranges from 1 to 25. 18. The method of claim 16, wherein a portion of the taggant cross-section shapes are produced using spinneret hole geometries selected from the group consisting of triangle, circle, rectangle, square, flattened round, trapezoid hexagon, pentagon, and D-shaped. 19. The method of claim 16, wherein a number of the taggant cross-section sizes ranges from 1 to 10, wherein a ratio of at least one of the taggant cross-section sizes to an average cross-section size of the standard fibers ranges from 10:1 to 1.1:1, and wherein the taggant cross-section size and the average cross-section size are determined based upon an effective diameter. 20. The method of claim 16, wherein a number of the taggant cross-section sizes ranges from 1 to 10, wherein a ratio at least one of the taggant cross-section sizes to the average cross-section size of the standard fibers ranges from 1:10 to 1:1.1, and wherein the taggant cross-section size and the average cross-section size are determined based upon an effective diameter. 21. The method of claim 16, wherein the taggant cross-section sizes range from 1 to 30 denier per filament (dpf). 22. The method of claim 15, wherein the identification fibers comprise cellulose acetate. 23. The method of claim 16, wherein a number of the taggant cross-section shapes ranges from 1 to 12 and a number of the taggant cross-section sizes ranges from 1 to 4. 24. The method of claim 15, wherein the imaging technology is selected from the group consisting of microscopy, electron microscopy, confocal microscopy, florescence microscopy, and optical scanning and wherein the imaging technology is applied transverse to the length of the fibers. 25. The method of claim 16, wherein the distinguishable identification fibers comprise reference fibers, wherein the reference fibers exhibit a reference cross-section size and a reference cross-section shape, wherein a ratio of each of the taggant cross-section sizes to the reference cross-section size ranges from 20:1 to 1:20, and wherein the reference cross-section size and the taggant cross-section sizes are determined based upon an effective diameter. 26. The method of claim 15, further comprising (a) correlating the (i) the distinct features in each group of the distinguishable identification fibers and (ii) the one or more taggant fiber counts to a database, wherein the database comprises manufacturer specific taggants; and(b) determining the at least one supply chain component, wherein the at least one supply chain component comprises at least one of a manufacturer of the acetate tow band, a manufacture site of the acetate tow band, a manufacture line of the acetate tow band, a production run of the acetate tow band, a production date of the acetate tow band, a bale of the acetate tow band, a warehouse of the acetate tow band, a customer of the acetate tow band, or a ship-to location of the acetate tow band. 27. The method of claim 26, wherein the at least one supply chain component comprises the manufacturer of the acetate tow band and the customer of the acetate tow band. 28. The method of claim 26, wherein the at least one supply chain component comprises the manufacturer of the acetate tow band and the ship-to location of the acetate tow band. 29. A method of characterizing a fiber sample, wherein the fiber sample comprises a portion of a cigarette filter, wherein the cigarette filter comprises an acetate tow band, wherein the acetate tow band comprises standard fibers and identification fibers,wherein the standard fibers comprise cellulose acetate,wherein each of the identification fibers exhibits at least one distinct feature,wherein the distinct features comprise 1 to 10 taggant cross-section shapes and 1 to 4 taggant cross-section sizes, wherein the identification fibers consist of one or more groups of distinguishable identification fibers, each group of the distinguishable identification fibers being formed by identification fibers having the same taggant cross-section shape, the same taggant cross-section size, or a same combination of the taggant cross-section shape and the taggant cross-section size, the method comprising, (1) applying imaging technology to the fiber sample to generate stitched image data of the fiber sample,(2) detecting the groups of the distinguishable identification fibers, based on the stitched image data,(3) determining a number of the distinguishable identification fibers in each of the groups for each detected group, wherein the number of the distinguishable identification fibers in each of the distinct groups is defined as a fiber count,wherein each of the fiber counts corresponds to a taggant fiber count, andwherein a number of taggant fiber counts for each group of the distinguishable identification fibers ranges from 1 to 4, and(4) correlating (i) the distinct features in each group of the distinguishable identification fibers and (ii) the taggant fiber counts to a database comprising manufacture specific taggants and determining a manufacturer of the acetate tow band and a customer of the acetate tow band and/or the manufacturer of the acetate tow band and a ship-to location of the acetate tow band. 30. A method of characterizing a fiber sample, wherein the fiber sample comprises a portion of a cigarette filter, wherein the cigarette filter comprises an acetate tow band, wherein the acetate tow band comprises identification fibers and standard fibers,wherein each of the identification fibers exhibits at least one distinct feature,wherein the identification fibers consist of one or more groups of distinguishable identification fibers, each group of the distinguishable identification fibers being formed by the identification fibers having the same distinct feature or the same combination of distinct features, the method comprising (1) applying imaging technology to the fiber sample to generate stitched image data of the fiber sample,(2) detecting the groups of the distinguishable identification fibers based on the stitched image data,(3) determining a number of each of the distinguishable identification fibers,wherein the number of the identification fibers in each group of the distinguishable identification fibers is defined as a fiber count,wherein at least one of the fiber counts corresponds to a taggant fiber count,and wherein (i) the distinct features in each group of the distinguishable identification fibers and (ii) the one or more taggant fiber counts are representative of at least one supply chain component of the fiber sample(4) correlating the (i) the distinct features in each group of the distinguishable identification fibers and (ii) the one or more taggant fiber counts to a database, wherein the database comprises manufacturer specific taggants, and determining the at least one supply chain component.
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