GB1292388A - Hollow filaments - Google Patents
Hollow filamentsInfo
- Publication number
- GB1292388A GB1292388A GB902370A GB902370A GB1292388A GB 1292388 A GB1292388 A GB 1292388A GB 902370 A GB902370 A GB 902370A GB 902370 A GB902370 A GB 902370A GB 1292388 A GB1292388 A GB 1292388A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fibres
- filaments
- spinning
- voids
- filament
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
1292388 Hollow filaments E I DU PONT DE NEMOURS & CO 25 Feb 1970 [26 Feb 1969] 9023/70 Heading B5B A melt-spun textile filament is composed of a thermoplastic synthetic polymer and has at least three voids extending substantially continuously throughout its length; these voids account for a total of between 10 and 35%, preferably between 10 and 25%, of the filament volume, and the filament has an outer surface substantially free from re-entrant curves. Fig. 1 shows a spinneret orifice suitable for use in melt-spinning these filaments. Figs. 1a, 1b and 1c show cross-sections of filaments produced by orifices of this type. The orifice may be designed so that it has 4 T-shaped components, in which case a fibre such as that illus- trated in Fig. 3 is produced, that is one with substantially quadrilateral voids. As illustrated in Figs. 1a, 1b and lc and in Fig. 3, the fibres may have a quadrilateral cross-section. Other shapes mentioned are triangular and pentagonal. Conventional polymer additives such as dyes, antistatic agents &c. may be added before, during, or after polymerization and spinning, and the filaments may be crimped and textured conventionally, usually without detriment. Both pre-ooalescent and post-coalescent spinning techniques may be used, but the latter is preferred since the former requires the injection of an inflating agent into the polymer to maintain the void structure. The examples illustrate the preparation of fibres of poly-(hexamethylene adipamide) by the process of the invention, the fibres being spun, hot-drawn and textured in a continuous operation. Polyethylene terephthalate fibres are also disclosed.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80241469A | 1969-02-26 | 1969-02-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1292388A true GB1292388A (en) | 1972-10-11 |
Family
ID=25183645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB902370A Expired GB1292388A (en) | 1969-02-26 | 1970-02-25 | Hollow filaments |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE746572A (en) |
CA (1) | CA918371A (en) |
DE (1) | DE2009123A1 (en) |
FR (1) | FR2033114A5 (en) |
GB (1) | GB1292388A (en) |
NL (1) | NL7002678A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54112242A (en) * | 1978-02-13 | 1979-09-03 | Toray Industries | Soil resistant crimped nylon yarn |
JPS54112269A (en) * | 1978-02-16 | 1979-09-03 | Toray Industries | Pile carpet |
US4307152A (en) | 1977-12-12 | 1981-12-22 | Akzona Incorporated | Hydrophilic polyester fiber and process for making same |
US5277976A (en) * | 1991-10-07 | 1994-01-11 | Minnesota Mining And Manufacturing Company | Oriented profile fibers |
EP2272999A3 (en) * | 2009-07-07 | 2011-02-02 | Shinkong Synthetic Fibers Corporation | Fiber with 4t cross section. |
CN105401236A (en) * | 2015-10-26 | 2016-03-16 | 苏州明盛化纤有限公司 | Novel breathable chemical fiber |
CN113122939A (en) * | 2021-03-19 | 2021-07-16 | 江苏永银化纤有限公司 | Preparation method of regenerated hollow yarn with moisture absorption and breathability and spinneret plate for production |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3011118A1 (en) * | 1978-06-03 | 1981-10-01 | Akzo Gmbh, 5600 Wuppertal | Polyester micro-filaments with multiple longitudinal cavities - giving precision micro:filters and light, high-absorptive felts |
-
1970
- 1970-02-06 CA CA074249A patent/CA918371A/en not_active Expired
- 1970-02-25 GB GB902370A patent/GB1292388A/en not_active Expired
- 1970-02-25 NL NL7002678A patent/NL7002678A/xx unknown
- 1970-02-26 FR FR7007024A patent/FR2033114A5/fr not_active Expired
- 1970-02-26 BE BE746572D patent/BE746572A/en not_active IP Right Cessation
- 1970-02-26 DE DE19702009123 patent/DE2009123A1/en active Pending
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4307152A (en) | 1977-12-12 | 1981-12-22 | Akzona Incorporated | Hydrophilic polyester fiber and process for making same |
JPS54112242A (en) * | 1978-02-13 | 1979-09-03 | Toray Industries | Soil resistant crimped nylon yarn |
JPS6113012B2 (en) * | 1978-02-13 | 1986-04-11 | Toray Industries | |
JPS54112269A (en) * | 1978-02-16 | 1979-09-03 | Toray Industries | Pile carpet |
JPS5625541B2 (en) * | 1978-02-16 | 1981-06-12 | ||
US5277976A (en) * | 1991-10-07 | 1994-01-11 | Minnesota Mining And Manufacturing Company | Oriented profile fibers |
EP2272999A3 (en) * | 2009-07-07 | 2011-02-02 | Shinkong Synthetic Fibers Corporation | Fiber with 4t cross section. |
CN105401236A (en) * | 2015-10-26 | 2016-03-16 | 苏州明盛化纤有限公司 | Novel breathable chemical fiber |
CN113122939A (en) * | 2021-03-19 | 2021-07-16 | 江苏永银化纤有限公司 | Preparation method of regenerated hollow yarn with moisture absorption and breathability and spinneret plate for production |
Also Published As
Publication number | Publication date |
---|---|
DE2009123A1 (en) | 1970-09-10 |
FR2033114A5 (en) | 1970-11-27 |
CA918371A (en) | 1973-01-09 |
BE746572A (en) | 1970-08-26 |
NL7002678A (en) | 1970-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |