GB2224756A - Ceramic-containing fiber and process for preparing the same - Google Patents
Ceramic-containing fiber and process for preparing the same Download PDFInfo
- Publication number
- GB2224756A GB2224756A GB8926877A GB8926877A GB2224756A GB 2224756 A GB2224756 A GB 2224756A GB 8926877 A GB8926877 A GB 8926877A GB 8926877 A GB8926877 A GB 8926877A GB 2224756 A GB2224756 A GB 2224756A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fiber
- ceramic
- aqueous
- finely divided
- cotton
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
Description
2224756
SPECIFICATION
Ceramic-containing Fiber and the Process for Preparing the Same TECHNICAL FIELD
The present invention relates to ceramic-containing fiber wherein characteristic features belonging to finely divided ceramic particles are suitably selected and applied to vegetable fiber without damaging essential characteristic features thereof and a process for preparing the same. More particularly, the invention relates to ceramic-containing fiber which can maintain the above described characteristic features for a long period of time and an easy process for preparing the same which comprises immersing fiber in a prescribed processing solution which has been heated and pressurized, and solid-dissolving finely divided ceramic particles into minue pores involved in the resulting swelled monofilaments of said fiber.
TECHNICAL BACKGROUND
It has been conventionally known that quality of textile goods depends upon that of vegetable fiber from which the corresponding textile good is manufactured, so that fiber must be selected on the basis of characteristic features involved in the fiber dependent upon functions and applications of the objective textile goods.
For example, cotton which is one of vegetable fiber is most widely used in the world as fiber for clothing, and the A production thereof holds a majority of the whole fiber for clothing.
Stich a cotton fiber is produced as a result of gradually long and-narrow growth of an epidermal cell of a cotton seed, so that a vestige of protoplasm remains as a vacuole at the central portion of a sufficiently matured cotton fiber. Cotton fiber which had been reaped becomes flat and intertwined as a result of drying the same.
Thus, since cotton fiber having such characteristic features involves said vacuole, then it results in favourable heat retaining property and touch, whilst such twist makes intense intertwinment among fibers to effect favourable spinning. Accordingly, cotton possesses very good properties as fiber for clothing. On one hand, with development of recent petrochemical industry, consumption of synthetic fiber increases, and tinder these circumstances, synthetic fiber exhibits beautiful appearance peculiar thereto, moderate elasticity and strength while satisfying a demand corresponding to consumption of such synthetic fiber.
On the other hand, such trial for affording characteristics of-ceramics to fiber in order to extend applications and functions of fiber which have been limited to peculiar properties of the'fiber itself by adding characteristic features involved in the other fiber to the very individual fiber.
For instance, there have been such fiber wherein the fiber is immersed in a ceramic particle solution containing a v binder to adhesive bond said ceramic particles on the surface of the fiber, or such textile which is obtained by either blending fiber to which is adhesive bonded the particles or twisting and u-n-iting the ceramic. fiber.
However, such synthetic fiber as described above wherein ceramic particles are merely adhesive bonded to the surface of the fiber, so that characteristic features of the ceramic particles could not be maintained for a long period of time dependent upon use and applications for products manufactured from said fiber. Even in mix-spun or twisted union cloth, such cloth could not maintain essential property of union cloth due to differences in stretchability and the like of both of the fiber.
Furthermore, since a variety of high-molecular weight compounds are applied to fiber, the characteristic features of the very high-molecular weight material are actualized so that essential characteristic features such as heat retaining property and hygroscopic property belonging to cotton fiber are damaged.
DISCLOSURE OF THE INVENTION
Namely, according to the present invention, minute pores involved in vegetable fiber are allowed to swell by the use of an organic solvent or an aqueous solvent, and then the fiber is immersed in a prescribed processing solution which has been heated and pressurized, and ceramic fine particles are caused to exist among minute pores involved in the swollen monofilament fiber.
Thus, characteristic features such as heat insulating properties, water absorption properties and the like involved in ceramic fine particles are suitably selected therefrom and added to those of fiber in question without damaging characteristic features which have been involved therein originally. In addition, the fiber containing the above described characteristic features improved may be manufactured by a simple manner.
BEST MODE FOR EMBODYING THE INVENTION An embodiment of the present invention will be described in detail hereinbelow.
It is to be noted that the present fiber and the process for preparing the same will be particularly described in connection with cotton among vegetable fiber as its major component. As described above, a cotton fiber has a vacuole in its cross section so that it makes heat retaining property and touch of the fiber better, besides twist in monofilament makes intense intertwinment among such monofilaments. As is explained, in cotton fiber, arrangement of crystallite of monofilament is spiral along major axis of fiber on which minute pores appear in turned and twisted form. The present invention utilizes such characteristic features as described above. In this connection, said minute pores are filled with ceramic finely divided particles, said minute pores existing as its noncrystalline region in a crystalline region where an arrangement of crystallite which forms said monofilament is regular and the noncrystalline region where the arrangement is irregular.
In general, although the minute pore has a size of 5 - 10 angstrom, when the fiber is immersed in a prescribed solvent, a diameter of the pore expands to 40 - 100 angstrom. Accordingly, the fiber can be filled with ceramic finely divided particles having an average particle dianeter of 60 angstrom using with this invention.
In view of the above, according to the present process, dinitrogen tetroxide is allowed to contain in an organic solvent such as dimety1formamide, N-methyl-2-pyrrolidone and the like, or cotton fiber is subjected to swell by the use of an aqueous solvent such as aqueous cuprica:Tmnium, aqueous alkali and the like which is commonly known in a cylindrical form. Either the cotton fiber swelled is filled with ceramic in water, or the cotton fiber swelled is subjected to liquid current treatment in a sealed pressure vessel containing aqueous solution involving said solvent or aqueous solvent to which is added ceramic having an average particle diameter of 60 angstrom at a temperature of from 90 to 110 0 C under a pressure of from 4 to 6 kg/cm 2.
Thereafter when-the ceramic remaining and deposited on the surface of the cotton fiber is washed and then dried, the minute pores swelled and filled shrink, whereby the cotton fiber can introduce the finely divided ceramic thereinto.
According to the present process, when a dyestuff or a bleaching agent is added to a processing solution in said sealed vessel, cotton fiber to be processed can be bleached or dyed at the same time of filling the cotton fiber with ceramic.
Since the resulting cotton fiber contains a ceramic hairing a very high porosity (e.g. 90% or more) as a result of solid solution of ceramic, such cotton fiber is excellent in heat insulating property. More specifically, a thread containing a solid such as porous silica ceramic of the present invention and gas does not only make small the heat transfer by conduction which propagates through the fiber itself, but also heat transmission between the fiber and the space as well as radiation heat transfer, so that the resulting thread has a very excellent heat insulating property and clothes and the like made from such cotton fiber do not absorb the heat from the outside.
Furthermore, a ceramic having a high porosity absorbs easily moisture due to capillary action of the pores so that the resulting cotton fiber is sensitive to hygroscopicity from the outside, and the ceramic existing in the interior of said minute pores absorbs moisture, in turns, the moisture is rapidly absorbed up to a split hole inside the cotton fiber, whereby a moisture content of the cotton fiber itself is elevated. This moisture content functions to adapt to the external atmosphere as a natural characteristic feature of cotton, i.e. when the environment dries, the moisture is released to the surface of the cotton fiber, whereby environmental adaptability is added to characteristic features of cotton.
1 As described above, underwear made from the ceramic cotton has superior water absorption properties to those of conventional cotton manufactured goods, Furthermore,.since ceramic has a crystalline structure of cubic or hexagonal system type and the like, when a part of the ceramic existing in a minute pore protrudes from the surface of the cotton, coefficient of friction thereof becomes larger than that of original cotton as a whole, and as a result, the touch of such cotton becomes like hemp.
Moreover, ceramic exhibits various characteristic features dependent upon ingredients thereof. In this connection, translucent ceramic being transparent in infrared region exhibits high selective absorption with respect to infrared rays. For instance, when a metallic oxide (MgO ceramics, SiO 2 ceramics, AR 2 0 3 ceramics or the like) is allowed to exist in fiber, an article to be warmed (for example, human body and the like) is irradiated with far infrared rays (25 10 um) being a kind of electromagnetic wave and exhibiting high thermal action from the outer environment through said translucent ceramic as thermal energy.
Accordingly, when such cotton fiber containing the present ceramic exists on the surface of a human body, it is possible to absorb outer thermal energy.
INDUSTRIAL APPLICABILITY
As described above, the ceramic-containing fiber and the process for preparing the same according to the present k invention may add characteristic features such as heat insulating absorptive effect, divergent effect as well as filtering effect which are peculiar to ceramic to vegetable fiber which is supplied in a comparatively large amount among natural fiber. Moreover, the process for the preparation according to the present invention is useful for preparing the fiber having additional characteristic features, and particularly it is suitable for solid-dissolving ceramic finely divided particles in vegetable fiber.
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Claims (1)
- CLAIMS (1) Ceramic-containing fiber characterized by comprising vegetablefiber, minute pores contained in said fiber, and closed finely divided ceramic particles having a prescribed particle diameter which have been poured in said minute pores which had been expanded by swelling said fiber.(2) Ceramic-containing fiber as claimed in claim 1 wherein said vegetable fiber is cotton or hemp.(3) A process for preparing ceramic-containing fiber characterized by:allowing vegetable fiber to swell by the use of an organic solvent or an aqueous solvent in a cylindrical form; then, immersing said fiber in an aqueous processing solution with which have been admixed finely divided ceramic particles; heating and pressurizing the processing solution in which said fiber has been immersed, thereafter pouring the finely divided ceramic particles into expanded minute pores contained in said fiber; and drying the resulting fiber after washing the same.(4) A process for preparing ceramic-containing fiber as claimed in claim 3 wherein said organic solvent is dimethylformamide or N-methyl-2-pyrrolidone containing dinitrogen tetroxide.(5) A process for preparing ceramic-containing fiber as claimed in claim 3 wherein said aqueous solvent is aqueous cuprammonium or aqueous alkali.(6) A process for preparing ceramic-containing fiber as claimed in claim 3 wherein said aqueous processing solution with which have been admixed said finely divided ceramic particles is a.solution containing a bleaching agent and/or a dyestuff.'-- z 1 Published 1990 at The Patent Office. State House. 66 71 High Holborn. London WCIR 4TF. Farther copies may be obtained from The Patent Office. Sales Branch, St Mary Cray, Orpington. Kent BR5 3RD. Printed by Multiplex techniques ltd. St Mary Cray. Kent. Con. 1'87
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63073712A JPH01246469A (en) | 1988-03-28 | 1988-03-28 | Ceramic-containing fiber and production thereof |
PCT/JP1988/000676 WO1989009304A1 (en) | 1988-03-28 | 1988-07-06 | Ceramic-containing fiber and process for preparing the same |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8926877D0 GB8926877D0 (en) | 1990-02-21 |
GB2224756A true GB2224756A (en) | 1990-05-16 |
GB2224756B GB2224756B (en) | 1992-03-04 |
Family
ID=13526107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8926877A Expired GB2224756B (en) | 1988-03-28 | 1989-11-28 | Ceramic-containing fiber and process for preparing the same |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0364582A4 (en) |
JP (1) | JPH01246469A (en) |
AU (1) | AU1999288A (en) |
GB (1) | GB2224756B (en) |
WO (1) | WO1989009304A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992017629A1 (en) * | 1991-04-05 | 1992-10-15 | Kemira Oy | A cellulose-based fibre |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0300041A4 (en) * | 1987-01-27 | 1990-09-12 | Kabushiki Kaisha J.F. Corporation | Fine particle-containing fibers and process for their production |
GB9314846D0 (en) * | 1993-07-16 | 1993-09-01 | Unilever Plc | Use of fabric treatment compositions |
AT413223B (en) * | 2002-12-11 | 2005-12-15 | Heinz Kornhoff | Production of expanded fibers from new generation raw materials for insulation applications where the fibers are expanded above their natural volume useful for insulation applications |
WO2015127326A1 (en) * | 2014-02-21 | 2015-08-27 | Cocona, Inc. | Incorporation of active particles into substrates |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5218999A (en) * | 1975-08-05 | 1977-02-12 | France Bed Co | Fire retarding agent for cotton wadding material * particulary raw cotton |
JPS6342970A (en) * | 1986-08-06 | 1988-02-24 | 健繊株式会社 | Production of fiber product |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE727401C (en) * | 1937-04-15 | 1942-11-02 | Zschimmer & Schwarz Chem Fab D | Process for matting textiles with pigment dispersions |
US2734834A (en) * | 1955-02-04 | 1956-02-14 | Coated pile fabric and method of making | |
US3053608A (en) * | 1959-04-17 | 1962-09-11 | Du Pont | Process of making wool-like cellulosic textile materials |
BE579810A (en) * | 1959-06-18 | |||
GB1422177A (en) * | 1973-05-08 | 1976-01-21 | Furukawa Electric Co Ltd | Method for producing a shaped article of a poly-1,3,4-oxadiazole resin having improved properties |
JPS5482500A (en) * | 1977-12-13 | 1979-06-30 | Mitsui Mining & Smelting Co | Special fiber |
EP0300041A4 (en) * | 1987-01-27 | 1990-09-12 | Kabushiki Kaisha J.F. Corporation | Fine particle-containing fibers and process for their production |
JPH05218999A (en) * | 1992-01-31 | 1993-08-27 | Nec Corp | Column conversion circuit |
JP2513413B2 (en) * | 1993-06-01 | 1996-07-03 | 日本電気株式会社 | Flux applicator |
-
1988
- 1988-03-28 JP JP63073712A patent/JPH01246469A/en active Granted
- 1988-07-06 WO PCT/JP1988/000676 patent/WO1989009304A1/en not_active Application Discontinuation
- 1988-07-06 EP EP19880906069 patent/EP0364582A4/en not_active Withdrawn
- 1988-07-06 AU AU19992/88A patent/AU1999288A/en not_active Abandoned
-
1989
- 1989-11-28 GB GB8926877A patent/GB2224756B/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5218999A (en) * | 1975-08-05 | 1977-02-12 | France Bed Co | Fire retarding agent for cotton wadding material * particulary raw cotton |
JPS6342970A (en) * | 1986-08-06 | 1988-02-24 | 健繊株式会社 | Production of fiber product |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992017629A1 (en) * | 1991-04-05 | 1992-10-15 | Kemira Oy | A cellulose-based fibre |
Also Published As
Publication number | Publication date |
---|---|
AU1999288A (en) | 1989-10-16 |
EP0364582A1 (en) | 1990-04-25 |
EP0364582A4 (en) | 1991-07-17 |
WO1989009304A1 (en) | 1989-10-05 |
JPH01246469A (en) | 1989-10-02 |
GB2224756B (en) | 1992-03-04 |
JPH0336954B2 (en) | 1991-06-04 |
GB8926877D0 (en) | 1990-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930706 |