EP0775228A1 - Procede de prevention de la decoloration par la lumiere de la laine et/ou d'autres fibres naturelles - Google Patents
Procede de prevention de la decoloration par la lumiere de la laine et/ou d'autres fibres naturellesInfo
- Publication number
- EP0775228A1 EP0775228A1 EP95927098A EP95927098A EP0775228A1 EP 0775228 A1 EP0775228 A1 EP 0775228A1 EP 95927098 A EP95927098 A EP 95927098A EP 95927098 A EP95927098 A EP 95927098A EP 0775228 A1 EP0775228 A1 EP 0775228A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wool
- chemical compound
- natural fibres
- photobleaching
- photoyellowing
- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/248—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
- D06M13/268—Sulfones
-
- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/248—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
- D06M13/256—Sulfonated compounds esters thereof, e.g. sultones
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/62—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds with sulfate, sulfonate, sulfenic or sulfinic groups
- D06P1/621—Compounds without nitrogen
- D06P1/622—Sulfonic acids or their salts
- D06P1/625—Aromatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/651—Compounds without nitrogen
- D06P1/65168—Sulfur-containing compounds
- D06P1/65193—Compounds containing sulfite or sulfone groups
Definitions
- This invention relates to a method for reducing or preventing bleaching which wool and other similar natural fibres undergo when the wool and/or natural fibres are first exposed to sunlight, such as behind glass.
- Photobleaching (sometimes called “first fade” or “red fade”) is seen as a rapid but limited on-tone fading of the natural creamy yellow of wool.
- Yellowness induced from processing eg, dry-heat, hydrothermal or alkali yellowing is also photobleachable.
- the bulk of the photobleaching occurs within 5-10 hours of the wool being exposed behind glass to midsummer sunlight and continues at a slower rate for another 40-50 hours.
- the colour change caused by photobleaching is a cause of a significant number of consumer complaints particularly in the case of carpets. It is noticeable when furniture is moved revealing a colour difference between the areas of carpet which have been exposed to sunlight and those which have been unexposed.
- the primary object of the present invention is to reduce or prevent this initial colour change in wool or wool blend furnishings which occurs on exposure to sunlight thus eliminating consumer complaints due to this cause.
- a method of treating natural fibres with a chemical compound the chemical compound undergoing photoyellowing at a similar rate to the rate at which the natural fibres undergo photobleaching, the chemical compound being applied in such an amount so the photoyellowing of the chemical compound on the natural fibres cancels out the photobleaching of the natural fibres.
- the preferred class of chemical compounds are known industrially as syntans and may consist of condensation products of aromatic sulphones and/or sulphonic acids. However other compounds which similarly undergo a photoyellowing at a similar rate to the photobleaching of wool or the like fibres are also suitable. These may include optical brightening agents, tannins, aromatic sulphonic acids etc.
- Figure 1 shows a graph of the change in yellowness of wool felts treated with an aromatic sulphonic acid condensation product over a period of 40 hours exposure to sunlight;
- Figure 2 shows a graph of the change in yellowness of whiter wool felts treated with an aromatic sulphonic acid condensation product over a period of 40 hours exposure to sunlight;
- Figure 3 shows a graph of the change in yellowness of treated and untreated yarns over a period of 40 hours exposure to sunlight
- Figure 4 shows a graph of the change in yellowness of treated and untreated yarns over a period of 40 hours exposure to sunlight.
- Yellowness values were measured using a Hunterlab Spectrocolorimeter using a 2° observer and illuminant C before and after exposure to 40 hours midsummer sunlight (Christchurch, NZ) .
- the treatment was applied during the dyeing of a commercial production yarn batch of two tonnes.
- the dyeing was carried out in a longclose single stick hank dyeing machine using Sandolan MF dyes (Sandoz) at 0.8% .
- Sandolan MF dyes Sandolan MF dyes
- HAS hydroylammonium sulphate
- an aromatic sulphonic acid were added at the beginning of the dyeing.
- the wool blend had a Y-Z value of 4.6. Samples from this treated batch as well as untreated samples from a previously dyed batch and the untreated, undyed wool were exposed behind 2 mm picture glass to mid-summer sunlight (Christchurch, NZ).
- the treatment was applied during commercial loose stock dyeing to a 2.8 tonne batch of wool with an initial Y-Z value of 3.0.
- Dyeings consisted of 1 2 lots each of 235 kg dyed with 2: 1 premetallised dyes to a light beige shade (0.01 3% dye) .
- the treatment was applied with other dyeing auxiliaries included 1 % HAS.
- the level of the aromatic sulphonic acid was 0.4%.
- the 1 2 dyeings were blended and processed into yarn which received a scour in a 5 bowl tape scour. This was followed by another 5 bowl chemical setting treatment using 10 g/L of sodium metabisulphite.
- the yarn was similarly exposed behind 2 mm picture glass to mid-summer sunlight for 40 hours.
- This example shows the treatment is fast to tapescouring and chemical setting if applied during dyeing.
- the wool can be treated during scouring, at the dyeing stage or on a continuous carpet processing line.
- the treatment can be applied to loose wool, wool yarn, wool fabric or carpet.
- the level of compound applied depends on the initial yellowness of the wool and the dyestuffs used but can be adjusted so that there is little or no colour change due to photobleaching behind glass.
- the addition of 1 -2% of hydroxylammonium sulphate (HAS) with the dyeing auxiliaries significantly reduces dyebath yellowing and hence reduces the required amount of syntan compound. For this reason it is recommended that 1 -2% HAS be used in conjunction with the syntan compound.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Coloring (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ26419994 | 1994-08-08 | ||
NZ26419994 | 1994-08-08 | ||
PCT/NZ1995/000070 WO1996005357A1 (fr) | 1994-08-08 | 1995-08-08 | Procede de prevention de la decoloration par la lumiere de la laine et/ou d'autres fibres naturelles |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0775228A1 true EP0775228A1 (fr) | 1997-05-28 |
EP0775228A4 EP0775228A4 (fr) | 1998-05-27 |
EP0775228B1 EP0775228B1 (fr) | 2001-02-21 |
Family
ID=19924897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95927098A Expired - Lifetime EP0775228B1 (fr) | 1994-08-08 | 1995-08-08 | Prevention de la decoloration par la lumiere de la laine et/ou d'autres fibres naturelles |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0775228B1 (fr) |
JP (1) | JPH10504070A (fr) |
AT (1) | ATE199269T1 (fr) |
AU (1) | AU684991B2 (fr) |
DE (1) | DE69520146T2 (fr) |
WO (1) | WO1996005357A1 (fr) |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3683013A (en) * | 1969-02-27 | 1972-08-08 | Bayer Ag | Compounds containing sulphonic acid groups |
GB1377218A (en) * | 1970-11-27 | 1974-12-11 | Sandoz Ltd | Process for the production of sulphones- the sulphones and their application as dyeing assistants and tanning agents |
US3930795A (en) * | 1972-09-08 | 1976-01-06 | Hoechst Aktiengesellschaft | Process for the level dyeing of wool |
FR2398835A1 (fr) * | 1977-07-28 | 1979-02-23 | Protex Manuf Prod Chimiq | Agents fixateurs pour l'amelioration des solidites des teintures et impressions sur polyamides |
US4217103A (en) * | 1977-09-24 | 1980-08-12 | Bayer Aktiengesellschaft | Dyestuff formulations containing salts of diaryl ether sulfonic acids |
US4270236A (en) * | 1971-11-09 | 1981-06-02 | Ciba-Geigy Corporation | Process for the dyeing of fibre material |
US4295852A (en) * | 1979-11-08 | 1981-10-20 | Bayer Aktiengesellschaft | Process for dyeing polyamide fibres |
US5207802A (en) * | 1989-08-25 | 1993-05-04 | Sandoz Ltd. | Sulpho group-containing aromatic compounds, their production and use as dispersants or levelling agents in dyeing textiles or tanning leather |
US5240465A (en) * | 1990-06-09 | 1993-08-31 | Sandoz Ltd. | Process for reactive dyeing a cellulose-containing textile material with anionic dyeing assistant as levelling agent |
US5250079A (en) * | 1989-08-25 | 1993-10-05 | Sandoz Ltd. | Process for the treatment of polyamide or leather substrates with sulpho group-containing aromatic compounds, compositions containing such compounds and their production |
US5350422A (en) * | 1992-02-05 | 1994-09-27 | Imperial Chemical Industries, Plc | Process for improving the fixation of dyes on materials containing amide groups |
US5428117A (en) * | 1993-10-18 | 1995-06-27 | Interface, Inc. | Treatment for imparting stain resistance to polyamide substrates and resulting stain resistant materials |
EP0685589A2 (fr) * | 1994-05-30 | 1995-12-06 | Bayer Ag | Procédé de prétraitement de fibres naturelles |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1230145A (fr) * | 1968-07-08 | 1971-04-28 | ||
US4668235A (en) * | 1982-12-07 | 1987-05-26 | The Commonwealth Of Australia Commonwealth Scientific & Industrial Research Organization | Use of substituted 2-(2-hydroxyaryl)-2H-benzotriazolesulfonates as photostabilizing agents for natural synthetic fibres |
GB2186004A (en) * | 1986-01-30 | 1987-08-05 | Wool Dev Int | Reducing photoyellowing |
-
1995
- 1995-08-08 AU AU31231/95A patent/AU684991B2/en not_active Expired
- 1995-08-08 DE DE69520146T patent/DE69520146T2/de not_active Expired - Fee Related
- 1995-08-08 EP EP95927098A patent/EP0775228B1/fr not_active Expired - Lifetime
- 1995-08-08 WO PCT/NZ1995/000070 patent/WO1996005357A1/fr active IP Right Grant
- 1995-08-08 JP JP8507216A patent/JPH10504070A/ja active Pending
- 1995-08-08 AT AT95927098T patent/ATE199269T1/de not_active IP Right Cessation
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3683013A (en) * | 1969-02-27 | 1972-08-08 | Bayer Ag | Compounds containing sulphonic acid groups |
GB1377218A (en) * | 1970-11-27 | 1974-12-11 | Sandoz Ltd | Process for the production of sulphones- the sulphones and their application as dyeing assistants and tanning agents |
US4270236A (en) * | 1971-11-09 | 1981-06-02 | Ciba-Geigy Corporation | Process for the dyeing of fibre material |
US3930795A (en) * | 1972-09-08 | 1976-01-06 | Hoechst Aktiengesellschaft | Process for the level dyeing of wool |
FR2398835A1 (fr) * | 1977-07-28 | 1979-02-23 | Protex Manuf Prod Chimiq | Agents fixateurs pour l'amelioration des solidites des teintures et impressions sur polyamides |
US4217103A (en) * | 1977-09-24 | 1980-08-12 | Bayer Aktiengesellschaft | Dyestuff formulations containing salts of diaryl ether sulfonic acids |
US4295852A (en) * | 1979-11-08 | 1981-10-20 | Bayer Aktiengesellschaft | Process for dyeing polyamide fibres |
US5207802A (en) * | 1989-08-25 | 1993-05-04 | Sandoz Ltd. | Sulpho group-containing aromatic compounds, their production and use as dispersants or levelling agents in dyeing textiles or tanning leather |
US5250079A (en) * | 1989-08-25 | 1993-10-05 | Sandoz Ltd. | Process for the treatment of polyamide or leather substrates with sulpho group-containing aromatic compounds, compositions containing such compounds and their production |
US5240465A (en) * | 1990-06-09 | 1993-08-31 | Sandoz Ltd. | Process for reactive dyeing a cellulose-containing textile material with anionic dyeing assistant as levelling agent |
US5350422A (en) * | 1992-02-05 | 1994-09-27 | Imperial Chemical Industries, Plc | Process for improving the fixation of dyes on materials containing amide groups |
US5428117A (en) * | 1993-10-18 | 1995-06-27 | Interface, Inc. | Treatment for imparting stain resistance to polyamide substrates and resulting stain resistant materials |
EP0685589A2 (fr) * | 1994-05-30 | 1995-12-06 | Bayer Ag | Procédé de prétraitement de fibres naturelles |
Non-Patent Citations (1)
Title |
---|
See also references of WO9605357A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0775228B1 (fr) | 2001-02-21 |
DE69520146T2 (de) | 2001-09-27 |
AU3123195A (en) | 1996-03-07 |
DE69520146D1 (de) | 2001-03-29 |
JPH10504070A (ja) | 1998-04-14 |
AU684991B2 (en) | 1998-01-08 |
ATE199269T1 (de) | 2001-03-15 |
EP0775228A4 (fr) | 1998-05-27 |
WO1996005357A1 (fr) | 1996-02-22 |
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