EP0962581A1 - Amélioration de la stabilité à l'ozone des matériaux contenant du polyamide - Google Patents
Amélioration de la stabilité à l'ozone des matériaux contenant du polyamide Download PDFInfo
- Publication number
- EP0962581A1 EP0962581A1 EP99810454A EP99810454A EP0962581A1 EP 0962581 A1 EP0962581 A1 EP 0962581A1 EP 99810454 A EP99810454 A EP 99810454A EP 99810454 A EP99810454 A EP 99810454A EP 0962581 A1 EP0962581 A1 EP 0962581A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- polyamide
- tannin
- und
- use according
- dye
- 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.)
- Withdrawn
Links
- 239000004952 Polyamide Substances 0.000 title claims abstract description 54
- 229920002647 polyamide Polymers 0.000 title claims abstract description 54
- 239000000463 material Substances 0.000 title claims abstract description 29
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229920001864 tannin Polymers 0.000 claims abstract description 48
- 235000018553 tannin Nutrition 0.000 claims abstract description 48
- 239000001648 tannin Substances 0.000 claims abstract description 48
- 239000002657 fibrous material Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000004043 dyeing Methods 0.000 claims description 7
- -1 polypropylene Polymers 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 210000002268 wool Anatomy 0.000 claims description 2
- 238000002203 pretreatment Methods 0.000 claims 1
- 238000009987 spinning Methods 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 49
- 239000000975 dye Substances 0.000 description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000000243 solution Substances 0.000 description 12
- 239000007864 aqueous solution Substances 0.000 description 9
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 7
- 229920002292 Nylon 6 Polymers 0.000 description 7
- 239000000460 chlorine Substances 0.000 description 7
- 229910052801 chlorine Inorganic materials 0.000 description 7
- 239000002562 thickening agent Substances 0.000 description 6
- 239000005695 Ammonium acetate Substances 0.000 description 4
- 229940043376 ammonium acetate Drugs 0.000 description 4
- 235000019257 ammonium acetate Nutrition 0.000 description 4
- 239000000872 buffer Substances 0.000 description 4
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000080 wetting agent Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000001000 anthraquinone dye Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 101100229963 Drosophila melanogaster grau gene Proteins 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 238000007200 Mander carbonylation reaction Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000009988 textile finishing Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229920000299 Nylon 12 Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000980 acid dye Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 239000000986 disperse dye Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010035 extrusion spinning Methods 0.000 description 1
- 229940074391 gallic acid Drugs 0.000 description 1
- 235000004515 gallic acid Nutrition 0.000 description 1
- 229920002824 gallotannin Polymers 0.000 description 1
- 238000009975 hank dyeing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000434 metal complex dye Substances 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- GRLPQNLYRHEGIJ-UHFFFAOYSA-J potassium aluminium sulfate Chemical compound [Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRLPQNLYRHEGIJ-UHFFFAOYSA-J 0.000 description 1
- IIQJBVZYLIIMND-UHFFFAOYSA-J potassium;antimony(3+);2,3-dihydroxybutanedioate Chemical compound [K+].[Sb+3].[O-]C(=O)C(O)C(O)C([O-])=O.[O-]C(=O)C(O)C(O)C([O-])=O IIQJBVZYLIIMND-UHFFFAOYSA-J 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000985 reactive dye Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009977 space dyeing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 238000009970 yarn dyeing Methods 0.000 description 1
Classifications
-
- 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
- D06P1/65106—Oxygen-containing compounds
- D06P1/65118—Compounds containing hydroxyl groups
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
-
- 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
- D06M13/10—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 oxygen
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
- D06M13/238—Tannins, e.g. gallotannic acids
-
- 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
- D06P1/653—Nitrogen-free carboxylic acids or their salts
-
- 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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
-
- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
Definitions
- the object of the present invention relates to the use of tannin for Improvement of the ozone fastness of colored and undyed polyamide-containing material.
- Dyed and undyed polyamide-containing material such as polyamide fiber material
- Dyed and undyed polyamide-containing material is known to be sensitive to environmental influences, e.g. Light, heat or Ozone exposure, and usually must be stabilized against it.
- the present invention thus relates to the use of tannin for improvement the ozone fastness of colored and undyed polyamide-containing material, which characterized in that tannin is applied to the polyamide-containing material, or incorporated into the polyamide-containing material.
- tannin is understood to mean a class of natural polyphenols of very diverse composition, which are structurally derived from 3,4,5-trihydroxybenzoic acid (so-called gallic acid).
- gallic acid 3,4,5-trihydroxybenzoic acid
- gallotannins compounds of the formula wherein R independently of one another is a radical of the formula and or wherein n is a number 0, 1 or 2.
- the tannins as natural substances are generally in the form of mixtures. All commercially available tannins can be used for the use according to the invention are used, advantageously those with a molecular weight between 900 and 3500.
- Tannin is advantageously in shape when treating polyamide-containing material an aqueous stock solution.
- the tannin content in this solution can be in fluctuate over a wide range and is preferably between 10 and 50% by weight, in particular between 15 and 40% by weight, especially between 20 and 35% by weight on the total weight of the solution.
- the aqueous solution can also contain other auxiliaries, e.g. small amounts of an aliphatic organic acid, e.g. Acetic acid, for prevention the oxidation.
- auxiliaries e.g. small amounts of an aliphatic organic acid, e.g. Acetic acid, for prevention the oxidation.
- aqueous tannin solution can also e.g. Wetting agents such as Isopropanol, and complexing agents such as Potassium antimony tartrate or aluminum potassium sulphate, as well contain other additives common in the textile finishing industry.
- Wetting agents such as Isopropanol
- complexing agents such as Potassium antimony tartrate or aluminum potassium sulphate
- Tannin can be applied to the polyamide-containing material by all methods customary in the textile finishing industry, for example in a continuous or discontinuous method, or in a printing method such as, for example, spraying, rotary or planographic printing.
- the liquor ratio can be chosen in a wide range, for example 1: 4 to 1: 100, preferably 1: 6 to 1:50.
- the liquor will be applied to the polyamide-containing material, for example by padding or splashing.
- Tannin or the aqueous tannin solution can be applied to the polyamide-containing material to be treated in any treatment step, for example from a pretreatment or aftertreatment liquor, or before, during or after a dyeing process from the dye bath.
- tannin can also be used as an additive in the polyamide-containing material before extrusion Spinning mass can be added.
- the amount of tannin used is between 0.5 and 10% by weight, in particular between 2 and 6 wt .-%, especially between 3 and 4 wt .-% based on the total weight of the treating polyamide-containing material.
- Tannin can be applied to the polyamide-containing material within a wide pH range, preferably at pH values between 2 and 8, particularly preferably at pH values between 5 and 6. If tannin is applied to the polyamide-containing material before, during or after a dyeing process from a dye bath, this takes place at the temperatures customary for dyeing polyamide. Tannin is generally applied to the colored polyamide-containing material from a post-treatment liquor at a temperature between 50 and 100 ° C., preferably between 60 and 90 ° C.
- the material to be treated contains polyamide for the use according to the invention especially a polyamide fiber material for use.
- the polyamide Fiber material can be made entirely of polyamide, e.g. made of polyamide 6, polyamide 6.6, polyamide 12 or made of modified polyamide, e.g. made of basic paintable polyamide, or consist of blends of differently modified polyamide types, or as blended fabrics with e.g. Polyester, polypropylene, polyurethane, polyacrylic or wool are present.
- the polyamide-containing fiber material can be in a wide variety of processing forms, such as. as fiber, taffeta, fabric, knitted fabric, fleece and preferably as yarn and Carpet.
- the application of the method according to the invention to colored ones is preferred Polyamide fiber material, in particular with at least one blue-coloring dye dyed polyamide fiber material, preferably with at least one anthraquinone dye dyed polyamide fiber material, the tannin before, during or after the Coloring can be applied.
- the anthraquinone dye comes from e.g. out Anthraquinone dyes known from the Color Index Third Edition, in particular e.g. under C.l. Acid Blue specified dyes, e.g. those with the C.I.
- Constitution Number 58800, 61125, 62055, 61530, 61560, 62125, 62130, 63000, 63010, 62085, 62095, 62145, 62135, 63315, 62005, 62045, 63330, 61585, 64515, 62110, 6215564005, 61135, 62075, 62070, 61130.
- the polyamide-containing material in is also suitable for the use according to the invention Form of a dope.
- tannin advantageously becomes pure, powdery Form of the dope added before extrusion. The same applies to the amount of tannin the areas and preferences indicated above.
- the process according to the invention is carried out, for example, by applying tannin from a dyeing liquor to the polyamide-containing fiber material and then fixing it by heat treatment.
- All dyes suitable for dyeing polyamide such as acid or metal complex dyes, such as 1: 2 chromium, 1: 2 cobalt and Cu complex dyes, or disperse or reactive dyes can be used as dyes. Examples of such dyes are described in Color Index, 3rd edition, volume 4.
- the polyamide-containing material treated according to the invention with tannin has good general fastness properties on; it has e.g. good wet fastness, very good chlorine fastness, and is particularly characterized by high heat and ozone stability.
- Example 3 (carpet and yarn printing, space dyeing)
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Coloring (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP99810454A EP0962581A1 (fr) | 1998-06-02 | 1999-05-26 | Amélioration de la stabilité à l'ozone des matériaux contenant du polyamide |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98810506 | 1998-06-02 | ||
| EP98810506 | 1998-06-02 | ||
| EP99810454A EP0962581A1 (fr) | 1998-06-02 | 1999-05-26 | Amélioration de la stabilité à l'ozone des matériaux contenant du polyamide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0962581A1 true EP0962581A1 (fr) | 1999-12-08 |
Family
ID=26151934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99810454A Withdrawn EP0962581A1 (fr) | 1998-06-02 | 1999-05-26 | Amélioration de la stabilité à l'ozone des matériaux contenant du polyamide |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP0962581A1 (fr) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2317728A (en) * | 1941-12-06 | 1943-04-27 | Du Pont | Sizing synthetic linear polyamide textiles |
| FR1124826A (fr) * | 1954-05-24 | 1956-10-18 | Onderzoekings Inst Res | Procédé pour rendre infusibles des produits tels que fils, fibres, pellicules, feuilles et similaires en polymères thermoplastiques synthétiques linéaires, et produits rendus infusibles par ce procédé |
| DE1126354B (de) * | 1954-04-29 | 1962-03-29 | Hoechst Ag | Verfahren zur Verbesserung der Eigenschaften von heissverstreckten Faeden aus polymerem ªŠ-Caprolactam |
| GB1254541A (en) * | 1968-01-29 | 1971-11-24 | Courtaulds Ltd | Dyeing process |
| GB1464866A (en) * | 1973-08-21 | 1977-02-16 | Ici Ltd | Coloration process |
| JPS5266720A (en) * | 1975-11-21 | 1977-06-02 | Teijin Ltd | Production of polyamide filament yarns |
| JPS5653291A (en) * | 1979-10-03 | 1981-05-12 | Nikka Chemical Ind Co Ltd | Light fastness increasing treatment of dyed article containing polyamide synthetic fiber |
| US4304568A (en) * | 1980-05-19 | 1981-12-08 | Akzona Incorporated | Minimizing ozone fading in dyed polyamides by treating same with substituted piperidine thioureas |
| JPH03287873A (ja) * | 1990-04-04 | 1991-12-18 | Seiren Co Ltd | 着色繊維布帛の耐塩素性向上方法 |
| EP0639664A1 (fr) * | 1993-08-16 | 1995-02-22 | Basf Corporation | Fibres de nylon avec solidité au lavage et stabilité thermique améliorées |
| WO1995021955A2 (fr) * | 1994-02-02 | 1995-08-17 | N.V. Denderland-Martin | Procede permettant d'ameliorer la resistance aux taches des fibres et de produits derives |
| JPH08112376A (ja) * | 1994-10-14 | 1996-05-07 | Ube Ind Ltd | ラケット用ガット |
-
1999
- 1999-05-26 EP EP99810454A patent/EP0962581A1/fr not_active Withdrawn
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2317728A (en) * | 1941-12-06 | 1943-04-27 | Du Pont | Sizing synthetic linear polyamide textiles |
| DE1126354B (de) * | 1954-04-29 | 1962-03-29 | Hoechst Ag | Verfahren zur Verbesserung der Eigenschaften von heissverstreckten Faeden aus polymerem ªŠ-Caprolactam |
| FR1124826A (fr) * | 1954-05-24 | 1956-10-18 | Onderzoekings Inst Res | Procédé pour rendre infusibles des produits tels que fils, fibres, pellicules, feuilles et similaires en polymères thermoplastiques synthétiques linéaires, et produits rendus infusibles par ce procédé |
| GB1254541A (en) * | 1968-01-29 | 1971-11-24 | Courtaulds Ltd | Dyeing process |
| GB1464866A (en) * | 1973-08-21 | 1977-02-16 | Ici Ltd | Coloration process |
| JPS5266720A (en) * | 1975-11-21 | 1977-06-02 | Teijin Ltd | Production of polyamide filament yarns |
| JPS5653291A (en) * | 1979-10-03 | 1981-05-12 | Nikka Chemical Ind Co Ltd | Light fastness increasing treatment of dyed article containing polyamide synthetic fiber |
| US4304568A (en) * | 1980-05-19 | 1981-12-08 | Akzona Incorporated | Minimizing ozone fading in dyed polyamides by treating same with substituted piperidine thioureas |
| JPH03287873A (ja) * | 1990-04-04 | 1991-12-18 | Seiren Co Ltd | 着色繊維布帛の耐塩素性向上方法 |
| EP0639664A1 (fr) * | 1993-08-16 | 1995-02-22 | Basf Corporation | Fibres de nylon avec solidité au lavage et stabilité thermique améliorées |
| WO1995021955A2 (fr) * | 1994-02-02 | 1995-08-17 | N.V. Denderland-Martin | Procede permettant d'ameliorer la resistance aux taches des fibres et de produits derives |
| JPH08112376A (ja) * | 1994-10-14 | 1996-05-07 | Ube Ind Ltd | ラケット用ガット |
Non-Patent Citations (4)
| Title |
|---|
| DATABASE WPI Section Ch Week 7729, Derwent World Patents Index; Class A23, AN 77-50869Y, XP002082664 * |
| DATABASE WPI Section Ch Week 8126, Derwent World Patents Index; Class A23, AN 81-46900D, XP002082666 * |
| DATABASE WPI Section Ch Week 9206, Derwent World Patents Index; Class A35, AN 92-044607, XP002082667 * |
| DATABASE WPI Section Ch Week 9628, Derwent World Patents Index; Class A86, AN 96-271655, XP002082665 * |
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