EP1543191B1 - Finish composition for treating yarns - Google Patents
Finish composition for treating yarns Download PDFInfo
- Publication number
- EP1543191B1 EP1543191B1 EP02727423A EP02727423A EP1543191B1 EP 1543191 B1 EP1543191 B1 EP 1543191B1 EP 02727423 A EP02727423 A EP 02727423A EP 02727423 A EP02727423 A EP 02727423A EP 1543191 B1 EP1543191 B1 EP 1543191B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wax
- silicone oil
- yarn
- amount
- finish
- 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 - Lifetime
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- 239000000203 mixture Substances 0.000 title claims abstract description 30
- 229920002545 silicone oil Polymers 0.000 claims abstract description 62
- 239000000839 emulsion Substances 0.000 claims abstract description 30
- 239000004760 aramid Substances 0.000 claims abstract description 7
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 7
- 239000001993 wax Substances 0.000 claims description 55
- 238000000034 method Methods 0.000 claims description 12
- -1 polyethylene Polymers 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 235000013869 carnauba wax Nutrition 0.000 claims description 3
- 239000004203 carnauba wax Substances 0.000 claims description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 3
- 239000012170 montan wax Substances 0.000 claims description 3
- 235000013873 oxidized polyethylene wax Nutrition 0.000 claims description 3
- 239000004209 oxidized polyethylene wax Substances 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920000561 Twaron Polymers 0.000 description 16
- 239000004762 twaron Substances 0.000 description 13
- 239000004094 surface-active agent Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 241001093575 Alma Species 0.000 description 3
- 241000408710 Hansa Species 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 229920004482 WACKER® Polymers 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004129 EU approved improving agent Substances 0.000 description 1
- 229920000271 Kevlar® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012169 petroleum derived wax Substances 0.000 description 1
- 235000019381 petroleum wax Nutrition 0.000 description 1
- 229920003366 poly(p-phenylene terephthalamide) Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
- D06M15/647—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing polyether sequences
-
- 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
- D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
-
- 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
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
-
- 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
-
- 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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
-
- 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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
-
- 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
- D06M7/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made of other substances with subsequent freeing of the treated goods from the treating medium, e.g. swelling, e.g. polyolefins
-
- 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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions
Definitions
- the invention pertains to a finish composition for treating yarns and to yarns comprising said finish composition.
- yarns are commonly treated with a finish or coating.
- Such treated yarns also called fibers or threads, may show improved breaking strength, coefficient of friction, wear, fatigue, antistatic properties, and the like.
- European patent application No. 0 474 467 to Griffin teaches a liquid composition comprising a silicone oil, a wax emulsion, and a silicone surfactant.
- This liquid composition can be applied to yarns.
- This composition can easily be applied using kiss roll method without corroding or otherwise destroying the application equipment.
- this composition does not lead to improved wear and fatigue properties.
- aqueous, dispersant-containing wax and polysiloxane dispersions are described to be suitable as finishing agents, in particular as highly permanent softeners and sewability improving agents, especially for colored goods.
- a dispersion having a polysiloxane:wax ratio ⁇ 1 was used to treat a single jersey cotton tricot fabric.
- the invention pertains to a finish composition for treating yarns comprising a mixture of silicone oil emulsion and a wax emulsion wherein the amount of silicone oil is 0.5 to 10 wt.%, the amount of wax is 1.5 to 25 wt.%, the total of silicone oil and wax is 2 to 35 wt.%, and the ratio silicone oil:wax is ⁇ 1. These wt.% are based on the total ingredients, including water, of the finish composition. It was found that these finish compositions, when applied on yarns, considerably improve their wear and fatigue properties. The invention therefore also pertains to yarns comprising the above-mentioned finish composition.
- the amount of silicone oil is 1 to 10 wt.%, the amount of wax is 3 to 25 wt.%, the total of silicone oil and wax is 4 to 35 wt.%, and the ratio silicone oil:wax is ⁇ 1. More preferably, the amount of silicone oil is 2 to 4 wt.%, the amount of wax is 6 to 12 wt.%, the total of silicone oil and wax is 8 to 16 wt.%.
- the silicone oil is emulsified in water.
- the silicone oil of the invention may be any suitable silicone oil that can be emulsified in water.
- the silicone oil has a viscosity of 1,000 to 1,000,000 centistokes at 25°C, more preferably 10,000 to 300,000 centistokes.
- Preferred silicone oils are polyalkylsiloxanes, polyetheralkylsiloxanes, and mixtures thereof.
- Polyalkylsiloxane emulsions are commercially available, for instance the polydimethylsiloxane emulsion Tego Emulsion HOTM (ex Hansa Textil Chemie GmbH).
- the silicone oil emulsion has a viscosity of 10 to 500 centistokes at 25°C.
- the wax component in the finish composition is not very critical, and in principle any suitable wax can be used, such as petroleum waxes, polyethylene waxes, Fischer-Tropsch waxes, and natural waxes.
- Preferred waxes are selected from paraffin wax, carnauba wax, montan wax, and oxidized polyethylene wax.
- the waxes are used in an emulsion in water comprising 10 to 80 wt.% of the wax, preferably 30-60 wt.%.
- the finish may comprise auxiliary compounds commonly present in finishes, such as surfactants.
- Suitable surfactants are silicone surfactants, for instance polydiorganosiloxane-polyoxyalkene copolymers, which are known in the art.
- the finish is applied onto the yarn in an amount of 4 to 50 wt.%, preferably between 4 and 35 wt.%, and more preferably between 8 and 16 wt.%.
- the finish can be used for a yarn selected from polyester yarn, polyamide yarn, polyurethane yarn, aramid yarn and polyethylene yarn Most preferably, the finish is applied onto aramid yarn.
- the most common aramid yarn is made of PPTA polymer and is available as Twaron® (ex Twaron Products), or less preferably, Kevlar® (ex DuPont).
- the finish is applied onto the yarn by methods known to a person of ordinary skill. A suitable method is, e.g., the application via a kiss roll, a finish bath, or a liquid applicator.
- the finish can be applied onto the yarn as a combined emulsion comprising both the wax and silicone oil emulsions, or in a two-step process wherein first the wax emulsion is applied onto the yarn and then dried, followed by the application of the silicone oil emulsion onto the yarn, optionally followed by a drying step.
- a finish according to the invention (F1), a finish for comparison (F2), and a finish according to Example 2 of EP 0 474 467 (F3, reference) were prepared using as the wax a 40 wt.% emulsion of Aquacer 533TM (ex BYK-Cera bv; W1) or a 48 wt.% emulsion of Rayolan CPNTM (ex Böhme; W2), and as the silicone oil a 40 wt.% emulsion of Hansa Lub HOTM (ex Hansa Textil Chemie GmbH; S1), pure Wacker AK50TM (ex Wacker; S2), or pure Silwet Surfactant L7602TM (ex Union Carbide; S3).
- Twaron® 1010, 1680 dtex (ex Twaron Products) yarn was treated with finishes F1 and F2 before entering a steam box, using a liquid applicator consisting of a ceramic pin and a dosing pump before the heating section.
- the finished yarn was heated at 200°C in the 10 m long steam box. Its residence time was 8 sec.
- the finishes were applied onto the yarn in amounts of 5 or 12 wt.%
- Finish F3 was rather unstable and had to be stirred before application. This finish was applied onto the same Twaron feed yarn using a ceramic pin and a laboratory dosage injector. The finished yarn was not dried in the steam box. The finish was applied onto the yarn in an amount of 5%.
- Finishes Fw and Fs were applied onto the yarn in the same manner as finishes F1 and F2, in an amount of 5 and 3 wt.%, respectively.
- Finish F4 was obtained by first applying 5 wt.% Fw onto the yarn and drying the yarn, followed by applying 3 wt.% Fs, after which the yarn was not dried further in the steam box. The total amount of finish on the yarn was 8 wt.%.
- the yarns were tested for their wet abrasion properties using the Flory test ( Flory et al., Abrasion Resistance of Polymeric Fibers in Marine Conditions, Proceedings 2nd International Conference on Polymers in a Marine Environment, London, 1989, pp. 197-204 ). Instead of three 25 mm pulleys, a 20 mm and a 35 mm top pulley, and a 20 mm lower pulley were used. The distance between the top pulleys was 10 cm instead of 14 cm. The tension weight was 40 mN/tex and the length of the strokes was 48 mm instead of 50 mm.
- the wet bending fatigue properties were determined in the Alma test ( Fig. I ).
- the yarn was cabled to a cord of 1680 dtex X 7, Z30.
- the cord having a theoretical cord diameter of 1.22 mm was fixed over three 40 mm pulleys according to the figure, and loaded with a weight of 10% of the initial cord breaking strength (21 kg).
- cords made of finished yarns obtained by the application of an emulsion comprising both silicone oil and wax leads to results comparable to those for cords made of yarns obtained in a two-step process with the application of a wax emulsion being followed by the application of a silicone oil emulsion (F5/F6).
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
- The invention pertains to a finish composition for treating yarns and to yarns comprising said finish composition.
- To improve their characteristics, yarns are commonly treated with a finish or coating. Such treated yarns, also called fibers or threads, may show improved breaking strength, coefficient of friction, wear, fatigue, antistatic properties, and the like.
- European patent application No.
0 474 467 to Griffin teaches a liquid composition comprising a silicone oil, a wax emulsion, and a silicone surfactant. This liquid composition can be applied to yarns. This composition can easily be applied using kiss roll method without corroding or otherwise destroying the application equipment. However, this composition does not lead to improved wear and fatigue properties. - In
US 5,503,755 aqueous, dispersant-containing wax and polysiloxane dispersions are described to be suitable as finishing agents, in particular as highly permanent softeners and sewability improving agents, especially for colored goods. For this purpose a dispersion having a polysiloxane:wax ratio <1 was used to treat a single jersey cotton tricot fabric. - There is a need to improve the wear and fatigue properties of yarns, preferably by applying a suitable finish. This need is felt especially when yarns are wet, as is usually the case in the offshore.and marine industry.
- The invention pertains to a finish composition for treating yarns comprising a mixture of silicone oil emulsion and a wax emulsion wherein the amount of silicone oil is 0.5 to 10 wt.%, the amount of wax is 1.5 to 25 wt.%, the total of silicone oil and wax is 2 to 35 wt.%, and the ratio silicone oil:wax is <1. These wt.% are based on the total ingredients, including water, of the finish composition. It was found that these finish compositions, when applied on yarns, considerably improve their wear and fatigue properties. The invention therefore also pertains to yarns comprising the above-mentioned finish composition.
- There are some striking differences between the composition of the instant invention and the composition disclosed in European patent application No.
0 474 467 . This patent application discloses the use of silicone oil, whereas in the present invention both the silicone oil and the wax are used in the form of an emulsion. Even more importantly, the unique amounts of silicone oil and wax and, more particularly, the ratio in which these are used are of importance for obtaining the beneficial effects of the presently claimed composition. Remarkably, it appears that the ratio silicone oil:wax must be <1. When this ratio is greater than 1, as is the case in European patent application No.0 474 467 , the wear and fatigue properties of the finished yarn are not improved. - Preferably, the amount of silicone oil is 1 to 10 wt.%, the amount of wax is 3 to 25 wt.%, the total of silicone oil and wax is 4 to 35 wt.%, and the ratio silicone oil:wax is <1. More preferably, the amount of silicone oil is 2 to 4 wt.%, the amount of wax is 6 to 12 wt.%, the total of silicone oil and wax is 8 to 16 wt.%.
- The silicone oil is emulsified in water. The silicone oil of the invention may be any suitable silicone oil that can be emulsified in water. Preferably, the silicone oil has a viscosity of 1,000 to 1,000,000 centistokes at 25°C, more preferably 10,000 to 300,000 centistokes. Preferred silicone oils are polyalkylsiloxanes, polyetheralkylsiloxanes, and mixtures thereof. Polyalkylsiloxane emulsions are commercially available, for instance the polydimethylsiloxane emulsion Tego Emulsion HO™ (ex Hansa Textil Chemie GmbH). Preferably, the silicone oil emulsion has a viscosity of 10 to 500 centistokes at 25°C.
- The wax component in the finish composition is not very critical, and in principle any suitable wax can be used, such as petroleum waxes, polyethylene waxes, Fischer-Tropsch waxes, and natural waxes. Preferred waxes are selected from paraffin wax, carnauba wax, montan wax, and oxidized polyethylene wax. The waxes are used in an emulsion in water comprising 10 to 80 wt.% of the wax, preferably 30-60 wt.%.
- The finish may comprise auxiliary compounds commonly present in finishes, such as surfactants. Suitable surfactants are silicone surfactants, for instance polydiorganosiloxane-polyoxyalkene copolymers, which are known in the art.
- The finish is applied onto the yarn in an amount of 4 to 50 wt.%, preferably between 4 and 35 wt.%, and more preferably between 8 and 16 wt.%.
The finish can be used for a yarn selected from polyester yarn, polyamide yarn, polyurethane yarn, aramid yarn and polyethylene yarn Most preferably, the finish is applied onto aramid yarn. The most common aramid yarn is made of PPTA polymer and is available as Twaron® (ex Twaron Products), or less preferably, Kevlar® (ex DuPont).
The finish is applied onto the yarn by methods known to a person of ordinary skill. A suitable method is, e.g., the application via a kiss roll, a finish bath, or a liquid applicator.
The finish can be applied onto the yarn as a combined emulsion comprising both the wax and silicone oil emulsions, or in a two-step process wherein first the wax emulsion is applied onto the yarn and then dried, followed by the application of the silicone oil emulsion onto the yarn, optionally followed by a drying step. - The following examples are presented to provide a more complete understanding of the invention. The specific techniques, conditions, materials, proportions, and reported data set forth to illustrate the principles of the invention are exemplary and should not be construed as limiting the scope of the invention.
- A finish according to the invention (F1), a finish for comparison (F2), and a finish according to Example 2 of
EP 0 474 467 (F3, reference) were prepared using as the wax a 40 wt.% emulsion of Aquacer 533™ (ex BYK-Cera bv; W1) or a 48 wt.% emulsion of Rayolan CPN™ (ex Böhme; W2), and as the silicone oil a 40 wt.% emulsion of Hansa Lub HO™ (ex Hansa Textil Chemie GmbH; S1), pure Wacker AK50™ (ex Wacker; S2), or pure Silwet Surfactant L7602™ (ex Union Carbide; S3). Further, a finish comprising the wax emulsion without the silicone oil emulsion (Fw) and a finish comprising the silicone oil emulsion without the wax emulsion (Fs) were used. These finishes are denoted in Table 1 (in parts of components other than water).Table 1 F1
inventionF2
comparisonF3
referenceFw Fs W1 75 20 100 W2 20 S1 25 80 100 S2 78 S3 2 - Twaron® 1010, 1680 dtex (ex Twaron Products) yarn was treated with finishes F1 and F2 before entering a steam box, using a liquid applicator consisting of a ceramic pin and a dosing pump before the heating section. The finished yarn was heated at 200°C in the 10 m long steam box. Its residence time was 8 sec. The finishes were applied onto the yarn in amounts of 5 or 12 wt.%
- Finish F3 was rather unstable and had to be stirred before application. This finish was applied onto the same Twaron feed yarn using a ceramic pin and a laboratory dosage injector. The finished yarn was not dried in the steam box. The finish was applied onto the yarn in an amount of 5%.
- Finishes Fw and Fs were applied onto the yarn in the same manner as finishes F1 and F2, in an amount of 5 and 3 wt.%, respectively.
- Finish F4 was obtained by first applying 5 wt.% Fw onto the yarn and drying the yarn, followed by applying 3 wt.% Fs, after which the yarn was not dried further in the steam box. The total amount of finish on the yarn was 8 wt.%.
- The yarns were tested for their wet abrasion properties using the Flory test (Flory et al., Abrasion Resistance of Polymeric Fibers in Marine Conditions, Proceedings 2nd International Conference on Polymers in a Marine Environment, London, 1989, pp. 197-204). Instead of three 25 mm pulleys, a 20 mm and a 35 mm top pulley, and a 20 mm lower pulley were used. The distance between the top pulleys was 10 cm instead of 14 cm. The tension weight was 40 mN/tex and the length of the strokes was 48 mm instead of 50 mm.
- The wet bending fatigue properties were determined in the Alma test (
Fig. I ). For this test the yarn was cabled to a cord of 1680dtex X 7, Z30. The cord having a theoretical cord diameter of 1.22 mm was fixed over three 40 mm pulleys according to the figure, and loaded with a weight of 10% of the initial cord breaking strength (21 kg). - The cord was continuously wetted with tap water. The three pulleys were moved from right to left and back again (1 return movement) with 35 return movements/min, leading to 35x2x3 = 210 bend changes/min. The number of bend changes before breakage of the cord was determined. The test was repeated 18 times and the mean number of bend changes is given as the Alma test. The results are denoted in Table 2.
Table 2 Flory test Alma Test Twaron yarn with finish F1 12 wt. % 4,800 156,000 Twaron yarn with finish F1 5 wt.% 3,000 57,000 Twaron yarn with finish F2 12 wt. % 3,200 102,700 Twaron yarn with finish F3 5 wt. % 400 22,400 Twaron yarn with finish Fw 5 wt. % 1,600 55,000 Twaron yarn with finish Fs 3 wt. % 870 not determined Twaron yarn with finish F4 8 wt. % 3,500 99,000 - It can be concluded that the use of silicone oil as such (F3) does not provide yarns with acceptable wet abrasion and wet bending fatigue properties. Using silicone oil emulsions improves both wear and fatigue even when the ratio silicone oil:wax is greater than 1 (F2). Considerable further improvement has been obtained when the ratio silicone oil:wax is less than 1 (F1).
- Analogous to Fw, Fs, and F4 of Example 1, the following finishes F5-F7 were prepared (Table 3):
Table 3 F5
wax onlyF6
silicone oil onlyF7
inventionAquacer 535™ (30%)* 100 79.2 Hans Lub LZ™ (38%)** 100 20.8 * ex BYK-Cera bv
** ex Hansa Textil Chemie GmbH - According to Example, 1 Flory tests were performed with cords made of Twaron® yarn. The results are depicted in Table 4.
Table 4 Flory test Twaron yarn with finish F5 3 wt.% 740 Twaron yarn with finish F5 3 wt.% and F6 1 wt.% 1,200 Twaron yarn with finish F7 4 wt.% 1,300 - It can be concluded that cords made of finished yarns obtained by the application of an emulsion comprising both silicone oil and wax (F7) leads to results comparable to those for cords made of yarns obtained in a two-step process with the application of a wax emulsion being followed by the application of a silicone oil emulsion (F5/F6).
Claims (15)
- A method for treating a yarn selected from polyester yarn, polyamide yarn, polyurethane yarn, aramid yarn, and polyethylene yarn with an aqueous finish composition, comprising a mixture of silicone oil emulsion and a wax emulsion wherein the amount of silicone oil is 0.5 to 10 wt.%, the amount of wax is 1.5 to 25 wt.%, the total of silicone oil and wax is 2 to 35 wt.%, and the ratio silicone oil:wax is <1.
- The method according to claim 1 wherein the amount of silicone oil is 1 to 10 wt.%, the amount of wax is 3 to 25 wt.%, the total of silicone oil and wax is 4 to 35 wt.%, and the ratio silicone oil:wax is <1.
- The method according to claim 1 wherein the amount of silicone oil is 2 to 4 wt.%, the amount of wax is 6 to 12 wt.%, the total of silicone oil and wax is 8 to 16 wt.%, and the ratio silicone oil:wax is <1.
- The method according to any one of claims 1-3 wherein the silicone oil has a viscosity of 1,000 to 1,000,000 centistokes at 25 °C.
- The method according to any one of claims 1-4 wherein the silicone oil is selected from polyalkylsiloxane, polyetheralkylsiloxane, and a mixture thereof.
- The method according to claim 4 wherein the silicone oil is a polydimethylsiloxane.
- The method according to any one of claims 1-6 wherein the wax is selected from paraffin wax, carnauba wax, montan wax, and oxidized polyethylene wax.
- A yarn selected from polyester yarn, polyamide yarn, polyurethane yarn, aramid yarn, and polyethylene yarn, obtainable by treating the yarn with 4 to 50 wt.% of an aqueous finish composition for treating yarns comprising a mixture of silicone oil emulsion and a wax emulsion wherein the amount of silicone oil is 0.5 to 10 wt.%, the amount of wax is 1.5 to 25 wt.%, the total of silicone oil and wax is 2 to 35 wt.%, and the ratio silicone oil:wax is <1.
- The yarn of claim 8 comprising the finish composition wherein the amount of silicone oil is 1 to 10 wt.%, the amount of wax is 3 to 25 wt.%, the total of silicone oil and wax is 4 to 35 wt.%, and the ratio silicone oil:wax is <1.
- The yarn of claim 8 or 9 comprising applying the finish wherein the amount of silicone oil is 2 to 4 wt.%, the amount of wax is 6 to 12 wt.%, the total of silicone oil and wax is 8 to 16 wt.%, and the ratio silicone oil:wax is <1.
- The yarn of any one of claims 8-10 comprising applying the finish composition wherein the silicone oil has a viscosity of 1,000 to 1,000,000 centistokes at 25 °C.
- The yarn of any one of claims 8-11 comprising applying the finish composition wherein the silicone oil is selected from polyalkylsiloxane, polyetheralkylsiloxane, and a mixture thereof.
- The yarn of any one of claims 8-12 comprising the finish composition wherein the silicone oil is a polydimethylsiloxane.
- The yarn of any one of claims 8-13 comprising the finish composition wherein the wax is selected from paraffin wax, carnauba wax, montan wax, and oxidized polyethylene wax.
- The yarn of any one of claims 8-14 wherein the yarn is an aramid yarn.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CY20111101192T CY1112612T1 (en) | 2002-03-15 | 2011-12-02 | FINISHING COMPOSITION FOR Yarn Treatment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2002/002921 WO2003078726A1 (en) | 2002-03-15 | 2002-03-15 | Finish composition for treating yarns |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1543191A1 EP1543191A1 (en) | 2005-06-22 |
EP1543191B1 true EP1543191B1 (en) | 2011-10-12 |
Family
ID=27838001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02727423A Expired - Lifetime EP1543191B1 (en) | 2002-03-15 | 2002-03-15 | Finish composition for treating yarns |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1543191B1 (en) |
AT (1) | ATE528438T1 (en) |
AU (1) | AU2002257669A1 (en) |
CY (1) | CY1112612T1 (en) |
DK (1) | DK1543191T3 (en) |
ES (1) | ES2373643T3 (en) |
HK (1) | HK1082777A1 (en) |
PT (1) | PT1543191E (en) |
WO (1) | WO2003078726A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013209170A1 (en) | 2013-05-17 | 2013-09-12 | Cht R. Beitlich Gmbh | Composition useful e.g. for waterproofing of absorbent materials, comprises silicone polymer, wax and/or fatty acid esters, aminoplast, urea derivatives and/or melamine derivatives, solvent, crosslinking agent, and dispersing auxiliaries |
DE102015204736A1 (en) | 2015-03-16 | 2016-09-22 | Cht R. Beitlich Gmbh | Fluorine-free hydrophobing |
DE102017202827A1 (en) | 2017-02-22 | 2018-08-23 | Cht R. Beitlich Gmbh | Aqueous formulation for improving abrasion resistance |
CN113588705A (en) * | 2021-08-05 | 2021-11-02 | 肇庆市高要晋益纤维有限公司 | Process for accurately judging texture of colored yarn |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3853607A (en) * | 1973-10-18 | 1974-12-10 | Du Pont | Synthetic filaments coated with a lubricating finish |
DE2535768A1 (en) * | 1975-08-11 | 1977-02-24 | Wacker Chemie Gmbh | LUBRICANTS FOR ORGANIC FIBERS AND METHOD FOR MANUFACTURING SUCH LUBRICANTS |
US4767646A (en) * | 1985-10-24 | 1988-08-30 | Allied Corporation | Wet abrasion resistant yarn and cordage |
EP0314128A1 (en) * | 1987-10-30 | 1989-05-03 | HENKEL CORPORATION (a Delaware corp.) | Fiber lubricants containing high molecular weight polyacrylamidoalkane sulfonic acid additives |
JPH04281072A (en) * | 1990-09-04 | 1992-10-06 | Dow Corning Corp | Thread treating composition |
CH685392A5 (en) * | 1992-09-26 | 1995-06-30 | Sandoz Ag | Aqueous wax and silicone dispersions, and processes for their preparation. |
-
2002
- 2002-03-15 PT PT02727423T patent/PT1543191E/en unknown
- 2002-03-15 AT AT02727423T patent/ATE528438T1/en active
- 2002-03-15 DK DK02727423.2T patent/DK1543191T3/en active
- 2002-03-15 EP EP02727423A patent/EP1543191B1/en not_active Expired - Lifetime
- 2002-03-15 WO PCT/EP2002/002921 patent/WO2003078726A1/en not_active Application Discontinuation
- 2002-03-15 AU AU2002257669A patent/AU2002257669A1/en not_active Abandoned
- 2002-03-15 ES ES02727423T patent/ES2373643T3/en not_active Expired - Lifetime
-
2005
- 2005-12-22 HK HK05111894.9A patent/HK1082777A1/en not_active IP Right Cessation
-
2011
- 2011-12-02 CY CY20111101192T patent/CY1112612T1/en unknown
Also Published As
Publication number | Publication date |
---|---|
HK1082777A1 (en) | 2006-06-16 |
ES2373643T3 (en) | 2012-02-07 |
EP1543191A1 (en) | 2005-06-22 |
CY1112612T1 (en) | 2016-02-10 |
DK1543191T3 (en) | 2012-01-02 |
AU2002257669A1 (en) | 2003-09-29 |
ATE528438T1 (en) | 2011-10-15 |
WO2003078726A1 (en) | 2003-09-25 |
PT1543191E (en) | 2012-01-03 |
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