Classifications

• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
  • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
  • D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration, distillation
  • D06B23/205—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration, distillation for adding or mixing constituents of the treating material

Definitions

• the present invention generally relates to an in-line process for continuously preparing textile finish compositions and treating textiles therewith. More particularly,
• having a specific formulation can be prepared on an as-needed basis for 10 treatment of textile materials.
• Finishing compositions are generally applied to textile fibers to improve their
• the fiber producer to manufacture the product, and enable the fiber producer's customers
• spin finishes are usually applied to a substrate.
• textile fibers after extrusion may be applied to yarn prior to
• finishes provide lubrication, prevent static build-up, and afford sufficient cohesion between adjacent fibers.
• the application of such finishes is generally accomplished by contacting a fiber
• additives such as wetting agents, antioxidants, biocides, anticorrosion agents, pH control
• Finishemulsifiers are also commonly found in such finish mixtures. Finishes, as well as emulsifiers are also commonly found in such finish mixtures. Finish
• compositions can also be applied to tow, yarn, or cut staple by spraying.
• Satisfactory finish compositions must fulfill a number of requirements in addition to providing desired lubricating and antistatic effects. For example, they should be easy
• treated fibers are subjected, they should not leave residues on surfaces or cause toxic
• Patent 4,027,617 discloses a finish for acrylic fiber consisting of an alkyl phenol
• composition for synthetic fibers such as polyamides and polyesters, consisting essentially
• a lubricant selected from a mono- or diester of an aliphatic carboxylic acid with a monohydric aliphatic alcohol, or a refined mineral, animal or vegetable oil; an emulsifier
• the reactive hydroxyl sites of the emulsifiers contain deactivating and cap groups
• composition to a finish for the texturing of partially oriented polyester yarn wherein the composition
• the oil phase comprises a lubricant
• mineral oils selected from mineral oils, alkyl esters, glycerides, silicone oils, waxes, paraffins,
• esters include soaps, glycerol fatty acid esters, sorbitan and
• polyoxyethylene sorbitan esters polyglycerol esters, polyoxyethylene esters or ethers
• polyoxyethylene polyol ether esters polyoxyethylene amines and amides, partial polyol
• ester ethoxylates sulfated vegetable oils, sulfonated hydrocarbons, and the like.
• the purpose of a fiber finish is to provide fiber, to metal lubrication and fiber to
• Another example involves a slit film or ribbon type yarn intended for woven
• the raw textiles finish components must first be
• auxiliary components such as emulsifiers, anti-static agents, etc.
• compositions This process involves introducing the raw textile finish components into
• textile finish composition must oftentimes be prepared in large quantities for future
• It is therefore a main object of the present invention is to provide a process for
• the present invention is generally directed to a process and apparatus for treating
• compositions prior to their application onto textile substrates Prior to their application onto textile substrates.
• the present invention provides a process and apparatus for
• first and second textile treatment component are conveyed into the mixing apparatus and through the interfacial surface generator, e.g. by means of suitable pumps or other conveying means, the first and second textile treatment components are blended within the
• the textile treatment components will be immiscible with one another.
• water may be utilized as one of the treatment components with the other
• textile treatment component being substantially insoluble in water.
• a control unit for automatically operating the mixing apparatus.
• the control unit may be
• One or more pumps are
• the pumps may be metering
• the heating means may be an electric heater disposed in-line with the
• At least one mass flow meter may be provided for measuring the flow rate of
• the first and second textile treatment components and at least one temperature sensor may
• the system may be equipped for selective operation to flush and clear the treatment components and the blended emulsion from the system.
• a mixing apparatus which includes a first interfacial surface generator
• At least one of the textile treatment components is water and at least one
• textile treatment components are conveyed through the second interfacial surface
• the blended finish composition is
• the preferred embodiment of the present invention may include a
• bypass means for conveying water through the mixing apparatus for cleaning either periodically or when changing treatment components.
• the control unit for controlling operation of the mixing apparatus may
• control unit includes a control panel for programming the operation of the apparatus.
• the control unit includes a control panel for programming the operation of the apparatus.
• Figure 1 is a schematic view depicting the basic apparatus and method of the
• Figure 2 is a schematic view of one preferred embodiment of the in-line mixing
• apparatus and method of the present invention adapted for mixing two textile treatment components, e g. typically water and another component which is substantially immiscible in water;
• FIG. 3 is a schematic view of the control unit for operating the apparatus.
• Figure 4 is a schematic view of another preferred embodiment of the in-line
• mixing apparatus of the present invention adapted for mixing three textile treatment components.
• the present invention provides for the in-line formulation of a textile finish
• composition on an as-needed basis, and its subsequent application onto a textile
• components of a basic mixing apparatus 10 employed to carry out the method of the present invention include a water inlet port 12a and raw textile finish component inlet ports 12b and 12c for introducing water and raw textile finish components to be formulated into a textile finish composition, an interfacial surface generator 6 for
• water is introduced to the apparatus from a source, not shown,
• Valves 13a, 13b and 13c, are used
• finish components may be introduced into the interfacial surface generator 16 through
• pumps 14a and 14b are used to meter the raw textile finish components through inlet
• the interfacial surface generator 16 employed in the present invention is well known
• a fluid stream is divided into a plurality of substreams which are then recombined
• interfacial surface generators are capable of providing a degree of mixing that is a function of the number of static mixing elements (n) employed.
• valve 18 is opened so that the textile finish composition may be discharged through outlet port 19.
• textile finish composition is then ready for contact with a textile substrate.
• control unit 17 be employed in operative connection
• control unit 17 is
• textile finish components may be measured and subsequently introduced into the
• control unit 17 can also be programmed
• operating components of the apparatus 10 are electronically controlled, with variables
• control unit 17 of mixing being programmed into and controlled by control unit 17.
• the primary components of most textile finish compositions include a lubricant,
• emulsifiers known in the art such as ethoxylated C 12-18 fatty alcohols, an anti-jelling agent
• the textile composition is typically applied onto the textile substrate
• the lubricant component of the fiber finish composition is preferably selected
• the lubricant component can also
• non-water-soluble materials such as synthetic hydrocarbon oils, alkyl
• esters such as tridecyl stearate (Emerest ® 2308) which is the reaction product of tridecyl
• polyol esters such as trimethylol propane tripelargonate
• esters may also be employed.
• finish compositions may be employed in the present invention.
• the textile finish of the present invention is emulsifiable and capable of forming
• stable emulsion it is meant that the emulsion
• Anti-static agents function by either reducing the charge generation or by
• polypropylene depends on an antistat coating to impart high surface conductivity
• the antistatic agent may comprise any suitable anionic, cationic, amphoteric or
• Anionic antistatic agents are generally sulfates or phosphates
• agents are typified by the quaternary ammonium compounds and imidazolines which
• nonionics include the polyoxyalkylene
• anionic and cationic materials tend to be more effective antistats.
• Preferred anionic antistatic agents for use herein include an alkali metal salt, e.g.,
• nonionic antistatic agents include ethoxylated fatty acids (Emerest' 2650, an ethoxylated fatty acid), ethoxylated fatty alcohols (Trycol ® 5964, an ethoxylated
• the amount of antistatic agent present in the finish composition is generally from
• a surfactant and/or a solvent be used as a wetting agent in the composition.
• the surfactant and/or solvent acts to ensure that the particular textile finish composition
• a particularly preferred wetting agent is an alkylpolyglycoside of formula I
• R 1 is a monovalent organic radical having from about 6 to about 30 carbon atoms
• Z is a saccharide residue having 5 or 6 carbon atoms
• a is a number
• the textile finish composition may be applied onto a textile substrate according to
• composition in the solution or emulsion and the total wet pick-up is a composition in the solution or emulsion and the total wet pick-up.
• metering systems may be used which pump the finish composition to a ceramic slot
• compositions can also be applied onto textile substrates by spraying. From this point, the textile substrate which now has a coating of textile finish
• composition moves forward into any of several processes.
• composition to be applied onto a synthetic filament is also dependent on the end product
• the filament bundles are
• the present process is
• spin finish emulsions employed to formulate spin finish emulsions, in-line with a textile substrate application process, on an as-needed basis.
• the primary components of a spin finish are a lubricant,
• an emulsifier an anti-static agent and water which, when combined, form an emulsion.
• Valves 13a, 13b and 13c are programmed into the control unit 17. It should be noted that in this particular embodiment, a wetting agent is also being employed. Valves 13a, 13b and 13c
• interfacial surface generator 16 are introduced into the interfacial surface generator 16 in a single stream through fluid port 15.
• the interfacial surface generator then statically mixes the programmed amounts
• valve 18 is opened and the newly formulated spin finish composition is discharged through outlet
• the spin finish composition is then contacted with a textile substrate.
• apparatus 10 is capable of being employed in-line with any textile treating process.
• auxiliaries such as emulsifying agents to maintain the emulsion or biocides to preserve
• the formulated textile finish composition are reduced or eliminated. Also, waste associated with both the space required to store textile finish compositions when an
• textile substrate including glass, cellulosics such as acetate, triacetate, rayon,
• non-cellulosics such as acrylics, modacrylic, nylon, aramid, olefins such as polyethylene
• polypropylene polybenzimidazole
• polyesters such as polyethylene terephthalate and
• polybutylene terephthalate or copolyesters thereof saran, spandex and vinyon.
• the basic mixing apparatus as being combined and mixed with water to formulate a
• any number of raw textile finish components or auxiliaries such as surfactant blends/dispersions of waxy lubricants, for example fatty amides, fatty
• esters, oxidized polyethylene, and the like, needed for a particular textile finish composition may be employed.
• a spin finish composition for fiber and textile applications was prepared having
• glycerides mineral oil, esters and ethoxylated fatty alcohols.
• interfacial surface generator at ambient temperature, and then mixed to form an
• Example 1 and Comparative Example 1 were then analyzed to determine their aesthetic
• the present process allows for the in-line mixing of textile and spin
• apparatus for mixing long molecule products. While it may be desirable to include these agents to eliminate sling-off, long molecule products heretofore have been
• the present invention allows for easily mixing long molecule
• FIG. 2 One preferred embodiment of the process and apparatus for the in-line formulation of a textile finish composition is shown in Fig. 2 and designated generally
• the second textile treatment component is a raw textile finish component, the textile
• treatment components of the present invention may include water, a lubricant, an anti ⁇
• static agent a wetting agent, an emulsifier, an anti-jelling agent and mixtures thereof or
• the apparatus 110 of the preferred embodiment is any suitable textile treatment component.
• embodiment includes a water inlet port 112a and a raw textile finish component inlet port
• interfacial surface generatorl l ⁇ for statically mixing the water and raw textile finish
• control unit for controlling the operation of the apparatus 110.
• the apparatus 110 includes mass flow meters 120, pressure gauges 121
• the apparatus 110 further includes heaters 128,130 which are
• each heater 128,130 is an in-line electric heater as is known in the industry.
• the apparatus 110 includes a flush outlet port 129 for flushing an emulsion from the system. In operation, water is pumped by the water pump 114b into the apparatus 110
• interfacial surface generator 116 of the preferred embodiment mixes the components into
• finish composition is formulated, it may be discharged through the outlet port 119. Alternatively, the textile finish composition may be flushed from the system through the
• Fig. 3 illustrates the various electronically controlled functions performed by the
• control unit 117 which is in operative connection with the apparatus 110.
• control unit 117 is programmable and includes a control panel 132.
• control panel 132 In the preferred
• control unit 117 is programmed to control the run time and speed of
• raw textile finish component may be measured and introduced into the mixing apparatus
• the control unit may also electronically control the operation of the valves
• control unit 117 receives and processes information from the various components
• monitoring devices including the mass flow rate meters and pressure gauges 120,121
• control unit 117 is adapted to receive information from the monitoring devices, including
• Fig. 4 and designated generally by the numeral 210.
• the apparatus is shown in Fig. 4 and designated generally by the numeral 210.
• 210 is adapted to receive a supply of a first textile treatment component, a second textile
• FIG. 4 illustrates one scenario in which water is being
• the apparatus 210 includes a water inlet
• control unit is programmable to measure and introduce predetermined amounts of the
• this preferred embodiment of the present invention includes a first interfacial surface generator 216 and a second interfacial surface generator 234.
• the first emulsion which is discharged from
• the second interfacial generator 234 and the water are combined into a single stream in
• finish composition is discharged through a first outlet port 219.
• the apparatus 210 also
• a second outlet port 227 for discharging a second blended finish composition and a flush outlet port 229 for clearing the system of an emulsion.
• the flush outlet port 229 for clearing the system of an emulsion.
• bypass means may
• bypass line 236 extending from a line conveying water through the apparatus
• apparatus 210 by water pump 214c may be selectively diverted through the bypass line

Applications Claiming Priority (3)

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• 1999
  • 1999-08-23 WO PCT/US1999/016729 patent/WO2000010734A1/en not_active Application Discontinuation
  • 1999-08-23 BR BR9913160-9A patent/BR9913160A/pt not_active Application Discontinuation
  • 1999-08-23 CN CN99810013.7A patent/CN1313794A/zh active Pending
  • 1999-08-23 EP EP99940819A patent/EP1107831A1/de not_active Withdrawn
  • 1999-08-23 IL IL14138199A patent/IL141381A0/xx unknown
  • 1999-08-23 AU AU54598/99A patent/AU5459899A/en not_active Abandoned

Non-Patent Citations (1)

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