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
  • D06M13/322—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 nitrogen
  • D06M13/325—Amines
  • D06M13/342—Amino-carboxylic acids; Betaines; Aminosulfonic acids; Sulfo-betaines
• • 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
  • D06M13/322—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 nitrogen
• • 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
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
  • Y10T428/2913—Rod, strand, filament or fiber
  • Y10T428/2933—Coated or with bond, impregnation or core
  • Y10T428/2964—Artificial fiber or filament
  • Y10T428/2967—Synthetic resin or polymer
  • Y10T428/2969—Polyamide, polyimide or polyester

Definitions

• the invention in its broad scope is defined as a textile fiber containing on its surface from 0.06 percent to 3 percent by weight of a finish comprising an organic anionic, an organic cationic, and an organic amphoteric surfactant, the amount of amphoteric being at least 3 percent of the total solids weight of the finish composition.
• the invention in its narrower aspect is defined as a textile fiber having a finish coating of compatibilized cationic and anionic components comprising from 0.06 percent to about 3 percent by weight of the fiber, said coating comprising a mixture of (a) an organic anionic surfactant containing at least one alkyl or alkenyl group having from eight to 20 carbon atoms; (b) an organic cationic nitrogen containing surfactant having at least one long chain alkyl or alkenyl group of eight to about 20 carbon atoms; and (c) a compatibilizing quantity of an organic amphoteric nitrogen containing surfactant having at least one alkyl or alkenyl group of eight to 20 carbon atoms.
• organic anionic surfactants and organic cationic surfactants are compatibilized in a textile fiber finish by inclusion in the finish bath of at least 3 percent, based on the combined solids weight of the anionic and cationic ingredients, of an organic amphoteric compound.
• the inclusion of the amphoteric precludes precipitation and sludge formation in the composite finish.
• organic cationic surfactant refers to a salt that dissociates in solution into an organic cationic surfactant.
• the organic cationic surfactants included in the chemical combination of this invention are organic nitrogen compounds having at least one long chain alkyl or alkenyl group of eight to about 20 carbon atoms.
• the most preferred cationic surfactants contain a quaternary nitrogen atom.
• Typical organic cationic salts useful as surfactants in the practice of this invention comprise:
• An organic amphoteric surfactant refers to an organic surfactant having both acid and basic properties.
• the amphoteric surfactants useful in the practice of the present invention are defined as nitrogen-containing organic compounds having at least one alkyl or alkenyl group of eight to 20 carbon atoms. The most preferred contain a carboxyl group or the sodium salt of a carboxyl group.
• Typical amphoteric surfactants useful in the practice of this invention comprise:
• TAB LE III.AMPHOTE RIC S URFAC'IANIS Name Structure a. Disodium N -lauryl-fi-iminodipropionate O O O b. N-oleyl-N, N-dimethyl glycine H H CHa ⁇ /C ⁇ Q N /C O oleyl CH 0 DlSodium N-tallow-fi-imlnodipropionate. .o Same as (a) except lauryl group replaced with a tallow group (mostly stearyl-IB carbon atoms and saturated; and oleyl-18 carbon atoms and unsaturated).
• the new finish combination is preferably made up in batch plied as a predraw application or postdraw application or even form and then applied to the textile fiber.
• the new as an overlay finish. combination may be applied to the fiber in stepwise fashion;
• the invention includes any known textile fiber and is parfor example, the anionic agent may be applied to the fiber at ticularly advantageous with fibers based on polymers and one point in the process and, at a later point, the cationic and copolymers of polyethylene terephthalate, nylon, and
• amphoteric compounds may be applied.
• polyacrylonitrile polyacrylonitrile.
• These fibers have a high volume in the approcess, it is preferable to avoid mixing the anionic and caparel markets where adequate finishing techniques are detionic ingredients before the amphoteric is admixed. in many manded to prevent the fiber from irritating the skin or from cases, however, the amphoteric destroys the precipitate being excessively electrostatic.
• the amphoteric compound is added to a vessel EXAMPLES lXlll containing the required volume of water. Then, the anionic and cationic ingredients are admixed. Usually, concentrations of from I to 20 percent solids of the new finish combination in These examples Show the amount of amPhotelric Compound water are applied to running fib b means f a fi i h necessary to compatibilize the anionic and cationic surfacplicator. Applications to produce a solids content of finish intants Show" in the above tables in propo tions.
• gredients on the finished yarn of from 0.06 percent to 3 per-
• a beaker containing a volume of water is added an cent based on the total weight of the finished yarn are satisfacamphoten'c surfactant selected from table lll, an anionic surtory.
• factant selected from table ll and a cationic surfactant The new finish combination or any ingredient thereof may selected from table I.
• the amount of amphoteric necessary to be applied to textile fibers at any place in the production compatibilize the cationic to anionic is recorded. Results are process.
• the combination or any part thereof can be apas follows:
• Finish solution Amphoteric concentration surfactant (percent from solids in Table III water) Anionic surfactant Table II Cationic surfactant Minimum percent by weight I of amphoteric to compatibilize EXAMPLES XIV-XVII These examples show the application of the finish combinations to textile fibers and show improvement in static electricity properties of the fibers resulting thereby.
• the static electricity measurements are determined as follows: A Beckman Micro-microammeter Model-5 manufactured by Beckman Instruments Inc., Fullerton, Calif. with a DC potential of 210 volts and a resistance of l megohm is set up. A thin plate of electrically resistant material having four metal prongs mounted perpendicularly at each comer of a 1.25 inch square (3.2 cm. square) thereon is fabricated and connected to the Micro-microammeter in such a way that upon connecting two pairs of prongs (one pair to negative and one pair to positive 210 volts) current will flow in the system when a sample is on the prongs. The yarn to be tested for static electricity is wound on a 3-in. (7.6 cm.) long 2-in.
• the core containing the yarn is placed lengthwise against the four prongs of the electrical system, and the amount of current flowing through the circuit is measured. Knowing the potential and the amount of current, the resistance is calculated and its logarithm is recorded.
• finish compositions are metered onto the yarn from aqueous solution by means of a metering pipette.
• Ill. 75-denier/30-filament yam comprising a copolymer of 94 percent acrylonitrile and 6 percent methyl acrylate having 0.3 2" turns per inch (0.12 toms/cm.) twist and 0.4 percent "no,
• the yarn is finished to a level of 0.2 percent by weight solids finish ingredients based on the weight of the finished yarn.
• EXAMPLE XV The same nylon starting material as used for example XIV is 20 covered with a 10 percent aqueous finish composition comprising 10 parts by weight of the amphoteric surfactant of table Ill-a, 10 parts by weight of the cationic surfactant of table l-a and 80 parts by weight of the anionic surfactant of table "-0.
• the yarn is finished to a level of 0.5 percent by weight solids finish based on the weight of the finished yarn.
• Log R at 65 percent relative humidity is 7.5.
• EXAMPLE XVI The polyethylene terephthalate yarn is coated with a 20 percent by weight aqueous solution comprising the complex anionic surfactant formed by combining 1 1.6 parts by weight of monoand didecyl-phosphoric acids percent mono 50 percent di) with 8.4 parts of triethanolamine, 40 parts by weight of a nonionic surfactant of a 12- to l8-carbon synthetic primary alcohol condensed with polyoxyethylene so that the weight of polyoxyethylene is percent of the total weight of the molecule, and 20 parts of the amphoteric of table llld, and 20 parts by weight of the cationic surfactant of table l-b.
• Log R value of the finished yarn is 7.5 as compared to a Log R value of 17.2 for an identical yarn containing no finish on its surface.
• EXAMPLE XVll The yarn of acrylonitrile and methylacrylate is coated with a 20 percent by weight aqueous solution comprising 10 parts by weight of a cationic surfactant consisting of dicocodimethylammonium chloride, 30 parts by weight of the amphoteric of table lll-a, 10 parts by weight of the anionic used in example XVI and 50 parts by weight of the nonionic surfactant used in example XVI.
• the yarn is finished to a level of 0.2 percent by weight solids finish based on the total weight of the finished yarn.
• the Log R value is 11.8 at 20 percent relative humidity as compared to a Log R value of 16.9 for an identical yam having no finish on its surface.
• EXAMPLE XVlll This example shows the combination, in a single bath, of cationic and anionic surfactants in a composition containing other ingredients, by use of an amphoteric surfactant.
• a vessel containing a volume of water is added 3 parts, by weight, of the amphoteric of table Ill-a, 27.7 parts, by weight, of a cationic surfactant comprising the reaction product of stearic acid and diethanolamine quaternized with dimethylsulfate; and 69.3 parts of a mixture comprising 16.6 parts of an anionic surfactant comprising sulfated peanut oil partially neutralized with sodium hydroxide, 8.2 parts by weight of to have excellent antistatic and frictional properused as a predraw finish on nylon yarn, and the r comprises including in the composition an organic amphoteric nitrogen-containing group of eight to 20 surfactant being sufficient to prevent surfactants (a) and (b) from precipitating.

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=25021581

Family Applications (1)

Country Status (6)

Cited By (10)

Citations (5)

• 0
  • CH CH1203269D patent/CH1203269D/xx unknown
• 1968
  • 1968-08-09 US US751345A patent/US3622378A/en not_active Expired - Lifetime
• 1969
  • 1969-08-07 GB GB39574/69A patent/GB1246521A/en not_active Expired
  • 1969-08-08 DE DE19691940538 patent/DE1940538A1/de active Pending
  • 1969-08-08 BE BE737261D patent/BE737261A/xx unknown
  • 1969-08-08 FR FR6927444A patent/FR2015391A7/fr not_active Expired

Patent Citations (5)

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