US3169077A - Method of producing a yarn package - Google Patents
Method of producing a yarn package Download PDFInfo
- Publication number
- US3169077A US3169077A US81258A US8125861A US3169077A US 3169077 A US3169077 A US 3169077A US 81258 A US81258 A US 81258A US 8125861 A US8125861 A US 8125861A US 3169077 A US3169077 A US 3169077A
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- US
- United States
- Prior art keywords
- yarn
- rubber
- package
- latex
- aqueous dispersion
- 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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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
- D06M15/693—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
Definitions
- This invention relates to an improved yarn treating composition and a method of preparing a package of yarn treated with said composition. More particularly, it relates to a homogenous alkanol-latex treating composition for cellulosic yarn to be wound into packages and thereafter used for reinforcing rubber base material.
- Cellulosic yarns particularly regenerated cellulose yarns, have been treated with rubber latex containing compositions to improve their adhesion to rubber base material, for example, in the manufacture of fabric reinforced tires, belts and hoses.
- the latex or aqueous dispersion of rubber has been applied to the yarn just prior to Winding the yarn onto a spool to form a package; however, upon application of an aqueous dispersion of rubber to low elongation, highly strained cellulosic yarn,
- the improved yarn treating composition comprises a homogenous mixture of a major proportion of a C C alkanol and a rubber latex adhesive in an amount suilicient to improve the adhesion of said yarn to rubber.
- the method of this invention comprises applying to cel-' lulose yarn in the unwound state the described treating composition, winding said yarn upon itself to form a package, and drying the package.
- the alkanols suitable for this invention include for example, methanol, ethanol, n-propanol, isopropanol and t-butanol. These alcohols are suitable for the treating composition in that they are completely miscible with water, they provide satisfactory homogeneous mixtures with rubber latices, they do not degrade or swell the cellulose material, they have a sufficiently high vapor pressure to evaporate from the yarn in a reasonable amount of Bdfihfil'i. Patented Feb. 9, 1965 time, and they present little, if any, toxicity problems.
- the invention may be carried out with from at least 50 up to about 90% by volume of the alkanol in the homogeneous mixture; however, from about 70 to about is preferred.
- the rubber latices of this invention include aqueous dispersions of finely divided particles of elastomeric materials including natural rubber and synthetic material having properties similar to natural rubber.
- Natural rubber includes, for example, caoutchouc, balata, gutta percha, pale crepe, etc.
- Synthetic rubber includes for example, polymers of vinyl pyridine, butadiene-1,3, isobutylene, 2-chloro-butadiene-l,3, isoprene, and the like, as well as interpolymers of these and similar materials with each other or with such interpolymerizable monomers as styrene, acrylonitrile, methacrylonitrile, methyl methacrylate, ethyl methacrylate, alkyl substituted vinyl pyridines, etc.
- Mixtures of any of the above rubber materials may be used in forming the latex, and rubber compounding materials such as pigments, softeners, vulcanizers, accelators and antioxidants are suitably incorporated in the rubber.
- the rubber latex is a conventional aqueous dispersion of finely divided rubber and may include a small amount of dispersing agent and/or stabilizing agent.
- the finely divided rubber is usually present in the dispersion in an amount ranging from about 5 to about 50% by weight but preferably from 15 to 25%.
- the latex is generally supplied in a more concentrated form, for example, with from 49-50% dispersed rubber; however, more water is added to the aqueous dispersion to reduce the proportion of solids in the final mixture.
- the condensate is incorporated in an amount ranging from about 0.5 to about 5% by weight and preferably from about 1 to 3% by weight of the aqueous dispersion.
- the phenolic condensate is prepared in an aqueous dispersion by first partially condensing a phenol and an aldehyde in an aqueous solution in the presence of an alkali.
- the preferred phenolic compounds are substantially water-soluble polyhydric phenols having hydroxy groups in the meta positions, for example, resorcinol, orcinol, cresorcinol and m-xylorcinol.
- the preferred aldehyde is formaldehyde or its polymers while other substantially water-soluble aldehydes such as acetaldehyde or furfural may be used in place of part or all of the formaldehyde.
- the heat-curable condensate may be prepared directly in the latex or separately; however, for the purpose of this invention it is preferred that it be formed in a separate solution and aged for from 4 to 10 hours at about 70 to 80 F. before mixing with the latex.
- a typical method for the preparation of the finish or treating composition and its application to a yarn is set forth in the following example.
- Example I 9,312 cc. of a stabilized concentrated latex, comprising an aqueous dispersion of finely divided resinous vinyl pyridine polymer (41% solids), were charged to a mixing vessel. 8,267 cc. of water were added to the same vessel and slowly mixed with the latex. 5,133 cc. of an aqueous dispersion of phenolic partial condensate were slowly added to the mixing latex.
- the phenolic condensate was prepared by adding 40 cc. of a 17.5% aqueous sodium hydroxide solution to 5,568 cc. of water, then adding 256 grams of resorcinol to the alkaline water and dissolving it completely, then adding 377 cc. of formaldehyde to the mixture with stir- U ring for minutes, and then aging for 6 hours at 75 to 78 F.
- the latex adhesive was mixed for 15 minutes to assure homogeneity and then aged for an hour. After this aging, 22.5 gallons of isopropanol were charged to the mixing vessel while the latex adhesive was slowly agitated. When the addition of isopropanol was complete, the homogeneous mixture was drained into a 55 gallon drum through a wire mesh screen and funnel.
- the prepared treating composition was a homogeneous milkly liquid having the following percentage composition:
- the liquid treating composition was applied to traveling single strands of tire cord type regenerated cellulose yarn by running the yarn over and in contact with a rotating roll which picked up the finish composition from a trough containing the liquid and deposited it on the traveling yarn.
- the treated yarn was then passed through a reciproeating guide and helically wound on a spool, mounted on a rotating spindle, into a yarn package.
- Freshly wound packages of the treated yarn were easily removed from the spindle and were first placed in a vented chamber for a few hours to take off the greater portion of the isopropanol vapors and then removed to an open space to completely dry.
- the dry yarn packages formed as described above were free of end bulges and tightly wound, neat packages as compared to those wound from yarn treated with the usual aqueous latex-phenolic dip which exhibit bulging at the ends near the spool and are generally soft, mushy package usually diflicult to handle in further processing operations. On unwinding the treated yarn from the package it was found to have retained the strength and elongation properties for which it was manufactured.
- the treating composition of this invention may contain other adhesive promoting chemicals and compositions which are compatible therewith. These adhesive promot-- ers can be incorporated in either the latex or alcohol prior to mixing or they may be incorporated into the finished blend.
- yarn as used herein would include all types of narrow, elongated cellulosic material such as filaments, cords, strands, fibers, etc.
- Example I In addition to the use of the yarn treating composition of this invention as described in Example I, it has been found that it may be employed with excellent results for the application of rubber adhesive promoting material to shrinkable cellulose yarn and fabric material.
- the materials to which this invention has particular application are regenerated cellulose yarns which have been slashed and fabrics therefrom. Slashing has been broadly defined as a method of strengthening regenerated cellulose yarn wherein it is dried under tension. Usually, slashing defines an operation wherein the regenerated cellulose yarn is stretched many times its original length and dried in this stretched condition under tension. This type of yarn and fabric produced therefrom have a tendency to shrink greatly with the application of water.
- the latex being an aqueous fluid
- Example II A Woven fabric produced from 2200 denier, 1500 filament slashed tire yarn wet stretched 100% during its manufacture was passed from a roll through a bath of the liquid treating composition as described in Example l and then through a pair of squeeze rolls to remove excess fluid. The fabric was then permitted to dry without additional tension. On drying, it was found that the fabric had retained its original dimensions and no appreciable shrinking had occurred. The fabric was then used as a reinforcement for a rubber belt. Adhesion of the fabric to the rubber was found to be excellent.
- a method for producing an improved yarn package comprising applying to a cellulosic yarn in the unwound state a homogeneous mixture comprising a C -C alkanol in a major proportion based on the volume of the mixture, and a rubber latex adhesive comprising an aqueous dispersion containing from about 5 to about 50% by weight of a finely-divided rubber and an adhesion promoting amount of a heat-curable phenolic condensate, winding said yarn upon itself to form a package, and drying the package.
- a method for producing an improved yarn package comprising applying to regenerated cellulose yarn in the unwound state the homogeneous mixture comprising a C -C alkanol in an amount of from about 50 to based on the volume of the mixture, and a rubber latex adhesive comprising an aqueous dispersion of from about 15 to 25% by weight of a finely-divided, vinyl pyridine resin and from about 0.5 to 5% by weight of a heat-curable resorcinol-formaldehyde condensate, winding said yarn upon itself to form a package, and drying the package.
- a method for producing an improvedyarn package comprising applying to regenerated cellulose yarn in the unwound state a homogeneous mixture comprising isopropanel in an amount of from about 70 to about 8.0%
- adhesive comprisingan aoueous dispersion of from about 15 to about 25 by Weight of a finely-divided vinyl pyridine moting amount of a heat-curable phenolic condensate, and
- the rubber latex comprises an aqueous dispersion of a vinyl pyridine resin.
- a method of applying rubber adhesive promoting material to shrinkable cellulosic yarn and fabric produced therefrom which comprises treating the cellulosic material with a homogeneous mixture comprising a C -C alkanol in an amount of from about 50 to 90% based on the volume of the mixture, and a rubber latex adhesive compris-' ing an aqueous dispersion of from about 15 to 25% by weight of a finely-divided'vinyl pyridine resin and from about 0.5 to 5% by weight of a heat-curable resorcinolformaldehyde condensate, and drying the cellulosic material to remove the alkanol and excess water.
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81258A US3169077A (en) | 1961-01-09 | 1961-01-09 | Method of producing a yarn package |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81258A US3169077A (en) | 1961-01-09 | 1961-01-09 | Method of producing a yarn package |
Publications (1)
Publication Number | Publication Date |
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US3169077A true US3169077A (en) | 1965-02-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US81258A Expired - Lifetime US3169077A (en) | 1961-01-09 | 1961-01-09 | Method of producing a yarn package |
Country Status (1)
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1506052A (en) * | 1923-12-19 | 1924-08-26 | Dreyfus Henry | Manufacture or treatment of threads of artificial filaments |
US1742568A (en) * | 1926-06-04 | 1930-01-07 | Celanese Corp | Treatment of yarns or threads |
US2031094A (en) * | 1932-07-13 | 1936-02-18 | Brandwood Joseph | Impregnation of textile materials with rubber-containing liquids |
US2051338A (en) * | 1934-07-25 | 1936-08-18 | Mone R Isaacs | Composition of matter |
US2265777A (en) * | 1939-04-04 | 1941-12-09 | Wingfoot Corp | Rubber dispersion |
US2278902A (en) * | 1940-12-13 | 1942-04-07 | Du Pont | Yarn sizing process |
US2561215A (en) * | 1945-06-11 | 1951-07-17 | Du Pont | Laminated products and adhesive compositions of matter |
US2652353A (en) * | 1948-08-27 | 1953-09-15 | Goodrich Co B F | Adhesion of rubber to fiber |
-
1961
- 1961-01-09 US US81258A patent/US3169077A/en not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1506052A (en) * | 1923-12-19 | 1924-08-26 | Dreyfus Henry | Manufacture or treatment of threads of artificial filaments |
US1742568A (en) * | 1926-06-04 | 1930-01-07 | Celanese Corp | Treatment of yarns or threads |
US2031094A (en) * | 1932-07-13 | 1936-02-18 | Brandwood Joseph | Impregnation of textile materials with rubber-containing liquids |
US2051338A (en) * | 1934-07-25 | 1936-08-18 | Mone R Isaacs | Composition of matter |
US2265777A (en) * | 1939-04-04 | 1941-12-09 | Wingfoot Corp | Rubber dispersion |
US2278902A (en) * | 1940-12-13 | 1942-04-07 | Du Pont | Yarn sizing process |
US2561215A (en) * | 1945-06-11 | 1951-07-17 | Du Pont | Laminated products and adhesive compositions of matter |
US2652353A (en) * | 1948-08-27 | 1953-09-15 | Goodrich Co B F | Adhesion of rubber to fiber |
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Owner name: WALTER E. HELLER & COMPANY, INC., A CORP. OF DEL. Free format text: AGREEMENT WHEREBY AETNA RELEASES AVTEX FROM ALL MORTAGES AND SECURITY INTERESTS IN SAID INVENTIONS AS OF JANUARY 11,1979, AND ASSIGNS TO ASSIGNEE THE ENTIRE INTEREST IN SAID MORTAGE AGREEMENT TO ASSIGNEE;ASSIGNORS:AETNA BUSINESS CREDIT, INC., A CORP. OF N.Y.;AVTEX FIBERS, INC, A CORP. OF NY;KELLOGG CREDIT CORP., A CORP. OF DEL.;REEL/FRAME:003959/0250 Effective date: 19800326 Owner name: WESTERN AND SOUTHERN LIFE INSURANCE COMPANY THE C/ Free format text: AS SECURITY FOR INDEBTEDNESS RECITED ASSIGNOR GRANTS , BARGAINS, MORTGAGES, PLEDGES, SELLS AND CREATES A SECURITY INTEREST WITH A LIEN UNDER SAID PATENTS, SUBJECT TO CONDITIONS RECITED.;ASSIGNOR:AVTEX FIBERS INC. A NY CORP.;REEL/FRAME:003959/0219 Effective date: 19810301 Owner name: PAUL REVERE LIFE INSURANCE COMPANY THE C/O THE PAU Free format text: AS SECURITY FOR INDEBTEDNESS RECITED ASSIGNOR GRANTS , BARGAINS, MORTGAGES, PLEDGES, SELLS AND CREATES A SECURITY INTEREST WITH A LIEN UNDER SAID PATENTS, SUBJECT TO CONDITIONS RECITED.;ASSIGNOR:AVTEX FIBERS INC. A NY CORP.;REEL/FRAME:003959/0219 Effective date: 19810301 Owner name: KELLOGG CREDIT CORPORATION A DE CORP. Free format text: AGREEMENT WHEREBY SAID HELLER AND RAYONIER RELEASES ALL MORTGAGES AND SECURITY INTERESTS HELD BY AVTEX ON APRIL 28, 1978, AND JAN. 11, 1979, RESPECTIVELY AND ASSIGNS ITS ENTIRE INTEREST IN SAID MORT-AGAGE AGREEMENT TO ASSIGNEE;ASSIGNORS:WALTER E. HELLER & COMPANY, INC. A NY CORP.;ITT RAYONIER INCORPORATED, A DE CORP.;AVTEX FIBERS INC., A NY CORP.;REEL/FRAME:003959/0350 Effective date: 19800326 Owner name: NEW ENGLAND MUTUAL LIFE INSURANCE COMPANY 501 BOYL Free format text: AS SECURITY FOR INDEBTEDNESS RECITED ASSIGNOR GRANTS , BARGAINS, MORTGAGES, PLEDGES, SELLS AND CREATES A SECURITY INTEREST WITH A LIEN UNDER SAID PATENTS, SUBJECT TO CONDITIONS RECITED.;ASSIGNOR:AVTEX FIBERS INC. A NY CORP.;REEL/FRAME:003959/0219 Effective date: 19810301 Owner name: PROVIDENT ALLIANCE LIFE INSURANCE COMPANY C/O THE Free format text: AS SECURITY FOR INDEBTEDNESS RECITED ASSIGNOR GRANTS , BARGAINS, MORTGAGES, PLEDGES, SELLS AND CREATES A SECURITY INTEREST WITH A LIEN UNDER SAID PATENTS, SUBJECT TO CONDITIONS RECITED.;ASSIGNOR:AVTEX FIBERS INC. A NY CORP.;REEL/FRAME:003959/0219 Effective date: 19810301 Owner name: BALBOA INSURANCE COMPANY C/O THE PAUL REVERE EQUIT Free format text: AS SECURITY FOR INDEBTEDNESS RECITED ASSIGNOR GRANTS , BARGAINS, MORTGAGES, PLEDGES, SELLS AND CREATES A SECURITY INTEREST WITH A LIEN UNDER SAID PATENTS, SUBJECT TO CONDITIONS RECITED.;ASSIGNOR:AVTEX FIBERS INC. A NY CORP.;REEL/FRAME:003959/0219 Effective date: 19810301 Owner name: JOHN HANCOCK MUTUAL LIFE INSURANCE COMPANY JOHN HA Free format text: AS SECURITY FOR INDEBTEDNESS RECITED ASSIGNOR GRANTS , BARGAINS, MORTGAGES, PLEDGES, SELLS AND CREATES A SECURITY INTEREST WITH A LIEN UNDER SAID PATENTS, SUBJECT TO CONDITIONS RECITED.;ASSIGNOR:AVTEX FIBERS INC. A NY CORP.;REEL/FRAME:003959/0219 Effective date: 19810301 |