EP0391249B2 - Monofilaments de polymères synthétiques - Google Patents

Monofilaments de polymères synthétiques Download PDF

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Publication number
EP0391249B2
EP0391249B2 EP19900105980 EP90105980A EP0391249B2 EP 0391249 B2 EP0391249 B2 EP 0391249B2 EP 19900105980 EP19900105980 EP 19900105980 EP 90105980 A EP90105980 A EP 90105980A EP 0391249 B2 EP0391249 B2 EP 0391249B2
Authority
EP
European Patent Office
Prior art keywords
monofilaments
weight
monofilament
dyes
synthetic polymers
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
Application number
EP19900105980
Other languages
German (de)
English (en)
Other versions
EP0391249B1 (fr
EP0391249A1 (fr
Inventor
Eva Gneiss
Werner Vogt
Franz Hurschler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExNex AG
Original Assignee
Rhodia Industrial Yarns AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4205060&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0391249(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rhodia Industrial Yarns AG filed Critical Rhodia Industrial Yarns AG
Publication of EP0391249A1 publication Critical patent/EP0391249A1/fr
Application granted granted Critical
Publication of EP0391249B1 publication Critical patent/EP0391249B1/fr
Publication of EP0391249B2 publication Critical patent/EP0391249B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • D01F1/106—Radiation shielding agents, e.g. absorbing, reflecting agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/24—Stencils; Stencil materials; Carriers therefor
    • B41N1/247—Meshes, gauzes, woven or similar screen materials; Preparation thereof, e.g. by plasma treatment
    • 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
    • D01F1/06—Dyes

Definitions

  • the invention relates to monofilaments made of synthetic polymers for the production of screen printing fabrics containing dyes and UV absorbers.
  • a photosensitive layer is applied to the fabric to produce screen printing stencils.
  • the greatest spectral sensitivity of copying layers is in the range between 360 and 450 nm the stencil production is a slide placed on the coated fabric side and exposed. at After exposure with a UV lamp, the exposed areas are hardened, while the unexposed areas be washed out with water.
  • UV light partially reflect. This scatters the light and underscores the slide. The transitions between exposed and unexposed areas become blurred, which worsens the copy causes.
  • the object of the invention is a monofilament for a screen printing fabric made of synthetic polymers to provide which has a reflectance of less than 10% with good transparency has as few pigments as possible or none at all.
  • a polymer-soluble dye has the advantage that fewer fibril breaks occur when spinning and better thread quality results.
  • a pigment-free monofilament results in razor-sharp contours Screen printing stencils. It is expedient for the monofilaments to have a mass of 0.1 to 2.0% by weight, in particular Contain 0.3 to 1.0% by weight, preferably 0.25 to 0.50% by weight, of a polymer-soluble dye.
  • Perinone and anthraquinone dyes have proven to be particularly suitable as soluble dyes. These dyes must have melting points above 200 ° C, especially 300 ° - 420 °.
  • polymer-soluble UV absorbers preference has been given to those which contain benzotriazole and contain benzophenone groups.
  • benzotriazole preference has been given to those which contain benzotriazole and contain benzophenone groups.
  • 2- [2'-hydroxy-3 ', 5'-bis ( ⁇ , ⁇ -dimethylbenzyl) phenyl] benzotriazole is particularly suitable.
  • the low reflectance values of the UV absorber between 300 and 350 nm ensure an effective one UV protection.
  • the reflectance values increase in the range of long-wave UV radiation above 380 nm of the UV absorber over 10%, which additionally by combining with polymer-soluble dyes Can be reduced by 10%.
  • polyester or polyamide it is also expedient to produce the monofilaments from polyester or polyamide, since both are economical can be subjected to spin dyeing with dyes that are soluble in the melt.
  • Polyesters are understood to be polymers which contain at least 85% by weight of polyethylene terephthalate units contain.
  • polyamides polyhexamethylene adipamide and caprolactam polymers are preferred understand.
  • the monofilaments according to the invention it is also possible for the monofilaments according to the invention to be made from other thermoplastic To produce polymers such as polypropylenes.
  • Polyester pellets having an intrinsic viscosity of 0.67 was dl / g, a mixture of 0.45% of a polymer-soluble red dye and yellow and 0.5% of the UV absorber, 2- [ 2'-hydroxy-3 ', 5'-bis ( ⁇ , ⁇ -dimethyl-benzyl) phenyl] benzotriazole were metered in and spun at 290 ° C. to form the monofilament.
  • the stretched orange monofilament has a diameter of 0.03 mm.
  • the monofilament (Table Example No. 2) was made of polyester with 0.03% titanium dioxide after same procedure as in Example 1.
  • the monofilament was made of polyester with 0.03% titanium dioxide according to the same procedure as in Example 3 prepared.
  • the colored monofilaments mentioned in Examples 1-4 were after the continuous Dosing spin dyeing process produced. Thanks to the powder form, the UV absorber can be combined with the Dye powder can be introduced directly into the substrate.
  • Example 5 is produced as in Example 1, but without Dye; Example 6 contains neither dye nor UV absorber.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Artificial Filaments (AREA)

Claims (5)

  1. Monofilaments de polymères synthétiques pour la fabrication de tissus pour sérigraphie, contenant colorants et absorbeur UV, caractérisé par une rémission < 10 % dans le domaine de longueurs d'ondes entre 340 et 460 nm, que le monofilament contient 0.1 à 2.0 m/m % de colorants solubles dans le polymère et 0.1 à 0.5 m/m % d'un absorbeur UV.
  2. Monofilaments selon la revendication 2, caractérisés en ce que les colorants ont un point de fusion de 200°C à 420°C.
  3. Monofilament selon les revendications 1 et 2, caractérisés en ce que les monofilaments contiennent moins de 0.3 % de dioxide de titane.
  4. Monofilaments selon les revendications 1 à 3, caractérisés en ce que le diamètre du monofilament est de 0.02-0.10 mm.
  5. Monofilaments selon la revendication 1, caractérisés en ce que les monofilaments sont du polyester, du polyamide ou du polypropylène.
EP19900105980 1989-04-03 1990-03-29 Monofilaments de polymères synthétiques Expired - Lifetime EP0391249B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH120989 1989-04-03
CH1209/89 1989-04-03
CH120989 1989-04-03

Publications (3)

Publication Number Publication Date
EP0391249A1 EP0391249A1 (fr) 1990-10-10
EP0391249B1 EP0391249B1 (fr) 1994-06-01
EP0391249B2 true EP0391249B2 (fr) 2002-01-02

Family

ID=4205060

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900105980 Expired - Lifetime EP0391249B2 (fr) 1989-04-03 1990-03-29 Monofilaments de polymères synthétiques

Country Status (3)

Country Link
EP (1) EP0391249B2 (fr)
DE (1) DE59005870D1 (fr)
ES (1) ES2056282T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112752873A (zh) * 2018-09-27 2021-05-04 东丽株式会社 丝网纱用聚酯单丝及直接数字制版用网眼织物

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2708789C2 (de) * 1977-03-01 1979-01-25 Kazmer Paris Fejer Spinnfärben von Polyester- oder Polyamidfasern
JPH0446941Y2 (fr) * 1985-08-02 1992-11-05

Also Published As

Publication number Publication date
EP0391249B1 (fr) 1994-06-01
ES2056282T3 (es) 1994-10-01
DE59005870D1 (de) 1994-07-07
EP0391249A1 (fr) 1990-10-10

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