EP0391249B1 - Monofilaments de polymères synthétiques - Google Patents

Monofilaments de polymères synthétiques Download PDF

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Publication number
EP0391249B1
EP0391249B1 EP19900105980 EP90105980A EP0391249B1 EP 0391249 B1 EP0391249 B1 EP 0391249B1 EP 19900105980 EP19900105980 EP 19900105980 EP 90105980 A EP90105980 A EP 90105980A EP 0391249 B1 EP0391249 B1 EP 0391249B1
Authority
EP
European Patent Office
Prior art keywords
monofilaments
weight
monofilament
dyes
screen printing
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
EP0391249A1 (fr
EP0391249B2 (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
Rhone Poulenc Viscosuisse SA
Societe de la Viscose Suisse SA
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
Family has litigation
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(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rhone Poulenc Viscosuisse SA, Societe de la Viscose Suisse SA filed Critical Rhone Poulenc Viscosuisse SA
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 synthetic monofilaments Containing polymers for the production of screen printing fabrics Dyes and UV absorbers.
  • monofilaments are made of polyester and polyamide for the production of stencils are known. These Filaments are translucent and contain 0.5 to 1% by weight of a UV absorber and color pigment and 0.01 up to 0.1% by weight of a titanium dioxide pigment. The degree of remission lies in the entire wavelength range of interest of the spectrum over 10%.
  • the object of the invention is to provide a monofilament Screen printing fabrics made of synthetic polymers are available which has a reflectance of less than 10% with good transparency with as few pigments as possible or has none at all.
  • the object is achieved in that the monofilaments have a reflectance ⁇ 10% in the wavelength range have between 340 and 460 nm.
  • a polymer-soluble dye has the advantage that less Fibril breaks occur during spinning and one better thread quality results.
  • a pigment-free monofilament results in razor-sharp contours of the screen printing stencils. It is appropriate that the monofilament in bulk 0.1 to 2.0% by weight, in particular 0.3 to 1.0% by weight, preferably 0.25 to 0.50% by weight of a polymer-soluble Dye included.
  • Perinone and anthraquinone dyes have been found to be soluble dyes proven to be particularly suitable. These Dyes must have melting points above 200 ° C, in particular Have 300 ° - 420 °.
  • UV absorbers have been preferred proven suitable, the benzotriazole and Contain benzophenone groups. Is particularly suitable for example 2- [2'-hydroxy-3 ', 5'-bis ( ⁇ , ⁇ -dimethylbenzyl) phenyl] benzotriazole.
  • the low reflectance values of the UV absorber between 300 and 350 nm ensure effective UV protection. By doing Range of long-wave UV radiation above 380 nm the reflectance values of the UV absorber rise above 10%, which by combination with polymer-soluble dyes can also be reduced below 10%.
  • polyester or monofilaments Manufacture polyamide since both economically one Spun dyeing with dyes that are soluble in the melt can be.
  • Polymers are included under polyester understand which are at least 85% by weight of polyethylene terephthalate units contain.
  • Polyamides are preferred Polyhexamethylene adipamide and caprolactam polymers to understand. It is also possible to use the ones according to the invention Monofilaments made from other thermoplastic polymers such as making polypropylenes.
  • the monofilament (Table Example No. 2) was made of polyester with 0.03% titanium dioxide using the same procedure prepared as in Example 1.
  • polyester granules a mixture of 0.53% of a polymer soluble Yellow and red dye and 0.5% of the UV absorber, 2- [2'-hydroxy-3 ', 5'-bis ( ⁇ , ⁇ -dimethyl-benzyl) phenyl] benzotriazole added and at 290 ° C to the monofilament spun.
  • the stretched yellow monofilament has a diameter of 0.03 mm.
  • the monofilament was made of polyester with 0.03% titanium dioxide prepared by the same method as in Example 3.
  • 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 together with the dye powder directly into that Substrate are introduced.
  • Examples 5 and 6 are comparative examples. 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 (6)

  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.
  2. Monofilament selon la revendication 1, caractérisés en ce 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.
  3. Monofilaments selon la revendication 2, caractérisés en ce que les colorants ont un point de fusion de 200°C à 420°C.
  4. Monofilament selon les revendications 1 et 2, caractérisés en ce que les monofilaments contiennent moins de 0.3 % de dioxide de titane.
  5. Monofilaments selon les revendications 1 à 3, caractérisés en ce que le diamètre du monofilament est de 0.02-0.10 mm.
  6. 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 true EP0391249B1 (fr) 1994-06-01
EP0391249B2 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
JPWO2020067224A1 (ja) * 2018-09-27 2021-08-30 東レ株式会社 スクリーン紗用ポリエステルモノフィラメントおよびダイレクトデジタル製版用メッシュ織物

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
EP0391249A1 (fr) 1990-10-10
EP0391249B2 (fr) 2002-01-02
DE59005870D1 (de) 1994-07-07
ES2056282T3 (es) 1994-10-01

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