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1. WO2020067224 - POLYESTER MONOFILAMENT FOR SCREEN CLOTH AND WOVEN MESH FABRIC FOR DIRECT DIGITAL PLATEMAKING

Publication Number WO/2020/067224
Publication Date 02.04.2020
International Application No. PCT/JP2019/037722
International Filing Date 25.09.2019
IPC
D01F 6/62 2006.01
DTEXTILES; PAPER
01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
FCHEMICAL FEATURES IN THE MANUFACTURE OF MAN-MADE FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
6Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof
58from homopolycondensation products
62from polyesters
B41N 1/24 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
NPRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE OR CONSERVING THEM
1Printing plates or foils; Materials therefor
24Stencils; Stencil materials; Carriers therefor
CPC
B41N 1/24
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
NPRINTING PLATES OR FOILS
1Printing plates or foils; Materials therefor
24Stencils; Stencil materials; Carriers therefor
D01F 6/62
DTEXTILES; PAPER
01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
6Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
58from homopolycondensation products
62from polyesters
Applicants
  • 東レ株式会社 TORAY INDUSTRIES, INC. [JP]/[JP]
Inventors
  • 向阪 俊祐 KOSAKA Shunsuke
  • 篠川 恒 SASAGAWA Hisashi
  • 市川 智之 ICHIKAWA Tomoyuki
Agents
  • 特許業務法人栄光特許事務所 EIKOH PATENT FIRM, P.C.
Priority Data
2018-18261427.09.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) POLYESTER MONOFILAMENT FOR SCREEN CLOTH AND WOVEN MESH FABRIC FOR DIRECT DIGITAL PLATEMAKING
(FR) MONOFILAMENT DE POLYESTER POUR TISSU DE TAMIS ET TISSU À MAILLES TISSÉES POUR LA FABRICATION DIRECTE DE PLAQUES NUMÉRIQUES
(JA) 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
Abstract
(EN)
The present invention provides a polyester monofilament for screen cloths, which needs no dyeing step and is suitable for use in direct digital platemaking in which no positive film is used. The polyester monofilament makes it possible to attain a reduction in emulsion curing time and to thereby conduct highly precise screen printing in a short time period, has excellent laser-light transmission, and has excellent higher-order passability in weaving. The polyester monofilament for screen cloths of the present invention has a transmittance, in irradiation with light having a wavelength of 405 nm, of 30% or greater and has a breaking tenacity of 4.3-9.0 cN/dtex, an elongation at rupture of 11.0-50.0%, and a 10% modulus of 2.5-9.0 cN/dtex.
(FR)
La présente invention concerne un monofilament de polyester pour tissus de tamis, qui ne nécessite aucune étape de coloration et convient à une utilisation pour la fabrication directe de plaques numériques dans laquelle aucun film positif n'est utilisé. Le monofilament de polyester permet de raccourcir le temps de durcissement d'émulsion et de réaliser ainsi une sérigraphie très précise en un délai court, a une excellente transmission de lumière laser et une excellente aptitude au passage d'ordre supérieur dans le tissage. Le monofilament de polyester pour tissus de tamis selon la présente invention présente une transmittance, en irradiation avec de la lumière ayant une longueur d'onde de 405 nm, de 30 % ou plus et a une résistance à la rupture de 4,3 à 9,0 cN/dtex, un allongement à la rupture de 11,0 à 50,0 % et un module à 10 % de 2,5 à 9,0 cN/dtex.
(JA)
本発明は、染色工程を不要とし、ポジフィルムを介さず直接製版するダイレクトデジタル製版に好適な、乳剤硬化時間の短縮により短時間で高精細なスクリーン印刷を行うことを可能とする、レーザーの透過性に優れ且つ製織での高次通過性にも優れたスクリーン紗用のポリエステルモノフィラメントを提供する。本発明のスクリーン紗用ポリエステルモノフィラメントは、波長405nmを照射した際の透過率が30%以上であり、破断強度が4.3~9.0cN/dtex、破断伸度が11.0~50.0%、10%モジュラスが2.5~9.0cN/dtexとするものである。
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