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1. WO2020142230 - ARTIFICIAL TURF GRASS WITH NATURAL APPEARANCE

Publication Number WO/2020/142230
Publication Date 09.07.2020
International Application No. PCT/US2019/067362
International Filing Date 19.12.2019
IPC
D01F 1/10 2006.1
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
1General methods for the manufacture of man-made filaments or the like
02Addition of substances to the spinning solution or to the melt
10Other agents for modifying properties
E01C 13/08 2006.1
EFIXED CONSTRUCTIONS
01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
13Pavings or foundations specially adapted for playgrounds or sports grounds
08Surfaces simulating grass
D01F 1/04 2006.1
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
1General methods for the manufacture of man-made filaments or the like
02Addition of substances to the spinning solution or to the melt
04Pigments
CPC
D01F 1/04
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
1General methods for the manufacture of artificial filaments or the like
02Addition of substances to the spinning solution or to the melt
04Pigments
D01F 1/10
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
1General methods for the manufacture of artificial filaments or the like
02Addition of substances to the spinning solution or to the melt
10Other agents for modifying properties
D01F 6/04
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
02from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
04from polyolefins
D06N 7/0065
DTEXTILES; PAPER
06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
7Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
0063Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf
0065characterised by the pile
E01C 13/08
EFIXED CONSTRUCTIONS
01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
13Pavings or foundations specially adapted for playgrounds or sports grounds; ; Drainage, irrigation or heating of sports grounds
08Surfaces simulating grass ; ; Grass-grown sports grounds
Applicants
  • DOW GLOBAL TECHNOLOGIES LLC [US]/[US]
Inventors
  • ALVAREZ, Eduardo
  • LOPEZ, David
  • SANDKUEHLER, Peter Hermann Roland
Agents
  • ZERULL, Susan M.
Priority Data
19382003.203.01.2019EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ARTIFICIAL TURF GRASS WITH NATURAL APPEARANCE
(FR) GAZON ARTIFICIEL D'ASPECT NATUREL
Abstract
(EN)
Disclosed herein is a turf filament comprising from 50 to 99.5 weight percent of a base polymer selected from polyolefins, polyamides, polyesters and combinations thereof, from 0.1 to 20 weight percent of polymer particles having a core and a shell structure where the core comprises a first polymeric material having a first refractive index and the shell comprises a second polymeric material having a second refractive index that is different from the first refractive index, from 0.5 to 30 weight percent of a compatibilizer and from 0 to 10 weight percent of a colorant based on total weight of the filaments. Also disclosed is a synthetic turf comprising such filaments. These filaments provide a turf with a natural appearance.
(FR)
L'invention concerne un filament de gazon comprenant de 50 à 99,5 % en poids d'un polymère de base sélectionné parmi des polyoléfines, des polyamides, des polyesters et des combinaisons de ceux-ci, de 0,1 à 20 % en poids de particules de polymère comprenant un noyau et une structure d'enveloppe, le noyau comprenant un premier matériau polymère présentant un premier indice de réfraction et l'enveloppe comprenant un deuxième matériau polymère présentant un deuxième indice de réfraction, différent du premier indice de réfraction, de 0,5 à 30 % en poids d'un agent compatibilisant et de 0 à 10% en poids d'un colorant, en fonction du poids total des filaments. L'invention concerne également un gazon synthétique comprenant ces filaments. Les filaments selon l'invention permettent d'obtenir un gazon présentant un aspect naturel.
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