摘要:
La présente invention concerne des filaments, fibres, fils mono ou multifilamentaires, pigmentés, à base de polyamide présentant une stabilité améliorée vis à vis de la dégradation par les rayonnements ultra-violets et les agents atmosphériques. Ils contiennent en particulier 15 à 100 ppm de cuivre par rapport au poids de polyamide, sous forme d'un composé du cuivre, 800 à 2000 ppm d'halogène sous forme d'un halogénure métallique et de 40 à 200 ppm de manganèse sous forme d'un composé du manganèse. Ils trouvent leur application sous forme de surfaces textiles en particulier surfaces floquées, non tissées,tapis, dans les emplois intérieurs ou extérieurs tels que les terrains sportifs, surfaces d'agrément, gazons synthétiques, etc...
摘要:
A process for introducing pigments or nonpigment colorants or stabilizers or mixtures thereof into a polyamide or polyester melt, comprising: a) feeding an additive in a liquid vehicle containing volatiles into a twin screw vented extruder which is extruding a polymer melt stream; b) mixing the polymer and additive in the extruder; c) removing the volatiles from the resulting mixture while in the extruder; and d) extruding a resulting substantially homogeneous polymer and additive melt.
摘要:
A temperature-sensitive color-changeable composite fiber wherein (A) a thermally color-changeable polymer phase (phase A) composed essentially of a thermally color-changeable material and a thermoplastic polymer having a melting point or a softening point of 230°C or lower, the content of the thermally color-changeable material being 0.5 to 90 % by weight and (B) a protective polymer phase (phase B) composed essentially of a fiber-forming thermoplastic polymer are brought into contact with each other, (i) the protective polymer phase (phase B) occupying at least 60 % of the fiber surface area, and (ii) the protective polymer phase (phase B) occupying 20 to 95 % by weight relative to the overall fiber. The composite fiber of this invention has reversibly thermally color-changeable performance of excellent temperature-sensitive color-changeability, color vividness, washing durability and light resistance.
摘要:
Producer-colored nylon fibers which are stain-resistant to acid dyes are made by adding pigment to nylon copolymers containing 0.25-4.0 percent by weight of an aromatic sulfonate or an alkali metal salt thereof. In addition process advantages relating to the use of the same copolymers in making pigmented nylon fibers are also disclosed.
摘要:
The invention relates to a synthetic technical multifilament bicomponent yarn, which is particularly meant for use in safety belts, ropes and nets. The bicomponent yarn is preferably of the sheath-core type of which only the core (11) contains a black pigment composed of carbon black particles and/or a reddish pigment composed of iron oxide particles and/or a whitish pigment composed of titanium dioxide particles of the rutil type, which pigments are insoluble in the polymeric material. The tenacity of the yarn may be about 70-85 cN/tex and the elongation at rupture of 7 to 15%.
摘要:
Bei einer grau gefärbten Folie aus thermoplastischen Kunststoffen wird die Graufärbung dadurch erreicht, daß dem thermoplastischen Kunststoff eine Mischung aus
a) Weißpigmenten und/oder Füllstoffen von weißer Farbe, und b) mindestens 2 von solchen organischen Buntpigmenten, deren Mischung einen grauen bis schwarzen Farbstoff besitzt, einverleibt wird. Diese grau gefärbten Folien und Verbunde aus diesen Folien mit anderen Folien besitzen ein unauffälliges Aussehen und eine starke Verdeckungswirkung, und eignen sich daher besonders gut zur Herstellung von fälschungssicheren Gebrauchsartikeln, wie Ausweis-Scheck- und Kreditkarten.
摘要:
Disclosed are a liquid colored oil and a colored polyamide fiber. The liquid colored oil contains a colorant and a base oil agent. The base oil agent is a liquid at normal temperature and normal pressure, and a solubility parameter (SP) value thereof is 7.5 to 15.0. The colored polyamide fiber contains the aforementioned liquid colored oil. The liquid color oil can be stably added into polymers and dye them during the spinning process. The colored polyamide fiber has excellent spinning and dyeing properties.
摘要:
The present invention relates to a method of producing color change in a substrate. The substrate includes an activatable colorant and a region that is heated prior to activating the activatable colorant. The substrate is exposed to electromagnetic radiation producing a first activated color region in the heated region and a second activated color region in a non heated region. The first activated color region appears in a different shade than the second activated color region.