Method for preparing surface storing special-shaped monofilament
A monofilament and special-shaped technology, which is applied in the field of textile fiber production, can solve the problems of easy falling off of coating materials and small specific surface area of ordinary circular monofilaments, so as to increase the efficiency of purification functions, improve the production and efficiency of breeding, and promote a large society. and economic effects
Active Publication Date: 2015-03-04
EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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- Description
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Problems solved by technology
[0004] What the present invention needs to solve is to provide a method for preparing special-shaped monofilaments with surface storage materials, so as to solve the problems of small specific surface area and easy shedding of coating materials in existing ordinary circular monofilaments
Method used
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Embodiment Construction
[0008] The specific embodiment of the present invention operates according to the following process steps:
[0009] 1. Equip a spinning die with a star-shaped monofilament orifice at the die mouth of the metering pump, so that when the monofilament is ejected from the die mouth, it will directly form a star-shaped monofilament 2 on the surface (see the attached figure). The height of the tooth profile peak is 0.1-0.3 times the diameter of the monofilament, the area of the guide hole flow channel in the spinneret die is 6-10 times the area of the star-shaped wire hole, and the length of the guide hole is 160%-200% of the length of the monofilament nozzle hole ;The ratio of the length of the monofilament nozzle hole to the diameter is 6-10, so that the surface area of the monofilament with the same diameter can be more than doubled;
[0010] 2. Mix and melt high-density HDPE and PP plastic extruders with a density of 0.955 g / cm3 at a temperature of 160°C to 265°C, and then...
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Abstract
The invention discloses a method for preparing surface storing special-shaped monofilament and relates to a textile fiber production technology. The method is characterized in that a spinneret die with a star-like monofilament spinneret orifice is arranged at the monofilament die orifice of a metering pump, so that monofilaments with star-like surfaces can be spurted from the monofilament die orifice; the monofilaments are mixed and melted by a high-density HDPE (high-density polyethylene) and PP (poly propylene) plastic extruder, and then extruded by the metering pump at the temperature of 250-265 DEG C; the melted and extruded monofilaments are placed in a drawing machine to be drawn after being cooled; the drawn monofilaments are placed in a setting machine to be set and dried; the dried and set monofilaments pass through a glue tank with water soluble polyvinyl alcohol, fertilizer used for cultivating plants or sterilizing or released effective substances for an air purification filter net are mixed in the water soluble polyvinyl alcohol glue; and the dried and glued monofilaments are rolled up in a rolling machine. The monofilaments manufactured by the method can be directly woven into a net or woven into a cultivation net or air purification filter net fabric after being twisted.
Description
technical field [0001] The invention relates to textile fiber production technology. Background technique [0002] The attachment net for marine plant breeding mainly solves the problem of seawater pollution caused by adding fertilizers to the waters in the traditional breeding method; it is impregnated with amino resin after twisting with thinner fiber multifilament and ordinary monofilament, and adding fertilizer to the amino resin The attached net formed by drying, the disadvantage of this kind of attached net is that once the amino resin used is dry, only the surface fertilizer can be released, and the surface fertilizer will lose the feeding function after the surface fertilizer is released. [0003] Air-conditioning and other air-purifying filters release bactericidal effective substances that are co-extruded and covered by plastics or covered by indecomposable resins and rubber materials. Once extruded or dried, only the surface functional materials can be released, a...
Claims
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IPC IPC(8): D01D5/253D01D11/06D06M23/02
Inventor 马海有闵明华石建高王磊刘永利王鲁民
Owner EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI