Tearable non-woven fabric making method

A production method and non-woven technology, which can be used in non-woven fabrics, textiles and papermaking, etc., can solve the problems of uneven cross-section, difficult transverse tearing, inconvenient use, etc., and achieve the effect of flat cross-section.

Active Publication Date: 2008-05-21
SUZHOU MEDSPORT PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When used as a bandage, it is difficult to tear it from the horizontal direction, or after it is torn off by force, its cross section is also very irregular, and medical personnel or related users often have to cut it with scissors, which makes it inconvenient to use

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Tearable non-woven fabric making method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Get the model that Shanghai petrochemical company produces is the polypropylene chip (particle) 98 weight parts of Y37007, mix into brown color masterbatch chip (particle) 2 weight parts, and add 2 weight parts antioxidant 1010 and 1 weight part photostable Agent UV-327, mixed evenly, sucked into the screw extruder by the vacuum feeding system, controlled the temperature between 225-230°C, melted and extruded the polymer, the melt was filtered by a filter, metered by a metering pump, and then sprayed The plate is sprayed into filaments, the temperature of the spinneret is controlled between 200-250°C, and the spinning speed is controlled between 3500-4000m / min. Then, the ejected silk is introduced into the air duct, blown and cooled by side blowing, and the blowing speed is set between 0.8-1.0m / s. After the cooled filaments are drafted by the drafting machine, they are guided by the carding machine to move back and forth on the transmission net that is at right angles t...

Embodiment 2

[0015] Get the model produced by Shanghai Petrochemical Company as 95 parts by weight of polypropylene slices (particles) of Y37007, add 5 parts by weight of deep blue color masterbatch chips (particles), and add 3 parts by weight of antioxidant 1076, mix them by vacuum The material system is sucked into the screw extruder, and the temperature is controlled between 230-235°C to melt and extrude the polymer. The melt is filtered through a filter, metered by a metering pump, and then sprayed out through the spinneret to form filaments, and the spinneret spins The temperature is controlled between 250-300°C, and the spinning speed is controlled between 4000-4500m / min. Then, the ejected silk is introduced into the air duct, and is blown and cooled by side blowing, and the blowing speed is set between 1.4-1.6m / s. After the cooled filaments are drafted by the drafting machine, they are guided by the carding machine to move back and forth on the transmission net that is at right angl...

Embodiment 3

[0017] Take 99 parts by weight of polyester chips or nylon chips, add 1 part by weight of white masterbatch chips (particles), and add 2 parts by weight of light stabilizer UV-327, after mixing, suck it into the screw extruder by the vacuum feeding system , control the temperature between 228-232°C, melt and extrude the polymer, the melt is filtered through a filter, metered by a metering pump, and then sprayed out through a spinneret to form filaments, and the temperature of the spinneret is controlled at 250-280°C Between, the spinning speed is controlled between 3500-4000m / min. Then, the ejected silk is introduced into the air duct, blown and cooled by side blowing, and the blowing speed is set between 1.0-1.2m / s. After the cooled filaments are drafted by the drafting machine, they are guided by the carding machine to move back and forth on the transmission net that is at right angles to the carding machine, to lay and overlap, and to lay the semi-finished non-woven fabric ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention supplies a tearable non-woven fabrics and the manufacturing method. Tearable non-woven fabrics is made up of polypropylene slice up that takes up 95%-99%, color agglomerate that takes up 1%-5%, antioxidant that takes up 0-3%, and light stabilizer that takes up 0-2% by the method of melt viscidity. The manufacturing process is the following steps: extruding raw material frused through screw extruder, filtrating by the melt filtration machine, measuring by metering pump, spraying silk, cooling, air drafting, mesh placement concretion, and punching. The feature is form filament transverse run during the mesh placement process. It would be convenient for medical care personnel to use.

Description

technical field [0001] The invention relates to a non-woven fabric and a manufacturing method thereof, in particular to a tearable non-woven fabric and a manufacturing method thereof. Background technique [0002] Non-woven fabrics are widely used as sanitary cloths, bandages and industrial geotextiles. Among them, the non-woven fabric produced by spunbonding method with polypropylene as the main raw material has the characteristics of low melting point, good tensile tension, good fatigue resistance, mildew resistance, antisepsis and antibacterial, etc., and is widely used in the medical bandage industry. But the polypropylene non-woven fabric of prior art is owing to adopt parallel laying net or claim parallel type laying net in its production process, the non-woven fabric that makes to produce can't be torn. When used as a bandage, it is difficult to tear it from the horizontal direction, or after it is torn off by force, its section is also very irregular, and medical pe...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D04H3/02
Inventor 李晓毛邓永航徐天骥刘军刘福民
Owner SUZHOU MEDSPORT PROD
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