Preparation method of fishery polyamide wear-resistant monofilament

A polyamide and polyamide resin technology, applied in the direction of single-component polyamide rayon, rayon manufacturing, and filament production, to achieve the effects of expanding the application range, increasing the service life, and reducing the cost of use

Active Publication Date: 2013-06-12
EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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  • Abstract
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Problems solved by technology

[0008] The polyamide wear-resistant monofilament obtained by the above process of the present invention is tested by a wear-resistant instrument, showing that the wear-resistant polyamide monofilament has a better wear-resistant effect, and the prepared monofilament has improved the wear-resistant performance of the polyamide m

Method used

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Embodiment Construction

[0009] The invention adopts polyamide resin, ultra-high molecular weight polyethylene powder, active nano silicon dioxide, and PE grafted maleic anhydride; the polyamide resin has a molecular weight of 13,000-18,000; the ultra-high molecular weight polyethylene powder has a molecular weight of 800,000 -4 million; active nano silica, model HL-300; PE grafted maleic anhydride, model PE KT-12; the above materials are commercially available chemical raw materials; polyamide resin 80wt%-96wt% and content 2wt% -18wt% ultra-high molecular weight polyethylene powder, content 0.2wt%-0.9wt% active nano-silica, content 1.5wt%-3.5wt%PE grafted maleic anhydride mixed; PE grafted maleic anhydride endows polyolefin Polarity and adhesiveness, improve the adhesion of polyamide, ultra-high molecular weight polyethylene and nano-silica, improve the strength and bending strength of polyamide modification, as ultra-high molecular weight polyethylene and polymers containing polar groups A compatibi...

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Abstract

The invention discloses a preparation method of a fishery polyamide wear-resistant monofilament. The fishery polyamide wear-resistant monofilament comprises polyamide resin, ultra-high molecular weight polyethylene powder, active nano silicon dioxide and PE (polyethylene) grafting maleic anhydride. The preparation method is characterized by comprising the following steps of: mixing polyamide resin, ultra-high molecular weight polyethylene powder, active nano silicon dioxide and PE grafting maleic anhydride; stirring by a stirrer after mixing, heating by a twin screw and granulating into particles by a granulator, mixing and melting the mixed particles through a plastic extruding machine with a mixing head, extruding through a high pressure metering pump, cooling molten and extruded monofilament to put in a drawing machine for drawing with the drawing temperature of 90-95 DEG C and the drawing time of 5-6.5 times, putting the drawn monofilament in a setting machine for setting, carrying out surface coating treatment on the monofilament through an antistatic oil, and winding the set monofilament on a winding machine, wherein the winding tension of 0.06-6mm monofilament is 50-800cN, and the winding speed is 10-200m/min.

Description

Technical field: [0001] The invention relates to a method for preparing polyamide monofilament. Background technique [0002] The polyamide monofilaments used for ordinary textiles, papermaking equipment leader yarns or press felts use polyamide crosslinking technology to add 0.1wt% to 10wt% of crosslinking and bonding enhancer triallyl isocyanurate ( TAIC), and then irradiate the monofilament with electron beam 0.1-30kGy. This kind of wear-resistant monofilament has poor transparency and softness, which does not meet the requirements of fishing monofilament. [0003] Use 2wt% silane (greater than 4 million molecular weight) and content greater than 1wt% silicon dioxide (less than 10 nanometers) to mix in polyamide resin by weight percentage to improve the technical difficulty and high cost of wear resistance. [0004] The polyamide monofilament with improved stability and wear resistance contains 1wt% to 30wt% maleic anhydride modified polyethylene / polypropylene and 3% ant...

Claims

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Application Information

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IPC IPC(8): D01F6/90D01F1/10D01D13/00D01D1/04D01D5/08D01D5/12D01D11/06
Inventor 马海有闵明华张勋石建高王鲁民
Owner EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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