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Large-diameter polymer bent filament and production method thereof

A production method and polymer technology, applied in the direction of one-component polyester rayon, one-component polyolefin rayon, melt spinning, etc., can solve the problem of affecting work performance and application range, strength, elongation at break Dry heat shrinkage, curling defects and other problems, to achieve the effect of wide application range, high uniformity and convenient operation

Active Publication Date: 2014-04-23
NANTONG NTEC MONOFILAMENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing monofilaments have defects in strength, elongation at break, dry heat shrinkage, crimpability, etc., which affect work performance and application range

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0010] A kind of large-diameter polymer curved wire, composed of polymer and masterbatch, wherein the weight percentage of polymer is 95-98%, and the weight percentage of nano powder is 2-5%; the polymer is polyterephthalene One or more of ethylene formate, polytrimethylene terephthalate, polybutylene terephthalate, and polypropylene; the masterbatch is nano-calcium carbonate masterbatch or nano-titanium dioxide masterbatch; Monofilament diameter or equivalent diameter is 0.05~2mm, monofilament strength ≥3.0CN / dtex, elongation at break 15~35%, crimp rate 25~35%, crimp stability ≥85%. The monofilament section is round or profiled.

[0011] The production method of the above-mentioned large-diameter polymer curly filament is: comprising the steps of polymer drying, raw material mixing, melt extrusion, cooling, drawing, and heat setting, and is characterized in that: after heat setting, mechanical crimping is also carried out; The melt temperature is 285~305℃, the draw ratio of ...

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Abstract

The invention discloses a large-diameter polymer bent filament. The large-diameter polymer bent filament is composed of a polymer and a master batch, wherein the weight percent of the polymer is 95-100% and the weight percent of nano powder is 0-5%; the polymer is composed of one or more of polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate and polypropylene; the master batch is a nano calcium carbonate master batch or a nano titanium dioxide master batch; the filament is 0.05-2mm in diameter or equivalent diameter; the monofilament intensity is more than or equal to 3.0CN / dtex; the elongation at break of the monofilament is 15-35%; the bending rate is 25-35%; the bending stability is more than or equal to 85%. The large-diameter polymer bent filament has the advantages of simple process, convenience in operation and wide application range; the formed fiber has the characteristics of high tenacity, excellent bending performance and high uniformity and the like.

Description

technical field [0001] The invention relates to a production method of polyester monofilament. Background technique [0002] Existing monofilaments have defects in properties such as strength, elongation at break, dry heat shrinkage, crimpability, etc., which affect work performance and application range. Contents of the invention [0003] The object of the present invention is to provide a large-diameter polymer curved wire with good working performance and its production method. [0004] Technical solution of the present invention is: [0005] A kind of large-diameter polymer curved wire is characterized in that: it is composed of a polymer and a masterbatch, wherein the weight percentage of the polymer is 95-100%, and the weight percentage of the nano-powder is 0-5%; the polymer is One or more of polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, and polypropylene; the masterbatch is nano calcium carbonate masterbatch or nano Tita...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F6/92D01F6/46D01F1/10D01F1/09D01D1/04D01D5/098D01D10/02D01D5/088
Inventor 马海燕
Owner NANTONG NTEC MONOFILAMENT TECH CO LTD
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