Preparation method of negative ion release, far-infrared and fire retardation composite function polyester fibers

A flame-retardant composite and polyester fiber technology, which is applied in the field of polyester fiber manufacturing, can solve the problems of not having far-infrared radiation and flame-retardant functions, and achieve good flame-retardant and radiation performance effects

Active Publication Date: 2015-10-21
浙江真北纺织新材料研究院有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its shortcoming: it only has negative ion release rate and far infrared refle

Method used

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  • Preparation method of negative ion release, far-infrared and fire retardation composite function polyester fibers

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Embodiment 1

[0008] Embodiment 1: with reference to attached figure 1 . A preparation method for releasing negative ions, far-infrared and flame-retardant composite functional polyester fibers. Add 2-carboxyethylphenylphosphinic acid, a copolymerized phosphorus-based flame retardant, into the pre-esterification reaction kettle, and slowly raise the temperature to 140-160°C under the conditions of vacuuming to a constant value of 0.002-0.012Mpa and stirring , keep the esterification for 2 to 5 hours; generate H during the esterification process 2 O, separated H 2 O metering, supplementing EG with the same mass fraction of separated water to prepare 2-carboxyethylphenylphosphinic acid diethylene glycol ester flame retardant pre-esterification solution I for later use, and its acid value is not greater than 65mgKOH / g; (2) Preparation of composite additives: Stir and disperse 0.8 to 1.2 parts by mass of nanoscale natural tourmaline negative ion powder, 0.8 to 1.2 parts by mass of nanoscale ...

Embodiment 2

[0009] Example 2: On the basis of Example 1, a preparation method for releasing negative ions, far-infrared and flame-retardant composite functional polyester fibers, (1) Preparation of flame-retardant pre-esterification liquid: 1 mass part of ethylene glycol , 0.8 parts by mass of the copolymerized phosphorus-based flame retardant 2-carboxyethylphenylphosphinic acid was added to the pre-esterification reaction kettle, and the temperature was slowly raised to 140 under the condition of vacuuming to a constant value of 0.002-0.012Mpa and stirring. ~160℃, keep esterification for 2~5 hours; generate H during esterification 2 O, separated H 2 O metering, supplementing EG with the same mass fraction of separated water to prepare 2-carboxyethylphenylphosphinic acid diethylene glycol ester flame retardant pre-esterification solution I for later use, and its acid value is not greater than 65mgKOH / g; (2) Preparation of composite additives: Stir and disperse 0.8 mass parts of nano-scal...

Embodiment 3

[0010] Example 3: On the basis of Example 1, a preparation method for releasing negative ions, far-infrared and flame-retardant composite functional polyester fibers, (1) Preparation of flame-retardant pre-esterification liquid: 1.5 parts by mass of ethylene glycol , 1.2 parts by mass of the copolymerized phosphorus-based flame retardant 2-carboxyethylphenylphosphinic acid was added to the pre-esterification reaction kettle, and the temperature was slowly raised to 140 under the condition of vacuuming to a constant value of 0.002-0.012Mpa and stirring. ~160℃, keep esterification for 2~5 hours; generate H during esterification 2 O, separated H 2O metering, supplementing EG with the same mass fraction of separated water to prepare 2-carboxyethylphenylphosphinic acid diethylene glycol ester flame retardant pre-esterification solution I for later use, and its acid value is not greater than 65mgKOH / g; (2) Preparation of composite additives: Stir and disperse 1.2 mass parts of nano...

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Abstract

The present invention relates to a preparation method of negative ion release, far-infrared and fire retardation composite function polyester fibers with effects of permanent negative ion release and good far-infrared radiation performance, wherein ethylene glycol (EG) and refined p-phthalic acid (PTA) are adopted as main materials, a phosphorus-based polymerization type fire retardation agent 2-carboxyethyl(phenyl) phosphinic acid (CEPPA), negative ion powder (such as nano-scale tourmaline and the like), far-infrared nano-scale ceramic powder, a catalyst, a matting agent and other auxiliary agents are added, and esterification, condensation polymerization and spinning are performed to prepare the modified polyester fibers. According to the present invention, the fire retardation property is good, the environmentally friendly and permanent fire retardation is provided, the P content is up to 7000-14000 PPm, and the fire retardation property of the woven fabric can meet the fabric fire retardation grade 1; the fibers have the permanent negative ion release function, and the released negative ion amount is 800-5000/cm<3>; and the far-infrared radiation property is good.

Description

technical field [0001] The invention relates to a preparation method of a polyester fiber with the function of permanently releasing negative ions and the amount of releasing negative ions, and at the same time having good far-infrared radiation and reflection performance, releasing negative ions, far-infrared and flame-retardant composite functions, belonging to the field of polyester fiber manufacturing . Background technique [0002] CN102409426A, the name "a preparation method of a hydrophilic functional hollow polyester fiber", comprises the following steps: polyester (component A), hydrophilic modified polyester masterbatch (component B), electrical The four components of stone powder polyester masterbatch (component C) and ceramic powder polyester masterbatch (component D) are blended and melt spun in a certain proportion, extruded through a hollow spinneret, and subjected to a post-treatment process to produce A hydrophilic functional hollow polyester fiber is obtai...

Claims

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Application Information

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IPC IPC(8): D01F6/92D01F1/07D01F1/10C08G63/692C08G63/86
Inventor 何乐陆文龙兰其勇朱爱民
Owner 浙江真北纺织新材料研究院有限公司
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