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Flame-retardant anti-dripping polyester fiber and preparation method thereof

A polyester fiber and anti-droplet technology, which is used in the manufacture of fire-retardant and flame-retardant filaments, single-component polyester rayon, etc., can solve the problem of polyester polymerization affecting the anti-droplet performance, etc. The effect of improving performance, dispersibility, and improving use efficiency

Inactive Publication Date: 2018-01-09
HUIZHOU DHOMA IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a flame-retardant and anti-dripping polyester fiber and its preparation method. The technical solution provided by the present invention solves the problem of the phosphorus-based flame retardant in the preparation process of the current flame-retardant and anti-dripping polyester fiber. Technical problems such as dispersibility, influence on polyester polymerization and poor droplet resistance

Method used

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Examples

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Effect test

preparation example Construction

[0035] At present, the preparation method of flame-retardant and anti-dripping polyester fiber mainly has poor dispersion of flame retardants, and the flame retardants have a catalytic degradation effect on polyester, so high content cannot be achieved, and the anti-dripping properties still need to be further improved, etc. question.

[0036] In order to solve the above technical problems, an embodiment of the present invention provides a flame-retardant and anti-dripping polyester fiber with a limiting oxygen index of 28-34. The flame-retardant and anti-dripping polyester fiber is prepared by the following preparation method of the flame-retardant and anti-dripping polyester fiber:

[0037] A method for preparing a flame-retardant and anti-melt-dripping polyester fiber, comprising the following steps: preparing a flame-retardant and anti-melt-dripping agent by reacting a phosphorus-based flame retardant with graphene oxide under certain conditions; Diol is used as raw mater...

Embodiment 1

[0055] A flame-retardant anti-droplet polyester fiber with a limiting oxygen index of 28. The preparation method of the flame-retardant and droplet-resistant polyester fiber comprises the following steps:

[0056] (1) Preparation of flame retardant and anti-melt drop agent

[0057] Add graphene oxide and phosphorus-based flame retardants into a certain amount of methanol solution in a certain proportion, use methanol metal salt as a catalyst, and react under certain conditions for a period of time. After the reaction is completed, filter, wash, and dry to obtain flame retardant Anti-dripping agent.

[0058] Wherein the oxygen content of graphene oxide is 10%; the phosphorus-based flame retardant is 2-carboxyethylphenylphosphinic acid (CEPPA); the ratio of graphene oxide and phosphorus-based flame retardant is a mass ratio of 5:1; methanol solution The mass of graphene oxide contained in the medium is 5%; the catalyst is more than one kind of potassium methylate, and the addi...

Embodiment 2

[0069] A flame-retardant anti-droplet polyester fiber with a limiting oxygen index of 34. The preparation method of the flame-retardant and droplet-resistant polyester fiber comprises the following steps:

[0070] (1) Preparation of flame retardant and anti-melt drop agent

[0071] Add graphene oxide and phosphorus-based flame retardants into a certain amount of methanol solution in a certain proportion, use methanol metal salt as a catalyst, and react under certain conditions for a period of time. After the reaction is completed, filter, wash, and dry to obtain flame retardant Anti-dripping agent.

[0072] The oxygen content of graphene oxide is 50%; the phosphorus flame retardant is [(6-oxo-6H-dibenzo[c,e][1,2]oxaphosphorin-6-yl)methyl ] succinic acid (DDP); the ratio of graphene oxide and phosphorus-based flame retardant is a mass ratio of 1:5; the methanol solution containing graphene oxide quality is 5%; the catalyst is sodium methylate, and the amount added is graphene...

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Abstract

The invention relates to flame-retardant anti-dripping polyester fiber and a preparation method thereof. A phosphorus-based flame retardant and graphene oxide react under a certain condition to prepare a flame-retardant anti-dripping agent, then terephthalic acid and ethylene glycol are utilized as raw materials, the flame-retardant anti-dripping agent is introduced into a polyester matrix by an in-situ polymerization method to prepare flame-retardant anti-dripping polyester, and then the flame-retardant anti-dripping polyester fiber is prepared by a melt spinning assembly. A technology designed by the invention not only reduces an effect of the phosphorus-based flame retardant in a polyester polymerization process, but also utilizes excellent dispersing performance and anti-dripping performance effects of the graphene oxide to make a final product have flame-retardant anti-dripping performance. The flame retardance of the prepared flame-retardant anti-dripping polyester fiber is obviously improved, and the prepared flame-retardant anti-dripping polyester fiber can be widely applied to the fields of home textiles, clothes, sports, leisure and the like.

Description

technical field [0001] The invention relates to the technical field of recycled chemical fibers, in particular to a flame-retardant and droplet-resistant polyester fiber and a preparation method thereof. Background technique [0002] Because polyester has excellent mechanical properties, wear resistance, processing properties, etc., it is widely used in the fields of fibers, films, and plastics. However, the limiting oxygen index of polyester is only about 21%, which is combustible, and the molten droplets produced when polyester is burned will not only cause burns, but also may cause secondary fires and cause secondary injuries to people. The flammability of polyester and the serious droplet phenomenon during burning have brought great safety hazards to people's production and life. Therefore, flame retardant and anti-dripping polyester is a hot research topic at present. [0003] Chinese invention patent CN 102978735A discloses a manufacturing method of flame-retardant a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F6/92D01F1/07C08G63/78C08G63/183
Inventor 侯忠陈友乾王水棚
Owner HUIZHOU DHOMA IND CO LTD
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