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Manufacturing method of flame retardant polyester polymer, polyester polymer and fiber therefrom

A technology of flame-retardant polyester and polymer, applied in the manufacture of fire-retardant and flame-retardant filament, single-component polyester rayon, etc., can solve the problems of high cost and easy combustion

Active Publication Date: 2008-05-28
HYOSUNG CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the disadvantage of this conventional polyester is that it is easy to burn
Furthermore, in most methods of producing PET using phosphorus-based flame retardants, there is a problem that it is different from the method of producing PET by polymerizing terephthalic acid (hereinafter referred to as "TPA") used as a raw material. Compared with the method of producing PET by polymerizing dimethyl terephthalate (hereinafter referred to as "DMT") used as a raw material, the cost is higher

Method used

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  • Manufacturing method of flame retardant polyester polymer, polyester polymer and fiber therefrom
  • Manufacturing method of flame retardant polyester polymer, polyester polymer and fiber therefrom
  • Manufacturing method of flame retardant polyester polymer, polyester polymer and fiber therefrom

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0080] A slurry was prepared using 1300 kg of TPA and 560 kg of EG. The prepared slurry was fed into DE-1 reactor 3 (wherein, while maintaining the temperature of DE-1 reactor 3 at a temperature of 260° C., 1.5 tons of bishydroxyethyl terephthalate and its low Molecular weight oligomers were stirred at a temperature of 260° C. for 3 hours). The slurry added thereto was refluxed while stirring for 30 minutes, whereby the esterification rate of the slurry reached 97%. Of the oligomers produced, 1.5 tons of oligomers were left in DE-1 reactor 3 and the rest were transferred to DE-2 reactor 5 . At room temperature, the 68kg by the above chemical formula 1 (wherein R 1 is hydrogen, R 2 is phenyl, R 3 The flame retardant represented by hydrogen) is mixed with 68kg EG and added to DE-2 reactor 5. In addition, manganese acetate (which is a manganese salt used to prepare an ultraviolet stabilizer) was charged into DE-2 reactor 5 so that the amount of manganese in manganese acetate w...

Embodiment 2

[0085] The flame retardant polyester polymer was manufactured using the same method as in Example 1, except that the phosphorus flame retardant and EG were reacted at a temperature of 190° C. for 4 hours, and then added to the DE-2 reactor.

Embodiment 3

[0087] The flame retardant polyester polymer was manufactured using the same method as in Example 1, except that the phosphorus flame retardant and EG were reacted at a temperature of 190° C. for 4 hours, and then added into the polycondensation reactor.

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PUM

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Abstract

The invention discloses a method for producing a flame-resistance polymer through the following steps: a phosphor-series flame-resistance agent expressed in the following chemical formula I is added into the second esterifying reaction process so that the phosphor quantity in the phosphor-series flame-resistance agent is 500ppm to 50000ppm relative to the quantity of the polymer; and manganese salt and phosphor-included compound (both are UV stabilizers) are added into the second esterifying reaction process so that the quantities of Mg and phosphor in the manganese salt and phosphor-included compound are both 0.1ppm to 500ppm. The invention also discloses a polyester polymer produced through the method, and a polyester fiber produced through the polyester polymer. The polyester polymer and the polyester fiber both have a permanent flame-resistance property and an excellent UV stability.

Description

technical field [0001] The present invention relates to a method for producing polyester polymers and polymers and fibers produced using the method, more particularly, the present invention relates to a method for producing flame-retardant polymers through the following steps: in the second esterification reaction process Add the phosphorus-based flame retardant represented by the following chemical formula 1, so that the amount of phosphorus in the above-mentioned phosphorus-based flame retardant is 500ppm to 50000ppm relative to the amount of the polymer, and then add manganese salt and phosphorus-containing compound (they are all ultraviolet Stabilizer), so that the amount of manganese and phosphorus in the above-mentioned manganese salt and phosphorus-containing compound is 0.1ppm~500ppm; the present invention also relates to the polyester polymer produced by this method and the polyester Department of fiber. [0002] Background technique [0003] In general, polyest...

Claims

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Application Information

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IPC IPC(8): C08G63/183C08G63/78D01F6/62D01F1/07
CPCC08G63/6926C09K21/12D01F1/07C08G63/83C08G63/78D01F6/62C08G63/183C08G63/692C08G2261/594C08K5/5313C08L67/00C08L2201/02C08L2201/22C08L2666/82C08L2666/84
Inventor 梁承哲
Owner HYOSUNG CORP
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