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Color-changed polyester and preparation method thereof

A technology of polyester and polyester chips, applied in the direction of dyeing physical treatment, dyeing low molecular organic compound treatment, fibrous filler, etc. Completely meet and other problems to achieve the effect of broad market prospects, large specific surface area and high surface energy

Active Publication Date: 2014-09-10
CHINA RESOURCES PACKAGING MATERIALS CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the structure of polyester itself and the good transparency of polyester bottles, the product's resistance to sunlight and ultraviolet rays cannot fully meet the packaging requirements of some contents.
At present, in order to block the light from passing through the product, the more commonly used method is to add colorants to polyester, but this will make consumers unable to see the actual product and worry about product quality, whether there are impurities, etc., which seriously hinders consumption. consumer perception and purchase behavior

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0018] Example 1, (1), mix 0.05g of cetyltrimethylammonium bromide and 97.95g of ethylene glycol, then add 2g of nickel oxide into the mixture, stir for 1 hour and then ultrasonically disperse for 3 hours , to obtain nickel oxide suspension;

[0019] (2) Mix 0.1g of sodium hexametaphosphate and 199.9g of ethylene glycol, then add 50g of cerium trifluoride into the mixture, and then adjust the pH value of the mixture to 3 with nitric acid; The mixed system was ground for 5 hours with a grinder to obtain a suspension of cerium trifluoride;

[0020] (3) Prepare 8.6KG of purified terephthalic acid, 3.6L of ethylene glycol, 5.6g of antimony acetate as a catalyst, and 0.4g of polyphosphoric acid as a stabilizer to form a slurry, then stir and add all the nickel oxide suspensions that have been prepared above, and esterify The reaction is carried out in two stages. In the first stage, the temperature is raised to 205°C, the reaction time is 2 hours, and the pressure is 4MPa; the sec...

example 2

[0021] Example 2, (1), mix 0.08g of cetyltrimethylammonium bromide and 96.92g of ethylene glycol, then add 3g of nickel oxide into the mixture, stir at high speed for 1 hour and then ultrasonically disperse 3 Hour, obtain nickel oxide suspension;

[0022] (2) Mix 0.3g of sodium hexametaphosphate and 449.7g of ethylene glycol, then add 150g of cerium trifluoride into the mixture, and then adjust the pH value of the mixture to 3 with nitric acid; The mixed system was ground for 5 hours with a grinder to obtain a suspension of cerium trifluoride;

[0023] (3) Prepare 8.46KG of purified terephthalic acid, 3.4L of ethylene glycol, 5.6g of antimony acetate as a catalyst, and 0.4g of polyphosphoric acid as a stabilizer to form a slurry, then stir and add all the nickel oxide suspensions that have been prepared above, and esterify The reaction is carried out in two stages. In the first stage, the temperature is raised to 205°C, the reaction time is 2 hours, and the pressure is 4MPa; ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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PUM

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Abstract

The invention relates to a color-changed polyester which is characterized in that the polyester contains nickel oxide with a particle size of 10-30 um and cerous fluoride with a particle size of 10-80 um; and the weight content of nickel oxide in the polyester is 0.001-0.03%, and the weight content of cerous fluoride in the polyester is 0.1-2%. The invention also relates to a method for preparing the color-changed polyester. The color-changed polyester and the preparation method thereof disclosed by the invention have the advantages that the color of a color-changed polyester product is darkened under sunlight and ultraviolet light, when the light disappears, the color of the product is faded, and the transparency of the product is still maintained; and the post-processing technology of the polyester is convenient, and the good mechanical and processing properties of the polyester can be kept.

Description

technical field [0001] The invention relates to a polyester with a color-changing function; in particular, it relates to a polyester with a color-changing function containing nickel oxide and cerium trifluoride and a preparation method thereof. Background technique [0002] Polyester is a highly crystalline polymer with excellent mechanical properties. Among thermoplastics, its strength and toughness are the largest, and it has good rigidity, hardness, wear resistance, folding resistance and dimensional stability, and creep resistance. sex is better. Polyester has excellent odor prevention, good air tightness and moisture resistance. Bottles made of polyester have the characteristics of high strength, good transparency, non-toxicity, light weight, high production efficiency, and low cost, so they are widely used. The application fields of polyester bottles have been developed to edible oil, purified water, carbonated beverages, tea, fruit juice, condiments, medicines, cosm...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G63/183C08G63/78C08K9/04C08K3/22C08K3/16C09C1/00C09C3/08C09C3/04C08L67/02
Inventor 朱振达宗建平陈旭陈小雷徐梅
Owner CHINA RESOURCES PACKAGING MATERIALS CO LTD