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Nanometer composite material of polyester and abio-silicate and preparing method thereof

A nano-composite material and inorganic silicate technology, which is applied in the field of nano-composite materials, can solve the problems of narrow application range and many aggregated particles of composite materials, and achieve the effects of smooth surface, increased film transparency and lower injection mold temperature

Inactive Publication Date: 2004-06-16
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The heat resistance and the toughness and processability of organic polymers achieve a satisfactory combination, but the obtained nanocomposites have a narrow application range, and there are many aggregated particles in the composite materials.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033]Example 1 Preparation of metal oxides 20 grams of zirconium oxychloride and 8 grams of ammonium hydroxide (ammonia water) were reacted between 60 ° C and 80 ° C, and the stirring speed and the concentration of the reactants were controlled to control the precipitation of aggregates The particle size does not exceed 300 nm. The obtained product only needs to remove the ammonium salt according to a conventional method, and is directly used in the present invention without drying. The physical parameters of the obtained inorganic salt material are shown in Table 1

Embodiment 2

[0034] Example 2 Preparation of Inorganic Silicate Take the precipitate of zirconium in Example 1, calculate the weight of 0.4 grams of pure matter, and directly mix it with 20 grams of kaolin and 20 grams of muscovite in a water solvent to obtain the inorganic silicon used in the present invention. salt. This silicate has a layered structure with a layer spacing of 0.7-1.2 nm. The physical parameters of the gained inorganic silicate material are shown in Table 1

Embodiment 3

[0035] Example 3 Pretreatment of Inorganic Silicate Take 20 grams of dried inorganic silicate in Example 2, react with 60 ml of dimethyl sulfoxide at 60°C-80°C for 24 hours, and filter to remove dimethyl sulfoxide After sulfoxide, directly add glutamic acid and phosphoric acid to the reactor for reaction to obtain pretreated inorganic silicate. After this pretreatment process, the layer spacing of the obtained dry inorganic silicate reaches 2-3 nanometers, and the physical parameters of the obtained inorganic salt material are shown in Table 1

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PUM

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Abstract

The invention provides a polyester and inorganic silicate nano composite material and method for making it, wherein the inorganic silicate metallic oxide prepared by porcelain clay and muscovite is first pre-processed for reaction, then is placed in polymerization reaction device along with polytetramethylene terephthalate (PET) for condensation copolymerization, thus obtaining the high-performance polyethylene glycol terephthalate alcohol and inorganic salt nano composite material integrating inorganic silicate and polyester base through chemical bonds dispersed evenly in nano scale.

Description

technical field [0001] The invention relates to a composite material of polyethylene terephthalate (PET), in particular to a nanocomposite material composed of PET and inorganic silicate. After the inorganic silicate is organically treated, it is added to the system at any stage of the PET polymerization process to obtain a nanocomposite material of polyester and inorganic silicate. Background technique [0002] PET is a kind of polymer with excellent comprehensive properties, which is widely used in fibers, films and engineering plastics. Due to its low heat distortion temperature (about 76°C), low crystallization rate, and poor dimensional stability, it is limited in its application. It is widely used in engineering plastics, fibers and other daily necessities and packaging products. In the prior art, PET is filled with inorganic fillers. For example, JP06049344 reports the addition of glass fiber and talcum powder to fill PET. Patent RU2052473 r...

Claims

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Application Information

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IPC IPC(8): C08K3/34C08L67/03
Inventor 柯扬船
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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