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Bisphthalonitrile resin/aromatic amine organic montmorillonite nano composite material and preparation method thereof

A technology of phthalonitrile resin and nanocomposite material, which is applied in the field of thermosetting resin composite material to achieve the effects of good heat resistance, convenient operation and good dynamic thermomechanical properties

Inactive Publication Date: 2013-02-20
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the reported composite materials of thermosetting resin and organic montmorillonite mainly include epoxy resin / organic montmorillonite composite material, polybenzoxazine / organic montmorillonite composite material, polyimide / organic montmorillonite composite material, Montmorillonite composite materials, phenolic resin / organized montmorillonite composite materials, and isocyanate / organized montmorillonite composite materials, while bisphthalonitrile resin and organic montmorillonite composite materials have not been reported at home and abroad

Method used

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  • Bisphthalonitrile resin/aromatic amine organic montmorillonite nano composite material and preparation method thereof
  • Bisphthalonitrile resin/aromatic amine organic montmorillonite nano composite material and preparation method thereof
  • Bisphthalonitrile resin/aromatic amine organic montmorillonite nano composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Add 1 g of refined sodium-based montmorillonite to 20 mL of distilled water, and stir for 1 h to form a stable suspension; mix 0.4327 g of p-BAPS with 30 mL of distilled water, and add concentrated hydrochloric acid dropwise to the mixture under stirring until the mixture is clear. The modifier aqueous solution is obtained; then the modifier aqueous solution is added to the sodium-based montmorillonite suspension, and stirred at a constant temperature of 75-82°C for 2 hours; after the reaction, the solid is separated and washed with distilled water several times to remove excess modifier , vacuum-dried at 80°C for 48 hours, and then ground into powder to obtain p-BA-OMMT (modifier with 2 times the total amount of cation exchange, abbreviated as 2.0CEC, the same below), the interlayer distance is 2.19nm, The temperature-programmed thermogravimetric analysis (TGA) curve is shown in the appendix figure 1 , see the attached infrared curve figure 2 , the X-ray diffraction ...

Embodiment 2

[0046] Change the amount of p-BAPS for organic modification, wherein the mass of p-BAPS is 0.8654g (4.0CEC), the synthesis process is the same as that of Example 1, the interlayer distance is 2.48nm, and the XRD curve is shown in the attached image 3 .

Embodiment 3

[0048] Change the amount of p-BAPS for organic modification, wherein the mass of p-BAPS is 1.2981g (6.0CEC), the synthesis process is the same as that of Example 1, the interlayer distance is 2.54nm, and the XRD curve is shown in the attached image 3 .

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Abstract

The invention relates to a bisphthalonitrile resin / aromatic amine organic montmorillonite nano composite material and a preparation method thereof, belonging to the technical field of thermosetting resin composite materials. The bisphthalonitrile resin / aromatic amine organic montmorillonite (p-BA-OMMT) nano composite material comprises the components in parts by mass: 100 parts of bisphthalonitrile monomer, 0.5-5 parts of p-BA-OMMT, and 3 parts of curing agent of 4,4'-Bisaminophenoxyphenylsulfone (p-BAPS). The method comprises the steps of montmorillonite organic treatment and composite material preparation. The bisphthalonitrile resin / p-BA-OMMT nano composite material, prepared by the preparation method, has excellent mechanical property and thermal stability, is lower in preparation cost, satisfies the application requirement of industrial production, and has broad application prospect in the fields, such as vehicles, mechanicals, aviation, aerospace and submarines.

Description

technical field [0001] The invention relates to the technical field of thermosetting resin composite materials, in particular to a bisphthalonitrile resin / aromatic amine organic montmorillonite (abbreviated as p-BA-OMMT) nanocomposite material and a preparation method thereof. Background technique [0002] Bis-phthalonitrile resin is a new type of thermosetting polymer material, which has excellent mechanical properties and thermal stability. When the temperature is as high as 371°C, the mechanical properties remain stable for a long time; when the temperature reaches 450°C, there is still no glass transition or softening. At the same time, bis-phthalonitrile resin also has excellent chemical stability, flame retardancy, moisture resistance and processability, which is superior to traditional epoxy resins and bismaleimide resins. , microelectronics and machinery manufacturing and other fields have broad application prospects. [0003] Montmorillonite, known as a natural na...

Claims

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Application Information

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IPC IPC(8): C08G73/06C08K9/04C08K3/34
Inventor 姜振华刘韬杨延华苏宇王婷婷王海滨张航王永鹏
Owner JILIN UNIV
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