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A kind of deep sea buoyancy material and preparation method thereof

A buoyant material and deep-sea technology, applied in the field of chemical materials, can solve the problems of restricting the performance of deep-sea buoyancy materials, easy breakage of hollow glass microspheres, and increasing the density of hollow glass microspheres. The effect of improving the uniform dispersion performance

Active Publication Date: 2021-03-12
JIAXING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The hollow glass microspheres used in the deep-sea buoyancy materials provided by the prior art generally have a higher density (≥0.50 g / cm 3 ), and the hollow glass microspheres are prone to breakage during processing, which further increases the density of the hollow glass microspheres, so that the density of the deep-sea buoyancy material prepared subsequently is also high, which limits its use in deep-sea buoyancy materials performance

Method used

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  • A kind of deep sea buoyancy material and preparation method thereof
  • A kind of deep sea buoyancy material and preparation method thereof

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preparation example Construction

[0031] figure 1 It is a method flowchart of a method for preparing a deep-sea buoyant material shown according to an exemplary embodiment, such as figure 1 As shown, the method includes:

[0032] Step 101: Add the pretreated epoxy resin to the mixing tank of the vacuum defoaming mixer, then heat the temperature of the mixing tank to 80-90°C, add a curing agent to the mixing tank and stir evenly .

[0033] In a possible implementation, the pretreatment method of the epoxy resin includes:

[0034] Epoxy resin is heated up to 85 ~ 95 DEG C, when described epoxy resin is in complete molten state, add epoxy reactive diluent, after stirring evenly at 85 ~ 95 DEG C for 10 ~ 20 min, cool down to 55 ~ 65 ° C, the pretreated epoxy resin is prepared, and the mass and number ratio of the epoxy resin to the epoxy reactive diluent is 100:15 ~ 25.

[0035] Wherein, the epoxy resin contains three or four epoxy groups, and the epoxy reactive diluent contains two epoxy groups. For example,...

Embodiment 1

[0052] (1) Preparation of modified graphene:

[0053] Calculated by mass parts, the density is 0.04 g / cm 3 5 parts of graphene were added to 300 parts of absolute ethanol for ultrasonic dispersion for 60 min to prepare a graphene solution; 200 parts of absolute ethanol and 40 parts of deionized water were mixed to form a mixed solution, and acetic acid was added to the mixed solution to adjust The pH value of the mixed solution is 3.5~4.5, then slowly add 0.5 parts of silane coupling agent dropwise to the mixed solution, stir and disperse the mixed solution at high speed for 60 min, and prepare the silane coupling agent solution; The graphene solution was slowly added to the silane coupling agent solution to form a reaction solution, and the reaction solution was controlled to react at a reaction temperature of 80° C. for 6 h, and the reaction solution was suction-filtered and dried to prepare modified graphene.

[0054] (2) Pretreatment of epoxy resin:

[0055] Calculated i...

Embodiment 2

[0059] (1) Preparation of modified graphene:

[0060] Calculated by mass parts, the density is 0.03 g / cm 3 Add 4 parts of graphene to 300 parts of absolute ethanol and ultrasonically disperse for 90 min to prepare a graphene solution; 200 parts of absolute ethanol and 40 parts of deionized water are mixed to form a mixed solution, and acetic acid is added to the mixed solution to adjust The pH value of the mixed solution is 3.5 ~ 4.5, then slowly drop 0.8 parts of silane coupling agent to the mixed solution, stir and disperse the mixed solution at high speed for 60 min, and prepare the silane coupling agent solution; The graphene solution was slowly added to the silane coupling agent solution to form a reaction solution, and the reaction solution was controlled to react at a reaction temperature of 80° C. for 7 h, and the reaction solution was suction-filtered and dried to prepare modified graphene.

[0061] (2) Pretreatment of epoxy resin:

[0062] Calculated in parts by ma...

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Abstract

The invention discloses a deep sea buoyant material and a preparation method thereof, relating to the technical field of chemical materials. Aiming at low bulk density and high strength of graphene, amodification process is designed, thereby improving the uniform dispersing performance of graphene in an epoxy resin system; the deep sea buoyant material is prepared from raw materials of modified graphene, epoxy resin and a curing agent, through an optimized preparation method, and the obtained deep sea buoyant material has the characteristics of low density, high resistance to hydrostatic pressure and low absorption of water; the deep sea buoyant material is applicable to the preparation of deep sea instruments and equipment, thus, the use environment of deep sea instruments and equipmentcan be greatly enlarged. By adopting the deep sea buoyant material and the preparation method thereof provided by the invention, the technical problems such as large density and low resistance to hydrostatic pressure of a deep sea buoyant material can be solved, thereby reaching the technical effects of lower density higher resistance to hydrostatic pressure and lower absorption of water.

Description

technical field [0001] The invention relates to the technical field of chemical materials, in particular to a deep sea buoyancy material and a preparation method thereof. Background technique [0002] With the advancement of the global deep-sea strategy and the continuous development of deep-sea development technology, more and more deep-sea instruments and equipment have been put into use. Due to the high hydrostatic pressure in the working environment of deep-sea instruments and equipment, the material of deep-sea instruments and equipment needs to use deep-sea buoyancy materials to provide net buoyancy, so as to ensure the normal operation and safety of deep-sea instruments and equipment in the extremely high hydrostatic pressure working environment Among them, the density, hydrostatic pressure resistance, water absorption and other properties of deep-sea buoyancy materials directly determine the working performance and working depth of deep-sea instruments and equipment....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L63/00C08K9/06C08K3/04C08G59/50
CPCC08G59/5033C08K9/06C08K3/042C08L63/00
Inventor 易杰李书卿代正伟董军杨群
Owner JIAXING UNIV
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