Light high-strength buoyancy material and preparation method thereof

A buoyant material and high-strength technology, applied in the field of light-weight and high-strength buoyancy materials and their preparation, to achieve the effects of improving interface properties, lowering equipment requirements, and improving service reliability

Inactive Publication Date: 2012-07-18
CHINA NAT OFFSHORE OIL CORP +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to provide sufficient net buoyancy for deep-diving drag bodies, deep-water submersibles and underwater robots, it is very important to develop lightweight and high-strength buoyancy materials for deep-sea use to ensure the safe use of deep-water equipment, especially epoxy resin reinforced with thermoplastic special engineering plastics The preparation of solid buoyant materials applied in the deep sea of ​​5000-9000 meters has not been reported yet

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0019] The preparation method of lightweight high-strength buoyancy material of the present invention, it comprises the following steps:

[0020] (1) In parts by weight, 100 parts of low-viscosity epoxy resin and 5 to 10 parts of thermoplastic resin are put into the reactor, and above the glass transition temperature of the thermoplastic resin, the epoxy resin is prepared by stirring at a speed of 250 to 350 rpm. Polymerization reaction, reaction 1 to 2h to obtain epoxy resin prepolymer;

[0021] (2) In parts by weight, take 48 to 90 parts of epoxy resin prepolymer, add 16 to 48 parts of hollow microspheres and 10 to 20 parts of curing agent treated with the silane coupling agent of KH-550, Use a high-speed mixer to mix the materials evenly. After mixing evenly, put them in a vacuum drying oven to evacuate. Then knead the evacuated mixture 2 to 3 times in a three-roller mill. Take out the kneaded materials and vacuum them again with a vacuum pump. Remove the air bubbles, then...

Embodiment

[0023]Embodiment: 100 parts of epoxy resin, 5 to 10 parts of thermoplastic resin, 16 to 48 parts of hollow microspheres, and 10 to 20 parts of curing agent.

[0024] Step 1: Take 5 parts, 7 parts, and 9 parts of polyetheretherketone (PEEK) and add them to 100 parts of JY-256 low-viscosity epoxy resin, stir in a 180°C reactor to melt, and stir fully to make PEEK (PEEK) was uniformly dispersed in the epoxy resin to prepare 1#, 2#, 3# resin for later use.

[0025] Step 2: Set the density of 3M company in the United States to 0.42g / cm 3 , S42XHS hollow glass microspheres with a crushing strength of 55.2MPa and a particle size of 80 μm were baked at 80°C for 1 hour to prepare a mixed solution of silane coupling agent:alcohol=1:10 in parts by weight, and take the dried hollow glass The microbeads were added to the solution of KH-550 silane coupling agent and absolute ethanol, stirred in a 70°C water bath for 1 hour, then filtered under reduced pressure to remove excess solvent, and...

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PUM

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Abstract

The invention provides a light high-strength buoyancy material and a preparation method thereof. The material comprises the following components in part by weight: 100 parts of low-viscosity epoxy resin, 5 to 10 parts of thermoplastic resin, 16 to 48 parts of hollow microspheres and 10 to 20 parts of curing agent. The preparation method comprises the following steps of: (1) putting 100 weight parts of epoxy resin and 5 to 10 weight parts of engineering plastic into a reaction kettle, and performing prepolymerization reaction on the epoxy resin to obtain epoxy resin prepolymer; and (2) adding 16 to 48 weight parts of hollow microspheres treated by a silane coupling agent and 10 to 20 weight parts of curing agent into 48 to 90 weight parts of epoxy resin prepolymer, uniformly mixing, putting into a vacuum drying oven, vacuumizing, kneading the mixed material by using a grinder, defoaming in vacuum, curing for forming, putting the formed material into a drying box, heating to the curing temperature of an epoxy resin system, and thus obtaining a finished light high-strength buoyancy material product. The material meets the requirements of a deep ocean material on density and strength and the requirements of ocean development and submarine exploration.

Description

technical field [0001] The invention relates to a solid buoyancy material with ultra-high strength and low water absorption rate, in particular to a light-weight high-strength buoyancy material for deep sea environment and a preparation method thereof. Background technique [0002] Vigorously developing marine high-tech and carrying out marine high-tech research is an important content of current scientific and technological development research. In order to provide sufficient net buoyancy for deep-diving drag bodies, deep-water submersibles, and underwater robots, it is very important to develop lightweight and high-strength buoyancy materials for deep-sea use to ensure the safe use of deep-water equipment, especially epoxy resin reinforced with thermoplastic special engineering plastics Preparation of solid buoyant materials applied in deep seas of 5000-9000 meters has not been reported yet. Contents of the invention [0003] The main purpose of the present invention is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/00C08L63/02C08L61/16C08L81/06C08L77/00C08L69/00C08L59/02C08L81/02C08K13/06C08K9/06C08K7/28C08K7/24
Inventor 陈俊英乔英杰柯红军梁富浩韩哲林守强张印桐汪智峰韩存效
Owner CHINA NAT OFFSHORE OIL CORP
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