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Quick blocking agent and preparation method thereof

A plugging agent, fast technology, applied in chemical instruments and methods, other chemical processes, etc., can solve problems such as inability to realize fast plugging operations

Inactive Publication Date: 2014-01-22
BAOSHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The initial curing time of the plugging agent is more than 40 minutes, and the final curing time is less than 90 minutes, that is, it is cured within 40 to 90 minutes, and its bonding strength is only 1.4 MPa, which cannot realize high-strength rapid plugging operations

Method used

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  • Quick blocking agent and preparation method thereof
  • Quick blocking agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] see figure 1 As shown, first take 80 parts by weight of ethyl α-cyanoacrylate and 5 parts by weight of fumed silica (molecular formula is SiO 2 , white fluffy powder, porous, non-toxic, tasteless, pollution-free, high temperature resistance, etc.) Stir and mix at room temperature to prepare component A, and keep it sealed for later use; then take 20 parts by weight of neoprene Put 20 parts by weight of gasoline into the container, soak and swell the chloroprene rubber, the soaking and swelling time is about 60 hours, so that the chloroprene rubber can achieve the best swelling effect, that is, the absorption effect is excellent; then the container is heated to 50° and stir until the neoprene is completely dissolved; then take 2.5 parts by weight of zinc oxide, 1 part by weight of aniline antioxidant, 2 parts by weight of magnesium oxide, 40 parts by weight of ethyl acetate, 10 parts by weight of ethane The solution and 5 parts by weight of carborundum were added into t...

Embodiment 2

[0030] The preparation method of this example is basically the same as that of Example 1, except that 90 parts by mass of ethyl α-cyanoacrylate and 5 parts by mass of fumed silica were mixed in an airtight container.

[0031] Component A and component B prepared in this example are rapidly mixed at a ratio of 37:62, which can be used for caulking. Its specific use method is as follows:

[0032] When encountering a seam that is not suitable for stirring, you can slightly combine the spare components A and B according to the above proportions into the same elastic material sharp-nosed injection container, and then quickly within 5 seconds. Shake the container and inject it into the crack within five seconds to complete the filling of the crack. What needs to be explained here is that if the injection is not completed within ten seconds, the plugging agent in the syringe will start to solidify.

[0033] After testing, using this plugging agent to add seam plugging, its curing t...

Embodiment 3

[0035] The preparation method of this example is basically the same as that of Example 1, except that 100 parts by mass of ethyl α-cyanoacrylate and 5 parts by mass of fumed silica are mixed in an airtight container.

[0036] Component A and component B prepared in this embodiment are rapidly mixed at a ratio of 37:62, which is suitable for rapid prototyping casting. Its specific use method is as follows:

[0037] When making the real sample of the mechanical model, the spare components A and B are slightly combined in the model cavity according to the above ratio, and the air intake in the model cavity is ensured, and then the model cavity is placed in vibration The platform is fixed, and the total volume of the above two components is 40% of the volume of the model cavity. Through the vibration of the vibrating platform, the two components and the moisture in the air are melted together, quickly combined and expanded to fill the model cavity, and the excess part overflows t...

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PUM

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Abstract

The invention discloses a quick blocking agent. The blocking agent comprises a component A and a component B in a ratio of 37: 62, wherein the component A comprises 80 to 100 weight parts of alpha-cyan ethyl acrylate and 5 weight parts of fumed silica; and the component B comprises 2.5 weight parts of zinc oxide, 1 weight part of aniline anti-aging agent, 2 weight parts of magnesium oxide, 40 weight parts of ethyl acetate, 20 weight parts of gasoline, 20 weight parts of chloroprene rubber, 10 weight parts of ethane solution and 5 weight parts of carborundum. The invention also discloses a preparation method for the quick blocking agent. The component A and the component B are quickly mixed and stirred in a ratio of 37: 62 and placed at the position to be blocked, and the blocking agent can be quickly cured for blocking; and the blocking agent has high adhesive strength, and completely can meet the requirement of quick and effective blocking operation.

Description

technical field [0001] The invention relates to an emergency plugging technology for cracks and cracked surfaces, more specifically, a rapid plugging agent and a preparation method thereof. Background technique [0002] For cracks or breaks that often occur in some equipment mechanisms, parts, building boxes, etc. due to various reasons such as aging, vibration, and external force, especially for some sudden cracks or breaks that need to be repaired immediately in a short time , If these cracks or fractures are not treated in time, the equipment will not operate normally, and will aggravate further damage to the equipment, seriously shortening the service life of the equipment. The other is the fast plugging operation of some pipelines. At present, there are certain difficulties in achieving fast and effective plugging. [0003] At present, although there are many ways for emergency treatment of cracks or fractures, such as using silica gel to add plugs, electric welding re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K3/12C08L33/14C08L11/00C08K13/02C08K3/36C08K3/22C08K5/18C08K3/34
Inventor 卢江海
Owner BAOSHAN IRON & STEEL CO LTD
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