Cracking resistant fiber reinforced epoxy paint for ship ballast tank and preparation method thereof

A fiber-reinforced, epoxy coating technology, applied in the coating field, can solve the problems of easy cracking or peeling of the ballast tank coating, and achieve the effects of excellent corrosion resistance, improved stress crack resistance, and good corrosion resistance.

Inactive Publication Date: 2012-05-09
INST OF METAL RESEARCH - CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides an anti-cracking fiber-reinforced epoxy coating for ship ballast tanks with good durability and a preparation method thereof, which solves the problems in the prior art that the ballast tank coating is easy to crack or peel off, and the obtained ship Crack-resistant fiber-reinforced epoxy coatings with good toughness for ballast tanks

Method used

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  • Cracking resistant fiber reinforced epoxy paint for ship ballast tank and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] The preparation method of component 1: Add 23kg of toluene, 30kg of E42 epoxy resin, and 2kg of C5 petroleum resin into the reaction kettle, stir at 300rpm for 15 minutes; then add 0.2kg of Anti-Terra-P dispersant, 0.2kg of Perenol E1 defoamer kg, Tego Flow300 leveling agent 0.3kg, BENTONE 27 anti-settling agent 0.3kg, 400rpm stirring for 10 minutes, finally add 17kg basalt fiber (average length 50 microns, diameter 10 microns), titanium dioxide 2kg (particle size 325 mesh), talc 25kg of powder (with a particle size of 800 mesh), stirred at 1000rpm for 30 minutes, discharged, filtered, and packaged to obtain component 1.

[0052] The preparation method of component two: add 30kg of solvent toluene, 40kg of n-butanol, and 30kg of TY-203 polyamide curing agent into the reaction kettle, stir at 200-500rpm for 10 minutes, discharge, filter, and pack.

[0053] According to the weight ratio, component one: component two = 100:84, when component two is added to component one, ...

Embodiment 2

[0055] The preparation method of component 1: Add 5kg of xylene, 30kg of E51 epoxy resin, and 7kg of C9 petroleum resin into the reaction kettle, stir at 300rpm for 15 minutes; then add 0.5kg of EFKA-44 dispersant, 0.8kg of Perenol S43 defoamer , Tego Glide 100 leveling agent 0.7kg, BENTONE 34 anti-sedimentation agent 1kg, 400rpm stirring for 10 minutes, finally add 10kg basalt fiber (average length 50 microns, diameter 150 microns), titanium dioxide 25kg (particle size is 325 mesh), talcum powder 20kg (with a particle size of 500 mesh), stirred at 1000rpm for 30 minutes, discharged, filtered, and packaged to obtain component 1.

[0056] The preparation method of component 1: the preparation method of component 2: Add 25kg of solvent toluene, 25kg of n-butanol, and 50kg of YD-128 polyamide curing agent into the reaction kettle, stir at 200-500rpm for 15 minutes, discharge, filter, and pack .

[0057] According to the weight ratio, component one: component two = 100:52, when c...

Embodiment 3

[0059] The preparation method of component 1: Add 12kg of xylene, 50kg of E44 epoxy resin, and 12kg of C5 petroleum resin into the reaction kettle, stir at 300rpm for 15 minutes; then add 0.5kg of Disperbyk-163 dispersant, 1kg of PerenolS400 defoamer, Tego Flow ZFS460 leveling agent 1kg, Rilanit HT Extra anti-settling agent 1.5kg, stir at 400rpm for 10 minutes, finally add 5kg of glass fiber (average length 100 microns, diameter 13 microns), titanium dioxide 15kg (particle size 325 mesh), talc powder 2kg (the particle size is 1000 mesh), stirred at 1000 rpm for 30 minutes, discharged, filtered and packaged to obtain component one.

[0060] The preparation method of component two: add 5kg of solvent toluene, 5kg of cyclohexanone, and 90kg of T31 phenolic modified amine curing agent into the reaction kettle, stir at 200-500rpm for 20 minutes, discharge, filter, and pack.

[0061] According to the weight ratio, component one: component two = 100:25, when adding component two into...

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Abstract

The invention relates to the field of paint and specifically provides a cracking resistant fiber reinforced epoxy paint for a ship ballast tank and a preparation method thereof to solve a problem of easily cracked or spalled ballast tank coating in a prior art. The cracking resistant fiber reinforced epoxy paint for the ship ballast tank comprises the following two ingredients, by weight: an ingredient one containing epoxy resin, petroleum resin, crack resistant material, coloring pigment, extender pigment, auxiliary agent and solvent; an ingredient two containing solvent and curing agent. The ingredient one is added into the ingredient two, uniformly stirred, applied to a base material and solidified for 5 min to 15 days at 10-120 DEG C, so as to form the cracking resistant fiber reinforced epoxy paint for the ship ballast tank. The cracking resistant fiber reinforced epoxy paint for the ship ballast tank of the invention has good toughness, corrosion resistance and no toxic antirust pigment like lead or chromium; usage of the crack resistant material can increase stress cracking resistance of the coating and prolong a service life of the coating.

Description

technical field [0001] The invention relates to the field of coatings, in particular to an anti-cracking fiber-reinforced epoxy coating for ship ballast tanks and a preparation method thereof. Background technique [0002] The ship's ballast tank has been subjected to the test of seawater infiltration and alternating dry and wet all year round, so the ballast tank is the most severely corroded part of the hull. Corrosion of ballast tanks is often due to the initiation of cracks in the surface protective coating under harsh conditions, and will gradually expand, causing the corrosive medium to penetrate into the surface of the substrate, and in severe cases, it will cause pitting corrosion and crevice corrosion of the substrate. [0003] The ballast tank coating is generally a multi-layer coating system, and the total thickness of the dry film is relatively thick, reaching more than 320 microns. After curing, there is a large stress in the coating, especially under the condit...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D163/02C09D163/04C09D157/02C09D7/12
Inventor 刘福春韩恩厚柯伟
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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