Waterborne epoxy coating for ships

A technology for water-based epoxy coatings and ships, applied in the direction of epoxy resin coatings, polyester coatings, coatings, etc., can solve the problems of general impact resistance and unsatisfactory acid and alkali resistance, and achieve excellent impact resistance, Long-lasting water-repellent effect, good softness effect

Inactive Publication Date: 2019-03-19
ANHUI KAILIN ADVANCED MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, although water-based epoxy resin coatings meet the characteristics of low VOC and high environmental protection, they still have the following deficiencies: general impact resistance, acid and alkali resistance can not meet the application in environments with higher energy requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A water-based epoxy coating for ships, the raw materials of which include: 56kg of acrylic modified epoxy resin, 65kg of epoxy modified alkyd resin, 0.2kg of C9 petroleum resin, 0.08kg of catalyst, 0.2kg of water-soluble melamine formaldehyde resin, m-amino Methylamine 1.2kg, surfactant 1.5kg, filler reinforcement 50kg, anti-settling agent 0.2kg, dispersant 1kg, leveling agent 1kg, defoamer 3kg.

[0018] The surfactant is composed of cocamidopropyl betaine and sorbitan ester in a weight ratio of 1:1.5. The filling and reinforcing agent is composed of silica microspheres, quartz sand, bentonite, ground calcium carbonate, medical stone powder, and hollow glass microspheres in a weight ratio of 2:12:3:12:1:5.

[0019] Silica microspheres are prepared by the following process: mix 23kg of cationic silica hydrogel with a mass fraction of 15wt%, 12kg of aluminum nitrate, 20kg of boric acid, 40kg of polyvinyl alcohol 6000, and 300kg of water, and add 1kg of oxidized polyethyle...

Embodiment 2

[0021] A water-based epoxy coating for ships, the raw materials of which include: 86kg of acrylic modified epoxy resin, 34kg of epoxy modified alkyd resin, 1.4kg of C9 petroleum resin, 0.01kg of catalyst, 1kg of water-soluble melamine formaldehyde resin, m-aminoformaldehyde Amine 0.5kg, surfactant 3.5kg, filling reinforcing agent 40kg, anti-settling agent 1kg, dispersant 0.2kg, leveling agent 2kg, defoamer 1kg.

[0022] The surfactant is composed of cocamidopropyl betaine and sorbitan ester in a weight ratio of 2:0.5. The filling and reinforcing agent is composed of silica microspheres, quartz sand, bentonite, ground calcium carbonate, medical stone powder, and hollow glass microspheres in a weight ratio of 8:4:10:3:6:2.

[0023] Silica microspheres are prepared by the following process: mix 35kg of cationic silica hydrogel with a mass fraction of 10wt%, 25kg of aluminum nitrate, 10kg of boric acid, 70kg of polyvinyl alcohol 6000, and 200kg of water, and add 3kg of oxidized po...

Embodiment 3

[0025] A water-based epoxy coating for ships, the raw materials of which include: 66kg of acrylic modified epoxy resin, 55kg of epoxy modified alkyd resin, 0.6kg of C9 petroleum resin, 0.06kg of catalyst, 0.4kg of water-soluble melamine formaldehyde resin, m-amino Methylamine 1kg, surfactant 2kg, filling reinforcing agent 46kg, anti-settling agent 0.4kg, dispersant 0.8kg, leveling agent 1.3kg, defoamer 2.5kg.

[0026] The surfactant is composed of cocamidopropyl betaine and sorbitan ester in a weight ratio of 1.2:1.2. The filling and reinforcing agent is composed of silica microspheres, quartz sand, bentonite, ground calcium carbonate, medical stone powder, and hollow glass microspheres in a weight ratio of 4:10:6:10:2:4.

[0027] Silica microspheres are prepared by the following process: mix 27kg of cationic silica hydrogel with a mass fraction of 14wt%, 16kg of aluminum nitrate, 17kg of boric acid, 50kg of polyvinyl alcohol 6000, and 280kg of water, and add 1.5kg of oxidized...

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Abstract

The invention discloses a waterborne epoxy coating for ships. The waterborne epoxy coating comprises, by weight, 56-86 parts of acrylic acid modified epoxide resin, 34-65 parts of epoxy modified alkydresin, 0.2-1.4 parts of C9 petroleum resin, 0.01-0.08 part of catalyst, 0.2-1 part of water-soluble melamine formaldehyde resin, 0.5-1.2 parts of m-amino methylamine, 1.5-3.5 parts of surface activeagents, 40-50 parts of reinforcing fillers, 0.2-1 part of anti-settling agent, 0.2-1 part of dispersing agent, 1-2 parts of flatting agents and 1-3 parts of defoaming agents. The reinforcing fillers comprise silicon dioxide pellets which are prepared according to a following technology: evenly mixing cationic silicon dioxide hydrogel, aluminum nitrate, boracic acid, polyvinyl alcohol 6000 and water, adding oxidized polyethlene wax with stirring, homogenizing, adding ammonium hydroxide dropwise with stirring till pH (potential of hydrogen) reaches to 8,5-9.5, stirring, hydrothermally reacting and roasting to obtain the silicon dioxide pellets.

Description

technical field [0001] The invention relates to the technical field of marine coatings, in particular to a water-based epoxy coating for marines. Background technique [0002] With the development of science and technology, water-based epoxy resin coatings have been widely developed in recent years because of their strong adhesion, good comprehensive performance, and high environmental protection. a wide range of applications. At present, although water-based epoxy resin coatings meet the characteristics of low VOC and high environmental protection, they still have the following deficiencies: general impact resistance, acid and alkali resistance cannot meet the application in environments with higher energy requirements. Contents of the invention [0003] Based on the technical problems in the background technology, the present invention proposes a water-based epoxy coating for ships, which has excellent impact resistance and good acid and alkali resistance. [0004] A k...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/10C09D167/08C09D7/61
CPCC08K2003/265C08L2205/035C09D7/61C09D7/70C09D163/10C08L67/08C08L57/02C08L61/28C08K7/18C08K3/36C08K3/346C08K3/26C08K3/34C08K7/28
Inventor 王厚国李子荣王和山王和东殷东楼殷芳荣曹文强张万霞张萍
Owner ANHUI KAILIN ADVANCED MATERIAL CO LTD
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