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A kind of anti-corrosion composition and its application in preparing anti-corrosion coating

A composition and anti-corrosion technology, applied in coatings, anti-corrosion coatings, etc., can solve problems such as insufficient coating strength and insufficient thermal conductivity

Active Publication Date: 2019-06-21
CHANGSHU RES INST OF DALIAN UNIV OF TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a corrosion-resistant composition, which can solve the problems of insufficient coating strength and insufficient thermal conductivity in existing polyether ether ketone corrosion-resistant coatings

Method used

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  • A kind of anti-corrosion composition and its application in preparing anti-corrosion coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] This example is used to illustrate the corrosion-resistant composition of the present invention and its preparation method.

[0026] Get 100 parts by weight of polyether ether ketone powder (melt index 120g / min), 0.5 parts by weight of graphene oxide (graphene oxide microchips of 1-8 layers, diameter 30-80 μm, layer thickness 0.5-10nm), 1 Parts by weight of octylphenol polyoxyethylene ether were uniformly mixed in 100 parts by weight of water, and ultrasonicated at 40 kHz and power of 50 W for 1 hour to obtain the corrosion-resistant composition C1 of this embodiment.

Embodiment 2

[0028] This example is used to illustrate the corrosion-resistant composition of the present invention and its preparation method.

[0029] Get 100 parts by weight of polyether ether ketone powder (melt index 120g / min), 0.5 parts by weight of graphene oxide (graphene oxide microchips of 1-8 layers, diameter 30-80 μm, layer thickness 0.5-10nm), 1 The octylphenol polyoxyethylene ether of parts by weight is mixed uniformly in 100 parts by weight of water, at 40kHz, the power is ultrasonic 0.5 hour under 50W, then add 5.5 parts by weight of silicon carbide micropowder (particle size 5-10 μm) and ultrasonically under the above-mentioned same conditions After 2 hours, the corrosion-resistant composition C2 of this example was obtained.

Embodiment 3

[0031] This example is used to illustrate the corrosion-resistant composition of the present invention and its preparation method.

[0032] Get 100 parts by weight of polyether ether ketone powder (melt index 120g / min), 0.5 parts by weight of graphene oxide (1-5 layers of graphene oxide microchips, diameter 30-80 μm, layer thickness 0.5-6nm), 1 The octylphenol polyoxyethylene ether of parts by weight is mixed uniformly in 100 parts by weight of water, and ultrasonicated for 0.5 hour at 40kHz with a power of 50W, and then 3.5 parts by weight of silicon carbide micropowder (5-10 μm in particle size) is added and ultrasonicated under the same conditions above After 2 hours, the corrosion-resistant composition C3 of this example was obtained.

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Abstract

The present invention discloses a corrosion-resistant composition, which comprises, by weight, 100 parts of a poly(ether-ether-ketone) resin, 0.5-10 parts of graphene oxide, 1-10 parts of a surfactant, and 100-500 parts of water. According to the present invention, the corrosion-resistant composition is uniformly and stably dispersed, such that the strength and the adhesion of the corrosion-resistant coating prepared from the corrosion-resistant composition are high; and due to the high thermal conductivity of the graphene oxide, the thermal conductivity of the corrosion-resistant coating prepared from the corrosion-resistant composition is substantially improved.

Description

technical field [0001] The invention relates to the technical field of corrosion resistance, in particular to a corrosion-resistant composition and its application in preparing corrosion-resistant coatings. Background technique [0002] At present, most of the existing electric rice cooker liner coatings are polytetrafluoroethylene (PTFE), which is easily corroded by acidic substances such as rice and meat. After being corroded, the coating will fall off. Excretion, long-term accumulation will cause harm to the human body. [0003] Polyetheretherketone (PEEK) is a fully aromatic semi-crystalline thermoplastic special engineering plastic. The macromolecular chain contains flexible ether bonds, rigid benzene rings and carbonyl groups that can increase intermolecular forces. PEEK has a regular structure. It has excellent comprehensive properties such as strong wear resistance, heat resistance, self-lubrication, high modulus, high toughness, high strength, and good processabili...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D161/16C09D7/61C09D5/08
CPCC09D5/08C09D7/65C09D7/70C09D161/16C08L71/02C08K7/00C08K3/34C08K3/04
Inventor 郑玉斌沙莎李丽丽
Owner CHANGSHU RES INST OF DALIAN UNIV OF TECH CO LTD