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Flexible anti-corrosion belt as well as preparation method and application thereof

An anti-corrosion and flexible technology, applied in the field of flexible anti-corrosion tape and its preparation, can solve the problems of cumbersome construction procedures and achieve the effects of convenient coating and removal operations, simple preparation conditions, and easy operation

Inactive Publication Date: 2022-03-25
厦门捌斗新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patents CN201710620214.2 and CN201610094950.4 both disclose a petrolatum coating anti-corrosion technology including petrolatum paste, petrolatum anti-corrosion tape and protective shell. This technology has excellent long-term anti-corrosion performance and can be used for anti-corrosion of special-shaped parts. But the construction process is cumbersome

Method used

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  • Flexible anti-corrosion belt as well as preparation method and application thereof
  • Flexible anti-corrosion belt as well as preparation method and application thereof
  • Flexible anti-corrosion belt as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] S1, 5g of graphene resin slurry, 76.6g of liquid polyurethane resin with a solid content of 40%, 10g of 182# unsaturated polyester resin, 5g of liquid coumarone tackifying resin and 0.5g of BYK-051N defoamer through a shearing disperser at a speed of 1000rpm Disperse to obtain the resin mixture;

[0044] S2. Add 0.1g of methyl ethyl ketone peroxide initiator, 0.3g of UV-531 ultraviolet absorber and 2g of chopped glass fiber to the resin mixture prepared in S1 and disperse for 30min with a shear disperser at 300rpm, add 0.5g of gas phase II Silicon oxide thickener adjusts viscosity to make viscous coating solution;

[0045] S3. Coating the coating solution prepared in S2 on a 100 μm PET release film with a coating machine to form a film with a coating film thickness of 200 μm, transferred to a drying system and cured at 60° C. for 15 minutes to obtain an anti-corrosion tape.

[0046] After testing, the elongation at break of the anti-corrosion tape is 196%, the tensile ...

Embodiment 2

[0048] S1, disperse 10g graphene resin slurry, 71.6g aliphatic polyurethane resin, 10g182# unsaturated polyester resin, 5g liquid coumarone tackifying resin and 0.5g BYK-051N defoamer through a shear disperser at a speed of 1000rpm. resin mixture;

[0049] S2. Add 0.1g of methyl ethyl ketone peroxide initiator, 0.3g of UV-531 ultraviolet absorber and 2g of chopped glass fiber to the resin mixture prepared in S1 and disperse for 30min with a shear disperser at 300rpm, add 0.5g of gas phase II Silicon oxide thickener adjusts viscosity to make viscous coating solution;

[0050] S3. Coating the coating solution prepared in S2 on a 100 μm PET release film with a coating machine to form a film with a coating film thickness of 200 μm, transferred to a drying system and cured at 60° C. for 15 minutes to obtain an anti-corrosion tape.

[0051] After testing, the elongation at break of the anti-corrosion tape is 185%, the tensile strength is 14.1N / cm, the peel strength is 10.3N / cm, and...

Embodiment 3

[0053] S1, 20g graphene resin slurry, 61.6g aliphatic polyurethane resin, 10g182# unsaturated polyester resin, 5g liquid coumarone tackifying resin and 0.5g BYK-051N defoamer were prepared by dispersing under a shear disperser at a speed of 1000rpm resin mixture;

[0054] S2. Add 0.1g of methyl ethyl ketone peroxide initiator, 0.3g of UV-531 ultraviolet absorber and 2g of chopped glass fiber to the resin mixture prepared in S1 and disperse for 30min with a shear disperser at 300rpm, add 0.5g of gas phase II Silicon oxide thickener adjusts viscosity to make viscous coating solution;

[0055] S3. Coating the coating solution prepared in S2 on a 100 μm PET release film with a coating machine to form a film with a coating film thickness of 200 μm, transferred to a drying system and cured at 60° C. for 15 minutes to obtain an anti-corrosion tape.

[0056] After testing, the elongation at break of the anti-corrosion tape is 182%, the tensile strength is 13.4N / cm, the peel strength ...

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Abstract

The invention discloses a flexible anti-corrosion belt and a preparation method and application thereof, the anti-corrosion belt has single-sided viscosity and comprises aliphatic polyurethane resin, anaerobic unsaturated polyester resin, graphene resin slurry, tackifying resin, chopped glass fibers, an initiator, an ultraviolet absorbent, a defoaming agent and a thickening agent, and the component proportion of the materials is specifically defined. The components in a certain proportion are blended, coated and cured to prepare the flexible anti-corrosion belt, and the flexible anti-corrosion belt is applied to surface corrosion prevention of special-shaped parts. The anti-corrosion belt has excellent physical and chemical properties, is suitable for anti-corrosion coating protection of special-shaped parts, and is convenient to coat and dismount. The preparation method has the advantages of simple preparation conditions, simplicity and convenience in operation, low cost, easiness in amplification and the like, and is suitable for industrial large-scale production.

Description

technical field [0001] The invention relates to the technical field of functional materials, and more specifically relates to a flexible anti-corrosion tape and its preparation method and application. Background technique [0002] According to statistics, the economic loss caused by corrosion accounts for about 3% of GDP in the world every year, and the economic loss caused by steel structure corrosion is huge. The corroded steel structure not only affects the appearance, but also poses safety hazards, and may even cause equipment accidents and casualties. As common flanges, valves, bolts and other special-shaped components in steel structures, due to their complex structures, there are many defects, gaps and edges and corners, which are easy to accumulate water, moisture, salt, etc., and are prone to stress corrosion and galvanic corrosion. , Crevice corrosion and other corrosion behaviors, the corrosion problem of special-shaped parts is often more serious. Therefore, it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J175/04C09J11/08C09J11/04C09J7/40C09J7/10C09J7/30
CPCC09J175/04C09J11/04C09J11/08C09J7/40C09J7/10C09J7/30C09J2301/408C08L2201/08C08L67/06C08L45/02C08K3/042C08K7/14
Inventor 许超何隆杰王祥许静
Owner 厦门捌斗新材料科技有限公司
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