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Two-component coating used on JTS composite film and preparation method of two-component coating

A two-component, composite film technology, applied in the field of coatings, can solve problems such as environmental hazards and difficult to meet requirements, and achieve the effects of increasing fluidity, sagging and leveling, and good anti-corrosion performance.

Inactive Publication Date: 2021-05-28
廊坊市新汉宇环保科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For many special-shaped steel structures, the current pretreatment process mostly adopts a large pool immersion treatment process. In the case where chemical pretreatment cannot be performed, it is difficult to meet the requirements for physical pretreatment, and the waste acid and alkali produced by chemical pretreatment , phosphating sediment, phosphating waste liquid and passivation waste liquid, which have strong environmental hazards

Method used

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  • Two-component coating used on JTS composite film and preparation method of two-component coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A kind of two-component coating that is used on JTS composite film, comprises component A and component B, and wherein component A is made up of the raw material of following parts by weight:

[0030] NPEL128 epoxy resin: 30 parts (South Asia)

[0031] Modified toughening resin: 3 parts

[0032] Dispersant: 0.2 parts (model: PF-502, manufacturer: Efcona)

[0033] Water-resistant additive: 0.8 parts

[0034] Organic bentonite: 0.4 parts

[0035] Thixotropic agent: 0.3 parts (model: MT, manufacturer: Tianjin Huanqi)

[0036] Zinc phosphate: 12 parts

[0037] Iron oxide red: 14 parts

[0038] Barium sulfate: 19 parts (L-288 barium sulfate, manufacturer: Shanghai Liweide)

[0039] Silica powder: 5 parts

[0040] Xylene: 10 parts

[0041] Butanol: 5.3 parts

[0042] Component B:

[0043] ZG-6019 cardanol curing agent: 45 parts

[0044] ZG-8013 reactive diluent: 10 parts

[0045] Xylene: 45 parts

[0046] The mass ratio of component A to component B is 10:1.

[...

Embodiment 2

[0056] A kind of two-component coating that is used on JTS composite film, comprises component A and component B, and wherein component A is made up of the raw material of following parts by weight:

[0057] NPEL128 epoxy resin: 32 parts

[0058] Modified toughening resin: 5 parts

[0059] Dispersant: 0.3 parts (model: PF-502, manufacturer: Efcona)

[0060] Boiling-resistant additive: 0.9 parts

[0061] Organic bentonite: 0.4 parts

[0062] Thixotropic agent: 0.4 parts (model: MT, manufacturer: Tianjin Huanqi)

[0063] Zinc phosphate: 8 parts

[0064] Iron oxide red: 11 parts

[0065] Barium sulfate: 18 parts

[0066] Silica powder: 7 parts

[0067] Xylene: 14 parts

[0068] Butanol: 3 parts

[0069] Component B:

[0070] ZG-6019 cardanol curing agent: 55 parts

[0071] ZG-8013 reactive diluent: 5 parts

[0072] Xylene: 40 parts

[0073] The mass ratio of component A to component B is 10:1.

[0074] For the preparation method of Example 2, refer to Example 1, which...

Embodiment 3

[0076] A kind of two-component coating that is used on JTS composite film, comprises component A and component B, and wherein component A is made up of the raw material of following parts by weight:

[0077] NPEL128 epoxy resin: 32 parts

[0078] Modified toughening resin: 5 parts

[0079] Dispersant: 0.3 parts (model: PF-502, manufacturer: Efcona)

[0080] Boiling-resistant additive: 1.0 parts

[0081] Organic bentonite: 0.4 parts

[0082] Thixotropic agent: 0.4 parts (model: MT, manufacturer: Tianjin Huanqi)

[0083] Zinc phosphate: 10 parts

[0084] Iron oxide red: 12.5 parts

[0085] Barium sulfate: 17.5 parts

[0086] Silica powder: 5 parts

[0087] Xylene: 12 parts

[0088] Butanol: 3.9 parts

[0089] Component B:

[0090] ZG-6019 cardanol curing agent: 50 parts

[0091] ZG-8013 reactive diluent: 10 parts

[0092] Xylene: 40 parts

[0093] The mass ratio of component A to component B is 10:1.

[0094] For the preparation method of Example 3, refer to Exampl...

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Abstract

The invention relates to a two-component coating used on a JTS composite film, which comprises a component A and a component B. The component A is prepared from the following raw materials in parts by weight: 30 to 34 parts of NPEL128 epoxy resin, 3 to 7 parts of modified toughening resin, 0.2 to 0.4 part of a dispersing agent, 0.8 to 1.2 parts of a boiling-resistant auxiliary agent, 0.3 to 0.5 part of organic bentonite, 0.3 to 0.5 part of a thixotropic agent, 19 to 26 parts of an antirust pigment, 16 to 19 parts of barium sulfate, 3 to 7 parts of silica powder, 10-14 parts of xylene and 2-6 parts of butanol, and the xylene and the butanol are used as solvents; the component B is prepared from the following raw materials in parts by weight: 45 to 55 parts of a ZG-6019 cardanol curing agent, 5 to 15 parts of a ZG-8013 reactive diluent and 35 to 45 parts of xylene which is a solvent; and the weight ratio of the component A to the component B is 10: 1. The two-component coating has very strong adhesive force with the JTS composite film and has very good corrosion resistance.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a two-component coating used on a JTS composite film and a preparation method thereof. Background technique [0002] As a big manufacturing country, my country has a large number of metal pretreatment requirements every year. For many special-shaped steel structures, the current pretreatment process mostly adopts a large pool immersion treatment process. In the case where chemical pretreatment cannot be performed, it is difficult to meet the requirements for physical pretreatment, and the waste acid and alkali produced by chemical pretreatment , phosphating sediment, phosphating waste liquid and passivation waste liquid, which have strong environmental hazards. At present, metal pretreatment processes in the Pearl River Delta, Yangtze River Delta, and Beijing-Tianjin-Hebei regions are basically banned. The pretreatment methods of physical and chemical methods are low in automa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/08C09D7/63C09D7/65
CPCC09D163/00C09D5/08C09D7/63C09D7/65C08L2205/03C08K2003/328C08K2003/2272C08L2205/035C08L2205/025
Inventor 高树强张莎李思成
Owner 廊坊市新汉宇环保科技发展有限公司
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