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Epoxy floor coating containing epoxy polyether organosilicon hybrid and preparation method thereof

An epoxy-based polyether and epoxy floor technology, applied in epoxy resin coatings, coatings and other directions, can solve the problems of ineffective toughening effect, reduce the heat resistance of epoxy resin, etc., to solve the problem of easy scratching Injury, increase binding force, good compatibility

Inactive Publication Date: 2013-06-12
GUANGZHOU CHEM CO LTD CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the epoxy group participates in the curing during the reaction process, the heat resistance of the epoxy resin will not be greatly reduced while it is toughened. However, when the epoxy-based silicone oil is mixed with the epoxy resin, there may be oil floating phenomenon, which cannot be achieved. good toughening effect

Method used

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  • Epoxy floor coating containing epoxy polyether organosilicon hybrid and preparation method thereof
  • Epoxy floor coating containing epoxy polyether organosilicon hybrid and preparation method thereof
  • Epoxy floor coating containing epoxy polyether organosilicon hybrid and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037](1) 25g dimethyldimethoxysilane, 75g methyltriacetoxysilane, 3g 4-(1,2-epoxyethyl) butyltrimethoxysilane (X-12-699), 100g of tetrahydrofuran, 10g of deionized water and 0.5g of dibutyltin dilaurate were mixed uniformly, then hydrolyzed and polycondensed at 65°C for 5 hours, and then added with 500g of polyethylene glycol monomethyl ether (molecular weight: 600), 500g of tetrahydrofuran and 10g of dilauric acid After the dibutyltin is mixed evenly, react at 65°C for 8 hours, and distill under reduced pressure to remove small molecular substances such as tetrahydrofuran and water to obtain the epoxy polyether organosilicon hybrid.

[0038] (2) 100g of bisphenol A type epoxy resin (E-51), 0.1g of defoamer BYK066 (manufactured by German BYK company), 10g of propylene oxide butyl ether, 0.8g of leveling agent EFKA3777, dispersant BYK- 0.05g of P104 (produced by German BYK company), 16g of titanium dioxide, 20g of kaolin, 20g of epoxy polyether organosilicon hybrid synthesized...

Embodiment 2

[0043] (1) 50g of diphenylsilanediol, 20g of tetraethoxysilane, 30g of methyltrimethoxysilane, 50g of 8-(1,2-epoxyethyl)octyltrimethoxysilane (X-12- 692), 150g of ethanol, 25g of deionized water and 1.5g of dibutyltin diacetate were mixed uniformly, then hydrolyzed and polycondensed at 78°C for 6 hours, and then 300g of monoepoxide-terminated hydroxyl polyether (molecular weight 1000, ring The mass ratio of ethylene oxide to propylene oxide structural units is 3 / 1), 300g ethanol and 3g dibutyltin diacetate, mix well, react at 78°C for 8h, and distill under reduced pressure to remove small molecular substances such as ethanol and water , That is, epoxy-based polyether silicone hybrids.

[0044] (2) 100g of bisphenol A type epoxy resin (E-44), 0.8g of defoamer BYK066 (produced by BYK Company in Germany), 5g of C12-C14 fatty alcohol glycidyl ether, 1.6g of leveling agent EFKA3777, and dispersant BYK163 (produced by German BYK company) 8g, carbon black 10g, talcum powder 150g, ep...

Embodiment 3

[0046] (1) Mix 50g methyltrichlorosilane, 50g dimethyldimethoxysilane, 30g 3-(2,3-epoxypropoxy)propylmethyldimethoxysilane, 50g tetrahydrofuran, 5g deionized Water and 2g of dibutyltin diacetate were mixed evenly, and then hydrolyzed and polycondensed at 50°C for 10 hours, then 100g of polyethylene glycol with a molecular weight of 1000, 100g of tetrahydrofuran, and 1g of dibutyltin diacetate were added, and mixed evenly, at 50 React at ℃ for 10h, mix well and react at 50℃ for 10h, distill under reduced pressure to remove small molecular substances such as tetrahydrofuran and water, and obtain epoxy polyether organosilicon hybrid.

[0047] (2) Bisphenol A type epoxy resin E-54 100g, polysiloxane defoamer BYK066 (produced by BYK Germany) 1.2g, butanol 10g, leveling agent EFKA37770.5g, dispersant BYK163 (BYK Germany) Produced by the company) 10g, chrome yellow 2g, quartz sand 40g, epoxy-based polyether organosilicon hybrid 40g synthesized in step (1), placed in a strong mixer an...

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Abstract

The invention discloses an epoxy floor coating containing epoxy polyether organosilicon hybrid and a preparation method thereof, belonging to the field of building materials. According to the method, the epoxy polyether organosilicon hybrid is prepared through hydrolytic polycondensation, and then 100 parts of an epoxy resin, 10 to 80 parts of a curing agent, 1 part to 80 parts of the epoxy polyether organosilicon hybrid, 0.1 part to 3 parts of an antifoaming agent, 0 to 20 parts of an active diluent, 0.5 part to 2 parts of a leveling agent, 0.05 part to 10 parts of a dispersant, 0 to 40 parts of an organic solvent, 2 to 16 parts of pigments, 20 to 150 parts of a filling material and 0 to 5 parts of a promoter are uniformly mixed so as to obtain the epoxy floor coating. Through modification by the epoxy polyether organosilicon hybrid, the epoxy floor coating provided in the invention has the following advantages compared to conventional epoxy floor coatings: a floor coated by the epoxy floor coating has a high hardness and good wear resistance, stain resistance and heat resistance; the preparation method has the advantages of a simple preparation process, easily available raw materials and convenient implementation, which enables production cost to be reduced and strong practicality to be obtained.

Description

technical field [0001] The invention belongs to the field of building materials, and relates to an epoxy floor coating, in particular to an epoxy floor coating containing an epoxy polyether organosilicon hybrid and a preparation method thereof. Background technique [0002] Floor coatings have many advantages such as wear resistance, seamless, dustproof, and easy maintenance. After curing, the performance is stable and will not be affected by weather changes. It can also be made into a corrosion-resistant, elastic, and anti-static functional floor. It is suitable for the various needs of modern industry on the ground, and has been widely used in the industrial floor of automobile, aerospace, electronics, food, medicine, electric power, chemical industry and other industries. Modern industry has various requirements for the floor. Some require the floor to be clean and dust-free; Corrosion resistance of various chemical media. According to the main film-forming substances o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D183/12C09D7/12C08G77/46
Inventor 刘伟区马松琪罗广建王红蕾陈海生
Owner GUANGZHOU CHEM CO LTD CHINESE ACADEMY OF SCI
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