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Environment-friendly superhydrophobic anti-impact epoxy resin powder coating and preparation method thereof

A technology of epoxy resin powder and phenolic epoxy resin, which is applied in the field of environmental protection super-hydrophobic and impact-resistant epoxy resin powder coating and its preparation, can solve the problems of poor waterproof effect, brittle epoxy resin, etc., and achieves increased heat resistance. properties, prolonging service life, and improving flame retardant properties

Inactive Publication Date: 2018-08-21
陈一明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to overcome the problems of fragile epoxy resin and poor waterproof effect in the prior art, and provide a shock-resistant and waterproof epoxy resin powder coating

Method used

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  • Environment-friendly superhydrophobic anti-impact epoxy resin powder coating and preparation method thereof
  • Environment-friendly superhydrophobic anti-impact epoxy resin powder coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] An environment-friendly superhydrophobic impact-resistant epoxy resin powder coating, comprising the following raw materials in parts by weight:

[0021] 70 parts of modified novolak epoxy resin, 20 parts of nanoclay, 15 parts of carbon black, 10 parts of aluminum nitride micro-particles, 0.2 parts of zinc oxide, 0.2 parts of sodium pentachlorophenate, 0.5 parts of 2,4-dihydroxybenzophenone 1 part, 1 part of borax, 0.2 part of p-phenylenediamine.

[0022] The preparation method of modified novolac epoxy resin is:

[0023] Add 5 parts by weight of novolac epoxy resin and 150 parts by weight of n-butanol into a four-necked flask, heat up to 70°C, stir and dissolve, then add 3 parts by weight of crotonic acid, 2 parts by weight of Leaf alcohol, 2 parts by weight of γ-methacryloxypropyl trimethoxysilane and 0.02 parts by weight of dimethyl azobisisobutyrate initiator, stirred for 4 hours, and the normal The butanol solvent is distilled off, and the modified novolac epoxy ...

Embodiment 2

[0030] An environment-friendly superhydrophobic impact-resistant epoxy resin powder coating, comprising the following raw materials in parts by weight:

[0031] 70 parts of modified novolak epoxy resin, 20 parts of nanoclay, 15 parts of carbon black, 10 parts of aluminum nitride micro-particles, 0.2 parts of zinc oxide, 0.2 parts of sodium pentachlorophenate, 0.5 parts of 2,4-dihydroxybenzophenone 1 part, 1 part of borax, 0.2 part of p-phenylenediamine, Fe 2 o 3 -Ca 2 NbO 7 - 3 parts of MgO powder.

[0032] The preparation method of modified novolac epoxy resin is:

[0033] Add 5 parts by weight of novolac epoxy resin and 150 parts by weight of n-butanol into a four-necked flask, heat up to 70°C, stir and dissolve, then add 3 parts by weight of crotonic acid, 2 parts by weight of Leaf alcohol, 2 parts by weight of γ-methacryloxypropyl trimethoxysilane and 0.02 parts by weight of dimethyl azobisisobutyrate initiator, stirred for 4 hours, and the normal The butanol solvent...

Embodiment 3

[0042] An environment-friendly superhydrophobic impact-resistant epoxy resin powder coating, comprising the following raw materials in parts by weight:

[0043] 73 parts of modified novolac epoxy resin, 25 parts of nano clay, 16 parts of carbon black, 13 parts of aluminum nitride micro-particles, 0.3 parts of zinc oxide, 0.3 parts of sodium pentachlorophenate, 0.6 parts of 2,4-dihydroxybenzophenone Parts, 1.2 parts of borax, 0.3 parts of p-phenylenediamine, Fe 2 o 3 -Ca 2 NbO 7 - 3.5 parts of MgO powder.

[0044] The preparation method of modified novolac epoxy resin is:

[0045] Add 6 parts by weight of novolac epoxy resin and 160 parts by weight of n-butanol into a four-necked flask, heat up to 73°C, stir and dissolve, then add 4 parts by weight of crotonic acid, 3 parts by weight of Leaf alcohol, 3 parts by weight of γ-methacryloxypropyltrimethoxysilane and 0.02 parts by weight of dimethyl azobisisobutyrate initiator, stirring for 4.5h, using a rotary evaporator to Th...

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Abstract

The invention relates to the technical field of coatings, and discloses an environment-friendly superhydrophobic anti-impact epoxy resin powder coating and a preparation method thereof. The environment-friendly superhydrophobic anti-impact epoxy resin powder coating comprises the following raw materials in parts by weight: 70-80 parts of modified phenolic epoxy resin, 20-30 parts of nano-clay, 15-20 parts of carbon black, 10-20 parts of aluminum nitride micro-particles, 0.2-0.5 parts of zinc oxide, 0.2-0.5 parts of sodium pentachlorphenate, 0.5-1 part of 2,4-dihydroxybenzophenone, 1-2 parts ofborax and 0.2-0.5 parts of p-phenylenediamine. The environment-friendly superhydrophobic anti-impact epoxy resin powder coating provided by the invention has advantages of relatively good impact resistance, heat resistance and water resistance, and environmental protection.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to an environmentally friendly superhydrophobic impact-resistant epoxy resin powder coating and a preparation method thereof. Background technique [0002] Paint is a chemical product made of resins and oils, with or without pigments. Applying the paint on the surface of the object can dry and form a film, which separates the surface of the coated substance from the environmental medium, thereby protecting the coated substance. Coatings generally include epoxy resin coatings, amino resin coatings, phenolic resin coatings, alkyd resin coatings, and the like. Among them, epoxy resin coating has excellent chemical resistance and anti-corrosion performance, and has good adhesion to metal, glass, ceramics, etc., and is widely used in the coating of steel structures, buildings, vehicles, furniture, etc. Influenced by conditions, the coating is required to have good aging resistance, wa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D151/08C09D5/03C09D5/14C09D5/18C09D7/62C09D7/61
CPCC08K3/22C08K9/02C08K9/10C08K13/06C08K2003/222C08K2003/2272C08K2003/282C08K2201/011C09D5/033C09D5/14C09D5/18C09D151/08
Inventor 陈一明
Owner 陈一明
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