Alkyd rust-proof coating for metal

An anti-rust coating and alkyd technology, applied in the electronic field, can solve problems such as low adhesion and low impact strength, and achieve the effect of simple raw materials, easy access to raw materials, and simple preparation methods

Inactive Publication Date: 2016-11-02
朱小龙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides an alkyd antirust paint for metals with fast drying and high impact strength, which solves the technical problems of low impact strength and low adhesion of existing metal paints

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Step 1: Weigh 100 parts of alkyd resin, 1 part of aluminum powder paste, 1 part of rosin modified phenolic resin, 1 part of hydroquinone, 5 parts of methyl ethyl ketone, 2 parts of tung oil, and 20 parts of vinyl acetate according to the ratio of parts by mass. 10 parts of vinyl chloride, 1.5 parts of linseed oil, and 10 parts of azobisisobutyronitrile.

[0017] Step 2: Put the aluminum powder slurry, methyl ethyl ketone and alkyd resin into the reaction kettle, heat to 50°C, and stir at 250r / min for 60min.

[0018] Step 3: Add vinyl acetate and rosin-modified phenolic resin, mix evenly at 140°C, add the remaining raw materials and put them into a grinder to grind for 6 hours, filter and pack.

[0019] The appearance of the paint film is smooth, the adhesion is 100%, the surface dry time is 14 hours, and the hard work is 20 hours; the impact strength is 50N / mm, and the hiding power is 220g / m 2 ; The hardness is 0.3, the surface viscosity is 20s, the preparation method ...

Embodiment 2

[0021] Step 1: Weigh 100 parts of alkyd resin, 5 parts of aluminum powder paste, 5 parts of rosin modified phenolic resin, 3 parts of hydroquinone, 25 parts of methyl ethyl ketone, 6 parts of tung oil, and 40 parts of vinyl acetate according to the ratio of parts by mass. 30 parts of vinyl chloride, 5.5 parts of linseed oil, and 30 parts of azobisisobutyronitrile.

[0022] Step 2: Put the aluminum powder slurry, methyl ethyl ketone and alkyd resin into the reaction kettle, heat to 90°C, and stir at 350r / min for 80min.

[0023] Step 3: Add vinyl acetate and rosin-modified phenolic resin, mix evenly at 180°C, add the remaining raw materials and put them into a grinder to grind for 8 hours, filter and pack.

[0024] The appearance of the paint film is smooth, the adhesion is 100%, the surface dry time is 13 hours, and the hard work is 19 hours; the impact strength is 60N / mm, and the hiding power is 230g / m 2 ; The hardness is 0.4, the surface viscosity is 25s, the preparation met...

Embodiment 3

[0026] Step 1: Weigh 100 parts of alkyd resin, 2 parts of aluminum powder paste, 2 parts of rosin modified phenolic resin, 1.5 parts of hydroquinone, 10 parts of methyl ethyl ketone, 3 parts of tung oil, and 25 parts of vinyl acetate according to the ratio of parts by mass. 15 parts of vinyl chloride, 2.5 parts of linseed oil, and 15 parts of azobisisobutyronitrile.

[0027] Step 2: Put the aluminum powder slurry, methyl ethyl ketone and alkyd resin into the reaction kettle, heat to 50°C, and stir at 250r / min for 60min.

[0028] Step 3: Add vinyl acetate and rosin-modified phenolic resin, mix evenly at 140°C, add the remaining raw materials and put them into a grinder to grind for 6 hours, filter and pack.

[0029] The appearance of the paint film is smooth, the adhesion is 100%, the surface dry time is 12 hours, and the hard work is 18 hours; the impact strength is 70N / mm, and the hiding power is 240g / m 2 ; The hardness is 0.5, the surface viscosity is 30s, the preparation m...

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Abstract

The invention discloses an alkyd rust-proof coating for metal, which includes the raw materials of: alkyd resin, aluminum powder slurry, rosin-modified phenolic resin, hydroquinone, methyl-ethyl ketone, tung oil, vinyl acetate, ethylene chloride, linseed oil and azodiisobutyronitrile. The coating can form a flat and smooth paint film. The coating is 100% in adhesion force, is 10-14 h in surface drying time and 16-20 h in hard drying time, is 50-90 N / mm in impact strength, is 220-260 g / m<2> in coverage force, is 0.3-0.7 in hardness and is 20-40 s in surface viscosity. The coating is simple is preparation method, is prepared from easy-to-obtained raw materials, can be widely produced and can continuously replace materials in the prior art.

Description

technical field [0001] The invention relates to the technical field of electronics, in particular to an alkyd antirust paint for metal. Background technique [0002] Paint, traditionally called paint in China. The so-called paint is coated on the surface of the object to be protected or decorated, and can form a continuous film firmly attached to the object to be coated, usually based on resin, oil, or emulsion, with or without adding pigments, fillers, adding The corresponding additives are viscous liquids prepared with organic solvents or water. The relatively authoritative book "Painting Technology" in the Chinese coatings industry defines it as follows: "Painting is a material that can be coated on the surface of an object by different construction techniques to form a firm adhesion, a certain strength, and a continuous coating. Solid film. The film formed in this way is commonly called a coating film, also known as a paint film or a coating." [0003] Paint (paint), ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/08C09D161/14C09D191/00C09D5/10C09D7/12
CPCC09D167/08C08L2205/025C08L2205/035C09D5/103C09D7/63C08L61/14C08L91/00C08K13/02C08K2003/0812C08K5/13
Inventor 朱小龙
Owner 朱小龙
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