CN103525277A - Quick-drying iron red oily anti-rust paint and preparation method thereof - Google Patents

Abstract

The invention discloses quick-drying iron red oily anti-rust paint. The quick-drying iron red oily anti-rust paint is prepared from the following raw materials in parts by weight: 10 to 12 parts of petroleum resin, 58 to 63 parts of alkyd resin, 12 to 15 parts of dimethylbenzene, 14 to 17 parts of magnesium hydroxide, 8 to 10 parts of chloroparaffin, 4 to 5 parts of acrylonitrile, 2 to 3 parts of butadiene, 1 to 2 parts of tert-butyl peroxypivalate, 15 to 20 parts of iron red, 6 to 8 parts of amino resin and 5 to 6 parts of film-forming resin. The iron red is introduced into the base materials, so that a substrate is subjected to cathodic protection in the manner of sacrificing the iron red in a corrosion-resistant environment; and the film-forming resin is added into the base materials, so that the adhesive force of a paint film is enhanced, the obtained paint film has a high adhesive force, the corrosion resistance is high, and the anti-rust property and the durability are greatly improved.

Description

A kind of quick dry iron red oily anti-rust paint and preparation method thereof

Technical field

The present invention relates to a kind of quick dry iron red oily anti-rust paint, specifically a kind of quick dry iron red oily anti-rust paint and preparation method thereof.

Background technology

According to statistics, the direct economic loss that China causes due to metallic corrosion every year accounts for 4% of gross national product.Therefore the Anticorrosion Problems of metal more and more causes people's concern.In anticorrosive metal application techniques before, before japanning, pretreatment of metal surface accounts for 45% left and right of whole coating project total price.If can reduce or save rust cleaning, oil removing, the surface treatment procedure such as dewater, can significantly lower painting cost, also can greatly simplify enamelling process simultaneously, thereby reduce labor intensity and reduce the harm of rust dirt to human body.Develop not only environmental protection but also convenient use, the paint of superior performance becomes exigence.

Summary of the invention

The invention provides a kind of quick dry iron red oily anti-rust paint and preparation method thereof, paint film has good mechanical stability, snappiness and surface hardness, good weatherability.

Technical scheme of the present invention is:

A kind of quick dry iron red oily anti-rust paint, it is characterized in that, by the raw material preparation of following weight part, obtained: petroleum resin 10-12, Synolac 58-63, dimethylbenzene 12-15, magnesium hydroxide 14-17, clorafin 8-10, vinyl cyanide 4-5, divinyl 2-3, peroxidation trimethylacetic acid tert-butyl ester 1-2, iron oxide red 15-20, aminoresin 6-8, film-forming resin 5-6.

The preparation method of described quick dry iron red oily anti-rust paint, it is characterized in that, comprise the following steps: (1), dimethylbenzene, divinyl, vinyl cyanide, petroleum resin, Synolac, clorafin are added in reactor, be heated to 40-50 ℃, stir, add the peroxidation trimethylacetic acid tert-butyl ester, under whipped state, then every 8-10 minute, add successively aminoresin, film-forming resin; Be warming up to 80-90 ℃, 800-1000 rev/min of lower stirring reaction 1-2 hour;

(2) reactor material is put into Scattered Kettle, add all the other raw materials such as iron oxide red, in Scattered Kettle, stir, disperse, mass transport after dispersion is carried out wet type sand milling to fineness≤40um in sand mill, again with 1200-1500 rev/min of high speed dispersion 40-50min, then filter, the product after filtering is packed to warehouse-in.

Described quick dry iron red oily anti-rust paint, is characterized in that: described film-forming resin is obtained by the raw material preparation of following weight part:

Alcohol ester 12 12-14, calcium stearate 1-2, Iron-ore Slag powder 1-2, nano silicon 1-2, dimethyl silicone oil 4-5, Vulcanization accelerator TMTD 1-2, aluminium hydroxide 8-10, ethyl acetate 18-21, Union carbide A-162 2-3;

Preparation method adds calcium stearate, Iron-ore Slag powder, nano silicon in ethyl acetate, grinding distribution, then, add again aluminium hydroxide, Union carbide A-162, be warming up to 50-55 ℃, stirring reaction 30-45 minute, then add other remaining component, continue to stir 45-60 minute, obtain.

The present invention by introducing iron oxide red in base-material; make it in anticorrosion environment, to sacrifice the mode of iron oxide red, to ground, carry out galvanic protection; in base-material, also added in addition film-forming resin; improved the sticking power of paint film; the paint film adhesion of gained is high; antiseptic property is good, and rust-preventing characteristic and weather resistance improve greatly.

Embodiment

, by following weight (kilogram) feed composition make:

Petroleum resin 11, Synolac 59, dimethylbenzene 13, magnesium hydroxide 15, clorafin 8, vinyl cyanide 5, divinyl 3, the peroxidation trimethylacetic acid tert-butyl ester 1, iron oxide red 20, aminoresin 8, film-forming resin 6.

Preparation method, comprises the following steps:

(1), dimethylbenzene, divinyl, vinyl cyanide, petroleum resin, Synolac, clorafin are added in reactor, be heated to 44 ℃, stir, add the peroxidation trimethylacetic acid tert-butyl ester, under whipped state, then every 8-10 minute, add successively aminoresin, film-forming resin; Be warming up to 90 ℃, 800 revs/min of lower stirring reactions 1 hour;

(2) reactor material is put into Scattered Kettle, add all the other raw materials such as iron oxide red, in Scattered Kettle, stir, disperse, mass transport after dispersion is carried out wet type sand milling to fineness≤40um in sand mill, again with 1400 revs/min of high speed dispersion 40-50min, then filter, the product after filtering is packed to warehouse-in.

Wherein, film-forming resin is obtained by the raw material preparation of following weight (kg):

Alcohol ester 12, calcium stearate 1, Iron-ore Slag powder 2, nano silicon 2, dimethyl silicone oil 4, Vulcanization accelerator TMTD 2, aluminium hydroxide 9, ethyl acetate 21, Union carbide A-162 2;

Preparation method adds calcium stearate, Iron-ore Slag powder, nano silicon in ethyl acetate, grinding distribution, then, add again aluminium hydroxide, Union carbide A-162, be warming up to 54 ℃, stirring reaction 35 minutes, add again other remaining component, continue to stir 50 minutes, obtain.

Quick dry iron red oily anti-rust paint performance index of the present invention:

1, time of drying (25 ℃): surface drying 25min, does solid work 35h

2, snappiness mm≤2

3, hardness >=2H

4, high temperature resistant (130 ℃) >=520h

5, shock-resistance 60

6, salt spray resistance (120h level) >=3

7, water tolerance (29 ± 1 ℃ of 240h): non-foaming, do not come off

8, oil resistant (90# gasoline, 56h): non-foaming, do not come off

9, alkali resistance (GB/T9755-2001): by 48 hours

10, artificial weathering ageing resistance (GB/T9755-2001): by 1200 hours.

Claims (3)

1. a quick dry iron red oily anti-rust paint, it is characterized in that, by the raw material preparation of following weight part, obtained: petroleum resin 10-12, Synolac 58-63, dimethylbenzene 12-15, magnesium hydroxide 14-17, clorafin 8-10, vinyl cyanide 4-5, divinyl 2-3, peroxidation trimethylacetic acid tert-butyl ester 1-2, iron oxide red 15-20, aminoresin 6-8, film-forming resin 5-6.

2. the preparation method of quick dry iron red oily anti-rust paint according to claim 1, it is characterized in that, comprise the following steps: (1), dimethylbenzene, divinyl, vinyl cyanide, petroleum resin, Synolac, clorafin are added in reactor, be heated to 40-50 ℃, stir, add the peroxidation trimethylacetic acid tert-butyl ester, under whipped state, then every 8-10 minute, add successively aminoresin, film-forming resin; Be warming up to 80-90 ℃, 800-1000 rev/min of lower stirring reaction 1-2 hour;

(2) reactor material is put into Scattered Kettle, add all the other raw materials such as iron oxide red, in Scattered Kettle, stir, disperse, mass transport after dispersion is carried out wet type sand milling to fineness≤40um in sand mill, again with 1200-1500 rev/min of high speed dispersion 40-50min, then filter, the product after filtering is packed to warehouse-in.

3. quick dry iron red oily anti-rust paint according to claim 1, is characterized in that: described film-forming resin is by the raw material preparation of following weight part and obtain:

Alcohol ester 12 12-14, calcium stearate 1-2, Iron-ore Slag powder 1-2, nano silicon 1-2, dimethyl silicone oil 4-5, Vulcanization accelerator TMTD 1-2, aluminium hydroxide 8-10, ethyl acetate 18-21, Union carbide A-162 2-3;

Preparation method adds calcium stearate, Iron-ore Slag powder, nano silicon in ethyl acetate, grinding distribution, then, add again aluminium hydroxide, Union carbide A-162, be warming up to 50-55 ℃, stirring reaction 30-45 minute, then add other remaining component, continue to stir 45-60 minute, obtain.