CN104448982A - Anticorrosive powder coating - Google Patents

Abstract

The invention discloses an anticorrosive powder coating which is prepared from the following raw materials in parts by weight: 40-50 parts of polyester resin, 12-15 parts of rosin resin, 10-15 parts of epoxy resin, 0.2-0.4 part of polyvinylpyrrolidone, 10-12 parts of compound packing, 1-2 parts of quartz sand, 0.1-0.2 part of copper powder, 0.3-0.4 part of tin powder, 3-5 parts of chlorinated rubber, 1-2 parts of sodium tripolyphosphate, 4-5 parts of metacrylic acid ester, 1-2 parts of silica sol powder, 0.2-0.4 part of aluminum oxide, 2.5-4 parts of ethidene diamine, 1.7-2.3 parts of polyvinyl alcohol, 1-2 parts of glass fibers and 0.1-0.2 part of anacardol.

Description

A kind of anti-corrosive powder paint

Technical field

The invention belongs to field, particularly relate to a kind of anti-corrosive powder paint.

Background technology

Powder coating is form diverse with general coating, and it exists with the state of fines.Owing to not using solvent, so be called powder coating.The principal feature of powder coating has: have harmless, high-level efficiency, saving resource and environmental protection feature.

Summary of the invention

The object of this invention is to provide a kind of anti-corrosive powder paint.

The present invention adopts following technical scheme to achieve these goals:

A kind of anti-corrosive powder paint, it is characterized in that, it is obtained by the raw material of following weight parts:

Vibrin 40-50, Gum Rosin 12-15, epoxy resin 10-15, polyvinylpyrrolidone 0.2-0.4, composite filler 10-12, quartz sand 1-2, copper powder 0.1-0.2, glass putty 0.3-0.4, chlorinated rubber 3-5, tripoly phosphate sodium STPP 1-2, methacrylic ester 4-5, silicon sol powder 1-2, aluminium sesquioxide 0.2-0.4, quadrol 2.5-4, polyvinyl alcohol 1.7-2.3, glass fibre 1-2, cardanol 0.1-0.2;

Composite filler is obtained by the raw material of following weight parts:

Mud 3-5, nano magnesia 2-4, quaternized imidazoline 1-2, silane coupling agent KH560 0.2-0.4, acrylamide 0.1-0.5, maleic anhydride 1-2, polyoxyethylene glycol 1-2, zinc acetate 0.2-0.4, rutile powder materials 5-8, carbide slag 5-10, Xylo-Mucine 0.2-0.4, acetic acid 0.2-0.6, polypropylene 0.2-0.4, xanthan gum 0.1-0.2, activated alumina 1-2, barium titanate 2-4;

Composite filler preparation method is:

Carbide slag is soak 1-2 hour in the salt solution of 4-6% in concentration, takes out, dries, ball milling 10-20 minute, then add nano magnesia, quaternized imidazoles, continue ball milling 30-40 minute, take out, with all the other raw material blendings, add suitable quantity of water, after stirring, dry, cross 60-80 mesh sieve, to obtain final product.

Described a kind of anti-corrosive powder paint, is characterized in that: preparation method comprises the following steps:

(1) all materials take by proportioning, are placed in high-speed mixer, 500-600 rev/min of mixing 1-3min;

(2) extrude with twin screw extruder, screw rod arrangement is standard arrangement, and extrusion temperature controls at 100-110 again ^obetween C;

(3) tablet is extruded through being crushed to the particle of 30-60um;

(4) particulate matter crosses 100-120 mesh sieve, packages spare.

Beneficial effect of the present invention:

Coating after powder paint of the present invention is smooth, good leveling property, and antiseptic property is strong, resistance to wiping, does not come off, long service life.

Embodiment

A kind of anti-corrosive powder paint, it is obtained by the raw material of following weight (kg):

Vibrin 40, Gum Rosin 15, epoxy resin 10, polyvinylpyrrolidone 0.4, composite filler 12, quartz sand 2, copper powder 0.2, glass putty 0.4, chlorinated rubber 5, tripoly phosphate sodium STPP 1, methacrylic ester 4, silicon sol powder 2, aluminium sesquioxide 0.4, quadrol 2.5, polyvinyl alcohol 1.7, glass fibre 1, cardanol 0.1;

Composite filler is obtained by the raw material of following weight (kg):

Mud 3, nano magnesia 2, quaternized imidazoline 1, silane coupling agent KH560 0.4, acrylamide 0.5, maleic anhydride 1, polyoxyethylene glycol 1, zinc acetate 0.4, rutile powder materials 8, carbide slag 10, Xylo-Mucine 0.4, acetic acid 0.6, polypropylene 0.4, xanthan gum 0.2, activated alumina 1, barium titanate 4;

Composite filler preparation method is:

Carbide slag is soak 2 hours in the salt solution of 5% in concentration, takes out, dries, ball milling 20 minutes, then add nano magnesia, quaternized imidazoles, continue ball milling 40 minutes, take out, with all the other raw material blendings, add suitable quantity of water, after stirring, dry, cross 80 mesh sieves, to obtain final product.

Described a kind of anti-corrosive powder paint, preparation method comprises the following steps:

(1) all materials take by proportioning, are placed in high-speed mixer, 600 revs/min of mixing 3min;

(2) extrude with twin screw extruder, screw rod arrangement is standard arrangement, and extrusion temperature controls at 100-110 again ^obetween C;

(3) tablet is extruded through being crushed to the particle of 30-60um;

(4) particulate matter crosses 120 mesh sieves, packages spare.

The performance test data of gained coating is as follows:

Washability number of times >=10000 time;

Solvent resistant: 240 hours, unchanged;

Salt-fog test (1000h): unchanged.

Claims (2)

1. an anti-corrosive powder paint, is characterized in that, it is obtained by the raw material of following weight parts:

Vibrin 40-50, Gum Rosin 12-15, epoxy resin 10-15, polyvinylpyrrolidone 0.2-0.4, composite filler 10-12, quartz sand 1-2, copper powder 0.1-0.2, glass putty 0.3-0.4, chlorinated rubber 3-5, tripoly phosphate sodium STPP 1-2, methacrylic ester 4-5, silicon sol powder 1-2, aluminium sesquioxide 0.2-0.4, quadrol 2.5-4, polyvinyl alcohol 1.7-2.3, glass fibre 1-2, cardanol 0.1-0.2;

Composite filler is obtained by the raw material of following weight parts:

Mud 3-5, nano magnesia 2-4, quaternized imidazoline 1-2, silane coupling agent KH560 0.2-0.4, acrylamide 0.1-0.5, maleic anhydride 1-2, polyoxyethylene glycol 1-2, zinc acetate 0.2-0.4, rutile powder materials 5-8, carbide slag 5-10, Xylo-Mucine 0.2-0.4, acetic acid 0.2-0.6, polypropylene 0.2-0.4, xanthan gum 0.1-0.2, activated alumina 1-2, barium titanate 2-4;

Composite filler preparation method is:

Carbide slag is soak 1-2 hour in the salt solution of 4-6% in concentration, takes out, dries, ball milling 10-20 minute, then add nano magnesia, quaternized imidazoles, continue ball milling 30-40 minute, take out, with all the other raw material blendings, add suitable quantity of water, after stirring, dry, cross 60-80 mesh sieve, to obtain final product.

2. a kind of anti-corrosive powder paint according to claim 1, is characterized in that: preparation method comprises the following steps:

(1) all materials take by proportioning, are placed in high-speed mixer, 500-600 rev/min of mixing 1-3min;

(2) extrude with twin screw extruder, screw rod arrangement is standard arrangement, and extrusion temperature controls at 100-110 again ^obetween C;

(3) tablet is extruded through being crushed to the particle of 30-60um;

(4) particulate matter crosses 100-120 mesh sieve, packages spare.