CN103602211A - Antirust paint used for boat bottom and preparation method thereof - Google Patents

Abstract

The invention discloses antirust paint used for a boat bottom. The antirust paint is prepared from following raw materials in parts by weight: 12-15 of an amino resin, 2-3 of zinc powder, 1-2 of nano silicon carbide, 1-2 of phosphoric acid, 70-75 of an E-12 epoxy resin, 7-9 of aluminium triphosphate, 4-5 of butanol, 12-14 of an E-42 epoxy resin, 2-3 of tert-butyl hydroperoxide, 6-8 of zinc oxide, 6-9 of bistetradecanol ester, 15-19 of ethyl acetate, and 3-4 of a film-forming resin. The antirust paint comprises the film-forming resin in the formula, thus improving compatibility of each component and improving the film-forming effect. Paint film obtained by using the antirust paint has excellent adhesive force and impact resistance, and good wear resistance, oil resistance, solvent resistance, water proofness, brine resistance and adhesion force between layers.

Description

Rust-inhibiting paint and preparation method thereof for a kind of hull bottom

Technical field

The present invention relates to a kind of metallic anti-rust paint, specifically a kind of marine metal rust-inhibiting paint.

Background technology

Steamer is owing to travelling all the year round at river or marine greatly, and environment is severe, causes the rust-inhibiting paint outside hull easily to come off, and needs regular brushing again, increases cost, is also unfavorable for hull protection.Not good with rust-inhibiting paint ubiquity weather resistance at the bottom of existing ship, easily come off, not wear-resisting, inadaptable complicated, rugged environment problem.

Summary of the invention

The invention provides rust-inhibiting paint and preparation method thereof for a kind of hull bottom, have good mechanical stability, snappiness and surface hardness, good weatherability, wear resistance are good.

Technical scheme of the present invention is:

A hull bottom rust-inhibiting paint, is characterized in that being made by the feed composition of following ingredients weight parts:

Aminoresin 12-15, zinc powder 2-3, phosphatase 11-2, E-12 epoxy resin 70-75, nanometer silicon carbide 1-2, aluminium triphosphate 7-9, butanols 4-5, E-42 epoxy resin 12-14, tertbutyl peroxide 2-3, zinc oxide 6-8, two ten four carbon alcohols ester 6-9, ethyl acetate 15-19, film-forming resin 3-4.

The preparation method of rust-inhibiting paint for described hull bottom, is characterized in that, comprises the following steps:

(1) first ethyl acetate is joined to reactor, then adding successively E-12 epoxy resin, aluminium triphosphate, butanols, E-42 epoxy resin, two ten four carbon alcohols esters, tertbutyl peroxide at room temperature stirs 20-30 minute with the speed of 800-1000r/min, add again aminoresin, keep identical speed to stir 10-15 minute;

(2) successively all the other components such as phosphoric acid, zinc powder, zinc oxide, nanometer silicon carbide, film-forming resin are joined in aforesaid reaction vessel, with the speed of 1200-1400r/min, fully stir, then drop in sand mill and grind, then filter with 450 order filter cloths.

Described hull bottom rust-inhibiting paint, is characterized in that: described film-forming resin is obtained by the raw material preparation of following weight part:

Alcohol ester 12 14-17, vinyl cyanide 2-3, methylolurea 1-2, Zirconium tetrafluoride 1-2, dimethyl tin oxide 1-2, ethyl acetate 12-14, Iron-ore Slag powder 1-2, sepiolite powder 3-4, Flos Matricariae chamomillae essential oil 1-2, nano-sized carbon 0.1-0.2, Vulcanization accelerator TMTD 1-2, linking agent TAC 1-2; Preparation method mixes Zirconium tetrafluoride, Iron-ore Slag powder, sepiolite powder, Flos Matricariae chamomillae essential oil with ethyl acetate, grinding distribution, then add vinyl cyanide, methylolurea, Vulcanization accelerator TMTD, linking agent TAC, stir, be warming up to 45-50 ℃, stirring reaction 30-45 minute, then add other remaining component, be warming up to 75-85 ℃, stirring reaction 45-60 minute.

Advantage of the present invention is: paint film rust-inhibiting paint of the present invention, in formula, add film-forming resin, improved the consistency of each component, greatly improved film-formation result, the paint film of gained has excellent sticking power and impact resistance, good oiliness and solvent resistance, good water-fast and salt water resistance performance, has good ply adhesion.

Embodiment

A hull bottom rust-inhibiting paint, by following composition weight (kilogram) feed composition make:

Aminoresin 14, zinc powder 3, nanometer silicon carbide 1, phosphoric acid 2, E-12 epoxy resin 74, aluminium triphosphate 8, butanols 4, E-42 epoxy resin 13, tertbutyl peroxide 2, zinc oxide 7, two ten four carbon alcohols esters 8, ethyl acetate 17, film-forming resin 3.

Preparation method comprises the following steps:

(1) preparation of film-forming resin

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

Alcohol ester 12, vinyl cyanide 3, methylolurea 1, Zirconium tetrafluoride 1, dimethyl tin oxide 1, ethyl acetate 13, Iron-ore Slag powder 1, sepiolite powder 4, Flos Matricariae chamomillae essential oil 1, nano-sized carbon 0.1, Vulcanization accelerator TMTD 1, linking agent TAC 2,

Preparation method mixes Zirconium tetrafluoride, Iron-ore Slag powder, sepiolite powder, Flos Matricariae chamomillae essential oil with ethyl acetate, grinding distribution, then add vinyl cyanide, methylolurea, Vulcanization accelerator TMTD, linking agent TAC, stir, be warming up to 45-50 ℃, stirring reaction 30-45 minute, then add other remaining component, be warming up to 70-80 ℃, stirring reaction 40-45 minute;

(2) preparation of rust-inhibiting paint for hull bottom, comprises the following steps:

A, first ethyl acetate is joined to reactor, then adding successively E-12 epoxy resin, aluminium triphosphate, butanols, E-42 epoxy resin, two ten four carbon alcohols esters, tertbutyl peroxide at room temperature stirs 20-30 minute with the speed of 800-1000r/min, add again aminoresin, keep identical speed to stir 10-15 minute;

B, successively all the other components such as phosphoric acid, zinc powder, nanometer silicon carbide, zinc oxide, film-forming resin are joined in aforesaid reaction vessel, speed with 1200-1400r/min fully stirs, then drop in sand mill and grind, with 450 order filter cloths, filter again, then the product after filtering is packed to warehouse-in.

Metallic anti-rust paint performance index of the present invention:

1, time of drying (25 ℃): surface drying 10-180min, does solid work 30h

2, snappiness mm≤2

3, hardness >=2H

4, high temperature resistant (130 ℃) >=580h

5, shock-resistance 56

6, salt spray resistance (120h level) >=2

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 hull bottom rust-inhibiting paint, is characterized in that being made by the feed composition of following ingredients weight parts:

Aminoresin 12-15, zinc powder 2-3, phosphatase 11-2, E-12 epoxy resin 70-75, aluminium triphosphate 7-9, nanometer silicon carbide 1-2, butanols 4-5, E-42 epoxy resin 12-14, tertbutyl peroxide 2-3, zinc oxide 6-8, two ten four carbon alcohols ester 6-9, ethyl acetate 15-19, film-forming resin 3-4.

2. the preparation method of rust-inhibiting paint for hull bottom according to claim 1, is characterized in that, comprises the following steps:

(1) first ethyl acetate is joined to reactor, then adding successively E-12 epoxy resin, aluminium triphosphate, butanols, E-42 epoxy resin, two ten four carbon alcohols esters, tertbutyl peroxide at room temperature stirs 20-30 minute with the speed of 800-1000r/min, add again aminoresin, keep identical speed to stir 10-15 minute;

(2) successively all the other components such as phosphoric acid, zinc powder, zinc oxide, nanometer silicon carbide, film-forming resin are joined in aforesaid reaction vessel, with the speed of 1200-1400r/min, fully stir, then drop in sand mill and grind, then filter with 450 order filter cloths.

3. hull bottom rust-inhibiting 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 14-17, vinyl cyanide 2-3, methylolurea 1-2, Zirconium tetrafluoride 1-2, dimethyl tin oxide 1-2, ethyl acetate 12-14, Iron-ore Slag powder 1-2, sepiolite powder 3-4, Flos Matricariae chamomillae essential oil 1-2, nano-sized carbon 0.1-0.2, Vulcanization accelerator TMTD 1-2, linking agent TAC 1-2; Preparation method mixes Zirconium tetrafluoride, Iron-ore Slag powder, sepiolite powder, Flos Matricariae chamomillae essential oil with ethyl acetate, grinding distribution, then add vinyl cyanide, methylolurea, Vulcanization accelerator TMTD, linking agent TAC, stir, be warming up to 45-50 ℃, stirring reaction 30-45 minute, then add other remaining component, be warming up to 75-85 ℃, stirring reaction 45-60 minute.