CN106318082A - Anti-corrosive paint added with zinc stearate-amide modifiers - Google Patents

Anti-corrosive paint added with zinc stearate-amide modifiers Download PDF

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Publication number
CN106318082A
CN106318082A CN201610722049.7A CN201610722049A CN106318082A CN 106318082 A CN106318082 A CN 106318082A CN 201610722049 A CN201610722049 A CN 201610722049A CN 106318082 A CN106318082 A CN 106318082A
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China
Prior art keywords
amide
zinc stearate
antifouling paint
modifying agent
type modifying
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Pending
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CN201610722049.7A
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Chinese (zh)
Inventor
梁升辉
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Individual
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Individual
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Priority to CN201610722049.7A priority Critical patent/CN106318082A/en
Publication of CN106318082A publication Critical patent/CN106318082A/en
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
    • C09D143/04—Homopolymers or copolymers of monomers containing silicon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/16—Halogen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/20—Carboxylic acid amides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C09D5/10—Anti-corrosive paints containing metal dust
    • C09D5/106—Anti-corrosive paints containing metal dust containing Zn
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/0893—Zinc
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/16—Halogen-containing compounds
    • C08K2003/166—Magnesium halide, e.g. magnesium chloride

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses anti-corrosive paint added with composite modifiers. The paint is prepared from 20%-30% of sodium silicate, 45%-60% of superfine zinc powder, 10%-20% of silicone-acrylic emulsion, 3%-5% of a titanate coupling agent, 3%-4% of a MgCl2 aqueous solution, 2%-3% of zinc stearate and 2%-3% of dedecyl glycolamide. By adding the zinc stearate stabilizer and dedecyl glycolamide, the stability of the paint is greatly improved.

Description

A kind of antifouling paint adding zinc stearate/amide-type modifying agent and preparation method
Technical field
The present invention relates to a kind of antifouling paint and preparation method thereof, add stearate and dodecyl particularly to one The preparation method of the antifouling paint of glycol amide modifying agent, belongs to paint synthesis field.
Background technology
Add up according to relevant departments, annual because the iron and steel loss that corrosion causes accounts for the 10%-20% of annual production, for these people Prevented by antifouling paint or delay corrosion.Common antifouling paint simply prevents steel corrosion in the way of isolation air, In terms of two, mainly reach antiseptical purpose: one is with shielding action, and antifouling paint paint film stops corrosive medium and material list Face contacts, and cuts off the path of corrosion cell, increases resistance；Another is corrosion inhibition, some pigment of antifouling paint, or its With film forming matter or the product of moisture, ground metal can be risen corrosion inhibition, but both antifouling paint antiseptic effects have Limit.
Along with the requirement raising to steel anti-corrosive, zinc-rich antifouling paint receives significant attention, containing a large amount of in zinc rich paint Zinc powder, is in close contact between zinc particles, between zinc particles and steel surface, and the current potential of zinc is more negative than ferrum, thus molten at electrolyte In liquid, zinc atom easily loses electronics and becomes anode, and iron rule is negative electrode.In anode region, zinc is corroded owing to losing electronics, Cathode chamber steel surface is continuously available electronics, thus is protected.After having site tissue damage on film, expose parent metal, Less area internal corrosion electric current can flow to iron and steel exposed portion, then the product of zinc is deposited upon being here formed as layer protecting film, Corrosion is delayed to continue to occur.
Zinc rich paint is divided into organic zinc rich paint and inorganic zinc-rich paint, and organic zinc rich paint commonly uses epoxy resin, chlorination Rubber, vinylite and polyurethane resin are film forming binder.But the electric conductivity of the organic binder of organic zinc rich paint is poor. Inorganic zinc-rich paint is divided into again solvent-borne type and aqueous two class.Wherein aqueous inorganic zinc rich paint is by aqueous inorganic silicate The compositions such as (receive, potassium, lithium) resin, zinc powder, auxiliary agent.Aqueous inorganic zinc rich paint, due to its organic solvent-free, has free from extraneous odour, no Fire the most quick-fried, the advantage such as free from environmental pollution, but owing to solvent is few, wettability is low, thus adhesive force is not as corresponding solvent based coating Well, and zinc powder adds in coating, and owing to zinc powder wettability is bad, zinc powder easily settles, and affects product quality.
In order to overcome disadvantage mentioned above, in paint preparation process, add zinc stearate stabilizer, introduce thin in paint Pine network thixotropy structure, prevents from expecting granule sedimentation, adds people's dodecanediol acidamide surfactant, it is thus possible to play simultaneously The characteristic such as moistening, solubilising, both form coordinating effect, are substantially improved the stability of paint.
Summary of the invention
The present invention discloses a kind of antifouling paint adding composite modifier and preparation method thereof, the matter of component contained by this paint Amount percentage ratio is:
Sodium silicate 20%-30%；
Super-fine zinc dust 45%-60%；
Silicone acrylic emulsion 10%-20%；
Titanate coupling agent 3%-5%；
MgCl2Aqueous solution 3%-4%；
Zinc stearate 2%-3%；
Dodecanediol amide 2%-3%.
The preparation method of a kind of antifouling paint adding composite modifier, its preparation method comprises the steps:
(1) sodium silicate solution is poured in container, be heated slowly to uniform temperature；
The most again silicone acrylic emulsion is added slowly in container, and is continuously agitated, after interpolation, stop heating；
Appropriate titanate coupling agent, high-speed stirred is added the most again in container；
(4) add zinc powder, be continuously agitated uniformly；
(5) finally add appropriate MgCl successively2Aqueous solution, zinc stearate and dodecanediol amide, after stirring Obtain a kind of antifouling paint adding composite modifier.
Preferentially, step (1) in, added heating-up temperature is 60-75 DEG C.
Preferentially, step (4) in, added zinc powder is 500-700 mesh.
The present invention has following advantages and a characteristic:
(1) preparation technology is simple；
(2) paint stabilization is good.
Detailed description of the invention
Embodiment one:
200g sodium silicate solution is poured in a heatable container, is slowly heated, after solution temperature reaches 60 DEG C more past Container drips 100g silicone acrylic emulsion, and is continuously agitated, after dropping, stop heating, after system temperature is down to room temperature, then In container, add 30g titanate coupling agent, and improve mixing speed, be subsequently adding the 500 mesh super-fine zinc dusts of 600g, finally depend on Secondary interpolation 30gMgCl2Aqueous solution, 20g zinc stearate and 20g dodecanediol amide, i.e. obtain a kind of after stirring Add the antifouling paint of composite modifier.
Embodiment two:
500g sodium silicate solution is poured in a heatable container, is slowly heated, after solution temperature reaches 65 DEG C more past Container drips 200g silicone acrylic emulsion, and is continuously agitated, after dropping, stop heating, after system temperature is down to room temperature, then In container, add 100g titanate coupling agent, and improve mixing speed, be subsequently adding the 600 mesh super-fine zinc dusts of 1000g, finally Add 80gMgCl successively2Aqueous solution and 60g zinc stearate and 60g dodecanediol amide, i.e. obtain one after stirring Plant the antifouling paint adding composite modifier.
Embodiment three:
1500g sodium silicate solution is poured in a heatable container, is slowly heated, after solution temperature reaches 75 DEG C, then In container, drip 750g silicone acrylic emulsion, and be continuously agitated, after dropping, stop heating, after system temperature is down to room temperature, In container, add 150g titanate coupling agent again, and improve mixing speed, be subsequently adding the 700 mesh super-fine zinc dusts of 2550g, After add 150gMgCl successively2Aqueous solution and 100g zinc stearate and 100g dodecanediol amide, after stirring Obtain a kind of antifouling paint adding composite modifier.

Claims (9)

1. the antifouling paint adding zinc stearate/amide-type modifying agent, it is characterised in that this paint comprises sodium silicate, surpasses Thin zinc powder, silicone acrylic emulsion, titanate coupling agent, MgCl2Aqueous solution, zinc stearate, dodecanediol amide.
A kind of antifouling paint adding zinc stearate/amide-type modifying agent the most as claimed in claim 1, it is characterised in that silicon Acid sodium constituent content is 20%-30%.
A kind of antifouling paint adding zinc stearate/amide-type modifying agent the most as claimed in claim 1, it is characterised in that super Thin zinc powder constituent content is 45%-60%.
A kind of antifouling paint adding zinc stearate/amide-type modifying agent the most as claimed in claim 1, it is characterised in that silicon Acrylic emulsion constituent content is 10%-20%.
A kind of antifouling paint adding zinc stearate/amide-type modifying agent the most as claimed in claim 1, it is characterised in that titanium Acid esters coupling agent component content is 3%-5%.
A kind of antifouling paint adding zinc stearate/amide-type modifying agent the most as claimed in claim 1, it is characterised in that MgCl2Aqueous composition content is 3%-4%.
A kind of antifouling paint adding zinc stearate/amide-type modifying agent the most as claimed in claim 1, it is characterised in that hard Fat acid zinc constituent content is 2%-3%.
A kind of antifouling paint adding zinc stearate/amide-type modifying agent the most as claimed in claim 1, it is characterised in that ten Dialkyl group glycol amide component content is 2%-3%.
9. a kind of antifouling paint adding zinc stearate/amide-type modifying agent as described in any one of claim 1-8, its feature Being, the preparation method of this paint comprises the steps:
(1) sodium silicate solution is poured in container, be heated slowly to uniform temperature；
The most again silicone acrylic emulsion is added slowly in container, and is continuously agitated, after interpolation, stop heating；
Appropriate titanate coupling agent, high-speed stirred is added the most again in container；
(4) add zinc powder, be continuously agitated uniformly；
(5) finally add appropriate MgCl successively2Aqueous solution, zinc stearate and dodecanediol amide, after stirring Obtain a kind of antifouling paint adding composite modifier.
CN201610722049.7A 2016-08-25 2016-08-25 Anti-corrosive paint added with zinc stearate-amide modifiers Pending CN106318082A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610722049.7A CN106318082A (en) 2016-08-25 2016-08-25 Anti-corrosive paint added with zinc stearate-amide modifiers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610722049.7A CN106318082A (en) 2016-08-25 2016-08-25 Anti-corrosive paint added with zinc stearate-amide modifiers

Publications (1)

Publication Number Publication Date
CN106318082A true CN106318082A (en) 2017-01-11

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Country Status (1)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105001738A (en) * 2015-08-02 2015-10-28 韦武昌 Anti-corrosion paint to which zinc stearate is added

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105001738A (en) * 2015-08-02 2015-10-28 韦武昌 Anti-corrosion paint to which zinc stearate is added

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