Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A technology of glass flakes and anti-corrosion coatings, applied in the field of coatings, can solve problems such as corrosion, and achieve the effects of not easy to sink, good storage stability, strong corrosion resistance and impermeability
Active Publication Date: 2010-02-10
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
View PDF4 Cites 25 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
[0003] The purpose of the present invention is to provide a polyaniline modified glass flake epoxy heavy-duty anti-corrosion coating and its preparation method, which solves the problem that most of the existing glass flake anti-corrosion coatings need to be coated with primer on the surface of steel or other metal substrates during construction. To increase the anti-corrosion performance and prevent corrosion at the interface between the coating and the substrate
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1-3
[0055] Prepare polyaniline-modified glass flakes as follows:
[0056] (a) Prepare a mixed aqueous solution of phosphoric acid and phytic acid: wherein the phosphoric acid is 1.5 mol / liter; the phytic acid is 0.5 mol / liter.
[0057] (b) Add aniline to the mixed aqueous solution of phosphoric acid and phytic acid, the concentration of aniline after mixing is: 0.5 mol / liter. Stirring was continued for 0.5 hours. Take 500ml of mixed aqueous solution of phosphoric acid, phytic acid and aniline, add 70g of 240-mesh glass flakes, and stir for 10 minutes, then pre-cool to 8°C.
[0058] (c) Prepare an aqueous solution of an oxidizing agent: select benzoyl peroxide as an oxidizing agent, and prepare a concentration of benzoyl peroxide of 1.5 mol / liter. Precool the aqueous solution of benzoyl peroxide to 8°C.
[0059] (d) Slowly add 500ml of solution (c) into 500ml of phosphoric acid, phytic acid and aniline mixed aqueous solution (b) containing glass flakes within 10-30 minutes, reac...
Embodiment 4-6
[0064] Prepare polyaniline-modified glass flakes as follows:
[0065] (a) Prepare a mixed aqueous solution of phosphoric acid and phytic acid: wherein phosphoric acid is 0.5 mol / liter; phytic acid is 0.1 mol / liter.
[0066] (b) Add aniline to the mixed aqueous solution of phosphoric acid and phytic acid, and the concentration of aniline after mixing is: 0.1 mol / liter. Stirring was continued for 1.5 hours. Take 500ml of mixed aqueous solution of phosphoric acid, phytic acid and aniline, add 20g of 325-mesh glass flakes, and stir for 25 minutes, then pre-cool to 2°C.
[0067] (c) Prepare an aqueous solution of an oxidizing agent: ammonium persulfate is selected as the oxidizing agent, and the concentration of ammonium persulfate prepared is 0.5 mol / liter. The aqueous solution of ammonium persulfate was precooled to 2°C.
[0068] (d) Slowly add 500ml of solution (c) into 500ml of phosphoric acid, phytic acid and aniline mixed aqueous solution (b) containing glass flakes within...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Property
Measurement
Unit
thickness
aaaaa
aaaaa
particle size (mesh)
aaaaa
aaaaa
Login to view more
Abstract
The invention relates to coating technology, in particular to a polyaniline modified glass flake heavy-duty anti-corrosive coating and a preparation method thereof to solve the problems that when theprior glass flake anti-corrosive coatings are constructed, most of the glass flake anti-corrosive coatings require to coat primer on the surface of steel or other metal matrix to improve the corrosionresistance and prevent corrosion between the coat and the interface of the matrix, and the like. The polyaniline modified glass flake heavy-duty anti-corrosive coating comprises epoxy resin, a polyaniline modified glass flake, an amine curing agent and the like. A polyaniline coating layer is formed on the surface of the glass flake by an oxidative polymerization method; the glass flake after thetreatment has the passivating effect on metal; and a phytic coating layer on the surface of the glass flake also has the corrosion inhibiting effect on the metal. The polyaniline modified glass flakeheavy-duty anti-corrosive coating has strong corrosion resistance and permeability resistance, can be applied to heavy-duty anti-corrosive projects such as petrochemical equipment, pipelines, offshore oil platforms, wharf facilities, shipping and the like, and is particularly suitable for protecting wave splashing zones and tidal difference zones.
Description
technical field [0001] The invention relates to paint technology, in particular to a polyaniline-modified glass flake epoxy heavy-duty anti-corrosion paint and a preparation method thereof. Background technique [0002] Chinese invention patent (Patent No. ZL91111830.6) proposes a preparation method of glass flake anticorrosion coating, which is composed of epoxy resin, glass flake, solvent, titanate coupling agent, and modified amine curing agent. The Chinese invention application (publication number CN 1789351A) discloses a glass flake cement coating, which consists of vinyl ester resin, glass flakes and additives, and is used in places with high requirements for flue gas desulfurization and anticorrosion. Chinese invention patent (Patent No. ZL 93117158.X) proposes a method for preparing a boron-modified phenolic resin anti-corrosion composite material containing glass flakes. Chinese invention patent application (publication numbers CN 1861717A, 1861718A, 1861719A) prop...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more