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Medical rust-removal and antirust paint and preparation method therefor

A technology of anti-rust paint and aluminum tripolyphosphate, which is applied in the direction of anti-corrosion coatings and coatings, can solve the problems of slow drying and poor anti-corrosion performance, and achieve the effects of good heat and humidity resistance, good drying performance and good anti-corrosion performance

Inactive Publication Date: 2015-09-23
SUZHOU JONATHAN NEW MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The invention provides a medical rust-removing and anti-rust paint with fast drying and good anti-corrosion performance and its preparation method, which solves the technical problems of slow drying and poor anti-corrosion performance of existing medical materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Step 1: Weigh 100 parts of styrene, 20 parts of phosphorus zinc white, 60 parts of phosphoric acid, 4 parts of zinc oxide, 3 parts of zinc chrome yellow, 1 part of organic bentonite, and 40 parts of polyvinyl acetate emulsion according to the ratio of parts by mass. 10 parts of deionized water, 0.2 parts of ammonium persulfate, and 5 parts of aluminum tripolyphosphate.

[0022] Step 2: Put styrene, phosphoric zinc white, phosphoric acid, zinc oxide and organic bentonite into the reaction kettle, heat to 120°C, and stir at 260r / min for 40min.

[0023] Step 3: Let the stirred liquid stand for 80 minutes, add zinc chrome yellow, polyvinyl acetate emulsion, deionized water, ammonium persulfate and aluminum tripolyphosphate, mix well at 140°C, put it into a grinder for 10 hours, and filter After packing.

[0024] Anti-rust for medical appliances, high surface strength, viscosity 60s, fineness 40μm, flexibility 0.2mm, good adhesion to metal, adhesion level 1; good anti-corro...

Embodiment 2

[0026] Step 1: Weigh 100 parts of styrene, 60 parts of phosphorus zinc white, 80 parts of phosphoric acid, 8 parts of zinc oxide, 7 parts of zinc chrome yellow, 5 parts of organic bentonite, and 60 parts of polyvinyl acetate emulsion according to the ratio of parts by mass. 30 parts of deionized water, 0.8 parts of ammonium persulfate, and 25 parts of aluminum tripolyphosphate.

[0027] Step 2: Put styrene, phosphoric zinc white, phosphoric acid, zinc oxide and organic bentonite into the reaction kettle, heat to 140°C, and stir at 280r / min for 60min.

[0028] Step 3: Let the stirred liquid stand for 100 minutes, add zinc chrome yellow, polyvinyl acetate emulsion, deionized water, ammonium persulfate and aluminum tripolyphosphate, mix well at 180°C, put it into a grinder for 14 hours, and filter After packing.

[0029] Anti-rust for medical appliances, high surface strength, viscosity 65s, fineness 45μm, flexibility 0.4mm, good adhesion to metal, adhesion level 1; good anti-co...

Embodiment 3

[0031] Step 1: Weigh 100 parts of styrene, 30 parts of phosphorus zinc white, 65 parts of phosphoric acid, 5 parts of zinc oxide, 4 parts of zinc chrome yellow, 2 parts of organic bentonite, 45 parts of polyvinyl acetate emulsion according to the ratio of parts by mass. 15 parts of deionized water, 0.3 parts of ammonium persulfate, and 10 parts of aluminum tripolyphosphate.

[0032]Step 2: Put styrene, phosphoric zinc white, phosphoric acid, zinc oxide and organic bentonite into the reaction kettle, heat to 120°C, and stir at 260r / min for 40min.

[0033] Step 3: Let the stirred liquid stand for 80 minutes, add zinc chrome yellow, polyvinyl acetate emulsion, deionized water, ammonium persulfate and aluminum tripolyphosphate, mix well at 140°C, put it into a grinder for 10 hours, and filter After packing.

[0034] Anti-rust for medical appliances, high surface strength, viscosity 70s, fineness 50μm, flexibility 0.5mm, good adhesion to metal, adhesion level 1; good anti-corrosio...

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Abstract

The invention discloses medical rust-removal and antirust paint and a preparation method therefor. The paint is prepared from the following raw materials: styrene, zinc phosphate, phosphoric acid, zinc oxide, zinc chrome yellow, organobentonite, a polyvinyl acetate emulsion, deionized water, ammonium persulfate and aluminum triphosphate. The paint which is applied to medical apparatuses is antirust, the viscosity of the paint is 60-80, the fineness of the paint is 40-60 [mu]m, the flexibility of the paint is 0.2-0.8mm and the adhesive force of the paint is level 1-2; the paint has good antiseptic property, impact resistance within 60-80cm, impact strength of 500-550N / cm, and salt water resistance of not blistering and not falling within 1-3 days; the surface-drying time is 0.1-0.5 hour, the hard-drying time is 8-12 hours and the covering power is 95-115g / cm<2>.

Description

technical field [0001] The invention relates to the technical field of medical materials, in particular to a medical rust-removing and anti-rust paint and a preparation method thereof. Background technique [0002] Antirust paint is a coating that protects metal surfaces from chemical or electrochemical corrosion from the atmosphere, sea water, etc. Mainly divided into two categories of physical and chemical antirust paint. The former relies on the proper coordination of pigments and paints to form a dense paint film to prevent the intrusion of corrosive substances, such as rust removal, rust removal, graphite antirust paint, etc.; the latter relies on the chemical antirust effect of antirust pigments, such as benzene Vinyl, zinc yellow antirust paint, etc. Used for rust prevention of bridges, ships, pipelines and other metals. Styrene antirust paint is a paint mixed with styrene and drying oil. It has good permeability and wettability, soft paint film and strong adhesi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/00C09D4/06C09D5/10C09D7/12
Inventor 吕少波李卓才李苏杨
Owner SUZHOU JONATHAN NEW MATERIALS TECH
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