CN103254786A - Polyester anti-rust oil and preparation method thereof - Google Patents

Abstract

The invention discloses polyester anti-rust oil, which consists of the following raw materials in parts by weight: 40-45 parts of N32# mechanical oil, 25-35 parts of 200SN base oil, 4-5 parts of oleic acid polyoxyethylene ester, 2-4 parts of dibutyl phthalate, 2-3 parts of dibutyl adipate, 2-3 parts of 2-aminoethyl heptade-alkenyl imidazoline, 3-4 parts of ozocerite, 1-2 parts of phenylethanolamine, 3-5 parts of coalescing agent, 1-2 parts of carbonate bicyclic amine and 2-3 parts of chromic acid tert-butyl ester. The anti-rust oil prepared by the invention is difficult to discolor and oxidize, cannot influence the appearance of a workpiece and has high comprehensive performance, high salt mist resistance, high damp-heat resistance, high aging resistance and high cleanability; by the coalescing agent, the surface tension of an oil film is improved, so that the oil film can be uniformly sprayed; the spreading performance on the surface of a metal workpiece is high; the formed oil film is uniform and stable; and the metal retaining protection effect is enhanced.

Description

A kind of polyester slushing oil and preparation method thereof

Technical field

The present invention relates generally to a kind of oil, relates in particular to a kind of polyester slushing oil and preparation method thereof.

Background technology

Along with present national defence, developing rapidly of industries such as automobile making, demand to sheet metal is increasing, surface quality to sheet material requires also more and more higher, because it is how anticorrosion, be lowered into product, transportation, the loss of storing cost is the most important thing, at present, prevent that generally cooking of metallic corrosion from being that workpiece surface is coated with last layer slushing oil, at present traditional big multicomponent of slushing oil is simple, certain or several specific aspect performance pretty good, but over-all properties is bad, the slushing oil rust-proof life that has is short, the salt fog resistance ability that has, the paint film instability that has is difficult to satisfy antirust demand.

Summary of the invention

The object of the invention is exactly in order to remedy the defective of prior art, a kind of polyester slushing oil and preparation method thereof to be provided.

The present invention is achieved by the following technical solutions:

A kind of polyester slushing oil, it is made up of the raw material of following weight parts:

N32# machinery oil 40-45,200SN base oil 25-35, polyoxyethylene oleic acid ester 4-5, dibutyl phthalate 2-4, Polycizer W 260 2-3,2-aminoethyl 17 alkenyl imidazoline 2-3, ceresine 3-4, Phenylethanolamine 1-2, film coalescence aid 3-5, carbonic acid dicyclohexyl amine 1-2, chromic acid tert-butyl 2-3;

Described film coalescence aid is made up of the raw material of following weight parts:

Chloroprene rubber CR121 50-60, eva resin 20-30, dimethylbenzene 30-40, polyvinyl alcohol 8-10, hydroxyethyl ethylene bis stearamide 1-2,2-n-octyl-4-isothiazoline-3-ketone 3-4, methyl benzotriazazole 2-3, Union carbide A-162 1-2, dodecyl Soxylat A 25-7 2-3, dicumyl peroxide 1-2,2,5-dimethyl-2,5-two (tert-butyl hydroperoxide) hexane 0.8-1;

The preparation of described film coalescence aid may further comprise the steps:

Above-mentioned chloroprene rubber CR121 is added in the Banbury mixer, is to plasticate separately under 70-80 ℃ 10-20 minute in temperature, and discharging is cooled to normal temperature then;

Above-mentioned eva resin, hydroxyethyl ethylene bis stearamide, 2-n-octyl-4-isothiazoline-3-ketone, methyl benzotriazazole, dodecyl Soxylat A 25-7 are mixed, reacted 1-2 hour down at 90-100 ℃, add the chloroprene rubber after above-mentioned the plasticating, reducing temperature is 80-90 ℃, continue reaction 40-50 minute, add each raw material of residue again, be 60-70 ℃ in temperature and reacted 4-5 hour down.

A kind of preparation method of polyester slushing oil may further comprise the steps:

(1) above-mentioned N32# machinery oil, 200SN base oil are joined in the reactor, stir, be heated to 110-120 ℃;

(2) add above-mentioned polyoxyethylene oleic acid ester, Polycizer W 260, heated and stirred;

(3) add above-mentioned dibutyl phthalate, Phenylethanolamine, continuously dehydrating 1-1.5 hour, cooling was as for 55-60 ℃;

(4) add above-mentioned chromic acid tert-butyl, ceresine, at 55-60 ℃ of following insulated and stirred 3-4 hour;

(5) add each raw material of residue, fully stir, reduce temperature to 35-38 ℃, filter discharging.

Advantage of the present invention is:

The slushing oil that the present invention produces is not easy to change; be difficult for oxidation, do not influence the outward appearance of workpiece, excellent combination property; have high salt fog resistance, humidity resistance, ageing resistance etc.; performance capable of washing is good, by the film coalescence aid that adds, has improved the surface tension of oil film; make spraying evenly; good in metal works surface spreading performance, the oil film of formation is uniform and stable, has improved the provide protection that metal is kept.

Embodiment

Embodiment 1

A kind of polyester slushing oil, it is made up of the raw material of following weight parts (kilogram):

N32# machinery oil 45,200SN base oil 35, polyoxyethylene oleic acid ester 5, dibutyl phthalate 4, Polycizer W 260 3,2-aminoethyl 17 alkenyl imidazolines 3, ceresine 4, Phenylethanolamine 2, film coalescence aid 5, carbonic acid dicyclohexyl amine 1, chromic acid tert-butyl 3;

Described film coalescence aid is made up of the raw material of following weight parts:

Chloroprene rubber CR121 60, eva resin (VA content 28) 30, dimethylbenzene 40, polyvinyl alcohol 10, hydroxyethyl ethylene bis stearamide 1,2-n-octyl-4-isothiazoline-3-ketone 4, methyl benzotriazazole 3, Union carbide A-162 2, dodecyl Soxylat A 25-7 3, dicumyl peroxide 2,2,5-dimethyl-2,5-two (tert-butyl hydroperoxide) hexane 0.8;

The preparation of described film coalescence aid may further comprise the steps:

Above-mentioned chloroprene rubber CR121 is added in the Banbury mixer, is to plasticate separately under 80 ℃ 20 minutes in temperature, and discharging is cooled to normal temperature then;

Above-mentioned eva resin, hydroxyethyl ethylene bis stearamide, 2-n-octyl-4-isothiazoline-3-ketone, methyl benzotriazazole, dodecyl Soxylat A 25-7 are mixed, reacted 2 hours down at 100 ℃, add the chloroprene rubber after above-mentioned the plasticating, reducing temperature is 90 ℃, continue reaction 50 minutes, add each raw material of residue again, be 70 ℃ in temperature and reacted 5 hours down.

A kind of preparation method of polyester slushing oil may further comprise the steps:

(1) above-mentioned N32# machinery oil, 200SN base oil are joined in the reactor, stir, be heated to 120 ℃;

(2) add above-mentioned polyoxyethylene oleic acid ester, Polycizer W 260, heated and stirred;

(3) add above-mentioned dibutyl phthalate, Phenylethanolamine, continuously dehydrating 1.5 hours, cooling is as for 60 ℃;

(4) add above-mentioned chromic acid tert-butyl, ceresine, 60 ℃ of following insulated and stirred 4 hours;

(5) add each raw material of residue, fully stir, reduce temperature to 38 ℃, filter discharging.

Performance test:

Apparent: nothing precipitation, no layering, no crystallisate are separated out;

Salt spray resistance experiment: 36 ℃, 170 hours, do not have corrosion;

Moisture-proof heat experiment: 50 ℃, 700 hours, do not have corrosion;

The weathering resistance experiment: the experiment workpiece is 100 blocks of 45# steel, size is 200mm*200mm*10mm, the surface non-corroding, wherein 50 workpiece are used traditional slushing oil, and 50 workpiece are used slushing oil of the present invention, as for same indoor, experimental period 2 years, after tested, use the workpiece corrosion degree of slushing oil of the present invention the highest be 2.1%, what extent of corrosion was minimum is 1.3%, and average corrosion rate is 1.62%; Use the workpiece corrosion degree of traditional slushing oil the highest be 4.8%, what extent of corrosion was minimum is 4.0%, average corrosion rate is 4.38%.

Claims (2)

1. polyester slushing oil is characterized in that what it was made up of the raw material of following weight parts:

N32# machinery oil 40-45,200SN base oil 25-35, polyoxyethylene oleic acid ester 4-5, dibutyl phthalate 2-4, Polycizer W 260 2-3,2-aminoethyl 17 alkenyl imidazoline 2-3, ceresine 3-4, Phenylethanolamine 1-2, film coalescence aid 3-5, carbonic acid dicyclohexyl amine 1-2, chromic acid tert-butyl 2-3;

Described film coalescence aid is made up of the raw material of following weight parts:

Chloroprene rubber CR121 50-60, eva resin 20-30, dimethylbenzene 30-40, polyvinyl alcohol 8-10, hydroxyethyl ethylene bis stearamide 1-2,2-n-octyl-4-isothiazoline-3-ketone 3-4, methyl benzotriazazole 2-3, Union carbide A-162 1-2, dodecyl Soxylat A 25-7 2-3, dicumyl peroxide 1-2,2,5-dimethyl-2,5-two (tert-butyl hydroperoxide) hexane 0.8-1;

The preparation of described film coalescence aid may further comprise the steps:

Above-mentioned chloroprene rubber CR121 is added in the Banbury mixer, is to plasticate separately under 70-80 ℃ 10-20 minute in temperature, and discharging is cooled to normal temperature then;

Above-mentioned eva resin, hydroxyethyl ethylene bis stearamide, 2-n-octyl-4-isothiazoline-3-ketone, methyl benzotriazazole, dodecyl Soxylat A 25-7 are mixed, reacted 1-2 hour down at 90-100 ℃, add the chloroprene rubber after above-mentioned the plasticating, reducing temperature is 80-90 ℃, continue reaction 40-50 minute, add each raw material of residue again, be 60-70 ℃ in temperature and reacted 4-5 hour down.

2. the preparation method of a polyester slushing oil as claimed in claim 1 is characterized in that may further comprise the steps:

(1) above-mentioned N32# machinery oil, 200SN base oil are joined in the reactor, stir, be heated to 110-120 ℃;

(2) add above-mentioned polyoxyethylene oleic acid ester, Polycizer W 260, heated and stirred;

(3) add above-mentioned dibutyl phthalate, Phenylethanolamine, continuously dehydrating 1-1.5 hour, cooling was as for 55-60 ℃;

(4) add above-mentioned chromic acid tert-butyl, ceresine, at 55-60 ℃ of following insulated and stirred 3-4 hour;

(5) add each raw material of residue, fully stir, reduce temperature to 35-38 ℃, filter discharging.