CN1995113A - Modified gas phase antirust agent, its preparation method and plastic film containing same - Google Patents
Modified gas phase antirust agent, its preparation method and plastic film containing same Download PDFInfo
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- CN1995113A CN1995113A CNA2006101183096A CN200610118309A CN1995113A CN 1995113 A CN1995113 A CN 1995113A CN A2006101183096 A CNA2006101183096 A CN A2006101183096A CN 200610118309 A CN200610118309 A CN 200610118309A CN 1995113 A CN1995113 A CN 1995113A
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Abstract
The invention discloses a modified gas-phase antirust agent, making method and plastic film with modified gas-phase antirust agent, which is characterized by the following: modifying gas-phase antirust agent through inorganic porous carrier; utilizing mould effect of inorganic porous carrier to adjust molecular structure and aggregation state; improving high temperature property; reducing grain size.
Description
Technical field
The present invention relates to a kind of rust-preventive agent that prevents, delays metallic corrosion, the plastics film that relates to the preparation method of a kind of vapor phase inhibitor, vapor phase inhibitor in particular and have the volatile rust prevention performance.
Background technology
Vapor phase inhibitor (volatile corrosion inhibitor, be called for short VCI), be a kind of gas adsorption that can volatilize automatically at normal temperatures at metallic surface, thereby prevent the protection against corrosion chemical of metallic corrosion.That vapor phase inhibitor has is easy to use, clean, the characteristics of cleaning, has become an important directions that prevents the atomospheric corrosion technical development, is widely used at present in the antirust management of industrial equipments.
Gas-phase antirusting plastic film (Volatile Corrosion Inhibitor Film, be called for short VCIF) be a kind of reasonable gas-phase rustproof packaging material that developed recently gets up, be vapor phase inhibitor is added in the plastics film in some way to form the protection against corrosion wrapping material.There has been the volatile rust prevention plastic master batch to sell abroad, can produce the volatile rust prevention plastic packaging bag, or directly be injection molded into the volatile rust prevention plastic packaging containers of different shape, and not only can simplify the packing link, can also bring into play the advantages such as the transparency, thermoplasticity and resistance to air loss of plastic containers.But because the plastic working condition generally is between 150 ℃～195 ℃, and the stable temperature range of conventional gas-phase rust-preventive agent commonly used is many below 100 ℃, the higher inhibiter volatile rust prevention effect of minority processing temperature is undesirable, therefore, screening has than high processing temperature and vapor phase inhibitor with good volatile rust prevention performance just becomes one of gordian technique.Simultaneously, again because the vapor phase inhibitor granularity is bigger, for reduce influence as far as possible to the inherent physicals of plastics film, satisfy the appearance requirement of plastics film, need that vapor phase inhibitor is carried out granularity and handle, promptly it is carried out micronizing, also will prevent to bring into moisture simultaneously.
Summary of the invention
First technical problem to be solved by this invention provides vapor phase inhibitor of a kind of modification and preparation method thereof, molecular structure and state of aggregation by the regulation and control vapor phase inhibitor, improve the high-temperature behavior of rust-preventive agent, reduce its granularity, reach the purpose that improves rust-preventive agent volatile performance and gas phase antirust ability.Another technical problem to be solved by this invention provides a kind of plastics film that contains above-mentioned modification vapor phase inhibitor.
The technical solution used in the present invention: a kind of modification vapor phase inhibitor, component comprises: vapor phase inhibitor and inorganic porous carrier, wherein the mass ratio of vapor phase inhibitor and inorganic porous carrier is 4～20: 1, described vapor phase inhibitor is selected from quadrol, hexanediamine, hexahydroaniline, dicyclohexyl amine, Diisopropylamine, benzylamine, monoethanolamine, diethanolamine, trolamine, n-Butyl Amine 99, Tributylamine, amylamine, stearylamine, diethylenetriamine, triethylene tetramine, tetraethylene pentamine, hexamethylenetetramine (urotropine), morpholine, piperidines, piperazine or phosphoric acid, nitrous acid, phenylformic acid, benzoic acid derivative, styracin, sad, capric acid, lauric acid, Succinic Acid or benzotriazole, benzothiazole one of them, described inorganic porous carrier is selected from silica gel, alchlor, diatomite, zeolite molecular sieve, polynite, recessed soil one of them.
Described benzoic acid derivative be selected from nitrobenzoic acid, cresotinic acid, Whitfield's ointment, tert-butylbenzene formic acid one of them.
The component of modification vapor phase inhibitor also includes auxiliary agent, described auxiliary agent be selected from dibutyl phthalate (DBP), polyvinyl alcohol, Ployethylene Wax one of them.
The preparation method of modification vapor phase inhibitor: vapor phase inhibitor is selected from quadrol, hexanediamine, hexahydroaniline, dicyclohexyl amine, Diisopropylamine, benzylamine, monoethanolamine, diethanolamine, trolamine, n-Butyl Amine 99, Tributylamine, amylamine, stearylamine, diethylenetriamine, triethylene tetramine, tetraethylene pentamine, hexamethylenetetramine (urotropine), morpholine, piperidines, piperazine or phosphoric acid, nitrous acid, phenylformic acid, benzoic acid derivative, styracin, sad, capric acid, lauric acid, Succinic Acid or benzotriazole, benzothiazole one of them, inorganic porous carrier is selected from silica gel, alchlor, diatomite, zeolite molecular sieve, polynite, recessed soil one of them, the mass ratio of vapor phase inhibitor and inorganic porous carrier is 4～20: 1, each component is directly mixed to stir evenly obtaining described modification vapor phase inhibitor.
The preparation method of modification vapor phase inhibitor: vapor phase inhibitor is selected from quadrol, hexanediamine, hexahydroaniline, dicyclohexyl amine, Diisopropylamine, benzylamine, monoethanolamine, diethanolamine, trolamine, n-Butyl Amine 99, Tributylamine, amylamine, stearylamine, diethylenetriamine, triethylene tetramine, tetraethylene pentamine, hexamethylenetetramine (urotropine), morpholine, piperidines, piperazine or phosphoric acid, nitrous acid, phenylformic acid, benzoic acid derivative, styracin, sad, capric acid, lauric acid, Succinic Acid or benzotriazole, benzothiazole one of them, inorganic porous carrier is selected from silica gel, alchlor, diatomite, zeolite molecular sieve, polynite, recessed soil one of them, the mass ratio of vapor phase inhibitor and inorganic porous carrier is 4～20: 1, with the vapor phase inhibitor wiring solution-forming, mix with inorganic porous carrier then, final evaporation removes to desolvate and obtains described modification vapor phase inhibitor.
The preparation method of modification vapor phase inhibitor: vapor phase inhibitor is selected from quadrol, hexanediamine, hexahydroaniline, dicyclohexyl amine, Diisopropylamine, benzylamine, monoethanolamine, diethanolamine, trolamine, n-Butyl Amine 99, Tributylamine, amylamine, stearylamine, diethylenetriamine, triethylene tetramine, tetraethylene pentamine, hexamethylenetetramine (urotropine), morpholine, piperidines, piperazine or phosphoric acid, nitrous acid, phenylformic acid, benzoic acid derivative, styracin, sad, capric acid, lauric acid, Succinic Acid or benzotriazole, benzothiazole one of them, inorganic porous carrier is selected from silica gel, alchlor, diatomite, zeolite molecular sieve, polynite, recessed soil one of them, the mass ratio of vapor phase inhibitor and inorganic porous carrier is 4～20: 1, inorganic porous carrier is added the water activation, mix with vapor phase inhibitor then, final evaporation removes to desolvate and obtains described modification vapor phase inhibitor.
The plastics film that contains described modification vapor phase inhibitor, be that 40 parts of described modification vapor phase inhibitors (mass fraction) are mixed with 70 parts of high-pressure polyethylenees (massfraction), be processed into the VCI master batch, employing has the extrusion machine to the twin screw that changes, screw rod revolution with 65～80 commentaries on classics/min, under 150 ℃ of left and right sides temperature, push, make granular then by chill mould, behind the high pressure polyethylene particle thorough mixing with 3 parts of (mass fraction) VCI master batches and 97 parts (mass fractions), under the temperature about 175 ℃, with the screw rod revolution of 80～85 commentaries on classics/min,, make the plastics film that average bed thickness is a described modification vapor phase inhibitor of containing of 80 μ m by the blowing extrusion process.
Beneficial effect of the present invention: the present invention adopts porous inorganic carrier that vapor phase inhibitor is carried out modification, utilize the template effect of porous inorganic carrier, the molecular structure and the state of aggregation of regulation and control vapor phase inhibitor, improved the high-temperature behavior of rust-preventive agent, reduce its granularity, reach the purpose that improves rust-preventive agent volatile performance and gas phase antirust ability.The present invention directly adopts the natural inorganic porous support that vapor phase inhibitor is carried out modification, and the volatile rust preventive material cost of making is low, favorable rust preventing effect.The average bed thickness of plastics film that contains described modification vapor phase inhibitor is 80 μ m, adopts GB/T 19532-2004 gas-phase antirusting plastic film standard that above-mentioned film is estimated, and is qualified.
Description of drawings
Fig. 1 is that carbon steel electrode soaks 30 minutes polarization curve in simulation atomospheric corrosion water.
Embodiment
Below by embodiment the present invention is described in further detail: a kind of modification vapor phase inhibitor, component comprises: vapor phase inhibitor and inorganic porous carrier, wherein the mass ratio of vapor phase inhibitor and inorganic porous carrier is 4～20: 1, described vapor phase inhibitor is selected from quadrol, hexanediamine, hexahydroaniline, dicyclohexyl amine, Diisopropylamine, benzylamine, monoethanolamine, diethanolamine, trolamine, n-Butyl Amine 99, Tributylamine, amylamine, stearylamine, diethylenetriamine, triethylene tetramine, tetraethylene pentamine, hexamethylenetetramine (urotropine), morpholine, piperidines, piperazine or phosphoric acid, nitrous acid, phenylformic acid, benzoic acid derivative, styracin, sad, capric acid, lauric acid, Succinic Acid or benzotriazole, benzothiazole one of them, described inorganic porous carrier is selected from silica gel, alchlor, diatomite, zeolite molecular sieve, polynite, recessed soil one of them.Described benzoic acid derivative be selected from nitrobenzoic acid, cresotinic acid, Whitfield's ointment, tert-butylbenzene formic acid one of them.The component of modification vapor phase inhibitor also includes auxiliary agent, described auxiliary agent be selected from dibutyl phthalate (DBP), polyvinyl alcohol, Ployethylene Wax one of them.
The preparation method of modification vapor phase inhibitor: vapor phase inhibitor is selected from quadrol, hexanediamine, hexahydroaniline, dicyclohexyl amine, Diisopropylamine, benzylamine, monoethanolamine, diethanolamine, trolamine, n-Butyl Amine 99, Tributylamine, amylamine, stearylamine, diethylenetriamine, triethylene tetramine, tetraethylene pentamine, hexamethylenetetramine (urotropine), morpholine, piperidines, piperazine or phosphoric acid, nitrous acid, phenylformic acid, benzoic acid derivative, styracin, sad, capric acid, lauric acid, Succinic Acid or benzotriazole, benzothiazole one of them, inorganic porous carrier is selected from silica gel, alchlor, diatomite, zeolite molecular sieve, polynite, recessed soil one of them, the mass ratio of vapor phase inhibitor and inorganic porous carrier is 4～20: 1, each component is directly mixed to stir evenly obtaining described modification vapor phase inhibitor; With the vapor phase inhibitor wiring solution-forming, mix with inorganic porous carrier then, final evaporation removes to desolvate and obtains described modification vapor phase inhibitor; Inorganic porous carrier is added the water activation, mix with vapor phase inhibitor then, final evaporation removes to desolvate and obtains described modification vapor phase inhibitor.
The plastics film that contains described modification vapor phase inhibitor, be that 40 parts of described modification vapor phase inhibitors (mass fraction) are mixed with 70 parts of high-pressure polyethylenees (massfraction), be processed into the VCI master batch, employing has the extrusion machine to the twin screw that changes, screw rod revolution with 65～80 commentaries on classics/min, under 150 ℃ of left and right sides temperature, push, make granular then by chill mould, behind the high pressure polyethylene particle thorough mixing with 3 parts of (mass fraction) VCI master batches and 97 parts (mass fractions), under the temperature about 175 ℃, with the screw rod revolution of 80～85 commentaries on classics/min,, make the plastics film that average bed thickness is a described modification vapor phase inhibitor of containing of 80 μ m by the blowing extrusion process.
Below, by specific embodiment, describe the present invention in detail.Yet, mandatory declaration be organic amine and its esters vapour-phase inhibitor, the preparation feedback of organic acid and its esters vapour-phase inhibitor all is based on the salifiable reaction of soda acid, so the vapor phase inhibitor of not mentioning in the example all can carry out modification by following similar method, so the present invention is not limited to these specific embodiments.
Embodiment 1
Take by weighing polynite 5g and be scattered in the 100g deionized water, stirring to pulp is about to the polynite activation, after stirring 24 hours, leaves standstill 2～5min, the sediment that inclines, and it is standby to get upper strata suspension.In above-mentioned montmorillonite suspension liquid, add vapour-phase inhibitor phenylformic acid dicyclohexyl amine 50g, stir and be heated and evaporate moisture and obtain pale powder, Here it is modified gas phase corrosion inhibitor 1.
Embodiment 2
Take by weighing polynite 7g and be dispersed in the 100g deionized water, after stirring 24 hours, leave standstill 2-5min, the sediment that inclines, it is standby to get upper strata suspension.In above-mentioned montmorillonite suspension liquid, add vapour-phase inhibitor phenylformic acid morpholine 50g, stir and be heated and evaporate moisture and obtain pale powder, Here it is modified gas phase corrosion inhibitor 2.
Embodiment 3
Porphyrize is dried in polynite, cross 200 mesh sieves, take by weighing 5g, take by weighing morpholine phenylformic acid 90g then, both are mixed, can get modified gas phase corrosion inhibitor 3.
Embodiment 4
The styracin morpholine of 50g and the benzotriazole of 5g are dissolved in the deionized water of 200ml, stirring heating, form clear solution, then 5g is crossed the polynite powder of 200 mesh sieves, add in the above-mentioned solution, stirred 24 hours, and heated and evaporate moisture and obtain pale powder, Here it is modified gas phase corrosion inhibitor 4.
Embodiment 5
Phenylformic acid trolamine with 50g is dissolved in the ethanol, then 5g is crossed the polynite powder of 200 mesh sieves, adds in the above-mentioned solution, stirs 24 hours, heats and evaporates ethanol and obtain pale powder, Here it is modified gas phase corrosion inhibitor 5.
Embodiment 6
To preparation embodiment 1,2,3,4,5 gained target products carry out volatile rust prevention differentiation test: will fill the weighing bottle that changes 1g modified gas phase corrosion inhibitor and place Erlenmeyer flask, hang two of the Q235 steel of 50mm * 25mm * 2mm respectively, a slice does not add inhibiter and contrasts, the saturated 2h. of constant temperature injects the distilled water of 15ml then with transfer pipet in 50 ℃ of baking ovens, be stored in and keep 50 ℃ of temperature in the thermostat container, heat 8h every day, every 24h is an one-period, observe every day 1 time, carry out 7 periodic tests altogether, volatile rust prevention differentiation test-results sees Table 1.
Table 1
| Test piece | Experimental period | ||||
| Inhibiter 1 | Inhibiter 2 | Inhibiter 3 | Inhibiter 4 | Inhibiter 5 | |
| Carbon steel | 7 cycles | 7 cycles | 7 cycles | 7 cycles | 7 cycles |
Corrosion does not take place in the modified gas phase corrosion inhibitor of the present invention's preparation in 7 cycles.
Embodiment 7
To preparation embodiment 1,2,3,4,5 gained target products carry out vapor inhibitability test: the good test piece concave surface of will polishing is pressed in No. 9 soft rubber balls, test is showed out part and is no more than 3mm, the dehydrated alcohol degreasing of test piece test face after press-fiting, hot blast drying, experimental installation is with reference to Machinery Ministry standard JB/T6071-92.Inject 35% aqueous glycerin solution 10ml in the wide-necked bottle of 1000ml bottom, adjusting relative humidity is 90%, is even spreading 0.5g vapour-phase inhibitor in the vessel of 40 ± 2mm at diameter; Testing apparatus placed under 20 ± 2 ℃ the temperature, in aluminum pipe, fill with temperature behind the 20h and be 2.0 ± 0.5 ℃ frozen water, keep down pouring out behind the 3h at 20 ± 2 ℃ again, take off the cotton sample of cleaning of paper, dry up the back and check that there is non-corroding on the test piece surface with what be soaked with dehydrated alcohol.The result shows that the modified gas phase corrosion inhibitor that the present invention prepares can make metal testing plate that corrosion does not take place.
Embodiment 8
Preparation embodiment 1 gained target product is carried out the vapour-phase inhibitor volatile loss test of modification front and back.Vapour-phase inhibitor is used in enclosed space or semi closed space mostly, should have certain saturated vapor pressure, guarantee that there is certain density vapour-phase inhibitor in the space under the certain temperature condition, can be adsorbed onto the metallic surface and play rust inhibition, the vapour-phase inhibitor that vapour pressure is big can volatilize fast and be adsorbed onto the metallic surface and restrain corrosion process in advance in general, and the vapour-phase inhibitor that vapour pressure is little then has persistent rust-proof effect.(under the normal temperature 0.133～0.013Pa), use general instrument to be difficult for measurement but usually the vapour pressure of vapour-phase inhibitor is very little.The gasification performance that compares vapour-phase inhibitor by the volatile loss test indirectly.Preparation embodiment 1 gained target product is carried out the vapour-phase inhibitor volatile loss test of modification front and back: the vapour-phase inhibitor of weighing 0.5g places 5cm diameter surface ware, evenly spread out, the baking oven of putting into 50 ℃ heats 72h continuously, and every 24h weighing once, calculate rate of weight loss, the results are shown in Table 2.The volatilization weight-loss ratio of vapour-phase inhibitor in 72 hours is to reduce gradually along with the prolongation of time, and this is owing to the concentration that reaches capacity gradually of vapour-phase inhibitor in enclosed space causes evaporation rate to slow down.From experimental result, the initial volatile weight loss rate of the vapour-phase inhibitor after imvite modified is obviously greater than the vapour-phase inhibitor that there is not modification, this shows organic imvite modified vapour-phase inhibitor, can increase the volatilization ability of vapour-phase inhibitor, thereby influences the application performance of vapour-phase inhibitor.
The volatilization weight-loss ratio of different periods of table 2 enclosed space
| Time | First day | Second day | The 3rd day |
| Modified gas phase corrosion inhibitor 1 weight-loss ratio (%) | 1.5 | ?2.0 | ?2.5 |
| Do not have modified gas phase corrosion inhibitor 1 weight-loss ratio (%) | 1 | ?1.5 | ?2.0 |
Embodiment 8
Preparation embodiment 1 gained target product being carried out the electrochemical tests of the carbon steel electrode of modification front and back vapour-phase inhibitor in simulation atomospheric corrosion solution measures.Electrochemical tests is measured and is carried out on three-electrode system, and saturated calomel electrode is a reference electrode, and Pt is a supporting electrode, and carbon steel electrode is a work electricity electrode, adopts simulation atomospheric corrosion water (0.1g/L NaCl, 0.1g/L NaHCO
3, 0.1g/LNa
2SO
4) be supporting electrolyte.Surveying instrument is the CHI660B electrochemical workstation of Shanghai occasion China instrument company, and sweep limit is-1200
-+ 400mv, sweep velocity is 2mV/s.Use the epoxy encapsulation carbon steel electrode, exposed area is 1cm
2, abrasive paper for metallograph is polished step by step, the alcohol degreasing, and deionized water rinsing is clean.Given current potential is the current potential with respect to saturated calomel electrode (SCE), the results are shown in Figure 1, and carbon steel electrode soaks 30 minutes polarization curve (1-blank in simulation atomospheric corrosion water; 2-does not have the inhibiter 1 of modification; The inhibiter 1 of 3-modification).Fig. 1 shows: do not have the negative electrode and the anode electrochemical process of 1 pair of carbon steel electrode of inhibiter of modification that restraining effect is all arranged, and comparatively speaking bigger for the restraining effect of anode electrochemical process.The inhibiter 1 of modification has further increased the anode of counter electrode and the restraining effect of electrochemical cathode process, and this shows that vapour-phase inhibitor 1 can improve corrosion inhibition through imvite modified.
Embodiment 9
The modification inhibiter 1 of 40 parts (mass fractions) mixes with the high-pressure polyethylene commonly used of 70 parts (mass fractions) (LD PE) and is processed into the VCI master batch, employing has the extrusion machine to the twin screw that changes, screw rod revolution with 65～80 commentaries on classics/min, under about 150 ℃ of left and right sides temperature, push, make granular then by chill mould.This VCI master batch of making.Behind the LD PE particle thorough mixing with 3% (mass percent) VCI master batch and 97% (mass percent), under the temperature about 175 ℃, with the screw rod revolution of 80～85 commentaries on classics/min,, make and have the VCI film that average bed thickness is 80 μ m by the blowing extrusion process.Adopt GB/T 19532-2004 gas-phase antirusting plastic film standard that above-mentioned film is estimated, qualified.
Claims (9)
1. modification vapor phase inhibitor, component comprises: vapor phase inhibitor and inorganic porous carrier, wherein the mass ratio of vapor phase inhibitor and inorganic porous carrier is 4～20: 1, described vapor phase inhibitor is selected from organic amine and its esters, or acid and its esters, or benzotriazole, benzothiazole, imidazoles and derivative thereof, described inorganic porous carrier be selected from silica gel, alchlor, diatomite, zeolite molecular sieve, polynite, recessed soil one of them.
2. modification vapor phase inhibitor according to claim 1 is characterized in that described organic amine is selected from quadrol, hexanediamine, hexahydroaniline, dicyclohexyl amine, Diisopropylamine, benzylamine, monoethanolamine, diethanolamine, trolamine, n-Butyl Amine 99, Tributylamine, amylamine, stearylamine, diethylenetriamine, triethylene tetramine, tetraethylene pentamine, hexamethylenetetramine (urotropine), morpholine, piperidines, piperazine.
3. modification vapor phase inhibitor according to claim 1 is characterized in that described acid is selected from nitrous acid, phenylformic acid, benzoic acid derivative, styracin, sad, capric acid, lauric acid, Succinic Acid.
4. modification vapor phase inhibitor according to claim 3, it is characterized in that described benzoic acid derivative be selected from nitrobenzoic acid, cresotinic acid, Whitfield's ointment, tert-butylbenzene formic acid one of them.
5. according to claim 1,2,3 or 4 one of them described modification vapor phase inhibitor, what it is characterized in that the modification vapor phase inhibitor also includes auxiliary agent, described auxiliary agent be selected from dibutyl phthalate (DBP), polyvinyl alcohol, Ployethylene Wax one of them.
6. the preparation method of the described modification vapor phase inhibitor of claim 1: vapor phase inhibitor is selected from quadrol, hexanediamine, hexahydroaniline, dicyclohexyl amine, Diisopropylamine, benzylamine, monoethanolamine, diethanolamine, trolamine, n-Butyl Amine 99, Tributylamine, amylamine, stearylamine, diethylenetriamine, triethylene tetramine, tetraethylene pentamine, hexamethylenetetramine (urotropine), morpholine, piperidines, piperazine or nitrous acid, phenylformic acid, benzoic acid derivative, styracin, sad, capric acid, lauric acid, Succinic Acid or benzotriazole, benzothiazole one of them, inorganic porous carrier is selected from silica gel, alchlor, diatomite, zeolite molecular sieve, polynite, recessed soil one of them, the mass ratio of vapor phase inhibitor and inorganic porous carrier is 4～20: 1, each component is directly mixed to stir evenly obtaining described modification vapor phase inhibitor.
7. the preparation method of the described modification vapor phase inhibitor of claim 1: vapor phase inhibitor is selected from quadrol, hexanediamine, hexahydroaniline, dicyclohexyl amine, Diisopropylamine, benzylamine, monoethanolamine, diethanolamine, trolamine, n-Butyl Amine 99, Tributylamine, amylamine, stearylamine, diethylenetriamine, triethylene tetramine, tetraethylene pentamine, hexamethylenetetramine (urotropine), morpholine, piperidines, piperazine or phosphoric acid, nitrous acid, phenylformic acid, benzoic acid derivative, styracin, sad, capric acid, lauric acid, Succinic Acid or benzotriazole, benzothiazole one of them, inorganic porous carrier is selected from silica gel, alchlor, diatomite, zeolite molecular sieve, polynite, recessed soil one of them, the mass ratio of vapor phase inhibitor and inorganic porous carrier is 4～20: 1, with the vapor phase inhibitor wiring solution-forming, mix with inorganic porous carrier then, final evaporation removes to desolvate and obtains described modification vapor phase inhibitor.
8. the preparation method of the described modification vapor phase inhibitor of claim 1: vapor phase inhibitor is selected from quadrol, hexanediamine, hexahydroaniline, dicyclohexyl amine, Diisopropylamine, benzylamine, monoethanolamine, diethanolamine, trolamine, n-Butyl Amine 99, Tributylamine, amylamine, stearylamine, diethylenetriamine, triethylene tetramine, tetraethylene pentamine, hexamethylenetetramine (urotropine), morpholine, piperidines, piperazine or phosphoric acid, nitrous acid, phenylformic acid, benzoic acid derivative, styracin, sad, capric acid, lauric acid, Succinic Acid or benzotriazole, benzothiazole one of them, inorganic porous carrier is selected from silica gel, alchlor, diatomite, zeolite molecular sieve, polynite, recessed soil one of them, the mass ratio of vapor phase inhibitor and inorganic porous carrier is 4～20: 1, inorganic porous carrier is added the water activation, mix with vapor phase inhibitor then, final evaporation removes to desolvate and obtains described modification vapor phase inhibitor.
9. the plastics film that contains one of them described modification vapor phase inhibitor of claim 1～5, be that 40 parts of described modification vapor phase inhibitors (mass fraction) are mixed with 70 parts of high-pressure polyethylenees (massfraction), be processed into the VCI master batch, employing has the extrusion machine to the twin screw that changes, screw rod revolution with 65～80 commentaries on classics/min, under 150 ℃ of left and right sides temperature, push, make granular then by chill mould, behind the high pressure polyethylene particle thorough mixing with 3 parts of (mass fraction) VCI master batches and 97 parts (mass fractions), under the temperature about 175 ℃, screw rod revolution with 80～85 commentaries on classics/min, by the blowing extrusion process, make the plastics film that average bed thickness is a described modification vapor phase inhibitor of containing of 80 μ m.
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2006
- 2006-11-13 CN CNA2006101183096A patent/CN1995113A/en active Pending
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