CN100383337C - Preparation method of paper cushion for protecting stainless steel - Google Patents
Preparation method of paper cushion for protecting stainless steel Download PDFInfo
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- CN100383337C CN100383337C CNB200610032682XA CN200610032682A CN100383337C CN 100383337 C CN100383337 C CN 100383337C CN B200610032682X A CNB200610032682X A CN B200610032682XA CN 200610032682 A CN200610032682 A CN 200610032682A CN 100383337 C CN100383337 C CN 100383337C
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Abstract
The present invention discloses a preparing method of packing paper for protecting stainless steel, which has the steps that non-ionic reinforcing agents are added in paper pulp, raw paper is prepared on a long net multi-cylinder paper machine, and press is light; high polymers with high glass temperature is compounded on the back surface of a paper base; after added with silicon porous adsorbing material, polyacrylic acid salt dispersant agents and modified high molecular film forming agents, 20 to 30 portions of morpholine unit oligomerization type vapor phase inhibitor corrosion inhibitors, 5 to 10 portions of dimethylpiperazine, 5 to 10 portions of sodium tungstate, 0.001 to 0.01 portion of lake blue dye and 50 to 70 portions of deionized water preparing corrosion inhibitors are spread on the surface of the paper base; after dried by hot air and polished through pressure, paper is rolled and cut. The present invention adopts high clean paper preparing technology, selects high polymers with high glass temperature, enhances the mechanical strength and the air tightness of the paper base and simultaneously has the functions of moisture prevention and leakage prevention. The present invention spreads suspension liquid of metal corrosion inhibitors on the surface of the material of the paper base, so that the time of corrosion prevention is as long as 5 to 10 years.
Description
Technical field
The present invention relates to the liner and the antirust technology field of stainless steel, specifically be meant a kind of preparation method of paper cushion for protecting stainless steel.
Background technology
In order to adapt to the requirement of various metallic article processing, stainless steel is processed into sheet material, net material and wire rod etc. usually, and in the steel billet forming process (as rolling), for making between the steel plate or avoiding friction between the finished product and oxidation, usually need to use gasket material, play the wearing and tearing and the corrosion that prevent surface of steel plate or finishing room.Anti-tarnish paper prevents that as a kind of metal material and goods thereof from denuding, the functional fender paper of burn into corrosion, is widely used in the long-term preservation and packaging aspect of the Ordnance Store in the war industry at first.Such as firearms, cylinder, cannon, tank, naval vessel accessory, radio radar equipment, aircraft engine etc., expanded to automobile, tractor, lathe, motor, bearing, measurer, cutter, metal hardware ﹠ tools afterwards, so knife blade, sewing-needle, watch elements etc.Enter after the eighties in last century, cold bundle, cold-drawn thin plate band, hot bundle, tubing, the wire rod in the metallurgical industry product all adopted anti-tarnish paper as inner packaging material in succession both at home and abroad, promoted the development that rust prevention packaging paper is produced.Particularly in recent years, along with development and national economy, all trades and professions were increasing to the demand of steel, and the corrosion difficult problem of ferrous materials in production, transportation, storage and process also exceed and add outstandingly, and economic loss is very big.Therefore, the demand to the special warfare paper cushion for protecting of stainless steel special use on the market constantly increases, and market potential is big, and especially the demand of smelter is big.The stainless steel anti-tarnish paper is a kind of specialized package paper at antirust stainless steel, on suitable stainless steel material packing " paper substrate ", added " stainless steel rust enemy agent ", corrosion plays special prevention and safeguard function to stainless steel to make paper, stainless steel is being stored, avoid steam in the ambiance in transportation and the use, oxygen, acid, alkali, salt, influence with carbide, be applicable to stainless steel materials respectively, wire rod, the net material, on the rust prevention packaging of parts and utensil, can replace the widely used universal wrapping paper that prevents corrosion of metal at present, as gas type and touch type metal anti-tarnish paper.The stainless steel anti-tarnish paper is nontoxic pollution-free in process of production, but this paper do not have and make antifriction, the anti-oxidation function of stainless steel in process, and paper can not recycle.
Summary of the invention
Purpose of the present invention is exactly in order to solve above-mentioned the deficiencies in the prior art part, and a kind of preparation method of paper cushion for protecting stainless steel is provided.This packing paper can recycle, and the environmental pollution influence is very little, and processing cost is low.
The preparation method of a kind of paper cushion for protecting stainless steel of the present invention comprises the steps and process conditions:
The first step in paper pulp by mass percentage concentration 0.1～0.3% add the nonionic reinforcing agent, on fourdrinier wire multi-cylinder paper machine, carry out body paper and manufacture paper with pulp, squeezing is gently pressed;
Second step was adopted complex technique, and the high polymer of high glass transition temperature is compounded in the paper substrate back side, 250～340 ℃ of extruder temperatures, screw speed 50～79rpm, recombination line speed 60～80m/min, pressure roller pressure 0.392～0.686mPa, the quantitative 3～5g/m of composite membrane
2
The 3rd step is with following composition proportioning mixed preparing corrosion inhibiter by weight: 20～30 parts of morpholine unit oligomeric-type vapour phase inhibitors, 5～10 parts of lupetazins, 5～10 parts of sodium tungstates, 0.001～0.01 part of blue dyestuff in lake and 50～70 parts of deionized waters;
After the 4th step, concentration was added the modified high-molecular film forming agent of 2～3% silicon class porous adsorbing material, 0.2～0.3% polyacrylic acid dispersant and 0.8～1.7% by mass percentage in corrosion inhibiter, keep 30～60 ℃ of temperature, be coated on the paper substrate surface by curtain formula spraying machine, coating weight 3～5g/m
2
The 5th step will be batched, cut after paper heated-air drying, the press polish, promptly obtained described a kind of paper cushion for protecting stainless steel.
In order to realize the present invention better, described paper pulp carries out the making beating of half material in the holland type making beating, and series connection breaks into slurry in four double plate mills; Wherein, the beating consistency of beating half stuff is 3～4%, and beating degree is 16～18 ° of SR, and weight in wet base is 7～8g, and making beating back paper pulp fiber average length is 1.5～1.7mm, is 0.8mm more than 90% wherein, is no more than 5% below the 0.2mm; The beating consistency of pulping is 3.5～5.5%, and beating degree is 25～35 ° of SR, and weight in wet base is 5～6g, and making beating back paper pulp fiber average length is 1.2～1.4mm, is 0.8mm more than 80% wherein, is no more than 10% below the 0.2mm; Described nonionic reinforcing agent comprises polyacrylamide; The high polymer of described high glass transition temperature comprises PE (polyethylene) blend; Described morpholine unit oligomeric-type vapour phase inhibitor is formed by the Mannich prepared in reaction by morpholine unit, cyclohexane and normal butane; Described silicon class porous adsorbing material comprises colloid silicon, cigarette method silicon or nano-silicon; Described polyacrylic acid dispersant comprises Sodium Polyacrylate, poly amic acid or cation polypropylene acid fat; Described modified high-molecular film forming agent comprises shitosan, carboxymethyl cellulose, methylcellulose, hydroxypropyl cellulose or hydroxypropyl methylcellulose.
The present invention compared with prior art has following advantage and beneficial effect:
1, the present invention adopts " abrasive " to copy the paper technology, avoids paper to be subjected to the pollution of oxidizing anions such as chlorion, sulfate ion, improves anti-corrosion usefulness.In order to reduce the oxidation of ion, paper copy do not add in the sheet fill out, not applying glue, do not use back-pressure, slowly dry.
2, the present invention selects the high polymer of high glass transition temperature, utilizes extrusion technology and paper substrate compound, reinforces the paper substrate back side, improves the mechanical strength and the air-tightness of paper substrate greatly, has protection against the tide, leakproof effect simultaneously.High polymer high glass transition temperature characteristic can improve the temperature that polymer changes to elastomeric state from glassy state, in the technological temperature scope of waste paper recycling, helps separating of high polymer and paper substrate, can not impact waste paper recycling technology.
3, the present invention promptly introduces the active group more than 2 or 2 by the means of MOLECULE DESIGN in a molecule, utilizes the synergy of each active group, improves corrosion inhibiting ability greatly, and good with various carrier compatibilities.By the Mannich reaction morpholine, normal butane, cyclohexane molecule are linked up, synthesized the high performance low toxicity rust inhibitor that contains at least two activity units, the volatile rust prevention ability surpasses dicyclohexyl amine nitrite.Utilize low toxicity, the synergy of metal inhibitor efficiently; compositely go out eco-friendly, metal inhibitor suspension efficiently; be applied to the surface of paper base material; form the protective layer of tight obstruct air; make anti-corrosion for up to 5～10 years, and common volatile rust preventive paper has only the antirust ability that kept 2～3 years.
4, present, the extraordinary anti-tarnish paper of China is mainly based on foreign paper, in the majority with the U.S. and Japanese firm especially, and home products is based on common anti-tarnish paper.The present invention will fill up the homemade goods blank, and market prospects are wide.
The specific embodiment
Below in conjunction with embodiment, the present invention is done detailed description further.
Embodiment one
Raw material selection long fibered pulp (as kp softwood pulp etc.), the average length of fiber are between 1.5～2.0mm, and not chloride ion-containing, sulfate ion as far as possible in the slurry.
At first paper pulp is carried out half material making beating (because paper pulp fiber length is big, therefore will beat half stuff) in the holland type making beating, series connection breaks into slurry in four double plate mills; Wherein, the beating consistency of beating half stuff is 3～4%, and beating degree is 16～18 ° of SR, and weight in wet base is 7～8g, and making beating back paper pulp fiber average length is 1.5～1.7mm, is 0.8mm more than 90% wherein, is no more than 5% below the 0.2mm; The beating consistency of pulping is 3.5～5.5%, and beating degree is 25～35 ° of SR, and weight in wet base is 5～6g, and making beating back paper pulp fiber average length is 1.2～1.4mm, is 0.8mm more than 80% wherein, is no more than 10% below the 0.2mm.Pass through Mannich prepared in reaction morpholine unit oligomeric-type vapour phase inhibitor by morpholine unit, cyclohexane, normal butane.Implement following steps then:
The first step in paper pulp by mass percentage concentration 0.1% add polyacrylamide, carrying out body paper on the fourdrinier wire multi-cylinder paper machine more than the 1760mm manufactures paper with pulp, squeezing is light presses, join and do not add mineral filler in the stock tank, also do not add the rosin latex of WATER RESISTANCE, do not use back-pressure, infrared ray is slowly dry, in order to save packing cost, body paper hangs down quantitative 30～40g/m
2
Second step was adopted complex technique, and high polymer PE (polyethylene) blend of high glass transition temperature is compounded in the paper substrate back side, 250 ℃ of extruder temperatures, screw speed 50rpm, recombination line speed 60m/min, pressure roller pressure 0.392mPa, the quantitative 3g/m of composite membrane
2
The 3rd step is with following composition proportioning mixed preparing corrosion inhibiter by weight: 20 parts of morpholine unit oligomeric-type vapour phase inhibitors, 5 parts of lupetazins, 5 parts of sodium tungstates, 0.001 part of blue dyestuff in lake and 50 parts of deionized waters, 40～60 ℃ down insulation store;
After the 4th step, concentration was added 2% colloid silicon, 0.2% Sodium Polyacrylate, 0.8% shitosan by mass percentage in corrosion inhibiter, keep 30 ℃ of temperature, be coated on paper substrate surface, coating weight 3g/m by curtain formula spraying machine
2
The 5th step will be batched, cut after paper dryer, the press polish, can obtain described a kind of paper cushion for protecting stainless steel; Dry bridge-type heated-air drying and the cylinder dried of adopting, the hot-blast spray nozzle temperature is 130～150 ℃; Outer supercalender (11 roller) the single face press polish of machine, pressure 490kN/m are adopted in press polish; Cut the roll web (cutting) that can be cut into 787mm, 880mm according to customer requirement, the kraft wrapping packing, and stick trade mark.
The physical property of described paper cushion for protecting stainless steel detects:
| Quantitative g/ m 2 | Fracture length km | Folding strength is inferior | Smoothness s | Bursting strength kPa | Tearability mn.g.m -2 | Percentage elongation % |
| 35 | 8.8 | 512 | 309 | 210 | 160 | 35 |
The protecting stainless steel test:
Embodiment two
The first step in paper pulp by mass percentage concentration 0.2% add polyacrylamide, on fourdrinier wire multi-cylinder paper machine, carry out body paper and manufacture paper with pulp, squeezing is gently pressed;
Second step was adopted complex technique, and the high polymer PE of high glass transition temperature is compounded in the paper substrate back side, 300 ℃ of extruder temperatures, screw speed 65rpm, recombination line speed 70m/min, pressure roller pressure 0.392mPa, the quantitative 4g/m of composite membrane
2
The 3rd step is with following composition proportioning mixed preparing corrosion inhibiter by weight: 25 parts of morpholine unit oligomeric-type vapour phase inhibitors, 8 parts of lupetazins, 7 parts of sodium tungstates, 0.005 part of blue dyestuff in lake and 60 parts of deionized waters;
After the 4th step, concentration was added 2.5% cigarette method silicon, 0.25% poly amic acid, 1.2% carboxymethyl cellulose by mass percentage in corrosion inhibiter, keep 45 ℃ of temperature, be coated on paper substrate surface, coating weight 4g/m by curtain formula spraying machine
2
The 5th step will be batched, cut after paper dryer, the press polish, can obtain described a kind of paper cushion for protecting stainless steel.
Embodiment three
The first step in paper pulp by mass percentage concentration 0.3% add polyacrylamide, on fourdrinier wire multi-cylinder paper machine, carry out body paper and manufacture paper with pulp, squeezing is gently pressed;
Second step was adopted complex technique, and the high polymer PE of high glass transition temperature is compounded in the paper substrate back side, 340 ℃ of extruder temperatures, screw speed 79rpm, recombination line speed 80m/min, pressure roller pressure 0.686mPa, the quantitative 5g/m of composite membrane
2
The 3rd step is with following composition proportioning mixed preparing corrosion inhibiter by weight: 30 parts of morpholine unit oligomeric-type vapour phase inhibitors, 10 parts of lupetazins, 10 parts of sodium tungstates, 0.01 part of blue dyestuff in lake and 70 parts of deionized waters;
After the 4th step, concentration was added 3% nano-silicon, 0.3% cation polypropylene acid fat, 1.7% methylcellulose by mass percentage in corrosion inhibiter, keep 60 ℃ of temperature, be coated on paper substrate surface, coating weight 5g/m by curtain formula spraying machine
2
The 5th step will be batched, cut after paper dryer, the press polish, can obtain described a kind of paper cushion for protecting stainless steel.
Embodiment four
The modified high-molecular film forming agent is selected hydroxypropyl cellulose for use, and other condition is with embodiment one.
Embodiment five
The modified high-molecular film forming agent is selected hydroxypropyl methylcellulose for use, and other condition is with embodiment one.
As mentioned above, can realize the present invention preferably.
Claims (7)
1. the preparation method of a paper cushion for protecting stainless steel is characterized in that, comprises the steps and process conditions:
The first step in paper pulp by mass percentage concentration 0.1～0.3% add the nonionic reinforcing agent, on fourdrinier wire multi-cylinder paper machine, carry out body paper and manufacture paper with pulp, squeezing is gently pressed;
Second step was adopted complex technique, and the high polymer of high glass transition temperature is compounded in the paper substrate back side, 250～340 ℃ of extruder temperatures, screw speed 50～79rpm, recombination line speed 60～80m/min, pressure roller pressure 0.392～0.686mPa, the quantitative 3～5g/m of composite membrane
2
The 3rd step is with following composition proportioning mixed preparing corrosion inhibiter by weight: 20～30 parts of morpholine unit oligomeric-type vapour phase inhibitors, 5～10 parts of lupetazins, 5～10 parts of sodium tungstates, 0.001～0.01 part of blue dyestuff in lake and 50～70 parts of deionized waters;
After the 4th step, concentration was added the modified high-molecular film forming agent of 2～3% silicon class porous adsorbing material, 0.2～0.3% polyacrylic acid dispersant and 0.8～1.7% by mass percentage in corrosion inhibiter, keep 30～60 ℃ of temperature, be coated on the paper substrate surface by curtain formula spraying machine, coating weight 3～5g/m
2
The 5th step will be batched, cut after paper dryer, the press polish, promptly obtained described a kind of paper cushion for protecting stainless steel;
The high polymer of described high glass transition temperature comprises polyethylene blend.
2. according to the preparation method of the described a kind of paper cushion for protecting stainless steel of claim 1, it is characterized in that described paper pulp carries out the making beating of half material in the holland type making beating, series connection breaks into slurry in four double plate mills; Wherein, the beating consistency of beating half stuff is 3～4%, and beating degree is 16～18 ° of SR, and weight in wet base is 7～8g, and making beating back paper pulp fiber average length is 1.5～1.7mm, is 0.8mm more than 90% wherein, is no more than 5% below the 0.2mm; The beating consistency of pulping is 3.5～5.5%, and beating degree is 25～35 ° of SR, and weight in wet base is 5～6g, and making beating back paper pulp fiber average length is 1.2～1.4mm, is 0.8mm more than 80% wherein, is no more than 10% below the 0.2mm.
3. according to the preparation method of the described a kind of paper cushion for protecting stainless steel of claim 1, it is characterized in that described nonionic reinforcing agent comprises polyacrylamide.
4. according to the preparation method of the described a kind of paper cushion for protecting stainless steel of claim 1, it is characterized in that described morpholine unit oligomeric-type vapour phase inhibitor is formed by the Mannich prepared in reaction by morpholine unit, cyclohexane and normal butane.
5. according to the preparation method of the described a kind of paper cushion for protecting stainless steel of claim 1, it is characterized in that described silicon class porous adsorbing material comprises colloid silicon, cigarette method silicon or nano-silicon.
6. according to the preparation method of the described a kind of paper cushion for protecting stainless steel of claim 1, it is characterized in that described polyacrylic acid dispersant comprises Sodium Polyacrylate, poly amic acid or cation polypropylene acid fat.
7. according to the preparation method of the described a kind of paper cushion for protecting stainless steel of claim 1, it is characterized in that described modified high-molecular film forming agent comprises shitosan, carboxymethyl cellulose, methylcellulose, hydroxypropyl cellulose or hydroxypropyl methylcellulose.
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| CNB200610032682XA CN100383337C (en) | 2006-01-06 | 2006-01-06 | Preparation method of paper cushion for protecting stainless steel |
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| CNB200610032682XA CN100383337C (en) | 2006-01-06 | 2006-01-06 | Preparation method of paper cushion for protecting stainless steel |
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| CN100383337C true CN100383337C (en) | 2008-04-23 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110159762A1 (en) * | 2009-12-31 | 2011-06-30 | Ashish Sen | Paper machine clothing with monofilaments having carbon nanotubes |
| FI122145B (en) * | 2009-12-31 | 2011-09-15 | Upm Kymmene Corp | Process and system for manufacturing a fibrous product |
| CN102534623B (en) * | 2012-02-06 | 2013-10-23 | 华东理工大学华昌聚合物有限公司 | Method for preparing polyacrylic acid vapor phase corrosion inhibitor |
| CN104005304B (en) * | 2014-05-12 | 2016-10-05 | 华南理工大学 | A kind of preparation method of spacetabs type volatile rust preventive paper |
| CN105113306B (en) * | 2015-07-02 | 2017-01-04 | 浙江佳维康特种纸有限公司 | A kind of pulping process of high evenness high-strength thin paper |
| CN116657444A (en) * | 2023-05-31 | 2023-08-29 | 沈阳思特雷斯纸业有限责任公司 | Precise metal plate strip inter-turn paper and preparation method thereof |
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| CN1231346A (en) * | 1998-04-08 | 1999-10-13 | 中国科学院福建物质结构研究所二部 | Novel corrosion inhibitor for inhibiting iron and steel corrosion in running water |
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2006
- 2006-01-06 CN CNB200610032682XA patent/CN100383337C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1231346A (en) * | 1998-04-08 | 1999-10-13 | 中国科学院福建物质结构研究所二部 | Novel corrosion inhibitor for inhibiting iron and steel corrosion in running water |
| CN1560322A (en) * | 2004-03-12 | 2005-01-05 | 上海电力学院 | Preparation process for gas phase corosion inhibitor of morpholine adrivative |
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