CN102002885A - High-smooth high temperature-resistant stainless steel packing paper and method and special equipment for preparing same - Google Patents
High-smooth high temperature-resistant stainless steel packing paper and method and special equipment for preparing same Download PDFInfo
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- CN102002885A CN102002885A CN2010102891892A CN201010289189A CN102002885A CN 102002885 A CN102002885 A CN 102002885A CN 2010102891892 A CN2010102891892 A CN 2010102891892A CN 201010289189 A CN201010289189 A CN 201010289189A CN 102002885 A CN102002885 A CN 102002885A
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Abstract
The invention relates to high-smooth high temperature-resistant stainless steel packing paper and a method and special equipment for preparing the same. The pulp of the high-smooth high temperature-resistant stainless steel packing paper is prepared by mixing wood pulp and modified polyoxyethylene; the surface of the stainless steel packing paper is coated with a heat resistant modifier; and a solid matter of the heat resistant modifier is a mixture of dicyandiamide and hydramine, and the ratio of the dicyandiamide to the hydramine is 2:1-6:1. The invention also discloses a method and equipment for preparing the high-smooth high temperature-resistant stainless steel packing paper. The prepared stainless steel packing paper has the special function of resisting high temperature of 160-180 DEG C, ensures that the strength retention rate is over 95 percent after the paper is aged at the high temperature of 180 DEG C for 6 hours, and can be repeatedly used in the rolling process; meanwhile, the requirements on the internal bond strength and surface bond strength of the paper are met, the surface picking of a steel plate in the coiling process does not occur, the gravitation-resistant strength and toughness of the packing paper are high, and the paper is difficult to break when introduced into a steel coil.
Description
Technical field
The present invention relates to a kind of high level and smooth high temperature resistant stainless steel packing paper and preparation method and special equipment.
Background technology
The stainless steel packing paper be in the stainless sheet steel processing operation of rolling to batch the form pad between corrosion resistant plate, prevent the paper cushion for protecting that the friction of plate face scratches, be must obligato auxiliary material in the stainless sheet steel operation of rolling.Because the temperature on rolled stainless steel process light plate surface reaches about 160-180 ℃; paper fibre molecule general under this temperature is with serious dehydration; make the fiber stiff embrittlement fragmentation that becomes, not only do not protect corrosion resistant plate, and the fragment that breaks sticks to stainless steel surfaces and is difficult to take off.Therefore, the stainless steel packing paper also requires to have the high and heat-resisting quantity preferably of higher physical strength except needs possess preferably every performance such as fibr tissue uniformity and surface cleanliness.Not broken under the effect of roll of steel plate power taking to guarantee the stainless steel packing paper, and can be repeatedly used and fall end cost.In order to improve the heat resistance of packing paper, the method that fourdrinier wire multi-cylinder paper machine is commonly used applies heat-proof modifier when being top sizing in the paper page drying position process, improves the heat resistance of paper.And fourdrinier wire vat paper machine is not owing to there is the top sizing system, the general heat resistance that adopts the method for adding heat-proof modifier in the slurry to improve paper washer paper, modifier adds because the loss of manufacturing paper with pulp is big but apply in the slurry, cause the big input cost height of addition, and the heat-proof modifier that adds influences the structural behaviour of paper, though adopt said method to have certain heat-resisting effect, the back papery toughness of being heated is bad, and reusability is poor.
Chinese invention patent (application number: 99113362.5 applyings date: 1999-10-22) disclose thermal resistance gasket paper for stainless steel sheet and production method thereof, be with true qualities or the bleaching neutral chemical wood pulp be raw material, through pulling an oar, purify, screen, copy paper, utilize coating machine to apply heat-proof modifier at the top sizing of paper machine oven dry portion or after copying into paper, the composition of heat-proof modifier comprises dicyandiamide, hydramine, polyvinyl alcohol, silicone oil emulsion, antistatic additive and water.The method of its preparation is: polyvinyl alcohol is soluble in water, and heat and drop into dicyandiamide to the 30-95 ℃ of stirring and dissolving and continue to stir further dissolving, add triethanolamine, antistatic additive, silicone oil emulsion then and stir.During use, packing paper is curling form pad between corrosion resistant plate, scratches to prevent the plate face.This product strength height, good toughness, reusable.
Summary of the invention
In order to solve the defective that existing paper cushion for protecting exists, first purpose of the present invention provides a kind of high level and smooth high temperature resistant stainless steel packing paper, and this stainless steel packing paper heat resistance is good, still can keep certain toughness after being heated.
Second purpose of the present invention provides the preparation method of above-mentioned high level and smooth high temperature resistant stainless steel packing paper.
The 3rd order of the present invention provides the applicator device of heat-proof modifier among the above-mentioned preparation method.
In order to realize first above-mentioned purpose, the present invention has adopted following technical scheme:
A kind of high level and smooth high temperature resistant stainless steel packing paper, the slurry of this stainless steel packing paper is made of wood pulp and the mixing of modification polyethylene glycol oxide, and the modification polyethylene glycol oxide is 0.5%～3% of a slurry gross weight; The surface application of stainless steel packing paper has heat-proof modifier, and the applied amount of heat-proof modifier solid content is 0.5%～3% of a paper weight; The solid content of described heat-proof modifier is dicyandiamide and pure amine blends, and the two proportion of dicyandiamide, hydramine is 2: 1-6: 1.
As preferably, described modification polyethylene glycol oxide is 1%～2.5% of a slurry gross weight.
As preferably, the applied amount of described heat-proof modifier solid content is 1%～2.5% of a paper weight.
In order to realize second above-mentioned purpose, the present invention has adopted following technical scheme:
A kind of preparation method who prepares above-mentioned high level and smooth high temperature resistant stainless steel packing paper, this method comprises the steps:
1. be raw material with true qualities or bleached wood pulp,, in slurry, add the modification polyethylene glycol oxide through pulping, making beating, purification, screening technology;
2. apply the slurry behind the modification polyethylene glycol oxide, carrying out basic paper on fourdrinier wire single cylinder paper machine manufactures paper with pulp, base paper enters vat through behind the pressure roller, the surface of vat sprays heat-proof modifier by injector is set, by being set, the extruding carrying roller squeezes vat in the injector downstream, heat-proof modifier is applied on the basic paper,, batches after the press polish and cut the high level and smooth high temperature resistant stainless steel packing paper of acquisition again with basic paper heated-air drying.
As improved procedure, the preparation method of described heat-proof modifier is as follows: add clear water in the pot, start agitator and be warmed up to 60-65 ℃, add dicyandiamide, under 60-65 ℃ of temperature, stir insulation 15min, add alkanolamine solution again, under 60-65 ℃, stir insulation 15min again.
In order to realize the 3rd above-mentioned purpose, the present invention has adopted following technical scheme:
A kind of heat-proof modifier applicator device, this device comprises vat, extruding carrying roller, heat-proof modifier liquid feed device and injector, the heat-proof modifier liquid feed device connects injector, and injector is provided with extruding carrying roller squeezing vat over against the lower right of vat in the injector downstream.
As a kind of improved procedure, above-mentioned heat-proof modifier liquid feed device comprises water source, heat-proof modifier storage tank, blender and filter, the water source is connected blender by high-pressure pump respectively with the heat-proof modifier storage tank, and blender connects filter, and filter connects described injector.
The present invention has following characteristics owing to adopted above technical scheme:
1, be raw material with true qualities or bleached wood pulp, through technologies such as pulping, making beating, purification, screenings, in slurry, add the modification polyethylene glycol oxide, improve paper folding resistance, rub resistance, glossiness, improve slipping property and reduce or eliminate dry linting phenomenon when high pressure is curling;
2, through fourdrinier wire single cylinder paper machine shaping squeezing, portion applies heat resistance accessory with spray technology at paper machine vat, makes heat-proof modifier rely on solvent to infiltrate paper fibre inside, is coated on fiber surface, improves the heat-resisting quantity of body paper;
3, high-temperature shaping drying, press polish obtain high smoothness on single vat, and promoting or transferring packing paper surface strength and slipping property prevent packing paper pickup corrosion resistant plate;
4, the heat-proof modifier Main Ingredients and Appearance comprises dicyandiamide, hydramine, water, the two proportion of dicyandiamide in the described heat-proof modifier, hydramine is 2: 1-6: 1 (weight quota, with hydramine is 1 part), both totals account for 100% of heat-proof modifier total amount, the purpose of the two and usefulness is a not only raising heat resistance, improves paper toughness simultaneously.
The present invention has following advantage and effect:
1, the stainless steel packing paper that makes has the specific function of anti-160-180 ℃ high temperature, guarantee page through 180 ℃ of high temperature ageings after 6 hours strength retention ratio more than 95% the stainless steel packing paper can be reused repeatedly in the operation of rolling.
2, add the modification polyethylene glycol oxide in the slurry that the present invention selects, surface spraying heat resist modification agent bi-directional combination mode, not only can improve the heat-resisting quantity of packing paper, and can improve the mechanical strength and the toughness of paper, guarantee page internal bond strength and surface bonding strength requirement, surface hair and powder dropping not in the steel plate curly course, the gravitation-resistant intensity and the good toughness of packing paper, paper is not easy fracture when introducing coil of strip.
Description of drawings
Fig. 1 is the structural representation of heat-proof modifier applicator device of the present invention.
The specific embodiment
Heat-proof modifier applicator device as shown in Figure 1, this device comprise vat 5, extruding carrying roller 4, heat-proof modifier liquid feed device and injector 7, and injector 7 is provided with extruding carrying roller 4 squeezing vats 5 over against the lower right of vat 5 in injector 7 downstreams.Described heat-proof modifier liquid feed device comprises water source 13, heat-proof modifier storage tank 11, blender 9 and filter 8, water source 13 is connected blender 9 by high- pressure pump 10,12 respectively with heat-proof modifier storage tank 11, blender 9 connects filter 8, and filter 8 connects described injector 7.
True qualities or bleached wood pulp add 1.5% modification polyethylene glycol oxide through technologies such as pulping, making beating, purification, screenings in slurry, the modification polyethylene glycol oxide is selected modification polyethylene glycol oxide TR-01 for use.
Heat-proof modifier: dicyandiamide 65%, hydramine 16%, water 900 grams, apply consumption: solid content is to paper 2.0% applied amount.
Heat resistance modified agent compounding method: add clear water in the pot, start agitator and be warmed up to 60-65 ℃, add dicyandiamide, under 60-65 ℃ of temperature, stir insulation 15min, add alkanolamine solution again, under 60-65 ℃, stir insulation 15min again.
Carrying out basic paper 1 on fourdrinier wire single cylinder paper machine manufactures paper with pulp, base paper 1 enters vat 5 through behind the pressure roller 2, the surface of vat 5 sprays heat-proof modifier by injector 7 is set, by being set, extruding carrying roller 4 squeezes vats 5 in injector 7 downstreams, heat-proof modifier is applied on the basic paper 1, base paper 1 applies the laggard slewing rollers 6 of heat-proof modifier and sends, and again with basic paper 1 heated-air drying, batches after the press polish and cuts the high level and smooth high temperature resistant stainless steel packing paper of acquisition.
Heat resistance modified Evaluation on effect
Experimental condition: will apply the heat resist modification agent and not apply the packing paper of heat resist modification agent, and put into the baking oven that is heated to 180 ℃ in advance, and dry by the fire respectively after 0,2,4,6 hour and take out, and reinforce in constant speed and measure its tension stress tensile strength under the condition of lotus:
True qualities or bleached wood pulp add 2.0% modification polyethylene glycol oxide through technologies such as pulping, making beating, purification, screenings in slurry, the modification polyethylene glycol oxide is selected modification polyethylene glycol oxide TR-01 for use.
Heat-proof modifier: dicyandiamide 65%, hydramine 16%, water 900 grams, apply consumption: solid content is to paper 1.0% applied amount.
Carrying out basic paper on fourdrinier wire single cylinder paper machine manufactures paper with pulp, base paper enters vat 5 through behind the pressure roller, the surface of vat 5 sprays heat-proof modifier by injector 7 is set, by being set, extruding carrying roller 4 squeezes vats 5 in injector 7 downstreams, heat-proof modifier is applied on the basic paper, with basic paper heated-air drying, batch after the press polish and cut the high level and smooth high temperature resistant stainless steel packing paper of acquisition again.
True qualities or bleached wood pulp add 2.5% modification polyethylene glycol oxide through technologies such as pulping, making beating, purification, screenings in slurry, the modification polyethylene glycol oxide is selected modification polyethylene glycol oxide TR-01 for use.
Heat-proof modifier: dicyandiamide 65%, hydramine 16%, water 900 grams, apply consumption: solid content is to paper 1.3% applied amount.
Carrying out basic paper on fourdrinier wire single cylinder paper machine manufactures paper with pulp, base paper enters vat 5 through behind the pressure roller, the surface of vat 5 sprays heat-proof modifier by injector 7 is set, by being set, extruding carrying roller 4 squeezes vats 5 in injector 7 downstreams, heat-proof modifier is applied on the basic paper, with basic paper heated-air drying, batch after the press polish and cut the high level and smooth high temperature resistant stainless steel packing paper of acquisition again.
Claims (7)
1. one kind high level and smooth high temperature resistant stainless steel packing paper is characterized in that: the slurry of this stainless steel packing paper is mixed by wood pulp and modification polyethylene glycol oxide and constitutes, and the modification polyethylene glycol oxide is 0.5%～3% of a slurry gross weight; The surface application of stainless steel packing paper has heat-proof modifier, and the applied amount of heat-proof modifier solid content is 0.5%～3% of a paper weight; The solid content of described heat-proof modifier is dicyandiamide and pure amine blends, and the two proportion of dicyandiamide, hydramine is 2: 1-6: 1.
2. a kind of high level and smooth high temperature resistant stainless steel packing paper according to claim 1, it is characterized in that: the modification polyethylene glycol oxide is 1%～2.5% of a slurry gross weight.
3. a kind of high level and smooth high temperature resistant stainless steel packing paper according to claim 1, it is characterized in that: the applied amount of heat-proof modifier solid content is 1%～2.5% of a paper weight.
4. a preparation method who prepares the level and smooth high temperature resistant stainless steel packing paper of height as claimed in claim 1 is characterized in that this method comprises the steps:
1. be raw material with true qualities or bleached wood pulp,, in slurry, add the modification polyethylene glycol oxide through pulping, making beating, purification, screening technology;
2. apply the slurry behind the modification polyethylene glycol oxide, carrying out basic paper (1) on fourdrinier wire single cylinder paper machine manufactures paper with pulp, base paper (1) enters vat (5) through behind the pressure roller, the surface of vat (5) sprays heat-proof modifier by injector (7) is set, by being set, extruding carrying roller (4) squeezes vat (5) in injector (7) downstream, heat-proof modifier is applied on the basic paper (1),, batches after the press polish and cut the high level and smooth high temperature resistant stainless steel packing paper of acquisition again with basic paper (1) heated-air drying.
5. the preparation method of a kind of high level and smooth high temperature resistant stainless steel packing paper according to claim 4, the preparation method who it is characterized in that heat-proof modifier is as follows: add clear water in the pot, start agitator and be warmed up to 60-65 ℃, add dicyandiamide, under 60-65 ℃ of temperature, stir insulation 15min, add alkanolamine solution again, under 60-65 ℃, stir insulation 15min again.
6. the applicator device of heat-proof modifier among the described preparation method of claim 4, it is characterized in that: this device comprises vat (5), extruding carrying roller (4), heat-proof modifier liquid feed device and injector (7), the heat-proof modifier liquid feed device connects injector (7), injector (7) is provided with extruding carrying roller (4) squeezing vat (5) over against the lower right of vat (5) in injector (7) downstream.
7. according to the applicator device of a kind of heat-proof modifier shown in the claim 6, it is characterized in that: the heat-proof modifier liquid feed device comprises water source (13), heat-proof modifier storage tank (11), blender (9) and filter (8), water source (13) is connected blender (9) by high-pressure pump (10,12) respectively with heat-proof modifier storage tank (11), blender (9) connects filter (8), and filter (8) connects described injector (7).
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| CN2010102891892A CN102002885A (en) | 2010-09-21 | 2010-09-21 | High-smooth high temperature-resistant stainless steel packing paper and method and special equipment for preparing same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104928984A (en) * | 2015-06-03 | 2015-09-23 | 华南理工大学 | High-smoothness stainless-steel isolation paper and preparation method thereof |
| CN105297547A (en) * | 2015-09-23 | 2016-02-03 | 浙江凯丰新材料股份有限公司 | Heat-resistance stainless steel packing paper and applicator thereof |
| CN106591749A (en) * | 2016-12-28 | 2017-04-26 | 西南铝业（集团）有限责任公司 | Method for conducting low-temperature heat treatment on aluminum plates |
-
2010
- 2010-09-21 CN CN2010102891892A patent/CN102002885A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104928984A (en) * | 2015-06-03 | 2015-09-23 | 华南理工大学 | High-smoothness stainless-steel isolation paper and preparation method thereof |
| CN104928984B (en) * | 2015-06-03 | 2017-02-22 | 华南理工大学 | High-smoothness stainless-steel isolation paper and preparation method thereof |
| CN105297547A (en) * | 2015-09-23 | 2016-02-03 | 浙江凯丰新材料股份有限公司 | Heat-resistance stainless steel packing paper and applicator thereof |
| CN106591749A (en) * | 2016-12-28 | 2017-04-26 | 西南铝业（集团）有限责任公司 | Method for conducting low-temperature heat treatment on aluminum plates |
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Application publication date: 20110406 |