CN102002884A - High temperature-resistant stainless steel packing paper and preparation method thereof - Google Patents
High temperature-resistant stainless steel packing paper and preparation method thereof Download PDFInfo
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- CN102002884A CN102002884A CN2010102891784A CN201010289178A CN102002884A CN 102002884 A CN102002884 A CN 102002884A CN 2010102891784 A CN2010102891784 A CN 2010102891784A CN 201010289178 A CN201010289178 A CN 201010289178A CN 102002884 A CN102002884 A CN 102002884A
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Abstract
The invention relates to high temperature-resistant stainless steel packing paper and a preparation method thereof. In the high temperature-resistant stainless steel packing paper, the pulp of the stainless steel packing paper is formed by mixing wood pulp and modified polyoxyethylene; a heat-resistant modified auxiliary agent is coated on the surface of the stainless steel packing paper; and the solid matter of the heat-resistant modified auxiliary agent is a mixture of dicyandiamide, alkylol amine and modified polyvinyl acetate. The invention also discloses the preparation method for the high temperature-resistant stainless steel packing paper. The stainless steel packing paper prepared by the preparation method has a special function of resisting to the high temperature of between 160 and 180 DEG C, ensures the strength retention rate of a paper sheet to be over 95 percent after curing for 6 hours at the temperature of 180 DGE C so that the stainless steel packing paper can be reused repeatedly in a rolling process, simultaneously ensures the requirements on the internal sheet bonding strength and the surface bonding strength of the paper sheet, does not shed and dust from the surface in the process of curling a steel plate, has high anti-gravity strength and toughness, and is not easy to rupture when being introduced into a steel coil.
Description
Technical field
The present invention relates to a kind of high temperature resistant stainless steel packing paper and the preparation method.
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 to be difficult to take off; therefore engineering paper is except needs possess preferably every performance such as fibr tissue uniformity and surface cleanliness, also requires to have the high and heat-resisting quantity preferably of higher physical strength.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.
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, an object of the present invention is to provide a kind of high temperature resistant stainless steel packing paper, this stainless steel packing paper improves the heat resistance and the ABRASION RESISTANCE of paper, has the high and heat-resisting quantity preferably of higher physical strength.Another object of the present invention provides the preparation method of above-mentioned high temperature resistant stainless steel packing paper.
In order to realize first above-mentioned purpose, the present invention has adopted following technical scheme:
A kind of 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 resistance modified auxiliary agent, and the applied amount of heat resistance modified auxiliary agent solid content is 1%～3% of a paper weight; The solid content of described heat resistance modified auxiliary agent is dicyandiamide, hydramine and modified polyvinyl acetate mixture, wherein dicyandiamide accounts for 50%～70% of solid content gross weight, hydramine accounts for 10%～25% of solid content gross weight, and modified polyvinyl acetate accounts for 10%～30% of solid content gross weight.
As preferably, described modification polyethylene glycol oxide is 1%～2.5% of a slurry gross weight.
As preferably, described dicyandiamide accounts for 60%～70% of solid content gross weight, and hydramine accounts for 10%～20% of solid content gross weight, and modified polyvinyl acetate accounts for 15%～25% of solid content gross 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 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 polyethylene glycol oxide, make described high temperature resistant stainless steel packing paper through long mesh paper making machine shaping, squeezing, drying, the method at the machine dried middle part with surface application applies heat resistance modified auxiliary agent.
As a kind of improved procedure, the preparation method of heat resistance modified auxiliary agent is as follows: add clear water in the pot, start agitator and be warmed up to 90～95 ℃, add modified polyvinyl acetate, remain on and stir insulation 15～30min under 90～95 ℃ of temperature, add dicyandiamide again, remain on and stir insulation 10～20min under 90～95 ℃ of temperature, add alkanolamine solution again, remain on and stir insulation 10～20min under 90-95 ℃ again.
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, apply slurry behind the modification polyethylene glycol oxide, through long mesh paper making machine shaping, squeezing, drying, the method at the machine dried middle part with surface application applies heat resistance modified auxiliary agent, improves the heat-resisting quantity of body paper;
3, the heat-proof modifier Main Ingredients and Appearance comprises dicyandiamide, hydramine, modified polyvinyl acetate, and the purpose of three and usefulness is not only to improve heat resistance, improves the tensile strength and the paper toughness of paper simultaneously.
Advantage of the present invention and effect are as follows:
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 as lubricant 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 surface application device of the present invention.
The specific embodiment
Embodiment 1
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;
The prescription of heat-proof modifier is as follows: dicyandiamide 65%, and hydramine 16%, modified polyvinyl acetate 19%, water 900 grams, modified polyvinyl acetate is selected the high dispersive polyvinyl acetate EP11 of VINNAPAS for use.Heat resistance modified agent compounding method: add clear water in the pot, start agitator and be warmed up to 90-95 ℃, add modified polyvinyl acetate, under 90-95 ℃ of temperature, stir insulation 20min, add dicyandiamide again, under 90-95 ℃ of temperature, stir insulation 15min, add alkanolamine solution again, under 90-95 ℃, stir insulation 15min again.
Apply the slurry behind the polyethylene glycol oxide, through fourdrinier forming, the dry body paper 2 of squeezing,, introduce surface application device 4 through deflector roll 3, the prepared heat-proof modifier 1 of example is pressed in absorption, and the paper 5 of absorption heat-proof modifier 1 batches the high temperature resistant packing paper of system again through cylinder dried, press polish.The applied amount of heat resistance modified auxiliary agent solid content is 2.0% of a paper weight.
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:
Embodiment 2
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;
The prescription of heat-proof modifier is as follows: dicyandiamide 55%, and hydramine 20%, modified polyvinyl acetate 25%, water 900 grams, modified polyvinyl acetate is selected the high dispersive polyvinyl acetate EP11 of VINNAPAS for use.Heat resistance modified agent compounding method: add clear water in the pot, start agitator and be warmed up to 90-95 ℃, add modified polyvinyl acetate, under 90-95 ℃ of temperature, stir insulation 20min, add dicyandiamide again, under 90-95 ℃ of temperature, stir insulation 15min, add alkanolamine solution again, under 90-95 ℃, stir insulation 15min again.
Apply the slurry behind the modification polyethylene glycol oxide, make described high temperature resistant stainless steel packing paper through long mesh paper making machine shaping, squeezing, drying, method at the machine dried middle part with surface application applies heat resistance modified auxiliary agent, and the applied amount of heat resistance modified auxiliary agent solid content is 2.4% of a paper weight.
Embodiment 3
True qualities or bleached wood pulp add 1.0% 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;
The prescription of heat-proof modifier is as follows: dicyandiamide 70%, and hydramine 15%, modified polyvinyl acetate 15%, water 900 grams, modified polyvinyl acetate is selected the high dispersive polyvinyl acetate EP11 of VINNAPAS for use.Heat resistance modified agent compounding method: add clear water in the pot, start agitator and be warmed up to 90-95 ℃, add modified polyvinyl acetate, under 90-95 ℃ of temperature, stir insulation 20min, add dicyandiamide again, under 90-95 ℃ of temperature, stir insulation 15min, add alkanolamine solution again, under 90-95 ℃, stir insulation 15min again.
Apply the slurry behind the modification polyethylene glycol oxide, make described high temperature resistant stainless steel packing paper through long mesh paper making machine shaping, squeezing, drying, method at the machine dried middle part with surface application applies heat resistance modified auxiliary agent, and the applied amount of heat resistance modified auxiliary agent solid content is 3.0% of a paper weight.
Claims (5)
1. 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 resistance modified auxiliary agent, and the applied amount of heat resistance modified auxiliary agent solid content is 0.5%～3% of a paper weight; The solid content of described heat resistance modified auxiliary agent is dicyandiamide, hydramine and modified polyvinyl acetate mixture, wherein dicyandiamide accounts for 40%～70% of solid content gross weight, hydramine accounts for 10%～25% of solid content gross weight, and modified polyvinyl acetate accounts for 10%～35% of solid content gross weight.
2. a kind of high temperature resistant stainless steel packing paper according to claim 1 is characterized in that: the modification polyethylene glycol oxide is 1%～2.5% of a slurry gross weight.
3. a kind of high temperature resistant stainless steel packing paper according to claim 1, it is characterized in that: dicyandiamide accounts for 50%～70% of solid content gross weight, hydramine accounts for 10%～20% of solid content gross weight, and modified polyvinyl acetate accounts for 15%～25% of solid content gross weight.
4. a preparation method who prepares high temperature resistant stainless steel packing paper 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, make described high temperature resistant stainless steel packing paper through long mesh paper making machine shaping, squeezing, drying, the method at the machine dried middle part with surface application applies heat resistance modified auxiliary agent.
5. the preparation method of a kind of high temperature resistant stainless steel packing paper according to claim 4, the preparation method who it is characterized in that heat resistance modified auxiliary agent is as follows: add clear water in the pot, start agitator and be warmed up to 90～95 ℃, add modified polyvinyl acetate, remain on and stir insulation 15～30min under 90～95 ℃ of temperature, add dicyandiamide again, remain on and stir insulation 10～20min under 90～95 ℃ of temperature, add alkanolamine solution again, remain on and stir insulation 10～20min under 90-95 ℃ again.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343473A (en) * | 2013-06-05 | 2013-10-09 | 浙江凯丰纸业有限公司 | Production-manufacturing system for CTP plate packing paper |
| CN105256657A (en) * | 2015-09-23 | 2016-01-20 | 浙江凯丰新材料股份有限公司 | Stainless steel packing paper and coating apparatus 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 |
| CN110241646A (en) * | 2017-12-29 | 2019-09-17 | 浙江华川实业集团有限公司 | A kind of manufacture craft of high temperature resistant stainless steel lining paper |
| CN113529484A (en) * | 2021-07-23 | 2021-10-22 | 上海汉伦特种纤维材料有限公司 | Manufacturing method of high-temperature-resistant hot-pressing paperboard |
-
2010
- 2010-09-21 CN CN2010102891784A patent/CN102002884A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343473A (en) * | 2013-06-05 | 2013-10-09 | 浙江凯丰纸业有限公司 | Production-manufacturing system for CTP plate packing paper |
| CN103343473B (en) * | 2013-06-05 | 2015-07-29 | 浙江凯丰纸业有限公司 | A kind of manufacturing system of CTP version packing paper |
| CN105256657A (en) * | 2015-09-23 | 2016-01-20 | 浙江凯丰新材料股份有限公司 | Stainless steel packing paper and coating apparatus 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 |
| CN110241646A (en) * | 2017-12-29 | 2019-09-17 | 浙江华川实业集团有限公司 | A kind of manufacture craft of high temperature resistant stainless steel lining paper |
| CN113529484A (en) * | 2021-07-23 | 2021-10-22 | 上海汉伦特种纤维材料有限公司 | Manufacturing method of high-temperature-resistant hot-pressing paperboard |
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Application publication date: 20110406 |