CN102441851B - Strong abrasive belt base paper and preparation method - Google Patents
Strong abrasive belt base paper and preparation method Download PDFInfo
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- CN102441851B CN102441851B CN201110305922XA CN201110305922A CN102441851B CN 102441851 B CN102441851 B CN 102441851B CN 201110305922X A CN201110305922X A CN 201110305922XA CN 201110305922 A CN201110305922 A CN 201110305922A CN 102441851 B CN102441851 B CN 102441851B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- 238000005507 spraying Methods 0.000 claims abstract description 27
- 239000011229 interlayer Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 17
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims description 96
- 229920005989 resin Polymers 0.000 claims description 45
- 239000011347 resin Substances 0.000 claims description 45
- 238000004026 adhesive bonding Methods 0.000 claims description 25
- 238000007598 dipping method Methods 0.000 claims description 25
- 238000006073 displacement reaction Methods 0.000 claims description 24
- 235000013409 condiments Nutrition 0.000 claims description 23
- 229920001971 elastomer Polymers 0.000 claims description 21
- 229920000058 polyacrylate Polymers 0.000 claims description 21
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- 238000003756 stirring Methods 0.000 claims description 21
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 20
- 210000000481 breast Anatomy 0.000 claims description 18
- 239000002002 slurry Substances 0.000 claims description 18
- 239000001254 oxidized starch Substances 0.000 claims description 17
- 235000013808 oxidized starch Nutrition 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 13
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 13
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 12
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 238000004945 emulsification Methods 0.000 claims description 12
- 239000000839 emulsion Substances 0.000 claims description 12
- 239000006260 foam Substances 0.000 claims description 12
- 239000003112 inhibitor Substances 0.000 claims description 12
- 229920000877 Melamine resin Polymers 0.000 claims description 11
- 239000000470 constituent Substances 0.000 claims description 11
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 10
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 10
- 150000002148 esters Chemical class 0.000 claims description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 9
- 239000004202 carbamide Substances 0.000 claims description 9
- 230000002940 repellent Effects 0.000 claims description 8
- 239000005871 repellent Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- -1 polypropylene Polymers 0.000 claims description 7
- 229920002125 Sokalan® Polymers 0.000 claims description 6
- 238000010790 dilution Methods 0.000 claims description 6
- 239000012895 dilution Substances 0.000 claims description 6
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 6
- 239000013530 defoamer Substances 0.000 claims description 5
- 230000015556 catabolic process Effects 0.000 claims description 4
- 238000006731 degradation reaction Methods 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- 239000002174 Styrene-butadiene Substances 0.000 claims description 3
- FDYSSWYQRTVFIS-UHFFFAOYSA-N buta-1,3-diene 3-phenylprop-2-enoic acid Chemical compound C=CC=C.C(=O)(O)C=CC1=CC=CC=C1 FDYSSWYQRTVFIS-UHFFFAOYSA-N 0.000 claims description 3
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 239000011115 styrene butadiene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims 4
- 239000002253 acid Substances 0.000 claims 4
- 229920001155 polypropylene Polymers 0.000 claims 4
- 229920000459 Nitrile rubber Polymers 0.000 claims 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical group C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 239000003292 glue Substances 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 238000005470 impregnation Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- 230000008676 import Effects 0.000 description 5
- 229920003656 Daiamid® Polymers 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- 230000003487 anti-permeability effect Effects 0.000 description 4
- 238000010009 beating Methods 0.000 description 4
- 238000004061 bleaching Methods 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
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- 239000007844 bleaching agent Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- SNMVRZFUUCLYTO-UHFFFAOYSA-N n-propyl chloride Chemical class CCCCl SNMVRZFUUCLYTO-UHFFFAOYSA-N 0.000 description 3
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- YMHOBZXQZVXHBM-UHFFFAOYSA-N 2,5-dimethoxy-4-bromophenethylamine Chemical compound COC1=CC(CCN)=C(OC)C=C1Br YMHOBZXQZVXHBM-UHFFFAOYSA-N 0.000 description 1
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 description 1
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- 241000545067 Venus Species 0.000 description 1
- VJHCJDRQFCCTHL-UHFFFAOYSA-N acetic acid 2,3,4,5,6-pentahydroxyhexanal Chemical class CC(O)=O.OCC(O)C(O)C(O)C(O)C=O VJHCJDRQFCCTHL-UHFFFAOYSA-N 0.000 description 1
- 238000006136 alcoholysis reaction Methods 0.000 description 1
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Abstract
The invention provides strong abrasive belt base paper and a preparation method. The strong abrasive belt base paper is high in strength and fine in flexibility and impermeability and is not layered. The preparation method for the base paper includes steps that 1, wood pulp is disintegrated, 2, the pulp is proportioned, materials are blended, and a pH (potential of hydrogen) value in blended materials is controlled to range from 6.5 to 7.0, 3, interlayer spraying of the paper on a screen is carried out, 4, a back is prestressed, replaced and dried, and 5, front and back impregnation, glue application and drying are carried out. Multiple times of glue application are realized in a paper making process, glue content in the paper is increased, the strength of a product is improved, and the product is not layered and is fine in flexibility and impermeability. The heavy base paper is high in interlayer peeling strength, dry and wet strengths of the heavy base paper meet indexes of like imported products, oil impermeability of the heavy base paper can completely meet the strong abrasive belt production requirement of the industry of coated abrasive tools, and performances, such as the strength, the flexibility and the like, of a base of a produced abrasive belt product are improved obviously.
Description
Technical field
The invention belongs to the paper industry field, relate to papermaking; Just be to provide specifically a kind of extraordinary industrial paper-strong abrasive belt base paper and preparation method who specializes in the coated abrasive tool industry.
Background technology
Grinding tool is current each manufacturing industry Roughing and fine machining milling tools more and more widely, as strong abrasive band, to the intensity of grinding, efficiency etc., require more and more higher especially, and as this important carrier key element of base paper of strong abrasive band, domestic dependence on import all the time, cost is high, procurement cycle is long, the base paper of domestic related process production exists intensity not high, easily layering, easily be full of cracks, pliability, anti-permeability are poor, can only be as general low-intensity grinding operation.
China Patent Publication No. adds 0.5～0.8 part of 0.8～1.0 part of neutral sizing agent and daiamid epoxy chloropropane to obtain a kind of abrasive band paper good on the indexs such as machine direction tensile strength and green deformation for CN101486170 provides in Chilean Venus wood pulp, Canadian moon wood pulp.
Summary of the invention
The invention provides a kind of intensity high, not stratified, pliability, the strong abrasive belt base paper that anti-permeability is good.
It is high that another object of the present invention is to provide a kind of intensity, not stratified, the preparation method of pliability, strong abrasive belt base paper that anti-permeability is good.
Technical scheme of the present invention is: a kind of preparation method of strong abrasive belt base paper, and the method comprises:
(1) to the wood pulp size degradation;
(2) carry out with slurry condiment, in condiment, the pH value is controlled at 6.5～7.0 scopes;
(3) carry out spraying between online ply of paper;
(4) carry out back precompressed displacement;
(5) carry out positive and negative dipping and gluing.
What the chemical composition added in slurry condiment, interlayer spraying, precompressed displacement, dipping and gluing accounted for the dry fiber total amount of base paper wood pulp mass ratio is:
Resin 10～15%
Chemical assistant 1～2.0%
Auxiliary chemicals 0.1～0.3%
The percentage of the quality component of the chemical composition added in slurry condiment operation:
Resin 62～83%
Chemical assistant 15～35%
Auxiliary chemicals 1.5～3.5%
Resin is to add in size-mixing tank, and chemical assistant and auxiliary chemicals add destroying forebay;
Resin is any two kinds or the combination in esters of acrylic acid polymers, butyronitrile rubber breast, carboxy styrene-butadiene rubber Ruzhong; Chemical assistant is any one or the combination in oxidized starch, PAMC; Auxiliary chemicals is water repellent agent.
The mass percent of the chemical composition of interlayer spraying:
Resin 65～87%
Chemical assistant 11～32%
Auxiliary chemicals 1.1～3.2%.
It is polyacrylate that the chemical constituent of interlayer spraying consists of described resin, and described chemical assistant is oxidized starch, and described auxiliary chemicals is promoter or foam inhibitor;
The preparation method that the chemical constituent of interlayer spraying forms:
To the dilution after polyacrylate liquid in add oxidized starch;
Add promoter or foam inhibitor in above-mentioned mixed liquor, the uninterrupted stirring;
After qualified mixed emulsion filters by preparation, then carry out the interlayer spraying.
The mass percent of the chemical composition of precompressed displacement:
Resin 98～99%
Chemical assistant 0%
Auxiliary chemicals 0.7～2%.
Resin described in the chemical constituent of precompressed displacement forms is butyronitrile rubber breast, PAE, MF resin any two kinds or combination, and described auxiliary chemicals is foam inhibitor;
In back precompressed displacement operation, the mixed with resin liquid and preparation method thereof is:
The butyronitrile rubber breast adds dilution water, regulates concentration and is controlled at 15～25g/l;
To adding PAE in the butyronitrile rubber emulsion that regulates concentration or/and the MF resin, stirring at low speed 10～15 minutes;
Add foam inhibitor in mixed emulsion, the rear filtration that is mixed is used.
Dipping and gluing operation emulsion prepares component and is:
Resin 97.5～98.8%
Chemical assistant 0%
Auxiliary chemicals 1.2～2.25%.
Described in the chemical constituent of dipping and gluing forms, resin is the mixture of polyvinyl alcohol, modified polyacrylate, carboxymethyl cellulose, and described auxiliary chemicals is urea;
The dipping and gluing process is: 1., by polyvinyl alcohol emulsification 1 hour to 90 ℃, be cooled to 60 ℃;
2. add modified polyacrylate in 1.;
3. by adding 2. after carboxymethyl cellulose emulsification;
4. get during 3. urea add, stir, filter and use.
A kind of strong abrasive belt base paper, comprise base paper fiber and chemical composition, and chemical composition is comprised of resin, chemical assistant and auxiliary chemicals, accounts for the dry fiber quality ratio of base paper wood pulp to be:
Resin 10～15%
Chemical assistant 1～2.0%
Auxiliary chemicals 0.1～0.3%;
The preparation method of base paper comprises:
(1) to the wood pulp size degradation;
(2) carry out with slurry condiment, in condiment, the pH value is controlled at 6.5～7.0 scopes;
(3) carry out spraying between online ply of paper;
(4) carry out back precompressed displacement dry;
(5) carry out positive and negative dipping and gluing dry.
Resin comprises acrylate, butyronitrile rubber breast, carboxylic styrene butadiene latex, polyacrylate, PAE, MF resin, polyvinyl alcohol, modified polyacrylate, carboxymethyl cellulose; Described chemical assistant comprises oxidized starch, PAMC; Described auxiliary chemicals comprises neutral sizing agent AKD, defoamer, promoter, water repellent agent, oil resistance agent.
Production technology of the present invention, what through press polish, process is to process as the adjustment of upper operation, makes base paper density more consistent, in conjunction with tightr, flatness is good.
The present invention is through repeatedly applying glue in paper-making process, and paper includes glue and measures increase, and the intensity of product is high, not stratified, and pliability, anti-permeability are good.Between the heavy pound base paper layer that the present invention produces, peel strength is high, dry wet strength reaches similar imported product index, grease proofing permeance property meets the requirement of coated abrasive tool industry production strong abrasive band fully, and the performances such as its matrix strength of abrasive band product of production, pliability significantly improve.
The accompanying drawing explanation
Fig. 1 strong abrasive belt base paper flow sheet
The specific embodiment
Below in conjunction with accompanying drawing explanation and the specific embodiment, the present invention is described in further detail.
At first import wood pulp, domestic bleaching needle-point leaf pulp in proportion before hydrabrusher pulping → reserve pit → conical refiner defibrination → mill after reserve pit → double disc refiner defibrination → mill size-mixing tank (add for the first time natural gum in size-mixing tank, in condiment, the pH value is controlled at 6.5～7.0 scopes) → (gluing back dipping displacement for the third time) → (the 4th time is just for cylinder dried → pair roller sizing applicator to copy forebay (adding chemical assistant and auxiliary chemicals) → copy front scummer → online (spraying between upper glue layer for the second time) → suction press dehydration → second press, the reverse side dipping and gluing) the heavy calender → reel machine of → hot air drier → 4th group cylinder dried → five rollers → finished product warehouse-in.
With slurry condiment: the percentage of the quality component of the chemical composition added in slurry condiment operation:
Resin 62～83%
Chemical assistant 15～35%
Auxiliary chemicals 1.5～3.5%
Resin is to add in size-mixing tank, and chemical assistant and auxiliary chemicals add destroying forebay;
Resin is any two kinds or the combination in esters of acrylic acid polymers, butyronitrile rubber breast, carboxy styrene-butadiene rubber Ruzhong; Chemical assistant is any one or the combination in oxidized starch, PAMC; Auxiliary chemicals is any one or the combination in neutral AKD, water repellent agent, oil resistance agent.
The interlayer spraying:
The mass percent of the chemical composition of interlayer spraying:
Resin 65～87%
Chemical assistant 11～32%
Auxiliary chemicals 1.1～3.2%.
It is polyacrylate that the chemical constituent of interlayer spraying consists of described resin, and described chemical assistant is oxidized starch, and described auxiliary chemicals is promoter or foam inhibitor;
The preparation method that the chemical constituent of interlayer spraying forms:
To the dilution after polyacrylate liquid in add oxidized starch;
Add promoter or foam inhibitor in above-mentioned mixed liquor, the uninterrupted stirring;
After qualified mixed emulsion filters by preparation, then carry out the interlayer spraying.
Back precompressed displacement:
The mass percent of the chemical composition of precompressed displacement:
Resin 98～99.3%
Chemical assistant 0%
Auxiliary chemicals 0.7～2%
Resin described in the chemical constituent of precompressed displacement forms is butyronitrile rubber breast, PAE, MF resin any two kinds or combination, and described auxiliary chemicals is foam inhibitor;
In back precompressed displacement operation, the mixed with resin liquid and preparation method thereof is:
The butyronitrile rubber breast adds dilution water, regulates concentration and is controlled at 15～25g/l;
To adding PAE in the butyronitrile rubber emulsion that regulates concentration or/and the MF resin, stirring at low speed 10～15 minutes;
Add foam inhibitor in mixed emulsion, the rear filtration that is mixed is used.
Dipping and gluing
Dipping and gluing operation emulsion prepares component and is:
Resin 98.7～99.5%
Chemical assistant 0%
Auxiliary chemicals 0.5～1.3%.
Described in the chemical constituent of dipping and gluing forms, resin is the mixture of polyvinyl alcohol, modified polyacrylate, carboxymethyl cellulose, and described auxiliary chemicals is urea;
The dipping and gluing process is: 1., by polyvinyl alcohol emulsification 1 hour to 90 ℃, be cooled to 60 ℃;
2. add modified polyacrylate in 1.;
3. by adding 2. after carboxymethyl cellulose emulsification;
4. get during 3. urea add, stir, filter and use.
The polymer that polyvinyl alcohol is different molecular weight, because of its alcoholysis degree, industry and purposes difference, in this component, total carrier, be at least wherein a kind of.Modified polyacrylate is because of the change of chain character, and during use, difference is little, can be its a kind of in polymer-modified.Carboxymethyl cellulose can be also its sodium salt class, and low viscosity, high viscosity are at least wherein a kind of.
The strong abrasive belt base paper actual measurement quality index (list) of wood invention
Embodiment mono-
(1) strong abrasive belt base paper production technology of the present invention, fibre furnish working control technique:
Bleach in 17 of domestic kp softwood pulps and add 3 import one-level bleaching needle-point leaf pulps, mixed material feeding, store and fully be mixed evenly through two stock tanks.
(2) by said ratio technique, the production technology of strong abrasive belt base paper of the present invention, with slurry condiment, interlayer spraying, precompressed displacement, dipping and gluing operation resin and auxiliary agent preparation steps are as follows:
Beating time 5 hours, the degree of beating, weight in wet base index are constant by same control index.
(3), the condiment step is in slurry: 30 parts of esters of acrylic acid polymers add after adding 15 parts of butyronitrile rubbers breasts to mix in size-mixing tank, and 15 parts of oxidized starch add AKD2 part to be blended in to destroy forebay and add.
(4) interlayer spraying step is:
1., 65 parts of polyacrylate are diluted with water 10 times,
2., in 1., add 15 parts of oxidized starch to stir evenly,
3., in 2., add 1 part, zinc oxide, stir, filter and use.
(5) precompressed displacement production stage is:
1., 10 parts of butyronitrile rubber breasts are diluted with water to 15～25g/l concentration.
2., add 40 parts of daiamid epoxy chloropropanes in 1..
3., in 2., add 0.5 part of organic silicone oil defoamer, stir, filter and use.
(6) the dipping and gluing step is:
1., by 2 parts of emulsifications of polyvinyl alcohol 1 hour to 90 ℃, be cooled to 60 ℃.
2., add 80 parts of modified polyacrylates in 1..
3., by adding 2. after 18 parts of carboxymethyl cellulose emulsifications.
4., get during 3. 0.5 part of urea add, stir, filter and use.
(7) press polish is processed and is adopted the heavy calender of five rollers to adjust page flatness and density.
In above-described embodiment total resin glue amount account for the dry fibre weight of wood pulp mass ratio 13%.
Embodiment bis-
(1) strong abrasive belt base paper production technology of the present invention, the actual modulation process of fibre furnish:
Bleach in 16 of domestic kp softwood pulps and add 4 import one-level bleaching needle-point leaf pulps, mixed material feeding, store and fully be mixed evenly through two stock tanks.
(2) by said ratio technique, the production technology of strong abrasive belt base paper of the present invention, with slurry condiment, interlayer spraying, precompressed displacement, dipping and gluing operation resin and auxiliary agent preparation steps are as follows:
Drilling fluid preparing time 6 hours, the degree of beating, weight in wet base index are constant by same control index.
(3) in the slurry, the condiment step is:
1., 40 parts of esters of acrylic acid polymers add 15 parts of butyronitrile rubbers breasts to mix,
2., to 1. adding 10 parts of PAMC liquid,
3., to 0.5 part of water repellent agent in 2..
(4) interlayer spraying step is:
1., 80 parts of polyacrylate are diluted with water 10 times.
2., in 1., add 10 parts of oxidized starch to stir evenly.
3., in 2., add 0.5 part, zinc oxide, stir, filter and use.
(5) precompressed displacement production stage is:
1., 20 parts of butyronitrile rubber breasts are diluted with water to 15～25g/l concentration,
2., in 1., add 40 parts of daiamid epoxy chloropropanes,
3., in 2., add 15 parts of melamine resins,
4., in 3., add 0.5 part of organic silicone oil defoamer, stir, filter and use.
(6) the dipping and gluing step is:
1., by 2 parts of emulsifications of polyvinyl alcohol 1 hour to 90 ℃, be cooled to 60 ℃,
2., in 1., add 60 parts of modified polyacrylates,
3., in 2., add 28 parts of carboxymethyl celluloses, after emulsification, add,
4., get during 3. 0.5 part of urea add, stir, filter and use.
(7) press polish is processed and is adopted the heavy calender of five rollers to adjust page flatness and density.
In above-described embodiment total resin glue amount account for the dry fibre weight of wood pulp mass ratio 15%.
Embodiment tri-
(1) strong abrasive belt base paper production technology of the present invention, the actual modulation process of fibre furnish:
Bleach in 14 of domestic kp softwood pulps and add 6 import one-level bleaching needle-point leaf pulps, mixed material feeding, store and fully be mixed evenly through two stock tanks.
(2) by said ratio technique, the production technology of strong abrasive belt base paper of the present invention, with slurry condiment, interlayer spraying, precompressed displacement, dipping and gluing operation resin and auxiliary agent preparation steps are as follows:
Drilling fluid preparing time 7 hours, the degree of beating, weight in wet base index are constant by same control index.
(3) in the slurry, the condiment step is:
1., 10 parts, 15 parts butyronitrile rubber breasts of esters of acrylic acid polymers add after adding 10 parts of carboxymethyl styrene-butadiene latexes to mix in size-mixing tank,
2., 20 parts of oxidized starch add 2 parts of AKD to be blended in to destroy forebay and add.
(4) interlayer spraying step is:
1., 40 parts of polyacrylate are diluted with water 10 times.
2., in 1., add 20 parts of oxidized starch to stir evenly.
3., in 2., add 2 parts, magnesia, stir, filter and use.
(5) precompressed displacement production stage is:
1., 10 parts of butyronitrile rubber breasts are diluted with water to 15～25g/l concentration.
2., add 30 parts of daiamid epoxy chloropropanes in 1..
3., add 10 parts of melamine resins in 2..
4., in 3., add 1 part of organic silicone oil, stir, filter and use.
(6) the dipping and gluing step is:
1., by 2 parts of emulsifications of polyvinyl alcohol 1 hour to 90 ℃, be cooled to 60 ℃.
2., add 55 parts of modified polyacrylates in 1..
3., in 2., add 18 parts of carboxymethyl celluloses, after emulsification, add.
4., get during 3. 1 part of urea add, stir, filter and use.
(7) press polish is processed and is adopted the heavy calender of five rollers to adjust page flatness and density.
In above-described embodiment total resin glue amount account for the dry fibre weight of wood pulp mass ratio 10%.
In the present invention, water repellent agent is neutral AKD, and cutting infusion is organic silicone oil series, and promoter is zinc oxide or magnesia.
The quality equal portions of strong abrasive belt base paper each part according to fibre furnish, with slurry condiment, precompressed displacement, dipping and gluing with during the press polish treatment process is produced are identical.
The present invention can also have other embodiment, and the technical scheme that the equal replacement of all employings or equivalent transformation form, within all dropping on the scope of protection of present invention.
Claims (9)
1. the preparation method of a strong abrasive belt base paper, the method comprises:
(1) to the wood pulp size degradation;
(2) carry out with slurry condiment, in condiment, the pH value is controlled at 6.5～7.0 scopes;
(3) carry out spraying between online ply of paper;
(4) carry out back precompressed displacement dry between the second press after the suction press dehydration;
(5) carry out positive and negative dipping and gluing;
What the chemical composition added in described with slurry condiment, interlayer spraying, precompressed displacement, dipping and gluing accounted for the dry fiber total amount of base paper wood pulp mass ratio is:
Resin 10～15%
Chemical assistant 1～2.0%
Auxiliary chemicals 0.1～0.3%
Described resin is acrylate, butyronitrile rubber breast, carboxylic styrene butadiene latex, polyacrylate, PAE, MF resin, polyvinyl alcohol, its chlorinated polypropylene acid esters, carboxymethyl cellulose; Described chemical assistant is oxidized starch, PAMC; Described auxiliary chemicals comprises defoamer, promoter, water repellent agent.
2. the preparation method of base paper as claimed in claim 1, it is characterized in that: the percentage of the quality component of the chemical composition added in described with slurry condiment operation is:
Resin 62～83%
Chemical assistant 15～35%
Auxiliary chemicals 1.5～3.5%;
Described resin is to add in size-mixing tank, and chemical assistant and auxiliary chemicals add destroying forebay;
The resin added in described with slurry condiment operation is any two or the combination in esters of acrylic acid polymers, butyronitrile rubber breast, carboxy styrene-butadiene rubber Ruzhong; Described chemical assistant is any one or the combination in oxidized starch, PAMC; Described auxiliary chemicals is water repellent agent.
3. the preparation method of base paper as claimed in claim 1 or 2 is characterized in that: the mass percent of the chemical composition of described interlayer spraying:
Resin 65～87%
Chemical assistant 11～32%
Auxiliary chemicals 1.1～3.2%;
It is polyacrylate that the chemical composition of described interlayer spraying consists of described resin, and described chemical assistant is oxidized starch, and described auxiliary chemicals is promoter or foam inhibitor.
4. the preparation method of base paper as claimed in claim 3 is characterized in that:
The chemical constituent of described interlayer spraying forms the preparation method:
To the dilution after polyacrylate liquid in add oxidized starch;
Add promoter or foam inhibitor in above-mentioned mixed liquor, the uninterrupted stirring;
After qualified mixed emulsion filters by preparation, then carry out the interlayer spraying.
5. the preparation method of base paper as claimed in claim 1 or 2 is characterized in that: the mass percent of the chemical composition of described precompressed displacement is:
Resin 98～99%
Chemical assistant 0%
Auxiliary chemicals 0.7～2%;
It is butadiene acrylonitrile rubber breast, PAE, MF resin any two kinds or combination that the chemical constituent of described precompressed displacement consists of described resin, and described auxiliary chemicals is foam inhibitor.
6. the preparation method of base paper as claimed in claim 5 is characterized in that:
In described back precompressed displacement operation, the mixed with resin liquid and preparation method thereof is:
The butyronitrile rubber breast adds dilution water, regulates concentration and is controlled at 15～25g/l;
To adding PAE in the butyronitrile rubber emulsion that regulates concentration or/and the MF resin, stirring at low speed 10～15 minutes;
Add foam inhibitor in mixed emulsion, the rear filtration that is mixed is used.
7. the preparation method of base paper as claimed in claim 1 or 2 is characterized in that: after described dipping and gluing operation emulsion preparation, ratio of component is:
Resin 98.7～99.5%
Chemical assistant 0%
Auxiliary chemicals 0.5～1.3%;
The chemical constituent of described dipping and gluing consists of the mixture that described resin is polyvinyl alcohol, its chlorinated polypropylene acid esters, carboxymethyl cellulose, and described auxiliary chemicals is urea.
8. the preparation method of base paper as claimed in claim 7 is characterized in that:
Described dipping and gluing process is:
1. by polyvinyl alcohol emulsification 1 hour to 90 ℃, be cooled to 60 ℃;
2. add its chlorinated polypropylene acid esters in 1.;
3. by adding 2. after carboxymethyl cellulose emulsification;
4. get during 3. urea add, stir, filter and use.
9. a strong abrasive belt base paper, comprise base paper fiber and chemical composition, and described chemical composition is comprised of resin, chemical assistant and auxiliary chemicals, it is characterized in that: what described chemical composition accounted for the dry fiber total amount of base paper wood pulp mass ratio is:
Resin 10～15%
Chemical assistant 1～2.0%
Auxiliary chemicals 0.1～0.3%;
The preparation method of described base paper comprises:
(1) to the wood pulp size degradation;
(2) carry out with slurry condiment, in condiment, the pH value is controlled at 6.5～7.0 scopes;
(3) carry out spraying between online ply of paper;
(4) carry out back precompressed displacement dry between the second press after the suction press dehydration;
(5) carry out positive and negative dipping and gluing dry;
Described resin is acrylate, butyronitrile rubber breast, carboxylic styrene butadiene latex, polyacrylate, PAE, MF resin, polyvinyl alcohol, its chlorinated polypropylene acid esters, carboxymethyl cellulose; Described chemical assistant is oxidized starch, PAMC; Described auxiliary chemicals comprises defoamer, promoter, water repellent agent.
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| CN201110305922XA CN102441851B (en) | 2011-09-26 | 2011-09-26 | Strong abrasive belt base paper and preparation method |
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| CN107378807A (en) * | 2017-08-27 | 2017-11-24 | 易立科技通山有限公司 | A kind of strong abrasive band paper |
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| CN103205915A (en) * | 2013-03-26 | 2013-07-17 | 开化县新爱迪印刷包装有限公司 | Damp-proofing and acid-proofing treatment method for packing paper |
| CN107558301B (en) * | 2017-08-27 | 2020-05-15 | 易立科技通山有限公司 | Preparation method of strong abrasive belt base paper |
| CN107345378A (en) * | 2017-08-27 | 2017-11-14 | 易立科技通山有限公司 | Glue spreading apparatus for abrasive band paper |
| CN107326740A (en) * | 2017-08-27 | 2017-11-07 | 易立科技通山有限公司 | Paper grade (stock) wet end size applicator |
| CN109235113B (en) * | 2018-09-21 | 2020-11-20 | 临朐玉龙造纸有限公司 | Food-grade baking paper and manufacturing method thereof |
| CN109554952A (en) * | 2018-11-23 | 2019-04-02 | 福建省青山纸业股份有限公司 | A kind of wood sand base paper production method |
| CN109537359A (en) * | 2018-11-30 | 2019-03-29 | 浙江金昌特种纸股份有限公司 | A kind of preparation method of high grease resistance abrasive base paper |
| CN109719634B (en) * | 2018-11-30 | 2020-05-22 | 浙江金昌特种纸股份有限公司 | Preparation method of long-life high-precision abrasive paper base paper |
| CN110791997B (en) * | 2019-11-22 | 2020-08-04 | 山东华沙新材料有限公司 | Back coating for anti-slip coating on back surface of paper for coating abrasive tool and method for preparing paper for coating abrasive tool by using back coating |
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