CN104213463B - Paper manufactured with pulp by carboxymethylcellulose modified nanometer titania and preparation method thereof - Google Patents
Paper manufactured with pulp by carboxymethylcellulose modified nanometer titania and preparation method thereof Download PDFInfo
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- CN104213463B CN104213463B CN201410486457.8A CN201410486457A CN104213463B CN 104213463 B CN104213463 B CN 104213463B CN 201410486457 A CN201410486457 A CN 201410486457A CN 104213463 B CN104213463 B CN 104213463B
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 229920002134 Carboxymethyl cellulose Polymers 0.000 title claims abstract description 44
- 235000010948 carboxy methyl cellulose Nutrition 0.000 title claims abstract description 44
- 239000001768 carboxy methyl cellulose Substances 0.000 title claims abstract description 40
- 239000008112 carboxymethyl-cellulose Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000000243 solution Substances 0.000 claims abstract description 19
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims abstract description 10
- 239000007864 aqueous solution Substances 0.000 claims abstract description 7
- 238000007605 air drying Methods 0.000 claims abstract 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 45
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 238000007598 dipping method Methods 0.000 claims description 8
- 239000012467 final product Substances 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims description 3
- -1 Methylcellulose modified nano-titanium dioxide Chemical class 0.000 claims description 2
- 229920000609 methyl cellulose Polymers 0.000 claims 1
- 239000001923 methylcellulose Substances 0.000 claims 1
- 235000019441 ethanol Nutrition 0.000 abstract 2
- 238000003618 dip coating Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000004513 sizing Methods 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000000945 filler Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 229910010413 TiO 2 Inorganic materials 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 3
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000003115 biocidal effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- GMMZXKSNKIUKOW-UHFFFAOYSA-N [O-2].[O-2].[Ti+4].C(C)O Chemical compound [O-2].[O-2].[Ti+4].C(C)O GMMZXKSNKIUKOW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- VJHCJDRQFCCTHL-UHFFFAOYSA-N acetic acid 2,3,4,5,6-pentahydroxyhexanal Chemical compound CC(O)=O.OCC(O)C(O)C(O)C(O)C=O VJHCJDRQFCCTHL-UHFFFAOYSA-N 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 159000000013 aluminium salts Chemical class 0.000 description 1
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 1
- 230000001458 anti-acid effect Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Paper (AREA)
Abstract
The invention relates to paper manufactured with pulp by carboxymethylcellulose modified nanometer titania. The paper is prepared by the following steps that (1) aluminum sulfate is prepared to form an aqueous solution with mass concentration of 5%-20%, filter paper is impregnated for one to three minutes, and the filter paper is dried at the temperature of 100 DEG C to 105 DEG C and numbered; (2) carboxymethylcellulose with concentration of 5%-9% is added into ethyl alcohol, nanometer titania is added and dispersed in a carboxymethylcellulose-ethyl alcohol solution in a ratio of nanometer titania to carboxymethylcellulose being (1:1)-(1:4) to obtain the carboxymethylcellulose-ethyl alcohol solution with the nanometer titania, and the filter paper impregnated in aluminum sulfate in the step (1) is subjected to dip-coating in the carboxymethylcellulose-nanometer titania ethanol solution for many times; then air drying is performed for 24 hours to 48 hours to obtain the paper.
Description
Technical field
The present invention relates to a kind of be filled with the paper manufactured paper with pulp, the paper that particularly a kind of Modified by Carboxymethyl Cellulose nano titanium oxide is manufactured paper with pulp.
Background technology
Carboxymethyl cellulose, is the carboxymethyl group substitution product of cellulose.According to its molecular weight or replacement degree, can be polymer be completely dissolved or insoluble, the latter can be as weak-type cationite, to Separation of Neutral or alkaline protein etc..Carboxymethyl cellulose can form high-viscosity colloid, solution, have the characteristic such as adhesion, thickening, flowing, emulsion dispersion, figuration, water conservation, protecting colloid, film forming, acidproof, salt tolerant, suspended; and physiological harmlessness, therefore it is used widely in the production of the fields such as food, medicine, daily use chemicals, oil, papermaking, weaving, building.
Carboxymethyl cellulose（CMC it is) nonpoisonous and tasteless white flock powder, stable performance is soluble in water, its aqueous solution is neutral or alkaline clear viscous liquids, dissolves in other water-soluble glues and resin, insoluble in organic solvents such as ethanol.CMC can be used as binding agent, thickening agent, suspending agent, emulsifying agent, dispersant, stabilizer, sizing agent etc..Paper smooth agent, sizing agent can be made in paper industry for paper industry CMC.In paper pulp, add 0.1%～0.3% CMC that strengthening for paper tension stress 40%～50%, resistance to compression rupture degree can be made to increase by 50%, rubbing increases 4～5 times.
In recent years, with China's rapid development of economy, the raising that people live with educational level, the progress of science and technology have promoted extensive application of the special paper kind as new material in each field.Some particular fillers can give paper special performance, for example, magnetic, photocatalytic, anti-flammability, antibiotic property, electric conductivity, deodorization, high loosing character, hot buffering/thermal insulation, Photoluminescence, making to be filled with paper becomes speciality paper to meet demand of the people to the more new capabilities of paper
But, it is filled with paper and also paper quality and paper industry production is adversely affected, the paper being filled with, as filler is scattered between fiber, make the short texture porous of paper, reduce interfibrous contacting with each other and hydrogen bonded, decline the physical strength of paper, it is filled with, and increase paper pore, the absorbability of paper is improve, reduces the dilatation and water retention property of paper, being filled with can also reduce the degree of sizing of paper, and especially harm of the alkaline filler to acid applying glue is bigger.
Nano titanium oxide TiO2 has very strong " Superhydrophilic ", is difficult to form the globule on its surface, and nano TiO 2 can be acted on to Hydrocarbon under visible light illumination.Last layer nano TiO 2 thin layer can be applied on the surface of glass, ceramics and ceramic tile using such a effect, organic pollution that just can be absorption in titania surface using the light-catalyzed reaction of titanium oxide is decomposed into CO2 and O2, together can be clean by rain drop erosion with remaining inorganic matters, so as to realize self-cleaning function.Tokyo someone laboratory development success self-cleaning ceramic tile, there is a thin layer nano TiO 2 on the surface of this new product, any pickup material on the surface, including greasy dirt, antibacterial under the irradiation of light, due to the catalytic action of nano TiO 2, these hydrocarbon materials can be made further to aoxidize and to be become gas or be easy to the material being rubbed off.Nano-TiO_2 photocatalysis act on and cause the glass of skyscraper, the ceramic tile of the easy pickup in kitchen, automobile rearview mirror and all easily can carry out keeping a public place clean for front screen.
Paper manufactures paper with pulp to be formed on paper machine, drainage and formation of the l Water Paper page in wet end, then Jing squeezings and the further reinforcing of drying section dehydration are formed.Add mineral filler not only to can be used to improve the optical property of paper, smoothness and printing printability etc. in paper-making process, and energy saving, cut down the consumption of raw materials, improve paper product performance and yield, it is widely used in field of papermaking.
Current paper internal sizing agent mainly has gum rosin, Pexol, dispersion rosin size, Petropols glue, wax size etc., wherein rosin-based size and Petropols class sizing agent are mainly used in acid copy paper, it is poor to filler modified effect, it is difficult to reach the requirement of industrialized production.Therefore it is highly desirable to find a kind of filler modified method, while paper performance is strengthened, give paper good sizing.
The content of the invention：
It is to reduce its dysgenic effective way to carry out surface to nano titanium oxide modified.With the potassium salt or sodium salt of carboxymethyl cellulose and the complex of starch or aluminium salt to nano-titanium dioxide modified, the complex on modified nano titanium oxide surface can provide binding site for modifying agent, can improve the sizing efficiency of carboxymethyl cellulose to a certain extent.
The present invention is filled with the negative effect to paper to reduce nano titanium oxide, improves which to copy paper adaptability, gives paper more properties.A kind of Modified by Carboxymethyl Cellulose nano titanium oxide is have developed, is made surface modified and is filled with to unite two into one, alleviate and be filled with the damage to paper, improve the performance of paper.The roughness of paper surface by the way of Modified by Carboxymethyl Cellulose nano titanium oxide, is significantly improved, paper surface energy is reduced, the paper static contact angle after process is substantially increased, obtain good hydrophobic performance.It is the preparation method process is simple that adopted, with low cost, with practical value.
To achieve these goals, the present invention is adopted the following technical scheme that：
The paper that a kind of Modified by Carboxymethyl Cellulose nano titanium oxide is manufactured paper with pulp, is prepared as follows：（1）Aluminum sulfate is made into into the aqueous solution that mass concentration is 5%-20% first, after impregnated paper 1-3min, by filter paper in 100-105oDrying numbering under C；（2）By concentration for 5-9% carboxymethyl cellulose in ethanol, by nano titanium oxide:Carboxymethyl cellulose=1：1~1：4 ratio adds nano titanium oxide to be scattered in carboxymethyl cellulose-ethanol solution, obtains the carboxymethyl cellulose-ethanol solution containing nano titanium oxide, by step（1）Described in Jing aluminum sulfate dipping filter paper, in the ethanol solution of the carboxymethyl cellulose-nano titanium oxide lifting dipping for several times；Afterwards, 24-48h is first air-dried, is obtained final product.
Preferably, step（2）Described Modified by Carboxymethyl Cellulose nano titanium oxide is coated by middle coating scraper in its surface, and coating weight will be controlled to 5-10g/m2
Preferably, step（2）Described Modified by Carboxymethyl Cellulose nano titanium oxide is coated by middle coating scraper in its surface, and coating weight will be controlled to 8g/m2
Preferably, by the carboxymethyl cellulose containing nano titanium oxide-ethanol solution sonic oscillation 5-10min.
Preferably, the filter paper after the lifting dipping is dried into 15-20min in constant temperature blast drying oven in 100 DEG C -105 DEG C.
A kind of Modified by Carboxymethyl Cellulose nano titanium oxide, consists of carboxymethyl cellulose 8-12 parts, nano titanium oxide 2-3 parts, ethanol 90-85 parts；Prepare as follows：（1）Aluminum sulfate is made into into the aqueous solution that mass concentration is 5%-20% first, after impregnated paper 1-3min, by filter paper in 100-105oDrying numbering under C；（2）By concentration for 5-9% carboxymethyl cellulose in ethanol, by nano titanium oxide:Carboxymethyl cellulose=1：1~1：4 ratio adds nano titanium oxide to be scattered in carboxymethyl cellulose-ethanol solution, obtains final product.
The invention has the advantages that：
（1）Reduce nano titanium oxide and be filled with the negative effect to paper, alleviate nano titanium oxide and be filled with the damage to paper, which is improved to copy paper adaptability
（2）The roughness of the paper surface that Modified by Carboxymethyl Cellulose nano titanium oxide is manufactured paper with pulp is improve, its surface energy is reduced, the paper static contact angle after processing is dramatically increased, high waterproof paper is obtained
（3）Paper is giving the higher water-resistance of paper simultaneously, and also paper has antibiotic property, lyophobic performance and very strong anti acid alkali performance energy.
（4）The nano titanium oxide filler that may not apply to originally acid copy paper is used in acid condition, save the cost of acid copy paper.
Description of the drawings
Fig. 1 Modified by Carboxymethyl Cellulose nano titanium oxide consumptions are on the hydrophobic impact of handsheet paper
Fig. 2 is the static contact angle of the paper that different process is manufactured paper with pulp
Wherein, a. absorbent paper, b. are commonly manufactured paper with pulp paper, and c. embodiments 1 are manufactured paper with pulp paper, the paper that d. embodiments 2 are manufactured paper with pulp.
Specific embodiment
The present invention will be further elaborated below in conjunction with the accompanying drawings.It should be noted that the description below is not merely to the explanation present invention, is defined to its content.
Embodiment 1：
The paper that a kind of Modified by Carboxymethyl Cellulose nano titanium oxide is manufactured paper with pulp, is prepared as follows：
（1）Aluminum sulfate is made into into the aqueous solution that mass concentration is 5% first, after impregnated paper 1min, by filter paper 100oDrying numbering under C；
（2）By carboxymethyl cellulose that concentration is 5% in ethanol, by nano titanium oxide:Carboxymethyl cellulose=1：1 ratio adds nano titanium oxide to be scattered in carboxymethyl cellulose-ethanol solution, obtains the carboxymethyl cellulose-ethanol solution containing nano titanium oxide, by step（1）Described in Jing aluminum sulfate dipping filter paper, in the ethanol solution of the carboxymethyl cellulose-nano titanium oxide lifting dipping for several times；Afterwards, 24h is first air-dried, is obtained final product.
Embodiment 2：
The paper that a kind of Modified by Carboxymethyl Cellulose nano titanium oxide is manufactured paper with pulp, is prepared as follows：
（1）Aluminum sulfate is made into into the aqueous solution that mass concentration is 20% first, after impregnated paper 3min, by filter paper 105oDrying numbering under C；（2）By carboxymethyl cellulose that concentration is 9% in ethanol, by nano titanium oxide:Carboxymethyl cellulose=1：4 ratio adds nano titanium oxide to be scattered in carboxymethyl cellulose-ethanol solution, 8 min of sonic oscillation obtains the carboxymethyl cellulose-ethanol solution containing nano titanium oxide, carboxymethyl cellulose-the ethanol solution of preparation is coated in its surface with coating scraper, coating weight will be controlled to 8g/m2；Afterwards, the filter paper after the lifting dipping is dried into 15min in constant temperature blast drying oven in 105 DEG C, is obtained final product.
Experiment material
Filter paper is purchased from Shijiazhuang capital Photar Paper Co., Ltd, and remaining chemical drugs is commercially available industrial goods, purchased from Shanghai Lang Rui fine chemicals company limited.All experimental determining methods：GB/T1548-2004 standards are pressed.
Experimental data
1 different impacts of the papermaking process to paper fibre form of table
Table 1
Effect of different process on fiber morphology
| Type of stock | L(n)/mm | W(n)/μm | Fines(n)/% | Fibercurl/% |
| Absorbent paper | 4.7 | 14.72 | 10.04 | 15.6 |
| Commonly manufacture paper with pulp paper | 4.6 | 14.35 | 10.53 | 15.5 |
| The paper that embodiment 1 is manufactured paper with pulp | 4.6 | 14.30 | 10.69 | 15.8 |
| The paper that embodiment 2 is manufactured paper with pulp | 4.8 | 14.28 | 10.67 | 15.6 |
2 different impacts of the papermaking process to the intensity of paper of table
Table 2
Effect of different process on paper properties
| Type of stock | Tensile index Nm/g | Tearability mNm2/g | Bursting strength kPam2/g |
| Absorbent paper | 38.28 | 3.96 | 2.65 |
| Commonly manufacture paper with pulp paper | 34.75 | 3.84 | 2.64 |
| The paper that embodiment 1 is manufactured paper with pulp | 32.96 | 3.93 | 2.59 |
| The paper that embodiment 2 is manufactured paper with pulp | 32.51 | 3.88 | 2.56 |
3 different impacts of the carboxymethyl cellulose consumption to the static contact angle of paper of table
Table 3
Effect of different dosage on contact angle of treated paper
| Carboxymethyl cellulose consumption | Static contact angle DEG C |
| 5% | 111 |
| 6% | 129 |
| 7% | 135 |
| 8% | 139 |
| 9% | 141 |
Although the above-mentioned accompanying drawing that combines is described to the specific embodiment of the present invention; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme, various modifications that those skilled in the art are made by need not paying creative work or deformation are still within protection scope of the present invention.
Claims (5)
1. the paper that a kind of Modified by Carboxymethyl Cellulose nano titanium oxide is manufactured paper with pulp, it is characterised in that prepare as follows：
(1) aluminum sulfate is made into into the aqueous solution that mass concentration is 5%-20% first, after impregnated paper 1-3min, filter paper is existed
Drying numbering at 100-105 DEG C；
(2) carboxymethyl cellulose by concentration for 5-9% is dissolved in ethanol, by nano titanium oxide:Carboxymethyl cellulose=1：
1～1：4 ratio adds nano titanium oxide to be scattered in carboxymethyl cellulose-ethanol solution, and acquisition contains nano titanium oxide
Carboxymethyl cellulose-ethanol solution, by Jing aluminum sulfate described in step (1) impregnate filter paper, in the carboxymethyl cellulose
In the ethanol solution of-nano titanium oxide, lifting impregnates for several times；Afterwards, 24-48h is air-dried, is obtained final product.
2. the paper that Modified by Carboxymethyl Cellulose nano titanium oxide according to claim 1 is manufactured paper with pulp, is characterized in that, step
(2) " lifting dipping " the available following technique of operation described in is substituted, and is comprised the following steps that：With coating scraper by described carboxylic
Methylcellulose modified nano-titanium dioxide is coated in its surface, and coating weight will be controlled to 5-10g/m2。
3. the paper that Modified by Carboxymethyl Cellulose nano titanium oxide according to claim 2 is manufactured paper with pulp, is characterized in that, described
The coating of " described Modified by Carboxymethyl Cellulose nano titanium oxide being coated in its surface with coating scraper "
Amount is controlled to 8g/m2。
4. the paper that Modified by Carboxymethyl Cellulose nano titanium oxide according to claim 1 is manufactured paper with pulp, is characterized in that, will contain
There is the carboxymethyl cellulose-ethanol solution sonic oscillation 5-10min of nano titanium oxide.
5. the paper that Modified by Carboxymethyl Cellulose nano titanium oxide according to claim 1 is manufactured paper with pulp, is characterized in that, described
" air-drying " operation can use following technique to be replaced, and concretely comprise the following steps " by the filter paper after the lifting dipping in constant temperature air blast
Drying baker is dried 15-20min in 100 DEG C -105 DEG C ".
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410486457.8A CN104213463B (en) | 2014-09-23 | 2014-09-23 | Paper manufactured with pulp by carboxymethylcellulose modified nanometer titania and preparation method thereof |
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| CN201410486457.8A CN104213463B (en) | 2014-09-23 | 2014-09-23 | Paper manufactured with pulp by carboxymethylcellulose modified nanometer titania and preparation method thereof |
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| CN104213463B true CN104213463B (en) | 2017-03-22 |
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| CN107237207A (en) * | 2017-06-28 | 2017-10-10 | 徐州力志纤维素科技有限公司 | The paper that a kind of utilization Modified by Carboxymethyl Cellulose nano titanium oxide is manufactured paper with pulp |
| CN107385994A (en) * | 2017-07-12 | 2017-11-24 | 广东工业大学 | A kind of reinforcement means of aging paper strengthening agent and aging paper |
| CN110041566A (en) * | 2019-04-30 | 2019-07-23 | 重庆大学 | Sodium carboxymethylcellulose/modification boron nitride nanosheet mixed dispersion liquid and preparation method thereof |
| CN111663368B (en) * | 2020-06-16 | 2022-06-28 | 北京林业大学 | Preparation method of high-strength antibacterial coated paper |
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