CN100585073C - High performance wall paper base paper pulp and process for manufacturing the wall paper base paper using the pulp - Google Patents
High performance wall paper base paper pulp and process for manufacturing the wall paper base paper using the pulp Download PDFInfo
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- CN100585073C CN100585073C CN200810163659A CN200810163659A CN100585073C CN 100585073 C CN100585073 C CN 100585073C CN 200810163659 A CN200810163659 A CN 200810163659A CN 200810163659 A CN200810163659 A CN 200810163659A CN 100585073 C CN100585073 C CN 100585073C
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Abstract
The invention discloses a high-performance wallpaper base paper pulp and a process which uses the pulp to produce wallpaper base paper, the base paper pulp is formed by sizing agent and accessory, the sizing agent is formed by the combination of coniferous bleaching chemical wood pulp, latifoliate bleaching chemical wood pulp and coniferous bleaching chemical thermomechanical pulp; and the accessory is formed by the combination of intra-pulp starch, filling, intra-pulp sizing agent, surface sizing agent, wet strength agent and retention aid. By adopting the invention, bubble points generated by the wallpaper base paper in the PVC scratching and painting process can be greatly reduced, and the bonding strength between a PVC coating and the paper surface and the stability of the paper in wet deformation are improved, thus overcoming the shortcoming of the prior art, simultaneously, reducing the production cost and industrial pollution of the wallpaper base paper. The wallpaper base paper produced by the process has high dry and wet strength, good dimension stability, good loose depth, high opacity, and difficult yellowing. The used sizing agent is mainly high-yield APMP, forest resources are saved, pollution load is low, and the invention has better generalization significant to the current situation that the cost of domestic current paper making industry remains high, forest resources are lacked, and the pollution of paper making industry is severe.
Description
Technical field
The present invention relates in a kind of paper industry, the factory formula of hanging raw stock and technology are specifically related to a kind of high-performance wallpaper base paper pulp and use the technology that this paper pulp carries out hanging raw stock production.
Background technology
Wallpaper belongs to the decorative kind converted paper, being mainly used in the decoration of metopes such as hotel, restaurant, shop, meeting room and household. it is for being bonded into film with resin, plastics, and adding filler, pigment and other complementary raw material are made thermoplastic coating, adopt gas print roll coating method again and roll compound, method such as calendering foaming etc. to combine, process through the fine arts such as embossing, stamp or foaming decoration again with body paper.Hanging raw stock is the base material of wallpaper, and its performance indications directly influence the later stage ornamenting processing of wallpaper and lay effect after finishing.Its major technology index comprises: quantitatively, thickness, tensile strength, smoothness, whiteness, opacity, water imbibition, green deformation etc.
The wallpaper of Chu Shouing is various in style in the market, and wherein polyvinyl chloride glue surface wallpaper (PVC wallpaper) advantages such as pattern is various because of having, price suitable, scraping and wiping resistance performance is good are most widely used, and its volume of production and marketing accounts for more than 80% of whole wallpaper output.But at present homemade medium-to-high grade wallpaper with body paper in a large number from state's imports such as Finland, Germany, import volume accounts for domestic hanging raw stock and uses 35% of total amount, increased the production cost of homemade PVC wallpaper, compared to the import hanging raw stock, present homemade hanging raw stock in the subject matter that exists qualitatively is: occur bubble point, layering, the easy brightness reversion of one-tenth paper during coating PVC easily, one-tenth paper expansion and contraction is big etc.; And on production technology, tradition hanging raw stock product is general to be raw material with 50% change machine slurry and part chemical wood pulp. change machine slurry through high temperature disappear for, washing, pull an oar and processing after chemical pulp mix, add sizing agent, reinforcing agent, filler, after the shaping of paper machine, again through promptly becoming the hanging raw stock finished product behind top sizing and the soft calendaring. the weak point of its production technology is that the cost of slurry is higher, industrial pollution is serious, and quality of finished paper is difficult to reach customer requirements.In order to ensure paper green deformation stability, the beating degree of change machine slurry can only be controlled at about 35 ° of SR, because change machine slurry beating degree is low, fiber is stiff, and it is poor to make into the paper adhesion, very easily produces layering, and stiff fiber easily easily forms bubble point in coating process.
Summary of the invention:
Goal of the invention of the present invention, be that the performance indications that exist at the present hanging raw stock described in the background technology are desirable not to the utmost, cost is higher, the technological deficiency that industrial pollution is bigger, improve a kind of high-performance wallpaper base paper pulp and used the technology that this paper pulp carries out hanging raw stock production, adopt the present invention can significantly reduce the bubble point that hanging raw stock produces in PVC blade coating process, improve the bond strength and the stability of paper in green deformation of PVC coating and paper, to overcome the prior art deficiency, greatly reduce the production cost and the industrial pollution of hanging raw stock simultaneously.
For achieving the above object, the technical solution used in the present invention is:
A kind of high-performance wallpaper base paper pulp is made of slurry and auxiliary material, and described slurry is constituted by needle bleached wood pulp, broad-leaved bleached wood pulp, needle bleached chemical thermomechanical pulp; Described auxiliary material is constituted by starch, filler, internal sizing agent, Cypres, wet strength agent, retention agent in the slurry.
Further, in the described slurry, by percentage to the quality, the proportioning of various components in described hanging raw stock paper pulp is: needle bleached wood pulp 20%-25%; Broad-leaved bleached wood pulp 10%-15%; Needle bleached chemical thermomechanical pulp 40%-80%.
Further, in the described auxiliary material, described Cypres comprises Cypres A and Cypres B; Described retention agent comprises retention agent C and retention agent D, and by percentage to the quality, the proportioning of various components in described hanging raw stock paper pulp is: starch 0.5%-2% in the slurry; Filler 20%-25%; Internal sizing agent 1%-4%; Cypres A2.5%-3.0%; Cypres B0.2%-0.4%; Wet strength agent 2.5%-3.0%; Retention agent C is 30-100ppm; Retention agent D is 0.15%-0.25%.
Further, in the described slurry, the freedom of its needle bleached chemical thermomechanical pulp is 150-350CSF.
Further, in the described auxiliary material, affiliated internal sizing agent is AKD, and described filler is a calcium carbonate.
Further, in the described auxiliary material, stating Cypres A is oxidized starch; Described Cypres B is CMC.
As preferably, in the described auxiliary material, starch is cationic starch in the described slurry, and described wet strength agent is PAE, and described retention agent C is PAM, and described retention agent D is a Ludox.
Use a kind of high-performance wallpaper base paper pulp of the present invention and carry out the technology that hanging raw stock is produced, its technological process is:
A, needle bleached wood pulp, broad-leaved bleached wood pulp, needle bleached chemical thermomechanical pulp are mixed with slurry by described wet end furnish;
B, will starch in starch, filler, internal sizing agent, Cypres A, Cypres B, wet strength agent, retention agent C and retention agent D be formulated as auxiliary material according to described ratio of adjuvant;
C, described slurry and auxiliary material mixed after, constitute described hanging raw stock paper pulp, described body paper paper pulp is added entry, and to be modulated into online concentration be the online slurry of 0.6-0.9%, through fourdrinier wire dehydration, press dewatering, oven dry,
Further, the beating degree of described needle bleached wood pulp, broad-leaved bleached wood pulp is 20-35 ° of SR; The beating degree of described needle bleached chemical thermomechanical pulp is 40-60 ° of SR.
Among the present invention, the implication of general word is in the every profession and trade:
Bleached chemical thermomechanical pulp: i.e. BCTMP: it is with gentle chemicals dipping, through correct grinding, a kind of high yield wood pulp after the bleaching.The needle pulp brightness can reach 80%, broad-leaved pulp brightness about 85%.
BCTMP has following advantage: slurry yield height, lower production cost, environmental pollution be little, become paper to have higher bulk, the advantage of opacity and deflection.
PAE: wet strength agent for papermaking a kind of, belong to water-soluble, CATION, thermosetting resin, be another wet strength agent principal item behind present normally used Lauxite, melmac and polyamine.This product is applicable to that various requirement has the paper of wet strength performance, as: decorating base paper, napkin paper, asbestos base paper, filter paper, tea bag paper, titanium white paper, wallpaper, map paper, chart paper, art paper, medical and health paper, corrugated paper, refrigeration package case paper, warm nursery paper, various fruit paper bag, carnivorous vegetables paper, liquid food packing with wet pretend usefulness special with paper etc. of paper and various needs.
PAM: i.e. polyacrylamide, effect is the quality that can improve paper, improves the de-watering of slurries performance, improves the retention of fiber fines and filler, reduces raw-material consumption and to the pollution of environment etc.The effect of using in papermaking depends on the activity of its mean molecule quantity, ionic nature, ionic strength and other copolymer.Nonionic PAM is mainly used in the filter that improves paper pulp, increases dried paper intensity, improves the retention of fiber and filler; Anionic copolymer is mainly as wet reinforcing agent of doing of paper and presence agent; Cationic copolymer is mainly used in paper waste and handles and filtrating aid function, for the retention that improves filler effect is preferably arranged also in addition.In addition, PAM also is applied to paper waste processing and fiber recovery.
CMC: i.e. sodium carboxymethylcellulose, it is a kind of water-soluble cellulose ether, great majority aqueous solution preparation viscosity commonly used is changed between the 5000cP at 5cP, and the simplification molecular formula of CMC is as follows: Cell-O-CH2-COONa CMC is reacted to each other by chloroacetic acid and alkali cellulose and gets.Alkali cellulose itself is produced by cellulose and NaOH reaction.The step of alkali cellulose is necessary for the reaction of simplifying between etherifying agent and the cellulose chain.The substitution value (DS) and the degree of polymerization (DP) are the typical index of each grade NaCMC.CMC can make paper smooth agent, sizing agent in paper industry.Add 0.1%～0.3% CMC and can make paper strengthen tension stress 40%～50% in paper pulp, resistance to compression degree of breaking increases by 50%, 4～5 times of rubbing property increases.
Beating degree and freedom: the mensuration to Pulp Drainage Properties has the whole bag of tricks, wherein obtains than extensive use with freedom and beating degree.North america and Japanese multiselect Canadian Standard Freeness, degree Schopper-Riegler then is accustomed to using by Europe and China, and freedom and beating degree are different just measures difference on the method for expressing.Every beating degree is bigger, and the freedom of paper stock is just little, and vice versa.In general, the freedom big paper stock of healing, drainage rate are faster.Used measuring instrument of Canadian Standard Freeness and degree Schopper-Riegler instrument are approximate, and freedom and beating degree can convert each other, and its conversion table is as follows:
The conversion table of Canadian Standard Freeness and degree Schopper-Riegler
Canadian Standard Freeness degree Schopper-Riegler Canadian Standard Freeness degree Schopper-Riegler
(ml) (°SR) (ml) (°SR)
25 90.0 425 30.0
50 80.0 450 28.5
75 73.2 475 26.7
100 68.0 500 25.3
125 63.2 525 23.7
150 59.0 550 22.5
175 54.8 575 21.0
200 51.5 600 20.0
225 48.3 625 18.6
250 45.4 650 17.5
275 43.0 675 16.5
300 40.3 700 15.5
325 38.0 725 14.5
350 36.0 750 13.5
375 34.0 775 12.5
400 32.0 800 11.5
Beneficial effect of the present invention is:
1, adopt 70% change machine slurry on the wet end furnish. after changing raw material mix,, given full play to the slurry characteristics of change machine slurry because change machine slurry ratio height has been created condition for raisingization machine beating degree.The greatest improvement part of its product is that the binding ability of product and PVC coating improves, and finished product wallpaper surface smoothing, exquisiteness have solved the PVC hanging raw stock and added in coating and produce layering and bubble point problem man-hour, have improved properties of product.
2, traditional handicraft will be through high temperature disappear latent, washing, making beating etc. to the processing of change machine slurry, and technical process is loaded down with trivial details, consumes a large amount of steam.And the raising machine that new technology adopts slurry beating degree guarantees pulp quality, has both improved refining pulp quality, has reduced the slurry processing cost again.
3, the production of traditional hanging raw stock is mainly carried out applying glue with rosin, plain boiled water is easy to generate a large amount of foams in the production process, sizability is also unstable, production process operation and constant product quality are impacted, owing to be under acidity, to manufacture paper with pulp, become the easy brightness reversion of paper, because the particularity of slurry slurrying of change machine and bleaching process, slurry contains a large amount of anionic trashes, though can add PAE in process of production as the anionic trash catcher, but the rosin ester micelle still can interact with anionic trash and PAE and generate condensation product, and sizing efficiency is descended.New technology adopts the AKD neutral sizing, and uses calcium carbonate instead and add and fill out, and it is fine and smooth to make into the paper surface, becomes paper thickness to increase, and has overcome the shortcoming that becomes the easy brightness reversion of paper.
4, traditional hanging raw stock product generally can only be starched by adapted 50% change machine, and new technology machine slurry ratio brings up to 70%, and production cost of products is descended, and has increased the economic benefit of product.And reduced the pollution of slurrying, saved timber resources.
The performance indications that the present invention is directed to the present hanging raw stock existence described in the background technology are desirable not to the utmost, cost is higher, the technological deficiency that industrial pollution is bigger, a kind of high-performance wallpaper base paper pulp is provided and has used the technology that this paper pulp carries out hanging raw stock production, adopt the present invention can significantly reduce the bubble point that hanging raw stock produces in PVC blade coating process, improve the bond strength and the stability of paper in green deformation of PVC coating and paper, to overcome the prior art deficiency, greatly reduce the production cost and the industrial pollution of hanging raw stock simultaneously, and manufacturing technique of the present invention is simple, low cost of manufacture.The hanging raw stock of using the present invention's production is done, wet strength is high, and DIMENSIONAL STABILITY is good, and bulk is good, and the opacity height is difficult for brightness reversion.Slurry therewith is mainly high yield machine slurry, saves the forest reserves, and pollutional load is low, and is high for domestic present paper industry cost, and forest resourceies scarcity and the serious present situation of industrial pollution caused by paper manufacturing have dissemination preferably.
The specific embodiment:
A kind of high-performance wallpaper base paper pulp is made of slurry and auxiliary material, and described slurry is constituted by needle bleached wood pulp, broad-leaved bleached wood pulp, needle bleached chemical thermomechanical pulp; Described auxiliary material is constituted by starch, filler, internal sizing agent, Cypres A, Cypres B, wet strength agent, retention agent C and retention agent D in the slurry.In the described slurry, by percentage to the quality, the proportioning of various components in described hanging raw stock paper pulp is: needle bleached wood pulp 20%-25%; Broad-leaved bleached wood pulp 10%-15%; Needle bleached chemical thermomechanical pulp 40%-80%.In the described auxiliary material, by percentage to the quality, the proportioning of various components in described hanging raw stock paper pulp is: starch 0.5%-2% in the slurry; Filler 20%-25%; Internal sizing agent 1%-4%; Cypres A2.5%-3.0%; Cypres B0.2%-0.4%; Wet strength agent 2.5%-3.0%; Retention agent D0.15%-0.25%.In the described slurry, the freedom of its needle BCTMP wood pulp is 150-350CSF.In the described auxiliary material, affiliated internal sizing agent is AKD, and described filler is a calcium carbonate.In the described auxiliary material, stating Cypres A is oxidized starch; Described Cypres B is CMC.In the described auxiliary material, starch is cationic starch in the described slurry, and described wet strength agent is PAE, and described retention agent C is PAM, and described retention agent D is a Ludox.
Use a kind of high-performance wallpaper base paper pulp of the present invention and carry out the technology that hanging raw stock is produced, its technological process is:
A, needle bleached wood pulp, broad-leaved bleached wood pulp, needle bleached chemical thermomechanical pulp are mixed with slurry by described wet end furnish;
B, will starch in starch, filler, internal sizing agent, Cypres A, Cypres B, wet strength agent, retention agent C and retention agent D be formulated as auxiliary material according to described ratio of adjuvant;
C, described slurry and auxiliary material mixed after, constitute described hanging raw stock paper pulp, described body paper paper pulp is added entry, and to be modulated into online concentration be the online slurry of 0.6-0.9%, through fourdrinier wire dehydration, press dewatering, oven dry,
In the present invention, the beating degree of described needle bleached wood pulp, broad-leaved bleached wood pulp is 20-35 ° of SR; The beating degree of described needle BCTMP wood pulp is 40-60 ° of SR.
What must note is, the specific embodiment only is to of the present invention further specifying and non-limiting, and any employing the present invention spirit and only structure of the present invention is made simple transformation is still in protection scope of the present invention.
Claims (5)
1, a kind of high-performance wallpaper base paper pulp is made of slurry and auxiliary material, it is characterized in that: described slurry is constituted by needle bleached wood pulp, broad-leaved bleached wood pulp, needle bleached chemical thermomechanical pulp; Described auxiliary material is constituted by starch, filler, internal sizing agent, Cypres, wet strength agent, retention agent in the slurry, and described filler is a calcium carbonate, and described internal sizing agent is AKD; In the described slurry, in the percentage of slurry and auxiliary material quality sum, the proportioning of various components is: needle bleached wood pulp 20%-25%; Broad-leaved bleached wood pulp 10%-15%; Needle bleached chemical thermomechanical pulp 40%-80%; In the described auxiliary material, in the percentage of slurry and auxiliary material quality sum, the proportioning of filler and internal sizing agent is: calcium carbonate 20---25%, and AKD is 1%-4%.
2, a kind of high-performance wallpaper base paper pulp according to claim 1, it is characterized in that: in the described auxiliary material, described Cypres comprises oxidized starch and CMC; Described retention agent comprises PAM and Ludox, and by percentage to the quality, the proportioning of various components in described hanging raw stock paper pulp is: starch is 0.5%-2% in the slurry; Oxidized starch is 2.5%-3.0%; CMC is 0.2%-0.4%; Wet strength agent is 2.5%-3.0%; PAM is 30-100ppm; Ludox is 0.15%-0.25%.
3, a kind of high-performance wallpaper base paper pulp according to claim 1 is characterized in that: in the described slurry, the freedom of its needle bleached chemical thermomechanical pulp is 150-350CSF.
4, use a kind of high-performance wallpaper base paper pulp as claimed in claim 2 and carry out the technology that hanging raw stock is produced, its technological process is:
A, needle bleached wood pulp, broad-leaved bleached wood pulp, needle bleached chemical thermomechanical pulp are mixed with slurry by described wet end furnish;
B, will starch in starch, calcium carbonate, AKD, oxidized starch, CMC, wet strength agent, PAM and Ludox be formulated as auxiliary material according to described ratio of adjuvant;
C, described slurry and auxiliary material mixed after, constitute described hanging raw stock paper pulp, described body paper paper pulp is added entry, and to be modulated into online concentration be the online slurry of 0.6-0.9%, through fourdrinier wire dehydration, press dewatering, oven dry, top sizing, press polish ornamenting, rolls at last and be hanging raw stock.
5, the technology of hanging raw stock production according to claim 4, it is characterized in that: the beating degree of described needle bleached wood pulp, broad-leaved bleached wood pulp is 20-35 ° of SR; The beating degree of described needle bleached chemical thermomechanical pulp is 40-60 ° of SR.
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Families Citing this family (19)
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| CN101624795B (en) * | 2009-08-07 | 2011-06-01 | 山东齐峰特种纸业股份有限公司 | Gold and silver piece color intrigue decorative paper and manufacturing method thereof |
| CN102154935B (en) * | 2010-12-31 | 2012-02-01 | 中冶纸业银河有限公司 | Light paper made by blending complete high-yield pulp and papermaking technology thereof |
| CN102174768B (en) * | 2011-02-28 | 2013-02-13 | 杭州华旺新材料科技有限公司 | Production process of low ink consumption type decorative base paper |
| CN102251432A (en) * | 2011-06-30 | 2011-11-23 | 德州泰鼎新材料科技有限公司 | Method for improving overall performance of decorative base paper |
| CN102330378A (en) * | 2011-09-16 | 2012-01-25 | 衢州五洲特种纸业有限公司 | Production process of decorative base paper |
| CN102587197B (en) * | 2012-01-12 | 2014-06-18 | 金东纸业（江苏）股份有限公司 | Paper stock and preparation method thereof as well as paper manufactured by applying paper stock |
| CN104005260A (en) * | 2013-02-21 | 2014-08-27 | 甘木林 | Wallpaper base produced with recycled pulp |
| CN103147359A (en) * | 2013-03-19 | 2013-06-12 | 郭漫笳 | Hanging raw stock added with tea dust and tea polyphenol and manufacturing method thereof |
| CN103397566B (en) * | 2013-08-13 | 2016-03-09 | 福建圣莉雅环保壁纸有限公司 | A kind of method utilizing recycled pulp to manufacture hanging raw stock |
| CN104480777B (en) * | 2014-11-13 | 2019-01-04 | 金华盛纸业（苏州工业园区）有限公司 | A kind of hanging raw stock and its production method |
| CN107299555A (en) * | 2016-04-15 | 2017-10-27 | 轻工业杭州机电设计研究院 | High-strength seam connecting belt body paper and preparation method thereof |
| CN107313304B (en) * | 2017-08-31 | 2021-10-19 | 山东仁丰特种材料股份有限公司 | Non-woven wallpaper with high dimensional stability and low cost |
| CN107460787A (en) * | 2017-08-31 | 2017-12-12 | 山东仁丰特种材料股份有限公司 | Opaque environmentally friendly nonwoven wallpaper |
| CN107604745A (en) * | 2017-09-28 | 2018-01-19 | 广西华洋矿源材料有限公司 | A kind of technique for preparing wallpaper basic unit as filler by the use of modified calcium carbonate |
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| CN112176763B (en) * | 2020-09-07 | 2021-10-26 | 吴乐毅 | Preparation method of high-strength hydrophobic wallpaper |
| CN113846515B (en) * | 2021-10-07 | 2023-04-11 | 华南理工大学 | Paper easy to disperse in water and preparation method thereof |
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Effective date of registration: 20170517 Address after: 324000 No. 38 Jinxing Avenue, Longyou Industrial Park, Zhejiang, Quzhou Co-patentee after: Winbond ancient building new material Co. Ltd. Patentee after: Zhejiang Winbon Special Paper Co., Ltd. Address before: 324000 long economic and Technological Development Zone, Longyou County, Zhejiang Patentee before: Zhejiang Winbon Special Paper Co., Ltd. |
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