JPH03167387A - Production of paper - Google Patents
Production of paperInfo
- Publication number
- JPH03167387A JPH03167387A JP30811889A JP30811889A JPH03167387A JP H03167387 A JPH03167387 A JP H03167387A JP 30811889 A JP30811889 A JP 30811889A JP 30811889 A JP30811889 A JP 30811889A JP H03167387 A JPH03167387 A JP H03167387A
- Authority
- JP
- Japan
- Prior art keywords
- paper
- chitosan
- aqueous solution
- fibers
- papermaking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000000835 fiber Substances 0.000 claims abstract description 38
- 239000002002 slurry Substances 0.000 claims abstract description 24
- 230000002378 acidificating effect Effects 0.000 claims abstract description 8
- 229920001661 Chitosan Polymers 0.000 claims description 24
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 12
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 12
- 229920006318 anionic polymer Polymers 0.000 claims description 8
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 7
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 abstract description 17
- 238000007639 printing Methods 0.000 abstract description 15
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract description 12
- BDAGIHXWWSANSR-UHFFFAOYSA-N formic acid Substances OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 abstract description 4
- 125000000129 anionic group Chemical group 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 150000007524 organic acids Chemical class 0.000 abstract description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 abstract description 2
- 235000019253 formic acid Nutrition 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 8
- 240000000907 Musa textilis Species 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 7
- 229940105329 carboxymethylcellulose Drugs 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 4
- 238000010009 beating Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000004513 sizing Methods 0.000 description 4
- 239000011122 softwood Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 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 3
- 229920000642 polymer Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000238557 Decapoda Species 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001447 alkali salts Chemical class 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 2
- 229920006184 cellulose methylcellulose Polymers 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229920005615 natural polymer Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 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 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 244000198134 Agave sisalana Species 0.000 description 1
- 235000011624 Agave sisalana Nutrition 0.000 description 1
- 244000099147 Ananas comosus Species 0.000 description 1
- 235000007119 Ananas comosus Nutrition 0.000 description 1
- 229920002101 Chitin Polymers 0.000 description 1
- 241000238424 Crustacea Species 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 240000000249 Morus alba Species 0.000 description 1
- 235000008708 Morus alba Nutrition 0.000 description 1
- 241000234295 Musa Species 0.000 description 1
- 235000018290 Musa x paradisiaca Nutrition 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 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 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000000850 deacetylating effect Effects 0.000 description 1
- 230000006196 deacetylation Effects 0.000 description 1
- 238000003381 deacetylation reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229920000962 poly(amidoamine) Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- -1 sulfate ester groups Chemical group 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 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 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Paper (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、各種の高性能印刷機で高速印刷でき、和紙状
の風合いと外観を有する紙の製造方法に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for producing paper that can be printed at high speed using various high-performance printing machines and has a texture and appearance similar to Japanese paper.
〔従来の技術及び発明が解決しようとする課題〕従来、
製紙用繊維を主原料として嵩高に抄造された紙は、多孔
性、軽さ、柔軟さと強靭さを併せ持ち、いわゆる和紙状
の風合いと外観が高く評価されている。しかしながら、
その印刷適性は木材パルプから緻密に抄造された印刷用
洋紙や、さらに洋紙に塗工したコート紙等の加工紙に比
べると劣っている。特に、回転印刷機や輪転印刷機にて
印刷する際、紙粉と呼ばれる紙繊維の脱落や紙むけと呼
ばれる毛羽立ちが著しく、高速印刷には不適とされてい
る。[Problems to be solved by conventional techniques and inventions] Conventionally,
Bulky paper made from papermaking fibers as the main raw material is porous, light, flexible, and tough, and is highly valued for its so-called Japanese paper-like texture and appearance. however,
Its printability is inferior to printing paper made precisely from wood pulp, or processed paper such as coated paper, which is coated on western paper. In particular, when printing with a rotary printing press or a rotary printing press, paper fibers called paper dust drop off and fluffing called paper peeling occurs, making it unsuitable for high-speed printing.
紙粉や紙むけの従来の防止方法としては、次のような方
法が採用されている。The following methods have been adopted as conventional methods for preventing paper dust and paper peeling.
■原料繊維や叩解度を選択して、緊度の高い締まった紙
質とする方法。この方法は、証券用紙等に採用されてい
るが、多孔性や軽さ、柔軟さ等いわゆる和紙風の風合い
、外観が失われるという問題点がある。■A method of selecting raw material fibers and beatability to create a tight and tight paper quality. This method is used for securities paper, etc., but there is a problem in that the so-called Japanese paper-like texture and appearance, such as porosity, lightness, and flexibility, are lost.
■スーパーカレンダー処理等の熱圧ロールを用いて処理
する方法。この方法も上記■と同様の問題点がある。■A method of processing using a hot pressure roll such as super calender processing. This method also has the same problems as the above (2).
■無機粉末等の填料と合成ラテックス等のバインダーを
混合塗布又は含浸する方法。この方法では、特に多孔性
が失われるとともに、和紙と異質の外観に変化するとい
う問題点がある。■A method of mixing or impregnating a filler such as inorganic powder with a binder such as synthetic latex. This method has problems, particularly in that porosity is lost and the appearance changes to be different from that of Japanese paper.
■でんぷんやキトサン等の天然高分子を付着させる方法
。この方法は、付着量が多いと上記■と同様の問題点を
生じ、少ないと効果が小さいという問題点がある。■Method of attaching natural polymers such as starch and chitosan. This method has the problem that if the amount of adhesion is large, the same problem as described in (2) above occurs, and if the amount of adhesion is too small, the effect is small.
本発明の目的は、製紙用繊維を主原料として、多孔性、
軽さ及び柔軟性等の和紙状の風合いと外観を保持したま
ま、回転印刷機や輪転式印刷機による印刷で紙粉や紙む
けが発生しないように繊維間がしっかりと結合した紙の
製造方法を提供することにある。The purpose of the present invention is to use papermaking fibers as the main raw material to create porous,
A method for producing paper that maintains the texture and appearance of washi paper, such as lightness and flexibility, while tightly bonding the fibers to prevent paper dust and paper peeling from occurring when printing with a rotary printing machine or rotary printing machine. Our goal is to provide the following.
上記問題点を解決するために、本発明では靭皮繊維と葉
繊維とから選ばれた１種以上の製紙用繊維に、キトサン
酸性水溶液を含有する水性スラリーを添加した後、水溶
性アニオン性高分子物を添加して抄造するという手段を
採用している。In order to solve the above problems, in the present invention, an aqueous slurry containing an aqueous chitosan acid solution is added to one or more papermaking fibers selected from bast fibers and leaf fibers, and then a water-soluble anionic high A method of papermaking by adding molecular substances is adopted.
また、水溶性アニオン性高分子物はカルボキシメチルセ
ルロース又はその塩であることが好ましい。Further, the water-soluble anionic polymer is preferably carboxymethyl cellulose or a salt thereof.
次に、上記各構成について、詳細に説明する。Next, each of the above configurations will be explained in detail.
靭皮繊維としては、三唖、猪、雁皮、桑等の木本性靭皮
から得られたパルプ状繊維が好ましい。The bast fibers are preferably pulp-like fibers obtained from woody basts such as bast, boar, gampi, and mulberry.
この靭皮繊維は、和紙状の中でも独特の風合いや外観、
繊維光沢とともに、高度な強靭さを紙に付与することが
できる。This bast fiber has a unique texture and appearance even among Japanese paper-like materials.
It can impart a high degree of toughness to paper as well as fiber luster.
葉繊維としては、マニラ麻、サイザル麻、バナナ、パイ
ナップル等から得られたパルプ状繊維が好ましい。この
葉繊維は、多孔性、軽さ、柔軟性と適度の強靭性を紙に
付与する。As the leaf fiber, pulp fibers obtained from Manila hemp, sisal hemp, banana, pineapple, etc. are preferred. These leaf fibers provide paper with porosity, lightness, flexibility and moderate toughness.
上記靭皮繊維と葉繊維の紙中に占める重量割合は、高い
ほど上記の特長を紙質に付与するが、通常価格も高くな
る。この重量割合が２０重量％以上であれば、その比率
に応じて風合い、外観、その他の紙質が付与される。こ
の割合が低い場合には、その他の製紙用繊維として、木
材パルプ又はセルロース系化学繊維が通常混用される。The higher the weight ratio of the bast fibers and leaf fibers in the paper, the more the above-mentioned features will be imparted to the paper quality, but the price will also usually be higher. If this weight ratio is 20% by weight or more, texture, appearance, and other paper qualities will be imparted depending on the ratio. When this ratio is low, wood pulp or cellulose-based chemical fibers are usually mixed as other papermaking fibers.
次に、キトサン酸性水溶液について説明する。Next, the chitosan acidic aqueous solution will be explained.
キトサンはカニ、エビ等の甲殻類の外殻から酸、アルカ
リ処理等で得られたキチンを脱アセチル処理して得られ
るものである。色相が白色で不溶解物が含まれないもの
が良い。粘度や脱アセチル化度により効果に差があるが
、付着量の調整により殆ど補正できる。キトサンは無機
酸又は有機酸の水溶液とし製紙用繊維の水性スラリーに
加えて使用する。溶媒としては、蟻酸、酢酸、グリコー
ル酸等の有機酸の水溶液が好ましい。また、酢酸水溶液
に溶解した市販品も使用することができる。Chitosan is obtained by deacetylating chitin obtained from the outer shells of crustaceans such as crabs and shrimps by acid or alkali treatment. It is preferable that the color is white and does not contain any insoluble matter. The effect varies depending on the viscosity and degree of deacetylation, but most can be corrected by adjusting the amount of adhesion. Chitosan is used as an aqueous solution of an inorganic or organic acid and added to an aqueous slurry of papermaking fibers. As the solvent, an aqueous solution of an organic acid such as formic acid, acetic acid, or glycolic acid is preferable. Moreover, a commercially available product dissolved in an acetic acid aqueous solution can also be used.
このキトサン酸性水溶液を含有する水性スラリーの濃度
は、１〜３重量％であることが好ましく、さらに大量の
水で希釈して前記製紙用繊維の水性スラリーに混入する
。その混入量は製紙用繊維に対して０． １〜５重量％
が適当であり、０．３〜２重量％がさらに好適である。The concentration of the aqueous slurry containing the chitosan acidic aqueous solution is preferably 1 to 3% by weight, and the slurry is further diluted with a large amount of water and mixed into the aqueous slurry of papermaking fibers. The mixing amount is 0. 1-5% by weight
is suitable, and 0.3 to 2% by weight is more suitable.
混入した後はしばらく攪拌して均一なスラリーを調製す
る。After mixing, stir for a while to prepare a uniform slurry.
次に、水溶性アニオン性高分子物としては、天然高分子
の誘導体と合或高分子の誘導体がある。Next, water-soluble anionic polymers include derivatives of natural polymers and derivatives of synthetic polymers.
前者にはカルボキシメチルセルロースやカルボキシメチ
ルデンプン等の多糖類のカルボキシメチル誘導体やその
アルカリ塩が好適である。合或高分子誘導体には、ビニ
ル系やポリアクリル系高分子でカルボキシル基、硫酸エ
ステル基、スルホン酸基、リン酸基等で変性された水溶
性物質があげられ、具体的にはカルボキシル変性ポリア
クリルアミドやポリビニルアルコール硫酸エステル等の
アルカリ塩を使用することができる。最も好適なものと
しては、置換度０．５〜１． ２のカルボキシメチルセ
ルロースのナトリウム塩であって、濃度０． ５〜２．
０重量％の安定な水溶液が容易に調製できるものがよ
い。For the former, carboxymethyl derivatives of polysaccharides such as carboxymethyl cellulose and carboxymethyl starch and their alkali salts are suitable. Examples of polymer derivatives include water-soluble substances modified with carboxyl groups, sulfate ester groups, sulfonic acid groups, phosphoric acid groups, etc. with vinyl and polyacrylic polymers, and specifically, carboxyl-modified polymers. Alkali salts such as acrylamide and polyvinyl alcohol sulfate can be used. Most preferably, the degree of substitution is 0.5 to 1. 2, a sodium salt of carboxymethyl cellulose at a concentration of 0. 5-2.
It is preferable that a stable aqueous solution of 0% by weight can be easily prepared.
この水溶性アニオン性高分子物は、できるだけ低粘度に
希釈した水溶液を均一に混合するように攪拌しながら添
加するのが好ましい。この水溶性アニオン性高分子物を
キトサン酸性水溶液よりも先に添加すると、製紙用繊維
に付着しないので不適当である。さらに、例えば添加場
所を混合槽から抄網にスラリーが流送される間に設定し
、定量ポンプで添加すると効果的である。添加量は、キ
トサン酸性水溶液を含有するスラリーに対して固形分比
率で０． １〜５．０が好ましく、０．２〜２．０がさ
らに好ましい。この比率が０． １未満の場合には表面
強さの向上効果が少なく、５．０を越えてもそれ以上効
果は向上しない。This water-soluble anionic polymer is preferably added while stirring an aqueous solution diluted to have as low a viscosity as possible so as to mix uniformly. If this water-soluble anionic polymer is added before the chitosan acidic aqueous solution, it is inappropriate because it will not adhere to papermaking fibers. Further, for example, it is effective to set the addition location while the slurry is flowing from the mixing tank to the paper screen and add it using a metering pump. The amount added is 0.0% in terms of solid content ratio to the slurry containing the chitosan acidic aqueous solution. 1 to 5.0 is preferable, and 0.2 to 2.0 is more preferable. This ratio is 0. When it is less than 1, the effect of improving surface strength is small, and even when it exceeds 5.0, the effect is not improved any further.
次に、紙の製造方法について説明する。Next, a method for manufacturing paper will be explained.
まず、製紙用繊維を要求される紙質に応じて叩解し、水
分散スラリーとする。次に、この水分散スラリーを入れ
た混合槽にキトサン酸性水溶液を含有する水性スラリー
及び必要に応じて添加薬品を攪拌混合する。次に、水溶
性アニオン性高分子物を添加混合して均一なスラリーを
調製する。次いで、抄紙機を用いて抄紙した後、乾燥す
ることによって、所望の紙が容易に得られる。First, papermaking fibers are beaten according to the required paper quality to form a water-dispersed slurry. Next, the aqueous slurry containing the chitosan acidic aqueous solution and, if necessary, additional chemicals are stirred and mixed in a mixing tank containing the aqueous dispersion slurry. Next, a water-soluble anionic polymer is added and mixed to prepare a uniform slurry. Next, the desired paper is easily obtained by making paper using a paper machine and then drying it.
靭皮繊維は繊維長が長く、叩解作業でもつれて結束を生
じやすいことと、低叩解でも高強度が得られるので、殆
ど叩解せずに使用するのがよい。Bast fibers have a long fiber length and are easily tangled and bound during beating, and high strength can be obtained even with low beating, so it is best to use them without beating.
葉繊維は軽く叩解するか又は分散だけで済ませるか、要
求される紙質に応じて処理する。木材パルプを混用する
ときには、これを必要に応じて任意に叩解する。多孔性
を重視する紙質の場合には、針葉樹パルプを軽く叩解し
て使用するとよい。Leaf fibers may be lightly beaten or simply dispersed, or processed depending on the required paper quality. When wood pulp is mixed, it is optionally beaten as necessary. In the case of paper where porosity is important, softwood pulp may be used after being lightly beaten.
サイズ剤は、インキや印刷機の条件によっては、ロジン
系や中性サイズ剤等の公知のものを使用する。その他、
消泡剤やドライヤー剥離剤等の公知の抄紙用添加剤を使
用することができる。As the sizing agent, a known sizing agent such as a rosin-based sizing agent or a neutral sizing agent may be used depending on the conditions of the ink and the printing machine. others,
Known papermaking additives such as antifoaming agents and dryer release agents can be used.
抄紙機は円網式や短網式が好適である。洋紙で通常使用
される長網式は、靭皮繊維が混用される場合や葉繊維が
多量に混用される場合には適当ではない。乾燥は、通常
の抄紙機における温度その他の条件の範囲内で行うこと
ができる。The paper machine is preferably a cylinder type or a short screen type. The fourdrinier method normally used for Western paper is not suitable when bast fibers are mixed or when leaf fibers are mixed in large quantities. Drying can be carried out within the range of temperatures and other conditions commonly used in paper machines.
〔実施例ｌ及び比較例ｌ〜３〕
以下に本発明を具体化した実施例を比較例と対比して説
明する。[Example 1 and Comparative Examples 1 to 3] Examples embodying the present invention will be described below in comparison with comparative examples.
まず、マニラ麻パルプを水酸化ナトリウムを用いて加圧
蒸解し、次亜塩素酸ナトリウムで漂白して０． １％水
性スラリーを調製した。これにキトサン（共和油脂工業
株式会社製商品名フロナックＮ）のｌ重量％酢酸溶液を
、乾燥重量比でキトサンがマニラ麻パルプの１． ０重
量％となる量混入してよく攪拌混合した。First, Manila hemp pulp is pressure-cooked using sodium hydroxide and bleached with sodium hypochlorite to give a 0. A 1% aqueous slurry was prepared. To this was added a 1% by weight acetic acid solution of chitosan (trade name: Fronac N, manufactured by Kyowa Yushi Kogyo Co., Ltd.), and the dry weight ratio of chitosan to 1% of that of Manila hemp pulp was added. The mixture was mixed in an amount of 0% by weight and thoroughly stirred and mixed.
別に、カルボキシメチルセルロースナトリウム塩の０．
５％水溶液を調製し、固形分重量比でキトサンの１／２
になる量に対し、上記マニラ麻パルプとキトサンの水性
スラリーに攪拌しながら添加し、均一な３戊分スラリー
を調製した。これらのスラリーをＴＡＰ．ＰＩ Ｔ２
０５０Ｓ７１１２に従って、重さ４０ｇ／ｍ”の手抄き
シ一トを作或し、表面温度１２０℃のクロムメッキドラ
ムドライヤーに貼付けて乾燥し、所望の紙を得た。Separately, 0.0% of carboxymethyl cellulose sodium salt.
A 5% aqueous solution was prepared, and the solid content was 1/2 that of chitosan by weight.
This amount was added to the above aqueous slurry of Manila hemp pulp and chitosan while stirring to prepare a homogeneous three-part slurry. These slurries were added to TAP. PI T2
A handmade sheet weighing 40 g/m'' was prepared according to 050S7112 and dried by pasting it on a chrome-plated drum dryer with a surface temperature of 120° C. to obtain the desired paper.
これらのシートについて、密度、裂断長、湿裂断長、ク
レム法吸水度、ワックス法表面強さを測定し、その結果
を表−ｌにまとめて示した。These sheets were measured for density, tear length, wet tear length, Klemm method water absorption, and wax method surface strength, and the results are summarized in Table 1.
密度はＪＩＳ Ｐ８１１８に定められた試験法によっ
て測定した。本発明のように主として有機繊維質原料で
構威され、繊維以外の威分が微量の和紙風の紙では、多
孔性をこの密度の値で判定することができ、０．６ｇ／
ｍ１以下が好ましく、０．５ｇ／ｍｌ以下がさらに好ま
しい。この密度で良好な印刷適性のある紙が得られる。The density was measured by the test method specified in JIS P8118. In the case of washi-like paper, which is mainly composed of organic fibrous raw materials and has a small amount of non-fiber components, as in the present invention, the porosity can be determined by this density value, which is 0.6 g/
ml or less is preferable, and 0.5 g/ml or less is more preferable. This density gives a paper with good printability.
裂断長、湿裂断長はＪＩＳ Ｐ８１１３に従つて行っ
た。The tear length and wet tear length were determined according to JIS P8113.
クレム吸水度はＪＩＳ Ｐ８１４１に従って行った。Clem water absorption was measured according to JIS P8141.
ワックス法表面強度は、ＪＩＳ Ｐ８１２９ｉ：定め
られた試験法によって測定した。少なくとも１２Ａ、好
ましくは１３Ａ以上が高性能印刷機に適している。The wax method surface strength was measured according to JIS P8129i: defined test method. At least 12A, preferably 13A or more is suitable for high performance printing presses.
また、略号は次の意味を表す。In addition, the abbreviations represent the following meanings.
ＣＭＣ ：カルボキシメチルセルロースＰＡＡＥＣ ：
湿潤強力剤としてのポリアミドアミンエピクロルヒドリ
ン
表一
■
キトサンとＣＭＣの双方を含有しない場合（比較例ｌ）
及びＣ Ｍ Ｃを含有しない場合（比較例２）では、乾
湿裂断長が小さく、しかもワックス法表面強度が低く、
しかもＣＭＣを含有しない場合（比較例３）では、特に
ワックス法表面強度が低い。それに対して、キトサン及
びＣＭＣの双方を含有する場合（実施例１）には、乾湿
裂断長が高く、ワックス法表面強度も優れている。CMC: Carboxymethyl cellulose PAAEC:
Polyamidoamine epichlorohydrin as a wet strength agent Table 1■ When not containing both chitosan and CMC (Comparative Example 1)
In the case where CMC is not contained (Comparative Example 2), the dry and wet tear length is small, and the wax method surface strength is low.
Moreover, in the case of not containing CMC (Comparative Example 3), the wax method surface strength is particularly low. On the other hand, when both chitosan and CMC are contained (Example 1), the dry and wet tear length is high and the wax method surface strength is also excellent.
〔実施例２〜４及び比較例４，５〕
実施例ｌで使用したものと同一のマニラ麻パルプと、軽
く叩解した針葉樹パルプを７０：３０の重量比率で混合
し、濃度０．１重量％の水性スラリーを調製した。精製
した粉末キトサンをグリコール酸水溶液に溶解して２重
量％水溶液を調製し、上記スラリーにパルプ合計量の１
重量％相当量を攪拌しながら混合した。なお、キトサン
としては、焼津水産株式会社製商品名キトサンＰＳＬを
使用した。[Examples 2 to 4 and Comparative Examples 4 and 5] The same Manila hemp pulp used in Example 1 and lightly beaten softwood pulp were mixed at a weight ratio of 70:30, and a concentration of 0.1% by weight was prepared. An aqueous slurry was prepared. A 2% by weight aqueous solution was prepared by dissolving the purified chitosan powder in an aqueous glycolic acid solution, and 1% of the total amount of pulp was added to the slurry.
Amounts equivalent to % by weight were mixed with stirring. As the chitosan, Chitosan PSL (trade name, manufactured by Yaizu Suisan Co., Ltd.) was used.
別に、中粘度タイプのカルボキシメチルセルロースナト
リウム塩のｌ重量％水溶液を調製し、上記スラリーに均
一混合し、対パルプ乾燥重量比０．５％、１． ０％、
３．０％の各相当量を添加し、良く攪拌混合した後に、
実施例ｌと同様に手抄きシ一トを作製した。各シートの
特性値を測定し、その結果を表−２にまとめて示した。Separately, a 1% by weight aqueous solution of medium viscosity type carboxymethylcellulose sodium salt was prepared, uniformly mixed with the above slurry, and the dry weight ratio to the pulp was 0.5%, 1% by weight. 0%,
After adding each equivalent amount of 3.0% and stirring and mixing well,
A handmade sheet was prepared in the same manner as in Example 1. The characteristic values of each sheet were measured and the results are summarized in Table 2.
上記表−２からわかるように、キトサンを全く添加しな
い場合（比較例４）、キトサンを単独で添加した場合（
比較例５）では、乾湿裂断長、ワックス法表面強度等の
性能が悪いのに対し、キトサンとカルボキシメチルセル
ロースを併用した場合（実施例２〜４）、乾湿裂断長が
改善され、しかもワックス法表面強さが顕著に改善され
る。As can be seen from Table 2 above, when chitosan is not added at all (Comparative Example 4), when chitosan is added alone (
In Comparative Example 5), performance such as dry and wet tear length and wax method surface strength was poor, whereas when chitosan and carboxymethyl cellulose were used together (Examples 2 to 4), dry and wet tear length was improved, and wax method surface strength was poor. The surface strength is significantly improved.
〔実施例５〕
前記実施例２と同一のマニラ麻パルプ及び針葉樹パルプ
を使用し、後者はビーターを用いて叩解度１８°ＳＲま
で叩解し、マニラ麻パルプ：針葉樹パルプ＝７０：３０
の混合比で濃度０．３％の水性スラリーを容器内で調製
した。[Example 5] The same Manila hemp pulp and softwood pulp as in Example 2 were used, and the latter was beaten to a beating degree of 18°SR using a beater, and Manila hemp pulp: softwood pulp = 70:30.
An aqueous slurry with a concentration of 0.3% was prepared in a container at a mixing ratio of .
実施例２と同一のキトサン溶液をキトサン対パルプ比１
％相当量、攪拌中の上記スラリーに添加し、よく混合し
た後に円網ヤンキー式抄紙機に流送し、フローボックス
で実施例２と同一のカルボキシメチルセルロースのナト
リウム塩水溶液を対パルプ乾燥重量比ｌ，０％となるよ
うに定量ポンプを用いて添加しつつ抄紙した。同時に、
少量の製紙用消泡剤及びドライヤー剥離剤を添加した。The same chitosan solution as in Example 2 was used at a chitosan to pulp ratio of 1.
% equivalent to the above-mentioned slurry being stirred, and after mixing thoroughly, it was sent to a cylinder Yankee type paper machine, and in a flow box, an aqueous sodium salt solution of carboxymethylcellulose, which was the same as in Example 2, was added to the pulp dry weight ratio of l. , 0% using a metering pump. at the same time,
A small amount of paper antifoam and dryer release agent were added.
抄紙状態は安定しており、均一な抄紙が行われた。得ら
れた紙の乾湿裂断長比は０．１４と手抄きシ一トの結果
が再現されていた。また、ワックス表面強さは１４Ａと
なり、連続グラビヤ印刷を施して全く紙むけしない紙で
あった。得られた印刷物は多孔性で和紙の風合いや触感
のあるものであった。The papermaking conditions were stable and uniform papermaking was performed. The resulting paper had a dry/wet tear length ratio of 0.14, which reproduced the results of the handmade sheet. Further, the wax surface strength was 14A, and the paper did not peel at all after continuous gravure printing. The resulting printed matter was porous and had the texture and feel of Japanese paper.
本発明の紙の製造方法によれば、製紙用繊維を主原料と
し、多孔性、軽さ、柔軟性等の和紙状の風合いと外観を
良好に保持したまま、回転印刷機や輪転式印刷機による
印刷で紙粉や紙むけが発生しないように繊維間が十分に
結合した紙が容易に得られるという効果を奏する。According to the paper manufacturing method of the present invention, papermaking fibers are used as the main raw material, and while the paper-like texture and appearance such as porosity, lightness, and flexibility are well maintained, the paper can be produced using a rotary printing machine or a rotary printing machine. It is possible to easily obtain paper in which the fibers are sufficiently bonded so that paper dust and paper peeling do not occur during printing.
また、水溶性アニオン性高分子物がカルボキシメチルセ
ルロース又はその塩であることにより、安定な水溶液が
容易に得られ、上記効果が助長される。Further, when the water-soluble anionic polymer is carboxymethyl cellulose or a salt thereof, a stable aqueous solution can be easily obtained, and the above effects are promoted.
Claims (1)
繊維に、キトサン酸性水溶液を含有する水性スラリーを
添加した後、水溶性アニオン性高分子物を添加して抄造
することを特徴とする紙の製造方法。 ２、水溶性アニオン性高分子物がカルボキシメチルセル
ロース又はその塩である請求項１記載の紙の製造方法。[Claims] 1. Adding an aqueous slurry containing an acidic chitosan solution to one or more papermaking fibers selected from bast fibers and leaf fibers, and then adding a water-soluble anionic polymer. A method for producing paper, characterized by paper making. 2. The method for producing paper according to claim 1, wherein the water-soluble anionic polymer is carboxymethyl cellulose or a salt thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30811889A JPH03167387A (en) | 1989-11-27 | 1989-11-27 | Production of paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30811889A JPH03167387A (en) | 1989-11-27 | 1989-11-27 | Production of paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03167387A true JPH03167387A (en) | 1991-07-19 |
Family
ID=17977093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30811889A Pending JPH03167387A (en) | 1989-11-27 | 1989-11-27 | Production of paper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03167387A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0610300A (en) * | 1992-02-14 | 1994-01-18 | Sony Corp | Pulp mold material |
| GB2283989A (en) * | 1993-11-19 | 1995-05-24 | Jin Yuan Paper Corp | Making paper from banana fibres |
| JPH11323784A (en) * | 1998-05-19 | 1999-11-26 | Ryugu:Kk | Japanese paper patterned with petal or the like |
| JP2003027392A (en) * | 2001-07-16 | 2003-01-29 | Oji Paper Co Ltd | Thin paper for printed decorative sheet and method for producing the same |
| JP2003027391A (en) * | 2001-07-16 | 2003-01-29 | Oji Paper Co Ltd | Masking paper and method for producing the same |
| JP2008266823A (en) * | 2007-04-19 | 2008-11-06 | Ishikawa Seishi Kk | Hydrogel-coated japanese paper and apparatus for producing the same |
| CN103504659A (en) * | 2013-09-29 | 2014-01-15 | 吴江市凌通纺织整理有限公司 | Multifunctional soft fabric |
| JP2018155790A (en) * | 2017-03-15 | 2018-10-04 | 大福製紙株式会社 | Voucher base-paper and manufacturing method therefor |
-
1989
- 1989-11-27 JP JP30811889A patent/JPH03167387A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0610300A (en) * | 1992-02-14 | 1994-01-18 | Sony Corp | Pulp mold material |
| GB2283989A (en) * | 1993-11-19 | 1995-05-24 | Jin Yuan Paper Corp | Making paper from banana fibres |
| GB2283989B (en) * | 1993-11-19 | 1997-09-17 | Jin Yuan Paper Corp | Method of paper making from banana fiber |
| JPH11323784A (en) * | 1998-05-19 | 1999-11-26 | Ryugu:Kk | Japanese paper patterned with petal or the like |
| JP2003027392A (en) * | 2001-07-16 | 2003-01-29 | Oji Paper Co Ltd | Thin paper for printed decorative sheet and method for producing the same |
| JP2003027391A (en) * | 2001-07-16 | 2003-01-29 | Oji Paper Co Ltd | Masking paper and method for producing the same |
| JP2008266823A (en) * | 2007-04-19 | 2008-11-06 | Ishikawa Seishi Kk | Hydrogel-coated japanese paper and apparatus for producing the same |
| CN103504659A (en) * | 2013-09-29 | 2014-01-15 | 吴江市凌通纺织整理有限公司 | Multifunctional soft fabric |
| JP2018155790A (en) * | 2017-03-15 | 2018-10-04 | 大福製紙株式会社 | Voucher base-paper and manufacturing method therefor |
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