JPH05230792A - Interlaminar spraying starch for multi-ply board and paper making process using the same - Google Patents
Interlaminar spraying starch for multi-ply board and paper making process using the sameInfo
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- JPH05230792A JPH05230792A JP2925192A JP2925192A JPH05230792A JP H05230792 A JPH05230792 A JP H05230792A JP 2925192 A JP2925192 A JP 2925192A JP 2925192 A JP2925192 A JP 2925192A JP H05230792 A JPH05230792 A JP H05230792A
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- starch
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- paperboard
- anionic
- cationic
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は多層抄き合わせ板紙の抄
紙時に、特に層間強度を向上させるために改善されたス
プレー用澱粉およびそれを使用する抄紙方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved starch for spraying, especially for improving the interlaminar strength during the production of multi-ply laminated paperboard, and a papermaking method using the same.
【０００２】[0002]
【従来の技術】製紙工場では、各種様々なスプレー澱粉
が使用されている。例えば、トウモロコシ、馬鈴薯、小
麦、タピオカ等の生澱粉及び、これらを原料にアセチル
化、ヒドロキシエチル化、尿素・リン酸化、３−トリメ
チルアンモニウム−２−ヒドロキシプロピル化等を施し
た加工澱粉であるが、これら澱粉を選択する理論的体系
も様々である。例えば、１)特開昭５３−１３４９１５
号公報、２)特開昭５４−９３１１３号公報、３)特開昭
５５−３６３６７号公報、４)特公昭５２−１７１２５
号公報、５)特公昭５３−７５２３号公報には、層間ス
プレー澱粉として、１)半糊化した未加工澱粉 ２)アセ
チル化した未糊化澱粉、３)アセチル化した糊化澱粉、
４)蒸煮した架橋澱粉、５)半糊化したカチオン澱粉 等
が開示されているが、実際には、製紙会社で数種の澱粉
を板紙にスプレーし、最も高い層間接着力を示すものを
選びだすのが現状であった。この様に澱粉の層間スプレ
ー技術は、抄紙機が変われば高い層間接着力を示す澱粉
の種類も異なり、その都度澱粉の選定をする必要があっ
た。厳密にいえば、同じ抄紙機であっても板紙の種類が
変われば澱粉の性能もかわり、さらにいえば、同じ板紙
であっても層間の位置(３層以上の抄合板紙の場合)が変
われば澱粉の性能も変動した。2. Description of the Related Art Various types of spray starch are used in paper mills. For example, there are raw starches such as corn, potatoes, wheat, and tapioca, and processed starches obtained by subjecting these to acetylation, hydroxyethylation, urea / phosphorylation, 3-trimethylammonium-2-hydroxypropylation, and the like. There are various theoretical systems for selecting these starches. For example, 1) JP-A-53-134915
JP-A-54-93113, 3) JP-A-55-36367, and 4) JP-B-52-17125.
Japanese Patent Publication No. 5-7523 discloses, as an inter-layer spray starch, 1) semi-gelatinized raw starch, 2) acetylated non-gelatinized starch, 3) acetylated gelatinized starch,
4) Steamed cross-linked starch, 5) Semi-gelatinized cationic starch, etc. are disclosed. Actually, a paper manufacturing company sprays several kinds of starch on paperboard and selects the one showing the highest interlayer adhesion. It was the current situation. As described above, in the inter-layer spray technique of starch, the type of starch having high inter-layer adhesive strength is different if the paper machine is changed, and it is necessary to select the starch each time. Strictly speaking, even if the same paper machine is used, the performance of starch will be changed if the type of paperboard is changed. Furthermore, even if the same paperboard is used, the position between layers (in the case of three or more layers of paperboard) is changed. The performance of starch also fluctuated.
【０００３】[0003]
【発明が解決しようとする課題】本発明は、抄紙機や板
紙の種類が異なっても、常に安定した層間強度を得るこ
とができる層間スプレー用澱粉およびそれを用いる抄紙
方法を提供することを目的とする。SUMMARY OF THE INVENTION It is an object of the present invention to provide a starch for interlayer spraying and a papermaking method using the same, which can always obtain a stable interlayer strength even if the types of paper machines and paperboards are different. And
【０００４】[0004]
【課題を解決するための手段】上記目的を達成させるた
め、鋭意研究を重ねた結果、アニオン性澱粉、カチオン
性澱粉、及び両性澱粉の１種又は２種以上を用い、アニ
オン性基とカチオン性基の両者を含有するように調整し
た澱粉の水分散液を抄紙工程における湿潤紙層の表面に
スプレーすれば、抄紙機や板紙の種類が異なっても、常
に優れた層間強度を持つ板紙が得られることを見出し
た。[Means for Solving the Problems] In order to achieve the above object, as a result of intensive studies, as a result, one or more of anionic starch, cationic starch, and amphoteric starch were used, and anionic groups and cationic groups were used. By spraying an aqueous dispersion of starch adjusted to contain both groups on the surface of the wet paper layer in the papermaking process, a paperboard with excellent interlaminar strength is always obtained, even if the type of papermaking machine or paperboard is different. I found that I can be.
【０００５】即ち、本発明はアニオン性澱粉、カチオン
性澱粉、及び両性澱粉の１種又は２種以上を用い、アニ
オン性基とカチオン性基の両者を含有するように調整し
た澱粉の水分散液からなる多層抄き合わせ板紙の層間強
度を高めるために各湿潤紙表面に塗布するスプレー用澱
粉を提供する。That is, the present invention uses one or more of anionic starch, cationic starch, and amphoteric starch, and an aqueous dispersion of starch prepared so as to contain both anionic groups and cationic groups. To provide a starch for spraying, which is applied to the surface of each wet paper in order to increase the interlaminar strength of a multi-layered laminated paperboard comprising
【０００６】また、本発明は請求項１記載のスプレー用
澱粉を湿潤紙層の表面にスプレーした後、抄き合わせ抄
造を行なうことを特徴とする板紙の抄紙方法を提供す
る。Further, the present invention provides a papermaking method for paperboard, which comprises spraying the starch for spraying according to claim 1 on the surface of the wet paper layer, and then carrying out the papermaking by papermaking.
【０００７】本発明のスプレー用澱粉がすぐれた効果を
発揮する理由については明確ではないが、アニオン性基
とカチオン性基の相互作用により、スプレーされた澱粉
が層間部分に効率良く定着するためと推定される。The reason why the spray starch of the present invention exerts an excellent effect is not clear, but it is because the sprayed starch is effectively fixed to the interlayer portion due to the interaction between the anionic group and the cationic group. Presumed.
【０００８】アニオン性澱粉としては置換基の種類とそ
の置換度に特に制限はないが、従来より公知のアニオン
性基の置換度が０.０１以上の尿素・リン酸澱粉、尿素
・スルファミン酸澱粉、その他２塩基性以上のエステル
化澱粉等が好ましい。The anionic starch is not particularly limited in the kind of the substituent and the degree of substitution thereof, but conventionally known urea / phosphate starch and urea / sulfamic acid starch having a degree of substitution of anionic groups of 0.01 or more. In addition, dibasic or higher esterified starch and the like are preferable.
【０００９】カチオン性澱粉も置換基の種類とその置換
度に特に制限はないが、従来から公知のカチオン性基の
置換度が０.０１以上の３−トリメチルアンモニウム−
２−ヒドロキシプロピル澱粉や２−ジエチルアミノエチ
ル澱粉等が好ましい。The cationic starch is also not particularly limited in the kind of the substituent and the degree of substitution thereof, but a conventionally known cationic group having a degree of substitution of 0.01 or more is 3-trimethylammonium-.
2-Hydroxypropyl starch and 2-diethylaminoethyl starch are preferred.
【００１０】両性澱粉もまた置換基の種類とその置換度
に特に制限はないが、アニオン性基、カチオン性基、各
々の置換度が０.０１以上の澱粉が好ましい。そのよう
なものの例としては、尿素・リン酸化３−トリメチルア
ンモニウム−２−ヒドロキシプロピル澱粉や尿素・スル
ファミン酸化２−ジエチルアミノエチル澱粉が挙げられ
る。The amphoteric starch is also not particularly limited in the kind of the substituent and the degree of substitution thereof, but the anionic group and the cationic group, and the degree of substitution of each of which is 0.01 or more, are preferable. Examples of such substances include urea-phosphorylated 3-trimethylammonium-2-hydroxypropyl starch and urea-sulfamine-oxidized 2-diethylaminoethyl starch.
【００１１】アニオン性基とカチオン性基の両者を含有
するように調整するにあたって、アニオン性澱粉とカチ
オン性澱粉の混合を用いる場合は、その比率は特に制限
しないが、アニオン性澱粉／カチオン性澱粉＝５／９５
〜９５／５の範囲で選択するのが好ましい。両性澱粉は
単独で用いても、またアニオン性もしくはカチオン性澱
粉と混合してもよい。When a mixture of an anionic starch and a cationic starch is used in adjusting to contain both an anionic group and a cationic group, the ratio thereof is not particularly limited, but the anionic starch / cationic starch is not limited. = 5/95
It is preferable to select in the range of ˜95 / 5. Amphoteric starch may be used alone or mixed with anionic or cationic starch.
【００１２】澱粉の水分散液については、未糊化澱粉の
懸濁液、澱粉糊液(α化した澱粉の分散液も含む)のいず
れでもよい。本発明のスプレー用澱粉を湿紙上にスプレ
ーするにあたっては、非イオン性澱粉、ポリアクリルア
マイド、ＰＶＡ、ポリエチレンイミン、ポリエチレンオ
キサイドなどを併用することができる。The aqueous dispersion of starch may be either a suspension of ungelatinized starch or a starch paste solution (including a dispersion of pregelatinized starch). When spraying the starch for spraying of the present invention onto wet paper, nonionic starch, polyacrylic amide, PVA, polyethyleneimine, polyethylene oxide and the like can be used in combination.
【００１３】本発明に用いられる澱粉としてはアニオン
性澱粉、カチオン性澱粉、両性澱粉を問わず、とうもろ
こし、タピオカ、馬鈴薯、かんしょ、小麦等いずれでも
良く、一部酸化、酸処理等を受けていてもかまわない。The starch used in the present invention may be corn, tapioca, potato, citrus, wheat or the like regardless of whether it is an anionic starch, a cationic starch or an amphoteric starch, which has been partially oxidized or acid-treated. I don't care.
【００１４】本発明によってスプレーを施す方法とし
て、抄紙機上で通常通りワイヤー上に走行方向に対し直
角にスプレーノズルを設置し、０．１〜５％程度の濃度
範囲の澱粉水分散液をスプレーする。次にスプレーされ
た湿紙を複数枚重ねて吸引脱水、プレス脱水した後、乾
燥工程を経て板紙を得る。As a method of applying a spray according to the present invention, a spray nozzle is installed on a wire on a paper machine at a right angle to a traveling direction as usual, and an aqueous dispersion of starch in a concentration range of about 0.1 to 5% is sprayed. To do. Next, a plurality of sprayed wet paper sheets are stacked, suction-dewatered and press-dewatered, and then a drying process is performed to obtain a paperboard.
【００１５】[0015]
【発明の効果】本発明によれば、抄紙機や板紙の種類が
異なっても、常に安定した層間強度が得られる抄紙方法
を提供する。Industrial Applicability According to the present invention, there is provided a papermaking method capable of always obtaining a stable interlaminar strength even when the types of papermaking machines and paperboards are different.
【００１６】[0016]
【実施例】本発明を実施例によりさらに詳細に説明す
る。本発明はこれら実施例に限定されない。EXAMPLES The present invention will be described in more detail by way of examples. The invention is not limited to these examples.
【００１７】参考列１ リン原子の置換度が０．０２０のアニオン性を示す未糊
化の尿素・リン酸コーンスターチと窒素原子の置換度が
０．０３６のカチオン性を示す未糊化の３−トリメチル
アンモニウム−２−ヒドロキシプロピルコーンスターチ
を重量比でアニオン性澱粉／カチオン性澱粉＝５０／５
０に混合し製品とした。以後本製品を本発明品Ａと記述
する。 Reference column 1 Ungelatinized urea / phosphoric acid corn starch having an anionic property with a degree of substitution of phosphorus atoms of 0.020 and ungelatinized 3-having a cationic property of having a degree of nitrogen atom substitution of 0.036. Trimethylammonium-2-hydroxypropyl corn starch in a weight ratio of anionic starch / cationic starch = 50/5
It was mixed with 0 to obtain a product. Hereinafter, this product is referred to as an invention product A.
【００１８】参考例２ イオウ原子の置換度が０．０１４のアニオン性を示す未
糊化尿素−スルファミン酸タピオカ澱粉と窒素原子の置
換度が０．０４６のカチオン性を示すα化した３−トリ
メチルアンモニウム−２−ヒドロキシプロピル馬鈴薯澱
粉を重量比でアニオン性澱粉／カチオン性澱粉＝９５／
５に混合し製品とした。以後本製品を本発明品Ｂと記述
する。 Reference Example 2 Non-gelatinized urea-sulfamic acid tapioca starch exhibiting anionicity with a sulfur atom substitution degree of 0.014 and cationic α-trimethyl 3-trimethyl with a nitrogen atom substitution degree of 0.046. Ammonium-2-hydroxypropyl potato starch in a weight ratio of anionic starch / cationic starch = 95 /
5 was mixed to obtain a product. Hereinafter, this product is referred to as an invention product B.
【００１９】参考例３ リン原子の置換度が０．０４０のアニオン性を示すα化
した尿素・リン酸馬鈴薯澱粉と窒素原子の置換度が０．
０１６のカチオン性を示す未糊化の２−ジエチルアミノ
エチルタピオカ澱粉を重量比でアニオン性澱粉／カチオ
ン性澱粉＝５／９５に混合し製品とした。以後本製品を
本発明品Ｃと記述する。 Reference Example 3 The degree of substitution of the nitrogen atom with the α-ized urea / phosphoric acid potato starch exhibiting anionic property with the degree of substitution of the phosphorus atom of 0.040.
A non-gelatinized 2-diethylaminoethyl tapioca starch having a cationic property of 016 was mixed at a weight ratio of anionic starch / cationic starch = 5/95 to obtain a product. Hereinafter, this product will be referred to as an invention product C.
【００２０】参考例４ 窒素原子の置換度が０．０３２の３−トリメチルアンモ
ニウム−２−ヒドロキシプロピルコーンスターチに尿素
・リン酸化を施し、リン原子の置換度が０．０２０のα
化した両性コーンスターチを得た。以後本製品を本発明
品Ｄと記述する。 Reference Example 4 3-Trimethylammonium-2-hydroxypropyl corn starch having a nitrogen atom substitution degree of 0.032 was subjected to urea phosphorylation to obtain an α having a phosphorus atom substitution degree of 0.020.
The transformed amphoteric cornstarch was obtained. Hereinafter, this product is referred to as an invention product D.
【００２１】参考例５ 窒素原子の置換度が０．０３２の３−トリメチルアンモ
ニウム−２−ヒドロキシプロピルコーンスターチに尿素
・リン酸化を施し、リン原子の置換度が０．０１０のα
化した両性コーンスターチとリン原子の置換度が０．０
２０のアニオン性を示す未糊化の尿素・リン酸コーンス
ターチを重量比でアニオン性澱粉／両性澱粉＝８５／１
５に混合し製品とした。以後本製品を本発明品Ｅと記述
する。 Reference Example 5 3-Trimethylammonium-2-hydroxypropyl corn starch having a nitrogen atom substitution degree of 0.032 was subjected to urea phosphorylation to obtain an α having a phosphorus atom substitution degree of 0.010.
The degree of substitution of the phosphorus atom with the modified amphoteric corn starch is 0.0
Anionic starch / amphoteric starch in a weight ratio of ungelatinized urea / corn starch having 20 anionic properties = 85/1
5 was mixed to obtain a product. Hereinafter, this product is referred to as an invention product E.
【００２２】実施例１ 表１で示される条件で抄紙されるコート白ボールの１−
２、２−３、３−４層間に本発明品Ａの０．５％水分散
液を１層間あたり０．５g／m2(乾物)スプレーし、製品
を得た。 Example 1 1-of coated white balls produced under the conditions shown in Table 1
A 0.5% aqueous dispersion of the product A of the present invention was sprayed between the layers 2, 2, 3 and 3-4 by 0.5 g / m 2 (dry matter) per layer to obtain a product.
【００２３】[0023]
【表１】 [Table 1]
【００２４】又、表２で示される条件で抄紙されるマニ
ラボールの１−２、２−３層間に本発明品Ａの１．０％
水分散液を１層間あたり０．８g／m2(乾物)スプレー
し、製品を得た。In addition, 1.0% of the product A of the present invention was placed between the 1-2 and 2-3 layers of the Manila ball which was made under the conditions shown in Table 2.
A water dispersion was sprayed at 0.8 g / m 2 (dry matter) per layer to obtain a product.
【００２５】[0025]
【表２】 [Table 2]
【００２６】上記で得られた板紙製品(コート白ボー
ル、マニラボール)について、澱粉をスプレーした各層
間の剥離強度をＴＡＰＰＩ Ｔ５０６ su−６８に準拠
して測定した。測定結果を表３の通りであった。With respect to the paperboard products (coated white balls, Manila balls) obtained above, the peel strength between each layer sprayed with starch was measured according to TAPPI T506 su-68. The measurement results are shown in Table 3.
【００２７】実施例２ スプレー澱粉として本発明品Ｂを用い、実施例１と同様
の工程で板紙製品を得た。得られた板紙製品について、
実施例１と同様の操作で剥離強度を得た。測定結果は表
３の通りであった。 Example 2 The product B of the present invention was used as a spray starch, and a paperboard product was obtained in the same manner as in Example 1. About the obtained paperboard products,
The peel strength was obtained by the same operation as in Example 1. The measurement results are shown in Table 3.
【００２８】実施例３ スプレー澱粉として本発明品Ｃを用い、実施例１と同様
の工程で板紙製品を得た。得られた板紙製品について、
実施例１と同様の操作で剥離強度を得た。測定結果は表
３の通りであった。 Example 3 The product C of the present invention was used as a spray starch, and a paperboard product was obtained in the same manner as in Example 1. About the obtained paperboard products,
The peel strength was obtained by the same operation as in Example 1. The measurement results are shown in Table 3.
【００２９】実施例４ スプレー澱粉として本発明品Ｄを用い、実施例１し同様
の工程で板紙製品を得た。得られた板紙製品について、
実施例１と同様の操作で剥離強度を得た。測定結果は表
３の通りであった。 Example 4 The product D of the present invention was used as a spray starch, and a paperboard product was obtained in the same manner as in Example 1. About the obtained paperboard products,
The peel strength was obtained by the same operation as in Example 1. The measurement results are shown in Table 3.
【００３０】実施例５ スプレー澱粉として本発明品Ｅを用い、実施例１と同様
の工程で板紙製品を得た。得られた板紙製品について、
実施例１と同様の操作で剥離強度を得た。測定結果は表
３の通りであった。 Example 5 The product E of the present invention was used as a spray starch, and a paperboard product was obtained in the same manner as in Example 1. About the obtained paperboard products,
The peel strength was obtained by the same operation as in Example 1. The measurement results are shown in Table 3.
【００３１】比較例１ スプレー澱粉を使用せず、実施例１と同様の工程で板紙
製品を得た。得られた板紙製品について、実施例１と同
様の操作で剥離強度を得た。測定結果は表３の通りであ
った。 Comparative Example 1 A paperboard product was obtained in the same manner as in Example 1 without using the spray starch. The peel strength of the obtained paperboard product was obtained in the same manner as in Example 1. The measurement results are shown in Table 3.
【００３２】比較例２ スプレー澱粉として未糊化のコーンスターチを用い、実
施例１と同様の工程で板紙製品を得た。得られた板紙製
品について、実施例１と同様の操作で剥離強度を得た。
測定結果は表３の通りであった。 Comparative Example 2 A non-gelatinized corn starch was used as a spray starch and a paperboard product was obtained in the same process as in Example 1. The peel strength of the obtained paperboard product was obtained in the same manner as in Example 1.
The measurement results are shown in Table 3.
【００３３】比較例３ スプレー澱粉としてリン原子の置換度が０．０３４のア
ニオン性を示すα化した尿素・リン酸馬鈴薯澱粉を用
い、実施例１と同様の工程で板紙製品を得た。得られた
板紙製品について、実施例１と同様の操作で剥離強度を
得た。測定結果は表３の通りであった。 Comparative Example 3 A paperboard product was obtained in the same process as in Example 1 using α-urea urea / phosphorus potato starch having anionic property with a phosphorus atom substitution degree of 0.034 as the spray starch. The peel strength of the obtained paperboard product was obtained in the same manner as in Example 1. The measurement results are shown in Table 3.
【００３４】比較例４ スプレー澱粉として窒素原子の置換度が０．０４８のカ
チオン性を示す未糊化の３−トリメチルアンモニウム−
２−ヒドロキシプロピルタピオカ澱粉を用い、実施例１
と同様の工程で板紙製品を得た。得られた板紙製品につ
いて、実施例１と同様の操作で剥離強度を得た。測定結
果は表３の通りであった。 Comparative Example 4 Non-gelatinized 3-trimethylammonium-containing spray starch having a degree of substitution of nitrogen atoms of 0.048 and exhibiting a cationic property.
Example 1 using 2-hydroxypropyl tapioca starch
A paperboard product was obtained in the same process as described above. The peel strength of the obtained paperboard product was obtained in the same manner as in Example 1. The measurement results are shown in Table 3.
【００３５】比較例５ スプレー澱粉として置換度が０．０２８の半糊化したア
セチル化コーンスターチを用い、実施例１と同様の工程
で板紙製品を得た。得られた板紙製品について、実施例
１と同様の操作で剥離強度を得た。測定結果は表３の通
りであった。 Comparative Example 5 A semi-gelatinized acetylated corn starch having a substitution degree of 0.028 was used as a spray starch, and a paperboard product was obtained in the same process as in Example 1. The peel strength of the obtained paperboard product was obtained in the same manner as in Example 1. The measurement results are shown in Table 3.
【００３６】[0036]
【表３】 [Table 3]
Claims (2)
両性澱粉の１種又は２種以上を用い、アニオン性基とカ
チオン性基の両者を含有するように調整した澱粉の水分
散液からなる多層抄き合わせ板紙の層間強度を高めるた
めに各湿潤紙表面に塗布するスプレー用澱粉。1. A multilayer consisting of an aqueous dispersion of starch prepared by using one or more of anionic starch, cationic starch, and amphoteric starch, and adjusting it to contain both anionic groups and cationic groups. A starch for spraying applied to the surface of each wet paper in order to increase the interlaminar strength of the laminated paperboard.
層の表面にスプレーした後、抄き合わせ抄造を行なうこ
とを特徴とする板紙の抄紙方法。2. A papermaking method for paperboard, which comprises spraying the starch for spraying according to claim 1 on the surface of a wet paper layer and then carrying out papermaking by papermaking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2925192A JPH05230792A (en) | 1992-02-17 | 1992-02-17 | Interlaminar spraying starch for multi-ply board and paper making process using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2925192A JPH05230792A (en) | 1992-02-17 | 1992-02-17 | Interlaminar spraying starch for multi-ply board and paper making process using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05230792A true JPH05230792A (en) | 1993-09-07 |
Family
ID=12271056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2925192A Pending JPH05230792A (en) | 1992-02-17 | 1992-02-17 | Interlaminar spraying starch for multi-ply board and paper making process using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05230792A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2794479A1 (en) * | 1999-06-04 | 2000-12-08 | Roquette Freres | COMPOSITION AND PROCESS FOR THE PRODUCTION OF PLANAR STRUCTURES, IN PARTICULAR PAPER OR CARDBOARD |
| EP1167434A1 (en) * | 2000-06-20 | 2002-01-02 | Cerestar Holding B.V. | Starch composition and the use thereof |
| JP2002294595A (en) * | 2001-01-30 | 2002-10-09 | Hymo Corp | Method for producing paperboard |
| JP2003239196A (en) * | 2002-02-13 | 2003-08-27 | Oji Cornstarch Co Ltd | Surface-sized pressed paper using amphoteric starch with low viscosity |
| EP1889972A1 (en) * | 2006-06-26 | 2008-02-20 | Biltube India Limited | Core board |
| JP2019052409A (en) * | 2017-09-13 | 2019-04-04 | 王子ホールディングス株式会社 | Paper base material for foam heat-insulation paper container, sheet for foam heat-insulation paper container, and foam heat-insulation paper container |
| KR20200016222A (en) * | 2017-06-14 | 2020-02-14 | 케미라 오와이제이 | How to increase the strength characteristics of your paper or board product |
-
1992
- 1992-02-17 JP JP2925192A patent/JPH05230792A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2794479A1 (en) * | 1999-06-04 | 2000-12-08 | Roquette Freres | COMPOSITION AND PROCESS FOR THE PRODUCTION OF PLANAR STRUCTURES, IN PARTICULAR PAPER OR CARDBOARD |
| WO2000075425A1 (en) * | 1999-06-04 | 2000-12-14 | Roquette Freres | Composition and method for the production of planar structures, especially structures made of paper or cardboard |
| EP1167434A1 (en) * | 2000-06-20 | 2002-01-02 | Cerestar Holding B.V. | Starch composition and the use thereof |
| US7022174B2 (en) | 2000-06-20 | 2006-04-04 | Cerestar Holding B.V. | Starch compositions and the use thereof in wet-end of paper preparation |
| USRE41622E1 (en) * | 2000-06-20 | 2010-09-07 | Cerestar Holding B.V. | Starch compositions and the use thereof in wet-end of paper preparation |
| JP2002294595A (en) * | 2001-01-30 | 2002-10-09 | Hymo Corp | Method for producing paperboard |
| JP2003239196A (en) * | 2002-02-13 | 2003-08-27 | Oji Cornstarch Co Ltd | Surface-sized pressed paper using amphoteric starch with low viscosity |
| EP1889972A1 (en) * | 2006-06-26 | 2008-02-20 | Biltube India Limited | Core board |
| KR20200016222A (en) * | 2017-06-14 | 2020-02-14 | 케미라 오와이제이 | How to increase the strength characteristics of your paper or board product |
| JP2019052409A (en) * | 2017-09-13 | 2019-04-04 | 王子ホールディングス株式会社 | Paper base material for foam heat-insulation paper container, sheet for foam heat-insulation paper container, and foam heat-insulation paper container |
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