JP4551098B2 - Combination paper with both water-repellent and water-absorbing layers - Google Patents
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本発明は水産加工品(例えば、生鮮魚介類等)を店頭にて販売する場合の梱包
材の製造に係わり、特に用途に応じていろいろな撥水性能および吸水性能を併せ持つ梱包材に関する。
The present invention relates to the production of a packaging material in the case where processed marine products (for example, fresh seafood, etc.) are sold at a store, and particularly relates to a packaging material having various water repellency performance and water absorption performance depending on applications.
水産加工品の梱包は、吸水性能をもった紙とプラスチックフィルムシートをラミネートしたシートの上に水産加工品を置く方法を採っている。水産加工品(生鮮魚介類等)は時間の経過とともに水分やドリップが流れ出すが、水産加工品に接触する面は撥水性があり、水分やドリップはその下の吸水層が吸収する。従来はこの特性をもたせる為、吸水性を満たした基紙にプラスチックフィルムシートを貼り合わせて使用されていた。しかし、使用後はプラスチックフィルムのラミネート紙の為、解繊不可能（離解性不良）でリサイクルできずにゴミとして廃棄されていた。 The seafood processed product is packaged by placing the seafood processed product on a sheet laminated with water-absorbing paper and a plastic film sheet. In the processed fishery products (fresh seafood, etc.), moisture and drip flow out over time, but the surface that comes into contact with the processed fishery products has water repellency, and the water absorption layer underneath absorbs moisture and drip. Conventionally, in order to have this characteristic, a plastic film sheet has been used by being bonded to a base paper satisfying water absorption. However, after use, it was a plastic film laminated paper, so it could not be defibrated (defamability was poor) and could not be recycled and was discarded as garbage.
これを改善するために、包装用容器が撥水性紙材にて形成され、前記容器本体の底板部に排水細孔を形成した魚介類を収容する収容体と、前記底板部の排水細孔から排出される水分を吸収する吸水紙からなる吸水シートとを具備するものが提案されている（特許文献１）。 In order to improve this, the packaging container is formed of water-repellent paper material, and the container body contains the seafood having the drainage pores formed in the bottom plate part of the container body, and the drainage pores of the bottom plate part. There has been proposed a water-absorbing sheet made of water-absorbing paper that absorbs discharged water (Patent Document 1).
しかし、水産加工品を収容する部材と水産加工品から流れ出る水分を吸収する部材が別々になっており、包装用容器の構造が複雑であり、組み立てる為の工程と時間が必要となっている。 However, the member that accommodates the processed fishery product and the member that absorbs the water flowing out from the processed fishery product are separate, and the structure of the packaging container is complicated, requiring a process and time for assembly.
また、肌に接する面は常時ムレ感がなく快適な着用性を有し、しかも吸水性を有する生理用ナプキン、紙おむつ、生鮮食料品用トレイ等に用いる繊維構造体として、疎水性及び／又は親水性繊維からなる片面に撥水性部分が適当な大きさ、間隔で配置されたぬれ感の少ない不織布構造体が提案されている（特許文献２）。 In addition, the fiber structure used for sanitary napkins, disposable diapers, fresh food trays, etc., which has a feeling of smoothness and is comfortable to wear, and has a water-absorbing surface, is hydrophobic and / or hydrophilic. There has been proposed a nonwoven fabric structure with little wet feeling in which water-repellent portions are arranged in appropriate sizes and intervals on one side made of a conductive fiber (Patent Document 2).
しかし、不織布は使用される繊維配合にもよるが、一般的にその製造コストが木材パルプを主体とした紙よりも高くなるという問題がある。
本発明の課題は、プラスチックフィルムを使用せずに、パルプや化学繊維に撥水剤を使用する事で、使用後は回収して、再び紙に１００％リサイクル可能なリサイクル適性をもたせた撥水層と吸水層を合わせ持つコンビネーション紙を安価に提供することである。 The object of the present invention is to use a water-repellent agent for pulp and chemical fibers without using a plastic film, and collect it after use and recycle the paper again with 100% recyclability. It is to provide a combination paper having a layer and a water absorbing layer at low cost.
本発明は、上記課題に着目し低コスト性、省力性、省資源性、リサイクル適性の点から検討を重ね、上記課題を解決しようとするものである。すなわち上記課題は、第１層に撥水層と第２層に吸水層を抄合わせた（抄造により重ね合わせた）コンビネーション紙において、第１層の撥水層が坪量３５〜１２０ｇ／ｍ ２ であり、パルプ、紙力増強剤および撥水剤から構成され、該撥水剤は撥水層のパルプに対して０．１〜５０重量％内添されてなり、該撥水層面の撥水性がＲ１０以上であり、かつ、第２層の吸水層が坪量１６５〜４００ｇ／ｍ ２ であり、パルプおよび紙力増強剤から構成されることを特徴とするコンビネーション紙によって解決される。 The present invention intends to solve the above-mentioned problems by paying attention to the above-mentioned problems and repeatedly studying them from the viewpoints of low cost, labor-saving, resource-saving, and recyclability. That is, in the combination paper in which the water-repellent layer is combined with the first layer and the water-absorbing layer is combined with the second layer (overlaid by papermaking ) , the first layer has a basis weight of 35 to 120 g / m 2. Comprising a pulp, a paper strength enhancer and a water repellent, and the water repellent is added in an amount of 0.1 to 50% by weight based on the pulp of the water repellent layer, and the water repellency of the surface of the water repellent layer is Is a R10 or more, and the water-absorbing layer of the second layer has a basis weight of 165 to 400 g / m 2 , and is solved by a combination paper characterized by comprising a pulp and a paper strength enhancer .
以下に本発明の好ましい実施態様を以下に記載する：
− パルプとして木材パルプや非木材パルプ、化学繊維を使用する。
− パルプの叩解度がカナダ標準濾水度（ＣＳＦ）で、２５０〜７００ｍｌである。
− 第１層の撥水層と第２層の吸水層において、撥水層又は吸水層のいずれか一方に染料又は顔料が配合されている。
Preferred embodiments of the present invention below you described below:
- used as a pulp wood pulp and non-wood pulp, the chemical fiber.
- beating degree of pulp in the Canadian Standard Freeness (CSF), Ru 250~700ml der.
-In the water-repellent layer of the first layer and the water-absorbent layer of the second layer, a dye or a pigment is blended in either the water-repellent layer or the water-absorbent layer.
本発明の撥水層と吸水層から成るコンビネーション紙は、従来の吸水性能をもった紙とポリエチレンフィルムシートとのラミネート紙、撥水性紙材よりなる吸水シートとの組合せ物並びに不織布構造体に比べて、離解性が優れており、低コスト、省力、省資源、リサイクルに大きく貢献するものである。 The combination paper comprising the water-repellent layer and the water-absorbing layer of the present invention is a laminate paper of a paper having a water-absorbing performance and a polyethylene film sheet, a combination of a water-absorbing sheet made of a water-repellent paper material, and a nonwoven fabric structure. It has excellent disaggregation and contributes greatly to low cost, labor saving, resource saving and recycling.
本発明のコンビネーション紙を製造するための使用材料及び製造条件について説明する。 Materials used and production conditions for producing the combination paper of the present invention will be described.
本発明に用いられる木材パルプとしては、ＬＢＫＰ（広葉樹晒クラフトパルプ）、ＮＢＫＰ（針葉樹晒クラフトパルプ）などがあげられる。非木材パルプとしてはケナフパルプなどがあげられる。化学繊維としては、レーヨン繊維、ポリエステル繊維などがあげられる。 Examples of the wood pulp used in the present invention include LBKP (hardwood bleached kraft pulp) and NBKP (softwood bleached kraft pulp). Examples of non-wood pulp include kenaf pulp. Examples of chemical fibers include rayon fibers and polyester fibers.
パルプの叩解度はカナダ標準濾水度(ＣＳＦ)で２５０〜７００ｍｌの範囲が適している。特に吸水性の面から４００ｍｌ〜７００ｍｌが最も好ましい。 The pulp beating degree is Canadian standard freeness (CSF), and a range of 250 to 700 ml is suitable. In particular, from the viewpoint of water absorption, 400 ml to 700 ml is most preferable.
本発明に用いられる撥水剤としては撥水性を考慮して、パラフィンワックスエマルジョン、アクリル樹脂、アクリル共重合樹脂、ポリエステル樹脂など、どの撥水剤を用いてもよい。コンビネーション紙を食品用として用いる場合には、アクリル樹脂、アクリル共重合樹脂、ポリエステル樹脂を使用するのが好ましい。 As the water repellent used in the present invention, any water repellent such as paraffin wax emulsion, acrylic resin, acrylic copolymer resin, and polyester resin may be used in consideration of water repellency. When the combination paper is used for food, it is preferable to use an acrylic resin, an acrylic copolymer resin, or a polyester resin.
撥水剤はパルプ原料に内添して使用してもよく、あるいは、サイズプレスなどで外添塗工しても、撥水性を得る事ができる。 The water repellent may be used by being internally added to the pulp raw material, or water repellency can be obtained even by external addition coating with a size press or the like.
撥水層での撥水剤の配合率は、パルプに対して０．１重量％〜５０重量％配合するのが好ましい。０．１重量％未満では十分な撥水性を得る事ができない。サイズプレスなどで外添する場合においては、５０重量％を超えるとロールの汚れやアフタードライヤーの汚れが起こる。さらに好ましくは０．１重量％〜４５重量％、特に好ましくは１重量％〜４０重量％である。 The mixing ratio of the water repellent agent in the water repellent layer is preferably 0.1% by weight to 50% by weight based on the pulp. If it is less than 0.1% by weight, sufficient water repellency cannot be obtained. In the case of external addition with a size press or the like, if it exceeds 50% by weight, dirt on the roll or after-dryer will occur. More preferably, they are 0.1 weight%-45 weight%, Most preferably, they are 1 weight%-40 weight%.
本発明に用いられる紙力増強剤としては水分やドリップに接触あるいは、吸水しても紙力が衰えないものであり、ポリアミド樹脂、エピクロロヒドリン樹脂、ポリアミドエピクロロヒドリン樹脂、メラミン樹脂、尿素樹脂などがあげられる。食品用として用いるには、メラミン樹脂、尿素樹脂はホルマリンを発生する恐れがあるため、ポリアミド樹脂、エピクロロヒドリン樹脂、ポリアミドエピクロロヒドリン樹脂が好ましい。 As the paper strength enhancer used in the present invention, the paper strength does not deteriorate even if it contacts or absorbs moisture or drip, and polyamide resin, epichlorohydrin resin, polyamide epichlorohydrin resin, melamine resin, Examples include urea resin. For use in foods, polyamide resins, epichlorohydrin resins, and polyamide epichlorohydrin resins are preferred because melamine resins and urea resins may generate formalin.
紙力増強剤の配合率は、撥水層あるいは吸水層のパルプに対してそれぞれ０．１重量％〜５０重量％配合することが好ましい。０．１重量％未満であると、十分な湿潤強度が得られない。５０重量％を超えると、吸水層の吸水性が劣り好ましくない。さらに好ましくは１重量％〜４５重量％、特に好ましくは１重量％〜３０重量％である。 The blending ratio of the paper strength enhancer is preferably 0.1% by weight to 50% by weight based on the water repellent layer or the water absorbing layer pulp. If it is less than 0.1% by weight, sufficient wet strength cannot be obtained. If it exceeds 50% by weight, the water absorption of the water absorbing layer is inferior, which is not preferable. More preferably, it is 1 to 45% by weight, and particularly preferably 1 to 30% by weight.
第１層の撥水層と第２層の吸水層を識別する為に、撥水層あるいは吸水層に着色の目的で染料または顔料を配合してもよい。この場合、食品に用いる際は食品に染料、顔料が付着しないようにしなければならない。撥水層に着色する場合は、撥水剤の配合量をパルプに対して０．１重量％以上にすることが好ましい。 In order to distinguish between the first water-repellent layer and the second water-absorbing layer, a dye or pigment may be blended in the water-repellent layer or the water-absorbing layer for the purpose of coloring. In this case, it is necessary to prevent dyes and pigments from adhering to food when used in food. When the water repellent layer is colored, it is preferable that the amount of the water repellent is 0.1% by weight or more based on the pulp.
本発明の２層抄き原紙抄造は、円網多筒式抄紙機で行なうことができるが、特にこの方式に限定されるものではない。 The double-layer papermaking of the present invention can be performed with a circular multi-cylinder paper machine, but is not particularly limited to this method.
原紙物性として、撥水層坪量は３５〜１２０ｇ／ｍ２の範囲、吸水層坪量は１６５〜４００ｇ／ｍ２の範囲が適している。 As the properties of the base paper, a water repellent layer basis weight in the range of 35 to 120 g / m 2 and a water absorption layer basis weight in the range of 165 to 400 g / m 2 are suitable.
紙厚は使用目的に応じて変えることができるが、一般に０．３００〜０．９００ｍｍが好ましい。しかしながらこの範囲に限定されない。撥水性はＲ１０以上でありそして吸水性は試験片を巾２５ｍｍ×長さ１００ｍｍの帯状に断裁したものを、２５℃の水に縦に垂直に１０分間漬けて、水面よりの水が染み込んで湿っている個所の高さが３５ｃｍ以上の適切な範囲にする必要がある。 The paper thickness can be changed according to the purpose of use, but generally 0.300 to 0.900 mm is preferable. However, it is not limited to this range. The water repellency is R10 or more, and the water absorption is a strip of a 25 mm wide x 100 mm long test piece that is immersed vertically in water at 25 ° C for 10 minutes, soaked with water from the surface. It is necessary to make the height of the place where it is in an appropriate range of 35 cm or more.
以上、本発明のコンビネーション紙の提供により、プラスチックフィルムの併用や不織布を使用せずに、パルプや化学繊維に撥水剤を使用する事で、安価で省力性が優れ、使用後は回収して、再び紙に１００％リサイクル可能なリサイクル適性をもたせた撥水層と吸水層を併せ持つコンビネーション紙が実用化できることになった。 As described above, by providing the combination paper of the present invention, by using a water-repellent agent for pulp and chemical fibers without using a plastic film or using a nonwoven fabric, it is inexpensive and has excellent labor savings. As a result, a combination paper having both a water-repellent layer and a water-absorbing layer, which is 100% recyclable, can be put into practical use.
以下、本発明のコンビネーション紙の具体的な構成を、実施例に基づいて説明する。本発明はこれら実施例によって制限を受けるものではない。なお特に断らない限り例中の配合％、添加％及び重量は固形分換算での重量％を示す。
また全ての例について抄造した紙はJIS P 8111に準じて前処理を行った後、紙質試験を行った。
Hereinafter, a specific configuration of the combination paper of the present invention will be described based on examples. The present invention is not limited by these examples. Unless otherwise specified, the blending percentage, addition percentage and weight in the examples are weight percentages in terms of solid content.
In all cases, the papers made were pretreated according to JIS P8111 and then subjected to a paper quality test.
実施例： Example:
撥水層の原料はＮＢＫＰ（針葉樹晒クラフトパルプ）を１００％として、叩解度を４００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％、撥水剤（製造元：フタバファインケミカル（株）、商品名：フェニックスＣＷＡ−９００、成分：アクリル共重合樹脂、ポリエステル樹脂の配合品）を対パルプ２０重量％配合した。吸水層の原料はＬＢＫＰ（広葉樹晒クラフトパルプ）を１００％とし、叩解度を４００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％配合した。 The raw material for the water repellent layer is NBKP (conifer bleached kraft pulp), the beating degree is 400 ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydride) (Phosphorus resin) 10% by weight of pulp, water repellent (Manufacturer: Futaba Fine Chemical Co., Ltd., trade name: Phoenix CWA-900, component: blend of acrylic copolymer resin and polyester resin) 20% by weight of pulp did. The raw material of the water absorption layer is LBKP (hardwood bleached kraft pulp) 100%, beating degree 400 ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin) Resin) was added at 10% by weight to the pulp.
撥水層坪量３５ｇ／ｍ２、吸水層坪量１６５ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。この得られたコンビネーション紙の一部分を概略的に図1に図示する。 A two-layer base paper having a water repellent layer basis weight of 35 g / m 2 and a water absorption layer basis weight of 165 g / m 2 was made to obtain the combination paper of the present invention. A portion of the resulting combination paper is schematically illustrated in FIG.
実施例１において吸水層のパルプ原料をＮＢＫＰ（針葉樹晒クラフトパルプ）１００％とした以外は、実施例１と同様にして本発明のコンビネーション紙を得た。 A combination paper of the present invention was obtained in the same manner as in Example 1 except that the pulp material of the water absorbing layer in Example 1 was NBKP (coniferous bleached kraft pulp) 100%.
撥水層の原料は、ＮＢＫＰ（針葉樹晒クラフトパルプ）を５０％、ＬＢＫＰ（広葉樹晒クラフトパルプ）を５０％として、叩解度を４００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％、撥水剤（商品名：フェニックスＣＷＡ−９００、成分：アクリル共重合樹脂、ポリエステル樹脂の配合品）を対パルプ２０重量％配合した。吸水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ２０重量％配合した。 The raw material for the water repellent layer is NBKP (softwood bleached kraft pulp) 50%, LBKP (hardwood bleached kraft pulp) 50%, beating degree 400ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., product) Name: WS-4020, component: polyamide epichlorohydrin resin) 10% by weight of pulp, water repellent (trade name: Phoenix CWA-900, component: blend of acrylic copolymer resin, polyester resin) 20% by weight was blended. The raw material of the water absorption layer is NBKP 50%, LBKP 50%, beating degree 400ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin) Resin) was added in an amount of 20% by weight to the pulp.
撥水層坪量３５ｇ／ｍ２、吸水層坪量１６５ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。
［参考例４］
A two-layer base paper having a water repellent layer basis weight of 35 g / m 2 and a water absorption layer basis weight of 165 g / m 2 was made to obtain the combination paper of the present invention.
[ Reference Example 4]
撥水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％配合し、サイズプレスで撥水剤（製造元：フタバファインケミカル（株）、商品名：フェニックスＣＷＡ−９００、成分：アクリル共重合樹脂、ポリエステル樹脂の配合品）を対パルプ２０重量％外添塗工した。吸水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を５００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％配合した。 The raw material for the water repellent layer is NBKP 50%, LBKP 50%, beating degree 400ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydride) (Phosphorus resin) is mixed with 10% by weight of pulp, and a water repellent (manufacturer: Futaba Fine Chemical Co., Ltd., trade name: Phoenix CWA-900, ingredient: blend of acrylic copolymer resin, polyester resin) is used with a size press. The pulp was externally coated by 20% by weight. The raw material for the water-absorbing layer is NBKP 50%, LBKP 50%, beating degree 500 ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin) Resin) was added at 10% by weight to the pulp.
撥水層坪量３５ｇ／ｍ２、吸水層坪量１６５ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。 A two-layer base paper having a water repellent layer basis weight of 35 g / m 2 and a water absorption layer basis weight of 165 g / m 2 was made to obtain the combination paper of the present invention.
撥水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を２５０ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％、撥水剤（製造元：フタバファインケミカル（株）、商品名：フェニックスＣＷＡ−９００、成分：アクリル共重合樹脂、ポリエステル樹脂の配合品）を対パルプ２０重量％配合した。吸水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を２５０ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％配合した。 The raw material for the water repellent layer is NBKP 50%, LBKP 50%, beating degree 250ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydride) (Phosphorus resin) 10% by weight of pulp, water repellent (Manufacturer: Futaba Fine Chemical Co., Ltd., trade name: Phoenix CWA-900, component: blend of acrylic copolymer resin and polyester resin) 20% by weight of pulp did. The raw material for the water absorption layer is NBKP 50%, LBKP 50%, beating degree 250ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin) Resin) was added at 10% by weight to the pulp.
撥水層坪量３５ｇ／ｍ２、吸水層坪量１６５ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。 A two-layer base paper having a water repellent layer basis weight of 35 g / m 2 and a water absorption layer basis weight of 165 g / m 2 was made to obtain the combination paper of the present invention.
撥水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を７００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％、撥水剤（製造元：フタバファインケミカル（株）、商品名：フェニックスＣＷＡ−９００、成分：アクリル共重合樹脂、ポリエステル樹脂の配合品）を対パルプ２０重量％配合した。吸水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を７００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％配合した。 The raw material for the water repellent layer is NBKP 50%, LBKP 50%, beating degree 700 ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydride) (Phosphorus resin) 10% by weight of pulp, water repellent (Manufacturer: Futaba Fine Chemical Co., Ltd., trade name: Phoenix CWA-900, component: blend of acrylic copolymer resin and polyester resin) 20% by weight of pulp did. The raw material of the water absorption layer is NBKP 50%, LBKP 50%, beating degree 700ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin) Resin) was added at 10% by weight to the pulp.
撥水層坪量１２０ｇ／ｍ２、吸水層坪量４００ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。 A two-layer base paper having a water repellent layer basis weight of 120 g / m 2 and a water absorption layer basis weight of 400 g / m 2 was made to obtain the combination paper of the present invention.
撥水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４５０ｍｌとしたものに、ポリエステル繊維（製造元：ユニチカ（株）、商品名、ポリエステルＮ−８０１）を対パルプ５０重量％の配分で混合し、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％、撥水剤（製造元：フタバファインケミカル（株）、商品名：フェニックスＣＷＡ−９００、成分：アクリル共重合樹脂、ポリエステル樹脂の配合品）を対パルプ２０重量％配合した。吸水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４５０ｍｌとしたものに、ポリエステル繊維（製造元：ユニチカ（株）、商品名、ポリエステルＮ−８０１）を５０％の配分で混合し、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％配合した。 The material of the water repellent layer is 50% NBKP, 50% LBKP, and the beating degree is 450 ml. Polyester fiber (manufacturer: Unitika Ltd., trade name, polyester N-801) is 50 weights of pulp. %, And a paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin resin) is 10% by weight of pulp, water repellent (manufacturer: Futaba) Fine Chemical Co., Ltd., trade name: Phoenix CWA-900, component: blended product of acrylic copolymer resin and polyester resin) was blended with 20% by weight of pulp. The raw material of the water-absorbing layer is 50% NBKP, 50% LBKP, and the beating degree is 450 ml, with 50% distribution of polyester fiber (manufacturer: Unitika Ltd., trade name, polyester N-801). The mixture was mixed, and a paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin resin) was mixed with 10% by weight of pulp.
撥水層坪量１２０ｇ／ｍ２、吸水層坪量４００ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。 A two-layer base paper having a water repellent layer basis weight of 120 g / m 2 and a water absorption layer basis weight of 400 g / m 2 was made to obtain the combination paper of the present invention.
撥水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、ポリエステル繊維（製造元：ユニチカ（株）、商品名、ポリエステルＮ−８０１）を対パルプ５０重量％の配分で混合し、叩解度を４５０ｍｌとしたものに、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％、撥水剤（製造元：フタバファインケミカル（株）、商品名：フェニックスＣＷＡ−９００、成分：アクリル共重合樹脂、ポリエステル樹脂の配合品）を対パルプ２０重量％配合した。 The raw material of the water repellent layer is 50% NBKP, 50% LBKP, polyester fiber (manufacturer: Unitika Co., Ltd., trade name, polyester N-801) is mixed at a distribution of 50% by weight of pulp and the degree of beating Is added to a paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin resin), 10% by weight of pulp, water repellent (manufacturer: Futaba) Fine Chemical Co., Ltd., trade name: Phoenix CWA-900, component: blended product of acrylic copolymer resin and polyester resin) was blended with 20% by weight of pulp.
吸水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、ポリエステル繊維（製造元：ユニチカ（株）、商品名、ポリエステルＮ−８０１）を対パルプ５０重量％の配分で混合し、叩解度を４５０ｍｌとしたものに、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％配合した。 The raw material of the water absorption layer is NBKP 50%, LBKP 50%, polyester fiber (manufacturer: Unitika Co., Ltd., trade name, polyester N-801) is mixed at a distribution of 50% by weight of pulp, and the beating degree is adjusted. A paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin resin) was blended with 10% by weight of the pulp to 450 ml.
撥水層坪量１２０ｇ／ｍ２、吸水層坪量４００ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。 A two-layer base paper having a water repellent layer basis weight of 120 g / m 2 and a water absorption layer basis weight of 400 g / m 2 was made to obtain the combination paper of the present invention.
撥水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％、撥水剤（製造元：フタバファインケミカル（株）、商品名：フェニックスＣＷＡ−９００、成分：アクリル共重合樹脂、ポリエステル樹脂の配合品）を対パルプ０．１重量％配合した。吸水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％配合した。 The raw material for the water repellent layer is NBKP 50%, LBKP 50%, beating degree 400ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydride) Phosphorus resin) 10% by weight of pulp, water repellent (manufacturer: Futaba Fine Chemical Co., Ltd., trade name: Phoenix CWA-900, component: blend of acrylic copolymer resin and polyester resin) 0.1% by weight of pulp % Blended. The raw material of the water absorption layer is NBKP 50%, LBKP 50%, beating degree 400ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin) Resin) was added at 10% by weight to the pulp.
撥水層坪量１２０ｇ／ｍ２、吸水層坪量４００ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。
［参考例１０］
A two-layer base paper having a water repellent layer basis weight of 120 g / m 2 and a water absorption layer basis weight of 400 g / m 2 was made to obtain the combination paper of the present invention.
[ Reference Example 10]
撥水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％配合し、サイズプレスで撥水剤（製造元：フタバファインケミカル（株）、商品名：フェニックスＣＷＡ−９００、成分：アクリル共重合樹脂、ポリエステル樹脂の配合品）を対パルプ４５重量％外添塗工した。吸水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％配合した。 The raw material for the water repellent layer is NBKP 50%, LBKP 50%, beating degree 400ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydride) (Phosphorus resin) is mixed with 10% by weight of pulp, and a water repellent (manufacturer: Futaba Fine Chemical Co., Ltd., trade name: Phoenix CWA-900, ingredient: blend of acrylic copolymer resin, polyester resin) is used with a size press. A 45% by weight pulp was externally applied. The raw material of the water absorption layer is NBKP 50%, LBKP 50%, beating degree 400ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin) Resin) was added at 10% by weight to the pulp.
撥水層坪量３５ｇ／ｍ２、吸水層坪量１６５ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。 A two-layer base paper having a water repellent layer basis weight of 35 g / m 2 and a water absorption layer basis weight of 165 g / m 2 was made to obtain the combination paper of the present invention.
撥水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ０．１重量％、撥水剤（製造元：フタバファインケミカル（株）、商品名：フェニックスＣＷＡ−９００、成分：アクリル共重合樹脂、ポリエステル樹脂の配合品）を対パルプ２０重量％配合した。吸水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ０．１重量％配合した。 The raw material for the water repellent layer is NBKP 50%, LBKP 50%, beating degree 400ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydride) Phosphorus resin) 0.1% by weight of pulp, water repellent (manufacturer: Futaba Fine Chemical Co., Ltd., trade name: Phoenix CWA-900, component: blend of acrylic copolymer resin and polyester resin) 20% by weight of pulp % Blended. The raw material of the water absorption layer is NBKP 50%, LBKP 50%, beating degree 400ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin) Resin) was added at 0.1% by weight to the pulp.
撥水層坪量３５ｇ／ｍ２、吸水層坪量１６５ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。 A two-layer base paper having a water repellent layer basis weight of 35 g / m 2 and a water absorption layer basis weight of 165 g / m 2 was made to obtain the combination paper of the present invention.
撥水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ５０重量％、撥水剤（商品名：フェニックスＣＷＡ−９００、成分：アクリル共重合樹脂、ポリエステル樹脂の配合品）を対パルプ２０重量％配合した。吸水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ５０重量％配合した。 The raw material for the water repellent layer is NBKP 50%, LBKP 50%, beating degree 400ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydride) (Phosphorus resin) was added to 50% by weight of pulp, and water repellent (trade name: Phoenix CWA-900, component: blend of acrylic copolymer resin and polyester resin) was added to 20% by weight of pulp. The raw material of the water absorption layer is NBKP 50%, LBKP 50%, beating degree 400ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin) Resin) was added to 50% by weight of pulp.
撥水層坪量３５ｇ／ｍ２、吸水層坪量１６５ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。 A two-layer base paper having a water repellent layer basis weight of 35 g / m 2 and a water absorption layer basis weight of 165 g / m 2 was made to obtain the combination paper of the present invention.
実施例９において撥水層の原料に内添顔料を（製造元：御国色素（株）、商品名：ＳＰブルーＭＲ、成分：顔料分散品）を対パルプ０．１重量％配合した以外は、実施例９と同様にして本発明のコンビネーション紙を得た。 In Example 9, except that 0.1 wt% of the internal additive pigment (manufacturer: Gokoku Color Co., Ltd., trade name: SP Blue MR, component: pigment dispersion) was added to the raw material of the water repellent layer. In the same manner as in Example 9, a combination paper of the present invention was obtained.
吸水性能をもった紙とポリエチレンフィルムをラミネートしたシートを用いた。 A sheet laminated with a paper having a water absorption performance and a polyethylene film was used.
撥水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を２００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％、撥水剤（製造元：フタバファインケミカル（株）、商品名：フェニックスＣＷＡ−９００、成分：アクリル共重合樹脂、ポリエステル樹脂の配合品）を対パルプ２０重量％配合した。吸水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を２００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％配合した。 The raw material for the water repellent layer is NBKP 50%, LBKP 50%, beating degree 200 ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydride) (Phosphorus resin) 10% by weight of pulp, water repellent (Manufacturer: Futaba Fine Chemical Co., Ltd., trade name: Phoenix CWA-900, component: blend of acrylic copolymer resin and polyester resin) 20% by weight of pulp did. The raw material of the water absorption layer is NBKP 50%, LBKP 50%, beating degree 200ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin) Resin) was added at 10% by weight to the pulp.
撥水層坪量３５ｇ／ｍ２、吸水層坪量１６５ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。 A two-layer base paper having a water repellent layer basis weight of 35 g / m 2 and a water absorption layer basis weight of 165 g / m 2 was made to obtain the combination paper of the present invention.
撥水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を７５０ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％、撥水剤（製造元：フタバファインケミカル（株）、商品名：フェニックスＣＷＡ−９００、成分：アクリル共重合樹脂、ポリエステル樹脂の配合品）を対パルプ２０重量％配合した。吸水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を７５０ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％配合した。 The raw material of the water repellent layer is NBKP 50%, LBKP 50%, beating degree 750 ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydride) (Phosphorus resin) 10% by weight of pulp, water repellent (Manufacturer: Futaba Fine Chemical Co., Ltd., trade name: Phoenix CWA-900, component: blend of acrylic copolymer resin and polyester resin) 20% by weight of pulp did. The raw material of the water absorption layer is NBKP 50%, LBKP 50%, beating degree 750 ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin) Resin) was added at 10% by weight to the pulp.
撥水層坪量３５ｇ／ｍ２、吸水層坪量１６５ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。 A two-layer base paper having a water repellent layer basis weight of 35 g / m 2 and a water absorption layer basis weight of 165 g / m 2 was made to obtain the combination paper of the present invention.
撥水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４５０ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％、撥水剤（製造元：フタバファインケミカル（株）、商品名：フェニックスＣＷＡ−９００、成分：アクリル共重合樹脂、ポリエステル樹脂の配合品）を対パルプ０．０５重量％配合した。吸水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４５０ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％配合した。 The raw material for the water repellent layer is NBKP 50%, LBKP 50%, beating degree 450ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydride) Phosphorus resin) 10% by weight of pulp, water repellent (manufacturer: Futaba Fine Chemical Co., Ltd., trade name: Phoenix CWA-900, component: blend of acrylic copolymer resin and polyester resin) 0.05% by weight of pulp % Blended. The raw material of the water absorption layer is NBKP 50%, LBKP 50%, beating degree 450ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin) Resin) was added at 10% by weight to the pulp.
撥水層坪量３５ｇ／ｍ２、吸水層坪量１６５ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。 A two-layer base paper having a water repellent layer basis weight of 35 g / m 2 and a water absorption layer basis weight of 165 g / m 2 was made to obtain the combination paper of the present invention.
撥水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４５０ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ０．０５重量％、撥水剤（製造元：フタバファインケミカル（株）、商品名：フェニックスＣＷＡ−９００、成分：アクリル共重合樹脂、ポリエステル樹脂の配合品）を対パルプ２０重量％配合した。吸水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４５０ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ０．０５重量％配合した。 The raw material for the water repellent layer is NBKP 50%, LBKP 50%, beating degree 450ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydride) (Phosphorus resin) 0.05% by weight of pulp, water repellent (manufacturer: Futaba Fine Chemical Co., Ltd., trade name: Phoenix CWA-900, component: blend of acrylic copolymer resin and polyester resin) 20% by weight of pulp % Blended. The raw material of the water absorption layer is NBKP 50%, LBKP 50%, beating degree 450ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin) Resin) was added in an amount of 0.05% by weight to the pulp.
撥水層坪量３５ｇ／ｍ２、吸水層坪量１６５ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。 A two-layer base paper having a water repellent layer basis weight of 35 g / m 2 and a water absorption layer basis weight of 165 g / m 2 was made to obtain the combination paper of the present invention.
撥水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％配合し、サイズプレスで撥水剤（製造元：フタバファインケミカル（株）、商品名：フェニックスＣＷＡ−９００、成分：アクリル共重合樹脂、ポリエステル樹脂の配合品）を対パルプ５５重量％外添塗工した。吸水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％配合した。 The raw material for the water repellent layer is NBKP 50%, LBKP 50%, beating degree 400ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydride) (Phosphorus resin) is mixed with 10% by weight of pulp, and a water repellent (manufacturer: Futaba Fine Chemical Co., Ltd., trade name: Phoenix CWA-900, ingredient: blend of acrylic copolymer resin, polyester resin) is used with a size press. A 55% by weight pulp was externally applied. The raw material of the water absorption layer is NBKP 50%, LBKP 50%, beating degree 400ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin) Resin) was added at 10% by weight to the pulp.
撥水層坪量３５ｇ／ｍ２、吸水層坪量１６５ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。 A two-layer base paper having a water repellent layer basis weight of 35 g / m 2 and a water absorption layer basis weight of 165 g / m 2 was made to obtain the combination paper of the present invention.
撥水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４５０ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ５３重量％、撥水剤（製造元：フタバファインケミカル（株）、商品名：フェニックスＣＷＡ−９００、成分：アクリル共重合樹脂、ポリエステル樹脂の配合品）を対パルプ２０重量％配合した。吸水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４５０ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ５１重量％配合した。 The raw material for the water repellent layer is NBKP 50%, LBKP 50%, beating degree 450ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydride) (Phosphorus resin) 53% by weight of pulp, water repellent (Manufacturer: Futaba Fine Chemical Co., Ltd., trade name: Phoenix CWA-900, component: blend of acrylic copolymer resin and polyester resin) 20% by weight of pulp did. The raw material of the water absorption layer is NBKP 50%, LBKP 50%, beating degree 450ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin) Resin) was added to 51% by weight of pulp.
撥水層坪量３５ｇ／ｍ２、吸水層坪量１６５ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。 A two-layer base paper having a water repellent layer basis weight of 35 g / m 2 and a water absorption layer basis weight of 165 g / m 2 was made to obtain the combination paper of the present invention.
撥水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％、内添填料を（製造元：御国色素（株）、商品名：ＳＰブルーＭＲ、成分：顔料分散品）を対パルプ０．１重量％配合した。吸水層の原料は、ＮＢＫＰを５０％、ＬＢＫＰを５０％として、叩解度を４００ｍｌとし、紙力増強剤（製造元：星光ＰＭＣ（株）、商品名：ＷＳ−４０２０、成分：ポリアミドエピクロロヒドリン樹脂）を対パルプ１０重量％配合した。 The raw material for the water repellent layer is NBKP 50%, LBKP 50%, beating degree 400ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydride) (Phosphorus resin) was added to 10% by weight of pulp, and internal filler (manufacturer: Gokoku Dye Co., Ltd., trade name: SP Blue MR, component: pigment dispersion) was added to 0.1% by weight of pulp. The raw material of the water absorption layer is NBKP 50%, LBKP 50%, beating degree 400ml, paper strength enhancer (manufacturer: Seiko PMC Co., Ltd., trade name: WS-4020, component: polyamide epichlorohydrin) Resin) was added at 10% by weight to pulp.
撥水層坪量１２０ｇ／ｍ２、吸水層坪量４００ｇ／ｍ２の２層原紙を抄紙し、本発明のコンビネーション紙を得た。 A two-layer base paper having a water repellent layer basis weight of 120 g / m 2 and a water absorption layer basis weight of 400 g / m 2 was made to obtain the combination paper of the present invention.
得られた結果を表１に示す。 The obtained results are shown in Table 1.
コンビネーション紙の評価：
紙質試験は得られたコンビネーション紙を２３℃、５０％相対湿度で調湿後、ＪＩＳ Ｐ ８１１１に準じ、規格及び以下の方法に準拠して測定した。
Evaluation of combination paper:
In the paper quality test, the obtained combination paper was conditioned at 23 ° C. and 50% relative humidity, and then measured according to JIS P 8111 according to the standard and the following method.
坪量：ＪＩＳ Ｐ ８１２４。 Basis weight: JIS P 8124.
厚さ：ＪＩＳ Ｐ ８１１８。 Thickness: JIS P 8118.
離解性：
撥水層と吸水層のコンビネーション紙を２０ｍｍ×２０ｍｍに切り取った紙、約４０gを２リットルの２５℃の水に入れ、ＴＡＰＰＩ（米国紙パルプ技術協会）標準パルプ離解試験機で１５分間離解を行い以下の２段階で評価した：
○：紙片が米粒状に離解された状態で良好。
Disaggregation:
Paper with a combination of water repellent layer and water absorbing layer cut to 20 mm x 20 mm, about 40 g is placed in 2 liters of water at 25 ° C, and disaggregated for 15 minutes with a TAPPI (American Pulp and Paper Technology Association) standard pulp disaggregation tester. The following two levels were evaluated:
○: Good in a state where the piece of paper is disaggregated into rice grains.
×：紙片が米粒よりも大きい状態で実用に絶えず不良。 X: The paper piece is larger than the rice grain, and it is constantly in practical use.
撥水性：
ＪＡＰＡＮ ＴＡＰＰＩ No.６８（旧ＪＩＳ Ｐ ８１３７）の試験方法で撥水層面を評価した。撥水性はＲ１０以上であれば実用上問題ない。
Water repellency:
The water-repellent layer surface was evaluated by the test method of JAPAN TAPPI No. 68 (former JIS P 8137). If the water repellency is R10 or more, there is no practical problem.
吸水性：
撥水層と吸水層のコンビネーション紙を巾２５ｍｍ×長さ１００ｍｍの帯状に断裁したものを、２５℃の水に縦に垂直に１０分間漬け、吸水面の水がしみ込む高さを測定して以下の３段階で評価を行った：
○:３５ｃｍ以上は吸水性が強く良好。
Water absorption:
A combination of water-repellent layer and water-absorbing layer cut into a strip with a width of 25 mm and a length of 100 mm is immersed vertically in water at 25 ° C. for 10 minutes, and the height at which the water on the water-absorbing surface soaks is measured. Evaluation was performed in three stages:
○: 35 cm or more has good water absorption.
△ :３０〜３５ｃｍはやや吸水性が劣る。 Δ: 30-35 cm is slightly inferior in water absorption.
× :３０ｃｍ未満は吸水性が劣り実用に絶えない。 X: Less than 30 cm is inferior in water absorption and is not practical.
湿潤状態での表面強度：
５０ｍｍ×５０ｍｍの試験の中央部分に水滴を５滴落とし、１０分後に親指で３０往復擦った時の表面を観察して以下の３段階で評価を行なった：
○：破れや毛羽立ちのない状態。
Surface strength when wet:
Five drops of water were dropped at the center of the 50 mm × 50 mm test, and the surface when rubbed 30 times with the thumb after 10 minutes was observed, and the evaluation was made in the following three stages:
○: No tearing or fuzzing.
△：破れや毛羽立ちがやや生じる状態。 (Triangle | delta): The state in which tearing and fluffing occur a little.
×：破れや毛羽立ちがひどく起き実用に絶えない状態。 X: A state in which tearing and fluffing occur severely and is not practically used.
ロールの汚れ：
サイズプレスにて撥水剤を外添塗工した際の、サイズプレスロール表面の汚れを目視で観察して以下の２段階で評価した：
○：汚れ無しで良好。
Roll dirt:
When the water repellent agent was externally applied with a size press, the surface of the size press roll was visually observed and evaluated in the following two steps:
○: Good without dirt.
×：汚れ有りで不良。 X: Dirty and defective.
色の転移：
撥水層と吸水層を識別する為に、撥水層に内添填料を配合し着色した場合において、魚の切り身を撥水層の上に載せ、５℃の冷蔵庫の中で４８時間静置し、魚の切り身に色の転移があるかを目視で観察して以下の２段階で評価した：
○：色の転移無しで良好。
Color transition:
In order to distinguish the water-repellent layer from the water-absorbing layer, when the water-repellent layer is colored with an internal filler, the fish fillet is placed on the water-repellent layer and left in a refrigerator at 5 ° C. for 48 hours. The fish fillet was visually observed for color transition and evaluated in two stages:
○: Good with no color transition.
×：色の転移有りで不良。
X: Poor due to color transfer.
Claims (5)
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5242907A (en) * | 1975-10-01 | 1977-04-04 | Kuraray Co | One side water repellent paper |
| JPS5748294U (en) * | 1980-09-03 | 1982-03-18 | ||
| JPH0391153U (en) * | 1989-12-27 | 1991-09-17 | ||
| JPH08209551A (en) * | 1995-01-25 | 1996-08-13 | Daifuku Seishi Kk | Coloring of fibrous sheet-like product |
| JPH10131099A (en) * | 1996-10-18 | 1998-05-19 | Oji Paper Co Ltd | Pulp molding product |
| JP2000173898A (en) * | 1998-12-08 | 2000-06-23 | Sanee Giken Kk | Exposure system |
| JP2004277897A (en) * | 2003-03-13 | 2004-10-07 | Daio Paper Corp | Method for producing liner paper and liner paper |
-
2004
- 2004-02-19 JP JP2004042858A patent/JP4551098B2/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5242907A (en) * | 1975-10-01 | 1977-04-04 | Kuraray Co | One side water repellent paper |
| JPS5748294U (en) * | 1980-09-03 | 1982-03-18 | ||
| JPH0391153U (en) * | 1989-12-27 | 1991-09-17 | ||
| JPH08209551A (en) * | 1995-01-25 | 1996-08-13 | Daifuku Seishi Kk | Coloring of fibrous sheet-like product |
| JPH10131099A (en) * | 1996-10-18 | 1998-05-19 | Oji Paper Co Ltd | Pulp molding product |
| JP2000173898A (en) * | 1998-12-08 | 2000-06-23 | Sanee Giken Kk | Exposure system |
| JP2004277897A (en) * | 2003-03-13 | 2004-10-07 | Daio Paper Corp | Method for producing liner paper and liner paper |
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