KR20020091500A - A manufacturing method of Sheets of Paper using a Polymer of high absorption - Google Patents

A manufacturing method of Sheets of Paper using a Polymer of high absorption Download PDF

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Publication number
KR20020091500A
KR20020091500A KR1020010030232A KR20010030232A KR20020091500A KR 20020091500 A KR20020091500 A KR 20020091500A KR 1020010030232 A KR1020010030232 A KR 1020010030232A KR 20010030232 A KR20010030232 A KR 20010030232A KR 20020091500 A KR20020091500 A KR 20020091500A
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South Korea
Prior art keywords
paper
high absorption
superabsorbent polymer
polymer
adhesive
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KR1020010030232A
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Korean (ko)
Inventor
안상은
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안상은
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Priority to KR1020010030232A priority Critical patent/KR20020091500A/en
Publication of KR20020091500A publication Critical patent/KR20020091500A/en

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/32—Multi-ply with materials applied between the sheets
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/80—Paper comprising more than one coating
    • D21H19/84—Paper comprising more than one coating on both sides of the substrate

Abstract

PURPOSE: A manufacturing method of paper sheet using high absorption polymer is provided which is characterized by being thin, making it possible to cut in a proper size, reducing volume of products, improving a wearing sense and being useful for a diaper, a sanitary napkin and a wrapping paper for dehumidifying. CONSTITUTION: The paper sheet using high absorption polymer is obtained by a process containing the steps of: mixing swollen high absorption polymer with a mixer having a blade to produce liquid high absorption polymer adhesive; coating one paper with the polymer adhesive; coating the coated paper with high absorption polymer powder, followed by fixing; coating the other paper with the high absorption polymer adhesive; overlapping the coated polymer on the paper fixed with the high absorption polymer; and then drying with an extruding roller having 120deg.C of temperature.

Description

고흡수 폴리머를 이용한 종이시트의 제조 방법 {A manufacturing method of Sheets of Paper using a Polymer of high absorption}A manufacturing method of sheets of paper using a polymer of high absorption}

본 발명은 종이와 종이 사이에 고흡수 폴리머를 성층 도포하여 편상의 얇은 고흡수 종이시트를 제조하는 방법에 관한 것이다.The present invention relates to a method of forming a thin, superabsorbent sheet of paper by laminating a superabsorbent polymer between paper and paper.

고흡수폴리머는 자체 무게의 수 백배에서 수 천배에 이르는 흡수력을 가지고 외부압에 의해서 물을 방출하지 않는 재료로 물을 흡수하여 한천같이 겔화되는 특징을 가지고 있다.The superabsorbent polymer has the absorption power of several hundred times to several thousand times its own weight and has the characteristic of gelling like agar by absorbing water with a material that does not release water by external pressure.

종래에는 고흡수 폴리머를 여성용 생리대나 아기 기저귀의 용도로 사용되고 있으나 이러한 제품들은 펄프 솜에 고흡수 폴리머를 혼합하여 적층시킨 관계로 부피가 큰 결점이 있다. 또한 고흡수 폴리머는 열을 가하였을 때 서로 용융 결합되지 않는 등 다른 합성수지와는 달리 가공처리가 쉽지 않다. 종래의 기술로서 고흡수 폴리머를 열가소성 수지와 혼합하여 성형했을 경우 고흡수 폴리머를 코팅하는 현상으로 수분을 흡수할 수 없게 되는 등의 결점이 있고 PVC 접착테이프나 수지의 표면에 접착제를 바르고 그 위에 고흡수 폴리머를 고착시키는 방법은 바탕자재의 합성수지 특성상 흡수력이 없고 신축성과 촉감이 좋지 않다. 또한 팽윤시 수지에 접착된 것은 제하고는 팽윤된 고흡수 폴리머가 접착면으로 부터 이탈되게 된다.Conventionally, the superabsorbent polymer is used as a feminine sanitary napkin or a baby diaper. However, these products are bulky because they are laminated by mixing the superabsorbent polymer with pulp cotton. In addition, the superabsorbent polymer is not easy to be processed unlike other synthetic resins, such as not being melt-bonded with each other when heated. As a conventional technique, when a super absorbent polymer is mixed with a thermoplastic resin and molded, the super absorbent polymer may be coated, and thus, moisture may not be absorbed. An adhesive may be applied to the surface of the PVC adhesive tape or the resin. The method of fixing the absorbent polymer has no absorbency due to the nature of the synthetic resin of the base material, and the elasticity and touch are not good. In addition, the swollen superabsorbent polymer is separated from the adhesive surface except that the resin is adhered to the resin during the swelling.

본 발명은 상기한 결점을 보완하도록 하는데 있어 고흡수 폴리머를 종이에 고착시키는데 매우 어려운 난점이 있었다.The present invention has a very difficult difficulty in fixing the superabsorbent polymer to paper in order to make up for the above drawbacks.

기존의 접착제는 대개 흡수성이 없는 합성수지이고 PVC로 제조된 수용성 접착제는 고흡수 폴리머가 접착제 자체의 수분을 흡수하여 팽윤된 다른 방법으로, 라텍스를 얇게 도포한 후 그 위에 고흡수 폴리머를 고착하였으나 이 또한 코팅되는 현상에 의해 물을 흡수하지 못하는 결점이 있었다.Conventional adhesives are usually synthetic resins that are not absorbent, and water-soluble adhesives made of PVC are other methods in which the superabsorbent polymer absorbs the moisture of the adhesive itself and swells. After applying a thin layer of latex, the superabsorbent polymer is fixed thereon. There was a drawback of not absorbing water by the phenomenon of coating.

따라서 이 라텍스를 두장의 부직포 각각의 한면에 얇게 도포하고 고흡수 폴리머를 고착시키고 두장을 포개어 제작하였으나 부직포의 기공으로 고흡수 폴리머가 새어나오는 등의 약점이 있었다. 또한 PVA접착제는 사용한 후 흡수속도가 현저히 떨어져 사용하기에 적합지 않았다.Therefore, the latex was applied thinly on one side of each of the two nonwoven fabrics, and the superabsorbent polymer was fixed and the two sheets were superimposed, but the superabsorbent polymer leaked into the pores of the nonwoven fabric. In addition, the PVA adhesive was not suitable for use because the absorption rate is significantly lower after use.

본 발명은 이러한 것을 고려하여 접착제로 고흡수 폴리머를 기본 접착제로 사용하는 방법을 택하였다.In consideration of this, the present invention chose a method of using a super absorbent polymer as a base adhesive.

먼저, 물에 고흡수 폴리머를 팽윤시킨 후 팽윤된 고흡수 폴리머를 회전 칼날이 달린 믹서기로 믹서 시키면 풀처럼 되는데, 이것은 팽윤된 고흡수 폴리머가 겔상태에서 끈끈한 액체상태로 만들어지게 된 것이다. 이렇게 만들어진 고흡수 폴리머를 접착제로 사용하여 두 장의 종이에 각각 한 면에 고흡수폴리머 접착제를 도포한 후 한 장의 종이 위에 도포된 접착면 위에 고흡수 폴리머 분말을 살포시킨 다음다른 한 장의 고흡수 폴리머 접착제가 도포된 종이를 고흡수 폴리머 분말 위에 겹쳐 포개게 된다.First, the superabsorbent polymer is swelled in water, and the swollen superabsorbent polymer is mixed with a rotary blade mixer to form a paste, which causes the swollen superabsorbent polymer to become a sticky liquid in a gel state. Using this superabsorbent polymer as an adhesive, two sheets of superabsorbent polymer adhesive are applied on one side of each paper, and then the superabsorbent polymer powder is sprayed onto the adhesive surface applied on one sheet of paper. The coated paper is superimposed on the superabsorbent polymer powder.

팽윤된 고흡수 폴리머를 접착제로 사용하였기 때문에 그 위에 고착된 고흡수 폴리머는 접착제 자체가 과포화상태가 되어서 고흡수 폴리머의 본래 특징인 흡수력을 잃지 않는다.Since the swollen superabsorbent polymer is used as the adhesive, the superabsorbent polymer fixed thereon does not lose the absorbency, which is the original characteristic of the superabsorbent polymer, because the adhesive itself becomes supersaturated.

두 장의 종이를 서로 포개어 고착된 종이시트는 고흡수 폴리머 분말의 이탈을 방지하고 인장력을 높인다.The paper sheets bonded by stacking two sheets of paper together prevent the separation of the superabsorbent polymer powder and increase the tensile force.

이렇게 제작된 종이시트를 120℃의 압출롤러를 이용하여 연속 건조시켜 제조한다.The paper sheet thus produced is manufactured by continuous drying using an extrusion roller at 120 ℃.

본 발명은 고흡수 폴리머를 종이시트로 얇게 제작하는 방법으로서 사용하고자 하는 용도에 맞는 크기로 절단하여 사용할 수 있으며 아기 기저귀의 부피를 줄이고 착용감을 증진시키는 효과가 있으며 습기제거제의 겉 포장지로 사용하여 물이 새는 것을 방지할 수 있고 습기제거제의 용기크기를 줄여 걸이용이나 이불 속에 직접 넣어 습기 제거용으로 사용할 수 있다.The present invention can be used to cut the size of the superabsorbent polymer into a paper sheet that can be used to the size suitable for the intended use, it has the effect of reducing the volume of the baby diaper and improve the fit and use as an outer wrapper of the moisture remover The leak can be prevented and the container size of the dehumidifying agent can be reduced and used for the purpose of removing moisture by putting it directly in a hanger or blanket.

Claims (2)

팽윤된 고흡수 폴리머를 칼날이 달린 믹서기로 믹서하여 액상 고흡수 폴리머접착제를 만든 후 한 장의 종이 위에 고흡수 폴리머접착제를 도포하고 그 위에 고흡수 폴리머 분말을 도포하여 고착시키고 또 다른 종이 한 면에는 고흡수 폴리머 접착제를 도포한 후 고흡수 폴리머가 고착된 종이 위에 겹쳐 포개어 제작한 후 120℃의 압출롤러를 사용하여 연속 건조시켜 제조하는 것을 특징으로 하는 고흡수 폴리머를 이용한 종이시트의 제조방법The swollen superabsorbent polymer is blended with a blade blender to form a liquid superabsorbent polymer adhesive, and then the superabsorbent polymer adhesive is applied on one sheet of paper, and the superabsorbent polymer powder is applied thereon, and the high absorbent polymer is adhered to the other side of the paper. Method of manufacturing a paper sheet using a superabsorbent polymer, characterized in that after coating the absorbent polymer adhesive superimposed on the paper to which the superabsorbent polymer is fixed, it is produced by superimposing and drying using an extrusion roller at 120 ℃ 제1항에 있어서 고흡수성 폴리머 접착제의 제조에 있어 고흡수성 폴리머를 팽윤시킨 후 칼날이 달린 믹서기로 믹서하여 액상 고흡수 폴리머 접착제를 제조하는 방법.The method according to claim 1, wherein in the preparation of the superabsorbent polymer adhesive, the superabsorbent polymer is swollen and then mixed with a bladed blender to prepare a liquid superabsorbent polymer adhesive.
KR1020010030232A 2001-05-30 2001-05-30 A manufacturing method of Sheets of Paper using a Polymer of high absorption KR20020091500A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR850002965Y1 (en) * 1983-10-27 1985-12-12 이영우 Removing apparatus for oil of the frying machine
US5167652A (en) * 1989-01-27 1992-12-01 W. R. Grace & Co.-Conn. Moisture sensitive film
KR940019930A (en) * 1993-02-25 1994-09-15 타이 후아-치 Method for manufacturing plate-shaped polymer absorber and its manufacturing apparatus
KR980008192A (en) * 1996-07-02 1998-04-30 다카하라 게이이치로 Absorber and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR850002965Y1 (en) * 1983-10-27 1985-12-12 이영우 Removing apparatus for oil of the frying machine
US5167652A (en) * 1989-01-27 1992-12-01 W. R. Grace & Co.-Conn. Moisture sensitive film
KR940019930A (en) * 1993-02-25 1994-09-15 타이 후아-치 Method for manufacturing plate-shaped polymer absorber and its manufacturing apparatus
KR980008192A (en) * 1996-07-02 1998-04-30 다카하라 게이이치로 Absorber and preparation method thereof

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