KR960000171A

KR960000171A - Multilayer absorbent structure

Info

Publication number: KR960000171A
Application number: KR1019940012507A
Authority: KR
Inventors: 크리스 와넥 메어리; 마테우스 빌리진; 호웰 소이어 로렌스; 폴 아부토 프랭크; 에리히 베르너 에드워드; 윌리암 반덴 보가르트 토마스; 안토니 조저 윌리암; 프랭크 리블 브렌돈
Original assignee: 토마스 코니스; 킴벌리-클라크 코포레이션
Priority date: 1994-06-03
Filing date: 1994-06-03
Publication date: 1996-01-25

Abstract

제1및 제2서지 치리층과 이들 사이에 위치한 흡수층을 포함하는 흡수 구조물이 개시되어 있다. 제1서지 처리층은 합성 폴리머 섬유를 함유하고, 제2서지 처리층은 친수성 섬유를 함유한다. 흡수층의 밀도는 제1 및 제2서지 처리층의 밀도보다 크다.An absorbent structure is disclosed that includes a first and second surge control layer and an absorbent layer positioned therebetween. The first surge treated layer contains synthetic polymer fibers, and the second surge treated layer contains hydrophilic fibers. The density of the absorber layer is larger than that of the first and second surge treatment layers.

Description

Multilayer absorbent structure

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 따른 흡수 구조물의 단면도,1 is a cross-sectional view of an absorbent structure according to the present invention,

제2도는 본 발명에 따른 흡수 구조물이 혼입된 유아용 기저귀의 부품 분해 배열도,Figure 2 is an exploded arrangement of parts of the infant diaper with the absorbent structure according to the present invention,

제3도는 본 발명의 흡수층의 한 실시예의 단면도,\3 is a cross-sectional view of one embodiment of the absorbent layer of the present invention;

제4도는 고흡수성 물질의 하중하 흡수도(absorbency under load)를 측정하는 장치의 예시도.4 illustrates an apparatus for measuring the absorbency under load of a super absorbent material.

Claims

The web consists of a fibrous web containing synthetic polymer fibers, the first weight being from about 20 to about 200 g per square meter, and the first frost treated layer, hydrophilic fibers having a density of from about 0.01 to about 0.12 g per cubic centimeter. A second frost-treated layer consisting of a fibrous web, having a basis weight of about 20 to about 200 g per square meter, and having a density of about 0.04 to about 0.2 g per cubic centimeter, and between the first and second frost-treated layers A means for exchanging liquid with the layer and containing superabsorbent material, and containing from about 50 to about 100 weight percent of the total weight of the superabsorbent material received by said means containing superabsorbent material, about per square meter It consists of an absorbent layer having a basis weight of 200 to about 1,000 g and a density of about 0.06 to about 0.4 g per cubic centimeter, the density of which is equal to the density of the first and second surge treatment layers. Large, the density of the first surge process layer is the second absorbent structure is different and is characterized by a density of the surge layer.

The absorbent structure of claim 1, wherein the absorbent structure is located between the wearer's body and the absorbent layer when the first surge treatment layer is used.

The absorbent structure of claim 1, wherein the first surge treatment layer contains about 10 to about 100 weight percent synthetic polymer fibers.

The absorbent structure of claim 3, wherein the first surge treatment layer is manufactured by a method selected from the group consisting of meltblowing, spunbonding, carding, and airlaying.

The absorbent structure according to claim 4, wherein the synthetic polymer fibers are formed of a material selected from the group consisting of polyolefins, polyesters, polyamides, and acrylics.

The absorbent structure of claim 1, wherein the first surge treatment layer has a basis weight of about 30 to about 150 g per square meter.

The absorbent structure of Claim 1, wherein the second surge treatment layer contains about 10 to 100% by weight of hydrophilic fibers.

8. The absorbent structure of Claim 7, wherein said second surge treatment layer contains about 10 to 100 weight percent hydrophilic fibers.

The absorbent structure of claim 1, wherein the second surge treatment layer has a basis weight of about 50 to about 150 g per square meter.

The absorbent structure of claim 1, wherein the absorbent layer contains from about 60 to about 95 weight percent of the superabsorbent material received by the means containing the superabsorbent material.

The absorbent structure of claim 10, wherein the absorbent layer contains from about 70 to about 90 weight percent of the superabsorbent material received by the means containing the superabsorbent material.

The absorbent structure of claim 1, wherein the absorbent layer has a basis weight of about 250 to about 750 g per square meter.

The absorbent structure of claim 1, wherein the absorbent layer has a density of at least about 20% greater than the density of both the first and second surge treatment layers.

The absorbent structure of claim 13, wherein the absorbent layer has a density of at least about 30% greater than the density of both the first and second surge treatment layers.

The absorbent structure according to claim 2, wherein the density of the first surge treatment layer is smaller than that of the second surge treatment layer.

The absorbent structure of Claim 1, wherein the density of the first and second surge treatment layers is at least about 20% of the density of the lowest density layer.

The absorbent structure of claim 1 wherein said absorbent layer contains pores.

The absorbent structure of claim 1 wherein said absorbent layer comprises a reduced basis weight zone.

2. The absorbent structure of Claim 1, wherein said superabsorbent material is in the form of particles or spheres having different maximum cross-sectional sizes, wherein larger particles are located on the side of the absorber layer closest to the wearer when in use.

Formed from inherently hydrophobic polymer material, consisting of fibrous webs containing from about 50 to about 100 weight percent synthetic polymer fibers, the basis weight being from about 30 to about 150 g per square meter, and the density being from about 0.015 to about 0.1 g per cubic center meter. Phosphorus first surge treatment layer, consisting of a fibrous web containing from about 55 to about 100% by weight of hydrophilic fibers, the basis weight is from about 50 to about 150g per square meter, the density is from about 0.06 to about 0.16g per cubic centimeter A basis weight of about 250 to about 750 g per square meter, containing between about 50 and about 100 weight percent of the total weight of the superabsorbent material contained between the two surge treatment layers and the first and second surge treatment layers and received by the means; And an absorbent layer having a density of about 0.12 to about 0.35 g per cubic centimeter, the density of the absorbent layer being greater than the density of both the first and second surge treatment layers, and the first and second surge It characterized in that the absorbent structure, the density of the different layers.

Liquid-impermeable bodyside liners; A substantially liquid-impermeable outer cover; And a fibrous web containing synthetic polymer fibers, the first surge treated layer having a basis weight of about 20 to about 200 g per square meter and a density of about 0.01 to about 0.12 g per cubic centimeter, the fibrous web containing hydrophilic fibers. A second surge treatment layer having a basis weight of about 20 to about 200 g per square meter and a density of about 0.04 to about 0.2 g per cubic centimeter, and between the first and second surge treatment layers; A means for exchanging liquid and containing a superabsorbent material, comprising from about 50 to about 100% by weight of the total weight of the superabsorbent material received by said means containing the superabsorbent material, from about 200 to about 200 square meters It consists of an absorbent layer having a basis weight of about 1,000 g and a density of about 0.06 to about 0.4 g per cubic centimeter, the density of which is greater than the density of the first and second surge treatment layers. And wherein the density of the first surge treatment layer is different from the density of the second surge treatment layer and is comprised of an absorbent structure located between the liner and the outer cover.

22. The absorbent article as in claim 21, wherein said first surge treatment layer is located between said bodyside liner and said absorbent structure.

Consisting of a fibrous web containing synthetic polymer fibers, a first surge treatment layer having a basis weight of about 20 to about 200 g per square meter and a density of about 0.01 to about 0.12 g, a fibrous web containing hydrophilic fibers, A second frost treatment layer having a basis weight of about 20 to about 200 g per square meter and a density of about 0.04 to about 0.2 g per cubic centimeter, and between the first and second surge treatment layers to exchange liquid with these layers And an absorbent layer comprising a fibrous web containing about 50 to about 100 weight percent of the total weight of the superabsorbent material and having a basis weight of about 200 to about 1000 g per square meter and a density of about 0.06 to about 0.4 g per cubic centimeter. And the density of the absorbent layer is greater than that of the first and second surge treatment layers, and the density of the first surge treatment layer is different from the density of the second surge treatment layer.

※ Note: The disclosure is based on the initial application.