KR960703670A - Modified Absorbent Resin Particles - Google Patents

Modified Absorbent Resin Particles Download PDF

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KR960703670A
KR960703670A KR1019960700541A KR19960700541A KR960703670A KR 960703670 A KR960703670 A KR 960703670A KR 1019960700541 A KR1019960700541 A KR 1019960700541A KR 19960700541 A KR19960700541 A KR 19960700541A KR 960703670 A KR960703670 A KR 960703670A
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modified
particles
absorbent
absorbent resin
particle according
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KR1019960700541A
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KR0169576B1 (en
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마시시 다테
마사히사 후지타
타카시 스미야
마사노리 코이케
켄지 타나케
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카케히 테쯔오
산요카세이코교 가부시기가이샤
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    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
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    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/124—Treatment for improving the free-flowing characteristics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/26—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
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    • B01J20/26—Synthetic macromolecular compounds
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    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
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    • B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
    • B01J20/267—Cross-linked polymers
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    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28004—Sorbent size or size distribution, e.g. particle size
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
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    • B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
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    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
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    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/2805—Sorbents inside a permeable or porous casing, e.g. inside a container, bag or membrane
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J20/3042—Use of binding agents; addition of materials ameliorating the mechanical properties of the produced sorbent
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    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
    • B01J20/3206—Organic carriers, supports or substrates
    • B01J20/3208—Polymeric carriers, supports or substrates
    • B01J20/321—Polymeric carriers, supports or substrates consisting of a polymer obtained by reactions involving only carbon to carbon unsaturated bonds
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    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
    • B01J20/3268—Macromolecular compounds
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    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3287—Layers in the form of a liquid
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    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
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  • Chemical & Material Sciences (AREA)
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  • Absorbent Articles And Supports Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
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  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

아크릴산 및/또는 아크릴산염을 주구성단위로하는 에틸렌성불포화단량체의 가교중합체이며, 실질적으로 수불용성인 흡수성수지(A)의 입자가, 상온에서 액상의 유기폴리실록산(B)에 의해 처리되어서 이루어지는 개질된 흡수성수지입자에 있어서, ① (A)와 (B)가 혼합 또는 반응한 상태이고, ② (A)의 입자 중, 10∼1,000㎛의 입자의 함유량이 95중량% 이상이고, ③ 중량비(A)/ (B)가 100/(0.001∼5)인 개질된 흡수성수지입자.Modified by crosslinking polymer of ethylenically unsaturated monomer with acrylic acid and / or acrylate as a main constituent unit, wherein particles of water-insoluble absorbent resin (A) are treated with liquid organic polysiloxane (B) at room temperature. In the absorbent polymer particles, (1) (A) and (B) are in a mixed state or reacted state, (2) In the particles of (A), the content of 10 to 1,000 µm particles is 95% by weight or more, and Modified absorbent polymer particles having a) / (B) of 100 / (0.001-5).

상기 개질된 흡수성수지입자는, 종래의 흡수성수지와 비해서 흡수블록킹, 분진성이 개량된 것이며, 상압흡수량, 가압하의 흡수량, 흡수후의 표면의 드라이감등의 흡수성수지가 가지는 흡수특성도 유지 또는 향상되고 있다.The modified absorbent resin particles have improved absorption blocking and dusting properties as compared with conventional absorbent resins, and also maintain or improve the absorbent properties of absorbent resins such as atmospheric pressure absorbing amount, absorbing amount under pressure, and dryness of the surface after absorption. have.

따라서 입자상의 흡수성수지를 이용하는 각종용도, 특히 종이기저귀, 생리용냅킨, 실금용패드 등의 위생용품이나 흡수성당접재에 매우 적합하게 사용할 수 있다.Therefore, it can be used suitably for various uses which use a particulate water absorbing resin, especially hygiene products, such as a paper diaper, a physiological napkin, an incontinence pad, and an absorbent sugar contact material.

Description

개질된 흡수성수지입자Modified Absorbent Resin Particles

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

Claims (8)

아크릴산 및/또는 아크릴산염을 주구성단위로하는 에틸렌성불포화단량체의 가교중합체이며, 실질적으로 수불용성인 흡수성수지(A)의 입자가, 상온에서 액상의 유기폴리실록산(B)에 의해 처리되어서 이루어지는 개질된 흡수성수지입자에 있어서, ① (A)와 (B)가 혼합 및 또는 반응한 상태이고, ② (A)의 입자 중, 입자 직경 10∼1,000㎛의 입자의 함유량이 95중량% 이상이고, ③ 중량비(A)/ (B)가 100/(0.001∼5)인 것을 특징으로 하는 개질된 흡수성수지입자.Modified by crosslinking polymer of ethylenically unsaturated monomer with acrylic acid and / or acrylate as a main constituent unit, wherein particles of water-insoluble absorbent resin (A) are treated with liquid organic polysiloxane (B) at room temperature. In the absorbent polymer particles thus obtained, ① (A) and (B) are in a mixed state or reacted state. A modified absorbent resin particle, characterized in that the weight ratio (A) / (B) is 100 / (0.001 to 5). 제1항에 있어서, 상기 (B)의 25℃에 있어서의 점도가 10∼20,000CST이고, 표면장력이 18∼30다인/㎝인것을 특징으로 하는 개질된 흡수성수지입자.The modified absorbent polymer particle according to claim 1, wherein the viscosity at 25 ° C of (B) is 10 to 20,000 CST and the surface tension is 18 to 30 dynes / cm. 제1항 또는 제2항에 있어서, 상기 (B)가, 분자내에 카르복시산기 및/또는 카르복시산염기와 반응할 수 있는 관능기를 적어도 1개 가진 변성실리콘오일인 것을 특징으로 하는 개질된 흡수성수지입자.The modified absorbent resin particle according to claim 1 or 2, wherein (B) is a modified silicone oil having at least one functional group capable of reacting with a carboxylic acid group and / or a carboxylate group in a molecule. 제3항에 있어서, 상기 (B)가, 아미노변성실리콘오일 또는 에폭시변성실리콘오일인 것을 특징으로 하는 개질된 흡수성수지입자.The modified absorbent polymer resin particle according to claim 3, wherein (B) is an amino modified silicone oil or an epoxy modified silicone oil. 제1항 또는 제2항에 있어서, 상기 (B)의 평균분자량이 1,000이상인 것을 특징으로 하는 개질된 흡수성수지입자.The modified absorbent polymer resin particle according to claim 1 or 2, wherein the average molecular weight of (B) is 1,000 or more. 제1항 또는 제2항에 있어서, 상기 (A) 를 (B)에 의해 처리하기전, (B)에 의해 처리하는 동시에, 또는 (B)에 의해 처리한 후에, 분자내에 카르복시산기 및/또는 카르복시산 염기와 반응할 수 있는 관능기를 적어도 2개 이상 가진 가교제 (C)에 의해 (A)의 입자의 표면근방이 또 가교처리되어서 이루어진 것을 특징으로 하는 개질된 흡수성수지입자.The carboxylic acid group and / or in the molecule | numerator of Claim 1 or 2 in which the said (A) was processed by (B) before, or after being processed by (B), or after (B). A modified absorbent resin particle, characterized in that the surface vicinity of the particles of (A) is further crosslinked by a crosslinking agent (C) having at least two functional groups capable of reacting with a carboxylic acid base. 제1항 또는 제2항에 있어서, 또 이산화규소미세분말(D)이 (A)에 대해서 0.001∼2중량% 첨가되어서 이루어진 것을 특징으로 하는 개질된 흡수성수지입자.The modified absorbent polymer particle according to claim 1 or 2, wherein the fine silicon dioxide powder (D) is added in an amount of 0.001 to 2% by weight based on (A). 제1항 또는 제2항에 있어서, 상대습도 80%(40℃)에 있어서의 흡습블록킹율이 20%이하, 분진도가 10cpm 이하이고, 또한, 생리식염수에 대한 가압하의 초기 흡수량이 20g/g 이상의 흡수특성을 가진 것을 특징으로 하는 개질된 흡수성수지입자.The moisture absorption blocking rate at 80% of relative humidity (40 degreeC) is 20% or less, the dust degree is 10 cpm or less, and the initial absorption amount under pressurization with physiological saline is 20 g / g. Modified absorbent resin particles, characterized in that it has the above absorption characteristics. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960700541A 1994-06-06 1995-05-31 Modified water-absorbent resin particles KR0169576B1 (en)

Applications Claiming Priority (5)

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AU2575795A (en) 1996-01-04
KR0169576B1 (en) 1999-01-15
WO1995033558A1 (en) 1995-12-14
CN1129407A (en) 1996-08-21
AU682117B2 (en) 1997-09-18
CN1048422C (en) 2000-01-19
JP3169133B2 (en) 2001-05-21

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