FI97300B - Porös film samt absorberande sanitära produkter - Google Patents

Porös film samt absorberande sanitära produkter Download PDF

Info

Publication number
FI97300B
FI97300B FI883925A FI883925A FI97300B FI 97300 B FI97300 B FI 97300B FI 883925 A FI883925 A FI 883925A FI 883925 A FI883925 A FI 883925A FI 97300 B FI97300 B FI 97300B
Authority
FI
Finland
Prior art keywords
acid
porous film
filler
film according
film
Prior art date
Application number
FI883925A
Other languages
English (en)
Finnish (fi)
Other versions
FI883925A (sv
FI97300C (sv
FI883925A0 (sv
Inventor
Kunio Bizen
Minoru Kashino
Tasuku Suzuki
Ryuichi Hasegawa
Koji Hayashi
Original Assignee
Mitsubishi Chemical Mkv Compan
Mitsubishi Chem Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP62213747A external-priority patent/JPH075781B2/ja
Priority claimed from JP62253958A external-priority patent/JPH0738865B2/ja
Priority claimed from JP63064405A external-priority patent/JPH01236248A/ja
Application filed by Mitsubishi Chemical Mkv Compan, Mitsubishi Chem Corp filed Critical Mitsubishi Chemical Mkv Compan
Publication of FI883925A0 publication Critical patent/FI883925A0/sv
Publication of FI883925A publication Critical patent/FI883925A/sv
Application granted granted Critical
Publication of FI97300B publication Critical patent/FI97300B/sv
Publication of FI97300C publication Critical patent/FI97300C/sv

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51456Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties
    • A61F13/51458Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51401Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/20Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing organic materials
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/24Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/425Porous materials, e.g. foams or sponges
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/10Esters; Ether-esters
    • C08K5/101Esters; Ether-esters of monocarboxylic acids
    • C08K5/103Esters; Ether-esters of monocarboxylic acids with polyalcohols
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • C08L23/0807Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815Copolymers of ethene with aliphatic 1-olefins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Hematology (AREA)
  • Manufacturing & Machinery (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Dermatology (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)

Claims (22)

1. Porös film kännetecknad av att den omfattar 100 viktdelar polyolefinharts, 25-400 viktdelar av ett fyll- medel samt 1-30 viktdelar av en ester av dipentaerytritol med en andel rest-OH-grupper om 0-70%.
2. Porös film enligt patentkravet 1, kännetecknad av att andelen rest-OH-grupper i dipentaerytritolestern är 3-70 %.
3. Porös film enligt patentkravet 1, kännetecknad av att polyolefinhartset är polyetylen eller kristallin poly-propylen.
4. Porös film enligt patentkravet 3, kännetecknad av att polyetylenet har ett smältindex om 0,0l-10g/10 min.
5. Porös film enligt patentkravet 5, kännetecknad av att polyetylenet är polyetylen med hög densitet, polyetylen • med medium densitet, polyetylen med läg densitet eller en : blandning av dessa.
... 6. Porös film enligt patentkravet 3, kännetecknad ‘. ! av att det kristallina polypropylenet är en propylenhomopoly- • 1 mer, en sampolymer av propylen och vilken som heist annan • · *·'· α-olefin, eller en blandning av dessa.
7. Porös film enligt patentkravet 1, kännetecknad av att fyllmedlet är ett oorganiskt eller ett organiskt fyll- : : medel. • · · t · 9 4 • ·
8. Porös film enligt patentkravet 7, kännetecknad ;;; av att det oorganiska fyllmedlet är kalciumkarbonat, taik, ;·, lera, kaolin, silika, kiselgur, magnesiumkarbonat, kalcium- j sulfat, aluminiumhydroxid, zinkoxid, magnesiumhydroxid, kalciumoxid, magnesiumoxid, titanoxid, aluminiumoxid, glimmer, 97300 asbestpulver, glaspulver, shirasu balloon -mineral, zeolit eller silikalera.
9. Porös film enligt patentkravet 7, kännetecknad av att det organiska fyllmedlet är cellulosapulver sasom trä-pulver eller massa.
10. Porös film enligt patentkravet 1, kännetecknad av att fyllmedlet har en medelpartikelstorlek om 30 μπι eller mindre.
11. Porös film enligt patentkravet 1, kännetecknad av att fyllmedlet utsatts för ytbehandling med en fettsyra eller ett metallsalt därav.
12. Porös film enligt patentkravet 11, kännetecknad av att mängden fettsyra eller metallsalt därav som använts för ytbehandling av fyllmedlet inte överstiger 10 viktdelar baserat pä 100 viktdelar av fyllmedlet.
13. Porös film enligt patentkravet 1, kännetecknad av att estern av dipentaerytritol är en ester av dipentaerytri- toi med en alifatisk mono- eller dikarboxylsyra med 1-30 kol- atomer eller med en aromatisk mono- eller dikarboxylsyra med : 7-16 kolatomer. • · · « · • · · • · ·
14. Porös film enligt patentkravet 13, känneteck- I n a d av att den alifatiska karboxylsyran är ättiksyra, • · · I ' propionsyra, smörsyra, isosmörsyra, valeriansyra, isovalerian- **’·1 2 syra, kapronsyra, isokapronsyra, 2-etylbutansyra, enantinsyra, kaprilinsyra, laurinsyra, tridekansyra, myristinsyra, penta-dekansyra, palmitinsyra, stearinsyra, eikosansyra, behensyra, ·.· · cerotinsyra, melissinsyra, barns tens syra, glutarsyra, adipin- .:. syra, azelainsyra eller sebacinsyra.
15. Porös film enligt patentkravet 13, känneteck- 2 '· n a d av att den aromatiska karboxylsyran är bensoesyra, ftal- syra, isoftalsyra eller tereftalsyra. 97300
16. Porös film enligt patentkravet 1, kännetecknad av att den innehäller 100 viktdelar polyolefinharts, 100-300 viktdelar fyllmedel och 3-20 viktdelar dipentaerytritolester.
17. Porös film enligt patentkravet 1, kännetecknad av att dess rivhällfasthet (i maskinriktningen) är minst 10 kg*cm/cm2, dess permeabilitet är minst 1000 g/m2. 24h och dess tjocklek är minst 0,01-0,5 mm.
18. Absorberande sanitära produkter som omfattar ett vätske-genomsläppligt ytskikt, ett vätskeabsorberande material och ett vätskeogenomsläppligt bakre skikt, kännetecknad e av att det bakre skiktet bildats av en porös film som bestär av en sammansättning som innehäller 100 viktdelar poly-olefinharts, 25-400 viktdelar av ett fyllmedel samt 1-30 viktdelar av en ester av dipentaerytritol med en andel rest-OH-grupper om 0-70%, och att det vätskeabsorberande materialet är anbragt mellan det vätskegenomsläppliga ytskiktet och det vätskeogenomsläppliga bakre skiktet.
19. Produkter enligt patentkravet 18, kännetecknad e av att det vätskegenomsläppliga ytskiktet är gjort av : : : gasvävnad eller flor. • ·
20. Produkter enligt patentkravet 19, känneteck- 9 n a d e av att floret bestär av polyesterfibrer eller polyole- . I finfibrer.
• · · • · · • « • · • » · * * 21. Produkter enligt patentkravet 18, känneteck nad e av att det vätskeabsorberande materialet är vatten- • · · absorberande papper, massapapper eller en starkt vattenabsor-V · berande polymer.
,··. 22. Produkter enligt patentkravet 18, känneteck nad e av att andelen rest-OH-grupper i dipentaerytritol-'· · estern är 3-70 %.
FI883925A 1987-08-27 1988-08-25 Porös film samt absorberande sanitära produkter FI97300C (sv)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP62213747A JPH075781B2 (ja) 1987-08-27 1987-08-27 多孔性シ−トの製造方法
JP21374787 1987-08-27
JP62253958A JPH0738865B2 (ja) 1987-10-08 1987-10-08 吸収性衛生用品
JP25395887 1987-10-08
JP6440588 1988-03-17
JP63064405A JPH01236248A (ja) 1988-03-17 1988-03-17 多孔性フイルム及びその製造方法

Publications (4)

Publication Number Publication Date
FI883925A0 FI883925A0 (sv) 1988-08-25
FI883925A FI883925A (sv) 1989-02-28
FI97300B true FI97300B (sv) 1996-08-15
FI97300C FI97300C (sv) 1996-11-25

Family

ID=27298472

Family Applications (1)

Application Number Title Priority Date Filing Date
FI883925A FI97300C (sv) 1987-08-27 1988-08-25 Porös film samt absorberande sanitära produkter

Country Status (6)

Country Link
US (1) US5073316A (sv)
EP (1) EP0307116B1 (sv)
KR (1) KR960005590B1 (sv)
DE (1) DE3883326T2 (sv)
ES (1) ES2043833T3 (sv)
FI (1) FI97300C (sv)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2628788B2 (ja) * 1990-08-09 1997-07-09 宇部興産株式会社 微多孔性膜の製造方法及びその方法で製造される耐溶断性微多孔性膜
US5176953A (en) * 1990-12-21 1993-01-05 Amoco Corporation Oriented polymeric microporous films
EP0546821A1 (en) * 1991-12-10 1993-06-16 Little Feet Limited Diaper
JPH05200063A (ja) * 1992-01-28 1993-08-10 Uni Charm Corp 体液処理用品の通気不透液性裏面シート、およびその製造方法
US5364288A (en) * 1992-07-24 1994-11-15 North American Philips Corporation Electrical connecting device
US5370764A (en) 1992-11-06 1994-12-06 Kimberly-Clark Corporation Apparatus for making film laminated material
MX9300424A (es) 1992-11-06 1994-05-31 Kimberly Clark Co Tela laminada fibrosa y metodo y aparato para la fabricacion de la misma.
US5464687A (en) * 1992-12-07 1995-11-07 Lyondell Petrochemical Company Wettable polyolefin fiber compositions and method
US5385972A (en) * 1992-12-28 1995-01-31 Mitsubishi Petrochemical Co., Ltd. Filler-containing resin composition and stretched films using same
CA2097630A1 (en) * 1992-12-29 1994-06-30 Ann Louise Mccormack Stretch-pillowed, bulked laminate
US5817394A (en) 1993-11-08 1998-10-06 Kimberly-Clark Corporation Fibrous laminated web and method and apparatus for making the same and absorbent articles incorporating the same
JP3836129B2 (ja) * 1994-03-01 2006-10-18 ザ、プロクター、エンド、ギャンブル、カンパニー 界面活性剤で処理された成形ポリマーウェブを製造するための方法
KR100341083B1 (ko) * 1994-04-12 2002-12-05 가오가부시끼가이샤 흡수성물품
US5614574A (en) * 1994-07-12 1997-03-25 Lyondell Petrochemical Company Wettable polyolefin fiber compositions and method
TW330217B (en) 1994-12-20 1998-04-21 Kimberly Clark Co Low gauge films and film/nonwoven laminates
ZA9510604B (en) 1994-12-20 1996-07-03 Kimberly Clark Co Low gauge films and film/nonwoven laminates
US5927567A (en) * 1996-11-12 1999-07-27 Owens-Illinois Closure Inc. Dispensing closure and method of making
US5998505A (en) * 1996-11-27 1999-12-07 Eastman Chemical Company Thermoplastic elastomeric compositions and films formed therefrom having improved moisture vapor transmission rates
US5910136A (en) * 1996-12-30 1999-06-08 Kimberly-Clark Worldwide, Inc. Oriented polymeric microporous films with flexible polyolefins
US5947944A (en) * 1996-12-30 1999-09-07 Kimberly-Clark Worldwide, Inc. Stretched-thinned films comprising low crystallinity polymers and laminates thereof
KR19980073194A (ko) * 1997-03-12 1998-11-05 이웅렬 급지성이 향상된 폴리에스터 부직포 인쇄기포지 및 그의 제조방법
US6179939B1 (en) 1997-05-12 2001-01-30 Kimberly-Clark Worldwide, Inc. Methods of making stretched filled microporous films
US6238767B1 (en) 1997-09-15 2001-05-29 Kimberly-Clark Worldwide, Inc. Laminate having improved barrier properties
US6045900A (en) * 1997-09-15 2000-04-04 Kimberly-Clark Worldwide, Inc. Breathable filled film laminate
EP0947184A1 (en) * 1998-03-28 1999-10-06 The Procter & Gamble Company The use of a breathable absorbent article to maintain ideal skin surface temperature
US6506695B2 (en) 1998-04-21 2003-01-14 Rheinische Kunststoffewerke Gmbh Breathable composite and method therefor
US6461457B1 (en) 1999-06-30 2002-10-08 Kimberly-Clark Worldwide, Inc. Dimensionally stable, breathable, stretch-thinned, elastic films
KR100338362B1 (ko) 1999-07-23 2002-05-30 유승렬 우수한 가공성 및 투습도를 갖는 통기성 필름용 조성물
EP2119743A1 (en) 2000-07-28 2009-11-18 Westlake Longview Corporation Polyethylene compositions and films formed therefrom having improved moisture vapor transmission rates
US6359050B1 (en) 2000-07-28 2002-03-19 Eastman Chemical Company Polyethylene compositions and films formed therefrom having improved moisture vapor transmission rates
US6703115B2 (en) 2001-05-01 2004-03-09 Eastman Chemical Company Multilayer films
US6896843B2 (en) 2002-08-30 2005-05-24 Kimberly-Clark Worldwide, Inc. Method of making a web which is extensible in at least one direction
US7226880B2 (en) 2002-12-31 2007-06-05 Kimberly-Clark Worldwide, Inc. Breathable, extensible films made with two-component single resins
US7270723B2 (en) 2003-11-07 2007-09-18 Kimberly-Clark Worldwide, Inc. Microporous breathable elastic film laminates, methods of making same, and limited use or disposable product applications
US7220478B2 (en) 2003-08-22 2007-05-22 Kimberly-Clark Worldwide, Inc. Microporous breathable elastic films, methods of making same, and limited use or disposable product applications
US7872168B2 (en) 2003-10-31 2011-01-18 Kimberely-Clark Worldwide, Inc. Stretchable absorbent article
US7193029B2 (en) 2004-07-09 2007-03-20 E. I. Du Pont De Nemours And Company Sulfonated copolyetherester compositions from hydroxyalkanoic acids and shaped articles produced therefrom
JP5095402B2 (ja) * 2004-08-06 2012-12-12 エスセーアー・ハイジーン・プロダクツ・アーベー 吸収用品
US8227658B2 (en) * 2007-12-14 2012-07-24 Kimberly-Clark Worldwide, Inc Film formed from a blend of biodegradable aliphatic-aromatic copolyesters
US20130052420A1 (en) * 2011-08-22 2013-02-28 Shawn E. Jenkins High repellency films via microtopography and post treatment
KR101396039B1 (ko) * 2012-06-25 2014-05-16 롯데케미칼 주식회사 천연 충전재를 적용한 다기능성 폴리올레핀계 수지 조성물 및 이를 이용하여 제조되는 성형품
KR101595900B1 (ko) * 2013-12-26 2016-02-19 김형훈 포장지용 강화 필름 및 그 제조방법
WO2016178768A1 (en) * 2015-05-07 2016-11-10 Exxonmobil Chemical Patents Inc. Hygiene articles and processes for making the same
EP3388476A4 (en) * 2015-12-11 2019-12-18 Yupo Corporation POLYOLEF STRETCHED POROUS FILM
CN115160687A (zh) * 2022-06-28 2022-10-11 云阳金田塑业有限公司 一种亚光双向拉伸聚丙烯无胶膜及其制备方法

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1412983A (en) * 1971-11-30 1975-11-05 Debell & Richardson Method of producing porous plastic materials
JPS61235439A (ja) * 1976-12-28 1986-10-20 Asahi Chem Ind Co Ltd ポリオレフイン延伸加工物
JPS5747334A (en) * 1980-09-03 1982-03-18 Mitsubishi Chem Ind Ltd Production of porous film or sheet
JPS57203520A (en) * 1981-06-09 1982-12-13 Mitsubishi Chem Ind Ltd Manufacture of porous film or sheet
US4472328A (en) * 1981-06-09 1984-09-18 Mitsubishi Chemical Industries, Ltd. Process for producing porous film or sheet
JPS5815538A (ja) * 1981-07-22 1983-01-28 Mitsubishi Chem Ind Ltd 多孔性フイルムまたはシ−トの製造法
JPS58149925A (ja) * 1982-03-02 1983-09-06 Mitsubishi Chem Ind Ltd 多孔性フイルムまたはシ−トの製造法
JPS5962117A (ja) * 1982-10-01 1984-04-09 Mitsubishi Chem Ind Ltd 多孔性フイルムまたはシ−トの製造法
JPH0651812B2 (ja) * 1983-01-25 1994-07-06 三菱化成株式会社 多孔性シ−トの製造法
JPH0651813B2 (ja) * 1983-02-01 1994-07-06 三菱化成株式会社 多孔性シ−トの製造方法
JPS60229731A (ja) * 1984-04-27 1985-11-15 Mitsubishi Chem Ind Ltd 柔軟性に優れる多孔質フイルム
JPS60230825A (ja) * 1984-05-01 1985-11-16 Mitsubishi Chem Ind Ltd 柔軟性に優れる多孔質フイルムまたはシ−ト
JPS61144331A (ja) * 1984-12-19 1986-07-02 Tokuyama Soda Co Ltd 多孔性シ−トの製造方法
JPS6210141A (ja) * 1985-07-08 1987-01-19 Kao Corp 多孔性フイルムまたはシ−トの製造方法
JPS6218435A (ja) * 1985-07-17 1987-01-27 Mitsubishi Petrochem Co Ltd 通気性フイルムの製造方法
JPS6227438A (ja) * 1985-07-26 1987-02-05 Mitsubishi Petrochem Co Ltd 通気性フイルムの製造方法
JPS62101415A (ja) * 1985-10-29 1987-05-11 Teijin Ltd ポリアミド中空成形体
JPS62129321A (ja) * 1985-11-29 1987-06-11 Tokuyama Soda Co Ltd 多孔性シ−トの製造方法
JPH0662796B2 (ja) * 1986-05-28 1994-08-17 花王株式会社 多孔性フイルム
JPH0768393B2 (ja) * 1986-05-28 1995-07-26 花王株式会社 多孔性フィルム
JPH0699580B2 (ja) * 1986-05-28 1994-12-07 花王株式会社 多孔性フイルム
JPH0699581B2 (ja) * 1986-06-09 1994-12-07 花王株式会社 多孔性フイルム
JPH0764942B2 (ja) * 1987-04-07 1995-07-12 三菱化学株式会社 多孔性シ−トの製造方法
JP2698584B2 (ja) * 1987-05-08 1998-01-19 花王株式会社 多孔性フィルム

Also Published As

Publication number Publication date
KR960005590B1 (ko) 1996-04-26
EP0307116B1 (en) 1993-08-18
US5073316A (en) 1991-12-17
ES2043833T3 (es) 1994-01-01
FI883925A (sv) 1989-02-28
EP0307116A3 (en) 1990-07-18
FI97300C (sv) 1996-11-25
FI883925A0 (sv) 1988-08-25
DE3883326D1 (de) 1993-09-23
EP0307116A2 (en) 1989-03-15
KR890003851A (ko) 1989-04-18
DE3883326T2 (de) 1993-12-09

Similar Documents

Publication Publication Date Title
FI97300B (sv) Porös film samt absorberande sanitära produkter
EP0192965B1 (en) Absorbent article
JPH08269220A (ja) 多孔性シート及びそれを用いた吸収性物品
JP3474677B2 (ja) 多孔性シート及びそれを用いた吸収性物品
JPH0455072B2 (sv)
JP3891930B2 (ja) 吸収性物品
JPH09221560A (ja) 多孔性フィルム及びその製造方法
JP3649508B2 (ja) 多孔性シート及びそれを用いた吸収性物品
JP5013857B2 (ja) 透湿シートおよびその製造方法
JP2004099665A (ja) 透湿シート
JP3474662B2 (ja) 多孔性シート及びそれを用いた吸収性物品
JPS61179307A (ja) 吸収性物品
WO2001046302A1 (fr) Film poreux et son procede de production
JPH0564650B2 (sv)
JP3356357B2 (ja) 多孔性シート及びそれを用いた吸収性物品
JP2007063570A (ja) 透湿シートの製造方法
JP2559456B2 (ja) 多孔性フィルム
JPH09208730A (ja) 多孔性フィルム及びその製造方法
JPH0196229A (ja) 吸収性衛生用品
JPS6297901A (ja) 吸収性物品
TW202345962A (zh) 多孔質膜
TW202402909A (zh) 多孔質膜、其製造方法、及具備其之吸收性物品
JP3532302B2 (ja) 多孔性シート及びそれを用いた吸収性物品
JP3880767B2 (ja) 多孔性フィルム
JPS63170431A (ja) オレフイン樹脂多孔質フイルム

Legal Events

Date Code Title Description
FG Patent granted

Owner name: MITSUBISHI CHEMICAL MKV COMPANY

HC Name/ company changed in application

Owner name: MITSUBISHI CHEMICAL MKV COMPANY

BB Publication of examined application
FG Patent granted

Owner name: MITSUBISHI CHEMICAL MKV COMPANY

Owner name: MITSUBISHI CHEMICAL CORPORATION

MA Patent expired