PE1997A1 - Lamina de polilactida que excreta acido lactico, para utilizarse en articulos absorbentes - Google Patents

Lamina de polilactida que excreta acido lactico, para utilizarse en articulos absorbentes

Info

Publication number
PE1997A1
PE1997A1 PE28686095A PE28686095A PE1997A1 PE 1997 A1 PE1997 A1 PE 1997A1 PE 28686095 A PE28686095 A PE 28686095A PE 28686095 A PE28686095 A PE 28686095A PE 1997 A1 PE1997 A1 PE 1997A1
Authority
PE
Peru
Prior art keywords
lactic acid
polyester
oligomer
monomer
concentration
Prior art date
Application number
PE28686095A
Other languages
English (en)
Inventor
Erik Lagerstrom
Bjorn Larsson
Original Assignee
Moelnlycke Ab
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
Application filed by Moelnlycke Ab filed Critical Moelnlycke Ab
Publication of PE1997A1 publication Critical patent/PE1997A1/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Laminated Bodies (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

QUE COMPRENDE: A) DE UNA CAPA SUPERFICIAL QUE CONSISTE PRINCIPALMENTE EN UN POLIESTER BASADO EN UN ACIDO LACTICO QUE EXCRETA ACIDO LACTICO Y/O DERIVADO ACIDO FISIOLOGICAMENTE ACEPTABLE DEL MISMO, CUANDO LA CAPA SUPERFICIAL ES SUMERGIDA EN UN VOLUMEN DE AGUA, EN EL QUE LA RELACION EN PESO ES DE 1:100, EN UNA CANTIDAD TAL QUE EL ACIDO LACTICO Y/O EL DERIVADO QUE SE EXCRETA EN UN TIEMPO DE A LO SUMO 20 HORAS, CONFERIDA AL VOLUMEN DE AGUA UN PH DE A LO SUMO 3,0, CARACTERIZADO PORQUE ANTES DE SER SUMERGIDA EN EL VOLUMEN DE AGUA, LA CAPA SUPERFICIAL TIENE UNA CONCENTRACION DE MONOMERO Y/U OLIGOMERO(S) QUE ES ESENCIALMENTE MAYOR QUE LA CONCENTRACION EN EQUILIBRIO DE MONOMERO Y/U OLIGOMERO(S) CORRESPONDIENTE A LA CANTIDAD DE POLIESTER QUE ESTA PRESENTE, SIENDO LA CONCENTRACION DE MONOMERO Y/U OLIGOMERO(S) DE 10-25% EN PESO CALCULADO CON RELACION AL POLIESTER. TENIENDO ESTE POLIESTER UNA MASA MOLECULAR MEDIA NUMERICA(Mn) MAYOR O IGUAL A 40,000
PE28686095A 1994-12-13 1995-12-11 Lamina de polilactida que excreta acido lactico, para utilizarse en articulos absorbentes PE1997A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9404348A SE503906C2 (sv) 1994-12-13 1994-12-13 Mjölksyrautsöndrande polylaktidskikt för användning i absorberande alster

Publications (1)

Publication Number Publication Date
PE1997A1 true PE1997A1 (es) 1997-02-15

Family

ID=20396331

Family Applications (1)

Application Number Title Priority Date Filing Date
PE28686095A PE1997A1 (es) 1994-12-13 1995-12-11 Lamina de polilactida que excreta acido lactico, para utilizarse en articulos absorbentes

Country Status (18)

Country Link
US (1) US6020453A (es)
EP (1) EP0797457B1 (es)
JP (1) JP3778565B2 (es)
AU (1) AU698372B2 (es)
CO (1) CO4650192A1 (es)
CZ (1) CZ180297A3 (es)
DE (1) DE69521910T2 (es)
ES (1) ES2160724T3 (es)
GB (1) GB2296013B (es)
IL (1) IL116302A0 (es)
PE (1) PE1997A1 (es)
PL (1) PL181613B1 (es)
SE (1) SE503906C2 (es)
SK (1) SK282638B6 (es)
TN (1) TNSN95127A1 (es)
TR (1) TR199501513A1 (es)
WO (1) WO1996018422A1 (es)
ZA (1) ZA9510319B (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19713908A1 (de) * 1997-04-04 1998-10-08 Symbio Herborn Group Gmbh & Co Vaginaltampon und Verfahren zu seiner Herstellung
US6235869B1 (en) * 1998-10-20 2001-05-22 United States Surgical Corporation Absorbable polymers and surgical articles fabricated therefrom
SE513261C2 (sv) * 1998-12-16 2000-08-14 Sca Hygiene Prod Ab Absorberande alster innefattande en synergistisk kombination av en pH-reglerande substans och mjölksyrabakterier
AU5943201A (en) * 2000-05-03 2001-11-12 Amgen Inc Modified peptides as therapeutic agents
IL138183A0 (en) 2000-08-31 2001-10-31 Rostam Ltd Ph reducing formulation and delivery system for a tampon
SE518097C2 (sv) * 2000-10-03 2002-08-27 Ellen Ab Förfarande för framställning av en absorberande sanitetsartikel som innefattar mjölksyraproducerande bakterier samt sådant alster
US7037983B2 (en) 2002-06-14 2006-05-02 Kimberly-Clark Worldwide, Inc. Methods of making functional biodegradable polymers
US7994078B2 (en) * 2002-12-23 2011-08-09 Kimberly-Clark Worldwide, Inc. High strength nonwoven web from a biodegradable aliphatic polyester
US7892218B2 (en) * 2004-03-03 2011-02-22 Rostam Ltd. pH reducing formulation
US8399012B2 (en) * 2006-04-17 2013-03-19 Kimberly-Clark Worldwide, Inc. Degradable therapeutic delivery device
US20080200890A1 (en) * 2006-12-11 2008-08-21 3M Innovative Properties Company Antimicrobial disposable absorbent articles
US20110224637A1 (en) * 2010-02-16 2011-09-15 Playtex Products, Llc LOW pH, OPTIMAL ORP, AND ODOR-REDUCING FIBERS, A PROCESS FOR MAKING THE FIBERS, AND ARTICLES MADE THEREFROM

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2309575A1 (de) * 1973-02-26 1974-09-05 J Matthias Dr Wenderlein Tampon mit impraegnierung
US3794034A (en) * 1973-02-27 1974-02-26 J Jones Odor reductant body waste pad
US4431427A (en) * 1981-10-05 1984-02-14 University Of Delaware Tampons and their manufacture
DE3320218A1 (de) * 1983-06-03 1984-12-06 Henkel KGaA, 4000 Düsseldorf Tampons mit schutzwirkung vor vaginalen infekten und verfahren zu deren herstellung
DE68928938T2 (de) * 1988-08-08 1999-09-30 Biopak Technology Ltd., Golden Verfahren zur Weichmachung von Lactidpolymerisaten
US5444113A (en) * 1988-08-08 1995-08-22 Ecopol, Llc End use applications of biodegradable polymers
DK0506775T3 (da) * 1989-12-19 1997-10-13 Procter & Gamble Engangshygiejneklædningsstykker
AU8660191A (en) * 1990-09-06 1992-03-30 Biopak Technology, Ltd. Packaging thermoplastics from lactic acid
AU8616991A (en) * 1990-09-11 1992-03-30 E.I. Du Pont De Nemours And Company Films containing polyhydroxy acids
JP3077704B2 (ja) * 1990-10-30 2000-08-14 株式会社島津製作所 生分解性プラスチック成形体
BR9305660A (pt) * 1992-10-02 1996-11-26 Cargill Inc Filmes de polímero lactideo de fusao estável e processos para fabricaçao dos mesmos
JPH06149169A (ja) * 1992-11-10 1994-05-27 Toshiba Corp Ｃｒｔ表示装置
DE4412317A1 (de) * 1993-04-21 1994-10-27 Basf Ag Polylactid mit verbreiterter Molmassenverteilung
EP0654492B1 (en) * 1993-11-18 2002-04-03 Mitsui Chemicals, Inc. Degradable aliphatic polyester formed products

Also Published As

Publication number Publication date
JPH10510727A (ja) 1998-10-20
TNSN95127A1 (fr) 1996-02-06
GB2296013B (en) 1999-05-12
GB9524772D0 (en) 1996-02-07
GB2296013A (en) 1996-06-19
SK72697A3 (en) 1997-11-05
WO1996018422A1 (en) 1996-06-20
JP3778565B2 (ja) 2006-05-24
MX9704251A (es) 1997-09-30
ES2160724T3 (es) 2001-11-16
SE9404348L (sv) 1996-06-14
EP0797457B1 (en) 2001-07-25
DE69521910T2 (de) 2001-11-15
DE69521910D1 (de) 2001-08-30
TR199501513A1 (tr) 1996-10-21
AU698372B2 (en) 1998-10-29
CZ180297A3 (en) 1997-11-12
IL116302A0 (en) 1996-03-31
PL320668A1 (en) 1997-10-13
SE9404348D0 (sv) 1994-12-13
EP0797457A1 (en) 1997-10-01
AU4275896A (en) 1996-07-03
PL181613B1 (pl) 2001-08-31
SE503906C2 (sv) 1996-09-30
CO4650192A1 (es) 1998-09-03
SK282638B6 (sk) 2002-10-08
US6020453A (en) 2000-02-01
ZA9510319B (en) 1996-06-19

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Legal Events

Date Code Title Description
FG Grant, registration
FD Application declared void or lapsed