CL2019002593A1 - Películas elastoméricas con baja propagación del desgarro - Google Patents

Películas elastoméricas con baja propagación del desgarro

Info

Publication number
CL2019002593A1
CL2019002593A1 CL2019002593A CL2019002593A CL2019002593A1 CL 2019002593 A1 CL2019002593 A1 CL 2019002593A1 CL 2019002593 A CL2019002593 A CL 2019002593A CL 2019002593 A CL2019002593 A CL 2019002593A CL 2019002593 A1 CL2019002593 A1 CL 2019002593A1
Authority
CL
Chile
Prior art keywords
tear propagation
film
elastomeric films
low tear
films
Prior art date
Application number
CL2019002593A
Other languages
English (en)
Inventor
Iyad Muslet
Jerry Westerkamp
Original Assignee
Berry Film Products Company Inc
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 Berry Film Products Company Inc filed Critical Berry Film Products Company Inc
Publication of CL2019002593A1 publication Critical patent/CL2019002593A1/es

Links

Classifications

    • 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
    • A61L15/225—Mixtures of macromolecular compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent 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 shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/4902—Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent 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
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    • A61F13/51121—Topsheet, i.e. the permeable cover or layer facing the skin characterised by the material
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    • A61F13/00—Bandages or dressings; Absorbent pads
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    • A61F13/51—Absorbent 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
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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Hematology (AREA)
  • Materials Engineering (AREA)
  • Dermatology (AREA)
  • Textile Engineering (AREA)
  • Laminated Bodies (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

Películas termoplásticas multicapa y laminados y artículos que comprenden las películas, en donde la película comprende al menos una capa interna y al menos dos capas externas, en donde la capa interna comprende una composición polimérica que comprende de aproximadamente 55% a aproximadamente 95% de uno o más copolímeros de bloque de estireno no hidrogenados, copolímeros de bloque olefínicos o combinaciones de los mismos; y cada una de las capas externas comprende al menos 20% de polipropileno y tiene un espesor de aproximadamente 5% a aproximadamente 15% del espesor total de la película y, además, en donde la película tiene una propagación del desgarro de fuerza constante de aproximadamente 20% o menos.
CL2019002593A 2017-03-14 2019-09-11 Películas elastoméricas con baja propagación del desgarro CL2019002593A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201762470952P 2017-03-14 2017-03-14

Publications (1)

Publication Number Publication Date
CL2019002593A1 true CL2019002593A1 (es) 2020-01-17

Family

ID=63520503

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2019002593A CL2019002593A1 (es) 2017-03-14 2019-09-11 Películas elastoméricas con baja propagación del desgarro

Country Status (8)

Country Link
US (2) US11135335B2 (es)
BR (1) BR112019018633B1 (es)
CL (1) CL2019002593A1 (es)
CO (1) CO2019011224A2 (es)
EC (1) ECSP19066616A (es)
MX (1) MX2019010830A (es)
PE (1) PE20200147A1 (es)
WO (1) WO2018169656A1 (es)

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WO2018169656A1 (en) 2018-09-20
ECSP19066616A (es) 2019-11-30
BR112019018633B1 (pt) 2023-03-28
US20180264163A1 (en) 2018-09-20
US20210386904A1 (en) 2021-12-16
US11690932B2 (en) 2023-07-04
MX2019010830A (es) 2019-10-15
CO2019011224A2 (es) 2019-10-31
US11135335B2 (en) 2021-10-05
BR112019018633A2 (pt) 2020-04-07
PE20200147A1 (es) 2020-01-16

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