ES2130702T3 - Lamina de poliolefina mate y coextrusionada con una formacion de capas asimetrica y con una tendencia minima al enrollado asi como su empleo como pelicula portadora para emplastos para heridas. - Google Patents

Lamina de poliolefina mate y coextrusionada con una formacion de capas asimetrica y con una tendencia minima al enrollado asi como su empleo como pelicula portadora para emplastos para heridas.

Info

Publication number
ES2130702T3
ES2130702T3 ES96101173T ES96101173T ES2130702T3 ES 2130702 T3 ES2130702 T3 ES 2130702T3 ES 96101173 T ES96101173 T ES 96101173T ES 96101173 T ES96101173 T ES 96101173T ES 2130702 T3 ES2130702 T3 ES 2130702T3
Authority
ES
Spain
Prior art keywords
olephine
sheet
well
coextruded
matte
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES96101173T
Other languages
English (en)
Inventor
Eger Guenter
Dirk Dr Schultze
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Produktions und Vertriebs GmbH and Co oHG
Original Assignee
Wolff Walsrode AG
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 Wolff Walsrode AG filed Critical Wolff Walsrode AG
Application granted granted Critical
Publication of ES2130702T3 publication Critical patent/ES2130702T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/02—Adhesive bandages or dressings
    • A61F13/023—Adhesive bandages or dressings wound covering film layers without a fluid retention layer
    • A61F13/0243—Adhesive bandages or dressings wound covering film layers without a fluid retention layer characterised by the properties of the skin contacting layer, e.g. air-vapor permeability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/16—Layered products comprising a layer of synthetic resin specially treated, e.g. irradiated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F2013/00089—Wound bandages
    • A61F2013/00153—Wound bandages coloured or with decoration pattern or printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/408—Matt, dull surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
    • B32B2309/105—Thickness

Landscapes

  • Health & Medical Sciences (AREA)
  • Dermatology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

LA PRESENTE INVENCION SE REFIERE A LAMINA DE POLIOLEFINA MATE, ASIMETRICA, AL MENOS DE DOS CAPAS, DONDE LA LAMINA DE CUERDO CON LA INVENCION MUESTRA UNA INCLINACION DE RODADURA REDUCIDA Y POSEE UN VALOR DE BRILLO EN UN LADO MENOR DE 5, MEDIDO SEGUN DIN 67 530 BAJO UN ANGULO DE 20 QUE MUESTRA EL VALOR DE BRILLO REDUCIDO DE LA LAMINA CONTIENE UNA PORCION DE 10 - 25 % EN MATERIAL DE RELLENO DE SILICATO EN CAPAS DISTRIBUIDO ESENCIALMENTE DE FORMA REGULAR, CUYO TAMAÑO DE GRANO MEDIO ES MENOR DE 20 MICRAS Y COMO MATERIALES DE MATRIZ DE LAS CAPAS INDIVIDUALES DE LA ESTRUCTURA DE CAPAS DE RESINA DE POLIOLEFINA MUESTRA UN POLIMERIZADO DE OLEFINA ABARCANDO HOMOPOLIMERIZADO DE OLEFINA, COPOLIMERIZADO DE OLEFINA Y COPOLIMERIZADO DE OLEFINA CON COMONOMEROS QUE MUESTRAN ATOMOS DE OXIGENO DONDE LOS INDICES DE FLUJO DE COLADA DE LA RESINA DE POLIOLEFINA SE ENCUENTRAN ENTRE 0,2 G/10 MIN Y 8,0 H/10 MIN, MEDIDOS SEGUN DIN 53 735 EN 190 G, ASI COMO UNA DENSIDAD ENTRE 0,900 G/CM{SUP,3} Y 0,960 G/CM{SUP,3} Y LASPROPIEDADES ESENCIALES DEL MATERIAL DE MATRIZ SON IGUALES A LAS CAPAS INDIVIDUALES.
ES96101173T 1995-02-10 1996-01-29 Lamina de poliolefina mate y coextrusionada con una formacion de capas asimetrica y con una tendencia minima al enrollado asi como su empleo como pelicula portadora para emplastos para heridas. Expired - Lifetime ES2130702T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19504318A DE19504318A1 (de) 1995-02-10 1995-02-10 Coextrudierte, matte Polyolefinfolie mit asymetrischem Schichtenaufbau und minimaler Rollneigung sowie ihre Verwendung als Trägerfilm für Wundpflaster

Publications (1)

Publication Number Publication Date
ES2130702T3 true ES2130702T3 (es) 1999-07-01

Family

ID=7753576

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96101173T Expired - Lifetime ES2130702T3 (es) 1995-02-10 1996-01-29 Lamina de poliolefina mate y coextrusionada con una formacion de capas asimetrica y con una tendencia minima al enrollado asi como su empleo como pelicula portadora para emplastos para heridas.

Country Status (3)

Country Link
EP (1) EP0726141B1 (es)
DE (2) DE19504318A1 (es)
ES (1) ES2130702T3 (es)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528235A (en) * 1982-08-05 1985-07-09 Allied Corporation Polymer films containing platelet particles
US4567089A (en) * 1984-07-23 1986-01-28 Mitsubishi Petrochemical Co., Ltd. Thermoforming propylene polymer laminated sheet
US4818782A (en) * 1987-07-30 1989-04-04 E. I. Du Pont De Nemours And Company Ethylene vinyl alcohol copolymers containing platelet-type mica fillers, processes for preparing same and multi-layer containers with layers thereof

Also Published As

Publication number Publication date
DE59601738D1 (de) 1999-06-02
DE19504318A1 (de) 1996-08-14
EP0726141A1 (de) 1996-08-14
EP0726141B1 (de) 1999-04-28

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