IT1241578B - Composite material comprising at least one soft layer to facilitate tearing - Google Patents

Composite material comprising at least one soft layer to facilitate tearing

Info

Publication number
IT1241578B
IT1241578B IT19562A IT1956290A IT1241578B IT 1241578 B IT1241578 B IT 1241578B IT 19562 A IT19562 A IT 19562A IT 1956290 A IT1956290 A IT 1956290A IT 1241578 B IT1241578 B IT 1241578B
Authority
IT
Italy
Prior art keywords
layer
composite material
soft layer
film
facilitate tearing
Prior art date
Application number
IT19562A
Other languages
Italian (it)
Other versions
IT9019562A1 (en
IT9019562A0 (en
Inventor
Franca Navarini
Armando Molinari
Original Assignee
Safta Spa
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 Safta Spa filed Critical Safta Spa
Priority to IT19562A priority Critical patent/IT1241578B/en
Publication of IT9019562A0 publication Critical patent/IT9019562A0/en
Publication of IT9019562A1 publication Critical patent/IT9019562A1/en
Application granted granted Critical
Publication of IT1241578B publication Critical patent/IT1241578B/en

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Abstract

The composite material according to the invention having low resistance to tearing and good mechanical strength and puncture resistance comprises at least: a) a mechanically strong outer plastic film, preferably biaxially oriented and printed, selected for example from polyester, polyamide and polyolefin and preferably metallized; b) a highly adhesive layer, preferably in the form of an extruded coating, selected for example from the low- density polyolefins; c) a soft layer imparting tearability preferably selected from: c') a sublayer of coextruded and microperforated ethylene copolymers; c'') a nonwoven film; d) a layer substantially similar to layer b). In a preferred embodiment an additional polyolefin film is applied.
IT19562A 1990-03-05 1990-03-05 Composite material comprising at least one soft layer to facilitate tearing IT1241578B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT19562A IT1241578B (en) 1990-03-05 1990-03-05 Composite material comprising at least one soft layer to facilitate tearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19562A IT1241578B (en) 1990-03-05 1990-03-05 Composite material comprising at least one soft layer to facilitate tearing

Publications (3)

Publication Number Publication Date
IT9019562A0 IT9019562A0 (en) 1990-03-05
IT9019562A1 IT9019562A1 (en) 1991-09-05
IT1241578B true IT1241578B (en) 1994-01-18

Family

ID=11159088

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19562A IT1241578B (en) 1990-03-05 1990-03-05 Composite material comprising at least one soft layer to facilitate tearing

Country Status (1)

Country Link
IT (1) IT1241578B (en)

Also Published As

Publication number Publication date
IT9019562A1 (en) 1991-09-05
IT9019562A0 (en) 1990-03-05

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970327