IT1201413B - Pharmaceutical compsn. - Google Patents

Pharmaceutical compsn.

Info

Publication number
IT1201413B
IT1201413B IT20272/85A IT2027285A IT1201413B IT 1201413 B IT1201413 B IT 1201413B IT 20272/85 A IT20272/85 A IT 20272/85A IT 2027285 A IT2027285 A IT 2027285A IT 1201413 B IT1201413 B IT 1201413B
Authority
IT
Italy
Prior art keywords
density polyethylene
blends
temp
layer
low density
Prior art date
Application number
IT20272/85A
Other languages
Italian (it)
Other versions
IT8520272A0 (en
Inventor
Stefano Poli
Original Assignee
Poli Ind Chimica 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 Poli Ind Chimica Spa filed Critical Poli Ind Chimica Spa
Priority to IT20272/85A priority Critical patent/IT1201413B/en
Publication of IT8520272A0 publication Critical patent/IT8520272A0/en
Application granted granted Critical
Publication of IT1201413B publication Critical patent/IT1201413B/en

Links

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Abstract

Polyolefin film with a mat finish comprises at least two coextruded layers; an upper mat finish layer comprising high density polyethylene, polypropylene or blends thereof and a second layer comprising low density polyethylene, linear low density polyethylene or blends thereof. The film is prepd. by coextrusion of an external layer comprising high density polyethylene, polypropylene or blends thereof and an internal layer comprising low density polyethylene, linear low density polyethylene or blends thereof. The extrusion process comprises passage of the coextruded layers from feed zone to an extruder die through temp. control zones where the external layer passing through the temp. control zones from the feed zone is heated more rapidly to a higher temp. than the corresp. internal layer in the corresp. temp. control zone
IT20272/85A 1985-04-05 1985-04-05 Pharmaceutical compsn. IT1201413B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT20272/85A IT1201413B (en) 1985-04-05 1985-04-05 Pharmaceutical compsn.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20272/85A IT1201413B (en) 1985-04-05 1985-04-05 Pharmaceutical compsn.

Publications (2)

Publication Number Publication Date
IT8520272A0 IT8520272A0 (en) 1985-04-05
IT1201413B true IT1201413B (en) 1989-02-02

Family

ID=11165324

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20272/85A IT1201413B (en) 1985-04-05 1985-04-05 Pharmaceutical compsn.

Country Status (1)

Country Link
IT (1) IT1201413B (en)

Also Published As

Publication number Publication date
IT8520272A0 (en) 1985-04-05

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