IT1035171B - Biodegradable impermeable sheet for hygienic use - consisting of non-biodegradable, water resistant material contg. dispersed biodegradable material - Google Patents

Biodegradable impermeable sheet for hygienic use - consisting of non-biodegradable, water resistant material contg. dispersed biodegradable material

Info

Publication number
IT1035171B
IT1035171B IT4892075A IT4892075A IT1035171B IT 1035171 B IT1035171 B IT 1035171B IT 4892075 A IT4892075 A IT 4892075A IT 4892075 A IT4892075 A IT 4892075A IT 1035171 B IT1035171 B IT 1035171B
Authority
IT
Italy
Prior art keywords
biodegradable
sheet
dispersed
impermeable sheet
water resistant
Prior art date
Application number
IT4892075A
Other languages
Italian (it)
Original Assignee
Personal Products Co
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 Personal Products Co filed Critical Personal Products Co
Priority to IT4892075A priority Critical patent/IT1035171B/en
Application granted granted Critical
Publication of IT1035171B publication Critical patent/IT1035171B/en

Links

Landscapes

  • Laminated Bodies (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Biodegradable impermeable sheet, esp. for use in disposable hygienic napkins, consists of (I) a sheet-forming matl. that is non-biodegradable and resistant to water, and (II) 40-60, esp. 38-45 wt. % based on sheet, biodegradable material, that is homogeneously dispersed in I. Pref. also contains (III) less than 63 wt. % plasticiser, based on sheet. I is pref. water insoluble PVA or polyethylene. II is pref a starch, dextrin, or collagen. The sheet resists the penetration of body fluids. Satisfactory physical strength and flexibility. Is degraded rapidly by bacteria present in sewage.
IT4892075A 1975-04-03 1975-04-03 Biodegradable impermeable sheet for hygienic use - consisting of non-biodegradable, water resistant material contg. dispersed biodegradable material IT1035171B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT4892075A IT1035171B (en) 1975-04-03 1975-04-03 Biodegradable impermeable sheet for hygienic use - consisting of non-biodegradable, water resistant material contg. dispersed biodegradable material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT4892075A IT1035171B (en) 1975-04-03 1975-04-03 Biodegradable impermeable sheet for hygienic use - consisting of non-biodegradable, water resistant material contg. dispersed biodegradable material

Publications (1)

Publication Number Publication Date
IT1035171B true IT1035171B (en) 1979-10-20

Family

ID=11269040

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4892075A IT1035171B (en) 1975-04-03 1975-04-03 Biodegradable impermeable sheet for hygienic use - consisting of non-biodegradable, water resistant material contg. dispersed biodegradable material

Country Status (1)

Country Link
IT (1) IT1035171B (en)

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