ES8602067A1 - PVA film having delayed dissolution - Google Patents

PVA film having delayed dissolution

Info

Publication number
ES8602067A1
ES8602067A1 ES527178A ES527178A ES8602067A1 ES 8602067 A1 ES8602067 A1 ES 8602067A1 ES 527178 A ES527178 A ES 527178A ES 527178 A ES527178 A ES 527178A ES 8602067 A1 ES8602067 A1 ES 8602067A1
Authority
ES
Spain
Prior art keywords
film
saponified
plasticiser
polyvinyl alcohol
water
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
Application number
ES527178A
Other languages
Spanish (es)
Other versions
ES527178A0 (en
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.)
Negoce & Distribut Nedi
Raimbault & Cie S A P
Original Assignee
Negoce & Distribut Nedi
Raimbault & Cie S A P
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 Negoce & Distribut Nedi, Raimbault & Cie S A P filed Critical Negoce & Distribut Nedi
Priority to ES527178A priority Critical patent/ES8602067A1/en
Publication of ES527178A0 publication Critical patent/ES527178A0/en
Publication of ES8602067A1 publication Critical patent/ES8602067A1/en
Expired legal-status Critical Current

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  • Medicinal Preparation (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

A PVA film with delayed dissolution in water is obtd. from a saponified PVA and is characterised by having a thickness of 30-100 microns and by a residual, non-saponified vinyl acetate content of 0.2-0.7%. The film pref. contains glycerin or similar type of material as plasticiser and an antiblocking agent. The film is claimed for use as mortuary shrouds, coffin linings etc. and exhibits high mechanical strength for a few weeks after being put in contact with a corpse but is biodegradable after a few months. EPAB- EP-107576 B Method for the production of a device for burying dead bodies, comprising a polyvinyl alcohol film with retarded aqueous dissolution, obtained from a saponified polyvinyl alcohol resin, characterised in that a film is utilised such as: its thickness is comprised between 30 and 100 microm the basic polyvinyl alcohol resin contains a proportion by weight of residual unsaponified vinyl acetate which is comprised between 0.2 and 0.7% said film comprises in its body a plasticiser and an anti-blocking agent and before removal of water useful for aqueous dissolution, the composition by weight of said film is approximately as follows: polyvinyl alcohol resin :from 45 to 60 %, plasticiser :from 5 to 20 %, anti-blocking agent :from 0.05 to 0.2 %, water: amount sufficient for aqueous dissolution of the resin. - (6pp) - EP-107576 B A PVA film with delayed dissolution in water is obtd. from a saponified PVA and is characterised by having a thickness of 30-100 microns and by a residual, non-saponified vinyl acetate content of 0.2-0.7%. The film pref. contains glycerin or similar type of material as plasticiser and an antiblocking agent. The film is claimed for use as mortuary shrouds, coffin linings etc. and exhibits high mechanical strength for a few weeks after being put in contact with a corpse but is biodegradable after a few months. (Dwg.0/0)
ES527178A 1983-10-28 1983-10-28 PVA film having delayed dissolution Expired ES8602067A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES527178A ES8602067A1 (en) 1983-10-28 1983-10-28 PVA film having delayed dissolution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES527178A ES8602067A1 (en) 1983-10-28 1983-10-28 PVA film having delayed dissolution

Publications (2)

Publication Number Publication Date
ES527178A0 ES527178A0 (en) 1985-11-16
ES8602067A1 true ES8602067A1 (en) 1985-11-16

Family

ID=8486440

Family Applications (1)

Application Number Title Priority Date Filing Date
ES527178A Expired ES8602067A1 (en) 1983-10-28 1983-10-28 PVA film having delayed dissolution

Country Status (1)

Country Link
ES (1) ES8602067A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011078640A2 (en) * 2009-12-21 2011-06-30 Jardon Sepulveda Fernando Botanical cemetery
WO2020058539A1 (en) * 2018-09-19 2020-03-26 Plásticos Hidrosolubles S.L. Bag for packaging textile garments

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011078640A2 (en) * 2009-12-21 2011-06-30 Jardon Sepulveda Fernando Botanical cemetery
WO2011078640A3 (en) * 2009-12-21 2011-12-01 Jardon Sepulveda Fernando Botanical cemetery
WO2020058539A1 (en) * 2018-09-19 2020-03-26 Plásticos Hidrosolubles S.L. Bag for packaging textile garments

Also Published As

Publication number Publication date
ES527178A0 (en) 1985-11-16

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19960725