ES8602067A1 - PVA film having delayed dissolution - Google Patents
PVA film having delayed dissolutionInfo
- 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
Links
Landscapes
- 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)
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)
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 |
-
1983
- 1983-10-28 ES ES527178A patent/ES8602067A1/en not_active Expired
Cited By (3)
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 |