CA2517716C - Film copolymere d'alcool polyvinylique contenant de l'amidon pour le conditionnement de produit non liquide et procede de production associe - Google Patents
Film copolymere d'alcool polyvinylique contenant de l'amidon pour le conditionnement de produit non liquide et procede de production associe Download PDFInfo
- Publication number
- CA2517716C CA2517716C CA 2517716 CA2517716A CA2517716C CA 2517716 C CA2517716 C CA 2517716C CA 2517716 CA2517716 CA 2517716 CA 2517716 A CA2517716 A CA 2517716A CA 2517716 C CA2517716 C CA 2517716C
- Authority
- CA
- Canada
- Prior art keywords
- film
- copolymer
- percent
- weight
- range
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 20
- 239000012263 liquid product Substances 0.000 title claims abstract description 19
- 229920002472 Starch Polymers 0.000 title claims description 9
- 235000019698 starch Nutrition 0.000 title claims description 9
- 239000008107 starch Substances 0.000 title claims description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 title description 22
- 239000004372 Polyvinyl alcohol Substances 0.000 title description 20
- 229920001577 copolymer Polymers 0.000 claims abstract description 72
- 229920000881 Modified starch Polymers 0.000 claims abstract description 27
- 235000019426 modified starch Nutrition 0.000 claims abstract description 27
- 239000004368 Modified starch Substances 0.000 claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims abstract description 18
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004014 plasticizer Substances 0.000 claims abstract description 12
- 239000004094 surface-active agent Substances 0.000 claims abstract description 10
- 239000000314 lubricant Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 125000000457 gamma-lactone group Chemical group 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 11
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 claims description 11
- 229940001584 sodium metabisulfite Drugs 0.000 claims description 11
- 235000010262 sodium metabisulphite Nutrition 0.000 claims description 11
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical group OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 claims description 10
- 150000007942 carboxylates Chemical group 0.000 claims description 10
- 229920000642 polymer Polymers 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 10
- 229920002554 vinyl polymer Polymers 0.000 claims description 10
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 8
- 238000010998 test method Methods 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 4
- 230000003301 hydrolyzing effect Effects 0.000 claims description 4
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000010408 film Substances 0.000 description 54
- 239000000047 product Substances 0.000 description 12
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 150000001412 amines Chemical class 0.000 description 5
- 239000007844 bleaching agent Substances 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 5
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- -1 amine acetates Chemical class 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical group CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000004606 Fillers/Extenders Substances 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- 125000002091 cationic group Chemical group 0.000 description 3
- 239000000645 desinfectant Substances 0.000 description 3
- 239000003599 detergent Substances 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 229920001519 homopolymer Polymers 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 2
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 238000006136 alcoholysis reaction Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical class [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Chemical class 0.000 description 2
- 229920006280 packaging film Polymers 0.000 description 2
- 239000012785 packaging film Substances 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 239000011118 polyvinyl acetate Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 229940045872 sodium percarbonate Drugs 0.000 description 2
- 239000000600 sorbitol Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 2
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 1
- 241000270728 Alligator Species 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- PTHCMJGKKRQCBF-UHFFFAOYSA-N Cellulose, microcrystalline Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC)C(CO)O1 PTHCMJGKKRQCBF-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229920000168 Microcrystalline cellulose Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N Tetraethylene glycol, Natural products OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 229940105990 diglycerin Drugs 0.000 description 1
- GPLRAVKSCUXZTP-UHFFFAOYSA-N diglycerol Chemical compound OCC(O)COCC(O)CO GPLRAVKSCUXZTP-UHFFFAOYSA-N 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-N dithionous acid Chemical class OS(=O)S(O)=O GRWZHXKQBITJKP-UHFFFAOYSA-N 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002169 ethanolamines Chemical class 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 150000002193 fatty amides Chemical class 0.000 description 1
- 150000002194 fatty esters Chemical class 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000008108 microcrystalline cellulose Substances 0.000 description 1
- 235000019813 microcrystalline cellulose Nutrition 0.000 description 1
- 229940016286 microcrystalline cellulose Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000009896 oxidative bleaching Methods 0.000 description 1
- 239000006072 paste Substances 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000009895 reductive bleaching Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 229920003170 water-soluble synthetic polymer Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/46—Applications of disintegrable, dissolvable or edible materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wrappers (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
L'invention concerne un film soluble dans l'eau permettant de conditionner un produit non liquide, un conditionnement employant ledit film, et des procédés de production de ce dernier. Ledit film comprend: un copolymère hydrolysé d'acétate de vinyle et d'acrylate de méthyle dans la plage comprise entre environ 30 et environ 95 pour cent en poids, de l'amidon modifié dans la plage comprise entre environ 4 et environ 30 pour cent en poids, un plastifiant dans la plage comprise entre environ 5 et environ 30 pour cent en poids, un lubrifiant/agent de libération dans la plage comprise entre environ 0,0 et environ 1,5 pour cent en poids, et un tensioactif dans la plage comprise entre environ 0,01 et environ 1,5 pour cent en poids.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/367,050 | 2003-02-14 | ||
| US10/367,050 US6821590B2 (en) | 2003-02-14 | 2003-02-14 | Starch-loaded polyvinyl alcohol copolymer film |
| US10/722,637 | 2003-11-26 | ||
| US10/722,637 US7005168B2 (en) | 2003-02-14 | 2003-11-26 | Starch-loaded polyvinyl alcohol copolymer film for packaging non-liquid product and method for making the same |
| PCT/US2004/004048 WO2004074351A2 (fr) | 2003-02-14 | 2004-02-12 | Film copolymere d'alcool polyvinylique contenant de l'amidon pour le conditionnement de produit non liquide et procede de production associe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2517716A1 CA2517716A1 (fr) | 2004-09-02 |
| CA2517716C true CA2517716C (fr) | 2009-06-02 |
Family
ID=32911917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2517716 Expired - Lifetime CA2517716C (fr) | 2003-02-14 | 2004-02-12 | Film copolymere d'alcool polyvinylique contenant de l'amidon pour le conditionnement de produit non liquide et procede de production associe |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1594915A2 (fr) |
| AU (1) | AU2004213383B2 (fr) |
| CA (1) | CA2517716C (fr) |
| WO (1) | WO2004074351A2 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2442626A (en) | 2005-06-16 | 2008-04-09 | Nippon Synthetic Chem Ind | Water-soluble film |
| BR112017009802A2 (pt) | 2014-11-28 | 2017-12-26 | Kuraray Co | película de silagem, forragem enrolada e método de armazenamento de forragens |
| TWI845472B (zh) * | 2016-10-27 | 2024-06-21 | 美商摩諾索公司 | 具有低摩擦係數之水溶性膜 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2649403B1 (fr) * | 1989-07-05 | 1991-10-25 | Lenigen Norbert | Film d'alcool polyvinylique ayant des caracteristiques ameliorees de solubilite |
| US5272191A (en) * | 1991-08-21 | 1993-12-21 | Fmc Corporation | Cold water soluble films and film forming compositions |
| US6387991B1 (en) * | 1995-12-18 | 2002-05-14 | E. I. Du Pont De Nemours & Company | Poly(vinyl alcohol) copolymer ionomers, their preparation and use in textile sizes |
-
2004
- 2004-02-12 WO PCT/US2004/004048 patent/WO2004074351A2/fr active Search and Examination
- 2004-02-12 AU AU2004213383A patent/AU2004213383B2/en not_active Ceased
- 2004-02-12 EP EP20040710619 patent/EP1594915A2/fr not_active Withdrawn
- 2004-02-12 CA CA 2517716 patent/CA2517716C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004074351A2 (fr) | 2004-09-02 |
| AU2004213383B2 (en) | 2008-08-14 |
| WO2004074351A3 (fr) | 2004-11-18 |
| EP1594915A2 (fr) | 2005-11-16 |
| CA2517716A1 (fr) | 2004-09-02 |
| AU2004213383A1 (en) | 2004-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7005168B2 (en) | Starch-loaded polyvinyl alcohol copolymer film for packaging non-liquid product and method for making the same | |
| US6787512B1 (en) | Water-soluble copolymer film packet | |
| JP7204488B2 (ja) | 水溶性パケット | |
| EP2970839B1 (fr) | Film hydrosoluble pour une action retardée | |
| US10808210B2 (en) | Water-soluble film for delayed release | |
| US11407866B2 (en) | Water-soluble polyvinyl alcohol blend film, related methods, and related articles | |
| JP7352469B2 (ja) | ポリビニルアルコール系フィルム | |
| US11453754B2 (en) | Water-soluble polyvinyl alcohol blend film, related methods, and related articles | |
| US11193092B2 (en) | Water-soluble polyvinyl alcohol film, related methods, and related articles | |
| JPS63168437A (ja) | アルカリ性物質包装用のポリビニルアルコ−ルフイルム | |
| US20230039669A1 (en) | Water-soluble film, and chemical agents-enclosing packaging capsule material having same | |
| US20070117734A1 (en) | Liquid-crystalline washing or cleaning composition containing a particulate bleaching agent | |
| CA2517716C (fr) | Film copolymere d'alcool polyvinylique contenant de l'amidon pour le conditionnement de produit non liquide et procede de production associe | |
| JP5122040B2 (ja) | ポリビニルアルコール系水溶性フィルムおよびその製造法 | |
| EP3564151B1 (fr) | Emballage pour un produit chimique liquide, et procédé de fabrication de celui-ci | |
| RU2791028C2 (ru) | Водорастворимая пленка из поливинилового спирта, связанные методы и связанные изделия | |
| US20230250246A1 (en) | High Clarity Water-Soluble Films and Methods of Making Same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20240212 |