WO2012042535A1 - Sachet biocompostable amélioré pour le conditionnement de liquides - Google Patents

Sachet biocompostable amélioré pour le conditionnement de liquides Download PDF

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Publication number
WO2012042535A1
WO2012042535A1 PCT/IN2011/000652 IN2011000652W WO2012042535A1 WO 2012042535 A1 WO2012042535 A1 WO 2012042535A1 IN 2011000652 W IN2011000652 W IN 2011000652W WO 2012042535 A1 WO2012042535 A1 WO 2012042535A1
Authority
WO
WIPO (PCT)
Prior art keywords
biocompostable
pouch
improved
packaging
polymeric film
Prior art date
Application number
PCT/IN2011/000652
Other languages
English (en)
Inventor
Champat Rikhabchand Sanghvi
Deepak Champat Sanghvi
Original Assignee
Champat Rikhabchand Sanghvi
Deepak Champat Sanghvi
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 Champat Rikhabchand Sanghvi, Deepak Champat Sanghvi filed Critical Champat Rikhabchand Sanghvi
Publication of WO2012042535A1 publication Critical patent/WO2012042535A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08J2303/02—Starch; Degradation products thereof, e.g. dextrin

Definitions

  • the present invention relates to a biocompostable packaging pouch.
  • the present invention relates to the improved packaging pouch composed of compostable polymeric film which is completely biocompostable.
  • Pouch is used for packaging of various liquids such as milk, juices, and beverages.
  • liquids such as milk, juices, and beverages.
  • the milk is delivered to various households within a maximum of 18 hours from the time of packing, and is generally consumed within 24- 40 hours.
  • the milk, when not consumed, is always stored at a temperature of 4°C, during transportation as well in households.
  • the liquid is packed in pouches for the transportation. But the pouches have to be packed such that the liquid does not get leaked out from the pouches.
  • FFS machines For the packing of the liquid pouches, various machines are used, of which FFS machines are popular. They are the fill seal packaging machines for packing liquids in pouch for a single serve use. The machines have an electronic control unit for accurate cutting and sealing of the pouches. The sealing pattern available is 3- side seal and 4- side seal. The film/ sheet usually employed for preparing the packaging pouch is not completely biocompostable due to the presence of the heavy metal particles.
  • polymeric film/ sheet used for packaging pouch is composed of thermoplastic material which is non-compostable and may transmit the printing ink inside the packet. Further most of the currently available packaging pouch does not meet the standards established by AIB- VINCOTTE, in their verification test Standards and specifications for polymeric film to be used compostable film. Ideal packaging pouch must comply with the compostability norms such as EN 13432, ASTM D6400 and ISO 17088 to be used as compostable product. Most of available films do not even test for the compostability.
  • an environmentally friendly polymer film pouch made from a polyethylene film structure for the packaging of the flowable materials, for example milk, including, for example, a pouch made from a monolayer or multilayer film structure such as a two layer or a three layer co-extruded film containing atleast one layer of the blend of a linear ethylene interpolymer and a high pressure low density polyethylene as a seal layer. Also disclosed is a process for making a pouch for packaging flowable materials using a film structure of a blend of a linear ethylene interpolymer and a high pressure low density polyethylene.
  • the patented pouch is made of a mono layer or multi layer film structure using 2- layer or 3- layer co extruded film containing a seal layer with a polymeric composition. But the said pouches are not biocompostable.
  • the invention concerns a novel melt- processible co- polyester and prepolymer for the preparation thereof.
  • the co-polyester contains structural units derived from diepoxy, and the polyester units atleast essentially consists of hydroxy acid monomers.
  • the bonds between the structural units are ester bonds and the "number average molar mass, M n , is at least 10,000 g/mol, its weight average molar mass, Mh, is over 20,000 g/mol and molar mass distribution, expressed as the ratio Mn/Mh is over 2.
  • the co-polyester is hydrolytically degradable and it can be used as biodegradable polymer for the manufacture of injection molded articles as well as thermoformed and blow moulded packages, pouches, sacks and bottles, for the coating of sack bags and films made from paper or cardboard and for the preparation of fibres, fiber cloth and expanded polymer articles.
  • the patented polyester can be used for blow molded pouches.
  • the said polymer is hydrolytically or enzymatically biodegradable, whereas the present invention does not require any such methods for its disposable as they get degraded by the action of fungi and bacteria.
  • the Patent No. US 7393592 wherein "Lamination grade coextruded heat-sealable film” includes a core layer of a thermoplastic polymer having a first side and a second side.
  • a functional layer which is printable, sealable, or can be laminated or is treatable for printing, sealing, or laminating is on the first side of the core layer.
  • a heat-sealable layer is on the second side of the core layer.
  • the heat-sealable layer is composed of a thermoplastic polymer and an amount of a slip system, based upon the entire weight of the heat-sealable layer, sufficient to reduce the coefficient of friction and improve the slip performance of the film structure.
  • the slip system is composed of a silicone gum and at least one antiblocking agent.
  • the film structure exhibits the desirable combination of improved converting performance and excellent machinabiliry performance.
  • the said invention is composed of thermoplastic polymer which is not biocompostable. Moreover, the said thermoplastic polymer transmits the printing ink inside the
  • the above mentioned inventions suffer from at least one of the following problems: i. Most of them provide packaging pouch composed of polymeric film which is not completely biocompostable due to the presence of the heavy metal particles. ii. Many of them offer thermoplastic polymeric films which are not compostable. iii. Most of them transmit Printing ink inside the packet due to the use of thermoplastic polymeric material. iv. Most of them do not even test for compostability.
  • the main object of the present invention is to provide an improved biocompostable pouch for packaging of liquids, which is completely biocompostable .
  • Another object of the present invention is to provide biocompostable packaging pouch comprising of polymeric film which does not contain heavy metal particles.
  • Yet another object of the present invention is to provide biocompostable packaging pouch comprising of biocompostable polymeric film which starts composting in presence of soil bacterial even without composting conditions.
  • Yet another object of the present invention is to provide biocompostable packaging pouch which does not transmit the printing ink inside the pouch as it uses biocompostable polymeric film.
  • the present biocompostable pouch for packaging liquids is mainly comprising of polymeric film, which comprises of:
  • the biocompostable pouch for packaging liquids The biocompostable pouch for packaging liquids
  • the said biocompostable pouch is mainly comprising of polymeric film which is made from a blend of biocompostable polymers co- extruded on a blow film extruder using biocompostable slip and antiblocking agents.
  • the thickness of the said biocompostable polymeric film ranges from 40 to 100 microns.
  • the said biocompostable polymeric film of the present invention is produced by blending the biocompostable polymers starch based compounds such as corn, soya, sugarcane or vegetable starch.
  • the said biocompostable slip is preferably erucamide ESA in range of 0.05 to 0.2%.
  • the antiblocking agent is preferably fine talcum in range of 0.5 to 0.7%.
  • the said pouch is used in packaging of liquids in particular milk.
  • polymeric film (1) of the present invention is tested by central institute of plastics engineering & Technology of CI PET as per the standards mentioned below: TABLE 1
  • the pouch thus produced from biocompostable polymeric film, is completely biocompostable and has compostable logo printed on it, to differentiate its nature from regular non-compostable polymeric pouch.
  • the said pouch may or may not be white opaque or transparent in nature.
  • the said pouch gets composted with a time frame of not more than 180 days, from the day it arrives into the composting facility. After a short period of time depending on the composting site, the product is not visually distinguishable and breaks down to carbon dioxide, water, inorganic compounds, and biomass. Moreover, the present pouch starts composting even without composting condition in presence of soil bacterial.
  • the polymeric film of the present invention complies, the standards established by AIB- VINCOTTE, in their verification test Standards and specifications for polymeric film to be used as compostable film by fulfilling the criteria for the compo stability norms which are as below:

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Wrappers (AREA)

Abstract

L'invention concerne un sachet biocompostable amélioré pour le conditionnement de liquides, qui comprend principalement un film biocompostables fabriqué à partir de polymères biocompostables, d'un lubrifiant biocompostable et d'un agent anti-adhérent. Ledit sachet est produit par co-extrusion d'un mélange desdits polymères biocompostables sur une extrudeuse de film par soufflage, au moyen d'un lubrifiant biocompostable et d'agents anti-adhérents.
PCT/IN2011/000652 2010-09-27 2011-09-21 Sachet biocompostable amélioré pour le conditionnement de liquides WO2012042535A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN2687/MUM/2010 2010-09-27
IN2687MU2010 2010-09-27

Publications (1)

Publication Number Publication Date
WO2012042535A1 true WO2012042535A1 (fr) 2012-04-05

Family

ID=45464043

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2011/000652 WO2012042535A1 (fr) 2010-09-27 2011-09-21 Sachet biocompostable amélioré pour le conditionnement de liquides

Country Status (1)

Country Link
WO (1) WO2012042535A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5925726A (en) 1995-04-06 1999-07-20 Neste Oy Thermoplastic biodegradable polyester a process for the preparation thereof and articles manufactured therefrom
US6117465A (en) 1995-09-12 2000-09-12 The Dow Chemical Company Pouches for packaging flowable materials
EP1122192A1 (fr) * 2000-02-02 2001-08-08 Tils, Peter Film tubulaire
US6573340B1 (en) * 2000-08-23 2003-06-03 Biotec Biologische Naturverpackungen Gmbh & Co. Kg Biodegradable polymer films and sheets suitable for use as laminate coatings as well as wraps and other packaging materials
EP1564153A1 (fr) * 2004-02-16 2005-08-17 Nippon Shokubai Co., Ltd. Materiau d'emballage
US6960374B1 (en) * 1999-10-27 2005-11-01 Mitsubishi Plastics, Inc. Biodegradable bag
US20080038496A1 (en) * 2004-04-09 2008-02-14 Novamont S. P. A. Highly-Breathable Biodegradable Film Bag
EP1905577A1 (fr) * 2006-09-28 2008-04-02 Alcan Technology & Management Ltd. Embalage tubulaire en film multicouche
US7393592B2 (en) 2000-11-16 2008-07-01 Exxonmobil Oil Corporation Lamination grade coextruded heat-sealable film
WO2009070494A1 (fr) * 2007-11-27 2009-06-04 Dow Global Technologies Inc. Structure multicouche pour la fabrication d'emballage et emballage de celle-ci

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5925726A (en) 1995-04-06 1999-07-20 Neste Oy Thermoplastic biodegradable polyester a process for the preparation thereof and articles manufactured therefrom
US6117465A (en) 1995-09-12 2000-09-12 The Dow Chemical Company Pouches for packaging flowable materials
US6960374B1 (en) * 1999-10-27 2005-11-01 Mitsubishi Plastics, Inc. Biodegradable bag
EP1122192A1 (fr) * 2000-02-02 2001-08-08 Tils, Peter Film tubulaire
US6573340B1 (en) * 2000-08-23 2003-06-03 Biotec Biologische Naturverpackungen Gmbh & Co. Kg Biodegradable polymer films and sheets suitable for use as laminate coatings as well as wraps and other packaging materials
US7393592B2 (en) 2000-11-16 2008-07-01 Exxonmobil Oil Corporation Lamination grade coextruded heat-sealable film
EP1564153A1 (fr) * 2004-02-16 2005-08-17 Nippon Shokubai Co., Ltd. Materiau d'emballage
US20080038496A1 (en) * 2004-04-09 2008-02-14 Novamont S. P. A. Highly-Breathable Biodegradable Film Bag
EP1905577A1 (fr) * 2006-09-28 2008-04-02 Alcan Technology & Management Ltd. Embalage tubulaire en film multicouche
WO2009070494A1 (fr) * 2007-11-27 2009-06-04 Dow Global Technologies Inc. Structure multicouche pour la fabrication d'emballage et emballage de celle-ci

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