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Transparent High-Barrier Retortable Film

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Transparent High-Barrier Retortable Film ANTWERP TOKYO HOUSTON SHANGHAI Contact TOKYO HEAD OFFICE OTE-CENTER BUILDING, 1-1-3 OTEMACHI, CHIYODAKU, TOKYO:100-8115 FILM SALES DEPARTMENT, TEL: +81-3-6701-1491 FAX: +81-3-6701-1476 CHINA KURARAY SHANGHAI Co.,Ltd 18F JIUSHE FUXING BUILDING, 918 HUAIHAIROAD(M), SHANGHAI: 200020 EVAL GROUP TEL: +86-21-6415-1146 FAX: +86-21-6415-1148 http://www.kurarister.jp e-mail : [email protected] EUROPE KURARAY (EVAL EUROPE nv), HAVEN 1053, NIEUWE WEG 1 - BUS 10 B-2070 ZWIJNDRECHT (ANTWERP), BELGIUM TEL.: +32 3 250 97 22 FAX: +32 3 250 97 45 E-mail: [email protected] www.kurarister.com TRANSPARENT HIGH-BARRIER www.kurarister.com e-mail: [email protected] RETORTABLE FILM AMERICAS KURARAY AMERICA INC. 2625 BAY AREA BLVD, SUITE 300 HOUSTON, TX 77058, USA TEL.: (800) 423 9762 FAX: (281) 204 4622 www.kurarister.com E-mail: [email protected] 2009 / 08 / 1000 111544 EVAL - KURARISTER.indd 1 29/04/11 14:57 A clear choice for retort packaging 1. What is KURARISTER™? KURARISTER™ is a transparent high gas barrier retortable film, with Kuraray´s proprietary Kuraray Co. Ltd. became known as a leader in gas barrier technology with EVAL™ EVOH. EVAL™ resins organic/inorganic hybrid composite coated on both sides of a base substrate. and films used in food packaging preserve product flavour and aroma, and prolong product freshness The coating layers are extremely durable and provide reliable high gas barrier properties. KURARISTER™ C is based on PET film and KURARISTER™ N is based on bi-axially oriented PA film, and shelf life. KURARISTER™ is a new transparent film for lamination, developed to extend these which can be used for a wide range of packaging applications. properties into flexible barrier retort packaging. KURARISTER™ is not an EVAL™ product, but rather uses Kuraray's proprietary organic/inorganic hybrid technology. Structure of KURARISTER™ film Cross section of KURARISTER™ Magnified picture of barrier coating O2 Base film O2 Polymeric O2 O2 O2 O2 O2 matrix Contents Hybrid Base film Grade 1. What is KURARISTER™? P.3 Inorganic PET KURARISTER™ C compound 2. Characteristics P.3 OPA KURARISTER™ N Polymeric matrix Inorganic compound Food safety:KURARISTER™ has passed the specification/standard test of Official Notice No. 370(1959) from Japan's Ministry of Health and Welfare. KURARISTER™ may be used for indirect 3. Gas Barrier Performance P.4 food contact as outlined by the US FDA's CFR176.170, CFR177.1390, CFR177.1395 and is approved for use as a food package material. KURARISTER™ is approved for use as a plastic material under the EU Directive No.1935/2004/EC. For additional information, please contact us. 4. Performance Testing P.5 Characteristics 5. Physical Properties P.6 2. 6. Applications & Package Structures P.7 Reliable high gas barrier performance ■The highest gas barrier level among existing plastic films ■Retortable, suitable for use with common retort methods ■High resistance to elongation, flexing and folding ■High adhesive strength ■Suitable to any filling method 2-ply structure for retort pouch ■OPA-based KURARISTER™ N combines mechanical strength and high-barrier properties. ■Excellent toughness and flexibility provided by the OPA base film. ■Cost reduction by using a 2-ply structure of KURARISTER™ N / Sealing layer. ■Weight reduction of package Alternative to aluminum foil ■Transparent → Quality checking ■Printable without surface treatment → High impact image and shelf appeal ■Compatible with metal detectors → Food safety ■Microwavable → Convenience ■Recoverable without toxic emissions → Reduced environmental impact 2 3 111544 EVAL - KURARISTER.indd 2 29/04/11 14:57 A clear choice for retort packaging 1. What is KURARISTER™? KURARISTER™ is a transparent high gas barrier retortable film, with Kuraray´s proprietary Kuraray Co. Ltd. became known as a leader in gas barrier technology with EVAL™ EVOH. EVAL™ resins organic/inorganic hybrid composite coated on both sides of a base substrate. and films used in food packaging preserve product flavour and aroma, and prolong product freshness The coating layers are extremely durable and provide reliable high gas barrier properties. KURARISTER™ C is based on PET film and KURARISTER™ N is based on bi-axially oriented PA film, and shelf life. KURARISTER™ is a new transparent film for lamination, developed to extend these which can be used for a wide range of packaging applications. properties into flexible barrier retort packaging. KURARISTER™ is not an EVAL™ product, but rather uses Kuraray's proprietary organic/inorganic hybrid technology. Structure of KURARISTER™ film Cross section of KURARISTER™ Magnified picture of barrier coating O2 Base film O2 Polymeric O2 O2 O2 O2 O2 matrix Contents Hybrid Base film Grade 1. What is KURARISTER™? P.3 Inorganic PET KURARISTER™ C compound 2. Characteristics P.3 OPA KURARISTER™ N Polymeric matrix Inorganic compound Food safety:KURARISTER™ has passed the specification/standard test of Official Notice No. 370(1959) from Japan's Ministry of Health and Welfare. KURARISTER™ may be used for indirect 3. Gas Barrier Performance P.4 food contact as outlined by the US FDA's CFR176.170, CFR177.1390, CFR177.1395 and is approved for use as a food package material. KURARISTER™ is approved for use as a plastic material under the EU Directive No.1935/2004/EC. For additional information, please contact us. 4. Performance Testing P.5 Characteristics 5. Physical Properties P.6 2. 6. Applications & Package Structures P.7 Reliable high gas barrier performance ■The highest gas barrier level among existing plastic films ■Retortable, suitable for use with common retort methods ■High resistance to elongation, flexing and folding ■High adhesive strength ■Suitable to any filling method 2-ply structure for retort pouch ■OPA-based KURARISTER™ N combines mechanical strength and high-barrier properties. ■Excellent toughness and flexibility provided by the OPA base film. ■Cost reduction by using a 2-ply structure of KURARISTER™ N / Sealing layer. ■Weight reduction of package Alternative to aluminum foil ■Transparent → Quality checking ■Printable without surface treatment → High impact image and shelf appeal ■Compatible with metal detectors → Food safety ■Microwavable → Convenience ■Recoverable without toxic emissions → Reduced environmental impact 2 3 111544 EVAL - KURARISTER.indd 3 29/04/11 14:57 3. Gas Barrier Performance 4. Performance Testing Oxygen transmission rate KURARISTER™ protects food contents from oxidation with its reliable high gas barrier performance. The following are the results of storage tests before and after retort, using a methylene blue indicator KURARISTER™ shows high gas barrier performance in a wide range of retort methods and conditions. method*. 3-1. Oxygen Transmission Rates Unit : cc/m2.day.atm Retort 4-1.Vacuum pouch KURARISTER™ C KURARISTER™ N Method Condition Pouch Silica ball before retort 0.3 0.5 KURARISTER™ Inorganic coated PET PVDC film water immersion 120℃ 30 min 0.4 0.7 water immersion 120℃ 60 min 0.4 0.7 water immersion 120℃ 120 min 0.4 0.7 spray 120℃ 30 min 0.4 0.7 Before steam 120℃ 30 min 0.5 0.7 retort * OTR Measurement condition : 20℃ 85%RH / 100%RH *2 KURARISTER™ C (3 layers) : KURARISTER™ C #12 / BON15μm / CPP50μm KURARISTER™ N (2 layers) : KURARISTER™ N #15 / OPA50μm Gel (Colour changes to blue with oxygen ingress) The test result shows that Reliable oxygen transmission rate after physical stress KURARISTER™ film maintains 1day after KURARISTER™ has high resistance to physical stress such as flex, elongation, friction and folding due its gas barrier properties after retort to its durable coating layers. Such stress has little impact on KURARISTER™ gas barrier properties. the stress of pouch vacuuming 3-2. OTR after retort and flexing and retort treatment. 6 KURARISTER™ C 4-2.Lidding film 4 KURARISTER™ N .day.atm 2 Inorganic coated PET 2 Lid film Aluminum cup KURARISTER™ Inorganic coated PET PVDC film cc/m 0 Gelbo 0 cycle Gelbo 10 cycles Gelbo 50 cycles * OTR measurement condition : 20℃ 85% / 100%RH * Retort condition : 120℃ -30min., water immersion Before *2 KURARISTER™ C (3 layers) : KURARISTER™ C #12 / OPA15μm / CPP50μm retort KURARISTER™ N (2 layers) : KURARISTER™ N #15 / CPP50μm Inorganic coated PET (3 layers) : Inorganic coated PET 12μm / OPA15μm / CPP50μm Gel (Colour changes to blue with oxygen ingress) 3-3. OTR after elongation and scratch testing 1 The test result shows that the 20days KURARISTER™ C stress of heat sealing and retort 0.8 KURARISTER™ N after retort 0.6 Inorganic coated PET treatment has little impact on .day.atm 2 0.4 KURARISTER™´s gas barrier cc/m properties. 0.2 0 0% elongation 5% elongation Test conditions Test sample film structures * Retort condition : 120℃ - 30 minutes, water immersion PET 12μm * Film before retort * Storage condition : 23 50%RH ℃ Inorganic coated PET 12μm PVDCfilm 15μm * OTR measurement condition: 20℃ 85%RH KURARISTER™ N #15 OPA 15μm OPA 15μm CPP 70μm CPP 70μm CPP 70μm KURARISTER™ Inorganic coated PET PVDC film *Methylene blue method: Methylene blue gel changes colour with oxidation, allowing to effectively visualise oxygen permeation into a package. 4 5 111544 EVAL - KURARISTER.indd 4 29/04/11 14:57 3. Gas Barrier Performance 4. Performance Testing Oxygen transmission rate KURARISTER™ protects food contents from oxidation with its reliable high gas barrier performance. The following are the results of storage tests before and after retort, using a methylene blue indicator KURARISTER™ shows high gas barrier performance in a wide range of retort methods and conditions. method*.
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