초록

異種의 소재들로 구성된 현 식품포장재로서의 요구특성(산소/수분차단성, 열접착성, 내boil성, retort성, 내충격성 등)을 만족하면서 재활용이 가능한 고차단성 폴리올레핀(PP 등)계 同種 UNI소재로 된 온실가스감축 친환경 식품포장재(라면/스낵용, 무균밥용 및 retort 식품용) pilot scale 제조기술 개발

( 출처: 보고서 요약서 5p )

Abstract ▼

Ⅳ. Result
ㅇ The first detailed Project : Development of Hybrid Thin Film Coating Technology with High Oxygen Blocking Ability by Wet Process
- Oxygen transfer rate (OTR, cc/m²∙day) ≤0.5 (purpose ≤0.5), Water Vapor Transmission Rate (WVTR, g/m²∙day) 3.0 (purpose ≤6.0), Tra

Ⅳ. Result
ㅇ The first detailed Project : Development of Hybrid Thin Film Coating Technology with High Oxygen Blocking Ability by Wet Process
- Oxygen transfer rate (OTR, cc/m²∙day) ≤0.5 (purpose ≤0.5), Water Vapor Transmission Rate (WVTR, g/m²∙day) 3.0 (purpose ≤6.0), Transmittance(%) 91.48(purpose ≥90), Coating thickness(μm) 2.19 (purpose ≤3), Adhesion(%) 100 (purpose≥90), Food stability suitability (purpose =suitability), Film Width(mm) 520 (purpose ≥ 500)

ㅇ The second detailed Project : Development of Organic/Inorganic Hybrid Thin Film Coating Technology with High Oxygen Barrier Property by Wet/Dry Method
- Development of food packaging film with high oxygen barrier property of PP-based UNI material
- 8 patents, 5 SCI papers, 2 prototypes
- Formation Mechanism of a compositional gradient structure
• The depth profile of XPS, SIMS, plasma analysis of OES, and cross-section analysis using SEM were used to confirm that the compositional gradient structure was formed by the plasma treatment of the organic/inorganic hybrid layer coated withPP.
- Development of synthesis technique of organic/inorganic hybrid coating solution with high oxygen barrier property
• Design and synthesis of organic/inorganic hybrid coating solution using silicone-containing compound,
• Reduction of oxygen permeability due to the packing effect of metal oxide, improvement of gas barrier performance by synthesis of coating solution of thermal curable and UV curable type.
- Nanostructure control and gas barrier technology of graphene composite thin film
• Development of thin film nanostructure control and gas barrier technology by applying layer-by-layer assembly
- Research and optimization of large area wet coating process
• OTR(0.25cc/m²/day) of the gas barrier by mass synthesis/large area coating has the same OTR(0.25cc/m²/day) as that of small amount synthesis/small area coating
- Stability study of coating solution
• OTR of the gas barrier film prepared with the solution which has passed for about 120 days is maintained at the same performance( Coating after synthesis : 0.17cc/m²/day, Coating after 118 days : 0.19cc/m²/day).
- Development of semi roll-to-roll surface treatment equipment and Optimization of surface treatment process
• Development of the semi-R2R surface treatment equipment by converting the R2R sputtering equipment owned by KIST 2 times.
• Development of the gas barrier sheet with OTR(0.39cc/m²/day) and WVTR(0.96g/m²/day) through optimization of semi R2R process using large area wet coating film.
- Large Area Roll-to-Roll Surface Treatment Equipment
• A large-area R2R surface treatment equipment (film width 520mm, effective width 460mm) that can produce the compositional gradient gas barrier film is manufactured by i-Component.
• Manufacturing of equipment by combining the technology of the compositional gradient gas barrier film of KIST and R2R sputtering technology of i-component
- Study of roll-to-roll plasma surface treatment process and crack prevention
• Perform research on R2R process and crack prevention using lab scale R2R surface treatment equipment of KIST and pilot scale R2R surface treatment equipment of i-component
- Improvememt gas barrier property and crack prevention using undercoat and topcoat
• Prevention of cracks in R2R surface treatment process by introducing undercoat to the compositional gradient gas barrier. Improvement gas barrier property by adding topcoat to the gas barrier.
- Optimization of roll-to-roll plasma surface treatment process
• Optimize process conditions such as plasma power and process pressure
- Development of large-area gas barrier film by large-area roll-to-roll plasma surface treatment
• Fabrication of large area gas barrier film under the optimized process conditions(OTR < 0.5cc/m²/day, WVTR < 0.1g/m²/day, total transmittance 90.8%)
- Developmemt of prototype for food packaging by laminating of gas barrier film with CPP film
• Developmemt of prototype of food packaging film by laminating two films in I- component (OTR< 0.5cc/m²/day, WVTR < 0.1g/m²/day, total transmittance 91.2%)
- Development of multi-inorganic hybrid coating solution synthesis
• By introducing organically modified silicon alkoxide (ORMOSA), a dense organic-inorganic SiO₂/RSiO_3/2(R=methyl) hybrid coating was produced.
- Phase separation suppression control and phase stability improvement study and morphology study
• Improvement of stability by controlling process parameters such as composition and pH of graphene and silica content.
• Morphology studies using SEM, AFM, FT-IR

ㅇ The third detailed Project : Development of multi-layer film food packaging manufacturing technology based on polyolefin UNI-materials
- In case of producing film by one stage dispersing method in twin compounding facility(diameter 60mm, L/D 70, type F screw) of PP/nucleating agent/ nanoparticle composite[PP-#1/PP-#7(=5/5) blend 94.7wt%, Nu-#3/Nu-#5(5/5) blend 0.3wt%, nano-talc/HNT(7/3)blend 5wt%], an economical and high heat resistant PP film is obtained
- When the content of PR-#2 is 35wt%, it is possible to obtain a film manufacturing technology with less heat shrinkage damage and excellent impact resistance by using a PP/elastomer nano alloy (PP-#8/PR-#2 blend)
- By using PP/nucleating agent/nanoparticle composite[PP-#1/PP-#-7(=5/5) blend 94.7 wt%, Nu-#3/Nu-#5(5/5) blend 0.3wt%, nano-talc/HNT(7/3) blend 5wt%] as the outer layer raw material, using the PP/elastomer composite[PP-#8/PR-#2(=65/35) blend] as the intermediate layer raw material, PP blend[PP-#5(Tm 127℃, random PP)/PP-#6(Tm 131℃, block PP)(=60/40) blend] as the inner layer raw material, and by the coextrusion process, a manufacturing technique of PP multi-layer film having a desired high heat resistance and impact resistance has been secured.
- By using PP-#9 as the outer layer(thickness ratio 20%) raw material, using the PP-#9/TiO₂ MB(=84/16) blend as the intermediate layer(thickness ratio 60%) raw material, PP blend[PP-#5/PP-#6(=60/40) blend] as the inner layer(thickness ratio 20%) raw material, and by the coextrusion process, a manufacturing technique of high heat resistance and impact resistance PP multi-layer film with excellent hiding power and low fish-eye level has been secured.
- PP multi-layer film manufacturing technique is secured by dry lamination of barrier OPP film, transparent CPP multi-layer film or high heat-resistant/ impact-resistant CPP multi-layer film under urethane resin(K company) as binder and solvent ethanol
- Quantitative targets for the final year of OTR, WVTR, light transmittance, tensile strength, interlayer bond strength, thermal bonding strength, boilability, food safety, recyclability, etc. were achieved 100% based on the dry lamination multi-layer film(DLMPP-5C-C02) of the 2nd stage 2nd year 1st detailed secondary supply of barrier film sample for the packaging of ramen/snack and aseptic rice(BPPF-2-1-2, 30 μm) and the transparent CPP multi-layer film sample(MPP-5C-C01, 30μm).
- Quantitative targets for the final year of OTR, WVTR, light transmittance, tensile strength, interlayer bond strength, thermal bonding strength, retort property, food safety, recyclability, etc. were achieved 100% based on the dry lamination multi-layer film(DLMPP-5C-C03) of the 2nd stage 2nd year 1st detailed first supply of barrier film sample for the retort food packaging(BPPF-2-2-1, 30 μm) and the high heat resistance and impact resistance CPP multi-layer film sample(MPP-5C-C01, 70μm).
- A dry lamination multi-layer film pouch(DLMPP-5C-CO2) with a 2nd stage 2nd year 1st detailed secondary supply of barrier film sample(BPPF-2-1-2, 30 μm) and a transparent CPP multi-layer film sample(MPP-5C-C01, 30 μm) was prepared, as a result of the storage test at 20, 40, 60 ℃ and 40 ℃ × 80% RH to examine the suitability of ramen as a food packaging, the sensory and physicochemical quality maintenance effect of the developed packaging was recognized to be different from that of the conventional Al deposition ramen packaging, but the commercial application of the developed packaging based on the sensory characteristics results was considered to have a similar effect to the conventional Al deposition ramen packaging.
- Retortability and storability at 20, 40 and 60 ℃ after retorting for the dry lamination multi-layer film(DLMPP-5C-03) of the 2nd stage 2nd year 1st detailed first supply of barrier PP film(BPPF-2-2-1) and the high heat resistance and impact resistance CPP multi-layer film(MPP-5C-C03) pouches were compared with conventional Al deposiion retort pouches (PET + Al + PP packaging materials), the breakage rate of the retort product at 121 ℃ and 135 ℃, and its shelf life at 20, 40, 60℃ were similar to those of the conventional Al deposition retort pouches in all the physicochemical and sensorial characteristics, as a result, the developed package was regarded as asubstitute for Al deposition retort packaging.

ㅇ Overall Results
- Certified test results on performance of the compositional gradient gas barrier by large area wet coating and large area R2R surface treatment : OTR < 0.5cc/m²/day, WVTR < 0.1g/m²/day, total transmittance 90.8%
- Certified test results on performance of food packaging film laminated with the large-scale gas barrier film and CPP film : OTR < 0.5cc/m²/day, WVTR < 0.1g/m²/day, total transmittance 91.2%
- Quantitative targets for the final year of OTR, WVTR, light transmittance, tensile strength, interlayer bond strength, thermal bonding strength, boilability, food safety, recyclability, etc. were achieved 100% based on the dry lamination multi-layer film(DLMPP-5C-C02) of the 2nd stage 2nd year 1st detailed secondary supply of barrier film sample for the packaging of ramen/snack and aseptic rice(BPPF-2-1-2, 30 μm) and the transparent CPP multi-layer film sample(MPP-5C-C01, 30μm). As a result of the storage experiments to examine the suitability of ramen as a food packaging, the sensory and physicochemical quality maintenance effect of the developed packaging was recognized to be different from that of the conventional Al deposition ramen packaging, but the commercial application of the developed packaging based on the sensory characteristics results was considered to have a similar effect to the conventional Al deposition ramen packaging.
- Quantitative targets for the final year of OTR, WVTR, light transmittance, tensile strength, interlayer bond strength, thermal bonding strength, retort property, food safety, recyclability, etc. were achieved 100% based on the dry lamination multi-layer film(DLMPP-5C-C03) of the 2nd stage 2nd year 1st detailed first supply of barrier film sample for the retort food packaging(BPPF-2-2-1, 30 μm) and the high heat resistance and impact resistance CPP multi-layer film sample(MPP-5C-C01, 70μm).Retortability and storability for the dry lamination multi-layer film(DLMPP-5C-03) pouches were compared with conventional Al deposition retort pouches, the breakage rate of the retort product at 121 ℃ and 135 ℃, and its shelf life at 20, 40, 60℃ were similar to those of the conventional Al deposition retort pouches in all the physicochemical and sensorial characteristics, as a result, the developed package was regarded as a substitute for Al deposition retort packaging.

( 출처: SUMMARY 13p )

목차 Contents

• 표지 ... 1
• 제출문 ... 2
• 보고서 요약서 ... 5
• 요약문 ... 6
• SUMMARY ... 12
• CONTENTS ... 19
• 목차 ... 20
• 제 1 장 연구과제의 개요 ... 24
• 제 1 절 개발 대상 기술의 개요 ... 24
• 1. 개념 및 정의 ... 24
• 2. 기술개발의 필요성 ... 25
• 3. 연구목표 및 범위 ... 29
• 제 2 장 국내외 기술개발 현황 ... 30
• 제 1 절 국내외 기술 동향 ... 30
• 1. 국내 기술개발 동향 ... 30
• 2. 선진국의 기술개발 동향 ... 30
• 제 2 절 국내외 연구 동향 ... 31
• 1. 국내 논문게재 동향 ... 31
• 2. 해외 논문게재 동향 ... 32
• 제 3 절 국내외 특허 동향 ... 34
• 1. 국내 특허 동향 ... 34
• 2. 해외 특허 동향 ... 34
• 제 4 절 국내외 시장 동향 ... 36
• 1. 세계 시장 동향 ... 36
• 2. 국내 시장 동향 ... 36
• 제 3 장 연구수행 내용 및 결과 ... 38
• 제 1 절 습식법에 의한 고산소차단성 유무기 hybrid 박막코팅기술 개발 (1세부) ... 38
• 1. 연구개발 개요, 체계 및 역할 ... 38
• 2. 연구내용 및 결과 ... 39
• 제 2 절 습식/건식법 병행에 의한 고산소차단성 유무기 hybrid 박막 코팅기술 개발 (2세부) ... 184
• 1. 연구개발 개요, 체계 및 역할 ... 184
• 2. 연구내용 및 결과 ... 185
• 제 3 절 폴리올레핀계 UNI소재로 된 다층필름 식품포장재 제조기술 개발(3세부) ... 370
• 1. 연구개발 개요, 체계 및 역할 ... 370
• 2. 연구내용 및 결과 ... 371
• 제 4 절 폴리올레핀계 UNI소재로 된 다층필름에 대한 식품포장재로서의 안전성 평가 ... 544
• 1. 포장재의 유해물질 용출/분석평가 ... 544
• 2. 사람 유래 Primary 세포를 이용한 식품 포장재 함유가능성 유해물질의 독성 예측연구 ... 555
• 제 4 장 목표달성도 및 관련분야에의 기여도 ... 560
• 제 1 절 목표달성 ... 560
• 1. 연구개발목표의 달성도 ... 560
• 2. 목표달성도에 대한 자체평가 ... 567
• 3. 최종 개발포장재의 목표달성도 ... 568
• 제 2 절 관련분야의 기여도 ... 591
• 1. 기술적 성과 ... 591
• 2. 경제적 효과 ... 593
• 제 5 장 연구결과의 활용계획 ... 595
• 제 1 절 실용화 계획 ... 595
• 1. 실용화 추진전략 ... 595
• 제 2 절 사업화 계획 ... 596
• 1. 판매 전략 ... 596
• 2. 수요자 적용 시험 계획 ... 597
• 3. 내열/내충격성 CPP 다층필름 판매 실적 ... 598
• 4. 향후 판매(매출) 계획 ... 599
• 제 3 절 고용창출 계획 ... 600
• 제 6 장 연구과정에서 수집한 해외과학기술정보 ... 601
• 제 7 장 참고문헌 ... 603
• 부록. 연구성과 집계(최종보고서 부록) ... 608
• 가. 논문게재 성과 ... 608
• 나. 특허 성과 ... 616
• 다. 기술료 징수 현황 ... 618
• 라. 사업화 현황 ... 618
• 마. 인력활용/양성 성과 ... 618
• 바. 국제화/협력 성과 ... 619
• 사. 경제사회 파급효과 ... 620
• 아. 정책적 활용실적 및 성과 ... 620
• 자. 구매금액이 3천만원 이상인 기자재 구매현황(NTIS 등록 사항) ... 620
• 끝페이지 ... 621