• Title/Summary/Keyword: Plastic packaging

Search Result 340, Processing Time 0.023 seconds

A Study on Manufacturing of Paper Plastics Based on Biomass and Their Applications (바이오매스 기반 종이 플라스틱의 제조 및 응용에 대한 고찰)

  • Yoon, KwangSik;Lee, Dong-Eun;Cho, Daemyeong
    • KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
    • /
    • v.26 no.1
    • /
    • pp.25-31
    • /
    • 2020

  • Recently, applications of biomass-based plastics have increased according to the eco-friendly policy of the reduction of carbon dioxide emissions in domestic and foreign government. In this study, a paper plastic composite was produced by compounding polypropylene and micronized paper powder that was prepared using dry pulverization technology. Subsequently, the specimen of paper plastic was verified with mechanical properties, formability and product safety test to confirm the suitable packaging materials for food packaging. Paper plastics showed slightly lower mechanical properties than currently commercialized PP composites. However, paper plastics are valuable materials as environmentally friendly carbon-reducing material because of high biocarbon content, light weight features and applicability of existing manufacturing machines or system.

  • https://doi.org/10.20909/kopast.2020.26.1.25 인용 PDF KSCI

Status and Trends of Packaging Industry in Korea (국내 패키징 산업 현황과 방향)

  • Kim, Jai-Neung;Lee, Youn-Suk;Lee, Soo-Keun
    • KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
    • /
    • v.11 no.1
    • /
    • pp.25-32
    • /
    • 2005

  • This study was conducted in 2005 to investigate the current status of total packaging industries in Korea. The trends in development of the packaging industry were observed and interpreted as several factors such as the number of packaging industries, the number of employee in packaging industries, size, employee salary, and locations of packaging industry. The number of companies showed the increase of 6.3% per year until 2002 compared to 2175 companies at packaging industry in 1991. Based on the data of the number of companies to produce packaging materials, the packaging companies for plastic, metal, and wood were rapidly increased up to over 9%, whereas the glass and paper companies were only increased in 2%. The number of paper, plastic, wood, and packaging machine companies located at Seoul in 2002 was showed the great reduction, except to glass company compared to the number of the packaging industries in 1993 according to location of the company. Value added per employee in total packaging material industries were showed about 53-thousand dollars in 2002. These values were showed about 64.5% for total manufacture industries and increased to 8.1% from 1991 to 2002.

  • PDF

The Applications of Antioxidant Impregnated Polymers to Food Packaging (식품포장의 항산화제 첨가 플라스틱의 용도)

  • Lee, Youn-Suk
    • KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
    • /
    • v.8 no.2
    • /
    • pp.49-59
    • /
    • 2002

  • The main function of plastic materials in food packaging is to preserve a food for safe transportation and storage. The interactions between food and plastic materials in food packaging have become increasingly important for food quality and safety because monomer, low molecular weight components, or additives of plastic packaging materials can migrate into a food. The use of antioxidants in plastic materials can help protect the degradation of film itself and retard the oxidation of a packaged food containing lipid, through the migration of antioxidant from the packaging to a product via an evaporation / sorption mechanism. Nowadays, antioxidant (BHT) impregnated plastic materials are used for commercial food packaging application with the intention of achieving an extended shelf life of food in USA. Alpha tocopherol, as one of the most important free radical scavengers, has been well known in biological systems. Moreover, the potential use of alpha tocopherol as an additive for polymers used in the packaging industry may offer the most positive perception from both consumers and manufacturers. Alpha tocopherol has been used as an antioxidant for polyolefin resins fabricated to both bottles and film and has applications in the food packaging industry as a replacement for BHT. Today, alpha tocopherol offers an attractive choice for use as an antioxidant in polymers. This paper provides an overview of antioxidant effectiveness and applications for its use by the food packaging industry based on the evaporation-sorption mechanism of a packaging model product, where quality is associated with lipid oxidation. Important analytical techniques for predicting antioxidant interaction between the package system and product are discussed.

  • PDF