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Technical Trends in the Patents and Papers for the Recycling of Organic Residues from Waste Printed Circuit Boards

특허(特許)와 논문(論文)으로 본 폐(廢)PCB 유기계(有機界) 잔유물(殘留物) 재활용(再活用) 기술(技術) 동향(動向)

  • Lee, Dai-Soo (Division of Semiconductors and Chemical Engineering, Chonbuk National University) ;
  • Shin, Sera (Division of Semiconductors and Chemical Engineering, Chonbuk National University) ;
  • Cho, Young-Ju (Korea Institute of Geoscience and Mineral Resources) ;
  • Cho, Bong-Gyoo (Korea Institute of Geoscience and Mineral Resources)
  • 이대수 (전북대학교 반도체.화학공학부) ;
  • 신세라 (전북대학교 반도체.화학공학부) ;
  • 조영주 (한국지질자원연구원) ;
  • 조봉규 (한국지질자원연구원)
  • Received : 2013.01.16
  • Accepted : 2013.02.28
  • Published : 2013.04.30

Abstract

Electronic products such as appliances, computers, and cellular phones have printed circuit boards (PCBs) in common and the PCBs in the waste electronic products contain valuable metals and organic resins. In Korea, recovery and recycling of the organic resins as well as the valuable metallics from the wastes are required indeed as the most of resources are being imported from abroad. In this article, the patents and papers for the recycling of organic residues from the waste PCBs were collected and analyzed. The open patents of USA (US), European Union (EP), Japan (JP), and Korea (KR) and SCI journals from 1979 to 2012 were investigated. The patents and journals were collected using key-words and filtered by the definition of the technology. The patents and journals were analyzed by the years, countries, companies, and technologies and the technical trends were discussed in this paper. It is showed sluggish relatively activity of published papers and patent applications for polymer manufacturing technology in local and abroad.

오늘날 반도체를 이용하는 가전제품, 컴퓨터, 휴대전화 등 전자 제품들은 모두 인쇄회로기판을 내장하고 있는 공통점을 가지며, 폐전자제품의 PCB는 유용한 금속 성분과 유기계 수지를 포함하고 있는 상태이다. 한국은 대부분의 자원을 외국에서 수입하므로 폐자원으로부터 유가금속은 물론 유기물을 회수하여 재자원화 할 필요가 있다. 본 연구에서는 폐PCB 유기계 잔류물 재활용 기술에 대한 특허와 논문을 분석하였다. 분석범위는 1979년~2012년까지의 미국, 유럽연합, 일본, 한국의 등록/공개된 특허와 SCI 논문으로 제한하였다. 특허와 논문은 키워드를 사용하여 수집하였으며, 기술의 정의에 의해 필터링 하였다. 특허와 논문의 동향은 연도, 국가, 기업, 기술 등에 따라 분석하여 고찰하였다. 이에 국내외에서 상대적으로 중합체 제조 기술의 특허출원 및 논문게재 활동이 부진한 것으로 나타났다.

Keywords

Acknowledgement

Supported by : 환경부

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