편백나무 목분을 첨가한 합성목재 패널의 제조 및 특성 평가
Preparation and Characterizations of Wood Plastic Composite Panel Fabricated with Chamaecyparis obtusa Wood Flour
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초록
데크재, 산책로 등 옥외용도로 대부분 사용되고 있는 합성목재(Wood Plastic Compound;WPC)를 실내 용도의 건축용 내장재로 사용하기 위하여, 항균성, 총 휘발성 유기화합물 배출량(TVOC), 난연성 등이 개선된 WPC 패널을 제조하였다. 고밀도 폴리에틸렌(HDPE)과 편백나무 목분(Chamacyparis obtusa wood flour), 항균제 및 난연제 등의 첨가제를 혼합한 후 압출 성형하여 합성목재(Wood Plastic Composite) 컴파운드 펠렛을 제조하였다. 이 WPC 컴파운드 펠렛을 이축압출기를 사용하여 제조한 합성목재 패널(303mm×606mm×10mm)은 우수한 항균 및 항진균 특성을 나타냈다. 또한 패널의 총 휘발성 유기화합물 배출량(TVOC)은 0.062mg/m2·h였으며, KS F 2271의 난연성 2등급 표준을 달성하였다.
Abstract
Wood Plastic Composite(WPC) has been mostly used for outdoor purposes such as deck materials and trails so far. In this study, WPC panels with improved antibacterial properties, total volatile organic compound emissions (TVOC), and flame retardant were manufactured to use Wood Plastic Compound as interior materials for indoor use. WPC compound was prepared by mixing Chamaecyparis obtusa wood flour with high density polyethylene(HDPE). The prepared WPC compound exhibited excellent antibacterial and antifungal properties, and the total volatile organic compound emission(TVOC) was 0.062 mg/m2·h. The WPC panel(303mm×606mm×10mm) manufactured by a twin screw extruder with the manufactured compound achieved the flame retardant grade 2 standard of KS F 2271.
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