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Một phương pháp thực tiễn để tái chế GTR trong chất thải-HDPE/ABS
Tóm tắt
Chất thải polyethylene mật độ cao (w-HDPE)/ acrylonitrile–butadiene–styrene (ABS)/ cao su lốp xe đã được trộn nóng bằng phương pháp cán hai cuộn. Các hỗn hợp ba thành phần w-HDPE/ABS/GTR đã cho thấy sự không tương thích trong phạm vi tỷ lệ thành phần mà nghiên cứu, điều này thể hiện qua các đặc tính cơ học suy giảm. Hai loại chất tương hợp chính đã được lựa chọn để cải thiện tính tương thích giữa các thành phần từ đó nâng cao các đặc tính cơ học, bao gồm một copolymer olefin-maleic anhydride tổng hợp do các tác giả thực hiện và một polypropylene (MA-g-PP) được gắn maleic anhydride thương mại. Để xác định các đặc tính kéo và va đập của các hỗn hợp, các thử nghiệm cơ học đã được thực hiện bên cạnh việc quan sát kính hiển vi điện tử quét (SEM), nhiễu xạ tia X và phổ hồng ngoại biến đổi Fourier. Kết quả thuận lợi nhất trong thực tiễn công nghiệp là chất phụ gia thử nghiệm cho phép áp dụng nồng độ GTR cao hơn, do đó tạo cơ hội tái chế tỷ lệ cao hơn của GTR.
Từ khóa
#tái chế #GTR #polyethylene mật độ cao #acrylonitrile-butadiene-styrene #tính tương thíchTài liệu tham khảo
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