Polyethylen terephthalat

PET polymer chain
Danh pháp IUPACPoly(ethyl benzene-1,4-dicarboxylate)
Nhận dạng
Viết tắtPET, PETE
Số CAS25038-59-9
Thuộc tính
Công thức phân tử(C10H8O4)n[1]
Khối lượng molkhông xác định
Khối lượng riêng1.38 g/cm³ (20 °C),[2] chất rắn vô định hình: 1.370 g/cm³,[1] tinh thể đơn: 1.455 g/cm³[1]
Điểm nóng chảy> 250 °C (523 K; 482 °F)[2] 260 °C[1]
Điểm sôi> 350 °C (623 K; 662 °F) (phân hủy)
Độ hòa tan trong nướckhông tan[2]
log P0.94540[3]
Độ dẫn nhiệt0.15[4] to 0.24 W m−1 K−1[1]
Chiết suất (nD)1.57–1.58,[4] 1.5750[1]
Các nguy hiểm
Nhiệt hóa học
Nhiệt dung1.0 kJ/(kg·K)[1]
Các hợp chất liên quan
Nhóm chức liên quanaxit terephtalic
Etylen glycol
Trừ khi có ghi chú khác, dữ liệu được cung cấp cho các vật liệu trong trạng thái tiêu chuẩn của chúng (ở 25 °C [77 °F], 100 kPa).
KhôngN kiểm chứng (cái gì ☑YKhôngN ?)

Polyetylen terephtalat (có thể viết là poly(etylen terephtalat)), viết tắt là PET, PETE hay PETP, PET-P, là loại nhựa polyme nhiệt nhôm phổ biến nhất của polyeste và được sử dụng trong sợi may quần áo, hộp đựng chất lỏng và thực phẩm, khuôn đúc nhựa và kết hợp với sợi thủy tinh sản xuất nhựa kỹ thuật.

PET có tên thương hiệu là Terylene ở Anh[5], Lavsan ở Nga và Liên Xô cũ, và Dacron ở Mỹ.

PET được hình thành từ phản ứng trùng hợp giữa các monome etylen terephtalat với công thức (C10H8O4). PET thường được tái chế và có mã nhận dạng nhựa (RIC) là 1.

Tham khảo

  1. ^ a b c d e f g van der Vegt, A. K.; Govaert, L. E. (2005). Polymeren, van keten tot kunstof. VSSD. ISBN 9071301486.
  2. ^ a b c Thông tin từ Polyethylenterephthalat trong GESTIS-Stoffdatenbank của IFA
  3. ^ “poly(ethylene terephthalate) macromolecule_msds”.
  4. ^ a b Speight, J. G.; Lange, Norbert Adolph (2005). McGraw-Hill (biên tập). Lange's Handbook of Chemistry (ấn bản thứ 16). tr. 2807–2758. ISBN 0-07-143220-5.
  5. ^ The name Terylene was formed by inversion of (polyeth)ylene ter(ephthalate) and dates to the 1940s. Oxford Dictionary Lưu trữ 2014-03-31 tại Wayback Machine. Terylene was first registered as a UK trademark in April 1946.[cần dẫn nguồn] UK Intellectual Property Office Bản mẫu:UK trademark

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