Lọc theo danh mục
  • Năm xuất bản
    Xem thêm
  • Lĩnh vực
liên kết website
Lượt truy cập
 Lượt truy cập :  21,150,132
  • Công bố khoa học và công nghệ Việt Nam

61.45

Kỹ thuật hóa học

Thái Hoàng(1), Vũ Mạnh Tuấn, Nguyễn Thị Thu Trang, Nguyễn Thúy Chinh

Tính chất của Copolyme trên cơ sở polylactic axit ghép Chitosan

Properties of copolymer based on chitosan grafted polylactic acid

Hóa học

2015

1

68-73

0866-7144

This study expresses the preparation and characterization of polylactic acid graft chitosan copolymer (PLA-g-CS) based on the copolymerization using the initiator and crosslink agent by fiee radical mechanism. The Fourier Infrared Spectra (FTIR) of PLA-g-CS copolymer shows that PLA and CS were successfully grafted. The thermal stability of PLA-g-CS copolymer is enhanced due to the formation of hyper-crosslinked structure during the copolymerization process. The output of copolymerization reaction was calculated according to the Thermo Gravimetric Analysis (TGA) method. The degradability of PLA-g-CS copolymer was also investigated by the weight loss of copolymers and the FESEM images of those samples that were immersed in solutions with different pH values.

TTKHCNQG, CVv 14