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Blends of natural rubber latex and methyl methacrylate‐grafted rubber latex
Author(s) -
Lu Guang,
Li ZhiFeng,
Li SiDong,
Xie Jian
Publication year - 2002
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.10718
Subject(s) - natural rubber , tear resistance , materials science , ultimate tensile strength , shore durometer , methyl methacrylate , composite material , polymer chemistry , vulcanization , izod impact strength test , polymer , copolymer
By mixing natural rubber latex uniformly with methyl methacrylate‐grafted natural rubber latex and then carrying out prevulcanization, we obtained blends with stable viscosities. Under certain blending ratios, the blends maintained good basic properties, and the heat stability time ( T HS ) of the blend increased with the increment of percent content of MG49 latex ( C ). The relationship between T HS and C was T HS = 0.36 C + 33.0, whereas, the mechanical stability time ( T MS ) was slightly decreased, and the relationship between T MS and C was T MS = −1.33 C + 772.0; The modulus, antiaging properties, and tear strength of the films of the blends increased with the increment of C ; the tensile strengths fluctuated on a small scope; the Shore A hardness ( H ) and breaking set ( B S ) both increased with the increment of C ; their relationships were H = 0.66 C + 40.0 and B S = 0.46 C + 8.0, respectively. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 85: 1736–1741, 2002

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