کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5191868 1381242 2005 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Heterogeneous networks of polyisoprene/polyvinylethylene
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آلی
پیش نمایش صفحه اول مقاله
Heterogeneous networks of polyisoprene/polyvinylethylene
چکیده انگلیسی

High cis, 1,4-polyisoprene (PI) and polyvinylethylene (PVE) form a miscible blend, having a lower critical solution temperature (LCST). Networks of this blend were prepared by crosslinking with organic peroxide or by sulfur vulcanization. The very different reactivity of the two polymers leads to a disparity in the crosslinking, especially for sulfur curing-networks of PI can be formed without substantial reaction of the PVE. When the sulfur vulcanization is carried out at ca. 130 °C or higher (above the LCST), the polymers phase separate, yielding a PI network with PVE domains. Curing at lower temperatures maintains the miscible morphology, and a homogeneous blend network is obtained.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Polymer - Volume 46, Issue 12, 26 May 2005, Pages 4160-4165
نویسندگان
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