Chain Extension of Poly(ethylene terephthalate) with Bisphenol-A Dicyanate

被引：22
|
作者：
Zhang, Yanjun [1 ]
Zhang, Chen [1 ]
Li, Hangquan [1 ]
Du, Zhongjie [1 ]
Li, Congju [2 ]
机构：
[1] Beijing Univ Chem Technol, Key Lab Beijing City Preparat & Proc Novel Polyme, Beijing 100029, Peoples R China
[2] Beijing Inst Fash Technol, Beijing Key Lab Clothing Mat R&D Assessment, Beijing 100029, Peoples R China
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2010年 / 117卷 / 04期
关键词：
poly(ethylene terephthalate) (PET); bisphenol-A dicyanate (BADCy); chain extension; RECYCLED POLY(ETHYLENE-TEREPHTHALATE); POLYETHYLENE TEREPHTHALATE; STRUCTURAL CHARACTERISTICS; DEGRADATION; PET;
D O I：
10.1002/app.32136
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Chain extension of poly(ethylene terephthalate) (PET) with bisphenol-A dicyanate (BADCy) was studied using an internal mixer under reactive blending conditions. The reaction between PET and BADCy was confirmed by Fourier transform infrared (FUR) and chemical titration. With increasing amount of BADCy introduced, the modified PET gave rise to higher torque during stirred in an internal mixer, higher viscosity (eta'), and higher storage modulus (G'). Measurement of intrinsic viscosity showed that BADCy indeed extended the molecular weight of PET. DSC analysis represented that T, and T, of the modified PET were shifted to low temperatures. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 117: 2003-2008, 2010
引用
收藏
页码：2003 / 2008
页数：6
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