Grafting modification and properties of polypropylene with pentaerythritol tetra-acrylate
β Scribed by Yaorong Wang; Qinglan Ni; Zhonghua Liu; Jiadong Zou; Xinsheng Zhu
- Publisher
- Springer
- Year
- 2011
- Tongue
- English
- Weight
- 312 KB
- Volume
- 18
- Category
- Article
- ISSN
- 1022-9760
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To explore the possibility of producing branched polypropylene (PP) by a reactive extrusion (REX) process, isotactic PP was reacted with a polyfunctional monomer, pentaerythritol triacrylate (PETA), in the presence of 2,5-dimethyl-2,5(t-butylperoxy) hexane peroxide (Lupersol 101). Experiments were c
The graft copolymerization of acrylic acid (AA) onto commercial acrylic fibers (PAN) has been studied using Azobis(isobutyro)nitrile (AIBN) as an initiator. AA grafting initiated by radicals formed from thermal decomposition of AIBN. In this study, the effects of monomer and initiator concentration,
Electrokinetic properties such as zeta potential (0, surface charge density (0) and surface conductivity (K,) of polypropylene fibers and those grafted with acrylic acid and methacrylic acid have been studied using the streaming potential method. At pH 7, the zeta potential of -58.5 mV for control f