Synthetic MCC-MMA graft copolymer under ultrasound-microwave collaborative irradiation

张广志

doi:10.3969/j.issn.0438-1157.2012.08.046

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Synthetic MCC-MMA graft copolymer under ultrasound-microwave collaborative irradiation

更新时间：2025-12-10

- Synthetic MCC-MMA graft copolymer under ultrasound-microwave collaborative irradiation
- CIESC Journal Issue 8, Pages: 2661-2666(2012)
- 作者机构：
  
  江南大学纺织服装学院生态纺织教育部重点实验室,江苏,无锡,214122
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2012.08.046
  CLC： Q352
- Online First：05 August 2012，
  
  Published：05 August 2012
- 稿件说明：
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张广志. Synthetic MCC-MMA graft copolymer under ultrasound-microwave collaborative irradiation[J]. CIESC Journal, 2012, (8): 2661-2666.
DOI：

张广志. Synthetic MCC-MMA graft copolymer under ultrasound-microwave collaborative irradiation[J]. CIESC Journal, 2012, (8): 2661-2666. DOI： 10.3969/j.issn.0438-1157.2012.08.046.

摘要

Abstract

Grafting of methyl methacrylate(MMA)onto microcrystalline cellulose(MCC)using ceric ammonium nitrate(CAN)as a redox initiator was carried out under ultrasound and microwave synergistic irradiation.The effects of varying monomer concentration，initiator，and reaction time of graft polymerization were studied by determining the grafting parameters，such as grafting percentage.The optimized reaction conditions which resulted in maximum graft ratio of 93% were monomer concentration of 3 ml·（g MCC）-1，initiator concentration of 0.25 mmol·（g MCC）-1 and exposure time of 9 min.The graft copolymers were characterized by Fourier transform infrared spectroscopy(FTIR)，X-ray diffraction(XRD)，thermo gravimetric analysis(TGA)，and differential scanning calorimeters(DSC)，which elucidated the structure changes in comparison with MCC.The crystallinity of the graft copolymers decreased in comparison with that of MCC，and TGA and DSC revealed that copolymer had more thermal stability.

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