Growth of CaCO<sub>3</sub> crystal on polyethylene film grafted with 2-hydroxypropyl acrylate by γ-rays

ZHANG Fengying; HOU Zhengchi; YU Ming; XIE Leidong; LI Jing

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Growth of CaCO₃ crystal on polyethylene film grafted with 2-hydroxypropyl acrylate by γ-rays

更新时间：2023-03-30

- Growth of CaCO₃ crystal on polyethylene film grafted with 2-hydroxypropyl acrylate by γ-rays
- Journal of Radiation Research and Radiation Processing Vol. 22, Issue 3, Pages: 139-142(2004)
- 作者机构：
  
  1.中国科学院上海应用物理研究所　上海　201800
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ZHANG Fengying, HOU Zhengchi, YU Ming, et al. Growth of CaCO₃ crystal on polyethylene film grafted with 2-hydroxypropyl acrylate by γ-rays. [J]. Journal of Radiation Research and Radiation Processing 22(3):139-142(2004)
DOI：

ZHANG Fengying, HOU Zhengchi, YU Ming, et al. Growth of CaCO₃ crystal on polyethylene film grafted with 2-hydroxypropyl acrylate by γ-rays. [J]. Journal of Radiation Research and Radiation Processing 22(3):139-142(2004) DOI：

摘要

采用了γ射线辐射接枝丙烯酸羟丙酯的聚乙烯薄膜作为模板，实现了在过饱和碳酸氢钙溶液中诱导碳酸钙晶体的异相成核和生长；对形成的碳酸钙晶体用扫描电子显微镜（SEM），傅立叶变换－红外光谱（FT−IR）和X−射线衍射（XRD）进行了分析，发现生成碳酸钙晶体的晶型为方解石型。研究结果表明，除高分子薄膜的表面结构、晶体培养液选用的添加剂等影响因素之外，适当温度的波动也是导致碳酸钙晶体异相成核的关键因素。

Abstract

PE films were grafted with 2-hydroxypropyl acrylate by γ−rays, and were placed in supersaturated calcium bicarbonate solution added with PAA. Biomimetic heterogeneous nucleation and growth of calcium carbonate crystals was observed on the PE film template under room temperatures . The samples were characterized by FT−IR, SEM and XRD. The obtained crystals proved to be calcite. The results indicate that in addition to polymer surface structure and proper additives, temperature variation is another key factor for heterogeneous nucleation and growth of calcium carbonate crystals.

关键词

γ射线辐照异相成核无机晶体生物矿化聚合物

Keywords

γ−radiationHeterogeneousOrganic crystalBiomineralizationComposite

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Growth of CaCO3 crystal on polyethylene film grafted with 2-hydroxypropyl acrylate by γ-rays

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摘要

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Growth of CaCO₃ crystal on polyethylene film grafted with 2-hydroxypropyl acrylate by γ-rays