DEVELOPMENT OF ON-LINE NEAR-INFRARED SPECTROSCOPY SENSOR FOR POLYMER PROCESSINGS

用于聚合物加工的在线近红外光谱传感器的开发

• 批准号: 12555214
• 负责人: OHSHIMA Masahiro
• 金额: $ 8.45万
• 依托单位: KYOTO UNIVERSITY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 2000
• 资助国家: 日本
• 起止时间: 2000 至 2002
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-12555214/
• 关键词: NIR spectroscopy; On-line sensing; Polymer Processing; Diffusion Coefficients; Foaming Agent; Foaming Extruder; Injection Molders; Surface coaling; 近赤外分光; 発砲射出成形; 二酸化炭素; 近赤外分光法; 濃度センサー; 射出成形機; 気泡成長; プラスチック; 超臨界流体

The near infrared (NIR) spectroscopy sensor was developed for polymer processing uses, especially, polymer foaming with supercritical CO_2. The sensor can monitor foaming agents dissolved in the molten polymers such as CO_2 and butane concentrations as well as alcohol. It can also measure the diffusion process of low molecular components and CO_2 in molten polymer.By installing the developed NIR sensor at the foaming extruder, where physical foaming agents are introduced to make polymeric foams, concentration of foaming agents dissolved into the molten polymer could be measured on-line from the NIR spectra. The sensor is also extended to use for the foaming injection molders, where the CO_2 could be introduced to both cylinder and cavity in the molder. The new surface coating techniques was newly invented using the injection molder.

近红外（NIR）光谱传感器是为聚合物加工用途而开发的，特别是超临界CO_2聚合物发泡。该传感器可以监测溶解在熔融聚合物中的发泡剂，例如CO_2和丁烷浓度以及酒精。它还可以测量熔融聚合物中低分子组分和CO_2的扩散过程。通过在发泡挤出机上安装开发的近红外传感器，在发泡挤出机中引入物理发泡剂来制造聚合物泡沫，可以从近红外光谱在线测量溶解到熔融聚合物中的发泡剂的浓度。该传感器还扩展到用于发泡注射成型机，其中CO_2可以被引入到成型机的气缸和型腔中。新的表面涂层技术是使用注塑机新发明的。

项目成果

T.Nagata, M.Tanigaki, M.Ohshima: "In-line NIR sensing of CO_2 concentration in polymeric foaming extrusion process"Journal of Cellular Plastics. 38・1. 11-30 (2002)

T.Nagata、M.Tanigaki、M.Ohshima：“聚合物发泡挤出过程中 CO_2 浓度的在线 NIR 传感”《多孔塑料杂志》38・1（2002 年）。

Nagata, T, M. Tanigaki, M. Ohshima: "In-Line NIR Sensing of CO_2 Concentration for Polymer Foaming Extrusion Processes"Journal of Cellular Plastics. vol.38, No.1. 11-30 (2002)

Nagata, T, M. Tanigaki, M. Ohshima：“聚合物发泡挤出过程中 CO_2 浓度的在线 NIR 传感”《多孔塑料杂志》。

M.Ohshima: "Polymeric foaming in the 21^<st> century"Proc. of Thai-Japan Polymer Processing Workshop. 36-44 (2001)

M.Ohshima：“21世纪的聚合物发泡”Proc。

M, Ohshima: "Polymer foaming in the 21^<st> century"Proc. of Thai-Japan Polymer Processing Workshop. (2002)

M，Ohshima：“21世纪的聚合物发泡”Proc。

永田武史, S.Areerat, 大嶋正裕, 谷垣昌敬: "CO_2の溶解に伴うポリプロピレンの粘度低下の測定およびその予測"化学工学論文集. 28. 739-745 (2002)

Takeshi Nagata、S.Areerat、Masahiro Oshima、Masayoshi Tanigaki：“由于 CO_2 溶解而导致的聚丙烯粘度降低的测量和预测”化学工程杂志 28. 739-745 (2002)。