Preparation of Resposive Poymer Surfaces to Environmental Changes

环境变化响应性聚合物表面的制备

• 批准号: 09650993
• 负责人: INAGAKI Norihiro
• 金额: $ 2.11万
• 依托单位: Shizuoka University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 1997
• 资助国家: 日本
• 起止时间: 1997 至 1998
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-09650993/
• 关键词: polymer surface; graft copolymerization; poly (tetrafluoroethylene); hydrophilic; XPS; sodium vinylsulfonate; glycidyl methacrylate; poly (p-phenylene terephthalamide); ホリマー表面; ポリテトラフルオロエチレン; テフロン; ビニルスルフォン酸

Poly(tetrafluoroethylene) (PTFE) and poly(p-phenylene terephthalamide) (PPTA) were modified by graft copolymerization using sodium vinylsulfonate (SVS) and glycidyl methacrylate (GMA) as monomers to form responsive surface to environmental changes. Peroxides were formed on PTFE and PPTA surfaces by argon plasma exposure, and the graft copolymerization of SVS or GMA was carried out from the peroxides on the PTFE and PPTA surfaces. The chemical composition of the grafted PTFE and PPTA surfaces was analyzed with XPS.The coverage with the SVS graft polymers on the PTFE surface was estimated to be 43 % from the XPS spectra, and the coverage with the GMA graft polymers on the PPTA surface was 31 - 49 %. The grafted PTFE surface was somewhat hydrophilic, but the hydrophilicity was lower than the plasma-treated PTFE.The contact angle of water against the grafted PTFE decreased from 111 degrees to 84 degrees. The low hydrophilicity of the grafted PTFE surface may be due to incomplete coverage with the SVS graft polymers. The graft copolymerization with GMA improved adhesion between PPTA and epoxy adhesive. The 90 peel strength was increased 2.7 times by the graft polymerization. The failure from the PPTA/epoxy adhesive joints occurred in the epoxy adhesive layer rather than at the interface between the PPTA and the epoxy adhesive layer.

以乙烯基磺酸钠（SVS）和甲基丙烯酸缩水甘油酯（GMA）为单体，对聚四氟乙烯（PTFE）和聚对苯对苯二甲酸（PPTA）进行接枝共聚改性，形成对环境变化响应的表面。通过氩等离子体暴露在PTFE和PPTA表面形成过氧化物，并将PTFE和PPTA表面的过氧化物接枝共聚成SVS或GMA。用XPS分析了接枝PTFE和PPTA表面的化学成分。从XPS光谱估计，SVS接枝聚合物在PTFE表面的覆盖率为43%，GMA接枝聚合物在PPTA表面的覆盖率为31 - 49%。接枝后的PTFE表面具有一定的亲水性，但亲水性低于等离子体处理后的PTFE。水与接枝聚四氟乙烯的接触角由111度减小到84度。接枝聚四氟乙烯表面的低亲水性可能是由于SVS接枝聚合物的不完全覆盖。GMA的接枝共聚改善了PPTA与环氧胶粘剂之间的粘附性。接枝聚合使90剥离强度提高2.7倍。PPTA/环氧胶粘剂接头的破坏发生在环氧胶粘剂层而不是PPTA与环氧胶粘剂层之间的界面。

项目成果

N.Inagaki, S.Tasaka, and T.Inoue: "Surface modification of aromatic polyamide film by plasma graft copolymerization of glycidylmethacrylate for epoxy adhesion" Journal of Applied Polymer Science. 69. 1179-1185 (1998)

N.Inagaki、S.Tasaka 和 T.Inoue：“通过甲基丙烯酸缩水甘油酯等离子体接枝共聚对芳香族聚酰胺薄膜进行表面改性以实现环氧粘合”《应用聚合物科学杂志》。

N.Inagaki, S.Tasaka, and Y.Goto: "Surface modification of poly (tetrafluoroethylene) film by plasma graft polymerization of sodium vinyl-sulfonate" Journal of Applied Polymer Science. vol.66. 77-84 (1997)

N.Inagaki、S.Tasaka 和 Y.Goto：“通过乙烯基磺酸钠的等离子体接枝聚合对聚（四氟乙烯）薄膜进行表面改性”《应用聚合物科学杂志》。

N.Inagaki, S.Tasaka, and T.Inoue: "Surface modification of aromatic polyamide film by plasma graftcopolymerization of glycidyl metha-crylate for epoxy adhesion" Journal of Applied Polymer Science. vol.69. 1179-1185 (1998)

N.Inagaki、S.Tasaka 和 T.Inoue：“通过甲基丙烯酸缩水甘油酯等离子体接枝共聚对芳香族聚酰胺薄膜进行表面改性以实现环氧粘合”《应用聚合物科学》杂志。

稲垣訓宏: "リモートプラズマ処理によるポリマーの表面改質" 日本接着学会誌. 34. 73-77 (1998)

Norihiro Inagaki：“通过远程等离子体处理对聚合物进行表面改性”日本粘合协会杂志 34. 73-77 (1998)。

N.Inagaki: "Surface Modification by Plasma Treatment" Jpn.Journal of Tribology. 41. 1215-1224 (1996)

N.Inagaki：“等离子处理的表面改性”Jpn.摩擦学杂志。