Fabrication and characterization of soluble, high thermal, and hydrophobic polyimides based on 4-(3,5-dimethoxyphenyl)-2,6-bis(4-aminophenyl)pyridine

Huang Xiaohua; Chen Beicai; Liu Chanjuan; Zhou Huanfu; Wei Chun

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Fabrication and characterization of soluble, high thermal, and hydrophobic polyimides based on 4-(3,5-dimethoxyphenyl)-2,6-bis(4-aminophenyl)pyridine

机译：基于4-（3,5-二甲氧基苯基）-2,6-双（4-氨基苯基）吡啶的可溶性，高热和疏水性聚酰亚胺的制备和表征

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A novel aromatic diamine monomer, 4-(3,5-dimethoxyphenyl)-2,6-bis(4-aminophenyl)pyridine (DPAP) was successfully synthesized by 4-nitroacetophenone and 3,5-dimethoxybenzaldehyde as raw material. The structure of DPAP was confirmed by Fourier transform infrared, nuclear magnetic resonance, and mass analysis. A series of polyimides (PIs) were obtained by polycondensation with various dianhydrides via the conventional two-step method. These PIs showed good solubility in organic solvents. They also presented high thermal stability, the glass transition temperatures (T-g) of polymers were in the range of 325-388 degrees C, and the temperature at 10% weight loss was in the range of 531-572 degrees C. Furthermore, these polymers also exhibited outstanding hydrophobicity with the contact angles in the range of 89.1 degrees-93.5 degrees. Moreover, the results of wide-angle X-ray diffraction (WAXD) confirmed these polymers showed amorphous structure. (c) 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45827.

机译：通过4-硝基乙酮和3,5-二甲氧基苯甲醛作为原料，成功合成了一种新型芳族二胺单体，4-（3,5-二甲氧基苯基）-2,6-双（4-氨基苯基）吡啶（DPAP）。通过傅里叶变换红外，核磁共振和质量分析来确认DPAP的结构。通过常规的两步法通过缩聚通过缩聚来获得一系列聚酰亚胺（PIS）。这些PIS在有机溶剂中显示出良好的溶解度。它们还呈现出高热稳定性，聚合物的玻璃化转变温度（Tg）在325-388℃的范围内，10％重量损失的温度在531-572℃的范围内。此外，这些聚合物还具有89.1度-93.5度范围内的接触角的出色疏水性。此外，广角X射线衍射（WAXD）的结果证实这些聚合物显示出非晶结构。（c）2017 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2018,135,45827。

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《Journal of Applied Polymer Science》 |2018年第6期|共6页
作者
Huang Xiaohua; Chen Beicai; Liu Chanjuan; Zhou Huanfu; Wei Chun;
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作者单位

Guilin Univ Technol Key Lab New Proc Technol Nonferrous Met &

Mat Collaborat Innovat Ctr Explorat Hidden Nonferrous Minist Educ Sch Mat Sci &

Engn Guilin 541004 Peoples R China;

Guilin Univ Technol Key Lab New Proc Technol Nonferrous Met &

Mat Collaborat Innovat Ctr Explorat Hidden Nonferrous Minist Educ Sch Mat Sci &

Engn Guilin 541004 Peoples R China;

Guilin Univ Technol Key Lab New Proc Technol Nonferrous Met &

Mat Collaborat Innovat Ctr Explorat Hidden Nonferrous Minist Educ Sch Mat Sci &

Engn Guilin 541004 Peoples R China;

Guilin Univ Technol Key Lab New Proc Technol Nonferrous Met &

Mat Collaborat Innovat Ctr Explorat Hidden Nonferrous Minist Educ Sch Mat Sci &

Engn Guilin 541004 Peoples R China;

Guilin Univ Technol Key Lab New Proc Technol Nonferrous Met &

Mat Collaborat Innovat Ctr Explorat Hidden Nonferrous Minist Educ Sch Mat Sci &

Engn Guilin 541004 Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类高分子化合物工业（高聚物工业）;
关键词
films; polycondensation; polyimides; thermal properties;

机译：薄膜;缩聚;聚酰亚胺;热性质;

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1. Fabrication and characterization of soluble, high thermal, and hydrophobic polyimides based on 4-(3,5-dimethoxyphenyl)-2,6-bis(4-aminophenyl)pyridine [J] . Huang Xiaohua, Chen Beicai, Liu Chanjuan, Journal of Applied Polymer Science . 2018,第5a6期

机译：基于4-（3,5-二甲氧基苯基）-2,6-双（4-氨基苯基）吡啶的可溶性，高热和疏水性聚酰亚胺的制备和表征
2. Synthesis and characterization of novel fluorinated pyridine-based polyimides derived from 4-(4-trifluoromethylphenyl)-2,6-bis(4-aminophenyl)pyridine and dianhydrides [J] . Huang Shui-Xiu, Liu Xiao-Ling, Wei Mei-Hong, High performance polymers . 2018,第4期

机译：衍生自4-（4-三氟甲基苯基）-2,6-双（4-氨基苯基）吡啶和二酐的新型氟化吡啶基聚酰亚胺的合成与表征
3. Thermal, soluble, and hydrophobic properties of polyimides derived from 4-(4-diethylamino)phenyl-2,6-bis(4-(4-aminophenoxy)phenyl)pyridine [J] . Liu Chanjuan, Li Hua, Mei Mei, Journal of Polymer Research . 2019,第4期

机译：衍生自4-（4-二乙基氨基）苯基-2,6-双（4-（4-氨基氧基）苯基）吡啶的聚酰亚胺的热，可溶性和疏水性质
4. Preparation and Characterization of a 2,6-bis(5,6-diisobutyl-1,2,4-triazin-3-yl)pyridine Coated Extraction Resin for Actinide/Lanthanide Separations [C] . Christopher Klug, Ralf Sudowe American Nuclear Society Radiation Protection and Shielding Division 2010 topical meeting : Book of abstracts . 2010

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5. Structural, thermal, and rheological characterization of bisphenol A-based cyanate ester resin systems. [D] . Owusu, Akyempem Osei. 1992

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6. Synthesis and Characterization of Organosoluble Thermal Stable and Hydrophobic Polyimides Derived from 4-(4-(1-Pyrrolidinyl)phenyl)-26-bis(4-(4-aminophenoxy)phenyl)pyridine [O] . Xiaohua Huang, Beicai Chen, Mei Mei, 2017

机译：4-（4-（1-吡咯烷基）苯基）-26-双（4-（4-氨基苯氧基）苯基）吡啶衍生的有机可溶性热稳定和疏水性聚酰亚胺的合成和表征
7. Synthesis and Characterization of Organosoluble, Thermal Stable and Hydrophobic Polyimides Derived from 4-(4-(1-pyrrolidinyl)phenyl)-2,6-bis(4-(4-aminophenoxy)phenyl)pyridine [O] . Xiaohua Huang, Beicai Chen, Mei Mei, 2017

机译：由4-（4-（1-吡咯烷基）苯基）-2,6-双（4-（4-氨基苯氧基）苯基）吡啶衍生的有机，热稳定和疏水性聚酰亚胺的合成和表征
8. Synthesis, Characterization, and Solubility Behavior of Polysiloxanes with 4-(Dialkylamino)Pyridine Functions [R] . Rubinsztajn, S., Zeldin, M., Fife, W. K. 1991

机译：具有4-（二烷基氨基）吡啶官能团的聚硅氧烷的合成，表征和溶解行为

Fabrication and characterization of soluble, high thermal, and hydrophobic polyimides based on 4-(3,5-dimethoxyphenyl)-2,6-bis(4-aminophenyl)pyridine

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