Nondestructive rapid and quantitative analysis for the curing process of silicone resin by near-infrared spectra

被引：0

作者：

Yang, Jian ^{[1
]}

Zhang, Tong ^{[1
]}

Yin, Yue ^{[1
]}

Jiang, Wenhong ^{[1
]}

Du, Yunzhe ^{[1
]}

Zhu, Xiaofei ^{[2
]}

Jiang, Bo ^{[1
]}

Huang, Yudong ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Chem & Chem Engn, MIIT Key Lab Crit Mat Technol New Energy Convers, Harbin, Peoples R China

[2] Shanghai Aerosp Chem Engn Inst, Huzhou, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2020年 / 137卷 / 34期

基金：

中国国家自然科学基金;

关键词：

cross-linking; resins; spectroscopy; EPOXY-RESIN; SPECTROSCOPY; COMPOSITES; KINETICS; POLYSILOXANE; PERFORMANCE; CONVERSION; EVOLUTION; MODULUS; MODEL;

D O I：

10.1002/app.48982

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Reactive group content was a key parameter in polymer curing process. However, the conventional methods to measure the curing were destructive and time consuming. In this article, near-infrared spectra technology had been applied for reactive group analysis of the photothermal curing silicone to achieve rapid nondestructive and quantitative detection. The calibration model was developed about epoxy value and C(sic)C double bond value, with determination coefficient (R-2) of 0.9631 and 0.9689. Root mean square error of prediction were 0.0179 and 0.0143 by partial least square regression. The optimized calibration model was used to predict the content of epoxy value and C(sic)C double bond value in the photothermal curing process, it proved that the silicone resin cured under UV-radiation and heat. This novel method provided a promising approach to analysis the curing mechanism and quality parameters of resin.

引用

页数：8

共 35 条

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