Effect of novel UV-curing approach on thermo-mechanical properties of colored epoxy composites in outsized dimensions

被引：11
|
作者：
Atif, Muhammad [1 ,2 ]
Yang, Jinliang [3 ]
Yang, Haitao [3 ]
Jun, Nie [3 ]
Bongiovanni, Roberta [1 ]
机构：
[1] Politecn Torino, Dept Appl Sci & Technol, Turin, Italy
[2] Univ Educ Lahore, Dept Chem, Vehari 61100, Punjab, Pakistan
[3] Beijing Univ Chem Technol, Coll Mat Sci & Engn, Beijing, Peoples R China
来源：
JOURNAL OF COMPOSITE MATERIALS | 2016年 / 50卷 / 22期
关键词：
UV-cured composites; colored epoxy composites; thick films; polymer composites; THICK POLYMER SYSTEMS; REINFORCED COMPOSITES; SILICA; PHOTOPOLYMERIZATION; EPOXIDES;
D O I：
10.1177/0021998315616174
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
In couple of years, epoxy UV curing has emerged as a necessity, yet it has some limitations, e.g. little curing conversion of thick films, especially with colored additives. Thick dimensions do not allow radiation to penetrate into the sample. Moreover, colored additives cover photoinitiators and reduce their efficiency. Therefore, UV-cured epoxy composites survive only in thin layers. Current research has resolved the issue, through a unique smart approach, which resolves the problem by separating the initiation step of the reaction (which is true photo-induced reaction) from the propagation (which is not directly dependent on light). This approach completely photo-cures epoxy thick films with colored additives. Superb filler dispersion has been observed, along with strongly interconnected polymeric network. Augmentation in thermo-mechanical properties has been observed through different instrumental techniques.
引用
收藏
页码：3147 / 3156
页数：10
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