ICCAS OpenIR
Novel microencapsulated curing accelerator for prolonging shelf life of epoxy resin composition
Cao, M; Xie, P; Jin, Z; Zhang, Y; Zhang, RB; Chung, TS; He, CB
2002-07-25
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Volume85Issue:4Pages:873-878
AbstractA novel micron-sized microencapsulated curing accelerator, imidazole (Im), particles, was first prepared by an ultrasound-assisted dispersing and spray-drying method and can significantly prolong the shelf life of epoxy resin-based microelectronic packaging material. The shell of the encapsulated particles was made from ladderlike copoly(phenyloctyl silsesquioxane) (Ph-Oct-T), which was synthesized by a ''stepwise coupling polymerization'' method. Its softening or flowing temperature can be adjusted by changing the composition. Carbon tetrachloride (CCl4) was chosen as both a solvent of the capsular material Ph-Oct-T and a suspending/precipitating agent of the fine Im particles. Subsequently, the solution containing Ph-Oct-T and suspended Im particles was treated by a spray-drying process to produce the micro encapsulated curing accelerator, Im particles, whose size and appearance was observed by scanning electronic microscopy (SEM). A greatly improved shelf life of the epoxy resin composition containing this microencapsulated curing accelerator was exhibited by curing tests and DSC measurements. (C) 2002 Wiley Periodicals, Inc.
KeywordMicroencapsulated Epoxy-curing Accelerator Imidazole Shelf Life Ladderlike Copolysiloxane Curing Of Polymers Polysiloxanes
DOI10.1002/app.10699
Indexed BySCI
Language英语
WOS IDWOS:000175795800020
PublisherJOHN WILEY & SONS INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/78746
Collection中国科学院化学研究所
Corresponding AuthorZhang, RB
Affiliation1.Chinese Acad Sci, PCLCC, Ctr Mol Sci, Inst Chem, Beijing 100080, Peoples R China
2.Natl Univ Singapore, Inst Mat Res & Engn, Singapore 119260, Singapore
Recommended Citation
GB/T 7714
Cao, M,Xie, P,Jin, Z,et al. Novel microencapsulated curing accelerator for prolonging shelf life of epoxy resin composition[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2002,85(4):873-878.
APA Cao, M.,Xie, P.,Jin, Z.,Zhang, Y.,Zhang, RB.,...&He, CB.(2002).Novel microencapsulated curing accelerator for prolonging shelf life of epoxy resin composition.JOURNAL OF APPLIED POLYMER SCIENCE,85(4),873-878.
MLA Cao, M,et al."Novel microencapsulated curing accelerator for prolonging shelf life of epoxy resin composition".JOURNAL OF APPLIED POLYMER SCIENCE 85.4(2002):873-878.
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