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Synthesis and characterization of crosslinked uniform polymeric microspheres containing a polyimide prepolymer by a new emulsification process
Alternative TitleJ. Polym. Sci. Pol. Chem.
Ma, GH; Fujiwara, J; Su, ZG; Omi, S
2003-08-15
Source PublicationJOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
ISSN0887-624X
Volume41Issue:16Pages:2588-2598
AbstractA highly crosslinked poly(styrene-divinyl benzene-trimethyolpropane trimethacrylate) microsphere containing a polyimide prepolymer (PIP) was prepared by a new emulsification method, Shirasu porous glass (SPG) membrane emulsification, and a subsequent radical suspension polymerization. That is, a mixture of styrene, divinyl benzene, trimethyol propane trimethacrylate (TMPTMA), and PIP containing an initiator was permeated through the uniform pores of the SPG membrane into a continuous phase containing a stabilizer to form uniform droplets. Then, the suspension polymerization was carried out at 65 degreesC for 24 h. The trifunctional crosslinker TMPTMA was added to enhance the destructive strength of the microsphere, and PIP was incorporated into the microsphere to provide an adhesion force by a known self-curing reaction at 220 degreesC. The effects of the feed amounts of TMPTMA and PIP on the monomer conversion, size distribution, and destructive strength of the microsphere were investigated. The monomer conversion increased with an increase in TMPTMA. The particle size distribution became narrower as the TMPTMA feed amount increased, but it became broader with an increase in PIP. The destructive strength increased with increases in TMPTMA and PIP. After a heat treatment at 220 degreesC, the destructive strength decreased because of the heat degradation of the polymer. The addition of TMPTMA suppressed the heat degradation, and PIP could undergo self-curing at 220 'C. The obtained highly crosslinked uniform microsphere containing PIP has potential applications in liquid-crystal displays. (C) 2003 Wiley Periodicals, Inc.; A highly crosslinked poly(styrene-divinyl benzene-trimethyolpropane trimethacrylate) microsphere containing a polyimide prepolymer (PIP) was prepared by a new emulsification method, Shirasu porous glass (SPG) membrane emulsification, and a subsequent radical suspension polymerization. That is, a mixture of styrene, divinyl benzene, trimethyol propane trimethacrylate (TMPTMA), and PIP containing an initiator was permeated through the uniform pores of the SPG membrane into a continuous phase containing a stabilizer to form uniform droplets. Then, the suspension polymerization was carried out at 65 degreesC for 24 h. The trifunctional crosslinker TMPTMA was added to enhance the destructive strength of the microsphere, and PIP was incorporated into the microsphere to provide an adhesion force by a known self-curing reaction at 220 degreesC. The effects of the feed amounts of TMPTMA and PIP on the monomer conversion, size distribution, and destructive strength of the microsphere were investigated. The monomer conversion increased with an increase in TMPTMA. The particle size distribution became narrower as the TMPTMA feed amount increased, but it became broader with an increase in PIP. The destructive strength increased with increases in TMPTMA and PIP. After a heat treatment at 220 degreesC, the destructive strength decreased because of the heat degradation of the polymer. The addition of TMPTMA suppressed the heat degradation, and PIP could undergo self-curing at 220 'C. The obtained highly crosslinked uniform microsphere containing PIP has potential applications in liquid-crystal displays. (C) 2003 Wiley Periodicals, Inc.
KeywordEmulsification Crosslinking Particle Size Distribution Polystyrene Liquid-crystal Display (Lcd)
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1002/pola.10795
URL查看原文
Indexed BySCI
Language英语
WOS KeywordDISPERSION POLYMERIZATION ; POLAR-SOLVENTS ; PARTICLES ; STYRENE
WOS Research AreaPolymer Science
WOS SubjectPolymer Science
WOS IDWOS:000184408800016
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5363
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Nalt Key Lab Biochem Engn, Beijing 100080, Peoples R China
2.Tokyo Univ Agr & Technol, Grad Sch Bioapplicat & Syst Engn, Tokyo 1848588, Japan
Recommended Citation
GB/T 7714
Ma, GH,Fujiwara, J,Su, ZG,et al. Synthesis and characterization of crosslinked uniform polymeric microspheres containing a polyimide prepolymer by a new emulsification process[J]. JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,2003,41(16):2588-2598.
APA Ma, GH,Fujiwara, J,Su, ZG,&Omi, S.(2003).Synthesis and characterization of crosslinked uniform polymeric microspheres containing a polyimide prepolymer by a new emulsification process.JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,41(16),2588-2598.
MLA Ma, GH,et al."Synthesis and characterization of crosslinked uniform polymeric microspheres containing a polyimide prepolymer by a new emulsification process".JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 41.16(2003):2588-2598.
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