ICCAS OpenIR
Poly(methacrylates) bearing dendritic blocks
Chen, YM; Liu, YF; Gao, JG; Chen, CF; Xi, F
1999-10-01
Source PublicationMACROMOLECULAR CHEMISTRY AND PHYSICS
ISSN1022-1352
Volume200Issue:10Pages:2240-2244
AbstractAlkyl methacrylate monomers with three kinds of dendritic fragments as alkyl groups, two kinds of Frechet-type and a new type containing multi-aryl ether linkage, were prepared. These macromonomers were radically polymerized with 2,2'-azobisisobutyronitrile (AIBN) as the initiator. The concentration of monomers has great influence on the degree of polymerization. High degrees of polymerization are obtained at high concentration of monomers even for those monomers with dendritic side groups in the second generation. The activation energy of thermal degradation of polymers was calculated by the integral (Ozawa) method. It reveals that the stability of the polymers is greatly improved with increasing generation number of dendritic wedges as side blocks. The functionality of the chain ends of the dendritic fragments also influences considerably the thermal properties of the polymers. The glass transition temperature decreases with increase of the size of the side groups.
Indexed ByIC ; SCI
Language英语
WOS IDWOS:000083050000009
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/74842
Collection中国科学院化学研究所
Corresponding AuthorChen, YM
Affiliation1.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
2.Hebei Univ, Dept Chem, Hebei, Peoples R China
3.Nankai Univ, State Key Lab Funct Polymer Mat Absorpt & Seperat, Tianjin 300071, Peoples R China
Recommended Citation
GB/T 7714
Chen, YM,Liu, YF,Gao, JG,et al. Poly(methacrylates) bearing dendritic blocks[J]. MACROMOLECULAR CHEMISTRY AND PHYSICS,1999,200(10):2240-2244.
APA Chen, YM,Liu, YF,Gao, JG,Chen, CF,&Xi, F.(1999).Poly(methacrylates) bearing dendritic blocks.MACROMOLECULAR CHEMISTRY AND PHYSICS,200(10),2240-2244.
MLA Chen, YM,et al."Poly(methacrylates) bearing dendritic blocks".MACROMOLECULAR CHEMISTRY AND PHYSICS 200.10(1999):2240-2244.
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