ICCAS OpenIR
Some block copolymers illustrating the effects of siloxane and silane units on the properties of terephthalate-glycol thermoplastics
Pu, Z; Mark, JE; Li, Z; Zhu, J
1999-07-01
Source PublicationPOLYMER
ISSN0032-3861
Volume40Issue:16Pages:4695-4701
AbstractModified poly(butylene terephthalate)-poly(tetramethylene glycol) multiblock copolymers were prepared by including either siloxane or silane units within the terephthalate hard blocks or the glycol soft blocks. These materials were characterized in terms of their dynamic-mechanical properties, glass transition temperatures T(g), and morphology las obtained from small-angle X-ray scattering measurements. One interesting result was the finding that putting siloxane units into the terephthalate hard blocks significantly decreased the storage modulus, whereas placing them into the glycol soft blocks somewhat increased it. Other interesting results were the observation that the T(g) of the soft segments increased if the siloxane units were placed into the hard blocks but slightly decreased if they were placed into the soft blocks, while the hard-segment T(g) was not observed at all. Some of these results could be explained in terms of the phase separation suggested by the X-ray scattering results. (C) 1999 Elsevier Science Ltd. All rights reserved.
KeywordThermoplastic Elastomers Polysiloxanes Silicones
Indexed BySCI ; ISTP
Language英语
WOS IDWOS:000079905600029
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/75452
Collection中国科学院化学研究所
Corresponding AuthorMark, JE
Affiliation1.Univ Cincinnati, Dept Chem, Cincinnati, OH 45221 USA
2.Univ Cincinnati, Polymer Res Ctr, Cincinnati, OH 45221 USA
3.Acad Sinica, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Pu, Z,Mark, JE,Li, Z,et al. Some block copolymers illustrating the effects of siloxane and silane units on the properties of terephthalate-glycol thermoplastics[J]. POLYMER,1999,40(16):4695-4701.
APA Pu, Z,Mark, JE,Li, Z,&Zhu, J.(1999).Some block copolymers illustrating the effects of siloxane and silane units on the properties of terephthalate-glycol thermoplastics.POLYMER,40(16),4695-4701.
MLA Pu, Z,et al."Some block copolymers illustrating the effects of siloxane and silane units on the properties of terephthalate-glycol thermoplastics".POLYMER 40.16(1999):4695-4701.
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