STUDIES ON EPOXY RESINS MODIFIED WITH POLY (BUTYLENE TEREPHTHALATE)-b-POLY (TETRAMETHYLENE GLYCOL)*

WANG Xia; ZHAO Binyi; LI Zhengyi; YU Yunzhao

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STUDIES ON EPOXY RESINS MODIFIED WITH POLY (BUTYLENE TEREPHTHALATE)-b-POLY (TETRAMETHYLENE GLYCOL)*

Papers | Updated：2021-06-21

- STUDIES ON EPOXY RESINS MODIFIED WITH POLY (BUTYLENE TEREPHTHALATE)-b-POLY (TETRAMETHYLENE GLYCOL)*
- Vol. 15, Issue 1, Pages: 84-91(1997)
- Affiliations：
  
  1.   Institute of Chemistry
  2.   Academia Sinica
  3.   Beijing 100080
- Author bio：
- Funds：
- DOI：
  CLC： TQ323.5
- Published：20 March 1997
- Accepted：
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[1]王霞,赵炳燚,李贞宜,余云照.STUDIES ON EPOXY RESINS MODIFIED WITH POLY (BUTYLENE TEREPHTHALATE)-b-POLY (TETRAMETHYLENE GLYCOL)[J].Chinese Journal of Polymer Science,1997,{4}(01):84-91.

WANG Xia, ZHAO Binyi, LI Zhengyi, et al. STUDIES ON EPOXY RESINS MODIFIED WITH POLY (BUTYLENE TEREPHTHALATE)-b-POLY (TETRAMETHYLENE GLYCOL)*[J]. 1997, 15(1): 84-91.
[1]王霞,赵炳燚,李贞宜,余云照.STUDIES ON EPOXY RESINS MODIFIED WITH POLY (BUTYLENE TEREPHTHALATE)-b-POLY (TETRAMETHYLENE GLYCOL)[J].Chinese Journal of Polymer Science,1997,{4}(01):84-91. DOI：

WANG Xia, ZHAO Binyi, LI Zhengyi, et al. STUDIES ON EPOXY RESINS MODIFIED WITH POLY (BUTYLENE TEREPHTHALATE)-b-POLY (TETRAMETHYLENE GLYCOL)*[J]. 1997, 15(1): 84-91. DOI：

摘要

<正> Poly（butylene terephthalate ）-b-poly （tetramethylene glycol）（PBT-b-PTMG） was usedas rheology modifier for the epoxy resin. The segmental copolymer formed spherulites inthe epoxy medium. This copolymer was very effective in endowing yield stresses to theliquid resin. The PTMG segment brought in a lowering of the dissolution temperature ofthe spherulites in the epoxy gel. The cured resin with PBT-b-PTMG as modifier was two-phase materials. The rheology modifier improved the mechanical properties of the curedresin as well. The flexible PTMG segments

however

were not in favour of the tougheningeffect of the modifier. This was attributed to the large domain size of the dispersed phase.

Abstract

Poly（butylene terephthalate ）-b-poly （tetramethylene glycol）（PBT-b-PTMG） was usedas rheology modifier for the epoxy resin. The segmental copolymer formed spherulites inthe epoxy medium. This copolymer was very effective in endowing yield stresses to theliquid resin. The PTMG segment brought in a lowering of the dissolution temperature ofthe spherulites in the epoxy gel. The cured resin with PBT-b-PTMG as modifier was two-phase materials. The rheology modifier improved the mechanical properties of the curedresin as well. The flexible PTMG segments

however

were not in favour of the tougheningeffect of the modifier. This was attributed to the large domain size of the dispersed phase.

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