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- Title
Multiscale Relaxation Behavior of Amorphous Plasticized Poly(vinyl butyral).
- Authors
Lv, Changzhu; Guo, Hang; Yang, Erjie; Xu, Chunlei; Yan, Qi; Meng, Lingpu; Li, Liangbin; Cui, Kunpeng
- Abstract
As a key component in laminated glass, plasticized polyvinyl butyral (PVB) interlayer is a kind of impact‐resistant polymer material with high toughness. Recently, by using ultrasmall angle X‐ray scattering (USAXS) technique, Stretch‐induced phase‐separated structure on the scale of hundreds of nanometers formed in plasticized PVB for the first time is reported. In this work, the multiscale relaxation behavior of plasticized PVB is further investigated. The relaxation behavior of deformed plasticized PVB is studied from macroscopic stress, mesoscopic phase‐separated structure, and microscopic chain segment by combining USAXS, and birefringence with in situ stretching device. The contributions of chain segments and hydrogen bonding clusters for the multiscale relaxation behavior are discussed.
- Subjects
X-ray scattering; LAMINATED glass; HYDROGEN bonding; SYNTHETIC gums &; resins; BIREFRINGENCE; POLYVINYL butyral; PHASE separation
- Publication
Macromolecular Rapid Communications, 2023, Vol 44, Issue 18, p1
- ISSN
1022-1336
- Publication type
Article
- DOI
10.1002/marc.202300226