The coloration phenomena of porous poly(vinyl alcohol) (PVA)-poly(vinyl acetate) (PVAc) composite films in organic solvents, which were prepared from dried PVAc latex films containing PVA as a protective colloid with acetone extraction, have been investigated from the standpoint of light dispersive
Piezochromism of Porous Poly(vinyl alcohol)–Poly(vinyl acetate) Composite Film in Organic Solvents
✍ Scribed by Sadao Hayashi; Koji Asada; Satoshi Horiike; Hajime Furuhata; Toshihiro Hirai
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 323 KB
- Volume
- 176
- Category
- Article
- ISSN
- 0021-9797
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## Abstract It is a common view that poly(vinyl acetate) has many branches at the acetyl side group, but that the corresponding poly(vinyl alcohol) has little branching. In order to study the branching in poly(vinyl acetate) and poly(vinyl alcohol) which is formed by chain transfer to polymer, the
## Abstract A crosslinked network was formed by the reaction of partially saponified poly(vinyl acetate) and toluylene diisocyanate in benzene. The yield of gel was markedly dependent on the degree of saponification and the concentrations of polymer and diisocyanate. Crosslinked poly(vinyl alcohol)