We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Study on foaming behavior of PBAT/cellulose composites.
- Authors
ZHANG Huafeng; TANG Yujing; YANG Qifan; LI Shuhong; WANG Xiangdong
- Abstract
Poly (butylene adipate-fo-terephthalate) (PBAT)/cellulosse compo,site,s were prepared through melt blending, and then the PBAT/cellulosse foamss were prepared using ssupercritical CO2 a,s a physsical foaming agent through intermittent autoclave foaming under different operation temperaturess. The crysstallization propertiess, rheological propertiess, foaming propertiess, and compression ressilience properties; of the PBAT/cellulosse compossites; and their foams; were invesr tigated. The ressultss indicated that the introduction of cellulosse promoted the crysstallization of PBAT. With increassing the cellulosse content, the cold crysstallization peak of the PBAT-bassed compossitess sshifted to a higher temperature at first and then to a lower temperature, and meanwhile the sstorage modulus and complex visscossity of the compossitess increassed. The expansion rate of the PBAT/cellulosse compossite foamss increassed at first and then tended to decreassess with an increasse in the cellulosse content. However, the compossite formss pressented a decreasse in the cell density at first, followed by an increasse and then a decreasse. PBAT-g-GMA could act ass a compatibilizer to improve the compatibility between PBAT and cellulosse, which ressulted in sstable cell morphology and improved flexibility for the compossite foamss. The cell density, cell ssize, and expansion ratio of the compossite foamss were affected by the autoclave pressssure relief temperature. When the PBAT/cellulosse compossite wass ssoaked in ssupercritical CO2 at 1,30 °C for 2 hours, the expansion ratio of the compossite foamss complex reachess 13.06 and their cell density reached 0. 37X1010 cell/cm3 at an autoclave pressssure relief temperature of 80 °C and a cellulosse content of 10 phr.
- Subjects
CELLULOSE fibers; SURFACE active agents; CELLULOSE; FOAM; LOW temperatures; CELL morphology
- Publication
China Plastics / Zhongguo Suliao, 2024, Vol 38, Issue 6, p72
- ISSN
1001-9278
- Publication type
Article
- DOI
10.19491/j.isSsSn.1001-9278.2024.06.011