Thermal gravimetric analysis of in-situ crosslinked nanocellulose whiskers • poly(methyl vinyl ether-co-maleic acid) • polyethylene glycol

TAPPI Journal ◽  
2011 ◽  
Vol 10 (4) ◽  
pp. 29-33
Author(s):  
LEE A. GOETZ ◽  
AJI P. MATHEW ◽  
KRISTIINA OKSMAN ◽  
ARTHUR J. RAGAUSKAS

The thermal stability and decomposition of in-situ crosslinked nanocellulose whiskers – poly(methyl vinyl ether-co-maleic acid) – polyethylene glycol formulations (PMVEMA-PEG), (25%, 50%, and 75% whiskers) – were investigated using thermal gravimetric analysis (TGA) methods. The thermal degradation behavior of the films varied according to the percent cellulose whiskers in each formulation. The presence of cellulose whiskers increased the thermal stability of the PMVEMA-PEG matrix.

2010 ◽  
Vol 11 (10) ◽  
pp. 2660-2666 ◽  
Author(s):  
Lee Goetz ◽  
Marcus Foston ◽  
Aji P. Mathew ◽  
Kristiina Oksman ◽  
Arthur J. Ragauskas

RSC Advances ◽  
2016 ◽  
Vol 6 (16) ◽  
pp. 13129-13136 ◽  
Author(s):  
Xiaoe Ma ◽  
Naizhen Zhou ◽  
Tianzhu Zhang ◽  
Zhenchao Guo ◽  
Wanjun Hu ◽  
...  

Stimuli-responsive poly[(methyl vinyl ether)-alt-(maleic acid)]-based supramolecular hydrogels were prepared in situ by inclusion complexation between cyclodextrin and azobenzene. They may have high potential in biomedical applications.


Holzforschung ◽  
2009 ◽  
Vol 63 (4) ◽  
Author(s):  
Lee A. Goetz ◽  
Jessica P. Sladky ◽  
Arthur J. Ragauskas

Abstract Alternative methods of enhancing water absorption of birch pulp fibers by crosslinking poly(methyl vinyl ether-co-maleic acid) and polyethylene glycol are briefly explored. While thermal initiated crosslinking is common, microwave initiated crosslinking of lignocellulosics is less studied. The thermal and microwave initiated crosslinking were compared through water absorption and retention. The microwave conditions were optimized to 105 s at 1600 W, while the thermal samples were placed in a 130°C oven for 6.5 min. Both methods resulted in successfully creating new superabsorbent fibers. The microwave initiated crosslinked fibers absorbed 45–413% more water and the thermal initiated fibers absorbed 210–582% more water than the control fibers (37.3 g/g and 29.4 g/g, respectively). This study demonstrated that it is possible to utilize microwave technology to enhance water absorption properties of lignocellulosics fibers and to reduce reaction times.


2018 ◽  
Vol 9 ◽  
Author(s):  
Rubhan Chandran ◽  
Eusni Mohd. Tohit ◽  
Mansor Ahmad ◽  
Tuan Mazlelaa Tuan Mahmood ◽  
Johnson Stanslas

2017 ◽  
Vol 11 (7) ◽  
pp. 843-851
Author(s):  
Jaleh Varshosaz ◽  
Ehsan Khabbazian ◽  
Farshid Hassanzadeh ◽  
Hojjat Sadeghi Aliabadi ◽  
Mahboobeh Rostami ◽  
...  

Soft Matter ◽  
2018 ◽  
Vol 14 (41) ◽  
pp. 8317-8324 ◽  
Author(s):  
S. A. Stewart ◽  
M. B. Coulson ◽  
C. Zhou ◽  
N. A. D. Burke ◽  
H. D. H. Stöver

3T3 cells in hydrogel formed by thiol–ene click-crosslinking of vinyl sulfone-functional PMM-CVS with PEG-dithiols.


1975 ◽  
Vol 48 (1) ◽  
pp. 15-17
Author(s):  
Etsuo KOKUFUTA ◽  
Masakatsu ITO ◽  
Mitsuo HIRATA ◽  
Shinji IWAI

Sign in / Sign up

Export Citation Format

Share Document