Self-healable poly(acrylic acid-co-maleic acid)/glycerol/boron nitride nanosheet composite hydrogels at low temperature with enhanced mechanical properties and water retention

Soft Matter ◽  
2019 ◽  
Vol 15 (18) ◽  
pp. 3680-3688 ◽  
Author(s):  
Shishan Xue ◽  
Yuanpeng Wu ◽  
Meiling Guo ◽  
Yuanmeng Xia ◽  
Dan Liu ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Low Temperature ◽  
Boron Nitride ◽  
Acrylic Acid ◽  
Maleic Acid ◽  
Water Retention ◽  
Composite Hydrogels ◽  
Boron Nitride Nanosheet ◽  
Poly Acrylic Acid

A self-healable poly(acrylic acid-co-maleic acid) hydrogel at low temperature with excellent mechanical properties and water retention was fabricated.

scholarly journals Super water absorbency OMMT/PAA hydrogel materials with excellent mechanical properties

RSC Advances ◽  
2017 ◽  
Vol 7 (24) ◽  
pp. 14504-14510 ◽  
Author(s):  
Yuqi Zhang ◽  
Yao Liu ◽  
Jiaqi Liu ◽  
Pu Guo ◽  
Liping Heng
Keyword(s):  
Mechanical Properties ◽  
Acrylic Acid ◽  
Uv Irradiation ◽  
Water Absorbency ◽  
Composite Hydrogels ◽  
Poly Acrylic Acid

Montmorillonite/poly(acrylic acid) composite hydrogels, fabricated through UV irradiation polymerization, have a super water absorbency of 2786 g g−1 and excellent mechanical properties.

Influence of Poly(acrylic acid) on the Mechanical Properties of Composite Hydrogels

2014 ◽  
Vol 34 (2) ◽  
pp. n/a-n/a ◽  
Author(s):  
Rahim Faturechi ◽  
Alireza Karimi ◽  
Ata Hashemi ◽  
Hossein Yousefi ◽  
Mahdi Navidbakhsh
Keyword(s):  
Mechanical Properties ◽  
Acrylic Acid ◽  
Composite Hydrogels ◽  
Poly Acrylic Acid

Dually cross-linked single network poly(acrylic acid) hydrogels with superior mechanical properties and water absorbency

Soft Matter ◽  
2016 ◽  
Vol 12 (24) ◽  
pp. 5420-5428 ◽  
Author(s):  
Ming Zhong ◽  
Yi-Tao Liu ◽  
Xiao-Ying Liu ◽  
Fu-Kuan Shi ◽  
Li-Qin Zhang ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Acrylic Acid ◽  
Water Absorbency ◽  
Superior Mechanical Properties ◽  
Poly Acrylic Acid

Dual-Charge Nanofiber Mats Made of Chitosan(CS)/Poly(Vinyl Alcohol) (PVA) and Poly-(Acrylic Acid-Co-Maleic Acid) (PAMA)/PVA

2019 ◽  
Vol 819 ◽  
pp. 145-150
Author(s):  
Thapakorn Chareonying ◽  
Junnasir M. Sakilan ◽  
Theerasak Rojanarata ◽  
Prasopchai Patrojanasophon ◽  
Prasert Akkaramongkolporn ◽  
...  
Keyword(s):  
Acrylic Acid ◽  
Maleic Acid ◽  
Vinyl Alcohol ◽  
Electrospinning Process ◽  
Poly Vinyl Alcohol ◽  
Water Capacity ◽  
Ft Ir ◽  
Nanofiber Mats ◽  
Positively Charged ◽  
Poly Acrylic Acid

Nanofibers have been widely used for tissue engineering. Using charged polymers for the preparation of nanofibers can be useful for the loading of substances or macromolecules. Dual charge nanofiber mats are expected to be able to immobilize both positively charged and negatively charged substances in one versatile nanofiber mat. The purpose of this study was to prepare and characterize dual-charge nanofibers generated from poly (vinyl alcohol) (PVA)/poly-(acrylic acid-co-maleic acid) (PAMA) and chitosan (CS)/PVA. The polymer solutions of PAMA/PVA (1:1.63 w/w) and CS/PVA (1:2.33 w/w) were electrospun to form the nanofibers using dual-jet electrospinning process. The obtained dual-charge nanofibers were thermally crosslinked by leaving the nanofibers in the oven at 110-130 °C for 0.5, 1, 3, 5 h. The appearance of the nanofiber mat was characterized by a scanning electron microscope (SEM), and the diameter of nanofibers were determined by an image analysis software (J-micro vision®). The percentage water insolubilization and FT-IR spectra were also determined. The dual-size nanofiber mats with smooth and bead-free fibers were obtained. The diameter of the PAMA/PVA and CS/PVA fibers was 574.54 ± 142.98 nm and 225.69 ± 41.92 nm, respectively. The desirable temperature and time for the crosslink of the dual-charge nanofiber mats was 130 °C for 1 h which could provide a high insolubilization with water capacity of 93.22 ± 2.23%.

scholarly journals Effect of Methyl Cellulose/Poly(Acrylic Acid) Blends on Physico-Mechanical Properties of Portland Cement Pastes

2017 ◽  
Vol 33 (1) ◽  
pp. 450-457 ◽  
Author(s):  
El-Sayed Negim ◽  
Niyazbekova Rimma ◽  
Lyazzat Bekbayeva ◽  
Utelbayeva Akmaral ◽  
Bengin M. Herki ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Acrylic Acid ◽  
Portland Cement ◽  
Methyl Cellulose ◽  
Cement Pastes ◽  
Poly Acrylic Acid
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