Foaming Poly(vinyl alcohol)/Microfibrillated Cellulose Composites with CO<sub>2</sub> and Water as Co-blowing Agents

Zhao, Na; Mark, Lun Howe; Zhu, Changwei; Park, Chul; Li, Qian; Glenn, Robert W.; Thompson, Todd Ryan

doi:10.1021/ie502018v

Cited by 59 publications

(43 citation statements)

References 52 publications

(107 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Poly(vinyl alcohol) (PVA), a nontoxic water soluble polymer, has been widely used in many applications, such as drug delivery, adhesives, packaging, heavy metal ions absorption, and acoustic noise reduction, due to its biocompatibility, biodegradability, chemical resistance, and good oxygen barrier properties . However, the poor mechanical properties of PVA limit its use .…”

Section: Introductionmentioning

confidence: 99%

Crosslinked poly(vinyl alcohol) composite films with cellulose nanocrystals: Mechanical and thermal properties

Tanpichai

Oksman

2017

J of Applied Polymer Sci

View full text Add to dashboard Cite

In this work, poly(vinyl alcohol) (PVA) and cellulose nanocrystals (CNCs) were crosslinked using sodium tetraborate decahydrate (borax) to improve the mechanical and thermal properties of the neat PVA. The results showed that the CNCs affected the crystallization behavior of the crosslinked PVA. The crystallization temperature of the crosslinked PVA with CNCs increased considerably from ∼152 to ∼187 °C. The continuous improvement of the thermal stability was observed with the increasing content of CNCs in the crosslinked PVA films. Additionally, the strong interaction between the CNCs and PVA was theoretically estimated from the Young's modulus values of the composites. Thermodynamic mechanical testing revealed that the crosslinked PVA composite films with CNCs could bear higher loads at high temperature compared to the films without the CNCs. At 60 °C, 2.7 GPa was reported for the storage modulus of the crosslinked composites with 3 wt % of CNCs, twice as high as that for the crosslinked films without CNCs. Moreover, creep results were improved when CNCs were added in the crosslinked nanocomposites. The materials prepared in this work could broaden the opportunities for applications in a wide range of temperatures. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45710.

show abstract

Section: Introductionmentioning

confidence: 99%

Crosslinked poly(vinyl alcohol) composite films with cellulose nanocrystals: Mechanical and thermal properties

Tanpichai

Oksman

2017

J of Applied Polymer Sci

View full text Add to dashboard Cite

show abstract

“…Among these, CNFs have been highlighted recently as additives or reinforcement in various polymer systems to tailor the performance of the polymer matrix [9,11,[44][45][46][47][48][49]. CNFs are long, flexible, and entangled cellulose fibrils of 20-90 nm in diameter and several micrometers in length [50,51].…”

Section: Introductionmentioning

confidence: 99%

Non-isothermal crystallization behaviors of poly(lactic acid)/cellulose nanofiber composites in the presence of CO2

Ding

Chu

Mark

et al. 2015

European Polymer Journal

Self Cite

View full text Add to dashboard Cite

“…Cell density (cell/cm 3 ) was assessed according to the following formula equation:

Cell density = {(\frac{normaln M^{2}}{A})}^{\frac{3}{2}} \times ϕ

…”

Section: Methodsmentioning

confidence: 99%

Thermoplastic foaming mechanism and Pb²⁺ adsorption of poly(vinyl alcohol)/shell powder porous composite

Xie

Qiu

et al. 2019

Polymer Composites

View full text Add to dashboard Cite

Combining the respective advantages of PVA and shell in wastewater treatment, poly(vinyl alcohol)/shell powder (PVA/SP) porous composite suitable for the removal of heavy metal ions from wastewater was prepared via thermoplastic foaming technology using water as both plasticizer and physical blowing agent. The effects of SP content on the thermoplastic foaming mechanism including interactions among components, water states and water evaporation behaviors, as well as cell structure and Pb2+ adsorption property of the porous composite were studied. The results showed that SP could form different hydrogen bonding or coordination interactions with water and PVA, making free water in system reduced and nonfreezing water increased, thus realizing the controllable foaming of water and avoiding the formation of the big cells caused by intensive evaporation of water. SP particles could also act as heterogeneous nucleating agents to effectively increase the number of heterogeneous nucleating points in the system, resulting in the formation of denser and more uniform cells. With the increase of SP content, the adsorption capacity of porous composite on Pb2+ increased, and reached the maximum at 10 wt%, that is, 31.1 mg/g, higher than that of pure SP powders, that is, 23.4 mg/g, ascribing to the good dispersion of SP in PVA matrix as well as the high hydrophilicity of PVA porous material.

show abstract

Foaming Poly(vinyl alcohol)/Microfibrillated Cellulose Composites with CO₂ and Water as Co-blowing Agents

Cited by 59 publications

References 52 publications

Crosslinked poly(vinyl alcohol) composite films with cellulose nanocrystals: Mechanical and thermal properties

Crosslinked poly(vinyl alcohol) composite films with cellulose nanocrystals: Mechanical and thermal properties

Non-isothermal crystallization behaviors of poly(lactic acid)/cellulose nanofiber composites in the presence of CO2

Thermoplastic foaming mechanism and Pb²⁺ adsorption of poly(vinyl alcohol)/shell powder porous composite

Contact Info

Product

Resources

About

Foaming Poly(vinyl alcohol)/Microfibrillated Cellulose Composites with CO2 and Water as Co-blowing Agents

Cited by 59 publications

References 52 publications

Crosslinked poly(vinyl alcohol) composite films with cellulose nanocrystals: Mechanical and thermal properties

Crosslinked poly(vinyl alcohol) composite films with cellulose nanocrystals: Mechanical and thermal properties

Non-isothermal crystallization behaviors of poly(lactic acid)/cellulose nanofiber composites in the presence of CO2

Thermoplastic foaming mechanism and Pb2+ adsorption of poly(vinyl alcohol)/shell powder porous composite

Contact Info

Product

Resources

About

Foaming Poly(vinyl alcohol)/Microfibrillated Cellulose Composites with CO₂ and Water as Co-blowing Agents

Thermoplastic foaming mechanism and Pb²⁺ adsorption of poly(vinyl alcohol)/shell powder porous composite