Creating polymer templates and their use in the in-situ synthesis of biodegradable composite networks

Patil, Nitin V.; Kelsey, Jarred; Fischer, J.W.; Grady, Brian P.; White, Jeffery L.

doi:10.1016/j.polymer.2014.03.060

Cited by 8 publications

(8 citation statements)

References 31 publications

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“…The combination of inorganic compound and polymer network will bring about some interesting characteristics . In order to play its role well, the inorganic component should be homogeneously dispersed within the polymeric matrix . Although local aggregation of TiO 2 appears when its amount reaches 16%, TiO 2 is well dispersed within the starch‐based hydrogel in general (Figure ).…”

Section: Resultsmentioning

confidence: 99%

“…19,20 In order to play its role well, the inorganic component should be homogeneously dispersed within the polymeric matrix. 21 Although local aggregation of TiO 2 appears when its amount reaches 16%, TiO 2 is well dispersed within the starch-based hydrogel in general ( Figure 4). Therefore, SDPH meets the requirements of composite hydrogels.…”

Section: Characteristics Of Starch-based Dual Photo-functional Hydrmentioning

confidence: 99%

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Formation and characteristics of starch‐based dual photo‐function composite hydrogel

Xiao

2019

Polymers for Advanced Techs

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Starch‐based dual photo‐functional hydrogel (SDPH) was obtained via incorporating the azo group onto the backbone of polymeric network and titanium dioxide within the gel at the same time. The structure and composition of SDPH were confirmed with Fourier transform infrared spectrometer, ultraviolet‐visible (UV‐Vis) spectroscopy, thermogravimetric analysis, and energy scattering X‐ray spectroscopy. Scanning electron microscopy observation revealed that titanium dioxide was well dispersed within SDPH. It was found that SDPH not only showed a reversible light‐sensitive behavior but also possessed photo‐catalytic activity. Moreover, the dual photo‐characteristics could be modulated by simply varying the initial amount of titanium dioxide.

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Section: Resultsmentioning

confidence: 99%

Section: Characteristics Of Starch-based Dual Photo-functional Hydrmentioning

confidence: 99%

Formation and characteristics of starch‐based dual photo‐function composite hydrogel

Xiao

2019

Polymers for Advanced Techs

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“…Natural products from marine invertebrates like the sea cucumbers are found to be promising antifouling agents (Acevedo et al 2013 ; Mert Ozupek and Cavas 2017 ). On the other hand, aliphatic polyesters like polycaprolactone can be used not only as a self-polishing coating but also as a release system for antifoulants due to its enzymatic or hydrolytic erosion (Gross and Kalra 2002 ; Nair and Laurencin 2007 ; Patil et al 2014 ; Chen et al 2016 ; Guo et al 2016 ). The present study focused on the use of bioactive extracts from the sea cucumber S.herrmanni as natural antifoulants, as well as in the use of the biopolymers PCL/PLA as a self-polishing coating to make an efficient biodegradable antifouling coating.…”

Section: Discussionmentioning

confidence: 99%

Antifouling coating based on biopolymers (PCL/ PLA) and bioactive extract from the sea cucumber Stichopus herrmanni

et al. 2022

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An important challenge to decrease the toxic effects of the common biocides in marine environments and to achieve suitable ecofriendly natural antifouling coatings is to find effective natural antifoulants and efficient biodegradable coatings. In this study, antifouling activities of nine bioactive extracts (non-polar to polar) from different organs of the sea cucumber Stichopus herrmanni were tested against five bacterial strains, barnacle and brine shrimp larvae. The ethyl acetate extract of the body wall showed the highest in-vitro antifouling activity including high antibacterial and anti-barnacle activities and low toxicity against the brine shrimp as non-target organism. Based on these results, 10 phr of the ethyl acetate extract from S.herrmanni was added to different coatings consisting of polycaprolactone (PCL)/polylactic acid (PLA) blends containing various compositions of PLA (0, 10, and 20 wt.%). Polyvinyl chloride panels were coated with the prepared antifouling coatings and immersed in seawater for three months. Panel coated with PCL 80% /PLA 20% containing 10 phr of the antifoulant (panel-5), showed the highest resistance against fouling settlement with fouling coverage of 41.66% (P < 0.05). In addition, the lowest fouling weight was measured in panel-5 as well (81.00 ± 9.85 g) (P < 0.05). These findings indicate the antibacterial and antifouling potential of semi-polar bioactive extracts from the S. herrmanni body wall as natural antifoulants, as well as the enhanced antifouling performance of PCL/the natural antifoulant coatings by adding PLA. Graphical Abstract

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“…HPLC and MIC testing had been done to observe the stability of vancomycin. Nitin Patil et al (2014) [127] synthesized biodegradable, biocompatible PEO based PCL triblock polymer for high-surface area silica formation. End-group functionalization imparted an additional reactive function prior to silica formation.…”

Section: Peamentioning

confidence: 99%

A Review on Biodegradable Polymeric Materials Striving Towards the Attainment of Green Environment

Jayanth¹,

Kumar

Nayak

et al. 2017

J Polym Environ

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Creating polymer templates and their use in the in-situ synthesis of biodegradable composite networks

Cited by 8 publications

References 31 publications

Formation and characteristics of starch‐based dual photo‐function composite hydrogel

Formation and characteristics of starch‐based dual photo‐function composite hydrogel

Antifouling coating based on biopolymers (PCL/ PLA) and bioactive extract from the sea cucumber Stichopus herrmanni

A Review on Biodegradable Polymeric Materials Striving Towards the Attainment of Green Environment

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