Highly Adhesive and Sustainable UV/Heat Dual-Curable Adhesives Embedded with Reactive Core-Shell Polymer Nanoparticles for Super-Narrow Bezel Display

To achieve the seamless characteristics of displays, liquid crystal (LC) devices need a super-narrow bezel design. This device architecture can be constructed using functional adhesives that possess excellent physical and chemical properties. In this study, mechanically robust ultraviolet (UV)/heat dual-curable adhesives with outstanding reliability and processability have been fabricated using reactive poly(methyl methacrylate) (PMMA)/polyethyleneimine (PEI) core-shell nanoparticles. Their curing characteristics, narrow drawing processability, adhesive strength, elongation at break, and the contact contamination of LCs have been investigated. Compared to conventional adhesive material, the proposed adhesive containing multifunctional PMMA/PEI nanoparticles afforded a high adhesion strength of 40.2 kgf cm−2 and a high elongation of 64.8% due to the formation of a firm crosslinked network with matrix resins comprising bisphenol A epoxy resin and bisphenol A glycerolate dimethacrylate. Moreover, the proposed adhesive showed an excellent narrow drawing width of 1.2 mm, which is a prerequisite for super-narrow bezel display. With regard to LC contamination, it was found that the level of contamination could be remarkably reduced to 61 µm by a high-temperature curing process. This study makes a significant contribution to the development of advanced display, because it provides robust and sustainable display adhesives based on nanomaterials, thereby enhancing the life and sustained operability of displays.

Download Full-text

Recent Advancement in Functional Core-Shell Nanoparticles of Polymers: Synthesis, Physical Properties, and Applications in Medical Biotechnology

Journal of Nanoparticles ◽

10.1155/2013/672059 ◽

2013 ◽

Vol 2013 ◽

pp. 1-24 ◽

Cited By ~ 52

Author(s):

K. Santhosh Kumar ◽

Vijay Bhooshan Kumar ◽

Pradip Paik

Keyword(s):

Chemical Properties ◽

Core Shell ◽

Shell Nanoparticles ◽

The Core ◽

Shell Nanostructures ◽

Experimental Parameters ◽

Recent Advancement ◽

Core Shell Nanoparticles ◽

Physical And Chemical ◽

And Chemical Properties

This paper covers the core-shell nanomaterials, mainly, polymer-core polymer shell, polymer-core metal shell, and polymer-core nonmetal shells. Herein, various synthesis techniques, properties, and applications of these materials have been discussed. The detailed discussion of the properties with experimental parameters has been carried out. The various characterization techniques for the core-shell nanostructure have also been discussed. Their physical and chemical properties have been addressed. The future aspects of such core-shell nanostructures for biomedical and various other applications have been discussed with a special emphasis on their properties.

Download Full-text

Physico-Chemical Properties of Silica Coated Superparamagnetic Magnetite Nanoparticles Synthesized by Non-Seeded Process

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.1107.267 ◽

2015 ◽

Vol 1107 ◽

pp. 267-271

Author(s):

Sodipo Bashiru Kayode ◽

Azlan Abdul Aziz

Keyword(s):

Silica Nanoparticles ◽

Magnetite Nanoparticles ◽

Colloidal Suspension ◽

Sol Gel ◽

Chemical Properties ◽

Colloidal Suspensions ◽

Core Shell ◽

Shell Nanoparticles ◽

Physico Chemical ◽

Physical And Chemical

The science of core-shell nanoparticles requires investigation into several physical and chemical properties of the composite nanoparticles. Unlike the conventional sol-gel or the reverse microemulsion micelle method, we presented here a non-seeded process of encapsulating superparamagnetic magnetite nanoparticles (SPMN) with silica. Physico-chemical analysis of the product was used to confirm the result of the coating procedure. Colloidal suspension of SPMN and silica nanoparticles were synthesised through coprecipitation method and modified Stöber method respectively. Afterwards, both colloidal suspensions of SPMN and silica nanoparticles were sonicated to encapsulate the SPMN with silica. Elemental mapping of the composite particles with electron spectroscopy imaging (ESI) confirmed the core-shell micrograph of the SPMN and silica. The X-ray diffraction pattern (XRD) showed the silica shell to be in amorphous form. FTIR analysis further confirmed the chemical properties of the product to be silica coated SPMN.

Download Full-text

ADSORPTION OF WATER-EXTRACTABLE PROTEINS IN NATURAL RUBBER LATEX SERUMS BY POLY(METHYL METHACRYLATE)/POLYETHYLENEIMINE CORE-SHELL NANOPARTICLES

Rubber Chemistry and Technology ◽

10.5254/rct.15.84867 ◽

2016 ◽

Vol 89 (1) ◽

pp. 199-210 ◽

Cited By ~ 1

Author(s):

Aditjaya Jivapongvitoon ◽

Panya Sunintaboon ◽

Surapich Loykulnant ◽

Krisda Suchiva

Keyword(s):

Electron Microscope ◽

Natural Rubber ◽

Methyl Methacrylate ◽

Natural Rubber Latex ◽

Core Shell ◽

Rubber Latex ◽

Shell Nanoparticles ◽

High Ammonia ◽

Core Shell Nanoparticles ◽

Pei Nanoparticles

ABSTRACT Poly(methyl methacrylate)/polyethyleneimine (PMMA/PEI) core-shell nanoparticles were prepared by emulsifier-free emulsion polymerization. Micrographs from a scanning electron microscope and transmission electron microscope displayed their spherical shape with core-shell morphology in which PMMA was a core and PEI was a shell. The PMMA/PEI nanoparticles' ability to adsorb proteins from the serum of commercial low-ammonia preserved fresh field natural rubber latex was illustrated. The driving force for adsorption was proposed to be mainly via electrostatic interaction between the protonated amino groups of PEI chains on the nanoparticles' surface and phospholipids or protein molecules on NR particles. The reduction percentage was about 50%, depending on the content of PMMA/PEI nanoparticles and mixing time. For comparison, the protein reduction performance by the nanoparticles with two additional extracted serums, high-ammonia preserved concentrated NRL and Thai advanced preservative system NRL, which have different initial protein contents and pH values, was also investigated. The preliminary evaluation of PMMA/PEI nanoparticles' performance in sulfur-prevulcanized high-ammonia preserved concentrated NRL was also studied. Its corresponding sheet had lower extractable proteins by 50% and had tensile strength and elongation at break of 25.5 MPa and 715%, respectively.

Download Full-text

Preparation conditions effect on the physico-chemical properties of magnetic–plasmonic core–shell nanoparticles functionalized with chitosan: Green route

Nano-Structures & Nano-Objects ◽

10.1016/j.nanoso.2018.07.006 ◽

2018 ◽

Vol 16 ◽

pp. 215-223 ◽

Cited By ~ 7

Author(s):

M.M. Eid ◽

S.M. El-Hallouty ◽

M. El-Manawaty ◽

F.H. Abdelzaher ◽

M. Al-Hada ◽

...

Keyword(s):

Chemical Properties ◽

Core Shell ◽

Shell Nanoparticles ◽

Preparation Conditions ◽

Green Route ◽

Physico Chemical ◽

Core Shell Nanoparticles

Download Full-text

Surface functionalization of Fe3O4@SiO2 core-shell nanoparticles with vinylimidazole-rare earth complexes: Synthesis, physico-chemical properties and protein interaction effects

Applied Surface Science ◽

10.1016/j.apsusc.2018.05.096 ◽

2018 ◽

Vol 453 ◽

pp. 457-463 ◽

Cited By ~ 8

Author(s):

M. Cîrcu ◽

T. Radu ◽

A.S. Porav ◽

R. Turcu

Keyword(s):

Rare Earth ◽

Protein Interaction ◽

Surface Functionalization ◽

Chemical Properties ◽

Interaction Effects ◽

Rare Earth Complexes ◽

Core Shell ◽

Shell Nanoparticles ◽

Physico Chemical ◽

Core Shell Nanoparticles

Download Full-text

A highly sensitive and quantitative detection method for bisphenol A (BPA) by competitive immunoassay based on surface-enhanced Raman spectroscopy

Pigment & Resin Technology ◽

10.1108/prt-03-2017-0022 ◽

2018 ◽

Vol 47 (1) ◽

pp. 38-46 ◽

Cited By ~ 5

Author(s):

Zhang Lei ◽

Yingshan Chen ◽

Zhiwen Liu ◽

Wenjin Ji ◽

Suqing Zhao

Keyword(s):

Bisphenol A ◽

Core Shell ◽

Competitive Immunoassay ◽

Shell Nanoparticles ◽

Content Type ◽

Coating Antigen ◽

Highly Sensitive ◽

Surface Enhanced ◽

Surface Enhanced Raman ◽

Core Shell Nanoparticles

Purpose In this study, a highly sensitive and quantitative analysis method using surface-enhanced Raman scattering (SERS)-labeled immunoassay is adopted for bisphenol A bisphenol A (BPA) detection in water samples. Design/methodology/approach Primarily, an excellent SERS immuno-nanoprobe is prepared, which relays on Au/Ag core-shell nanoparticles tagged 4-mercaptobenzoic acid (4MBA) and labeled with specific antibody against BPA. Second, the coating antigen of 4,4-Bis(4-hydroxyphenol) valeric acid (BVA) coupling poly-L-lysine (PLL) conjugate (BVA-PLL) is fastened on the substrate. Based on competitive immunoassay, the antibody labeled on SERS immuno-nanoprobe will bind with the free BPA and BVA-PLL competitively. Findings A calibration curve was obtained by plotting the intensity of SERS signal of 4MBA at 1007 cm−1 versus the concentration of BPA. The results indicated that the limit of detection (LOD) for BPA is 1 ng/mL and present a great capacity for higher sensitivity. Furthermore, the method was able to quantitatively detect BPA in water samples, which was validated by high performance liquid chromatography (HPLC). Originality/value The method was developed based on competitive immunoassay, and the conjugate (BVA-PLL) was chosen as the coating antigen. Au/Ag core-shell nanoparticles played as the SERS active substrate and were labeled with Raman reporter. The value of this paper is supplying a wide potential for analysis of target analytes in the environmental monitoring and food safety.

Download Full-text