Macromol. Chem. Phys. 22/2016

Kaßner, Lysann; Knoblauch, Anja; Seifert, Andreas; Grützner, Rolf-Egbert; Cox, Gerhard; Lange, A.; Csihony, Szilárd; Simon, Frank; Anders, Susann; Kroll, Lothar; Rahaman, Mahfujur; Zahn, Dietrich R. T.; Mertens, Lutz; Weber, Martina; Mehring, M.; Spange, Stefan

doi:10.1002/macp.201670071

Cited by 3 publications

(3 citation statements)

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“…The physical and chemical properties are shown in Table 1, in the lm-forming experiment, polysilazane resin was used as the liquid. Polysilazane resin is one of the few inorganic high-performance polymer compounds that can form high-performance lm materials at room temperature [25]. Polysilazane resin is a colorless or light yellow transparent liquid, density is , viscosity is 0.01 Pa•s.…”

Section: Liquid Physicochemicalmentioning

confidence: 99%

Investigation of electrostatic-assisted ultrasonic atomization and spraying

Yang,

Yuan,

Zhang

et al. 2024

Int J Adv Manuf Technol

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Ultrasonic atomization technology has been widely used in industry in recent years due to its higher atomization e ciency. This paper proposes a method of electrostatic-assisted ultrasonic atomization spraying and designs a special ultrasonic power supply that can directly introduce high-voltage static electricity onto the surface of the ultrasonic atomization so that the liquid can contact the charge and enhance the charging effect. This paper conducts numerical simulation analysis on the atomization process and statistically analyzes the numerical simulation atomization particle size through image processing. In addition, this paper designs experiments from two aspects of atomization particle size and lm-forming effect. The results show that the experimental results are consistent with the numerical simulation results, verifying the accuracy of the numerical simulation results. It shows that in the process of sub-droplet formation, the introduction of static electricity will increase the number of capillary waves, promote two mechanisms of the capillary pinch-off mechanism and the Rayleigh-Plain instability, reduce atomization particle size, and increase atomization e ciency. Compared with the traditional air ow beam method, the lm-forming surface quality of the electric eld beam method is higher and the surface roughness is lower. It solves the problem that air ow affects lm-forming quality in traditional ultrasonic spraying with the air ow beam method. It provides a theoretical basis and scienti c guidance for the application of electrostatic-assisted ultrasonic atomization technology in the atomization and lm preparation industry.

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Section: Liquid Physicochemicalmentioning

confidence: 99%

Investigation of electrostatic-assisted ultrasonic atomization and spraying

Yang,

Yuan,

Zhang

et al. 2024

Int J Adv Manuf Technol

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show abstract

“…[10,11,14,[17][18][19] The concept of TP was recently extended to diverse twin monomers by using a variety of organic building blocks, which are suitable for step-growth polymerization and/or simultaneous TP (= STP), in which a homogenous mixture of two different twin monomers are polymerized at the same time. [13,[20][21][22] The obtained hybrids vary depending on the structural similarities between the two monomers: If the organic and/or inorganic moieties (i. e. Si(OR) 4 and Si(CH 3 )(CH 2 R alk )(OR) 2 ) of both monomers differ from each other, two to four homopolymers can be formed in a STP depending on the ability of the organic or the inorganic entities to form copolymers. In STP of twin monomers possessing identical structural moieties (e. g. in both salicylic alcoholates are the organic moiety) a homo-or a copolymer of the different entities can be obtained.…”

Section: Introductionmentioning

confidence: 99%

“…The concept of TP was recently extended to diverse twin monomers by using a variety of organic building blocks, which are suitable for step‐growth polymerization and/or simultaneous TP (=STP), in which a homogenous mixture of two different twin monomers are polymerized at the same time [13,20–22] . The obtained hybrids vary depending on the structural similarities between the two monomers: If the organic and/or inorganic moieties ( i. e .…”

Section: Introductionmentioning

confidence: 99%

Twin Polymerization: A Unique Strategy towards Versatile Functional Materials

Scharf,

Notz,

Lang

2023

Eur J Inorg Chem

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Twin polymerization (=TP), a non‐aqueous synthetic methodology for the preparation of inorganic‐organic hybrid materials, by using, for example, salicylic‐ or furfurylic‐functionalized main‐group elements and/or transition metal‐based twin monomers, results in the formation of interpenetrating phase (nano)domains in a single step. The chemical, analytical and physical properties including theoretical studies of the (co)polymerization process of the respective twin monomers, polymers and the as‐generated hybrid and composite materials are described. Furthermore, the synthesis of hierarchical materials such as carbon hollow spheres as well as the encapsulation of nanoparticles (=NPs) within them by applying TP is envisaged. TP gives access to a wide range of applications (e. g., coatings for a variety of substrates, textile functionalization, carbon materials for Li−S or redox‐flow batteries) which will be discussed herein. The use of NP‐decorated hybrid and composite materials and nanoparticular MgO as catalysts in heterogeneous catalysis is reported as well.

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Investigation of electrostatic-assisted ultrasonic atomization and spraying

Yang¹,

Yuan

Zhang³

et al. 2023

Preprint

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Ultrasonic atomization technology has been widely used in industry in recent years due to its higher atomization efficiency. This paper proposes a method of electrostatic-assisted ultrasonic atomization spraying and designs a special ultrasonic power supply that can directly introduce high-voltage static electricity onto the surface of the ultrasonic atomization so that the liquid can contact the charge and enhance the charging effect. This paper conducts numerical simulation analysis on the atomization process and statistically analyzes the numerical simulation atomization particle size through image processing. In addition, this paper designs experiments from two aspects of atomization particle size and film-forming effect. The results show that the experimental results are consistent with the numerical simulation results, verifying the accuracy of the numerical simulation results. It shows that in the process of sub-droplet formation, the introduction of static electricity will increase the number of capillary waves, promote two mechanisms of the capillary pinch-off mechanism and the Rayleigh-Plain instability, reduce atomization particle size, and increase atomization efficiency. Compared with the traditional airflow beam method, the film-forming surface quality of the electric field beam method is higher and the surface roughness is lower. It solves the problem that airflow affects film-forming quality in traditional ultrasonic spraying with the airflow beam method. It provides a theoretical basis and scientific guidance for the application of electrostatic-assisted ultrasonic atomization technology in the atomization and film preparation industry.

show abstract

Macromol. Chem. Phys. 22/2016

Cited by 3 publications

References 0 publications

Investigation of electrostatic-assisted ultrasonic atomization and spraying

Investigation of electrostatic-assisted ultrasonic atomization and spraying

Twin Polymerization: A Unique Strategy towards Versatile Functional Materials

Investigation of electrostatic-assisted ultrasonic atomization and spraying

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