Macro‐mechanism of polyvinyl chloride shrink sleeves embossed marking

Кондратов, А. П.; Volinsky, Alex A.; Jia, Chen

doi:10.1002/app.43691

Cited by 5 publications

(4 citation statements)

References 11 publications

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“…This prevents deformation of the printed film as well. Therefore, the best quality of the final label is provided [ 7 , 36 ] In a hot air environment, printed conductive inks shrink much slower. The hot air surrounds the samples evenly on all sides, and the shrinking process is slow and gentle.…”

Section: Resultsmentioning

confidence: 99%

Conductive Layers on a Shrinkable PET Film by Flexographic Printing

et al. 2022

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In this study, the extremely important and difficult topic of flexographic printing on a heat-shrinkable substrate was taken up. Six commercially available, electrically conductive inks based on silver, copper and graphite nanoparticles were selected and tested upon their applicability for printing on the temperature-sensitive PET material. As a printing substrate, the one-direction heat-shrinkable PET film, with a maximum shrinkage of 78%, was selected. All of the examined inks were subjected to the printing process throughout three different anilox line screens. The tested inks, along with the electric paths printed with them, were subjected to various tests. The main parameters were evaluated, such as printability combined with the rheology tests and ink adhesion to the examined PET substrate together with the electrical conductivity before and after the shrinkage.

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Section: Resultsmentioning

confidence: 99%

Conductive Layers on a Shrinkable PET Film by Flexographic Printing

et al. 2022

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“…The responses are of relatively complex dynamics (see Figure 9); hence, the second-order model (34) with finite zeros is selected for S 11 (s) and S 12 (s):…”

Section: Resultsmentioning

confidence: 99%

“…are measured. − However, ad hoc recommendation and manipulation patterns rather than rigorous control algorithms for ventilation have been provided. Temperature control serves to achieve the desired shrinkage and relief markings when producing commodities covered by shrink polymeric materials inside hot-air tunnels; nevertheless, particular control laws remain unknown. Some researchers investigated the microclimate of greenhouses, as a subclass of hot-air tunnels, for control purposes .…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation and Control of a Hot-Air Tunnel with Improved Performance and Energy Saving

et al. 2021

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The paper is focused on the identification, control design, and experimental verification of a two-input two-output hot-air laboratory apparatus representing a small-scale version of appliances widely used in the industry. A decentralized multivariable controller design is proposed, satisfying control-loop decoupling and measurable disturbance rejection. The proposed inverted or equivalent noninverted decoupling controllers serve for the rejection of cross-interactions in controlled loops, whereas open-loop antidisturbance members satisfy the absolute invariance to the disturbances. Explicit controller-structure design formulae are derived, and their equivalence to other decoupling schemes is proven. Three tuning rules are used to set primary controller parameters, which are further discretized. All the control responses are simulated in the Matlab/Simulink environment. In the experimental part, two data-acquisition, communication, and control interfaces are set up. Namely, a programmable logic controller and a computer equipped with the peripheral component interconnect card commonly used in industrial practice are implemented. A simple supervisory control and data acquisition human−machine interface via the Control Web environment is developed. The laboratory experiments prove better temperature control performance measured by integral criteria by 35.3%, less energy consumption by up to 6%, and control effort of mechanical actuator parts by up to 17.1% for our method compared to the coupled or disturbance-ignoring design in practice. It was also observed that the use of a programmable logic controller gives better performance measures for both temperature and air-flow control.

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“…A heat-shrinkage film with superhydrophobic and anti-ultraviolet (UV) properties can be used to coat the blades of wind turbines, thus avoiding the adhesion between frost and blades. Heat-shrinkable polyvinyl chloride (HSPVC) film has been widely used in various fields such as building materials and packaging industry [3,4], owing to its unique shrinkable properties, high transparency, excellent glossiness, strong mechanical strength, and outstanding self-stickiness [5]. However, the poor UV resistance of the HSPVC films has severely limited their practical applications in long-term outdoor coatings.…”

Section: Introductionmentioning

confidence: 99%

Superhydrophobic Polytetrafluoroethylene/Heat-Shrinkable Polyvinyl Chloride Composite Film with Super Anti-Icing Property

et al. 2019

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Wind power generation is an environmentally friendly way to produce electricity, but wind turbine blades that are prone to freeze in winter will reduce the efficiency of the generator. Therefore, the preparation of anti-icing blades is important and essential. Herein, anti-icing polytetrafluoroethylene (PTFE)/heat-shrinkable polyvinyl chloride (HSPVC) composite film was prepared by depositing a PTFE coating on the surface of HSPVC film via vacuum thermal evaporation. HSPVC films were pretreated respectively by argon and carbon tetrafluoride (CF4) plasma cleaning to introduce new groups and change their surface energy. After that, PTFE coating with a thickness of about 4 μm was deposited on the surface of HSPVC, obtaining a superhydrophobic surface with an apparent water contact angle of 150°. The results demonstrated that the breaking strength of the PTFE/HSPVC composite film using CF4 plasma pretreatment decreased by only 3.47% after exposing to ultraviolet light with the power of 1000 W for 5 min, suggesting an excellent anti-ultraviolet property. Furthermore, compared with the pristine films, the PTFE/HSPVC composite films exhibited better adhesive strength, super anti-icing property even after 10 icing–deicing cycles, and excellent dynamic anti-icing performance. The PTFE/HSPVC composite film with good adhesive strength, anti-ultraviolet, and anti-icing properties has prospective applications in packaging of wind turbine blades.

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Macro‐mechanism of polyvinyl chloride shrink sleeves embossed marking

Cited by 5 publications

References 11 publications

Conductive Layers on a Shrinkable PET Film by Flexographic Printing

Conductive Layers on a Shrinkable PET Film by Flexographic Printing

Experimental Investigation and Control of a Hot-Air Tunnel with Improved Performance and Energy Saving

Superhydrophobic Polytetrafluoroethylene/Heat-Shrinkable Polyvinyl Chloride Composite Film with Super Anti-Icing Property

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