Zhongjie Zheng, Mingliang Wu, Yang Li, Zhiyu Yu, Xiaodan Teng, Chuanhui Xu,
... Herein, we propose a concept of self-healing masterbatch which can effectively endow rubber matrix with self- ... a facile processing method. We design this rubber masterbatch equipped with a mass of carboxyl groups by ... rubber and 2-methacrylic acid. Then the rubber masterbatch can be mixed with rubber matrix and simultaneously ... Zn 2+ via its neutralization reaction with the masterbatch. After a controlled peroxide-induced vulcanization, the chains of masterbatch are grafted onto the chains of rubber matrix ...
Tópico(s): Advanced Sensor and Energy Harvesting Materials
2022 - Elsevier BV | Composites Part B Engineering
Oskars Platnieks, А. П. Середа, Sergejs Gaidukovs, Vijay Kumar Thakur, Anda Barkāne, Gerda Gaidukova, Inese Fiļipova, Andrejs Ogurcovs, Velta Fridrihsone,
... under solution conditions and its use as a masterbatch for melt blending. The proposed masterbatch process strategy is a very promising manufacturing technique for nanocomposites. Herein, we show the preparation of masterbatch with NFC with a very high loading of ... 15 wt.% have been prepared by diluting the masterbatch and compared to conventional solvent casting. The masterbatch process significantly reduced overall solvent usage and improved ... 20 °C) compared to the neat PBS, while masterbatch processed samples showed even higher overall mechanical properties – ...
Tópico(s): Electrospun Nanofibers in Biomedical Applications
2021 - Elsevier BV | Industrial Crops and Products
Sarawut Prasertsri, Nittaya Rattanasom,
... natural rubber (NR) latex for preparing silica/NR masterbatches. The coagulated silica/NR masterbatches with 10–30 parts of silica per hundred ... damping properties of the vulcanizates prepared from the masterbatches were compared with those prepared by a conventional ... observed for the compounds prepared from silica/NR masterbatches. Without Si-69, the silica/NR masterbatches having more than 10 phr of silica exhibited ... to the better silica dispersion in silica/NR masterbatches. Additionally, the masterbatch composite without silane exhibited comparable ...
Tópico(s): Grouting, Rheology, and Soil Mechanics
2011 - Elsevier BV | Polymer Testing
... with different amounts of expanded graphite (EG) based masterbatches. Conductive composites were obtained by diluting PE and PS masterbatches with 60 wt% content of expanded graphite. These masterbatches were readily dispersed into the molten HDPE matrix ... measurements showed a reduced percolation threshold by this masterbatch filling technique while the resulting composites were 2– ... encapsulated by PE or PS carriers in these masterbatches which leads to a better EG dispersion in ... been studied for the nanocomposites as prepared by masterbatch process. The results depended greatly on the dispersion ...
Tópico(s): Carbon Nanotubes in Composites
2007 - Wiley | Polymer Engineering and Science
A melt mixing masterbatch process for preparing nylon 6 nanocomposites that provides good exfoliation and low melt viscosities has been investigated. It is ... is explored here. In the first step, a masterbatch of organoclay in HMW nylon 6 is prepared ... to give exfoliation. In the second step, the masterbatch is diluted with LMW nylon 6 to the ... the effect of the clay content in the masterbatch on the morphology and physical properties of the ... physical properties of the nanocomposites prepared by the masterbatch approach lie between those of the corresponding composites ...
Tópico(s): biodegradable polymer synthesis and properties
2004 - Elsevier BV | Polymer
Changjie Yin, Qiuyu Zhang, Daolin Gong,
Silica/styrene butadiene rubber (SBR) masterbatches were prepared by co-coagulating SBR latex and silica aqueous suspension. The X-ray diffraction patterns and scanning electron microscopy were ... content and utilization of silica of silica/SBR masterbatches were also investigated. The highest content of silica ... and mechanical properties of vulcanizates prepared from the masterbatches were compared with those prepared by a conventional ... time, and better swelling resistance of silica/SBR masterbatches were obtained than conventional silica filled composites. The ...
Tópico(s): Polymer Nanocomposite Synthesis and Irradiation
2013 - Wiley | Polymer Composites
Lin Zhidan, Zishou Zhang, Zhenzhen Huang, Mai Kan-cheng,
Abstract Nano‐CaCO 3 /polypropylene (PP) masterbatch containing above 80 wt % nano‐CaCO 3 was prepared by nano‐CaCO 3 coated PP modified by reactive monomers. The chemical interaction, ... thermal stability, morphology, and surface contact angle of masterbatch were investigated with IR, DSC, TEM, TGA, ESCA, ... was coated by PP graft copolymers in the masterbatch modified by reactive monomers. The graft ratio and crystallization and melting behavior of PP in the masterbatch depended on the type and content of reactive ...
Tópico(s): biodegradable polymer synthesis and properties
2006 - Wiley | Journal of Applied Polymer Science
Rapeeporn Srisuk, Laongdaw Techawinyutham, Sanjay Mavinkere Rangappa, Suchart Siengchin, Rapeephun Dangtungee,
... of this study is to develop polymer composite masterbatches by using poly(lactic) acid as a carrier ... antioxidant and dispersing agent were added to the masterbatches where the antioxidant improves thermal and ultraviolent stability of pigment masterbatches while dispersing agent enhances the distribution and dispersion ... particles in the polymer matrix. The natural pigment masterbatches were diluted in the poly(lactic) acid matrix. ... studied. It was concluded that natural pigment charcoal masterbatches can make good bamboo charcoal particles/poly(lactic) ...
Tópico(s): Nanocomposite Films for Food Packaging
2020 - Wiley | Polymer Composites
Sang‐Hyub Lee, Cho-Rong Oh, Dai-Soo Lee,
... study, a highly concentrated graphite nanoplate (GNP)/polyol masterbatch was prepared by the exfoliation of natural graphite ... nanocomposites by simple dilution. The polyol in the masterbatch efficiently prevented the aggregation of GNPs during the ... nanocomposite. In addition, the dispersed GNPs in the masterbatch exhibited rheological behavior of lyotropic liquid crystalline materials. ... manufacture and application methods of the GNP/polyol masterbatch were discussed, enabling the facile manufacture of the ...
Tópico(s): Fiber-reinforced polymer composites
2019 - Multidisciplinary Digital Publishing Institute | Nanomaterials
Jamileh Shojaeiarani, Dilpreet S. Bajwa, Nicole M. Stark,
This study systematically evaluated the influence of masterbatch preparation techniques, solvent casting and spin-coating methods, on composite properties. Composites were manufactured by combining CNCs masterbatches and PLA resin using twin screw extruder followed ... used to investigate the dispersion of CNCs in masterbatches and composites. Thermal, thermomechanical, and mechanical properties of ... showed superior dispersion of CNCs in spin-coated masterbatches compared to solvent cast masterbatches. At lower CNCs ...
Tópico(s): Nanocomposite Films for Food Packaging
2018 - Elsevier BV | Carbohydrate Polymers
Bei Su, Ying‐Guo Zhou, Haihong Wu,
... its main shortcomings. In this study, a filler masterbatch including nano-silicon dioxide, compatibilizer, lubricant agent, and ... polyethylene composite parts with different content of filler masterbatch were fabricated and tested for mechanical properties at ... improved simultaneously with the addition of the filler masterbatch. The results also suggest that the compatibility of ... phases increases with the increase in the filler masterbatch, and the crystal size decreases and distribution uniforms owing to the addition of the filler masterbatch. Furthermore, it was also found that there is ...
Tópico(s): Polymer Nanocomposite Synthesis and Irradiation
2017 - SAGE Publishing | Nanomaterials and Nanotechnology
Igor Burmistrov, Nikolay Gorshkov, И. А. Ильиных, Dmitry S. Muratov, Еvgeny Kolesnikov, E. A. Yakovlev, И. Н. Мазов, J.-P. Issi, Денис Кузнецов,
... into the polymer matrix either in high concentrations (masterbatch) or as an additive in small quantity (dilution source of masterbatches in a polymeric binder). Masterbatches containing a 5–20% by weight of CNTs ... frequency dependence of the AC electrical conductivity of masterbatches and dilute composites were measured. It has been shown that the introduction of masterbatches containing 10 wt% of CNT provides a more efficient reinforcement of the composite than those using masterbatches with 5 and 20 wt% of CNTs. It ...
Tópico(s): Conducting polymers and applications
2017 - Elsevier BV | Composites Science and Technology
Laura Arboleda‐Clemente, Ana Ares‐Pernas, X. García, Sonia Dopico, M. J. Abad,
... produced by melt dilution technique using two commercial masterbatches where MWCNTs are pre-dispersed in PA66 and ... 75 and 50/50). The influence of both masterbatch and polyamide ratio on microstructure of CNT composites ... nanocomposites are rheologically percolated, those prepared from PA6 masterbatch show higher stiffness. The highest conductivity value corresponds ... in co-continuous blend morphology. Comparing the different masterbatches, the best electrical results are obtained with PA6 masterbatch, probably due to the fact that its lower ...
Tópico(s): Dielectric materials and actuators
2016 - Elsevier BV | Synthetic Metals
Asghar Habibnejad Korayem, Mohammad Reza Barati, George P. Simon, Xiao Ling Zhao, Wenhui Duan,
... two different forms of carbon nanotubes (powder and masterbatch) were investigated. Composites were prepared by loading the surface-modified CNT powder and/or CNT masterbatch into either ductile or brittle epoxy matrices. The results show that 3 wt.% CNT masterbatch enhances Young’s modulus by 20%, tensile strength ... microscopy images, it was observed that the CNT masterbatch was uniformly distributed indicating the pre-dispersed CNTs in the masterbatch allow an easier path for preparation of CNT- ...
Tópico(s): Tribology and Wear Analysis
2014 - Elsevier BV | Composites Part A Applied Science and Manufacturing
Samira Benali, Giuliana Gorrasi, Leïla Bonnaud, Philippe Dúbois,
... alternative strategies involving poly(ε-caprolactone) (PCL)/organoclay masterbatches were explored to investigate the possibility to prepare ... properties. In the first strategy, a PCL/organoclay masterbatch with high inorganic content was obtained by melt-blending (coined "free PCL" masterbatch), whereas in the second strategy PCL-grafted organoclay ... alkylammonium cations bearing hydroxyl functions (coined "nanohybrid PCL" masterbatch). These highly-filled PCL masterbatches (with ca. 25 wt% in inorganics) were then ...
Tópico(s): biodegradable polymer synthesis and properties
2013 - Elsevier BV | Composites Science and Technology
Dana Kubies, Jaroslav Ščudla, R. Puffr, Antonín Sikora, Josef Baldrián, Jana Kovářová, Miroslav Šlouf, František Rypáček,
Poly(ε-caprolactone) (PCL) masterbatches with the intercalated and the exfoliated morphology were prepared by ring opening polymerization of ε-caprolactone in the presence of ... lactide) (PLLA) nanocomposites with Cloisite 30B or PCL masterbatches were prepared by melt blending. The effects of ... particles in PLLA/Cloisite 30B and PLLA/intercalated masterbatch nanocomposites were intercalated. In contrary to expectations, the exfoliated silicate layers of exfoliated masterbatch were not transferred into the PLLA matrix. Due ...
Tópico(s): Polymer Nanocomposite Synthesis and Irradiation
2005 - Elsevier BV | European Polymer Journal
Hadj Benkreira, R. N. Britton,
... mixture quality. It is suggested that the ideal masterbatch melts before the host polymer and coats each ... points and melt viscosities, a set of model masterbatches was produced and used for injection moulding at ... this work are that the designer of a masterbatch must consider the melting ranges of the masterbatch and its host polymer, and their relative viscosities ... to optimise the ease of distribution of the masterbatch.
Tópico(s): Advanced machining processes and optimization
1994 - De Gruyter | International Polymer Processing
Ling Chen, Ke Wang, Mei Ling Toh, Chaobin He,
... reactive compounding approach, in which an epoxy based masterbatch consisting of 20 wt.‐% clay was introduced to ... of a maleic anhydride grafted PP (MAPP). The masterbatch was prepared using a recently developed “slurry compounding” ... tendencies with varying the content of MAPP or masterbatch. It is believed that the yield strength and ... of PP/clay nanocomposites prepared with epoxy based masterbatch. magnified image TEM micrograph of PP/clay nanocomposites prepared with epoxy based masterbatch.
Tópico(s): Polymer crystallization and properties
2005 - Wiley | Macromolecular Materials and Engineering
Gaukhar Zhumagalieva, В. Ф. Першин, Alexey Tkachev, A. D. Vorobiev, Alexandr Pasko, Evgeny Galunin,
... for modification of such substances using a graphene masterbatch. This masterbatch represents a mixture of low-viscosity oil and ... graphite exfoliation. In the present work, results of masterbatch preparation in a rod drum mill due to ... was achieved when using the 1-wt% standard masterbatch or the 10-15-wt% masterbatch obtained from the graphite.
Tópico(s): Lubricants and Their Additives
2018 - American Institute of Physics | AIP conference proceedings
Stefano Besco, Michele Modesti, Alessandra Lorenzetti,
... obtained by a two‐step process by concentrate masterbatch route. Concentrate masterbatch formulation and dilution have been investigated to correlate ... if a good dispersion/intercalation occurred regarding concentrate masterbatch, the probability of a further OMLS dispersion during the masterbatch dilution process depends remarkably on the extruder mixing ... with important consequences for the industrial application of masterbatch technology in net shape forming processes. POLYM. ENG. ...
Tópico(s): biodegradable polymer synthesis and properties
2012 - Wiley | Polymer Engineering and Science
Thanh Tung Nguyen, Van Khoi Nguyen, Thị Thu Hà Phạm, Thu Trang Pham, Trung Duc Nguyen,
... of some inorganic fillers in polyethylene (PE) matrix, masterbatches containing 20–40 wt% of stearic acid uncoated ... Two types of inorganic fillers used in the masterbatch included bentonite and silica. The structural change of ... LLDPE matrix was evaluated using scanning electron microscope (masterbatch samples) and optical microscope (film samples). Changes in ... treated fillers with stearic acid dispersed in the masterbatches and films better than untreated fillers did. Stearic ... change the melting temperature of the filler/PE masterbatches. The mechanical properties of the films containing stearic ...
Tópico(s): Natural Fiber Reinforced Composites
2021 - Multidisciplinary Digital Publishing Institute | Journal of Composites Science
Deniz Sema Sarul, Dogan Arslan, Emre Vatansever, Yusuf Kahraman, Ali Durmuş, Reza Salehiyan, Mohammadreza Nofar,
... Blend nanocomposites were formulated by diluting three different masterbatches prepared by solution casting method that contained 7 wt% of CNC. These masterbatches were: (m1) PLA/PBAT/CNC masterbatch; (m2) PLA/CNC masterbatch; and (m3) PBAT/CNC masterbatch. These were to explore how different preparation methods ...
Tópico(s): Nanocomposite Films for Food Packaging
2021 - | JOURNAL OF RENEWABLE MATERIALS
Szymon Mania, Mateusz Cieślik, Marcin Konzorski, Paweł Święcikowski, Andrzej Nelson, Adrianna Banach‐Kopeć, Robert Tylingo,
... According to hypothesis, the use of zinc- containing masterbatches in polyethylene films (PE) with different chemical nature— ... industrial scale containing zinc oxide and zinc stearate masterbatches were evaluated for antimicrobial activity against E. coli ... in the PE matrix. The use of both masterbatches in one material caused a synergistic effect of antimicrobial activity against both bacterial strains. The ZO masterbatch reduced the transparency of films, increased their UV- ... ability and improved tensile strength, while the ZS masterbatch did not significantly change the tested parameters. The ...
Tópico(s): Polymer Science and PVC
2020 - Multidisciplinary Digital Publishing Institute | Polymers
Jiarui Hou, Ming Zhong, Xiaolong Pan, Long Chen, Xiao Wu, Zhengqing Kong, Yuan Yuan, Shouke Yan, Jianming Zhang, Yongxin Duan,
... mechanical performance and 3D printability was fabricated via masterbatch procedure. For comparison, BIIR/PP-TPV without the compatibilizer was prepared via precompound procedure and masterbatch procedure, respectively. 3D printing properties, rheological, mechanical properties, ... three types of TPV were compared. In the masterbatch procedure, the even dispersion of curing agents and ... of PP-g-MA compatibilized TPV prepared by masterbatch procedure (mTPV-MA) are attributed to the low ...
Tópico(s): Injection Molding Process and Properties
2020 - Elsevier BV | Composites Part B Engineering
Gholamreza Pircheraghi, Amirhosein Sarafpour, Reza Rashedi, Kamal Afzali, Mohammad Adibfar,
... twin screw extruder by addition of carbon black masterbatches containing 35-40 wt% carbon black and different ... molecular weight distribution.Different properties of carbon black masterbatches and PE100 black compounds were evaluated using thermal, ... inverse correlation between melt flow index (MFI) of masterbatch samples and storage modulus, complex viscosity and shear ... postponed to higher shear rates.TGA indicated that masterbatch with highest value of MFI contained highest amount ...
Tópico(s): Polymer crystallization and properties
2017 - Budapest University of Technology and Economics | eXPRESS Polymer Letters
Davood Bagheriasl, Fatemeh Safdari, Pierre J. Carreau, Charles Dubois, Bernard Riedl,
A masterbatch of polylactide (PLA) containing cellulose nanocrystals (CNCs) prepared via a solution‐cast method was further diluted with ... of large agglomerates when using the PLA–CNC masterbatch. Transmission electron microscopy revealed the existence of well‐ ... within the PLA matrix at a nanoscale for masterbatch‐based nanocomposites. The rheological properties of the nanocomposites containing the PLA–CNC masterbatch were significantly increased for both steady and small‐ ... prepared via direct melt mixing. In addition, the masterbatch‐based nanocomposites exhibited pronounced overshoots in the transient ...
Tópico(s): Nanocomposite Films for Food Packaging
2017 - Wiley | Polymer Composites
Changzhen Liu, Shibing Ye, Jiachun Feng,
... properties. Here, we proposed a facile "freezing-dried masterbatch" strategy to fulfill the two goals simultaneously in ... resulting mixture was freezing-dried to get the masterbatch of PEG and graphene. By simply melt blending the masterbatch with pristine PLA, PLA composites with excellent mechanical ... graphene, the composite prepared using the freezing-dried masterbatch has a tensile stress of 61.6 MPa, ...
Tópico(s): Bone Tissue Engineering Materials
2017 - Elsevier BV | Composites Science and Technology
Produção Nacional
Revisado por pares
Douglas Alexandre Simon, Eveline Bischoff, G.G. Buonocore, Pierfrancesco Cerruti, Maria Grazia Raucci, Hesheng Xia, Henri Stephan Schrekker, Marino Lavorgna, Luigi Ambrosio, Raquel S. Mauler,
... inexpensive method for the production of graphene-based masterbatch via polymer-assisted shear exfoliation of graphite in ... along with a narrower size distribution. A mPVOH-masterbatch containing 4.38 wt% of graphene-like particles ... by melt processing. Films prepared by blending the masterbatch with polyvinyl alcohol in order to have a ... up a new pathway for using graphene-based masterbatch in the packaging industry.
Tópico(s): Advanced Sensor and Energy Harvesting Materials
2017 - Elsevier BV | Materials & Design
Sarawut Prasertsri, Nittaya Rattanasom,
... were used for preparing silica/natural rubber (NR) masterbatches via a latex system. Then, both types of dried silica/NR masterbatch were mixed with other rubber chemicals on a ... Also, the amount of silica loss in the masterbatches was clearly less than in silica-filled NR ... and the color of the uncompounded FSi/NR masterbatches was lighter than that of the PSi/NR masterbatches. Additionally, the compound viscosity, onset of crosslinking and ...
Tópico(s): Polymer Nanocomposite Synthesis and Irradiation
2012 - Elsevier BV | Polymer Testing
Minna Annala, Mika Lahelin, Jyri Seppälä,
... directly or by using an in situ polymerized masterbatch into a matrix polymer, polystyrene (PS) or poly( ... melt mixed CNTs or the use of the masterbatch.In contrast, the electrical resistivity of the composites ... PMMA and CNTs, the use of a tailored masterbatch had a significant effect on properties of the final composites.The molecular weight and viscosity of masterbatches can be varied and when the PMMA-masterbatch had optimized viscosity with respect to the PMMA ...
Tópico(s): Dielectric materials and actuators
2012 - Budapest University of Technology and Economics | eXPRESS Polymer Letters