Subjects -> MANUFACTURING AND TECHNOLOGY (Total: 362 journals)
    - CERAMICS, GLASS AND POTTERY (31 journals)
    - MACHINERY (34 journals)
    - MANUFACTURING AND TECHNOLOGY (223 journals)
    - METROLOGY AND STANDARDIZATION (5 journals)
    - PACKAGING (19 journals)
    - PAINTS AND PROTECTIVE COATINGS (4 journals)
    - PLASTICS (42 journals)
    - RUBBER (4 journals)

PLASTICS (42 journals)

Showing 1 - 41 of 41 Journals sorted alphabetically
ACS Applied Polymer Materials     Hybrid Journal   (Followers: 15)
Acta Polymerica     Hybrid Journal   (Followers: 10)
Additives for Polymers     Full-text available via subscription   (Followers: 22)
Advanced Industrial and Engineering Polymer Research     Open Access   (Followers: 5)
Advances in Polymer Technology     Open Access   (Followers: 15)
Chinese Journal of Polymer Science     Hybrid Journal   (Followers: 13)
Cirugia Plastica Ibero-Latinoamericana     Open Access  
Current Applied Polymer Science     Hybrid Journal   (Followers: 3)
European Polymer Journal     Hybrid Journal   (Followers: 46)
High Performance Polymers     Hybrid Journal   (Followers: 1)
International Journal of Biobased Plastics     Open Access   (Followers: 1)
International Journal of Polymeric Materials     Hybrid Journal   (Followers: 6)
International Polymer Processing     Full-text available via subscription   (Followers: 2)
Iranian Journal of Polymer Science and Technology     Open Access   (Followers: 1)
Journal of Applied Polymer Science     Hybrid Journal   (Followers: 213)
Journal of Cellular Plastics     Hybrid Journal  
Journal of Elastomers and Plastics     Hybrid Journal   (Followers: 1)
Journal of Inorganic and Organometallic Polymers and Materials     Hybrid Journal   (Followers: 11)
Journal of Plastic Film and Sheeting     Hybrid Journal   (Followers: 1)
Journal of Polymer Research     Hybrid Journal   (Followers: 8)
Journal of Polymer Science Part C : Polymer Letters     Hybrid Journal   (Followers: 6)
Journal of Polymers and the Environment     Hybrid Journal   (Followers: 1)
Majalah Kulit, Karet, dan Plastik     Open Access  
Microplastics and Nanoplastics     Open Access   (Followers: 2)
Plasmas and Polymers     Hybrid Journal  
Plastic and Polymer Technology     Open Access   (Followers: 42)
Plastic and Reconstructive Surgery     Hybrid Journal   (Followers: 37)
Plastics Engineering     Partially Free   (Followers: 4)
Polymer     Hybrid Journal   (Followers: 248)
Polymer Bulletin     Hybrid Journal   (Followers: 9)
Polymer Engineering & Science     Hybrid Journal   (Followers: 16)
Polymer Science Series B     Hybrid Journal   (Followers: 5)
Polymer Science Series C     Hybrid Journal   (Followers: 4)
Polymer Science Series D     Hybrid Journal   (Followers: 4)
Polymer Science, Series A     Hybrid Journal   (Followers: 4)
Polymer-Plastics Technology and Materials     Hybrid Journal   (Followers: 5)
Polymers and Polymer Composites     Hybrid Journal   (Followers: 5)
Polymers from Renewable Resources     Hybrid Journal  
Progress in Rubber, Plastics and Recycling Technology     Hybrid Journal   (Followers: 2)
Reinforced Plastics     Full-text available via subscription   (Followers: 18)
SPE Polymers     Open Access   (Followers: 1)
Similar Journals
Journal Cover
Journal of Cellular Plastics
Journal Prestige (SJR): 0.565
Citation Impact (citeScore): 2
Number of Followers: 0  
 
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 0021-955X - ISSN (Online) 1530-7999
Published by Sage Publications Homepage  [1164 journals]
  • Patents

    • Free pre-print version: Loading...

      Pages: 565 - 608
      Abstract: Journal of Cellular Plastics, Volume 57, Issue 5, Page 565-608, September 2021.

      Citation: Journal of Cellular Plastics
      PubDate: 2021-09-11T03:53:26Z
      DOI: 10.1177/0021955X211044104
      Issue No: Vol. 57, No. 5 (2021)
       
  • Application of computed tomography data–based modelling technique for
           polymeric low density foams, Part A: Model development

    • Free pre-print version: Loading...

      Authors: Anna Hössinger-Kalteis, Martin Reiter, Michael Jerabek, Zoltán Major
      Abstract: Journal of Cellular Plastics, Ahead of Print.
      In this research study, a methodology is introduced for generating finite element simulation models for low density closed cell foams based on computed tomography (CT) measurement results. Creating this kind of simulation models can be very expensive with regard to modelling and computational effort. Hence, a combined modelling technique based on CT data and Voronoi diagrams is developed that minimizes this effort, but nevertheless, generates simulation models with a realistic microstructure. In this article, the generation of simulation models using this modelling method and the necessary adaptation of the models concerning microstructural features to consider, for example, anisotropic properties of the foam, are described. Furthermore, simulations are performed to investigate the mechanical performance of the foam models and to compare the results with several analytical models and experimental data. Finally, conclusions regarding the applicability and possible further extensions of the model are provided.
      Citation: Journal of Cellular Plastics
      PubDate: 2021-06-29T06:20:54Z
      DOI: 10.1177/0021955X211028166
       
  • A machine learning approach to estimate the strain energy absorption in
           expanded polystyrene foams

    • Free pre-print version: Loading...

      Authors: Alejandro E Rodríguez-Sánchez, Héctor Plascencia-Mora
      Abstract: Journal of Cellular Plastics, Ahead of Print.
      Traditional modeling of mechanical energy absorption due to compressive loadings in expanded polystyrene foams involves mathematical descriptions that are derived from stress/strain continuum mechanics models. Nevertheless, most of those models are either constrained using the strain as the only variable to work at large deformation regimes and usually neglect important parameters for energy absorption properties such as the material density or the rate of the applying load. This work presents a neural-network-based approach that produces models that are capable to map the compressive stress response and energy absorption parameters of an expanded polystyrene foam by considering its deformation, compressive loading rates, and different densities. The models are trained with ground-truth data obtained in compressive tests. Two methods to select neural network architectures are also presented, one of which is based on a Design of Experiments strategy. The results show that it is possible to obtain a single artificial neural networks model that can abstract stress and energy absorption solution spaces for the conditions studied in the material. Additionally, such a model is compared with a phenomenological model, and the results show than the neural network model outperforms it in terms of prediction capabilities, since errors around 2% of experimental data were obtained. In this sense, it is demonstrated that by following the presented approach is possible to obtain a model capable to reproduce compressive polystyrene foam stress/strain data, and consequently, to simulate its energy absorption parameters.
      Citation: Journal of Cellular Plastics
      PubDate: 2021-05-29T11:36:34Z
      DOI: 10.1177/0021955X211021014
       
  • Characteristics of pre-strained polyisocyanurate foam: Deformation
           recovery and compressive mechanical behavior at cryogenic temperature

    • Free pre-print version: Loading...

      Authors: Seul-Kee Kim, Jeong-Dae Kim, Dong-Ha Lee, Jeong-Hyeon Kim, Jae-Myung Lee
      Abstract: Journal of Cellular Plastics, Ahead of Print.
      In this study, mechanical characteristics of pre-strained polyisocyanurate foam were investigated based on the uniaxial compression test. The compression test procedure was divided into two steps: pre-straining and the typical compression test for the recovered specimen. To evaluate the effect of pre-straining, four different compressive strains were considered, and the temperature and the strain rate dependencies on its mechanical characteristics were analyzed. Test results showed that the recovery ratio decreased substantially for 0.85 (ambient temperature) and 0.25 (cryogenic temperature), and polyisocyanurate foam pre-strained at cryogenic temperature revealed an earlier start of densification. Based on the deformation mechanism of the polymeric foam, the collapse of cells in the pre-strained polyisocyanurate foam was addressed to explain the distinguished features in compressive mechanical characteristics regarding test conditions.
      Citation: Journal of Cellular Plastics
      PubDate: 2021-05-26T05:54:41Z
      DOI: 10.1177/0021955X211020293
       
  • Solid-state foaming of acrylonitrile butadiene styrene through
           microcellular 3D printing process

    • Free pre-print version: Loading...

      Authors: Rupesh Dugad, G Radhakrishna, Abhishek Gandhi
      Abstract: Journal of Cellular Plastics, Ahead of Print.
      The lightweight products with superior specific strength are in great demand in numerous applications such as automotive, aerospace, biomedical, sports, etc. This work focussed on the manufacturing of lightweight products using the cellular three dimensional (3D) printing process. In this work, the continuous microcellular morphology has been developed in a single foamed filament using 3 D printing of carbon-di-oxide (CO2) saturated acrylonitrile butadiene styrene (ABS) filaments. The microcellular structures with average cell size in the range of 6–1040 µm were developed. The influence of printing parameters; nozzle temperature, feed rate, and flow rate on the foam characteristics and cell morphology at different levels were investigated. The different kinds of observed foamed extrudate irregularities were discussed.
      Citation: Journal of Cellular Plastics
      PubDate: 2021-05-05T04:59:25Z
      DOI: 10.1177/0021955X211009443
       
  • Morphological, thermal and mechanical properties of recycled HDPE foams
           via rotational molding

    • Free pre-print version: Loading...

      Authors: Yao Dou, Denis Rodrigue
      Abstract: Journal of Cellular Plastics, Ahead of Print.
      In this study, foamed recycled high density polyethylene (rHDPE) parts were produced by rotational molding using different concentration (0 to 1% wt.) of a chemical blowing agent (CBA) based on azodicarbonamide. From the samples produced, a complete morphological, thermal and mechanical characterization was performed. The morphological analysis showed a gradual increase in the average cell size, while the cell density firstly increased and then decreased with increasing CBA content. As expected, increasing the CBA content decreased the foam density as well as the thermal conductivity. Although increasing the CBA content decreased both tensile and flexural properties, the impact strength showed a similar trend as the cell density with an optimum CBA content around 0.1% wt. Finally, neat rHDPE samples were also produced by compression molding. The results showed negligible differences between the rotomolded and compression molded properties indicating that optimal rotomolding conditions were selected. These results confirm the possibility of using 100% recycled polymers to produce rotomolded foam parts.
      Citation: Journal of Cellular Plastics
      PubDate: 2021-04-30T04:54:02Z
      DOI: 10.1177/0021955X211013793
       
  • Cellular Bi2O3/natural rubber composites for light-weight and lead-free
           gamma-shielding materials and their properties under gamma irradiation

    • Free pre-print version: Loading...

      Authors: Phakamat Limarun, Teerasak Markpin, Narongrit Sombatsompop, Ekachai Wimolmala, Kiadtisak Saenboonruang
      Abstract: Journal of Cellular Plastics, Ahead of Print.
      This work investigated the effects of a radiation-protective filler, namely bismuth oxide (Bi2O3), and blowing agents, namely azodicarbonamide (ADC) and oxy-bis (benzene sulfonyl) hydrazide (OBSH), on gamma attenuation and the mechanical, physical, and morphological properties of cellular natural rubber (NR) composites for potential use as light-weight and lead-free gamma-shielding materials. The contents of Bi2O3 were varied from 100 to 300 and 500 parts per hundred of rubber by weight (phr) and the contents of ADC or OBSH were varied from 0 to 8 and 16 phr. The results indicated that the addition of Bi2O3 enhanced the overall gamma-shielding ability, density, tensile modulus, and hardness (Shore OO), but lowered the tensile strength and elongation at break. On the other hand, the addition of ADC or OBSH resulted in decreases in the density, linear attenuation coefficient (μ), and overall tensile properties but an increase in the mass attenuation coefficient (μm), with ADC producing better mechanical properties than samples with OBSH. In addition, investigations on the properties of the cellular Bi2O3/NR composites under additional 35 kGy and 70 kGy gamma irradiation revealed that the irradiated samples had increased density, tensile modulus, and hardness (Shore OO), but decreased tensile strength, elongation at break, and μm after such ageing. In conclusion, the overall results suggested that the developed cellular Bi2O3/NR composites not only had efficient and promising gamma-shielding and mechanical properties but also offered comfort and light-weight to users, which could potentially reduce discomforts caused by wearing heavier conventional radiation-protective equipment.
      Citation: Journal of Cellular Plastics
      PubDate: 2021-04-27T04:10:34Z
      DOI: 10.1177/0021955X21997353
       
  • Effect of tris(1-chloro-2-propyl)phosphate in combination with aluminum
           hypophosphite and melamine polyphosphate on flame retardancy and thermal
           decomposition of rigid polyurethane foams

    • Free pre-print version: Loading...

      Authors: Daifang Xu, Kejing Yu, Kun Qian, Weiguo Zhao
      Abstract: Journal of Cellular Plastics, Ahead of Print.
      RPUF with tris(1-chloro-2-propyl)phosphate (TCPP), melamine polyphosphate (MPP) and aluminum hypophosphite (AHP) alone, as well as their binary and ternary blends, were prepared via a one-step process. The effect of TCPP in combination with AHP and MPP on flame retardancy and thermal decomposition in the RPUF has been investigated. The results show that adding TCPP, MPP and AHP into RPUF simultaneously can significantly ensure the uniform cell structure, enhance the compressive strength, thermal stability and fire resistance of RPUF, decrease the thermal conductivity, the release of toxic HCN at high temperature. TGA results indicate that partial substitution of TCPP with MPP and AHP could improve the char residue. When the content of TCPP is 10 wt%, the optimal ratio of MPP and DPER was 1/2, the TCPP10/MPP3.3/AHP6.7/RPUF sample reached a V1 rating in vertical UL-94 test with a limiting oxygen index of 27.4%. The compressive strength and specific compressive strength (compressive strength/density) for TCPP10/MPP3.3/AHP6.7/RPUF sample increased about 82.6% and 44.3% compared to that of pure RPUF, respectively. The cone calorimeter test results showed that adding EG, MPP and AHP into RPUF simultaneously can significantly decrease the heat release rate (HRR), total heat release (THR) and smoke emission behavior of RPUF sample. Based on these facts, a potential flame-retardant mechanism was proposed.
      Citation: Journal of Cellular Plastics
      PubDate: 2021-04-07T06:56:23Z
      DOI: 10.1177/0021955X211001957
       
  • Evaluating the gas-laden ability of polymer melt under atmospheric
           conditions using a modified torque rheometer

    • Free pre-print version: Loading...

      Authors: Xing-Yu Mei, Ying-Guo Zhou, Hong-Long Sun, Bin-Bin Dong, Chun-Tai Liu, Lih-Sheng Turng
      Abstract: Journal of Cellular Plastics, Ahead of Print.
      To investigate the effects of incorporating gas and the associated influencing factors on polymer melt, a method of evaluating the gas-laden ability using modified rheometric measurements was proposed. In this study, common and widely used thermoplastic materials—polypropylene (PP) and high-density polyethylene (HDPE), and their blends with different weight ratios—were selected, and the rheological properties of neat melt and gas-laden melts were tested using a modified torque rheometer. The foamed samples were also produced using a regular injection-molding machine, and the foamed morphology was examined by scanning electron microscope (SEM). The comparison of rheological curves of neat melt and gas-laden melt indicated that the incorporation of gas influenced the rheological properties of the gas-laden polymer melts as evidenced by a decrease of zero-rotational torque and an increase in the melt flow index. The results also suggested that the gas-laden ability of polymer melt could be evaluated quantitatively by the decay (due to desorption) of gas using the modified rheological measurement method. This study also demonstrated that the gas-laden ability can be used to predict the foaming behavior of polymer melts.
      Citation: Journal of Cellular Plastics
      PubDate: 2021-03-06T05:55:06Z
      DOI: 10.1177/0021955X21997351
       
  • Melamine-formaldehyde rigid foams – Manufacturing and their thermal
           insulation properties

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      Authors: Miha Kavšek, Nataša Figar, Igor Mihelič, Matjaž Krajnc
      Abstract: Journal of Cellular Plastics, Ahead of Print.
      The manufacturing of novel melamine-formaldehyde rigid foam material, by blowing the melamine-formaldehyde (MF) resin emulsion with pentane and further catalytic and thermal curing, is presented in this work. The process of foaming is described in terms of particular process parameters, which are; the proportions of blowing, curing, emulsifying agents. The examination of the foam, by SEM images, shows that the foam pore sizes are in the range from 150 to 250 µm. The thermal characterization of the obtained foams, is described in terms of thermal conductivity contributions of solid, gas and radiation conduction to total thermal conductivity at atmospheric and vacuum condition. The foam with densities from 50 to 80 kg/m3 achieve thermal conductivity at an atmospheric pressure of 33–34 mW/(m × K), while in a vacuum of 6–7 mW/(m × K). Compared to other organic polymer foams, MF foams have superior fire resistance and chemical stability. The innovation of MF rigid foams presented here, compared to other well-known MF flexible foam, is in their rigid structure, combined with low density and thermal conductivity, which makes this particular foam potentially useful in the manufacture of vacuum insulation panels (VIP).
      Citation: Journal of Cellular Plastics
      PubDate: 2021-02-28T04:24:55Z
      DOI: 10.1177/0021955X21997348
       
  • Exfoliated two-dimensional molybdenum disulfide reinforced epoxy syntactic
           foams

    • Free pre-print version: Loading...

      Authors: AV Ullas, D Kumar, PK Roy
      Abstract: Journal of Cellular Plastics, Ahead of Print.
      In this paper, we report the effect of introducing molybdenum disulfide (MoS2) nano-platelets: a two-dimensional metal chalcogenide, on the mechanical properties of hollow glass microballoon (HGM)–epoxy syntactic foams. MoS2 reinforced syntactic foams were prepared by mixing MoS2 nanoplatelets to epoxy containing HGMs; with the amount of MoS2 being varied from 0.01 to 0.04% v/v, while maintaining a constant total filler volume fraction of 40% for all compositions. The mechanical behaviour of reinforced syntactic foam was studied under varied loadings including compressive, tensile and flexural under different strain rate regimes. Introduction of MoS2 led to significant improvements in characteristic mechanical properties, particularly in terms of compressive strength and toughness, which suggest intercalation of MoS2 within the epoxy matrix; however, the presence of relatively larger MoS2 micro particles couldn’t be completely negated. The toughness of the foam, as indicated by the area under the compressive stress-strain curve, was found to increase by ∼21% under optimal conditions. Our results highlight the potential of the two-dimensional MoS2 sheets as a reinforcing agent in syntactic foams.
      Citation: Journal of Cellular Plastics
      PubDate: 2021-01-29T04:47:00Z
      DOI: 10.1177/0021955X20987155
       
  • Eco-friendly composites of polyurethane and sheath palm residues

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      Authors: Noelle C Zanini, Alana G de Souza, Rennan FS Barbosa, Derval S Rosa, Daniella R Mulinari
      Abstract: Journal of Cellular Plastics, Ahead of Print.
      This work prepared eco-friendly biocomposites of polyurethane (PU) and sheath palm residues, using castor oil as a polyol. PU composites filled with natural fibers were prepared at different loading rates: 0 to 20 wt.%. Results indicated that the sheath palm was hydrogen-bonded to PU chains and increased the foams' density. Pore size decreased with an increase in fiber content, from 256 to 116 µm. The fiber's addition improved the ductility of PU foams (compressive modulus from 4.74 to 0.26 MPa) and the foams' crystallinity index (from 5.4 to 15.4%). Compared to pristine PU, the composites showed high hydrophobicity (reaching 123° of contact angle for PU-15%) and thermal stability (Tonset from 96 to 96.3°), and high density (from 41 to 60 kg.m−3), making the developed composites an excellent option for environmental applications, such as oil removal and contaminant adsorption.
      Citation: Journal of Cellular Plastics
      PubDate: 2021-01-20T07:16:28Z
      DOI: 10.1177/0021955X20987150
       
  • The effect of organofluorine additives on the morphology, thermal
           conductivity and mechanical properties of rigid polyurethane and
           polyisocyanurate foams

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      Authors: Cosimo Brondi, Ernesto Di Maio, Luigi Bertucelli, Vanni Parenti, Thomas Mosciatti
      Abstract: Journal of Cellular Plastics, Ahead of Print.
      This study investigates the effect of liquid-type organofluorine additives (OFAs) on the morphology, thermal conductivity and mechanical properties of rigid polyurethane (PU) and polyisocyanurate (PIR) foams. Foams were characterized in terms of their morphology (density, average cell size, anisotropy ratio, open cell content), thermal conductivity and compressive as well as flexural properties. Based on the results, we observed that OFAs efficiently reduced the average cell size of both PU and PIR foams, leading to improved thermal insulating and mechanical properties.
      Citation: Journal of Cellular Plastics
      PubDate: 2021-01-18T05:38:40Z
      DOI: 10.1177/0021955X20987152
       
  • In situ synthesis of CO2 adducts of modified polyethylenimines in
           polyether polyols for polyurethane foaming

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      Authors: Shuai Yuan, Yuanzhu Long, Xingyi Xie
      Abstract: Journal of Cellular Plastics, Ahead of Print.
      CO2 adducts from hydrophobically-modified polyethylenimines (PEIs) in powder form are newly-developed environment-friendly blowing agents for polyurethanes (PUs). However, they are difficult to disperse into foaming systems that usually contain polyether polyols as the PU soft segments. Herein, we employ mixtures of di(propylene glycol) monomethyl ether-grafted polyethylenimines (DPG-PEIs) and poly(propylene glycol) (PPG) polyols to absorb CO2, with in situ formation of the CO2 adduct particles as PU blowing agents. Their CO2 saturation degrees, revealed by thermogravimetry, scatter in the range of 93–98%. The DPG side chains tend to be exposed at the particle–matrix interface to stabilize the particles. In addition, some PPG oligomers in the matrix might entangle with the CO2 adduct macromolecules during the in situ particle formation. The entangled PPG chains could further stabilize the suspending particles. The high grafting rate and high molecular weight of the PEI backbones could result in small particles, which largely thicken the foaming systems. The optimized blowing agents, with grafting rates between 5% and 8% and PEI backbone molecular weights not higher than 10k Da, show particle sizes from several hundreds of nanometers to ∼1 μm. The resultant foams demonstrate densities below 50 kg/m3 and compressive strengths over 200 kPa, comparable to the values from industrial foams. This in situ CO2 adduction has potential as a universal method suitable for PU foaming at an industrial scale.
      Citation: Journal of Cellular Plastics
      PubDate: 2021-01-12T04:18:09Z
      DOI: 10.1177/0021955X20987153
       
 
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