Results 21 to 30 of about 1,457 (255)

Foam Polyethylene Made of Recycled Polyethylene

open access: yesIOP Conference Series: Materials Science and Engineering, 2021
Abstract The paper deals with the main principles of foam polyethylene production by the addition of recycled polyethylene and a modifier in the initial mixture. Obtaining of the modified foam polyethylene will accomplish two important tasks: solve the environmental problem of recycling polyethylene waste and reduce the cost of the ...
O B Lyapidevskaya   +2 more
openaire   +1 more source

Chain-Extended Polyethylene [PDF]

open access: yesPolymer Journal, 1987
The current status of high-strength/high-modulus polyethylene fibres is reviewed with the emphasis on fundamental aspects of ultra-drawing and processability. The drawing mechanism as well as the temperature dependence of the drawability of UHMW-PE (ultra-high-molecular-weight polyethylene) will be discussed.
Lemstra, P. J.   +2 more
openaire   +1 more source

Direct Synthesis of Polyethylene Thermoplastic Elastomers Using Hybrid Bulky Acenaphthene-Based α-Diimine Ni(II) Catalysts

open access: yesMolecules, 2023
Recently, polyolefin thermoplastic elastomers can be obtained directly using ethylene as a single feedstock via α-diimine nickel-catalyzed ethylene chain walking polymerization.
Hui Wang   +3 more
doaj   +1 more source

Ultra-strong long-chain polyamide elastomers with programmable supramolecular interactions and oriented crystalline microstructures

open access: yesNature Communications, 2019
Long-chain polyamides could bridge the gap between traditional polyamides and polyethylenes. Here the authors show the preparation of diamide diene monomers derived from natural resources coupled by thiol-ene addition copolymerization to form long-chain ...
Lingzhi Song   +6 more
doaj   +1 more source

Fast fix or false hope? Polyethylene exchange in unstable primary unconstrained total knee arthroplasty

open access: yesBone & Joint Open
Aims: Instability is a leading cause of revision after primary total knee arthroplasty (TKA). Isolated polyethylene exchange (IPE), typically involving increased insert thickness, is considered a fast and low-risk treatment option.
Yannik Hanusrichter   +6 more
doaj   +1 more source

Comparison of the influence of Cu micro- and nano-particles on the thermal properties of polyethylene/Cu composites

open access: yeseXPRESS Polymer Letters, 2009
Polyethylene (LDPE, LLDPE and HDPE) composites with different copper (micro- and nano-sized particles) contents were prepared by melt mixing and compression moulding.
doaj   +1 more source

Dimensional analysis of total hip arthroplasty polyethylenes

open access: yesRevista Brasileira de Ortopedia, 2013
Objective: This paper performs a dimensional analysis of different total hip arthroplasty polyethylenes, cemented and non-cemented, Brazilian made and imported. Methods: It was considered acetabular components with 50 mm for the 28 mm femoral heads.
Carlos Roberto Schwartsmann   +6 more
doaj   +1 more source

Correlation of Polymerization Conditions with Thermal and Mechanical Properties of Polyethylenes Made with Ziegler-Natta Catalysts

open access: yesInternational Journal of Polymer Science, 2014
In this study, the synthesis of polyethylenes has been carried out with titanium-magnesium supported Ziegler-Natta catalysts in laboratory-scale reactors.
M. Anwar Parvez   +4 more
doaj   +1 more source

Valosin‐containing protein counteracts ATP‐driven dissolution of FUS condensates through its ATPase activity in vitro

open access: yesFEBS Letters, EarlyView.
Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura   +2 more
wiley   +1 more source

Salmonella lipopolysaccharide‐containing supported lipid bilayers as platforms to study bacteriophage interactions

open access: yesFEBS Letters, EarlyView.
We present robust protocols for the preparation of supported lipid bilayers (SLBs) incorporating either Salmonella smooth LPS or outer membrane vesicles (OMVs). We use a combination of quartz crystal microbalance with dissipation (QCM‐D) and fluorescence microscopy to both characterize the SLBs of various compositions and to probe their interactions ...
Hudson P. Pace   +6 more
wiley   +1 more source

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