Results 31 to 40 of about 59,979 (318)

Novel Green resource material: Eucommia Ulmoides Gum

open access: yesResources Chemicals and Materials, 2022
Eucommia ulmoides gum (EUG), main composition is trans-1,4-polyisoprene, is a natural polymer extracted from Eucommia ulmoides plant tissue. Benefiting from the crystallization ability and rubber-plastic duality, it can be applied to a variety of fields,
Donghan Li   +7 more
doaj   +1 more source

Stress-strain behavior and corresponding crystalline structures of four types of polyethylene under a wide range of strain rates

open access: yesPolymer Testing, 2022
Stress-strain behavior of four types of polyethylene (PE), i.e. low-density polyethylene (LDPE), linear low-density polyethylene (LLDPE), medium-density polyethylene (MDPE) and high-density polyethylene (HDPE), under a wide strain rate ranging from 0.001
Tiange Zhu   +5 more
doaj   +1 more source

Über die Synthese von Polyätherester-Block-Copolymeren

open access: yesCHIMIA, 1974
Segmented polyether esters prepared by ester interchange from dimethyl terephthalate, polyalkylene ether glycols and 1.4-butane-diol represent a novel class of thermoplastic high performance elastomers.
G.K. Hoeschele
doaj   +1 more source

Application progress of ionic liquid modified graphene in rubber

open access: yesHecheng xiangjiao gongye, 2022
The modification methods of ionic li-quid on graphene in recent years were reviewed. The application status and progress of ionic liquid modified graphene in improving mechanical properties, thermal stability, electrical conductivity, thermal ...
KAN Ming-zhu; ZHENG Long; XU Zong-chao; LIU Li; WEN Shi-peng
doaj   +1 more source

Evaluation of Different Methods for Determining the Entrance Pressure Drop in Capillary Rheometry

open access: yesApplied Rheology, 2008
Two approaches for determining the entrance pressure drop in capillary rheometry were compared with low-density polyethylene and polystyrene melts as test fluids. Direct measurements with the orifice die were found to yield higher values for the entrance
Aho Johanna, Syrjälä Seppo
doaj   +1 more source

Silica Surface-Modification for Tailoring the Charge Trapping Properties of PP/POE Based Dielectric Nanocomposites for HVDC Cable Application

open access: yesIEEE Access, 2020
This paper focuses on novel insulation polypropylene/poly(ethylene-co-octene) (PP/POE) nanocomposites for High Voltage Direct Current (HVDC) cable application.
Xiaozhen He   +8 more
doaj   +1 more source

Compliance-Based Determination of Fatigue Design Curves for Elastomeric Adhesive Joints

open access: yesEng, 2023
A compliance-based method for the determination of fatigue design curves for elastomeric adhesive joints is developed and validated. Fatigue experiments are conducted on elastomeric adhesives (a polyurethane and a silane-modified polymer) under different
Pedro Henrique Evangelista Fernandes   +4 more
doaj   +1 more source

Dynamics of nematic elastomers [PDF]

open access: yesPhysical Review E, 2004
13 pages, 2 figures, version to appear in Phys.
Tom C. Lubensky, Olaf Stenull
openaire   +3 more sources

Power generation of dielectric elastomer generator with diaphragm configuration under triangular harvesting cycle

open access: yesMechanical Engineering Journal, 2020
The energy conversion performance of the dielectric elastomer generator (VHB 4905 acrylic elastomer, 3M) was investigated with the diaphragm configuration.
Zhen-Qiang SONG   +3 more
doaj   +1 more source

Effect of Primary Packaging Material on the Stability Characteristics of Diazepam and Midazolam Parenteral Formulations

open access: yesPharmaceutics, 2022
Diazepam and midazolam are formulated in autoinjectors for parenteral administration to decrease seizures in the case of emergency. However, the compatibility of these lipophilic drugs with the primary packaging material is a key part of drug formulation
María José Rodríguez Fernández   +2 more
doaj   +1 more source

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