Wan-Ling Lu's research while affiliated with Tatung University and other places
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Publications (5)
A high-content starch/low-density polyethylene (LDPE) blend with acceptable biodegradation and mechanical properties was produced by adjusting the compatibility of the blend system and processing plasticisation through the compatibiliser and different processing method. Two kinds of compatibilisers, maleic anhydride grafted LDPE after plasma treatm...
A new method of producing ultrafine grain size material has been investigated in this paper, which is sandglass extrusion. The experiments have been carried out using a die with a sandglass shape. Due to the symmetry of the die cavity, the shape of the billet can remain unchanged, the billet can be extruded repeatedly and large strain can be realiz...
In this investigation, maleic anhydride(MA) and glycerol(GA) as the processing additive to improve the processing ability of biodegradable low-density polyethylene/tapioca starch (LDPE/TS) blends were studied. The influence of plasma treatment of LDPE (PLDPE) and the influence of MA adding method on the properties of LDPE/TS blends were also invest...
The aim of this article was to determine a suitable method and optimal conditions for grafting of acrylamide (AAm) monomer onto the surface of high-density polyethylene (HDPE). We studied argon plasma treatment of HDPE (PHDPE) and AAm graft copolymerization (AAm-g–PHDPE) using thermal induction with or without adding an initiator, benzoyl peroxide...
Argon (Ar) plasma pretreated high-density polyethylene (PHDPE) was grafted with acrylic acid (AAc-g-PHDPE) using benzoyl peroxide (BPO) as an initiator and alcohol as a solvent. Effects of plasma treatment time, plasma power, and storage time on CO/CO ratio of PHDPE were studied. Effects of initiator concentration and reaction time on percent gra...
Citations
... Initially, the blend composed of starch and MA-g-PLDPE was dissolved in glycerol before compounding. An esterification reaction occurred as a result of the reaction between the carboxyl group of the hydrolyzed MA and the hydroxyl from glycerol [83] . Hence, as the amount of compatibilizer increased, the PE shape became more circular while the reduction of the PE particles increased. ...
... The development of PU hydrogels is similar to PU surface modification for the improvement in biocompatibility, where the hydrophilicity of the PU surface is enhanced using the graft polymerization of AA or poly(ethylene glycol) acrylate [9,10] onto the PU surface because the initiation step proceeds under mild conditions without requiring a high-energy source, such as γ-ray irradiation [11], electron and ion beams [12], or plasma [13]. We intended to use the graft polymerization technique on the PU surface to develop a water-absorbing hydrogel-like PU using N,N-dimethylaminoethyl methacrylate (DAMA) as the basic monomer and acrylic acid (AA) as the acidic monomer. ...
... When applied to PE, a number of factors can influence the surface chemistry of implants: the voltage, type of gas and flow rate, and plasma power can all strongly influence the amount of oxygen absorbed into the polymer surface [123]. Extensive research has demonstrated the efficacy of plasma-based techniques to improve and tune the wettability of PE surfaces [124,125]. ...
Reference: Biomedical applications of polyethylene
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... First successful implementations of these principles were introduced in 1980s [17,18]. Since then, many SPD methods, e.g., equal-channel angular pressing (ECAP) [19][20][21][22][23], high pressure torsion (HPT) [24][25][26][27][28][29][30], severe torsional straining (STS) [31][32][33][34], accumulated roll-bonding (ARB) [35][36][37][38][39][40], multi-directional forging (MDF) [41,42], cyclic extrusion compression (CEC) [43][44][45][46], repetitive corrugation and straightening (RCS) [47][48][49][50], twist extrusion (TE) [51][52][53], constrained groove rolling (CGR) [54], constrained groove pressing (CGP) [55] and so on, have been developed. Among them, CGR, RCS, ARB, CGP are utilized to process sheet metals. ...
... PP underwent various pretreatments before biodegradation steps in most previous studies, except one study 4 . The pre-treatment techniques employed varies from UV [10][11][12] , γ-irradiation 13,14 and heat treatment 11,15 . Pretreatments are essential to decrease the polymer's hydrophobicity, making it susceptible to microorganisms' attacks. ...
