搜索结果: 1-15 共查到“工学 Poly”相关记录75条 . 查询时间(0.109 秒)
Green plasticizers derived from epoxidized soybean oil for poly (vinyl chloride): Continuous synthesis and evaluation in PVC films
Green plasticizers Micro-flow system Continuous synthesis Mechanical performance
2024/1/12
In this paper, the epoxidation process and the ring-opening reaction were integrated to develop an efficient bio-based plasticizer in a continuous flow mode. Four novel plasticizers based on epoxidize...
High-strength and self-healable poly (acrylic acid) /chitosan hydrogel with organic-inorganic hydrogen bonding networks
Self-healing hydrogel Hydrogen bonding Organic-inorganic
2023/12/8
Bentonite?is a natural clay mineral with high cationic exchange properties and plays an important role in organic-inorganic composite hydrogels. We report an organic-inorganic cross-linked self-healin...
Crystallization kinetics and morphology of small concentrations of cellulose nanofibrils (CNFs) and cellulose nanocrystals (CNCs) melt-compounded into poly(lactic acid) (PLA) with plasticizer
Poly(lactic acid) Nucleation Nanocellulose Avrami kinetics Crystallization
2024/2/27
In the present study, very small concentrations of CNCs and CNFs were melt-compounded into PLA using a solvent-free process where poly(ethylene glycol) (PEG) was used to disperse the nanoparticles in ...
Rosin‐derived poly(vinyl chloride) plasticizer: Synthesis, structure, and properties
rosin-based polyacid esters Synthesis structure properties
2024/2/29
In this work, rosin‐based plasticizer was synthesized by Diels–Alder (DA) and esterification. First, the maleopimaric acid (RT) was obtained by DA between the double bond of rosin and maleic anhydride...
3D Printing of Poly(propylene fumarate) Oligomers: Evaluation of Resin Viscosity, Printing Characteristics and Mechanical Properties
3D Printing Poly(propylene fumarate) Oligomers Resin Viscosity
2024/2/29
Complex three-dimensional (3D) pore geometries, useful for tissue engineering scaffolds, can be fabricated via photo-crosslinking of resorbable poly(propylene fumarate) (PPF) resins using stereolithog...
Synthesis and Evaluation of Soy Fatty Acid Ester Estolides as Bioplasticizers in Poly(Vinyl Chloride)
Estolide Plasticizer PVC Soybean Oil Fatty Acid Esters
2024/3/4
Plasticizers are nonvolatile organic liquids that impart flexibility to polymers. Due to environmental, health, and safety reasons, the industry is looking for bioplasticizers to replace petroleum-der...
Soybean Oil Modified Bio-based Poly(vinyl alcohol)s via Ring-Opening Polymerization
Biodegradable properties Epoxidized soybean oil Modification Poly(vinyl alcohol)
2024/3/4
In this paper, a simple method to modify the poly(vinyl alcohol) (PVA) through ring-opening reaction of epoxidized soybean oil (ESBO), catalyzed by hydrochloric acid is reported. The effect of ESBO lo...
EFFECT OF SOLVENT COMPOSITION ON THE SULFONATION DEGREE OF POLY(PHENYLENE OXIDE) (PPO)
Poly(phenylene oxide) Sulfonation Solubility parameter
2016/3/25
This paper investigates the possibility of attaining sulphonated poly(phenylene oxide) (SPPO) with a relatively higher sulfonation degree. To achieve this aim, the approach we adopt is to improve the ...
Integrated multibody dynamics and fatigue models for predicting the fatigue life of poly-V ribbed belts
Fatigue Belt-Drive Life time Multibody Dynamics
2015/1/12
Belt-drives are used in many applications such as industrial machines, washing machines, and accessory drives for automobiles and other vehicles. Multibody dynamics/finite element numeri...
Toughening Semicrystalline Poly(Lactic Acid) By Morphology Alteration
Pure sciences Applied sciences Hydrolytic stability Morphology Poly(lactic acid) Rubbery Stereocomplex Toughening
2014/11/21
For the first time, a physical method based on polymer crystallization is employed, to overcome the inherent brittleness of poly (L-lactic acid) (PLLA) by kinetically trapping a low Tg continuous amor...
The influence of manganese-cobalt oxide/graphene on reducing fire hazards of poly(butylene terephthalate)
MnCo2O4–GNS hybrids Nanocomposites Thermal hazards Smoke hazards Poly butylene terephthalate
2015/3/24
By means of direct nucleation and growth on the surface of graphene and element doping of cobalt oxide(Co3O4) nano-particles, manganese–cobalt oxide/graphene hybrids (MnCo2O4–GNS) were synthesized tor...
采用差示扫描量热法（DSC）、热重法（TG-DTG）和密闭爆发器试验研究了RDX/POLY(BAMOAMMO) 基发射药在常压下的热分解与燃烧性能。结果表明，POLY(BAMOAMMO) 热分解反应过程可分为具有不同热效应的前后两个阶段：第一阶段为热效应突出的叠氮基团分解；第二阶段为热效应微弱的残余碳分子骨架热分解。RDX/POLY(BAMO-AMMO) 基发射药的热分解过程表现为明显的RDX热分...
Simultaneous and sensitive detection of dopamine and uric acid using a poly(L-methionine)/gold nanoparticle-modified glassy carbon electrode
Voltammetry Gold nanoparticle Poly Dopamine Uric acid
2014/3/8
A novel electrochemical sensor was fabricated by electrodeposition of gold nanoparticles on a poly(L-methionine) (PMT)-modified glassy carbon electrode (GCE) to form a nano-Au/PMT composite-modified G...
Poly(4-vinylpyridinium) perchlorate as an efficient solid acid catalyst for the chemoselective preparation of 1,1-diacetates from aldehydes under solvent-free conditions
Poly(4-vinylpyridinium) perchlorate Chemoselective Supported catalyst Acylation Aldehyde
2014/3/8
Poly(4-vinylpyridinium) perchlorate has been used as a supported, recyclable, environmentally-benign catalyst for the formation of acylals from aliphatic and aromatic aldehydes in good to excellent yi...
Poly(vinyl chloride)-supported Pd(Ⅱ) complex as an efficient catalyst for Heck and Cu-free Sonogashira reactions under aerobic conditions
Heck reaction Sonogashira reaction Aryl halide Poly(vinyl chloride)-anchored palladium(Ⅱ) dithizone complex
2014/3/8
A novel poly(vinyl chloride)-supported Pd complex was found to be a highly active catalyst for the Heck and Sonogashira reactions of aryl halides under aerobic conditions. The complex is thermally sta...