urethane相关论文
<正> Ⅰ. INTRODUCTION Recently, grafted polymers used as a non-thrombogenic material have been prepared by graft copolym......
Synthesis of polyethylenimine grafted with copolymers of polyethylene glycol and polycaprolactone an
Copolymers mPEG-PCL were prepared and grafted onto polyethylenimine(PEI) to synthesize copolymers mPEG-PCL-g-PEI with lo......
A novel hyperbranched poly(urethane-tetrazole)(HPUTZ) was synthesized via the “A2+BB2’ ” approach using hexadiisocyan......
Design,synthesis and characterization of novel poly(urethane-urea) based on a macrodiol from poly(la
A series of novel poly(urethane-urea)(PUU) was synthesized from poly(lactide-co-p-dioxanone) macrodiol(HO-P(LA-co-PDO)-O......
Preparation,Structure,and Properties of Polyurethane Foams Modified by Nanoscale Titanium Dioxide wi
TiO2-based nanosheets (TiNSs), TiO2-based nanotubes (TiNTs) were prepared by hydrothermal processing, and polyurethane f......
Polylactide(PLA) was successfully toughened by blending with bio-based poly(ester)urethane(TPU) elastomers which contain......
The urethane reaction of o-hydroxybenzyl alcohol with phenyl isocyanate was monitored with in situ FT-IR.Dibutyltin dila......
PEG Assisted Hydrothermal Synthesis of β-Na YF_4:Yb~(3+),Er~(3+) Microrods for Upconversion Photolum
β-Na YF4:Yb3+,Er3+ microrods with average length of 10 μm and diameter of 2.5 μm were synthesized through hydrotherma......
Toughening of Poly(propylene carbonate) by Carbon Dioxide Copolymer Poly(urethane-amine) via Hydroge
A carbon dioxide copolymer poly(urethane-amine)(PUA) was blended with poly(propylene carbonate)(PPC) in order to improve......
Self-healing poly(urea-urethane)s (PUUs) showing a tolerance to mechanical damage are particularly desirable for high-pe......
In the paper, a new biodegradable polyurethane(PU, PU-I) was prepared: the prepolymer was synthesized via bulk ring-open......
Among the intrinsically conductive polymers, polyanilines have been of great interest in the past decades due to their w......
AT_1 receptor in rostral ventrolateral medulla mediating blunted baroreceptor reflex in spontaneousl
AIM: To determine the role of AT 1 receptor in the rostral ventrolateral medulla (RVLM) in mediating the blunted barorec......
Effects of NF-κB activation and TNF-α expression on heart failure after myocardial infarction in rat
Objective: To study the effects of nuclear factor-κB(NF-κB) activation and tumor necrosis factor-α(TNF-α) expressio......
Improved Cardiac Contractility of Human Recombinant Growth Hormone on the Congestive Heart Failure o
The enhanced cardiac contractility effect of human recombinant growth hormone (hr-GH) on the congestive heart failure (C......
Polyethers could form hydroperoxide under air-oxidation or photo-oxidation in the presence of H_2O_2. The scission of e......
A new method of graft copolymerization of acrylamide (AAM) on poly(ether-urethane) (PEU) which was prepared from poly(t......
POLYIONIC COMPLEXES DERIVED FROM POLYVINYL ALCOHOL Ⅱ. WATER ABSORBILITY AND ANTITHROMBOGENECITY OF P
Effect of both structure of substituents and degree of substitution of polyions derived from poly-vinyl alcohol on wate......
A study of the efficacy of L-3,5-diiodotyrosine and inorganic iodine in iodine-deficiency Wistar rat
Objective To study the efficacy of L-3,5-diiodotyrosine(DIT)and inorganic iodine(KIO_3)in iodine-deficiency Wistar rats.......
用激光Raman光谱研究了三种不同晶型的2,4-已二炔-1,6二醇的双苯异氰酸酯(HDPU)的聚合,发现不同晶型的HDPU的聚合活性与其C=C伸缩......
Drastic import increaseChina entered the adipic acid industry ratherlate but development has been rapid.China’scapacit......
On January 8th,2008 Bayer Material Science marked the groundbreaking for a new polyurethane systems house in Guangzhou,......
用原子力显微镜研究了聚氨酯 /NaClO4复合物的微观形貌。结果表明，在氧钠摩尔比为 12时，体系存在一个形态转变点，聚氨酯软、硬段相容......
The growth and structure of anionic micelles of sodium dodecyl trioxyethylene sulfate (AES) in the presence of multivale......
Surface-modified poly(butadiene)urethane (PBTU) films with silk fibroin (SF) were prepared by simple chemical method und......
Polyether-tailored phosphite modified rhodium complex formed in situ was highly active in the hydroformylation of oleyl ......
Poly(ε-caprolactone) (PCL) with different molecular weights was synthesized and characterized by a gelpermeation chrom......
The hydrogen bond percentage and its temperature dependence of the three TPU samples synthesized from polytetrahydrofura......
The microstructure of polyurethane foam is disordered, which influences the foam heat conduction process significantly. ......
Polyurethane nano-coatings were prepared by adding nano-concentrates with nanometer zinc oxide (nano-ZnO) to polyurethan......
Mechanical ventilation (MV) is a dual blade sward which if misused could lead to lung injury, called ventilator induced ......
交感神经及脑干某些运动核区在一定条件下呈现呼吸节律同步性放电以及丘脑下部前区存在呼吸相关神经元的研究,已有工作,至于边縁......
实验动物的麻醉方法较多,各有利弊。对鸡的麻醉目前报导不多,我室在1987年对135只纯种来航鸡应用乌拉坦进行了麻醉,成功的完成了......
CONTRIBUTION OF CAPSAICIN-SENSITIVE PRIMARY AFFERENT-MEDIATED NEUROGENIC RESPONSES TO THE BEE VENOM-
Aim: The bee venom (BV) model has been proved to be a good one to study the inflammatory pain, because subcutaneous inj......
Objective:Thisexperimentwasperformedto investigatethecalcificationof thecryopreservedaorticand pulmonaryhomograftsquanti......
Summary: To study the effects of different pH HEPES-KH reperfusate solution on immature myocardial protection, isolated......
CURE CHARACTERISTICS OF HYDROXYL TERMINATED POLYBUTADIENE PREPOLYMER WITH BLOCKED TOLUENE DIISOCYANA
Cure characteristics of hydroxyl terminated polybutadiene (HTPB) prepolymer with avariety of blocked toluene diisocyana......
利用 X 光小角散射法研究了反应注射成型聚氨酯/乙烯基酯树脂互穿聚合物网络的化学键效应。结果表明,该化学键效应对材料的形态与......
A new methodology was advanced that mesogenic cores appeared after theformation of urethane groups and during the monome......
Polyamide 1010(PA1010)/thermoplastic poly(ether urethane) elastomer(ether-based TPU) blends were prepared via melt extru......
The toughening of the diglycidyl ether of bisphenol A epoxy resin with isocyanate-terminated polyethers(ITPE)was investi......
The aqueous biphasic hydroformylation of oleyl alcohol was achieved under thermo-regulated phase transfer catalysis (TR......
(A)PHYSICALCHEMISTRYAComparisonofabinitioCalculationMethodsontheStructureofNH3 …H2 OHydrogen bondedCluster ………......
Headquartered in Nanjing city,Jiangsuprovince,Nanjing Hongbaoli Co.,Ltd.(Hongbaoli,SZ:002165) is specially engagedin re......
Dimethyl formamide (DMF) as an importantchemical raw material and a solvent with excellentproperties is mainly used as ......
【正】 Schedule for eliminatingHCFCs is tightenedThe environmental problem has become afocus of attention in various cou......
It has been well known that fluorinated polyurethanes exhibit uniquely low surface energy, biocompatibility and biostabi......
