Polyimide相关论文
采用均苯四甲酸二酐(PMDA)、4,4′-二胺基二苯甲烷(MDA)以及侧基含联苯和己基的二胺(TBCA)三元共聚制备了聚酰亚胺垂直取向剂,摩擦......
以聚酰亚胺薄膜为靶子,用高电导硅作为衬底,KrF准分子激光器作为辐射光源,利用脉冲激光沉积技术制备出了类石墨薄膜,并以该薄膜为......
采用两种单体同时蒸发沉积聚合方法制备得到聚酰亚胺(PI)薄膜。对不同温度下和不同恒温时间的聚酰胺酸(PAA)薄膜进行了红外分析,将3......
From fundamental understanding to innovative developments of high-performance composites for aerospa
In framework of the National Key Basic Research Program (973 Program) we focus our attention on R&D of (1) continuous en......
Improved breakdown strength and energy density of polyimide composites by interface engineering betw
Conventionally,interface effects between polymers and fillers are essential for determining the breakdown strength and e......
Enhanced Potassium?Ion Storage of the 3D Carbon Superstructure by Manipulating the Nitrogen?Doped Sp
Potassium-ion batteries (PIBs) are attractive for gridscale energy storage due to the abundant potassium resource and hi......
Deposition of In2O3 nanofibers on polyimide substrates to construct high-performance and flexible tr
Flexible trimethylamine sensor has been realized based on In2O3 nanofibers via electrospinning and a deposition techniqu......
Polyimide (PI) synthesized from aromatic diamine and dianhydrides via two-step poly-condensation method was highly solub......
Exploring the friction and wear behaviors of Ag–Mo hybrid modified thermosetting polyimide composite
Polyimide composites have been extensively used as motion components under extreme conditions for their thermal stabilit......
One-step preparation of polyimide-inlaid amine-rich porous organic block copolymer for efficient rem
A novel polyimide-inlaid amine-rich porous organic block copolymer (PI-b-ARPOP) was prepared via one-step polymerization......
综述了近年来石墨、石墨烯和碳纳米管这3种碳材料与聚酰亚胺(PI)形成复合膜的研究成果。阐述了制备PI复合膜各个阶段采用的不同方......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
聚酰亚胺薄膜是目前已经工业化的高分子材料中耐热性最好的品种,具有优越的综合性能。常规热老化应用已经成熟,但实验周期长。通过......
采用水热法一步制备氨基铁酞菁包覆的Fe_3O_4的磁性纳米微球,并采用红外、XRD等对其结构进行表征。利用其端氨基接枝共聚到聚酰亚......
聚酰亚胺具有很多优异的性能,如良好的耐热性和耐腐蚀性、优良的电学性能和机械性能,近些年来已被广泛用于军事工业、机械工业、电......
甘从军,江雪微,董杰,赵昕,张清华(东华大学材料科学与工程学院纤维材料改性国家重点实验室,上海201620)以4,4′-(六氟异丙烯)二酞......
采用化学环化方法制备不同酰亚胺化程度的聚酰胺酸-聚酰亚胺(PAA-PI),通过红外光谱、热失重分析对其结构和性能进行了表征,发现产......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Synthesis and Characterization of Aramid Fiber-Reinforced Polyimide/Carbon Black Composites and Thei
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
报道了采用标准CMOS工艺制作的格栅型上电极的电容型湿度传感器,采用高分子材料聚酰亚胺作为感湿介质,铝作为金属电极.对该湿度传......
A Comparative Investigation of the Tribological Behavior of Short Fiber Reinforced Polyimide Composi
The friction and wear behavior of high performance polyimide (PI) and its composites reinforced with short cut fibers su......
Polyimide-alumina hybrid films were synthesized via in situ polymerization and thermal imidation process from a solution......
Synthesis of novel aromatic polyimides containing bulky side chain for vertical alignment liquid cry
In this study, a novel 4-(4-octyloxybenzoyloxy)biphenyl-3,5-diaminobenzoate and polyimides based on it were synthesized.......
Influence of Steric Hindrance Between Hydrogen Atoms of Linkage Groups and Adjacent Phenyls on Prope
A diamine monomer 4,4-methylenedianiline(MDA) was introduced to modify the polyimide of pyromellitic dianhydride(PMDA) a......
先进复合材料国防科技重点实验室在拥有自主知识产权的"离位"增韧新概念基础上,成功开发了兼具优异工艺性和高抗冲击损伤性的航空......
借助于PAA(poly(amide acid),聚酰胺酸)与Ag纳米粒子的相互作用以及PAA的线团构象,以原位合成的Ag/PAA纳米复合溶液为基础,采用低温化......
A new technique was proposed to determine the coefficient of thermal expansion (CTE) of thin films at low temperature. D......
A novel experimental route to fabricate porous polyimide membranes(PPMs)with ideal air permeability was reported.The pol......
以蜜胺泡沫体为模板,采用氟化聚酰业胺制备了微孔泡沫炭.测定了其对环境中水气的吸附/脱附行为,发现:泡沫炭在空气中400℃活化1 h,......
Synthesis and Characterization of New Polyimide Containing Calix[4]arenes in the Polymer Backbone wi
New polyimide containing cvalix[4]arene moieties on the polymer backbone was successfully synthesized in N-methyl-2-pyrr......
从分子设计出发,用不同的二胺单体和相同的二酐单体合成聚酰胺酸并制备聚合物膜。采用热重、热重-质谱、红外和X射线光电子能谱分......
The nano-Al2O3/polyimide composite adhesive was prepared by high-energy chemical and mechanical handing in this paper. T......
Barium titanate (BaTiO3) powders with particle sizes of 30~50 nm were prepared from barium stearate, titanium alkoxides a......
A kind of hybrid polyimide films was prepared by synthesizing poly( amic acid ) /Silica matrix resin through sol-gel tec......
Two aromatic polyimides were prepared by twostep way.Firstly,the poly (amic acid) s were synthesized from 1,3-bis(4-amia......
A Novel Diamine, 4′-Phenylphenyl 4-(3″, 5″-Diaminobenzoyloxy)- benzoate and Longer Side-chain Polyim
This is a part of our systematic research work on polyimides with mesogenic unit side chain. In this study, a new 4′-ph......
A new aromatic asymmetrical ether diamine, 1,4-bis(3′,4″-diaminophenoxy)benzene 3was synthesized in three steps, using......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
在3,3′,4,4′-联苯四甲酸二酐(BPDA)-4,4′-二氨基二苯醚(ODA)型聚酰亚胺(PI)基体中引入2-甲基咪唑钴(ZIF-67)作为纳米填料,制备......
首先以六方氮化硼(h-BN)微粉及绢云母微粉(Mica)为原料,通过冻融循环结合超声工艺剥离出氮化硼纳米片(BNNS)及云母纳米片(MNS);之......
近年来,随着电子设备的小型化、轻量化,高导热石墨膜材料受到广泛关注。本文综述了聚酰亚胺(PI)基石墨膜材料的制备,详细介绍了石......
芳香聚酰亚胺具有优异的物理化学性能,已广泛应用于航空、航天、分离膜、纳米、液晶、微电子等诸多领域。而2,2’-二(三氟甲基)-4,......
为充分利用聚酰亚胺的电学、防辐射和耐高低温性能,将其应用于航空航天、电气电工领域,通过空心锭纺纱方法纺制出聚酰亚胺长丝与超细......
为了研究偶联剂对聚酰亚胺/SiO2杂化膜相分离及热分解温度的影响,以聚酰亚胺(HQDPA-ODA)为基体,正硅酸乙酯(TEOS)为添加剂,γ-缩水甘油丙氧......
采用聚酰胺酸(PA)-N/N-二甲基乙酰胺(DMAC)或PA—SiO2颗粒-DMAC涂膜液涂敷,通过300℃亚胺化或800℃碳化处理,对α—A12O3中空纤维膜进行......
对热模压成型的聚酰亚胺(PI)试样在MHK-500型环-块摩擦试验机上测试了不同载荷P(N)、摩擦速度V(m·s-1)情况下,摩擦系数μ与摩......
采用溶胶-凝胶法(Sol-Gel)制备了二氧化硅不同质量分数的聚酰亚胺/二氧化硅(PI/SiO2)纳米复合薄膜.并用TEM、力学性能、吸水性能及......