Hbpda二酐
http://www.shliluo.com/Cn/Product/productDetail1/id/116.html Web3 gen 2024 · Enhancement of flame retardancy of a colorless and transparent semi-alicyclic polyimide (PI) film was carried out by the incorporation of phosphazene (PPZ) flame retardant (FR). For this purpose, PI-1 matrix was first synthesized from hydrogenated 3,3',4,4'-biphenyltetracarboxylic dianhydride (HBPDA …
Hbpda二酐
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Web3 gen 2024 · Highlights Two novel alicyclic dianhydrides, 3,4′-HBPDA and 3,3′-HBPDA, were successfully synthesized through a four-step procedure. Single-crystal X-ray diffraction results showed that 3,3′-HBPDA had higher structural rigidity/linearity than 4,4′-HBPDA. Web化学物质 环丁烷四甲酸二酐,英文缩写为CBDA (Cas: 4415-87-6),纯品为白色粉末状,熔点M. P>300度。 它是一种重要的医药和电子 化工材料 中间体。 中文名 环丁烷四甲 …
Web4,4'-(六氟异丙烯)二酞酸酐是一种化学物质,分子式是C19H6F6O6。 中文名 4,4'-(六氟异丙烯)二酞酸酐 外文名 4,4'- (Hexafluoroisopropylidene)diphthalic anhydride : 6f-dianhydride 别 名 六氟二酐 分子式 C19H6F6O6 CAS号 1107-00-2 分子量 444.24 纯 度 ≥98.0% MDL号 MFCD00039143 Beilstein号 7057916 EC号 214-170-0 目录 1 性状描述 2 … Web均苯四甲酸二酐 化学性质 熔点 : 283-286 °C (lit.) 沸点 : 397-400 °C (lit.) 密度 : 1,68 g/cm3 蒸气压: 0Pa at 25℃ 折射率 : 1.6000 (estimate) 闪点 : 380 °C 溶解度 : Soluble in dimethyl sulfoxide, acetone, chloroform, ethyl ether, n-hexane and benzene. 酸度系数 (pKa): 5.45 [at 20 ℃] 形态: Fine Powder 颜色: White to pale yellow 水溶解性 : decomposes 敏感性 : …
WebName matches: 4,4'-oxydianiline bpda. Single-stage synthesis and characterization of reflective and conductive silver-polyimide films prepared from silver (I) complexes with … Web13 gen 2024 · 281.1±30.2 °C. 常用名. 4,4'-对苯二氧双邻苯二甲酸酐. 英文名. Hydroquinone diphthalic anhydride. CAS号. 17828-53-4. 分子量. 402.310.
WebHBPDA: Chemical Name: Dicyclohexyl-3,4,3',4'-tetracarboxylic Dianhydride: CAS No.: 122640-83-9: Grade: >97% (GC) Formula: C16H18O6: M.W.: 306.31 g/mole: …
Web27 gen 2024 · HBPDA in THF and ethanol also had high fluorescence emission and demonstrated significant redshifts of 461 (THF) and 408 (ethanol) nm, respectively . … happy hour redmond oregonWeb化学物质 环丁烷四甲酸二酐,英文缩写为CBDA (Cas: 4415-87-6),纯品为白色粉末状,熔点M. P>300度。 它是一种重要的医药和电子 化工材料 中间体。 中文名 环丁烷四甲酸二酐 外文名 Cyclobutane-1,2,3,4-tetracarboxylicdianhydride 别 名 EINECS 224-577-5 化学式 C8H4O6 分子量 196.11 CAS登录号 4415-87-6 熔 点 熔点 >300ºC 目录 1 安全术语 2 风 … happy hour reno nvWeb双酚A型二酐 别 名 BPADA 化学式 C31H20O18 CAS登录号 38103-06-9 英文名称 2,2-Bis [4- (3,4dicarboxyphenoxy) phenyl] propane dianhydride 英文别名 BPADA 纯 度 ≥98% MDL … challenges faced during data collectionWebComparatively, the HBPDA-PI films exhibited much higher CTE values. In addition, the HPMDA-PI films exhibited good thermal stability with the 5% weight loss temperatures (T5%) higher than 430 °C ... challenges faced during meditationWeb地址: 上海市虹口区溧阳路735号5幢5110室. 电话: +86-56973112/63335570. 传真: +86-56721121 happy hour restaurants in redmond waWeb11 apr 2024 · 英文名称:4,4'-Biphthalic Anhydride 分子式:C16H6O6 产地:广州 规格:5G,10G,25G,100G,250G,500G 品牌:Codow可道 货号:CD110318 CAS编号: 2420-87-3 别名:3,3',4,4'-联苯四羧酸二酐 5,5'-二异苯并呋喃-1,1',3,3'-四酮 BPDA 3,3',4,4'-Biphenyltetracarboxylic dianhydride Diphenyl-3,3',4,4'-tetracarboxylic Dianhydride 5,5' … happy hour restaurants brickellWeboled材料. 我们不仅仅是在为oled领域提供oled材料;我们的使命在于延长设备的运行寿命、帮助人们保护眼睛,让人们的视觉更舒适、更绚丽。 happy hour reservations near me