Phenolic foam is a new generation heat preservation prevent fire soundproof material and polystyrene together ammonia ester foaming rubber etc, material to compare, and it is good that its biggest characteristics is a heat - proofound the low temperature contractility is smatt, and have te special prevent burning wit the size stability under 2000 heat, not burning, not melt not contract constant form not poisonous spirit hove no thick smoke, just surface formation layer
信息內容:
酚醛泡沫為新一代保溫防火隔音材料與聚苯乙烯聚氨脂發泡橡膠比,其最大特點是耐
熱性好,低溫收縮性小,具有獨特的阻燃和尺寸穩定性,在焊槍火焰下,不燃燒不收縮不變形,無毒氣無濃煙,只是表面炭化,性質穩定,耐化學腐蝕抗老化。
Such thermosetting resins as phenol-formaldehyde resins, ployester resins, and epoxy resins do not belong to this classification.
像
酚醛樹脂、聚酯樹脂和環氧樹脂等
熱固性樹脂不屬於此類。
These precursors polymerize to form polyamic acid ( paa ). the paa reacts with metal film such as copper. thus its character become worse and circuit resistance increases
電子科技大學博士學位論文聚
酚亞胺( pi )是薄膜多層布線的重要介質材料,它是由兩種單體在
熱處理后聚合而成。
Pf rigid phenolic foam for thermal insulation
硬質
酚醛泡沫絕
熱製品
Hdt of the polybenzoxazine ( bisphenol a type ) / phlogopite composites not changed in the range of phlogopite content from 0 % to 15 %
多元
酚型ben蛙石插層納米復合物固化后,其
熱穩定性明顯提高。
Study on extraction thermodynamic properties of 2 - chloro - 4, 6 - dinitro - resorcinol
苯二
酚萃取
熱力學研究
Urushiol, the main ingredient in raw lacquer, represents excellent properties in prevent of corrosion, heat resistance, ageing resistance and mechanical behavior
其主要成分漆
酚成膜性好,具有良好的抗腐蝕性、耐
熱性、抗老化性和機械性能。
For understanding thermal stabilities of woo - montmorillonite ( mmt ) composite ( wmc ), thermal properties of wood, wood - phenol formaldehyde resin composite ( wpc ) and wmc were analyzed and compared using thermal analysis ( ta )
摘要為了了解木材蒙脫土復合材料的
熱穩定性,本文利用
熱分析方法對木材、木材
酚醛樹脂復合材料、木材蒙脫土復合材料進行了對比分析。
Hot - setting phenolic and aminoplastic wood adhesives - classification and test method
熱固
酚醛和氨基塑料木材膠粘劑.分類和試驗方法
Methods compound ganmaoling capsules on antibacterial action in vitro, antiviral action in vivo, fever in rabbits induced by bacterial endotoxin, and fever in rats induced by 2, 4 dinitrophenol were investigated
方法以復方感冒靈片為對照,觀察復方感冒靈膠囊體外抗菌、抗病毒作用及對細菌內毒素致家兔發
熱和2 , 4二硝基苯
酚致大鼠發
熱等的影響。
Reversible organic thermochromism materials of cresol red, calcein as color change reagent
以甲
酚紅和鈣黃綠素為變色劑的有機可逆
熱色性材料
Orbiter pilling snagging testers, impulse random tumble testers, tensile strength testers, thermo testers, crocking meters, ironing shrinkage testers, phenol yellowing testers as well as the specific washing and drying equipment for textile shrinkage testing
織物勾傷測試儀抗起毛球測試儀彈性織物拉伸測試儀升華牢度測試儀磨擦牢度測試儀
熱燙縮率測試儀
酚黃測試設備及楷模系列織物縮水率測試專用洗滌烘乾設備
Abstract : in this paper, a imidazole - salt was synthsised and was used with a polyphenol compound to modify the dicyandiamide curing epoxy resin system
文摘:本文針對雙氰胺固化環氧樹脂時的固化溫度高,固化產物耐濕
熱性差的缺點,利用自行合成的咪唑鹽和多羥基
酚類化合物,對雙氰胺固化體系進行了改進。
The enhanced photoconductive effect from small amount of tnf facilitates the preparations of new organic photoconductive devices under the drive of low fields. in the fourth chapter, inclpc nanoparticles embedded in poly ( n - vinylcarbzaole ) ( pvk ) were prepared successfully by dissolving inclpc in aprotic organic solvent / lewis acid with great concentration for the formation of electron donor - acceptor complexes, i. e., the method of complexation - mediated solubilization. the fabricated inclpc nanoparticles were characterized by means of uv / vis absorption, x - ray diffraction pattern, and tem
論文的最後一章中,我們合成了具有較好的電子傳輸性能的化合物』一二苯基四竣酸花
酚亞胺( ddp ) ;研究了其溶解性、
熱穩定性、晶體結構、紅外光譜、紫外吸收光譜和蒸鍍薄膜的屬性,並用量子化學計算方法模擬其單分子的空間構型;載流子遷移率測試的結果約為ix10 「 、 m 』 v 」 』 ? s 「 』 。
Customers, cold water dissolved and hot water dissolved. these two series also include 8 specifications that adapt to the requirements of different beverage and food and are for the extraction of tea polyphenols
該茶現有適應不同飲料、食品等要求及供提制茶多
酚、兒茶素用的
熱溶型和冷溶型八個規格的產品,可供客戶選擇。
Study on phenolic resin composite toughened by thermoplastic resin
熱塑性樹脂增韌
酚醛樹脂基復合材料研究
Research and development progress in modified phenolic resin used for friction materials
聚碸改性酚醛樹脂玻纖增強模塑料的熱老化研究