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- High char yield phenolic resin 高残碳酚醛树脂
- From the curing mechanisms of penolic resins,a couple of new structural phenolic resins with high char yield was introduced. 从树脂的固化机理出发,综述了几种经加成、环化、开环聚合等得到的新型结构的高残炭酚醛树脂。
- And a phenoloc resin with high char yield, which can be widely used for heat protection of high pressure solid rocket motors, has been developed. 研究了酚醛树脂配比与酚醛树脂的结构、热降解行为、烧蚀性能之间的关系,研制出了可广泛应用于高压固体火箭发动机热防护的高炭化率酚醛树脂。
- These studies provided theoretical evidence for the application of ablation resistant materials and direction for the development of new high char yield resins. 这些研究为耐烧蚀材料的应用提供了理论依据,为新一代的高残炭树脂的开发提供了方向。
- A new high char resin-polyary lacetylene(PAA) was introduced.The strong exotlhermic effect was controlled by thermal and catalytic polymerization.The char yield of cured PAA was up to 80%. 本文研究了新型高碳树脂-聚芳基乙炔，使用热预聚和催化预聚法来控制树脂强烈的固化放热，聚芳基乙炔树脂具有高达80%25的残碳率。
- Keywords novolac;cyanate ester of novolac;high char yield;ablative material; 线型酚醛树脂;酚醛型氰酸酯;高残碳率;烧蚀材料;
- high char yield 高残炭
- A phenolic resin was blended with PBT. 研究了加入聚对苯二甲酸丁二醇酯(PBT)对酚醛塑料的增韧改性。
- One-piece machined cage of fabric reinforced phenolic resin (g). 单片机削纤维增强酚醛树脂保持架(g)
- NBR or XNBR as raw rubber and phenolic resin was blended. NBR和XNBR都可作为生胶与酚醛树脂共混。
- Effect of Phenolic Resin on Laser Ignition of B/KNO3[J]. 引用该论文 叶迎华;沈瑞琪;戴实之.
- Char yield of curing product of BAPP and epoxy resin is higher to that of DDM and limiting oxygen index (LOI) of curing product of BAPP and epoxy resin is 34. The effect of BAPP by glass state temperature of curing product of epoxy resin is little. 与DDM的环氧固化产物相比较,BAPP与环氧树脂的固化产物有较高的成炭率,极限氧指数(LOI)为34,BAPP对固化产物的玻璃化温度影响不大。
- "Acetal Method" is a new technology to prepare phenolic resin. “缩醛法”是一种合成酚醛树脂的新方法。
- The results show that,by adding either AS-BOZ or TPA,the viscosities of B-BOZ resin blends are reduced greatly,but the glass transition temperature(T_g) and the char yield are highly improved via the crosslinking reaction of the polymerizable groups. 结果表明,无论是AS-BOZ还是TPA的引入都使得双环苯并?f嗪体系黏度降低,同时提高体系的交联密度,使固化物的Tg和残碳率都大幅度提高。
- The properties and carbonizing yield of several kinds of matrix precursors, such as bitumen, phenolic resin, COPNA resin, furan resin, polyarylacetylene are also mentioned. 讨论了不同物质,其中包括工业沥青、酚醛树脂、呋喃树脂、缩合多核芳香(COPNA)树脂以及聚芳基乙炔树脂作为碳/碳复合材料基体前驱体的特点。
- The phenolic resin with excellent mechanic properties, thermal stability and burning carbonization at high temperature was used for the burning resin. 用热失重法研究了有机硅改性酚醛树脂的热稳定性和烧蚀成碳率。
- Onion-like carbon nano-particles synthesized from phenolic resin have concentrically, quasi-spherically structures and high order. 以酚醛树脂为碳源制备的洋葱状富勒烯具有完美的同心、准球结构和高度有序性。
- The tar and char yield were low and decreased with the gasification temperature. 焦油和焦炭的产率较低并随气化温度的提高而降低。
- Char yield of these resins was studied using TG and electro paramagnetic resonance (EPR). 用热重、电子顺磁共振等方法研究了改性酚醛树脂的残碳率。
- Woodceramics was a new carbon material with porous structure.It was made of wood or woody material impregnated with phenolic resin and then charring treated at high temperature. 木材陶瓷是一种以木材或其他木质材料为原料,经树脂浸渍、高温碳化而形成的一种新型多孔炭素材料。
