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caprolactam n.【化學】己內酰胺。

capron

It indicated that the color removal of new organobentintes are much higher than that of inorgnganic bentonite , the color removal of the organobentonite prapared by a certain proportion of quaternary ammonium salt and caprolactam is the best , 96 . 06 % , it is 11 . 86 % higher than that of actived carbon 結果表明,各類新型有機膨潤土對印染廢水的脫色率均遠遠高于無機膨潤土的脫色率,季銨鹽/己內酰胺復合插層有機膨潤土的脫色率最高,達96 . 06 ,比活性炭的脫色率高11 . 86 。

Moreover , we prepared epoxy / bentonite nanocomposites using conventional organbentonite and quaternary ammonium salt / caprolactam modified organobentonite as harbinger respectively . their mechanical performance were tested . the bend strength and modulus of conventional epoxy / bentonite nanocomposite are 73 % and 52 . 4 % higher than those of pure epoxy , while the bend strength and modulus of new epoxy / bentonite nanocomposite are 95 . 6 % and 64 . 2 % higher than those of pure epoxy 與純環氧樹脂固化物相比,傳統有機膨潤土制備的納米復合材料的彎曲強度和彎曲模量分別提高73和52 . 4 ,而新型有機膨潤土制備的環氧樹脂/膨潤土納米復合材料的彎曲強度和彎曲模量分別提高95 . 6和64 . 2 。

After doing relative experiments and analyzing the reason according to the practical statistical data , it is sure that the white point is water soluble material including caprolactam and low - molecular materials , and at the same time it is also find the reason how the white point in the chips come into being , providing the valuable preventive way to the polymer plants 通過相關的跟蹤實驗和統計分析,確定了白點是水溶性己內酰胺單體和低分子物,同時找到了產生這種白點切片的根本原因,給聚合裝置提供了預防措施。

In this paper , two kinds of polyazomethine / nylon - 6 ( pam / pa - 6 ) composites with different chemical structures were prepared by means of in - situ polymerization . pam1 and pam2 were prepared from the reaction of terephthalaldehyde with l , 6 - hexanediamine ( paml ) , and terephthalaldehyde with 4 , 4 ' - diamiediphenyl ( pam2 ) . during the preparation , pam chain ends played a retard role in the polymerization of s - caprolactam obviously 本文通過原位聚合法制備了兩種不同化學結構的聚甲亞胺尼龍6 ( pam pa6 )分子復合材料, pam1為對苯二甲醛與1 , 6 -己二胺反應制備的聚甲亞胺, pam2為對苯二甲醛與4 , 4 ’ -二氨基二苯醚合成的聚甲亞胺。

The current production and consumption of caprolactam worldwide are analyzed , and the important position of hpo process in caprolactam industry is pointed out , while the old hpo process for caprolactam is compared to the new process , the direction and the development trend were put forward in the paper 摘要分析了世界己內酰胺生產和消費現狀,指出了hpo工藝在己內酰胺工業中的重要地位,并與己內酰胺生產新工藝進行了比較,提出了今后發展方向,對前景進行了展望。

However , the reserves of calcium bentonite is low and the surfactants are expensive , which bring many difficulties to industrialization . in this paper , an abundant and low cost raw material , calcium bentonite , and several new modifying agents such as compound quaternary ammonium salt with cheap caprolactam or anionic surfactant or silane coupling agent were used to synthesize new - type organobentonites , in the principal of efficient , cheap and simple 作者嘗試以資源十分豐富的鈣基膨潤土為原料,依據高效、廉價、使用簡單的原則,以傳統插層劑季銨鹽為基礎,分別用價格較低的己內酰胺、陰離子表面活性劑、硅烷偶聯劑部分取代季銨鹽作插層劑,來制備新型的有機膨潤土。

This article discusses the metal filter core regeneration of the hydroxylamine catalyst filter from various aspects such as filtering precision , fluid infiltration function , filtering efficiency , filtering mechanism , by link up with the hpo process of caprolactam production , and provides a generalized regeneration approach 摘要主要從過濾精度、流體透過性能、過濾效率、過濾機理等方面結合hpo法生產己內酰胺工藝羥胺反應過濾器金屬芯的再生問題,通過對金屬燒結濾芯一般特性的過濾性能的分析,結合實驗數據,提供了一種綜合性再生方法,該方法處長了濾芯的使用周期,滿足了生產高負荷生產要求,再生效果較好。

According to direct and indirect testing results of organobentonite ' s structure and performance , the project that synthesize new organobentonite with calcium bentonite by replacing a part of conventional modifying agent for caprolactam has been proved reasonable and feasible , the affinity of organobentonie for organic substance was improved , it can be used in variable organic system 通過以上對有機膨潤土結構和性能的直接表征和間接評價,證明以鈣基膨潤土為原料,用己內酰胺取代部分季銨鹽制備新型有機膨潤土的方案是合理的、可行的,制備的有機膨潤土具有對有機物良好的親和性和相容性,可用于各類有機體系。

Through the characterization of the molecular weights of pam , sem and dsc of composite , the results clarified the change of mechanical properties of composites . the tensile strength and impact strength of pam2 / pa - 6 composite showed that were related to the content of initiator naoh for the polymerization of e - caprolactam . the intrinsic viscosity of pam , sem and the crystallinity of nylon phase carried out the results , which explained the change of mechanical properties of composites 對于pam2 pa - 6體系,復合材料的拉伸強度與沖擊強度隨醛胺摩爾比的變化趨勢與引發劑用量有關,通過pam2分子量、尼龍結晶度、球晶形態、 sem以及dsc等表征方法對這種變化趨勢的研究表明,復合材料的力學性能與上述因素有密切的關系。

Three methods of avoiding the effect of aldehyde end - group on the polymerization of e - caprolactam were compared . it was useful for the industrial application through the salting e - caprolactam monomer with the initiator naoh firstly 通過-己內酰胺單體先與引發劑氫氧化鈉成鹽的方法可以消除pam分子鏈中醛端基對基體聚合的影響,為pam pa - 6復合材料的工業化應用提供了一定的理論基礎。

The experiments showed that there also existed a parallel reaction between cca and so3 as well as an intercrossing reaction between caprolactam and nitrosyl sulfuric acid , except for the nitrosation of cca 實驗證實了該過程伴有環己烷羧酸與三氧化硫作用的平行副反應以及己內酰胺與亞硝基硫酸作用的串聯副反應,由此提出了亞硝化過程的反應動力學模型。

There are several major petrochemical intermediates that are presently manufactured with high - purity oxygen including ethylene and propylene oxide ( antifreeze ) , vinyl chloride ( for pvc ) , and caprolactam ( for nylon ) 目前,幾種重要的石化半成品是用高純度氧生產的,包括乙烯、環氧丙烷(防凍劑) 、氯乙烯(用于pvc )和己內酰胺(用于尼龍) 。

The technology and market of caprolactam ( cpl ) were reviewed . the primary factors influencing the price of cpl were analyzed and the technology how to reduce the production cost was discussed 摘要概述了己內酰胺行業的生產技術及市場消費情況;對影響己內酰胺產品價格的主要因素進行了分析;對降低己內酰的成本工藝路線進行了探討。

Materials and articles in contact with foodstuffs - plastics substances subject to limitation - part 16 : determination of caprolactam and caprolactam salt in food simulants ; german version cen ts 13130 - 16 : 2005 接觸食料的材料和物品.可塑性物質允許極限.第16部分

Producer of synthetic fiber precursors , including cyclohexanone , cyclohexane , cyclohexanol , caprolactam , hydroxylamine , ammonium sulfate , and butanone oxime . located in china -生產銷售二氧化硫脲,甲脒亞璜酸,過氧化氫,雙氧水等有機化學品,包括公司簡介產品介紹等

Materials and articles in contact with foodstuffs - plastics substances subject to limitation - determination of caprolactam and caprolactam salt in food simulants 和食品接觸的材料和物品.受限制的塑料物質.食品模擬物中己內酰胺和己內酰胺鹽的測定

The nitrosation of cyclohexanecarboxylic acid ( cca ) with nitrosyl sulfuric acid is an important industrial process to produce - caprolactam 摘要由環己烷羧酸與亞硝基硫酸的亞硝化反應制取己內酰胺是一個重要的工業反應過程。

Plastics - polyamides - determination of - caprolactam and - laurolactam by gas chromatography iso 11337 : 2004 ; german version en iso 11337 : 2004 塑料.聚酰胺.氣相色譜法測定-己內酰胺和-月桂酰

Caprolactam for industrial use - determination of colourity of 50 % aqueous caprolactam solution - spectromeric method 工業己內酰胺50 %水溶液色度的測定分光光度法