acetal
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n.
乙缩醛，乙缩醛二乙醇；
英英释义
acetal[ 'æsitæl ]
n.any organic compound formed by adding alcohol molecules to aldehyde molecules
权威例句
Ethylene, ethane, acetaldehyde, and ethanol production by plants under stress.Determination of Acetal Content in Soybean-flavor Liquor by Gas Chromatography & Its Application
Acetaldehyde selectively stimulates collagen production in cultured rat liver fat-storing cells but not in hepatocytes.
1,4-Dithiothreitol mediated cleavage of the acetal and ketal type of diol protecting groups
PREPARATION OF FATTY ACID METHYL ESTERS AND DIMETHYLACETALS FROM LIPIDS WITH BORON FLUORIDE--METHANOL
Acetaldehyde-modified epitopes in liver biopsy specimens of alcoholic and nonalcoholic patients: localization and association with p...
Mutagenicity of chloroacetaldehyde, a possible metabolic product of 1,2-dichloroethane (ethylene dichloride), chloroethanol (ethylen...
A Novel Strategy for Encapsulation and Release of Proteins: Hydrogels and Microgels with Acid-Labile Acetal Cross-Linkers
ChemInform Abstract: Palladium‐Catalyzed Functionalization of Lactones via Their Cyclic Ketene Acetal Phosphates. Efficient New Syn...
Studies on Reactions Relating to Carbohydrates and Polysaccharides: Xliii. Cyclic Acetal and Ketal Formation from α-PHENYL Glycerol...
1. Acetal is among the strongest and stiffest of all thermoplastics .
在所有的热塑性塑料中，乙缩醛具有最高的强度和硬度。
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2. Diisobutyl acetal was synthesized by the condensation of paraldehyde and iso-butyl alcohol.
以三聚乙醛和异丁醇为原料，合成了二异丁基乙缩醛。
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3. Cyclohexanone diethyl acetal was prepared from cyclohexanone with anhydrous ethanol as reactant, ammonium chloride as catalyst, triethyl orthoformate as water scavenger.
其制备方法是以氯化铵为催化剂，原甲酸三乙酯为解水剂，由无水乙醇和环己酮缩合合成。
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4. OBJECTIVE To synthesize 4-chlorobutanal acetal by improved method.
目的改进4-氯丁醛缩醛的合成方法。
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5. In this paper, 2,2-dimethylolbutyraldehyde was synthesized through the acetal reaction of formaldehyde and butyraldehyde, using silicotungstic acid as catalyst.
以硅钨酸作为催化剂．催化甲醛与丁醛的羟醛缩合反应，合成2，2-二羟甲基丁醛。
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6. The results showed that the catalyst, with calcium phosphate as the main part, is active and selective in the splitting of acetal.
实验结果表明：以磷酸钙为主体的催化剂对缩醛裂解反应具有较高的活性和选择性。
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7. With p-toluene sulfonic acid used as catalyst and chlorobenzene as organic solvent, the reaction kinetics between phenol and acetal have been studied at room temperature.
本文研究了以对甲苯磺酸为催化剂，氯苯为溶剂，室温附近的条件下，苯酚及对叔丁基酚与甲缩醛反应的动力学。
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8. The enanthal diethyl acetal is synthesized catalyzed by sodium bisulfate , with heptaldehyde and ethanol as raw materials.
研究了以硫酸氢钠为催化剂，庚醛和乙醇为原料来制备庚醛二乙缩醛。
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9. A kind of highly effective formaldehyde inhibitor, polyvinyl acetal was prepared from acetic acid, ethylene and acetaldehyde.
采用醋酸乙烯酯和乙醛为原料，合成了高效甲醛阻聚剂———聚乙烯醇缩乙醛。
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10. Butyraldehyde glycol acetal was synthesized from butyraldehyde and glycol by using iodine as catalyst.
以单质碘为催化剂，通过丁醛和乙二醇反应合成了丁醛乙二醇缩醛。
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11. Phenylacetaldehyde ethylene glycol acetal was synthesized with phenylacetaldehyde and ethylene glycol as raw materials in the presence of phosphotungstic acid supported on MCM-41 molecular sieve.
以MCM-41负载磷钨酸作催化剂，对以苯乙醛和乙二醇为原料合成苯乙醛乙二醇缩醛的反应条件进行了研究。
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12. Under these conditions, the yield of butyraldehyde glycol acetal is 71.1%.
在此反应条件下，丁醛乙二醇缩醛的收率可达71.1%。
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13. The compositions include an aqueous alkaline solvent soluble phenolic resin or poly(vinyl acetal) as a polymeric binder.
该组合物包括含水碱性溶剂可溶性酚醛树脂或聚（乙烯醇 缩醛）作为聚合物粘结剂。
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14. This paper reports the using of molybdophosphoric acid in synthesizing heptyl aldehyde ethylene acetal and meanwhile probes into the synthesizing conditions.
介绍了磷钼酸在乙二醇和庚醛缩合反应中的应用，探讨了乙二醇缩庚醛的合成条件。
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15. Benzaldehyde ethylene glycol acetal was directly synthesized from benzaldehyde and ethylene glycol under microwave irradiation with cupric sulfate as catalyst.
用无水硫酸铜作催化剂，在微波辐射下催化合成苯甲醛乙二醇缩醛。
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16. The reaction of phenol, xylene—formaldehyde resin with boric acid gets an acetal resin.
苯酚、二甲苯缩甲醛树脂及硼酸反应生成缩醛树脂。
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17. Study of the effects on the acetal reaction was carefully done, and the optimum reaction conditions were found out, which was applied successfully to the reaction of furfural with hexylthiol.
以糠醛与乙二醇的缩合为探针反应，详细探讨了影响缩醛反应的各种因素，得出糠醛与乙二醇反应的最佳条件，并成功地应用于糠醛与正己硫醇的缩合反应。
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18. The synthesis of furfural glycol acetal from furfural and ethylene glycol in the presence of ion exchange resin was investigated.
本文研究了在离子交换树脂存在下，由糠醛和乙二醇反应制备糠醛缩乙二醇的工艺条件。
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19. The yield of benzaldehyde glycol acetal was above 87.7% with zinc methanesulfonate as catalyst.
当以甲基磺酸锌为催化剂时，苯甲醛缩乙二醇的收率可达87.7%。
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20. The promotion action of ionic liquid as an accelerant in synthesizing benzaldehyde ethanediol acetal and benzaldehyde propanediol acetal was studied.
以环己酮和乙二醇为原料，漆酚缩甲醛钕聚合物为催化剂合成了环己酮乙二醇缩酮。
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21. The esterifications of some kinds of carboxylic acids with N, N dimethyl formamide diisopropyl acetal(DMFDIPA)are carried out.
以N，N-二甲基甲酰胺二异丙基缩醛（简称DMFDIPA）为异丙基化试剂对一些羧酸进行酯化反应。
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22. Specifications for particular types of winding wires - Part 14 : polyvinyl acetal enamelled round aluminium wire, class 105.
特种绕组线规范。第14部分：聚乙烯醇漆绝缘的圆铝线，等级105。
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23. Phase transfer catalyst was used for synthesis of citral diethyl acetal, the yield has increased.
用相转移催化合成了柠檬醛二乙缩醛，提高了产率。
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24. Using conditional test, the isobutyraldehyde glycol acetal was synthesized from isobutyraldehyde and ethylene glycol by direct esterification using strong acidic cation exchange resin as catalyst.
运用条件实验法，以异丁醛、乙二醇为原料，强酸性阳离子交换树脂为催化剂，合成了异丁醛乙二醇缩醛产品。
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25. In the first part of this paper, a environment friendly and clean chemical process"Acetal Method", which the author invented, is introduced with some embodiments.
通过一些典型实例介绍作者发明的一种清洁、环境友好的化学工艺“缩醛法” 。
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26. The authors find that the addition of appropriate amount of acetaldehyde to replace a part of formaldehyde distinctly improves the properties of the acetal adhesive.
作者发现，在反应中加入适量乙醛代替部分甲醛、可明显提高缩醛胶的性能。
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27. The necessary material of 2-(2-methoethyl) acetaldehyde diethyl acetal was synthesized in addition.
另外还合成了必需原料2-（2-甲氧基乙氧基）乙醛二乙醇缩醛。
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28. Catalytic synthesis of n-butyraldehyde glycol acetal with tin tetrachioride supported on silica gel;
用自制的磷钨钼杂多酸作催化剂，以丁醛和乙二醇反应合成了丁醛乙二醇缩醛。
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29. The silk easy to crease and with low wet abrasion fastness was treated for darkening the colors and anti-crease property with semi-acetal cross-linking agent BHA together with reactive polysiloxanes.
丝绸易皱、湿摩擦牢度不高，采用双半缩醛交联剂BHA配合反应性聚硅氧烷对真丝进行增深固色及防皱。
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30. The Paper introduces the brief developing history of Hoechst Celanese Corp. and its standard & specialty grades of acetal copolymer.
公司发展简史和共聚甲醛的标准品级以及特殊品级。
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acetal
