• 甲醛苯胺苯酚原料合成苯并口恶嗪。

    Dibenzoxazine is synthesized from formaldehyde, aniline and phenol.

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  • 甲醛苯酚、氧氯化原料合成了残碳酚醛树脂

    Phenolic resin modified with zirconium and with high char yield was synthesized with formaldehyde, phenol and zirconyl chloride as raw materials.

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  • 产品主要技术指标甲醛释放和加工程度标准等级

    The main technical indexes of products with formaldehyde to release a quantity to standard set level.

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  • 介绍了甲醛为原料,反应介质,催化进行交叉康尼扎罗反应制备三羟甲基乙烷方法

    A method of preparing trimethylolethane from formaldehyde and propionic aldehyde in water was introduced in the presence of the base through cross Cannizzero reaction.

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  • 甲醛介绍光化学反应吸附作用和光催化氧化作用挥发性有机化合物降解过程作用机理

    Taking formaldehyde as example, degradation mechanisms of photochemistry reaction, adsorption and Photo-Catalytic Oxidation(PCO) on Volatile Organic Compounds(VOCs) are presented respectively.

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  • 前述板材结构其中纤维废弃的木屑蔗渣谷壳稻草芦苇天然纤维以甲醛尿素制成

    The fibrous layers of the sheet material structure are made of urea formaldehyde glue and natural fiber things of natural fiber waste wood dust, bagasse, chaff, rice straws, reed straws, etc.

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  • 甲醛尿素作为单体正硅酸乙酯水解所得氧化硅溶胶中进行聚合反应得了有机—无机二氧化硅复合球。

    The composite silica microsphere was obtained through the polymerization of urea and formaldehyde occurred in the silica sol that prepared from the hydrolyzation of tetraethyl orthosilicate.

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  • 甲醛磷酸为反应试剂,采用均相反应法制备出聚糖(CS)的磷酸化衍生物-甲基磷酸化壳聚糖(NPCS)。

    In this study, N-methylene phosphonic chitosan (NPCS) was synthesized via formaldehyde addition and condensation with phosphoric acid in a step reaction.

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  • 甲醛为去除对象,用静态方法,考察了净化空气净化性能同时分析了甲醛初始、相对湿度、温度净化效率的影响

    The results show that both the mass fraction of photocatalyst in paint and the painting content have great influence on purification performance of mineral wool slab.

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  • 甲醛丙酮模拟污染空气研究其在复合催化剂作用催化降解行为

    Photocatalytic performance of the catalyst was studied under the action of compound photo-catalyst using simulated polluted air containing formaldehyde and acetone.

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  • 聚丙烯酰胺聚乙烯醇配成聚合物混合溶液,甲醛硼砂作为联剂,形成双组分聚合物复合体系。

    A kind of complex profile control agent comprising bicomponent polymer was formed from polymer mixture comprising polyacrylamide and polyvinyl alcohol using formaldehyde and borax as the crosslinkers.

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  • 主要进行甲醇制甲醛、聚甲醛化工产品开发销售

    It mainly deals in the development and selling of "Methanol transformed to formaldehyde" and Polyformaldehyde products.

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  • 文中对乙酰丙酮配制不同时间应用作了一系列试验探讨试剂在不同时间显色结果甲醛含量测试结果的定量影响

    A series of color test are carried out to determine the influence of developing result at different time after preparing the acetylacetone on formaldehyde content measuring.

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  • 溶液缩聚法,腰果酚分别甲醛正丁糠醛氯化铁制备了腰果酚醛聚合物

    Cardanol -aldehyde ferric polymers were prepared by condensation polymerization with formaldehyde, n-butyl aldehyde, furfural and iron trichloride.

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  • 过氧化氧化剂十六烷基三甲基钨磷杂多酸铵为催化剂,催化氧化甲醛苯甲酸

    Phenyl carboxylic acid was produced by oxidation of phenyl formaldehyde using hydrogen peroxide as oxidizing agent and amine hexadecane trimethyl P-W heteropoly acid as catalyst.

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  • 皮胶纤维原料,通过甲醛交联反应制备吸附材料。

    A novel adsorbent was prepared on the basis of collagen fiber by cross-linking reaction of formaldehyde.

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  • 采用苯甲酸改性醇酸树脂混合醚化三聚氰胺甲醛树脂为基料,配适量的纹助剂制成高固体分低温型氨基

    The high-solid fast drying amino hammer paint is prepared with benzoic acid modified alkyd resin and etherified melamine-formaldehyde resin as binder, hammering agent and other components.

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  • 磺化尿素单体在酸催化下,合成磺化三聚氰胺尿素甲醛树脂

    With sulfonated melamine and urea as monomers and acids as catalysts, the synthesis of sulfonated melamine urea formaldehyde resin is carried out.

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  • 田菁胶、磨芋、多聚甲醛凝胶增强主要原料,合成新型的无固相凝胶定时剂NSG - 2。

    NSG-2 solid-free gel timing plugging agent is prepared with sesbania gum, paraformaldehyde and gum extender as main materials.

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  • 尿素-甲醛四氯乙烯材,通过两步原位合法一步原位聚合法制胶囊。

    Microcapsules were prepared through two-step and one-step in situ polymerization method, with urea-formaldehyde as wall material, and tetrachloroethylene as core material.

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  • 微型汽车头销实例研究聚酯弹性体取代甲醛制造汽车球头销座。

    With the ball socket of a mini car as the study instance, it is presented to substitute polyester elastomer for polyformaldehyde in production of ball sockets.

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  • 聚氰胺-甲醛树脂原料木材透明防火涂料具有良好装饰性能防火性能。

    Transparent fireproof coating for wood based on melamine-formaldehyde resin as raw materials has good decorating property and fireproof property as well.

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  • 苯酚甲醛主要原料合成了可发性碱催化酚醛树脂,并加入发泡剂固化剂制备了酚醛泡沫

    Phenolic resin was synthesized mainly from phenol and formaldehyde as raw material. The phenolic foam was prepared by adding foam stabilizer, foaming and curing agent.

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  • 方法甲醛衍生物乙酮为原料,弱碱碳酸钾为催化剂为溶剂,转移催化法合成查耳酮衍生物。

    Methods Chalcone derivatives were synthesized from benzaldehyde derivatives and acetophenone by using weak alkali potassium carbonate as based catalyst in water via phase - transfer catalysis.

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  • 甲基磺酸催化剂时,甲醛乙二醇收率可达87.7%。

    The yield of benzaldehyde glycol acetal was above 87.7% with zinc methanesulfonate as catalyst.

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  • 本文室内环境治理中甲醛清除为例,分别采用数值模拟方法实验方法,对比研究了活性炭吸附法触媒喷涂法治理效果

    This paper discusses the effects of active carbon adsorption and light accelerant spray in eliminating indoor formaldehyde by use of mathematical simulation and experiments respectively.

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  • 本文室内环境治理中甲醛清除为例,分别采用数值模拟方法实验方法,对比研究了活性炭吸附法触媒喷涂法治理效果

    This paper discusses the effects of active carbon adsorption and light accelerant spray in eliminating indoor formaldehyde by use of mathematical simulation and experiments respectively.

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