醋酸纤维素

Suitable water-immiscible organic solvents include aromatic hydrocarbons, eg toluene, xylene, naphthalene, tetrahydronaphthalene and methyl naphthalene; chlorinated aromatic hydrocarbons, eg chlorobenzene, fluorobenzene, chloronaphthalene and bromonaphthalene; esters, eg butyl acetate, ethyl acetate, methyl benzoate, ethyl benzoate, benzyl benzoate, butyl benzoate, phenylethyl acetate, butyl lactate, benzyl lactate, diethyleneglycol dipropionate, dimethyl phthalate, diethyl phthalate, dibutyl phthalate, di(2-ethylhexyl) phthalate; alcohols having six or more carbon atoms, eg hexanol, octanol, benzyl alcohol, phenyl ethanol, phenoxy ethanol, phenoxy propanol and phenoxy butanol; ethers having at least 5 carbon atoms, preferably C 5-14 ethers, eg anisole and phenetol; nitrocellulose, cellulose ether, cellulose acetate; low odour petroleum distillates; turpentine; white spirits; naphtha; isopropylbiphenyl; terpene; vegetable oil; mineral oil; essential oil; and natural oil; and mixtures of any two or more thereof.

适用于水互溶的有机溶剂包括芳香族碳氢化合物，如甲苯，二甲苯，萘，四氢萘和甲基萘；氯代芳香族碳氢化合物，如氯苯，氟，氯萘和萘；酯类，如醋酸丁酯，醋酸乙酯，苯甲酸甲酯，苯甲酸乙酯，苄酯，苯甲酸正丁酯，苯，醋酸丁酯乳酸，乳酸苄，二甘醇二丙酸酯，邻苯二甲酸二甲酯，邻苯二甲酸二乙酯，邻苯二甲酸二丁酯，二（2乙基己基）酯；醇有6个或更多碳原子，如己醇，辛醇，苯甲醇，苯乙醇，苯氧基乙醇，丙醇和苯氧基苯氧丁醇；醚至少有5个碳原子，最好荤5-14醚，如苯甲醚和phenetol；硝化棉，纤维素醚，醋酸纤维素，低气味石油蒸馏；松节油；白酒，石脑油isopropylbiphenyl；萜类，植物油，矿物油，挥发油；和天然油，以及任何两个或两个以上其混合物。

Cellulose acetate or any of various products, especially fibers, derived from it.

醋酸纤维素醋酸纤维素或其多种制品，尤指从中提取的纤维质

Mixed cellulose ester membrane is a mixture of cellulose acetate and cellulose nitrate.

混合纤维素酯膜由硝酸纤维素酯和醋酸纤维素酯制成，是一种多孔性的精密过滤材料，滤膜表面孔径分布均。

Mixed cellulose ester membranefor hydrophilic is a mixture of cellulose acetatecellulose nitrate.

混合纤维素酯膜由硝酸纤维素酯和醋酸纤维素酯制成，是一种多孔性的精密过滤材料，滤膜表面孔径分布均。

Cellulose triacetate is the product of a chemical reaction between cellulose and acetic acid. Vinegar syndrome is the reverse reaction of the breakdown of the acetate.

醋酸纤维素是纤维素和醋酸反应的产物，而醋酸综合症就是醋酸盐衰化中退化反应的结果。

By forming simultaneously photosensitive layers on both-sides of cellulosetriacetate film with chemical reaction, we obtained a holographic recording film withstratified sensitivity─dichromated cellulose triacetate.

通过化学反应，在三醋酸纤维素酯片基的正反两面同时生成具有感光活性的光敏层的方法，获得了一种具有叠层光敏性的全息记录软片：重铬酸盐一三醋酸纤维素酯。

The preparing method adopts a mechanical commixing method that includes the process of preparing triethylic acid cellulose, adding metal oxide to solution, commixing, ball-milling, flow-spreading and filming and film processing; adopts an in-situ method that includes the process of preparing triethylic acid cellulose, preparing transition metal oxide latex, mixing, reacting, regulating pH value, flow-spreading and filming, and film processing.

所述的制备方法，采用机械共混法，其过程包括三醋酸纤维素溶液的制备、向溶液中添加金属氧化物、共混、球磨、流延成膜、膜处理；采用原位法，其过程包括三醋酸纤维素溶液的制备、过渡金属化合物乳液的制备、混合、反应、调节pH值、流延成膜、膜处理。

Original materials used for preparing cellulose acetate are generally high quality celluloses with an a-cellulose content of more than 95%,therefore,cellulose materials capable of being used for preparing CA are usually cotton linters,as well as high-grade wood dissolving pulps,which are applied in commerce widely.

醋酸纤维素对纤维素的来源有较高的要求，其a-纤维素含量要高于95%，因而能够用于制备醋酸纤维素的原料通常是棉绒和高级木溶解浆，商业上广泛使用的是高级木溶解浆。

Industrially, metal acetates are used in printing, vinyl acetate in plastic production, cellulose acetate in photographic films and textiles (one of the first synthetic fibres, often called simply acetate), and volatile organic esters as solvents.

在工业方面，金属醋酸盐应用在印刷，乙烯醋酸盐用于塑料生产，醋酸纤维素用于照片底片、纺织品(首批合成纤维之一，常被称为简易醋酸盐)和在挥发性有机酯类里当溶剂。

The function of water on α-cellulose membrane was also revealed by comparatively studying the gas permeability of cellulose acetate membrane, benzoylated cellulose membrane and polysulfone membrane in "dry" and "wet" state.

通过比较研究醋酸纤维素膜、苯甲酰化纤维素膜和聚砜膜在干态和湿态下的气体渗透性能，揭示了水对α纤维素膜气体渗透性能的作用规律

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。