聚甲醛

Melamine and formaldehyde in aqueous solution in which the response is the most important.

其中三聚氰胺与甲醛水溶液的反应是最重要的。

In truth, bakelite whose more chemically formal name is polyoxybenzylmethylenglycolanliydrid----was just a harbinger of the age of plastics

事实上，酚醛----其正式的化学名称是聚甲苯甲醛甘醇酐----只是预示了塑料时代的到来。

Urethane adduct was synthesized from decarboxylated cashew nut shell liquid,hexamethylenediisocynate and polyethylglycol,which was then reacted with melamineformaldehyde resin to form aqueous coating material.

采用天然植物油、己二异氰酸酯和聚乙二醇在较温和的条件下反应，制得了水溶性的氨基甲酸酯加成物，以此和低醚化度甲醚化三聚氰氨甲醚甲醛树脂制备了水性涂料。

Therefore, when configuration resolver leather lustre-coating agent uses the alkyd resin and the melamine xylenol-formaldehyde resin and the cellulose nitrate mix method, the retention cellulose nitrate Cheng Mo merit, improves it not to bear the aging, the cold resistant bad shortcoming, undergoes the repeated test, compounds the successful resolver lustre-coating agent to have the very good radiance and softness, bears the stretch, bears scours, becomes the membrane to be smooth.

因此，在配制溶剂型皮革光亮剂时采用醇酸树脂和三聚氰胺甲醛树脂与硝化纤维混合的方法，保留硝化纤维成膜的优点，改进其不耐老化，耐寒性较差的缺点，经过反复试验，配制成功的溶剂型光亮剂有很好的光亮度及柔软度，耐拉伸，耐擦洗，成膜光滑。

Was established in 1996, in Lecong Town, Shunde District, Sha-Sha Harbour Industrial Zone, adjacent to the Shunde Dragon River Bridge, convenient transportation and strategic location, is a professional production of a variety of green moisture-proof plate | 3 Cyanamide Tiemian Ban-based professionals such as wood-based panel, the E2 plate attached to the E1 of formaldehyde and other supporting services dealing with the Industrial Company.

英悦实业有限公司成立于1996年，位于顺德区乐从镇沙边海心沙工业区，毗邻顺德龙江大桥，交通便利，地理位置优越，是一家以专业生产各种规格的绿色防潮板|三聚氰胺贴面板等专业人造板为主，附设板材的E2转E1的甲醛处理等配套服务的实业公司。

A novel method to prepare polyrotaxane in solution by α-cyclodextrins and dumbbell-like poly derivative with reversible acylhydrazone bond and big end stopper (2',4-dinitrophenyl) is described.

合成了具有可逆酰腙键的2，4-二硝基苯甲醛封端的哑铃型聚乙二醇衍生物。

Two novel soluble poly, poly [(3-butyrylpyrrole-2, 5-diyl) p-nitrobenzylidene] and poly [(3-butyrylpyrrole-2, 5-diyl)(3-hydroxy-4-methoxy) benzylidene], were synthesized firstly by condensation of 3-butyrylpyrrole with p-nitrobenzaldehyde and vanillin, respectively.

通过3-丁酰基吡咯单体分别与对硝基苯甲醛和香草醛的缩聚反应，成功合成了两种新型可溶性聚吡咯甲烯衍生物－策［（3-丁酰基吡咯－2，5-二）对硝基苯甲烯］和聚［（3-丁酰基吡咯－2，5-二）（3-羟基－4-甲氧基）苯甲烯］。

A new cationic polyelectrolyte has been synthesized by the modification of polyacrylamide with formaldehyde and dicyanodiamide.

用甲醛和二氰二胺改性聚丙烯酸胺，制得新型阳离子聚电解质PAm·MG，对PAm·MG的合成和表征进行了研究。

Melamine is a wide range of basic organic chemical intermediates, the main purpose is the production of melamine formaldehyde resin of raw materials.

三聚氰胺是一种用途广泛的基本有机化工中间产品，最主要的用途是作为生产三聚氰胺甲醛树脂的原料。

Uses:Melamine is a versatile basic organic chemical intermediate products, the main use is as the productionof melamine formaldehyde resin of raw materials.

用途： 三聚氰胺是一种用途广泛的基本有机化工中间产品，最主要的用途是作为生产三聚氰胺甲醛树脂的原料。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。