A new type of hydrophobe for latex paints has been developed using silicone and paraffin.

本文以有机硅和石蜡为主要原料,制备了一种乳液型乳胶漆疏水剂。

SOL 170 is a solvent based impregnator especially formulated to protect marbles, granites and natural stones from water and dirtpenetration, frost damage and to stop calcareous efflorescence.

SOL 170 是一种特别渗透配方的防水剂，有效于保护大理石、花岗岩、天然石材等。防水印及水呈现于石材表面，并可防渗入表面、冰霜侵入及防风化。

Humic acid (HA ) was abstracted from leonardite,and a composite superabsorbent (HA PSA ) was prepared by compounding poly (acrylic acid ) and lignitic humic acid.

以风化褐煤为原料制备腐植酸(HA),将HA与普通型保水剂(PSA)复合,获得HA型保水剂(HA-PSA)。

Compund polymer with alumium polychloride and ferrous polysulfate as its main ingredients was used as water scavenging agent in the treatment of dye-house waste water.

以聚合氯化、聚合硫酸铁为主的复合聚合物作净水剂,处理印染废水。

Modified calcium aluminate as a purifying agent, with two functions both of coagulability and desaltification, can be produced from industrial waste slag from alumina plant.

利氧化厂工业废渣生产的酸钙净水剂兼有混凝和脱盐两种功能。

The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated.

对苯甲醛与1,3-丁二醇在钒磷氧催化剂作下的缩醛化反应进行了研究,考察了醇醛比、反应时间、催化剂量、带水剂种类和体积等因素对苯甲醛1,3-丁二醇缩醛收率的影响。

Moreover, the analysis of the high performance reducing agent series skeletons of condensational sulfoacid series high performance reducing series is obtained in the paper.

同时还对缩聚型磺酸系列高效减水剂的骨架及其关系作了分析讨论。

The production methods and technical features of monosilane, silicone oil, silicone water-proofing agent and silicone resin using the high boiling silane were described.

简述了利硅烷高沸物制备单硅烷、硅油、有机硅防水剂、有机硅树脂、消泡剂等产品的生产方法及技术特点。

Potted plant experiment was used in studying the effect of 7% glyphosate aqueous solution at five concentrations on soil salinize and alkalize.

通过室内盆栽模拟实验,研究了5种浓度的7%草甘膦水剂对土壤盐化和碱化的影响。

The controlling test was carried out to the annual and perennial broadleaved weed and shrub on forestland with 24% picloram Sc.

选24%氨氯吡啶酸水剂,对林地一年生及多年生阔叶杂草、灌木进行防除试验。

The determination the dissolvability of dissolve of alumine in calcium aluminate for water clarifying agent are introduced in this paper.

介绍生产净水剂聚合所原料中的氧化溶出率＊的测定方法。

Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.

二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常的一种脱水剂,采DCC脱水缩合,反应条件温和,合成收率通常较高。

The use of fluorated water-repellent is investigated with the aim to Proban process for vinylon canvas.

探讨了含氟拒水剂对普鲁班阻燃维纶帆布进行拒水整理。