2) urea-formaldehyde resin
脲醛树脂
1.
Effects of Uron resins and using methods on the performances of urea-formaldehyde resin;
尤戎(Uron)树脂及其用法对脲醛树脂性能的影响
2.
Curing mechanism of urea-formaldehyde resin and its application.;
脲醛树脂固化机理及其应用
3.
Study on synthesis of environmental protection type urea-formaldehyde resin adhesive;
环保型脲醛树脂粘合剂合成的研究
3) urea-formaldehyde
脲醛树脂
1.
Study on experiment of urea-formaldehyde spray drying;
脲醛树脂喷雾干燥实验研究
2.
Studies on Immobilization of β-Cyclodextrin Based onto Urea-formaldehyde Resin;
固载β-环糊精脲醛树脂的合成及其性能研究
3.
Objedtive:To explore the technological conditions about preparing for microcapsules with an urea-formaldehyde resin as wall and with cypermethrin as core material.
目的:探讨以脲醛树脂为壁材,以氯氰菊酯为囊芯物制备聚脲微胶囊的工艺条件。
4) Urea formaldehyde resin
脲醛树脂
1.
Application of air-stripped free formaldehyde from urea formaldehyde resin in rotating packed bed;
旋转填料床脱除脲醛树脂中游离甲醛的应用研究
2.
Synthesis of urea formaldehyde resin——Using NaOH to adjust pH value;
脲醛树脂合成工艺的初步探讨——以NaOH为pH值调节剂的合成方法
3.
This paper introduced some updated urea formaldehyde resin technologies developed in the USA including the high efficient and low solid content resin,the fast curing,resin for core layer,the high strength resin for surface layer,and different resin technologies with low formaldehyde emission developed at Hexion Specialty Chemicals Inc.
介绍瀚森化工公司高效能低固体含量脲醛树脂、快速固化芯层用脲醛树脂、高强度表层用脲醛树脂和低毒脲醛树脂技术。
6) urea resin
脲醛树脂
1.
Quantitative analysis of free formaldehyde content in urea resin by gas chromatography;
脲醛树脂中游离甲醛气相色谱的分析
2.
Mole ratio is the key factor that influenced the formal de hyde content of urea resin.
在制胶过程中 ,进行了 3种摩尔比试验 ,结果表明 ,摩尔比对脲醛树脂中甲醛含量影响极大 ,低摩尔比的脲醛树脂其游离甲醛含量低 ,用其生产的人造板产品 ,甲醛释放量也低 ,符合环保产品的标准。
3.
Magnesium oxychloride cement was modified with urea resin composite additive, the influences of additive content on the properties of cement article and the mechanism of waterproof modification were studied in this paper.
采用脲醛树脂复合外加剂 ,对氯氧镁水泥进行耐水改性 ,探讨了外加剂掺量对制品性能的影响及耐水改性机理。
补充资料:二羟甲基二羟基乙烯脲树脂
分子式:C5H10N2O5
分子量:178.15
CAS号:1845-26-8
性质:无色或淡黄色液体。相对密度1.2(20/4℃)左右,与水混溶。
制备方法:将乙二醛、甲醛、尿素加入反应釜,在50℃,pH7-8,反应3-4h,即得成品。也可先使尿素与乙二醛缩合,再与甲醛进行二次缩合,这种二步法合成的产品质量稳定,色泽较浅。工业产品含固量40-50%。原料消耗(kg/t)尿素(95%) 280甲醛(36-37%) 150乙二醛(40%) 195碳酸钠 11
用途:织物的耐久定型整理剂,耐洗和耐水解性优良,稳定性好,其应用日益广泛。
分子量:178.15
CAS号:1845-26-8
性质:无色或淡黄色液体。相对密度1.2(20/4℃)左右,与水混溶。
制备方法:将乙二醛、甲醛、尿素加入反应釜,在50℃,pH7-8,反应3-4h,即得成品。也可先使尿素与乙二醛缩合,再与甲醛进行二次缩合,这种二步法合成的产品质量稳定,色泽较浅。工业产品含固量40-50%。原料消耗(kg/t)尿素(95%) 280甲醛(36-37%) 150乙二醛(40%) 195碳酸钠 11
用途:织物的耐久定型整理剂,耐洗和耐水解性优良,稳定性好,其应用日益广泛。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条