1) powdery urea resin
粉状脲醛树脂
1.
The development and application of UF-G Low poisonous powdery urea resin;
UF-G低毒粉状脲醛树脂开发与应用
2) Powder urea resin
粉末脲醛树脂
3) 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
4) 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。
5) 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:脲醛纤维
分子式:
CAS号:
性质:由尿素和甲醛制成的三维交联抗燃纤维。纤度10dtex,强度2cN/dtex,伸长率20%,密度1.5g/cm3,在21℃和65%与100%相对湿度下的含湿率各为9%和15%,极限氧指数大于30。制法:(1)以干纺为主,将脲醛的水溶液干纺后在230℃热处理而得;(2)离心纺丝,将适量硫酸铵催化剂加入脲醛树脂中,再混入少量聚氧乙烯,在70℃离心纺丝,再于150℃固化30min,交联度高达96.6%,不熔也不发黄;(3)湿纺,采用与10%PVA与2%硼酸水溶液混合,脲醛树脂经三乙醇胺改性,它与聚乙烯醇的混合比为68:32,湿纺后在空气和含硫酸钠和硫酸水浴中两段拉伸后,在175℃再拉伸并于138℃固化17h而得,强度2.2cN/dtex,伸长率8%。用作抗燃制品。
CAS号:
性质:由尿素和甲醛制成的三维交联抗燃纤维。纤度10dtex,强度2cN/dtex,伸长率20%,密度1.5g/cm3,在21℃和65%与100%相对湿度下的含湿率各为9%和15%,极限氧指数大于30。制法:(1)以干纺为主,将脲醛的水溶液干纺后在230℃热处理而得;(2)离心纺丝,将适量硫酸铵催化剂加入脲醛树脂中,再混入少量聚氧乙烯,在70℃离心纺丝,再于150℃固化30min,交联度高达96.6%,不熔也不发黄;(3)湿纺,采用与10%PVA与2%硼酸水溶液混合,脲醛树脂经三乙醇胺改性,它与聚乙烯醇的混合比为68:32,湿纺后在空气和含硫酸钠和硫酸水浴中两段拉伸后,在175℃再拉伸并于138℃固化17h而得,强度2.2cN/dtex,伸长率8%。用作抗燃制品。
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