Carbomer树脂通论学习资料.ppt

Noveon 功能性原料Carbopol, Pemulen和 Avalure 聚合物特性和应用,诺誉化工有限公司 Consumer Specialties Group Personal Care Division,,概述,I.Carbopol and Pemulen Polymers 的介绍 II.Carbopol ETD Polymers III.Carbopol Ultrez 10 Polymer IV.Pemulen Polymeric 乳化剂,V.Avalure 成膜剂 VI.表面活性剂体系中的应用 VII.个人护理产品中应用 VIII.H2O2 凝胶中的流变调节,,Noveon 功能性原料 Carbopol 和 Pemulen高分子流变调节剂,诺誉化工有限公司 Consumer Specialties Group Personal Care Division,,Carbopol and Pemulen 高聚物介绍,,概要 A.什么是 Carbopol and Pemulen 高分子聚合物? B. Carbopol and Pemulen高分子聚合物的六种主要功能 C.Carbopol高分子聚合物的特性 D.Carbopol 凝胶的流变性 E.Carbopol and Pemulen 敏感性 F.Carbopol and Pemulen高分子聚合物的使用 G.疑难解答,Carbopol 在个人护理产品中的应用,头发护理 香波 定型着哩 摩丝 染发产品 烫发产品,皮肤护理 保湿着哩 膏霜和乳液 含酒精的着哩胶 防晒产品 沐浴露 脱毛膏,Carbopol在药用产品中的应用,药片和胶囊 口腔护理产品（牙膏） 生物粘附应用 局部给药着哩胶 局部给药霜和乳液 含漱乳液及外敷乳液 兽用药,Carbopol 用于家居护理 and I短流 均聚物5984奶油状感觉;对盐敏感 940980 Ultrez 10非常高黏度;短流;均聚物ETD 2001*奶油状感觉; 对盐敏感 941981 ETD 2050低黏度;长流 均聚物 拉丝结构;对盐敏感 13421382 ETD 2020高黏度; 长流共聚物Pemulen TR-1拉丝结构Pemulen TR-2对盐敏感不高,,,,,,,,,,易分散的 Carbopol 树脂,凝胶特性,树脂类型,*ETD 2001 对盐更不敏感,,,Carbopol 25 C,RheologicalSymbol, PropertyUnits934940941Ultrez 10ETD 2020 ETD 2001 RigidityGO, Pa74043026980326540 ThixotropicT.I., 3054353101283 IndexPa/s.cm3 Yield Stressyld, Pa9510014110150124 Viscosity, mPa.s (cP)74,50075,80010,70084,30063,20077,300,,,,,,,,,,Carbopol,Carbopol,Carbopol,Carbopol,,,Carbopol 微胶体的硬度,,PolymerRigidityMucilage Texture Carbopol 13426Long rheology/Soft Carbopol 94125Long rheology/Soft Carbopol 940430Short rheology/Soft Carbopol 934790Short rheology/Soft,Carbopol 和Pemulen 的敏感性,Carbopol 和 Pemulen 聚合物的敏感性,Mechanical shear Ions and salts Cationics UV light Temperature Microbes,Effect of Mechanical Shear,Prolonged homogenization is not recommended Irreversible loss of viscosity and yield value may occur Neutralized Carbopol polymer Prolonged shearing results in viscosity loss Pumping of gel best done with diaphragm and positivedisplacement pumps Unneutralized Carbopol polymer Less susceptible to shear degradation (except for 941 “type”) Marine-blade agitation recommended Lower cross-linked Carbopol polymers are the most sensitive,,Effect of Turbine Shear on Viscosity of 0.5% Carbopol Polymer Mucilage,Tekmar rotor-stator homogenizer 8,500 rpm,Shear Time (minutes),,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,50,000,40,000,30,000,20,000,10,000,0,0,5,10,20,,,,980, 940,981, 941,1382, 1342,Carbopol Polymer,pH = 7.0 Brookfield RVT 20 rpm,Viscosity, cP (mPas),Effect of Electrolytes on Viscosity,Effect: Permanent loss of viscosity Reduction of clarity Multi valent ions cause more serious impact Solution: Minimize electrolytes whenever possible Increase concentration of Carbopol polymer,Electrolyte Sensitivity of Carbopol and Pemulen Polymers,Sources of electrolytes: Formulation Inorganic salts, ionic surfactants, botanicals, some preservatives Water Sodium ions from soft water Calcium and magnesium ions from hard water Chloride from treated tap water Note: Deionized water is recommended,Relative Electrolyte Sensitivity ofCarbopol Polymers,Each Carbopol polymer can tolerate certain levels of electrolytes Carbopol ETD 2020 1342 ETD 2001 ETD 2050 941 940 934 Ultrez 10 In all cases, electrolytes reduce thickening efficiency,Effect of Salt on Carbopol Polymer Gels,Before Salt Addition:,,,,,,,,,,,,,,,,,,,,Swollen Microgel,Suspended Particle,Effect of Salt on Carbopol Polymer Gels,After Salt Addition:,,,,,,,,,,,,,,,,,,Collapsed Microgel,Particle,,,,,,,,Effect of Mono- and Divalent Saltson Carbopol Polymer,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,0.01,0.02,0.05,0.10,0.20,0.50,1.00,100,250,500,1,000,2,500,5,000,10,000,,,,,Polymer (wt %),941 (1.00 wt %) effect of NaCl effect of CaCl2,941 (0.25 wt %) effect of NaCl effect of CaCl2,,,,,pH = 7.0 Brookfield RVT 20 rpm,Viscosity, cP (mPas),,% NaCl Effect on Carbopol Polymer Gel Viscosities,1.0% Polymer pH 7.0 - 7.3,NaCl Concentration (wt %),80,000,70,000,60,000,50,000,40,000,30,000,20,000,10,000,0,0,0.2,0.4,0.6,1.0,,,,,980, 940,5984, 934,981, 941,1382, 1342,Carbopol Polymer,Brookfield RVT 20 rpm,0.8,Viscosity, cP (mPas),,Viscosity Response of Carbopol Gels to Salt,,,,,,,,,,,,,45,000,40,000,35,000,30,000,25,000,20,000,15,000,10,000,5,000,0.0,0.2,0.4,0.6,0.8,1.0,NaCl Concentration (wt %),,,,1382,ETD 2020,1342,1.0% Polymer pH 7.0,Brookfield RVT 20 rpm,Viscosity, cP (mPas),,Viscosity Response of Carbopol Gels to Salt,NaCl Concentration (wt %),1.0% Polymer pH 7.0,Brookfield RVT 20 rpm,Carbopol Polymer,Viscosity, cP (mPas),Viscosity vs. Polymer Concentrationin NaCl Solution,( in 1% NaCl salt solution at pH 7.6 ),,Carbopol 934,Carbopol 940,Carbopol 941,Carbopol ETD 2020,Carbopol Ultrez 10,,Thickening a 5% NaCl Solution,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,100,000,10,000,1,000,100,1.0,2.0,3.0,4.0,5.0,Polymer Concentration (wt %),,,,Carbopol 1342,Carbopol 941,Carbopol 940,,Brookfield RVT 20 rpm,Viscosity, cP (mPas),阳离子的影响,阳离子的影响 透明度下降 黏度损失 Complexation of anionic polymer causes precipitation 因由 Carbopol 树脂是阴离子聚合物 解决方法 使用非常低浓度的阳离子 加入阳离子之前中和 采用低电荷密度高分子量的阳离子 比如: 聚季胺盐-39, 阳离子瓜尔胶 采用耐离子的Carbopol ETD 20。