德国毕克表面助剂 (2)ppt课件

1、Jakarta, JWA + BYK Seminar, 22.04.2021, Peter van DamSurface Additives外表助剂Silicones and Acrylates 有机硅和丙有机硅和丙烯烯酸酸酯酯, Page 2, Peter van Dam, BYK-Chemie, PGM Surface AdditivesTopics- Surface tension theory 外表张力实际- Silicones to improve substrate wetting 有机硅促进底材润湿- Formation and prevention of craters 缩孔的

2、构成和防止- Definition and improvement of flow and levelling- 流动和流平的定义和流动和流平的定义的改良- Silicones to adjust surface slip 有机硅调整滑爽- Acrylic levelling additives 丙烯酸流平剂- Silicone surfactants 有机硅外表活性剂- Dynamic surface tension reduction 降低动态外表张力- Acrylated and OH-functional products 丙烯酸酯和羟基官能团产品- Silclean for easy

3、 to clean surfaces 外表易清洁产品, Page 3, Peter van Dam, BYK-Chemie, PGM Surface Additives Molecules in liquids have a relatively high mobility 分子在液体中能相对的高速挪动 Inbetween the molecules there are cohesive forces 分子间存在着内聚力 The higher these cohesive forces are, the higher the surface tension will be Water73 mN

4、/m =strong cohesive forces hydrocarbons 23 mN/m =no cohesive forcesSurface tension外表张力内聚力越大，外表张力越高 水 强内聚力 烃 没有内聚力, Page 4, Peter van Dam, BYK-Chemie, PGM Surface AdditivesSurface tension外表张力Liquid液体Gas气体, Page 5, Peter van Dam, BYK-Chemie, PGM Surface AdditivesObjectives when formulating coatings*涂料

5、配方的目的- excellent flow and levelling 优良的流动性和流平性- sufficient substrate wetting 充分的底材润湿- no crater 没有缩孔-are directly related to the surface tension of this coating - 直接关系到该涂料的外表张力-organic modified silicones and acrylates influence the surface tension in such a way to improve these properties- 有机改性有机硅和丙

6、烯酸酯经过影响外表张力改善以上特性。, Page 6, Peter van Dam, BYK-Chemie, PGM Surface AdditivesPolydimethylsiloxane聚二甲基硅氧烷聚二甲基硅氧烷 (CH3)3 Si O Si O Si (CH3)3CH3CH3xHammertone 锤纹Flow流动Surface slip外表滑爽Defoaming消泡x2 - 2745 - 230380 - 15001800 - 2900Compatible 相容Incompatible 不相容, Page 7, Peter van Dam, BYK-Chemie, PGM Surf

7、ace Additives (CH3)3 Si O Si O Si O Si (CH3)3 CH3CH3yxAlkylmN/mCH3CH2CH3(CH2)9CH3212632Organic modified siloxane有机改性硅氧烷Organic ModificationAlkyl Polyether 聚醚 (EO / PO) Aralkyl 芳烷基 Polyester 聚酯 reactive 反响型- Acrylic 丙烯酸- COOH 羧酸- OH 羟基芳烷基芳烷基有机改性有机改性, Page 8, Peter van Dam, BYK-Chemie, PGM Surface Add

8、itivesSubstrate wetting*底材润湿Good substrate wetting:良好的底材润湿：paint substrateno additive不含助剂0,1% BYK-333涂料 底材, Page 9, Peter van Dam, BYK-Chemie, PGM Surface AdditivesMeasuring surface tension of liquids using the Du-Nouy ringmethod (static)运用提环法丈量液体的静态外表张力 =Fmax - FVL * cos , Page 10, Peter van Dam, B

9、YK-Chemie, PGM Surface AdditivesCMC (critical micelle concentration) in solutions containing surfactants 溶液中含外表活性剂的临界胶束浓度1000075706560555045403530252015105011010010000Concentration mg/LSurface tension mN/mSurfactant:外表活性剂Hydrophobic 憎水 (tail) 尾 Hydrophilic 亲水(head) 头WaterSurfaceAir含量外表张力, Page 11, P

10、eter van Dam, BYK-Chemie, PGM Surface AdditivesmN/mAdditive dosage助剂添加量0,050,1Substrate wetting*底材润湿, Page 12, Peter van Dam, BYK-Chemie, PGM Surface AdditivesVolume to Surface Area* 从体积到外表积50 m10 mV(olume)A(rea), Page 13, Peter van Dam, BYK-Chemie, PGM Surface AdditivesReduction of surface tension

11、with organic modified siloxanes有改性有机硅氧烷降低外表张力Dosage添加量mN/mBYK-300BYK-320BYK-331302928272625BYK-310BYK-333Flow/LevellingSubstrate wetting/Anti Cratering流动流平底材润湿抗缩孔, Page 14, Peter van Dam, BYK-Chemie, PGM Surface AdditivesOrientation of organic modified siloxanes有机改性硅氧烷定向SiOCH3CH3SiOCH3(CH3)3SiSiOCH3

12、CH3SiOCH3SiOCH3SiOCH3CH3SiOCH3CH3SiOCH3CH3SiOCH3OSi(CH3)3SiOCH3CH3SiOCH3SiOCH3SiOCH3SiOCH3CH3SiOCH3SiOCH3CH3SiOCH3CH3SiOCH3CH3(CH3)3SiOSi(CH3)3Substrate 底材Paint 油漆, Page 15, Peter van Dam, BYK-Chemie, PGM Surface AdditivesTypical surface tensions*各物质的外表张力white spirit 白电油白电油 Melamine resin氨基树脂 807060

13、50403020Phosphatized steel磷化钢材磷化钢材Water 水水Alkyd resin醇酸树脂醇酸树脂Acrylate丙烯酸酯丙烯酸酯SMC-Polyester 聚酯聚酯mN/mSolvents 溶剂溶剂Resins 树脂树脂Subtrates 底材底材water-borne 水性水性Xylene 二甲苯二甲苯Untreated steel 无处置钢材无处置钢材Polypropylene 聚丙烯聚丙烯, Page 16, Peter van Dam, BYK-Chemie, PGM Surface AdditivesSubstrate wetting and interfa

14、ces during coating application涂料施工中的底材润湿和界面情况Wet paint with silicone = 29 mN/mSolvent Evaporation 溶剂挥发Paint with silicone = 29 mN/mWet paint without silicone = 30 mN/mSolvent Evaporation 溶剂挥发Paint without silicone = 33 mN/m涂料不含有基硅Substrate = 31 mN/m底材, Page 17, Peter van Dam, BYK-Chemie, PGM Surface

15、 AdditivesContact Angle Measurement (KRSS)接触角度丈量接触角度丈量, Page 18, Peter van Dam, BYK-Chemie, PGM Surface AdditivesContact angle measurement (sessile drop)接触角度丈量座滴法Substrate 底材Contact angles of liquids液体的接触角09018045900, Page 19, Peter van Dam, BYK-Chemie, PGM Surface AdditivesMeasuring the surface ten

16、sion of solids固体的外表张力测试Sessile drop method:座滴法：Measuring the contact angle of five different liquids with known surface tension and polarities:用五种知外表张力和极性的液体丈量它们的接触角：- Water 水72.5810-3- Glycerine 甘油63.310-3- Ethylene glycol 乙二醇46.4910-3- Octanol 辛醇26.0610-3- Dodecan正十二烷 (25.4410-3)By regression anal

17、ysis calculate the surface tension of the substrate/dry paint 经过回归分析计算底材和干膜的外表张力, Page 20, Peter van Dam, BYK-Chemie, PGM Surface AdditivesCrater (contamination from outside)缩孔受外因影响Particle/粒子Droplet/液滴Dirt 污垢(28 mN)Paint 油漆(30 mN)Substrate 底材 32 mNCauses for and overcoming of surface defects外表缺陷的缘由

18、和处理方法Surface EffectsQ外表效果, Page 21, Peter van Dam, BYK-Chemie, PGM Surface AdditivesCrater (contamination of the substrate)缩孔底材被污染Droplet/Dirt液滴/污垢 (28 mN)Paint 油漆(30 mN)Substrate底材 32 mN, Page 22, Peter van Dam, BYK-Chemie, PGM Surface AdditivesCrater formation缩孔的构成Paintdroplet intowet paint涂料滴进湿膜中

19、left: same surface tension左：一样外表张力right: droplet with lowersurface tension 右：液滴外表张力更低, Page 23, Peter van Dam, BYK-Chemie, PGM Surface AdditivesLevelling: definition流平：定义Levelling (smallest possible interface liquid/air)After application 施工后After drying 枯燥后流平尽能够小的气流平尽能够小的气/液界面液界面, Page 24, Peter van

20、 Dam, BYK-Chemie, PGM Surface AdditivesFlow and Levelling流动和流平What influences flow and levelling? 影响流动和流平的要素？Rheology 触变性Time 时间Surface tension 外表张力Bnard cells 贝纳德漩涡How to improve flow and levelling? 如何改善流动和流平？Deflocculating W+D-additives (rheology in pigmented systems) 解絮凝润湿分散剂在颜料体系中触变Solvents (dry

21、ing time) 溶剂枯燥时间Resins 树脂Additives (Surface Tension) 助剂外表张力, Page 25, Peter van Dam, BYK-Chemie, PGM Surface AdditivesAdjusting flow and levelling 调理流动和流平What improves levelling most: high or low surface tension? 如何改善流平？外表张力高还是低？Surface tension = 484 mN/m外表张力 484 mN/mhigher surface tension = better

22、levelling!更高的外表张力更好的流平！Smallest surface area = excellent levelling最小的外表积 最好的流平Mercury水银, Page 26, Peter van Dam, BYK-Chemie, PGM Surface Additives25mN/mF35mN/mFA sphere is the smallest surface area possibleperfect flow and leveling球体拥有最小的外表积最优良的流动和流平Adjustment of Flow and Levelling (continued)调理流动和流

23、平续, Page 27, Peter van Dam, BYK-Chemie, PGM Surface AdditivesFormation of Bnard cells贝纳德漩涡的构成Surface外表Cross Section截面lower surface tension低外表张力higher surface tension高外表张力, Page 28, Peter van Dam, BYK-Chemie, PGM Surface AdditivesBnard Cells贝纳德漩涡, Page 29, Peter van Dam, BYK-Chemie, PGM Surface Addit

24、ivesAvoiding Bnard cells by adding silicones经过参与有机硅防止贝纳德漩涡Control 空白0,2% BYK-306, Page 30, Peter van Dam, BYK-Chemie, PGM Surface AdditivesFlow and Levelling*流动和流平after application施工后after drying枯燥后levelling additive流平剂, Page 31, Peter van Dam, BYK-Chemie, PGM Surface AdditivesLevelling depending on

25、 the additive dosage*流平性取决于助剂添加量High 高Strong强Minor弱Low 低Waviness 波长Dosage 添加量BYK-333BYK-300BYK-320, Page 32, Peter van Dam, BYK-Chemie, PGM Surface AdditivesSilicones to improve levelling有机硅改善流平Dosage 用量mN/mBYK -320BYK -300BYK -331BYK -310302928272625BYK -306/-333, Page 33, Peter van Dam, BYK-Chemie

26、, PGM Surface AdditivesSubstrate Wetting And Flow 底材润湿和流动Substrate底材: Surface tension外表张力 30 mN/mSystem体系 1:Surface tension外表张力 33 mN/mSystem体系 3: Surface tension外表张力 25 mN/mSystem体系 2:Surface tension外表张力 29 mN/mSystem体系 1:No substrate wetting无底材润湿Poor flow 流动性差Action:Reduce surface tension, thenadj

27、ust flow and leveling withless active silicones or Acrylates方法：降低外表张力，用低活性有机硅或丙烯酸酯System体系 2:Good substrate wetting 良好的底材润湿Action:If needed, adjust flow and leveling With less active silicones or Acrylates方法：假设需求，用低活性有机硅或丙烯酸酯改善流动和流平System 体系3:Good substrate wetting Poor flow and leveling太好的底材润湿，流动和流

28、平差Action:Increase surface tension byreducing the amount ofactive silicones, then adjustflow and leveling方法：减少活性有机硅用量从而添加外表张力，改善流动和流平, Page 34, Peter van Dam, BYK-Chemie, PGM Surface AdditivesMeasuring coefficient of friction (surface slip)丈量摩擦系数外表滑爽度force sensor 力传感器FN = m gFF = COF FN COF = coeffic

29、ient of friction 摩擦系数m = mass of the weight 砝码分量g = acceleration of gravity 重力加速度, Page 35, Peter van Dam, BYK-Chemie, PGM Surface AdditivesSurface slip外表增滑higher content of dimethylgroups = higher surface slip (lower COF)更高含量的二甲基团 = 外表更滑更低的摩擦系数, Page 36, Peter van Dam, BYK-Chemie, PGM Surface Addit

30、ivesImproving surface slip with siliconesQ运用有机硅外表增滑Dosage 添加量Slip 滑爽度BYK-320BYK-331BYK-310BYK-300BYK-333Levelling 流平Substrate wetting 底材润湿Low低Low 低High高High 高, Page 37, Peter van Dam, BYK-Chemie, PGM Surface AdditivesMobility of Silicones有机硅迁移150CFirst paint layer 第一漆层第一漆层Silicone additive有机硅助剂有机硅助剂

31、150CSecond paint layer第二漆层第二漆层Baking temperature of first paint layer第一漆层的烘烤温度第一漆层的烘烤温度, Page 38, Peter van Dam, BYK-Chemie, PGM Surface AdditivesIntercoat Adhesion层间附着力Influence of silicone dosage level 有机硅添加量的影响0,01 %0,1 % 0,2 %130 C 150 C 170 CInfluence of baking temperature 烘烤温度的影响, Page 39, Pet

32、er van Dam, BYK-Chemie, PGM Surface AdditivesThermostable Polysiloxanes耐热性聚硅氧烷 (CH3)3 Si O Si O Si O Si (CH3)3 CH3CH3yxPolyester or AralkylAlkyl聚酯或芳烷基聚酯或芳烷基芳烷基芳烷基, Page 40, Peter van Dam, BYK-Chemie, PGM Surface AdditivesThermostability of Polysiloxanes热稳定性的硅氧烷% weight 分量分量(Polyether)(Aralkyl)(Polye

33、ster)020406080100130 C170 C200 C230 C260 C290 CBYK-300BYK-310BYK-322 聚醚聚醚 聚酯聚酯 芳烷基芳烷基, Page 41, Peter van Dam, BYK-Chemie, PGM Surface AdditivesOverview of Silicones*有机硅概略有机硅概略Surface Tension Reduction 降低外表张力降低外表张力BYK-323BYK-322BYK-077/-085BYK-320BYK-315BYK-325BYK-330BYK-370BYK-377BYK-UV 3510BYK-300

34、BYK-341BYK-373BYK-337BYK-333BYK-306BYK-307BYK-340BYK-302BYK-331/-332HIGH 高LOW 低Polarity 极性极性HIGH高LOW 低BYK-378heat stable 热稳定型S/B 溶剂型S/B + W/B 水性+溶剂型Reactive 反响型Defoaming/Leveling 消泡 / 流平BYK-310BYK-344BYK-375BYK-371BYK-335, Page 42, Peter van Dam, BYK-Chemie, PGM Surface AdditivesPolyacrylate based L

35、evelling Additives聚丙烯酸酯流平剂, Page 43, Peter van Dam, BYK-Chemie, PGM Surface AdditivesChemistry of Acrylate Levelling Additives丙烯酸酯流平剂的化学特性 Homopolymers,均聚物，构造或嵌段共聚物statistical or block copolymersnR1C CH2C = OOR2 R1 =- H (Acrylate ) 丙烯酸盐- CH3 (Methacrylate ) 甲基丙烯酸盐 Possible reactive groups:- OH可反响基团

36、- COOH R2 =- Alkyl 烷基- Polyester 聚酯- Polyether 聚醚- Salt 盐, Page 44, Peter van Dam, BYK-Chemie, PGM Surface AdditivesAcrylate Levelling Additives*丙烯酸酯流平剂Orientation towards the surface by controlled incompatibility经过受控不相容性在朝向外表方向定向too compatible太相容too incompatible太不相容Optimum最适宜leveling additives 流平剂,

37、 Page 45, Peter van Dam, BYK-Chemie, PGM Surface AdditivesAcrylic levelling additives: mode of action丙烯酸酯流平剂：任务方式solvent evaporates after application 施工后溶剂挥发additive orients in the interface liquid/gas 助剂在液/气界面定向solvent evaporation 溶剂挥发levelling additive流平剂流平剂, Page 46, Peter van Dam, BYK-Chemie, PG

38、M Surface AdditivesAcrylic levelling additives: mode of action丙烯酸酯流平剂：任务方式Improved levelling with acrylates due to reduction of surface tension differences in the interface (preventing Benard cells) 丙烯酸酯由于降低界面的外表张力差别而促进流平防止贝纳德漩涡, Page 47, Peter van Dam, BYK-Chemie, PGM Surface AdditivesHow to judge

39、levelling*怎样调整流平Good performance:性能好：性能好：(right compatibility)适当相容性适当相容性 Higher gloss 更高光泽更高光泽 Lower haze 更低雾影更低雾影 Good levelling 流平性更好流平性更好 Defoaming or no foam stabilization 消泡或不稳泡消泡或不稳泡Poor performance: 性能差性能差(too incompatible) 太不相容太不相容 Glossreduction 光泽降低光泽降低 Haziness 雾影雾影 White spotting 白点白点 St

40、icky surface 粘的外表粘的外表 Cratering tendency and orange peel effect 缩孔倾向和橘皮缩孔倾向和橘皮 Foamstabilization 稳泡稳泡 Strong immediate separation in the wet paint 在湿膜中直接剧烈分在湿膜中直接剧烈分层层, Page 48, Peter van Dam, BYK-Chemie, PGM Surface AdditivesAcrylic levelling additives丙烯酸酯流平剂low Polarity high低 极性 高Molecular weight

41、分子量800006000040000200000levelling solvent borne 溶剂型流平levelling water borne 水性流平levelling, substrate wetting 流平，底材润湿anti popping 防破泡release effect 抗粘连效果BYK-392BYK-356/355 BYK-390BYK-354BYK-394 BYK-381BYK-380BYK- 340 BYK-359BYK-352 BYK-350 BYK-388 BYK-361/358N, Page 49, Peter van Dam, BYK-Chemie, PGM

42、Surface AdditivesAcrylic levelling additives with defoaming properties带消泡特性的丙烯酸酯流平剂low Polarity high低 极性 高Molecular weight 分子量800006000040000200000BYK-392BYK-356/355 BYK-390BYK-354BYK-394 BYK-381BYK-380BYK- 340 BYK-359BYK-352 BYK-350 BYK-388 BYK-361/358N, Page 50, Peter van Dam, BYK-Chemie, PGM Surf

43、ace AdditivesAnti Popping Mechanism*防爆泡机理Additive,increases the open time, solvent can be released助剂添加了开放时间，溶剂可以释放Resin closes the surface, solvent remains entrapped 在接近外表的树脂，溶剂的残留带来缺陷, Page 51, Peter van Dam, BYK-Chemie, PGM Surface AdditivesBYK-394 mode of actionBYK-394任务方式 none polar groups orien

44、t in the interface and provide the release effect 非极性基团在外表定向，同时 提供抗粘连效果 crosslinking provides permanent effect 交联提供耐久效果 no reduction in the surface tension of the wet paint 在湿膜中不会降低外表张力非极性基团聚丙烯酸酯反响基团, Page 52, Peter van Dam, BYK-Chemie, PGM Surface AdditivesBYK-394Foil Release Effect with a Polyeste

45、r Melamine Coil Coating在聚酯氨基卷材涂料中的抗粘连效果, Page 53, Peter van Dam, BYK-Chemie, PGM Surface AdditivesLevelling Additives in Powder Form for Powder Coatings流平剂在粉末涂料中促进粉末构成Silicate-basedporous carrier基于硅酸盐的多孔性载体Active substance(polyacrylate)反响物质聚丙烯酸酯, Page 54, Peter van Dam, BYK-Chemie, PGM Surface Addit

46、ivesAcrylate Leveling Additives for Powder Coatings粉末涂料用的丙烯酸酯流平剂Molecular weight 分子量分子量80000600004000020000Low低0Polarity极性极性High高BYK-363P/361N BYK-356 BYK-360PBYK-366P/359 BYK-364P BYK-368P , Page 55, Peter van Dam, BYK-Chemie, PGM Surface AdditivesSilicones and acrylatesQ有机硅和丙烯酸酯Silicones: 有机硅 Orie

47、nt in the liquid/gas interface due to their surface activity (surfactant structure):由于它们的外表活泼性外表活性剂构造在液/气界面中定向Substrate wetting 底材润湿Anti cratering 抗缩孔Levelling 流平Surface slip / Release 外表增滑 / 抗粘连Acrylates: 丙烯酸酯 Orientation in the liquid/gas interface due to controlled incompatibility:由于受控不相容性在液/气界面中

48、定向 - Levelling 流平- Anti popping (prevent boiling marks) 防爆泡防止沸痕, Page 56, Peter van Dam, BYK-Chemie, PGM Surface AdditivesOrganic modified silicones for water borne systems水性体系中用有机改性有机硅 Silicone surfactants 有机硅外表活性剂 Polymeric silicones 高分子有机硅 Silicone free products to reduce dynamic surface tension

49、降低动态外表张力的非硅类产品, Page 57, Peter van Dam, BYK-Chemie, PGM Surface Additivespolar 极性non polar 非极性Polyether聚醚(CH2)m Si CH3 CH3Si(CH3)3CH3OOSiOCH3CH3SiSi(CH3)3OSilicone surfactant for water borne systems水性体系用的有机硅外表活性剂, Page 58, Peter van Dam, BYK-Chemie, PGM Surface AdditivesOrientation of Silicone Surfa

50、ctants有机硅外表活性剂的定向Paint 油漆Substrate 底材SiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSiSi1/32/3, Page 59, Peter van Dam, BYK-Chemie, PGM Surface AdditivesComparing size of silicone surfactants with polymeric silicones带有高分子有机硅的外表活性剂的大小的比较(Si-O)5Polyether 聚醚

51、(Si-O)20(Si-O)20(Si-O)20(Si-O)20(Si-O)20PolyetherPolyetherPolyetherPolyetherPolyetherPolyetherPolymeric (MW = 10000) 聚合度Surfactant (MW = 800)外表活性剂, Page 60, Peter van Dam, BYK-Chemie, PGM Surface AdditivesReduction of surface tension in water在水中降低外表张力403530252015Silicone polymer 有机硅聚合物Silicone surfa

52、ctant 有机硅外表活性剂Fluorsurfactant 氟外表活性剂Dosage 添加量mN/m, Page 61, Peter van Dam, BYK-Chemie, PGM Surface AdditivesFoam stabilization稳泡添加量Dosage (%)System: PU clearcoat 体系：聚氨酯清漆00,10,20,30,4Fluorsurfactant氟外表活性剂BYK-348BYK-346Foam Volume (%) 泡沫体积50250, Page 62, Peter van Dam, BYK-Chemie, PGM Surface Additi

53、vesFoam stabilization in resin emulsion在树脂乳液中的稳泡Control空白siliconeSurfactant有机硅FluorSurfactant氟, Page 63, Peter van Dam, BYK-Chemie, PGM Surface AdditivesSpreading扩撒 Waterdroplet on Wood 水滴在木头上+silicone surfactant加有机硅外表活性剂加有机硅外表活性剂+ polymeric silicone加高分子有机硅加高分子有机硅, Page 64, Peter van Dam, BYK-Chemie

54、, PGM Surface AdditivesSilicone surfactants - area of usage*有机硅外表活性剂-运用范围0%5%15%BYK-347Organic co-solvent on total solvent blend有机助溶剂在总混合溶剂中的量BYK-333BYK-307BYK-341BYK-348BYK-345BYK-346BYK-349, Page 65, Peter van Dam, BYK-Chemie, PGM Surface AdditivesSilicone surfactants differentiation有机硅外表活性剂-区别BYK

55、-347:automotive base coats, good recoatability and spray acceptance 适用于汽车面漆，良好的重涂性和喷涂性BYK-349:most universal 最通用, Page 66, Peter van Dam, BYK-Chemie, PGM Surface AdditivesSurface slip in water borne systems*水性体系中增滑silicone surfactant, 有机硅外表活性剂e.g. BYK-349Polymeric silicone,高分子有机硅 e.g. BYK-333COF1.00

56、.2Dosage 添加量Low 低High 高, Page 67, Peter van Dam, BYK-Chemie, PGM Surface AdditivesAdditive recommendations for water borne systemsQ水性体系中助剂的引荐Levelling 流平流平Substrate wetting 底材润湿底材润湿Pinholes 针孔针孔Surface slip 增滑增滑Hybrid/Emulsion混合物混合物/乳液乳液BYK-380/-381BYK-348/347BYKETOL-AQBYK-333Watersoluble水溶性水溶性BYK-3

57、80/-381BYK-349BYKETOL-AQBYK-333/-341Only additive combinations fulfil the objectives !只需合用助剂才可以到达目的！只需合用助剂才可以到达目的！, Page 68, Peter van Dam, BYK-Chemie, PGM Surface AdditivesBYK-DYNWET 800BYK-DYNWET 800100% non ionic surfactant (silicone free)100%非离子型外表活性剂非有机硅非离子型外表活性剂非有机硅 Excellent substrate wetting

58、 under high speed application conditions 在高速施工条件在高速施工条件下拥有优良的底材润湿才干下拥有优良的底材润湿才干 Strong reduction of dynamic surface tension in water borne systems 在水性体系下剧烈降低在水性体系下剧烈降低动态外表张力动态外表张力, Page 69, Peter van Dam, BYK-Chemie, PGM Surface AdditivesDynamic surface tension动态外表张力动态外表张力, Page 70, Peter van Dam, B

59、YK-Chemie, PGM Surface AdditivesBubble pressure method (dynamic)Q气泡压力法动态气泡压力法动态Surface tension 外表张力外表张力 (mN/m)Frequency (Hz)频率频率2030400,2 12345678910BYK-348BYK-DYNWET 800, Page 71, Peter van Dam, BYK-Chemie, PGM Surface AdditivesFunctional organic modified siloxanes有机官能团改性的硅氧烷有机官能团改性的硅氧烷Acrylated an

60、d OH-functional products for UV, baking- and 2K-systems to achieve permanent properties.在UV、烤漆和双组分体系下丙烯酸酯和羟基官能团产品可以到达耐久效果。, Page 72, Peter van Dam, BYK-Chemie, PGM Surface AdditivesBYK organic modified silicones for UV systemsBYK 为为UV体系开发的改性有机硅体系开发的改性有机硅Polymeric organic modified siloxanes:聚合物有机改性硅氧