硅烷在涂料中的應(yīng)用silanesforcoatings

1、Silanes for Coatings硅烷在涂料中的應(yīng)用硅烷在涂料中的應(yīng)用Shiu-Chin Cindy Su蘇黃秀琴蘇黃秀琴Momentive Performance MaterialsShiu-Chin.S914-784-4905Company History 公司的歷史公司的歷史1993 Divestiture1995 Acquisition1999 Merger / Crompton & Knowles2000 Name Change2003 AcquisitionLate 1950s2006 DivestitureFunction of Silanes in Coating

2、s硅烷在涂料中的特殊功能硅烷在涂料中的特殊功能 Adhesion Promotion 增強附著力增強附著力 Especially between organic polymers and inorganic oxide substrates 特別是在有機聚合物與無機氧化物之間特別是在有機聚合物與無機氧化物之間 Some examples exist for adhesion to nonfunctional organic substrates 在難附著的有機底材上增強附著力在難附著的有機底材上增強附著力 Crosslinking 交聯(lián)劑交聯(lián)劑 Convert reactive polymer

3、s (isocyanate, polyol, polyamine) to moisture cure chemistry 可反應(yīng)性聚合物具有潮氣固化可反應(yīng)性聚合物具有潮氣固化反應(yīng)的特點反應(yīng)的特點VOC Reduction 減少減少 VOC Dispersion 幫助分散幫助分散 Compatibilize high-energy particulates with organic matrices 幫助高能量粒子在有機物中的分散；幫助高能量粒子在有機物中的分散；Silanes are Dual-Functional Molecules硅烷是雙功能的分子硅烷是雙功能的分子 Organic por

4、tion bonds or interacts with a polymer or organic surface. 有機基團可以與聚合物或有機表面形成化學(xué)鍵；有機基團可以與聚合物或有機表面形成化學(xué)鍵； Silane portion bonds or interacts with metal, glass or inorganic surface (adhesion). 硅烷基團可以與金屬，玻璃等無機表面形成化學(xué)鍵；硅烷基團可以與金屬，玻璃等無機表面形成化學(xué)鍵； Can react with other silane-modified polymers (crosslinking). 可與其它

5、硅烷改性的聚合物反應(yīng)（交聯(lián)）可與其它硅烷改性的聚合物反應(yīng)（交聯(lián)）XSiORORORHydrolysis and Condensation水解和縮合反應(yīng)水解和縮合反應(yīng)1. Hydrolysis Reaction 水解反應(yīng)水解反應(yīng) OHH2N(CH2)3Si (OCH3)3 H2N(CH2)3Si OH + 3 CH3OH (Silquest A-1110 silane) OH2. Condensation 縮合反應(yīng)縮合反應(yīng) OH OHH2N(CH2)3Si OH + HO Si H2N(CH2)3Si O Si OH OHH2O- H2OSurface silanolFunctionalized

6、 surfaceHydrolysis and Condensation of Organofunctional Silanes pH值對硅烷水解和縮合反應(yīng)的影響-6-5-4-3-2-1012345678910log k pH水解(kobs, s-1)縮合(kobs, M-1s-1)E. R. Pohl et. al. Function of Silanes in Coatings硅烷在涂料中的特殊功能硅烷在涂料中的特殊功能 Adhesion Promotion 增強附著力增強附著力 Especially between organic polymers and inorganic oxide

7、substrates 特別是在有機聚合物與無機氧化物之間特別是在有機聚合物與無機氧化物之間 Some examples exist for adhesion to nonfunctional organic substrates 在難附著的有機底材上增強附著力在難附著的有機底材上增強附著力 Crosslinking 交聯(lián)劑交聯(lián)劑 Convert reactive polymers (isocyanate, polyol, polyamine) to moisture cure chemistry 可反應(yīng)性聚合物具有潮氣固化可反應(yīng)性聚合物具有潮氣固化反應(yīng)的特點反應(yīng)的特點VOC Reduction

8、 減少減少 VOC Dispersion 幫助分散幫助分散 Compatibilize high-energy particulates with organic matrices 幫助高能量粒子在有機物中的分散；幫助高能量粒子在有機物中的分散；How Does Silane Enhance Adhesion硅烷增加附著力的化學(xué)原理硅烷增加附著力的化學(xué)原理H2O+SiORORORFGSiOHOHOHFG3+ 3 ROHSiOHOHOHFG+HOOOHOHFGSiHHOHOHOm etalHOHOm etalOHOHFGSiOm etalHOHO- H2O- H2OOSiOHOHFGm etal

9、SiOFGHOSiOHOFGOHHOMetal = SubstrateMatch FG with Resin system有有機基團與樹脂的反應(yīng)性相匹配機基團與樹脂的反應(yīng)性相匹配FG = 有機基團Relative Silane Effectiveness有機硅烷對有機硅烷對無機材料無機材料的反應(yīng)性的反應(yīng)性Silica, Quartz, Glass 石英，玻璃石英，玻璃Aluminum, Alumina 鋁材，氧化鋁鋁材，氧化鋁Copper 銅銅Wollastonite 硅酸鹽硅酸鹽Aluminosilicates (clays)硅酸鋁硅酸鋁Mica云母云母Talc 滑石粉滑石粉Iron, st

10、eel 鐵，鋼鐵，鋼Asbestos 石棉石棉Nickel 鎳鎳Zinc 鋅鋅Lead 鉛鉛Calcium carbonate (chalk)碳酸鈣碳酸鈣Calcium sulfate (gypsum)硫酸鈣硫酸鈣Barium sulfate (baryte)硫酸鋇硫酸鋇Carbon black (untreated)碳黑碳黑Graphite 石墨石墨Excellent優(yōu)異優(yōu)異Good好好Some一般一般None無作用無作用How do you use a Silane? 如何使用硅烷如何使用硅烷Two ways 兩種方法兩種方法 ： Primer 作為底涂作為底涂 Integral Blen

11、d 添加在涂料中添加在涂料中Primer: Pretreat substrate with silane. Very efficient use of silane for adhesion promotion, not efficient resin crosslinking (minimal stability problem), two step process.底涂底涂:硅烷對基材預(yù)處理，對附著力促進非常有效，不影響樹脂的硅烷對基材預(yù)處理，對附著力促進非常有效，不影響樹脂的貯存穩(wěn)定性，兩步法底涂涂料。貯存穩(wěn)定性，兩步法底涂涂料。Integral blend: Mix silane in

12、to coating formulation. Much better for crosslinking, also good for adhesion promotion. Possible silane hydrolysis and condensation on storage. Most customers will do it this way.將硅烷添加到涂料配方中，增加樹脂體系的交聯(lián)密度，同時促進將硅烷添加到涂料配方中，增加樹脂體系的交聯(lián)密度，同時促進附著力。在儲存時，硅烷可能會發(fā)生水解和縮合反應(yīng)，影響儲存附著力。在儲存時，硅烷可能會發(fā)生水解和縮合反應(yīng)，影響儲存穩(wěn)定性。穩(wěn)定性。T

13、ypical Primer Formulation硅烷底涂的硅烷底涂的參考配方參考配方Primer suitable for an epoxy or urethane system適用于環(huán)氧或聚氨酯適用于環(huán)氧或聚氨酯涂料涂料：組份重量份Silquest A-1100或A-1120硅烷 5SDA-30 醇(91.11%乙醇+8.89%甲醇) 40蒸餾水 Distilled water 5甲苯 toluene 40n-丁醇 n-Butanol 5丁基纖維素Butyl Cellosolve 5Application of Primer 底涂的應(yīng)用底涂的應(yīng)用Dissolve 0.5-5.0 weigh

14、t percent silane in a compatible, volatile solvent (or mixture) 溶解0.5-5.0硅烷于揮發(fā)溶劑中 Alcohols are most commonly used, for water compatibility.對不溶于水的硅烷，通常使用乙醇，以保持與水的相溶性對不溶于水的硅烷，通常使用乙醇，以保持與水的相溶性Equal parts water (based on silane) may be added to prehydrolyze silane if water is compatible with the solvent

15、. 加入與硅烷相同量的水來預(yù)水解加入與硅烷相同量的水來預(yù)水解 If primer is to be used immediately, the solution may be acidified.如果底涂馬上使用，溶液可以是酸性的如果底涂馬上使用，溶液可以是酸性的Apply to clean, grease-free surface. 涂布于清潔無油的表面涂布于清潔無油的表面 Wiping, spraying, brushing, dipping，擦涂，噴涂，刷涂，浸涂擦涂，噴涂，刷涂，浸涂 Film thickness 0.1 mil ， 膜厚膜厚400-1% CoatOSil 175710

16、0861.752% CoatOSil 1757180881.63% CoatOSil 1757320891.556% CoatOSil50.5% A-17440881.6Crosslinking and performance increases with increasing silane incorporation 交聯(lián)密度和性能隨硅烷用量的增加而增加交聯(lián)密度和性能隨硅烷用量的增加而增加Performance Summary of Silylated Latexes硅烷化乳液的性能硅烷化乳液的性能* Mole % silaneCured 20 min. 120 C

17、Measurement of Silane Hydrolysisof Silylated Latexes硅烷化乳液中硅烷水解的測定硅烷化乳液中硅烷水解的測定Not easy to do quantitatively, reproducibly 難以定量，重復(fù)性差難以定量，重復(fù)性差Technique must not allow further hydrolysis 測定時，要控制硅烷不再繼續(xù)水解測定時，要控制硅烷不再繼續(xù)水解Solution 解決方案解決方案:Low-temperature trap-to-trap separation of volatiles (低溫冷阱法分離揮發(fā)組分）低溫

18、冷阱法分離揮發(fā)組分）GC analysis for alcohol of hydrolysis (GC 分析水解產(chǎn)物醇）分析水解產(chǎn)物醇）Solid-state 29Si NMR analysis of non-volatile polymer (固態(tài)固態(tài) 29Si NMR 分析不揮發(fā)的聚合物）分析不揮發(fā)的聚合物）Separation of Volatiles from Solids in Silylated Latexes 從硅烷化乳液中分離揮發(fā)組分從硅烷化乳液中分離揮發(fā)組分Done cold to prevent silane hydrolysis/condensation保持低溫保持低溫

19、阻止硅烷水解阻止硅烷水解/縮聚縮聚Trap-to-trap distillation technique used 低溫冷阱蒸餾技術(shù)低溫冷阱蒸餾技術(shù):Freeze sample in liquid N2 用液氮冷卻樣品用液氮冷卻樣品Attach to system containing U-tube, trap 用用U型管連接真空冷阱和樣品型管連接真空冷阱和樣品Evacuate system, freeze trap with liq. N2 真空體系，用液氮冷卻真空體系，用液氮冷卻Seal system 密閉體系密閉體系Warm sample, allow volatiles to cond

20、ense in cold trap 加熱樣品，用冷阱收集揮發(fā)組分加熱樣品，用冷阱收集揮發(fā)組分Recover solids and liquids for analysis得到固體和液體用于分析得到固體和液體用于分析Analyze Solids by 29Si NMR, Liquids by GC for alcohol of hydrolysis固態(tài)物質(zhì)用固態(tài)物質(zhì)用 29Si NMR 分析，液態(tài)物質(zhì)（水解產(chǎn)物）用分析，液態(tài)物質(zhì)（水解產(chǎn)物）用GC分析分析Trap-to-trap distillation separates volatiles from polymer用低溫冷阱法把聚合物與揮發(fā)組

21、分分離用低溫冷阱法把聚合物與揮發(fā)組分分離Apparatus for Trap-to-Trap Distillation低溫冷阱蒸餾裝置低溫冷阱蒸餾裝置020406080100012345reaction time, hr.Percent hydrolysisCoatOSil 1706CoatOSil 1757Hydrolysis of Alkoxy Groups During Emulsion Polymerization 乳液聚合過程中烷氧基基團的水解乳液聚合過程中烷氧基基團的水解CoatOSil 1706 shows greater extent of hydrolysis than Co

22、atOSil 1757CoatOSil 1706的水解度高于的水解度高于CoatOSil 1757SeedformationMonomer feed/ polymerizationComparison of Silane Hydrolysis During Emulsion Polymerization 乳液聚合過程中硅烷水解度的對比乳液聚合過程中硅烷水解度的對比Methoxy-substituted silane monomers hydrolyze to a much greater extent during emulsion polymerization甲氧基硅烷單體在乳液聚合過程的水

23、解度較大甲氧基硅烷單體在乳液聚合過程的水解度較大Methacryl 甲基丙烯酰氧基 Vinyl 乙烯基Alkoxy Groups 烷氧基團Isopropoxy Methoxy異丙氧基 甲氧基28 6867 920123050100150200250300350Doubl e Rubs ( M EK)M ol % Si l aneUnbufferedBufferedEffect of Buffer on Silylated Latex from CoatOSil 1757緩沖液對含緩沖液對含CoatOSil 1757乳液性能的影響乳液性能的影響New Product Introduction新產(chǎn)

24、品介紹新產(chǎn)品介紹Vinyl Silane CompositionCoatOSil* VX-193乙烯基硅烷組分乙烯基硅烷組分CoatOSil VX-193Features of Silanes Monomers and CoatOSil* VX-193硅烷單體和硅烷單體和CoatOSil VX193 的描述的描述Silylated VeoVA model latexes 硅烷基叔碳酸乙烯酯乳液硅烷基叔碳酸乙烯酯乳液Initial Charge Reactor 初始投料初始投料 Charge %weightDemineralized water 去離子水 357 18.6Sulframin 12

25、07 3.0 0.16Sodium bicarbonate 碳酸鈉 2 0.10Potassium Persulphate 過硫酸鉀 1 0.05Cellosize QP 300 5 0.25Monomer pre-emulsion 單體預(yù)乳化單體預(yù)乳化Water 水 389 20.3Sodium bicarbonate 碳酸鈉 2 0.10Sulframin 1207 3.0 0.16Disponil 3065 31 1.6VeoVa 10 叔碳酸乙烯酯 200 10.42-EHA 丙烯酸異辛酯 250 13.0Vinyl acetate 醋酸乙烯酯 550 28.7Silanes 硅烷 5

26、 0.26 ( 0.5% / monomers)Initiator solution 引發(fā)劑溶液引發(fā)劑溶液Demineralized water 去離子水 120 6.3Potassium persulphate 過硫酸鉀 2.3 0.1Total 總重 1920 100Pre-Emulsion Technique 預(yù)乳化的技術(shù)預(yù)乳化的技術(shù)The initial reactor charge is heated up to 60C under nitrogen blanketing. Then nitrogen blanket is stopped and 2.5 % of the total

27、 monomer pre-emulsion is added. Heating is continued until 80C , after which the remaining monomer pre-emulsion and the initiator solution are gradually added into the reactor during 3 hours and 3hours and 15 minutes respectively. The reactor is kept at 80C for 2 more hours before cooling and filtra

28、tion. In all cases no coagulum was detected.By Courtesy of HexionLatex Formulation乳液配方乳液配方 Copolymer VeoVA / VA / 2EHA / Silane - colloid stabilized 使膠體穩(wěn)定使膠體穩(wěn)定Coagulum 凝聚物凝聚物 Dry Polymer remaining in the reactor after synthesis ( 0/00 ) 反應(yīng)結(jié)束后，反應(yīng)釜中殘余的聚合物含量反應(yīng)結(jié)束后，反應(yīng)釜中殘余的聚合物含量Grit content 粒子含量粒子含量 Dry P

29、olymer filtered out from latex on 80 microns (0/00 ) 乳液經(jīng)過濾乳液經(jīng)過濾(80um)后的聚合物含量后的聚合物含量Impact of CoatOSil* VX-193 on Coagulum and Grit during polymerization在乳液聚合中CoatOSil VX193 對凝聚物和粒子的影響Conclusion;結(jié)論結(jié)論CoatOSil VX193 has limited impact on coagulum and tends to give less premature crosslinking in the pol

30、ymer. CoatOSil VX193對凝聚對凝聚物形成的影響有限物形成的影響有限; 聚合過聚合過程中可避免過早交聯(lián)。程中可避免過早交聯(lián)。024681012141618StandardSilquest* RC-1(0.5%)Silquest* A-151(0.5%)CoatOSil 193(0.5%)Coagulum 凝聚物凝聚物012345678910Grit content 粒子含量粒子含量CoagulumGrit Latex Formulation Copolymer VeoVA / VA / 2EHA / Silane - colloid stabilized Latex depos

31、it Deposit on Teflon 7 days RT 涂在涂在Teflon上室溫放置上室溫放置7天天Test methods Gel Content ;Extraction Soxhlet 8h MEK - % remaining polymer 凝膠含量；凝膠含量； MEK萃取萃取8h 殘余聚合物的殘余聚合物的Impact of CoatOSil* VX-193 on Gel Content of VeoVa based latexesCoatOSil VX193對叔碳酸乙烯酯乳液中凝膠含量的影響Conclusion;結(jié)論結(jié)論CoatOSil* VX-193 improves the

32、 Gel Content of VeOVA/VA/2-HEA latex polymers. Enhanced chemical resistances are foreseeable.CoatOSil* VX-193 提高提高VeOVA/VA/2-HEA 乳液乳液中凝膠含量。提高耐化學(xué)品中凝膠含量。提高耐化學(xué)品穩(wěn)定性是可以預(yù)見的穩(wěn)定性是可以預(yù)見的Matt Paint (80% PVC) Preparation亞光涂料 (80 PVC)制備TiO2 and CaCO3 Dispersion鈦白粉和碳酸鈣的分散鈦白粉和碳酸鈣的分散 Paste漿料漿料Matt Paint (80% PVC)DIS

33、PERSION PASTE 81.8 %分散體VeoVA / Silane Latex9.5 %Demineralised water5.7 %去離子水Natrosol 250 HHBR 2%aq.1.7 %Byk 0370.10%ButylGlycol1.2 % 乙二醇丁醚VeoVA / Silane latex, VeoVA /硅烷乳液：硅烷乳液：VeoVA base latex No silane VeoVA / Silane* RC-1 0.5 and 1% / monomer VeoVA / CoatOSil* 193 or Silquest* A-151 0.5% / monome

34、r Parts weight Parts % Demineralised water 203.25 16.56 Nuosperse FN 265 wetting agent 潤濕劑 6.9 0.56 Byk 037 Defoamer 消泡劑 2.85 0.23 Natrosol 250 HHR 2% aq. HEC thickener 增稠劑 187.95 15.32 Orotan 731 Dispersant 分散劑 19.5 1.59 Kathon LX Biocide 殺蟲劑 4.2 .34 Ammonia 25% aq. 0.75 0.06 Tipure R 902 Pigment 顏

35、料 85.8 6.99 Omya 2GU Extender 添加劑 382.35 31.16 Westmin 8E Extender 添加劑 266.1 21.69 Westmin D50E Extender 添加劑 67.35 5.49 Total 1227 100 By Courtesy of HexionLatex Formulation 乳液配方乳液配方Copolymer VeoVA / VA / 2EHA / Silane - colloid stabilized Paint Formulation 涂料配方涂料配方80% PVC - with CoalescentApplicati

36、on conditions 應(yīng)用條件應(yīng)用條件120 microns dry deposit on Lenetta black card 28days RTTest method 測試方法測試方法 Wet Scrub test DIN 53778 and ISO 11998Impact of CoatOSil* VX-193 on Wet Scrub of VeoVa based paints CoatOSil VX193對VeoVa乳液涂料耐濕擦洗性的影響 Conclusion;結(jié)論結(jié)論CoatOSil VX-193 Improves Wet Scrub resistancesCoatOSil

37、 VX-193 提高耐濕擦提高耐濕擦洗性洗性0500100015002000250030003500400045005000ReferenceSilquest*RC 1(0.5%)Silquest*RC 1 (1%)CoatOSil193 (0.5%)Silquest* A-151 (0.5%)Scrub resistance 耐耐擦擦洗洗性性 (scrubs)2025303540455028 days scrub removal (microns)Scrubs Ldtf Iso (microns)Impact of CoatOSil* VX-193 on Wet Scrub of VeoVa

38、 based latexes CoatOSil VX193對對VeoVa乳液涂料耐濕擦洗性的影響乳液涂料耐濕擦洗性的影響Latex Formulation 乳液配方乳液配方 Copolymer VeoVA / VA / 2EHA / Silane - colloid stabilized Paint Formulation 涂料配方涂料配方 80% PVC - with CoalescentCoatings conditions 涂料條件涂料條件 Deposit on Lenetta black card- Curing conditions ; 50C-1 daysTest method 測

39、試方法測試方法 Wet Scrub test DIN 53778 and ISO 11998Conclusion; 結(jié)論結(jié)論CoatOSil VX-193 Improves Wet Scrub resistancesCoatOSil VX-193 提高耐提高耐濕擦洗性濕擦洗性05001000150020002500300035004000Reference Silquest* RC1 (0.5%)Silquest* RC1 (1%)CoatOSil193 (0.5%)Silquest* A-151 (0.5%)Scrub resistance 耐擦洗性耐擦洗性 DIN 53778(scrubs

40、)15171921232527293128 days scrub removal - ISO 11998 (microns)Scrubsthickness loss (ldtf microns)Latex Formulation 乳液配方乳液配方 Copolymer VeoVA / VA / 2EHA / Silane - colloid stabilizedAgeing conditions Latexes 乳液熟化條件乳液熟化條件 1 week at RT - 70 days at RT - 70 days at 50CApplication conditions 應(yīng)用條件應(yīng)用條件 120

41、 microns dry deposit on Lenetta black card 28days RTTest method 測試方法測試方法 Wet Scrub test DIN 53778Impact of ageing of CoatOSil* 193 on Wet Scrub of VeoVa based paints CoatOSil VX193對VeoVa乳液涂料耐濕擦洗性的影響Conclusion;結(jié)論結(jié)論CoatOSil VX-193 Improves Wet Scrub resistances.Ageing of the latex in normal or acceler

42、ated conditions have less impact on CoatOSil VX-193CoatOSil VX-193 提高耐提高耐濕擦洗性。濕擦洗性。 CoatOSil VX-193在正常或加速條件下熟在正?；蚣铀贄l件下熟化，化， 對耐擦洗性的影響變化對耐擦洗性的影響變化不大。不大。05001000150020002500300035004000ReferenceRC 1(0.5% )Silquest*RC 1 (1% )CoatOSil193 (0.5% )Silquest* A-151 (0.5% )Scrub resistance 耐耐擦擦洗洗性性 DIN 53778 (

43、scrubs)Latex aged 80 days at R.T.,Latex aged 70 days at 50C特色特色優(yōu)點優(yōu)點水穩(wěn)定型硅烷用于乳液聚合中水穩(wěn)定型硅烷用于乳液聚合中水解穩(wěn)定性水解穩(wěn)定性低溶劑含量低溶劑含量同時具有有機和無機的功能同時具有有機和無機的功能 在固化時，產(chǎn)生低在固化時，產(chǎn)生低VOC較好地控制聚合反應(yīng)較好地控制聚合反應(yīng)提高耐擦洗性提高耐擦洗性增強憎水性增強憎水性在乳液熟化期，聚合物具有高穩(wěn)定性在乳液熟化期，聚合物具有高穩(wěn)定性室溫自交聯(lián)室溫自交聯(lián)Features and Benefits of CoatOSil* VX-193CoatOSil VX193 的特色和優(yōu)

44、點的特色和優(yōu)點Use of Silanes to Cross-link Coatings硅烷作為涂料的交聯(lián)劑硅烷作為涂料的交聯(lián)劑Two Systems: Solvent Borne and Water Borne 兩種系統(tǒng) : 溶劑型和水性水性Two main ways: 兩種主要路經(jīng):Co-polymerize共聚合Use a functional silane as a monomer in polymer formation 選用具有反應(yīng)活性的硅烷作為單體形成聚合物Post-Addition/Blend 后添加后添加/ /混合混合After the polymer is formed,

45、react a functional silane with it. 形成聚合物后，再與反應(yīng)活性的硅烷反應(yīng)形成聚合物后，再與反應(yīng)活性的硅烷反應(yīng)Functionalizing Anionic Resin with Epoxy Silanes陰離子樹脂與環(huán)氧硅烷的反應(yīng)陰離子樹脂與環(huán)氧硅烷的反應(yīng) Anionic resin陰離子樹脂 OOC-NR3H Crosslinked 交聯(lián)交聯(lián)SiSiOOOOSiOOYYYYSiOOAdhesion附著力附著力Coupling偶聯(lián)偶聯(lián)Particle填料Substrate基材SiOHYHOOHGrafting 接枝接枝 Hydrolysis水解水解RSi(OE

46、t )3O Silquest* 環(huán)氧硅烷 *Silquest is a trademark of Momentive Performance Materials Inc.Epoxysilanes for Integral blend modification of WB systems 應(yīng)用于水性涂料的環(huán)氧硅烷應(yīng)用于水性涂料的環(huán)氧硅烷1K2KSilquest A-1871CoatOSil* 2287Silquest A-187CoatOSil* 1770Wood Coating Formulation 木器漆配方木器漆配方Component characteristics 組成Joncryl

47、537 : Acrylic emulsion 丙烯酸乳液 (Johnson Polymer ) Solid: 46.5% 固含: 46.5% Acid Number: 51 酸值: 51 Tg: 50cJonwax 35 : Polyethylene wax emulsion 聚乙烯臘乳液 (Johnson Polymer )PE-PUD: Polyether polyurethane 聚醚型聚氨酯 (Laboratory product) Solid: 24% 固含: 24% NMP: 4% Acid Number: 30 酸值: 30CoatOSil* 2287: gamma-glycid

48、oxypropyl methyldiethoxysilane (Momentive Performance Materials)CoatOSil 1211: Non-foaming wetting agent 無泡潤濕劑 (Momentive Performance Materials)Dowanol DPnB 二丙二醇丁醚 (Dow)：Coalescentgglycidoxypropylmethyl-diethoxysilaneOSi(OCH2CH3)2OCoatOSil* 22873-縮水甘油醚基丙基甲基二乙氧基硅烷Wood Coating Formulation 木器漆配方木器漆配方Fo

49、rmulation characteristics:pHViscosity 黏度Solid 固含Binder ratio (Acrylic/PUD)% epoxysilanes 環(huán)氧硅烷/mgKOH/gJoncryl 537PE-PUDCoatOSil* 2287Jonwax 35WaterCoatosil 1211Dowanol DPnB參考參考58.214.50 3.6180.25.5_100X-linked 228758.214.51.2Induction time(活化時間)of 3 days3.616.80.25.5_1007.8630s DIN432%88/2208.2640s D

50、IN433%88/220.08Wood Coating Application Viscosity黏度 20s DIN4 Application 施工工藝 Spray 噴涂 Dry deposit 涂布量 130-170g/m ( total ) Two layers 兩道 Panel 板材 Oak veneered board橡木板 Sanding between each layer Drying time 干燥時間 40C 1 hour 28 days at room temperature 40C 1小時室溫放置28 天012345Ammonia 氨水(10%) - 2minBlack

51、 tea 紅茶 - 24hActone 丙酮 - 2minEthyl-Butyl acetate乙酸乙酯/丁酯 - 2minEthyl alcohol乙醇 (48%) 60min012345Acetic acid 乙酸 (44%) - 60minAmmonia 氨水(10%) - 2minBlack tea 紅茶 - 24hAcetone 丙酮 - 2minEthyl-Butyl acetate 乙酸乙酯/乙酸丁酯 - 2minEthyl alcohol乙醇 (48%) 60minISO 4211-19790: severe effect; 5: no effect 0: 嚴重影響嚴重影響;

52、5: 無影響無影響Standard 參考配方參考配方X-Linked 測試配方測試配方0.08% epoxysilanes/ mgKOH/g+1.2% CoatOSil* 2287Impact of CoatOSil* 2287 onStaining & Chemical Resistance ISO 4211 (1979) CoatOSil* 2287 對耐污對耐污&耐化學(xué)性的影響耐化學(xué)性的影響Acetic acid 乙酸 (44%) - 60min012345Acetic acid 乙酸 - 60minAmmonia 氨水(10%) - 2minBlack tea 紅茶 -

53、 16hAcetone 丙酮 - 10sEthyl-Butyl Acetate 乙酸乙酯/丁酯 - 10sEthyl alcohol 乙醇 (48%)- 60min012345Acetic acid 乙酸 - 60minAmmonia 氨水(10%) - 2minBlack tea 紅茶 - 16hAcetone 丙酮 - 10sEthyl-Butyl Acetate乙酸乙酯/丁酯 - 10sEthyl alcohol乙醇 (48%)- 60minDIN 68861-1B0: severe effect; 5: no effect 0: 嚴重影響嚴重影響; 5: 無影響無影響Standard

54、參考配方參考配方X-Linked 測試配方測試配方+1.2% CoatOSil* 22870.08% 環(huán)氧硅烷環(huán)氧硅烷 / mgKOH/gImpact of CoatOSil* 2287 onStaining & Chemical Resistance DIN 68861 1B CoatOSil* 2287 對耐污對耐污&耐化學(xué)性的影響耐化學(xué)性的影響012345Acetic acid 乙酸 - 16hAmmonia 氨水(10%) - 16hBlack tea 紅茶 - 16hAcetone 丙酮 - 16hEthyl-Butyl Acetate乙酸乙酯/丁酯 -16hEthy

55、l alcohol乙醇 (48%) - 16hStandard 參考配方參考配方012345Acetic acid 乙酸 - 16hAmmonia氨水(10%) - 16hBlack tea 紅茶 - 16hAcetone 丙酮 - 16hEthyl-Butyl Acetate乙酸乙酯/丁酯 -16hEthyl alhohol乙醇 (48%) -16hX-Linked 測試配方測試配方0.08% 環(huán)氧硅烷環(huán)氧硅烷 / mgKOH/g+1.2% CoatOSil* 2287Impact of CoatOSil* 2287 onStaining & Chemical Resistance

56、DIN 68861 1A CoatOSil* 2287 對耐污對耐污&耐化學(xué)性的影響耐化學(xué)性的影響DIN 68861-1A0: severe effect; 5: no effect 0: 嚴重影響嚴重影響; 5: 無影響無影響ISO 4211-1979DIN 68861 1B+ CoatOSil 2287+ CoatOSil 2287Impact of CoatOSil* 2287 on Staining & Chemical Resistance CoatOSil* 2287 對耐污對耐污&耐化學(xué)性的影響耐化學(xué)性的影響FEATURES特點特點BENEFITS優(yōu)點優(yōu)點

57、Water soluble silane additive for One Pack WB systems; Acrylics, PUDs,WB Epoxies & Alkyds 水溶性硅烷添加劑，可用于單組分水性涂料 (丙烯酸, 聚氨酯，環(huán)氧&醇酸樹脂) Higher silane levels for high performance. 高硅烷用量高性能Superior staining resistance 優(yōu)異的耐污性Superior chemical resistance. 優(yōu)異的耐化學(xué)品性Self-crosslinking at room or low bake t

58、emperatures. 室溫或低溫自交聯(lián)固化Curing Mechanism enhanced by 固化反應(yīng)取決于：固化反應(yīng)取決于： Polymer Composition聚合物的組成 Coating Formulation 涂料配方 Application Conditions 使用條件 Curing and Aging Conditions 固化和熟化條件Features and Benefits of CoatOSil* 2287 CoatOSil* 2287的特點和優(yōu)點的特點和優(yōu)點Impact of VOC Regulation on Resin DesignVOC 法規(guī)對樹脂配方

59、設(shè)計的影響法規(guī)對樹脂配方設(shè)計的影響ExampleVOC Limitfor CoatingChemistryMechanicalProperties400 g/LHigh100 g/LLow100 g/LHighCOONR3HCOOCOONR3HNR3HYSi(OR)3YSi(OR)3Function of Silanes in Coatings硅烷在涂料中的特殊功能硅烷在涂料中的特殊功能 Adhesion Promotion 增強附著力增強附著力 Especially between organic polymers and inorganic oxide substrates 特別是在有機聚

60、合物與無機氧化物之間特別是在有機聚合物與無機氧化物之間 Some examples exist for adhesion to nonfunctional organic substrates 在難附著的有機底材上增強附著力在難附著的有機底材上增強附著力 Crosslinking 交聯(lián)劑交聯(lián)劑 Convert reactive polymers (isocyanate, polyol, polyamine) to moisture cure chemistry 可反應(yīng)性聚合物具有潮氣固化可反應(yīng)性聚合物具有潮氣固化反應(yīng)的特點反應(yīng)的特點VOC Reduction 減少減少 VOC Dispersion 幫助分散幫助分散 Compatibilize high-energy pa