2015用于交通工具漆的双组分聚氨酯材料_EN_CH.ppt

Waterborne 2K PU Coatings for Large Vehicles,用于交通工具领域的水性双组份聚氨酯材料,2015, 2.13, 上海 邱学科 David Qiu,Agenda/ Content,基本原理 Basic Principles 双组份聚氨酯涂料的工具箱 Toolbox for 2K PU Coatings 水性双组份聚氨酯的应用及案例 2K WB PU Application and Cases,拜耳材料科技, 邱学科,Page 2,Water 水：高表面张力，高潜热，低沸点、易腐蚀等 High surface tension, high latent heat, low boiling point and easy corrosion 设备 (生产、施工，储存等) Facilities 腐蚀处理 生产、应用 Produce / Application 起泡、流平、润湿等 干燥 / 爆沸 Drying 温度、湿度 / 助溶剂等 多相体系 Muti-phase system 稳定性、生产工艺，成膜 更复杂的配方和施工 Formulation 更多地实验和应用测试,水性双组份聚氨酯 Waterborne 2K PU,拜耳材料科技, 邱学科,Page 3,树脂：水性多元醇 Resins：polyols,颜、填料 Pigments & Extenders,各种助剂 Additives,水 Water 4050,异氰酸酯固化剂Polyisocyanate,A 组分 Component A,B 组分 Component B,A、B组分混合均匀后方可使用 Application after mixing A and B,高质量的水性涂料 Waterborne Coatings with highest Quality,典型水性双组分聚氨酯涂料配方的构成 Typical Formulation of 2K WB PU Coating,Page 4,BMS PRDC SH,邱学科,过度交联的原因 Reason for the over cross-linking NCO:OH = 1.5:1.0 产生气泡原因之一：Result in bubbles, barriers to apply water borne 2K PU,双组分水性聚氨酯潜在的聚异氰酸酯反应 Potential Reactions of PIC in 2K WB PU,BMS PRDC SH,邱学科,Page 5,NCO在水中的缩减量 NCO Reduction in Water*,* Dates from Leverkusen lab,Page 6,CAS PRDC邱学科,时间，小时,- NCO 含量保留率%,水性双组份聚氨酯涂料工具箱Toolbox for waterborne 2K PU coatings,Desmodur N 3600 or N 3900,Hardness 硬度,水中分散性 Easy of Emulsification in water,305,XP 2487/1,3100,304,HDI based IPDI based,XP 2700,气泡大小：耐化学性 Bubble size: chemical resistance,XP 2655,易手搅 Hand mixable,更好耐化学性 Better chemical resistance,XP 2547*,无溶剂混合*:solvent free mixable,XP 2451*,401-70,XP 2759,快干：faster drying speed,IPDI 一般与HDI 固化剂拼用IPDI only in combination with HDI types,Bayhydur产品导航 Bayhydur product navigator,更好耐化学性 Better chemical resistance,拜耳材料科技,邱学科,Page 8,Bayhydrol 多元醇 高端水性双组份聚氨酯体系的必备成份 Bayhydrol polyols integral ingredients of high-class water-borne 2K PU systems,最优化的多元醇,拜耳材料科技,邱学科,Page 9,耐化学性 chemical resistant,A 145,A 242,A 2542,U XP 2757,A 2546,A XP 2770,A 2601,A XP 2645,A XP 2695,A 2651,A 2620,A XP 2469,U 355,A 2457,A 2427,A 2646,faster,faster,faster,faster,faster,faster,faster,more flexible,better resistance,better resistance,better resistance,better resistance,U XP 2755,faster,U XP 2766,U XP 2750,better resistance, high gloss,一级分散体 prim. acrylic dispersion,二级分散体 sec. acrylic dispersion,聚酯改性聚氨酯分散体 urethane modified polyester dispersion,聚酯改性丙烯酸分散体 polyester acrylic hybrid dispersion,U 241,A 2470,faster,U XP 2698,柔韧性 flexible,快干fast drying,lower VOC,lower VOC,higher gloss, chem. resistance,水性多元醇树脂导航 Bayhydrol Polyol Navigator,拜耳材料科技,邱学科,Page 10,外观 Appearance,拜耳材料科技,邱学科,Page 11,Hydrophobicity,无泡 干膜厚度,60 um,40 um,80 um,Remark: Drying Condition: 10 min flash drying at RT, 30 min force drying at 60 degrees C White coating, crosslink with Bayhydrol A2470, spraying , 70% solids cross linker in PGDA,100 um,固化剂的选择 Bayhydur for BFFT,Coating specification,拜耳材料科技,邱学科,Page 12,A 2470,Pot life,无泡 干膜厚度,Coating specification,60 um,40 um,80 um,2h,4h,6h,Remark: Drying Condition: 10 min flash drying at RT, 30min force drying at 60 degrees C White coating, crosslink with 70% Bayhydur XP2655 in PGDA, spraying,A 2646,100 um,A2457 A2427,多元醇树脂的选择 Bayhydrol A for BFFT,拜耳材料科技,邱学科,Page 13,喷涂实验！- 最重要 Spray, Spray, Spray!,System: EP primer + UP Putty + WB 2K PU primer surface + WB 2K Top ; Panel size: 2.5m * 1.3m * 3mm, 2 pieces; Drying condition: 3060 mins drying RT, 3060 mins force drying (60 0C); Vertical spray with air spraying, SATA 2000 gun with 2.0 kg/cm2,水性双组份聚氨酯中涂 WB 2K PU Primer Surface,水性双组份聚氨酯高光面漆 2K WB PU high Gloss white,DOI = 90.0, Gloss (20/60) = 83.1 / 91.9,拜耳材料科技,邱学科,Page 14,No bubbles, rust creep within 1mm, 4050 um DFT,高光白色面漆耐老化 Top Coating, High Gloss -QUV A 340 nm,拜耳材料科技,邱学科,Page 15,No bubbles, rust creep within 1mm, 4050 um DFT,高光白色面漆耐老化 Top Coating, High Gloss - Xenon,拜耳材料科技,邱学科,Page 16,高光清漆耐老化 Clear Coating, High Gloss QUV B 313 nm,如何选择原材料 How to Choose Raw materials,标准配方：常温干燥，高光泽，低VOC Bayhydrol A 2470 / A 2646, Bayhydur 2655 / XP401-70 高膜厚配方：适合强制干燥，高光泽 Bayhydrol A 2470 / A 2646 Bayhydur 2655 / XP401-70, Desmodur N3900 快干、高膜厚配方：适合工程机械 Bayhydrol A 2601 / A2646 / A2427 Bayhydur 2655 / XP401-70, Desmodur N3900 经济型配方： Bayhydrol A 145 Bayhydur 304,拜耳材料科技,邱学科,Page 18,2K WB PU (4060m) 水性双组分聚氨酯色漆,双涂层防腐体系 工程机械 Two Layers Anti-corrosion Systems for ACE,拜耳材料科技,邱学科,Page 19,三涂层体系 巴士/地铁/火车 3 Layers system Bus / Metro / Railway Cars,拜耳材料科技,邱学科,Page 20,电机 Electromotors,变压器 Transformers,中国的成功案例 Successful cases in China,拜耳材料科技,邱学科,Page 21,中国的成功案例 Successful cases in