颜料：颜料类型（有机/无机），比表面及表面化学（酸性/碱性）
➢Co-Grind or single Grind
共研磨或是单独研磨
➢Grinding method (w/o resin)研磨方式（有无树脂）
Wetting and Dispersing Additives: Established Technologies 1st Generation Wetting and Dispersing Additives润湿分散剂：成熟
DISPERBYK-110 DISPERBYK-111
DISPERBYK-180
DISPERBYK-106
DISPERBYK-103 DISPERBYK-102
lower Deflocculating

Polarity
higher
Wetting and Dispersing Additives: Established Technologies 1st Generation Wetting and Dispersing Additives
P O L Y E T H E R 聚醚
P O L Y E S T E R 聚酯
-O-PO(OH)2
one pigment/filler affinic group per molecule 每个分子有一个颜填料亲和基团
lower Molecular Weight higher
1st Generation Wetting and Dispersing Additives Phosphoric Acid Ester based W/D Additives
• electrostatic stabilization mainly in water-borne systems (e.g., emulsions)
静电稳定主要在水性体系里（例如乳液）
• steric stabilization in solvent- and water-borne systems
Predominantly developed for inorganic pigments and fillers 大多用于无机颜填料
Remarks: 评述
• Stabilization of organic pigments is often not optimum
对有机颜料的稳定通常不是最佳的
12
0.095
20
0.070
64
0.013
460
Wetting and Dispersing Process 润湿分散过程
1
Wetting 润湿
2
Dispersing 分散
3
Stabilization 稳定
Steps of Stabilization稳定步骤
Flocculation絮凝
Controlled Flocculation受控絮凝
Particle Size Versus Surface Area 粒径与比表面积对比
Pigment
颜料
Iron oxide red氧化铁红 Carbon black 1炭黑1
Phthalo blue酞菁蓝
Carbon black 2炭黑2
Particle size 颗粒大小 (µm)
0.250
Surface area 比表面积 (m2/g)
High Molecular weight Additives高分子量助剂
Many pigment affinic groups很多颜料亲和基团
2nd Generation Wetting and Dispersing Additives Based on Polyurethane Chemistry基于聚氨酯化学
Deflocculation of Agglomerates聚集体的解絮凝
Dry pigment干颜料
Pigment in resin solution
颜料在树脂溶液中
Dispersion分散
Agglomerates聚集体
Primary particles
原始颗粒
(ideal dispersion) 理想的分散状态
control
抗沉降、流挂控制
Reduced
变差
Improved
提高
Ideal for:
最好用于：
TOPCOATS, 面漆 high gloss高光
PRIMERS, high build low
– medium gloss coatings底
漆，厚涂层低-中光泽涂料
Wetting and Dispersing Additives – Effects 润湿分散剂-效果
Durable adsorption layer持
久的吸附层
many pigment affinic groups per molecule
每个分子上有很多颜料亲和基团
2nd Generation Wetting and Dispersing Additives Based on Polyurethane Chemistry 基于聚氨酯化学
位阻稳定在溶剂以及水性体系
• combination of both mechanisms in water-borne systems
水性体系中两种机理结合
Wetting and Dispersing润湿与分散
To select the right additive, you need to know:
Controlled flocculating 控制絮凝
higher
lower
Wetting and Dispersing Additives: Established Technologies 1st Generation Wetting and Dispersing Additives
Phosphoric Acid Esters磷酸酯 polyester/polyether polymers, polyether polymers e.g. Disperbyk®-110, 111, 180, 聚酯/聚醚聚合物，聚醚聚合物
BYK®-P 104 S DISPERBYK®
ANTI-TERRA® 204
ANTI-TERRA® 203
DISPERBYK®-108
ANTI-TERRA®-U DISPERBYK®-101
DISPERBYK®-130 DISPERBYK®-192
lower
Deflocculating 解絮凝
Polarity 极性
Controlled Flocculation可控絮凝型
Deflocculation解絮凝型
Protection保护
Appearance外观
Types of Stabilization稳定的类型
Electrostatic stabilization 静电稳定
Steric stabilization位阻稳定 (osmotic/entropic repulsion) 渗透/熵排斥
的技术 第一代润湿分散剂
Fatty acid chemistry 脂肪酸化学 Polyesters, polyamine amides,聚酯，多胺酰胺 Polyaddition, Polycondensation 加聚、缩聚
Deflocculating 解絮凝
Controlled
Flocculating 控制絮凝
• Stabilization of foam possible (surfactant-like structure!)
可能会稳泡（与表面活性剂类似的结构）
Wetting and Dispersing Additives: Established Technologies 2nd Generation Wetting and Dispersing Additives 第二代润湿分散剂
- less flood & float更少浮色发花 - higher gloss更高光泽 - low viscosity低粘度 - highest colour 最高的色强
strength
Deflocculation / Controlled Flocculation解絮凝/受控絮凝
Flooding &
配方指导（助剂添加量、评价方法） • Wetting and Dispersing Additives based on润湿分散剂基于
➢ Established Technologies成熟技术 ➢ CPT 可控聚合技术 • Additive Recommendation – Quick reference助剂推荐-快速参考
polyester urethanes, polyether/polyester urethanes,聚酯PU、聚醚/聚酯PU different functionalities: acidic, basic, 不同的官能团：酸性、碱性 DISPERBYK®-160 ~ 169, DISPERBYK®-182, 183, 184, 185, DISPERBYK®-170,171,174 DISPERBYK® -2163, 2164 Disperbyk®-2150 BYK® -9077
要选择合适的助剂，你需要知道：
➢Polarity of the system (low, medium, high…)
系统的极性（低中高）
➢Type of the coating (primer, topcoat, basecoat…)
涂料的类型（底漆、面漆、底色漆）
➢Pigmentation: pigment type (organic/inorganic), surface area and surface chemistry (acidic/basic)