• CN386
– Lower viscosity – Fast surface cure – Higher extractables – Higher yellowing
CMYK Millbases
Pigment Supplier Code Supplier % Pigment % PRO7381 % SR492 % Solsperse 39000 1 Particle Size Yield Stress Plastic Viscosity
凸印 10% 5% 4% 0%
柔印 4% 10% 18% 28%
丝印 1% 1% 2% 2%
其他 0% 1% 2% 5%
柔印油墨
1. 柔印油墨是一种低粘度快干型油墨，可分 为溶剂油墨、水基油墨和UV油墨三类。
2. 水基油墨也叫水墨，其主要组成成分包括 色料、树脂、水和助剂构成。水墨是一种 环保型的油墨。
3. UV油墨是通过紫外线照射固化的油墨，它 不含溶剂，主要成分是色料，感光树脂、 活性稀释剂 、光引发剂及助剂组成
UV柔印油墨的物性指标
1. 低粘度：500 – 1200 2. 对印版低溶胀：才能保证图文清晰 3. 附着力好 4. 固化速度快：100米/分钟 5. 油墨的稳定性好：没有颜料浮色，没有凝胶
• CN2270
– Low viscosity – Excellent flow properties – Some pigment wetting
• CN2262
– Good toughness – Low cost
• CN371
– Higher viscosity – Fastest surface cure speed – Very low extractables
– Increase cure speed – Hard films – CN132 increase opacity of
white pigmented inks
• CN131B
– Low viscosity – Enhances adhesion to plastics – Flexible and thermoformable – Good cure rate
MacDermid Flex‐Light Digital EPIC Plate
5
4 44
Degree of Plate Swell
3
22
22
2
1
1
1
1 11
0
0 0 000
0 00 0
SR212SBR23S8R28S5R29S5R33S9R35S1R35S5R45S4R49S2R49S4R50S8R53C1D5C60D5C62DC56N42S27R090S0R390C2D09S08R79209
CN2262 CN2270 CN2281 CN9006
Viscosity 25˚ C (60˚ C)
250 900 18000 1700
25 (400) (660)
500 55
1000 (1800)
Acrylates / Molecule
1 2 3 2 1 3 2 4 2 2 6
Health Rating
• SR601
– Very fast cure speed – Toughness and scratch
resistance of an oligomer
• SR339
– Adhesion to polar plastics
• SR355, SR399LV, SR454, and SR494
– Greatly increase cure speed – Increase film hardness
MacDermid Flex‐Light ULT 5.0 Plate
5
Degree of Plate Swell
4
3 33
2
22
2
11
111 11 11
0
0 0 000
0
0
SR212SBR23S8R28S5R29S5R33S9R35S1R35S5R45S4R49S2R49S4R50S8R53C1D5C60D5C62DC56N42S27R090S0R390C2D09S08R79209
• SR531
– Increases flexibility of system without decreasing toughness
– Allows for thermoformability
• SR492
– Increase cure speed – Pigment grinding capabilities
5
Degree of Plate Swell
4
3
3
22
2
2
2
1
1 11 11
1
00
0 00000
0
0
SR212SBR23S8R28S5R29S5R33S9R35S1R35S5R45S4R49S2R49S4R50S8R53C1D5C60D5C62DC56N42S27R090S0R390C2D09S08R79209
flexible – CN9008 best for low odor
Suggested Oligomers
• CN2281
– Low viscosity – Excellent cure rate
• CN2282
– Higher viscosity – Good flexibility – Excellent cure – Enhances film toughness
不环保
市场份额
28%
35%
20%
柔性版印刷的发展状况
在包装行业中，柔性版印刷已成为主导的印刷工艺。在 美国，柔性版印刷已突破传统包装印刷市场的界限，开始 应用于报纸、书刊、商业票据等。
柔印在世界印刷市场的发展历程
时期 50年代 70年代 90年代
目前
胶印 55% 55% 46% 45%
凹印 30% 28% 28% 20%
• SR508, CD562, and SR9003
– Low viscosity – SR9003 has some pigment
grinding capability – All are good diluents of other
UV components
MacDermid Flex‐Light Plate
3 EO TMPTA 3 PO TMPTA
4EO PETA DPGDA CTFA
4 EO BPADA 2 PO NPGDA
Health Ratings were pulled from the product MSDS Acrylates / molecule is an average
UV单体推荐
现象。
UV树脂和单体
UV单体： 1. 占配方的30 - 60% 2. 注意对印版的溶胀问题 3. 降低粘度
UV树脂： 1. 占配方的10 - 60% 2. 颜料的润湿和分散 3. 涂膜性能的体现
CD562 SR238 SR339 SR355 SR399LV SR454 SR492 SR494 SR508 SR531 SR601 SR9003
Millbase oligomers
CN293 CN2284 CN2282 CN2278
Viscosity Acrylates Health 25˚ C (60˚ C) / Molecule Rating
7700
6
3
320
2
3
80000
4
2
250
4
3
Structure
Polyester Acrylate Polyester Acrylate Polyester Acrylate Polyester Acrylate
• CN293
CN2282
– Contains PETA
New for pigment dispersion
– Excellent pigment dispersion
Good cure speed
– Very fast cure speed
Excellent toughness
Cn2278
CN2284
• CN9006, CN991, and CN929, CN9008
– Aliphatic urethane acrylates – Used to formulate
weatherable flexo inks – CN9006 is very hard and fast
curing – CN991 and CN929 are
Low viscosity
Designed for UV flexo
Fast cure
Good pigment wetting
Good pigment wetting
Good cure speed
Oligomer Letdowns for UV Flexo
CN131B CN132 CN133 CN371 CN386 CN929 CN991
2 2 2 2 2 2 2 2 2 2 2
Structure
Epoxy Acrylate Epoxy Acrylate Epoxy Acrylate Amine Acrylate Amine Acrylate AL Urethane Acrylate AL Urethane Acrylate Polyester Acrylate Polyester Acrylate Polyester Acrylate AL Urethane Acrylate