CapaTM polyols are unique aliphatic polyester polyols made from ring opening polymerization of caprolactone monomers. They provide excellent properties in crosslinked coatings such as low VOC, high gloss, good hardness, excellent chemical resistance and outdoor durability. CapaTM polyols can be used in 2K PUR coatings as reactive diluents, where they improve scratch resistance, abrasion resistance, and resistance to UV exposure compared to reference formulations. CapaTM polyols can also be used in 1K coatings based on HMMM crosslinkers, where they improve flexibility. Perstorp is a leading producer of caprolactones and markets them under the CapaTM brand.

1. Capa™ Polyols
For excellent properties
in crosslinked coatings
CapaTM 聚己内酯多元醇
给予交联涂料的优异性能
ChinaCoat 2013 @ Shanghai, 20 November 2013
Albert Tan, Market Development Manager (SEA & Oceania)

2. Outline
概述
 Introduction of Perstorp
 Introduction of Caprolactones (Capa™)
 Use of Capa™ polyols in 2K PUR high
solid coatings
 Use of Capa™ polyols in 1K systems
based on HMMM crosslinkers
 Conclusions
 柏斯托公司简介
 关于CapaTM 己内酯
 CapaTM 己内酯多元醇
用于高固双组份聚氨酯涂料
 CapaTM 己内酯多元醇
用于在单组分的六甲氧基羟甲基三
聚氰胺(HMMM)交联剂体系
 结论

3. Perstorp Today
今日柏斯托
The Perstorp Group
柏斯托集团
 1881 – Perstorp was formed
 柏斯托成立于1881年
 Family owned for more than 100 years
 拥有超过100年历史的家族产业
 Since 2005 controlled by PAI partners,
a French private equity company
 自2005年由法国私募股权公司PAI合作
伙伴控制
 Approximately 1,500 employees in
22 countries
 约1,500名员工分布22个国家和地区
 Annual turnover of around
1.3 billion EUR
 世界领先的几款产品于树酯与涂料应用
 World leader of several products for
resins and paints
 年营业额约13亿欧元

4. New Focus
 Caprolactone derivatives marketed as Capa™
by Perstorp
 Production of monomer, polyols and
thermoplastics, in Warrington, UK
 Cast PU elastomers and TPU are key markets
for Capa™ Polyols
 Perstorp is committed to support the growing
demand from these markets and has recently
invested in more capacity to meet customers’
expectations
新焦点
 柏斯托己内酯衍生物以Capa™品牌行销。
 单体，多元醇及热塑性己内酯的生产都在英国
Warrington。
 聚氨酯弹性体与热塑性聚氨酯是Capa™多元醇
的主要市场。
 柏斯托致力于支持这些市场不断增长的需求，
最近投资了更多的能力，以满足客户的期望。

5. Caprolactone Polyols
己内酯多元醇
 Unique aliphatic polyester polyols
 Made via ring opening polymerisation
– no by-products
 This gives a tighter manufacturing
specification than most other polyols
 Very low acid values with premium grades
having a negligible acid content
 Controlled poly-dispersity
 Relevant molecular weight ranges and
functionalities for any PU system






Reactivity
toward
isocyanates
对异氰酸
反应
Initiator
type
起始剂
独特的脂肪族聚酯多元醇
通过开环聚合反应 - 没有产生副产品
与其他多元醇相比，它的制造规格更严竣。
高等级的CapaTM系列产品的酸含量非常低。
可控制聚分散。
适当的分子量和官能度可供予任何聚氨酯系
统的应用。
Functionalit
官能度
Capa™
Polyol
Low acid
value
低酸值
Molecular
weight
分子量

6. What are Capa™ – Caprolactones?
什么是Capa™ – 己内酯？
 Capa™ monomer / CapaTM单体
–
One grade / 一个等级
–
99.9% purity / 99.9% 纯度
 Capa ™ polyols / CapaTM多元醇
–
Produced by ring opening polymerization of Capa™ monomer
initiated with hydroxyl groups
–
Di, tri, tetra-functional polyols
–
300 - 8,000 g/mol
–
CapaTM单体开环聚合反应由羟基
引发。
–
二、三、四官能团多元醇
–
环己酮
分子量 300 - 8,000 g/mol
Perstorp biggest supplier of caprolactones in the world.
柏斯托为世界最大的己内酯供应商。
过氧乙酸
己内酯
醋酸

7. Capa™ Polyols for crosslinked coatings
CapaTM多元醇用于交联型涂料
Caprolactones are aliphatic, liquid, low viscosity polyols suitable as reactive diluents
低粘度的液态脂肪族己内酯多元醇适合作为活性稀释剂。
 Low acid number / 低酸值 (<1 mg KOH/g)
Product
产品
Type
类别
Mw
分子量
 Exactly defined functionality / 精准的官能度
OH-value
羟值
(mg KOH/g)
OH %
Viscosity
粘度
(mPas @23 °C)
Recommendation
推荐
Capa™ 2043
Diol
400
280
8.5
240
2K PUR/ 1K HMMM
Capa™ 2054
Diol
550
204
6.2
-
1K HMMM
Capa™ 2085
Diol
830
135
4.1
-
1K HMMM
Capa™ 3050
Triol
540
310
9.4
1,190
2K PUR
Capa™ 3091
Triol
900
183
5.5
1,246
2K PUR/1K HMMM
Capa™ 4101
Tetrol
1,000
218
6.6
1,850
2K PUR
General coating properties
 Low VOC
 High gloss and low haze due to perfect
compatibility between Capa™, acrylics, polyesters
and crosslinkers
 Good final hardness
 Excellent chemical resistance
 Excellent outdoor durability
涂料性能
 低挥发物
 高光泽，低雾度有鉴于CapaTM与丙烯酸树脂，聚酯和
交联剂兼容性优越
 优秀的最终硬度
 优良的耐化学性
 优良的户外耐久性

8. Capa™ in 2K PUR Formulations
CapaTM 应用于双组份聚氨酯涂料
A
Acrylic polyol (75% in BuAc)
Polyester ref (78% in BuAc)
CapaTM 3050
Solvent mixture / 混合溶剂
(BuAc+Solvesso 100+MAK)*
Additive package / 助剂**
DBTL (1% BuAc) / 催化剂
Total
Acrylic/CapaTM
3050
Higher amount
of Capa 3050
71.43
7.7
71.43
61.5
18.0
3.4
22.2
7.0
28.6
0.9
2.0
0.9
2.0
0.9
2.0
100.0
100.0
100.0
30.8
16.6
4.5% OH
5.4% OH
9.4% OH
C
Reference system
参照体系
Part A
组份A
B
30.8
10.4
30.8
0
Part B NCO/OH 1.05
Tolonate HDT LV2
Solvent mixture
(BuAc+Solvesso 100+MAK)*
to adjust viscosity to 22 sec in
DIN cup 4 at 23 C
调整粘度到23 ˚C DIN 4杯22秒
* Solvent ratio 8:67:25
** BYK-315, BYK-322. BYK-358
 In formulation B, Capa™ is added to match the OH content
of the polyester reference.
 Formulation C contains twice that amount while keeping
an equal OH/NCO molar ratio.
 在B配方中的Capa™添加相匹配于聚酯羟值含量
为参考。
 C 配方包含多一倍的Capa™添加量，却保持相同
的OH/ NCO摩尔比。

9. Capa™ in 2K PUR – Effect on VOC
CapaTM 应用于双组份聚氨酯涂料 – 对VOC的影响
VOC in g/l to obtain 22 sec in DIN cup 4 at 23°C
VOC (g/l) 于22秒的DIN4杯粘度，23°C
395
-25 g/L
390
385
380
375
370
365
360
355
A - Reference system
B - Acrylic/Capa 3050
C - Acrylic/2*Capa 3050
 By addition of Capa™ to the formulation it is possible to further decrease
the VOC content without compromising the viscosity。
 配方添加Capa™能够进一步降低挥发性有机化合物含量，却不影响其粘度。

10. Capa™ in 2K PUR – Scratch resistance
CapaTM 应用于双组份聚氨酯涂料 – 耐刮擦性能
Scratch resistance was performed on Taber Model 550 (rotation speed 0.5 tr/min)
Applied on Taber glass panels (hole in the center) at RT
以泰伯尔型号550作耐划伤测试 (旋转速度为0.5tr/分钟)
涂抹于泰伯尔玻璃面板 (中心孔), 测试在室温下进行
Weight (force) needed to obtain permanent scratch, weight in g
重量(力度)以达到耐永久性刮伤，g
250
200
150
100
50
0
A - Reference system
B - Acrylic/Capa 3050
C - Acrylic/2*Capa 3050
 The resistance of the coatings towards permanent scratches is largely
increased with the addition of Capa™ – polycaprolactones
 CapaTM聚己内酯可以大大提高漆膜的耐永久性刮伤

11. Capa™ in 2K PUR – Abrasion resistance
CapaTM 应用于双组份聚氨酯涂料 – 耐磨性能
Taber abrasion on steel
CS10 wheels, 500 g load, 1,000 cycles, weight loss, mg
35
Mg of coating removed
during the abrasion
/mg
30
25
20
15
10
5
0
A - Reference system
B - Acrylic/Capa 3050
C - Acrylic/2*Capa 3050
 The coating formulations containing Capa™ – polycaprolactones show a superior
abrasion resistance compared to the reference formulation containing a conventional
polyester.
 与聚酯多元醇比较，CapaTM聚己内酯显示出卓越的耐磨性。
涂
层
耗
损

12. Capa™ in 2K PUR – QUV-B exposure
CapaTM 应用于双组份聚氨酯涂料 – QUV-B曝晒试验
Decrease in gloss at 20°C / 20oC保光率
Accelerated weathering (QUV-B) / 加速老化 (QUV-B)
 Measured on Al panels: 45µm dry
of clearcoat over white basecoat
100
Relative gloss decrease, %
90
 Cycle: Succession of 4 hours periods of
UV-B exposure at 60°C each followed
by 4 hours periods of condensation at
40°C
80
70
60
 测试在铝板上：白色底漆上的45µm干膜清漆
50
 每个循环：4个小时的60°C，UV-B曝晒后，冷
却到40°C，4小时。
40
30
A - Reference system
20
B - Acrylic/Capa 3050
10
C - Acrylic/2*Capa 3050
0
0
500
1 000
1 500
2 000
h in QUV-B
 Coatings containing Capa™ – polycaprolactones are more resistant
to UV-B exposure in terms of gloss retention.
 根据20o的保光率看，CapaTM聚己内酯可以提高漆膜的耐UV-B性能。

13. Capa™ in 1K HMMM – Formulations
CapaTM 应用于HMMM 之 配方
Set parameters
设置参数
Varied parameters
可变参数
Polyol
Acrylic/Capa™ Polyols
Acrylic polyol ref
70-100%
Crosslinker (HMMM)
Cymel 303*
Capa™ Polyols
0-30%
Solvent
BuAc
Mw of Capa™ polyols
400-900
Catalyst
pTSA
Branching of Capa™ polyols
2-3
Solid content
73%
135-280
Polyol/melamine (solid)
80/20
OH-value of Capa Polyols
(mg KOH/g)
Curing
150°C, 10min
* Cytec
General properties
 Excellent appearance/compatility
 Good hardness
 Excellent chemical resistance
属性
 出色的外观/兼容性
 良好的硬度
 优良的耐化学性

14. Capa™ in 1K HMMM – Flexibility
CapaTM 应用于HMMM – 柔韧性
5
Erichsen flexibility
Effect of increasing concentration of Capa™ Polyols
5
3
Capa
2085
4
3
mm
mm
4
Erichsen flexibility
Effect of Mw of Capa™ Diols (20%)
2
2
1
Capa
2054
1
0
Capa
2043
0
0
20
30
Capa™ Polyols – wt%
Capa 2043
Capa 3091
 Significant effect on flexibility due to flexible
aliphatic chains
 Influenced by both amount and length of Capa™
 灵活的脂肪链显着加强其柔韧性效果。
 CapaTM的用量和链度都可影响其柔韧性。
400
550
Capa™ Diols – Mw (g/mol)
830

15. Capa™ in 1K HMMM – Impact resistance
CapaTM 应用于HMMM – 耐冲击性
9
Impact resistance
Effect of increasing concentration of Capa™ Polyols
8
Inch-lbs
7
6
5
4
3
2
1
0
0
10
20
30
Capa™ Polyols – wt%
Capa 2043
Capa 3091
 Significant increase of impact resistance
due to flexible aliphatic chains
 灵活的脂肪链显着可以提其高耐冲击性。
A winning formula
for performance

16. Capa™ in 1K HMMM – Self healing
CapaTM 应用于HMMM – 自复原效应
Relative gloss recovery (%)
60
Gloss recovery 20°
Effect of increasing concentration of Capa™ Polyols
Method:
Scratching: 25 double rubs
with scotch brite
Recovery: 60 min @ 60°C
方法：
划痕：以Scotchbrite作双摩擦25次
恢复：60分钟60°C
50
40
30
20
10
0
0
10
20
30
Capa™ Polyols – wt%
Capa 2043
Capa 3091
 Significant improvement of gloss recovery
– Semicrystallinity, less internal stress and viscoelastic
properties of cured coating
 光泽复苏显着改善
– 半结晶性，较少的内部应力和粘弹性能的固化涂层

17. Capa™ polyols in coatings
Conclusions



100% solids, liquid at room temperature,
low viscosity polyols
– positive impact on VOC
– no compromise on final hardness
Capa™ polyols are aliphatic polyesters
– excellent weather resistance
Highly transparent materials with excellent
optical properties
– perfect compatibility between Capa™
Polyols, acrylics, polyesters
and crosslinkers
– positive impact on film appearance
(high gloss, low haze)
CapaTM多元醇 于涂料应用
结论

100％固含，室温下为液体，低粘度多元醇
– 对VOC的正面影响
– 不影响最终硬度

Capa™多元醇是脂肪族聚酯
– 优异的耐候性

高透明性又具有优良的光学性能
– Capa™多元醇对丙烯酸树脂，聚酯和
交联剂的优越兼容
– 薄膜外观正面影响 (高光泽，低雾度)

弹性与韧性
– 出色的抗冲击性和柔韧性
– 最好的耐磨性


Flexibility/toughness
– outstanding impact resistance and flexibility
– best-in-class for abrasion resistance

Selfhealing effect
– good gloss recovery
自复原效应
– 良好的光泽自复原性

18. Thank you for your attention!
Please visit us in hall E3, stand no. 3E35-37
谢谢
Perstorp 将在 E3 展厅，3E35-37 号展位
恭候您的莅临
Email: peter.zhang@perstorp.com