Coatosil 2287 在水性木器漆中的应用CN
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: : : : :
+A1871
Acrylic emulsion (SC Johnson) - Joncryl SCX 8225 0.08% per mgKOH/g (3.8 phr) 7 days or 25 weeks ageing Oak panels – Spray drying – 130gr/sqm - 7 days at RT According to Din 68861-1B
环氧基硅烷显著降低漆膜的吸水率
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对漆膜耐水性的影响
100 90 1 week 6 months 80 70 60 50 40 30 20 10 0 No Silane coatosil2287 Coatosil 1770 A-1871
环氧基硅烷显著提高漆膜的耐氨水性能
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对漆膜耐化学品性能的影响 －异丙醇
Din 68861-1B 0: excellent 5: fail
Isopropanol 50% - 1 hour
A-1871
: Acrylic emulsion (SC Johnson) - Joncryl SCX 8225 : 0.08% per mgKOH/g (3.8 phr) : 7 days or 25 weeks ageing : Oak panels – Spray drying – 130gr/sqm - 7 : According to Din 68861-1B
120 110 100
No Silane coatosil2287 Coatosil 1770 A-1871
Viscosity (mPa.s)
90 80 70 60 50 40 30 20 0 5 10 15 20 25
Ageing time of formulation (weeks)
环氧基硅烷对储存稳定性影响不大
percentage of remaining polymer
Formulation based on 硅烷用量 Formulation ageing 固化条件 耐水性测试
: Acrylic emulsion (SC Johnson) - Joncryl SCX 8225 : 0.08% per mgKOH/g (3.8 phr) : 7 days or 6 months ageing : 15 days at RT – Coating applied on Teflon ：经24小时水中浸泡，％重量损失
69.5 9.5 0
69.5 8.3 1.2 诱导期 2 天
Ratio Epoxysilane / Acid content: 0.08%/mgKOH
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对乳液储存期粘度的影响
: According to Din 68861-1B
环氧基硅烷显著提高漆膜的耐异丙醇性能
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对漆膜耐化学品性能的影响 －丙酮
Din 68861-1B 0: excellent 5: fail
环氧基硅烷显著提高漆膜的耐水性
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对漆膜耐化学品性能的影响 －乙酸
Acetic Acid - 1 hour
Din 68861-1B 0: excellent 5: fail
环氧基硅烷显著提高漆膜的耐乙酸性能
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对漆膜耐化学品性能的影响 －氨水
Din 68861-1B 0: excellent 5: fail
Ammonia 10% - 2 minutes
接枝
R
Si ( O Et ' ) 3
附着力
偶联
(水解)
交联
Y
O O Si O Si O O Si O
Y
Si O O HO
Y
Si OH OH
Y
Y
基材
填料
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
用于水性树脂体系的环氧基硅烷
40
A-1871
30
Formulation based on 硅烷用量 乳液储存时间 固化条件 硬度
: Acrylic emulsion (SC Johnson) - Joncryl SCX 8225 : 0.08% per mgKOH/g (3.8 phr) : 7天 : 橡木板 –喷涂– 130gr/sqm –室温 7天固化 : According to ISO 1522-1973
Acetone - 10 seconds
5 4 3 2 1 0
no silane +CoatOSil 2287 +CoatOSil 1170
: : : : :
Latex aged 1 week Latex aged 25 weeks
+A1871
Formulation based on 硅烷用量 Formulation ageing 固化条件 Chemical resistance
5 4 3 2 1 0
No Silane
Formulation based on 硅烷用量 Formulation ageing 固化条件 days at RT Chemical resistance
Latex aged 1 week Latex aged 25 weeks
coatosil2287
Coatosil 1770
70 60 50 40 30 20 10 0 No Silane Coatosil2287 Coatosil 1770 A-1871
Formulation based on 硅烷用量 Formulation ageing 固化条件 凝胶含量
: Acrylic emulsion (SC Johnson) - Joncryl SCX 8225 : 0.08% per mgKOH/g (3.8 phr) : 7 days or 6 months ageing : 15 days at RT – Coating applied on Teflon : % polymer remaining after 8h extraction with MEK in a Soxhlet
环氧硅烷在水性木器漆中的应用
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷在阴离子型水性树脂中的作用原理
阴离子型乳液
C O - O NR3H
Silquest® Epoxy Silane O
ethoxysilane Silquest® 1871
O Si ( O C H 2C H 3) 2
CH3
O
g
ethyltriethoxysilane CoatOSil® 1770 Silane
-glycidoxypropylmethyldiethoxysilane Coatosil® 2287 Silane 1K
环氧基硅烷显著提高漆膜的凝胶度 （交联程度）
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对漆膜吸水率的影响
350 1 week 300 250 200 150 100 50 0 No Silane Coatosil2287 Coatosil 1770 A-1871 6 months
Ageing (Days)
环氧基硅烷对漆膜的硬度影响不大
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对凝胶含量的影响
100 90 80 1 week 6 months
Gel Content (%)
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷的接枝反应
• 羧基和环氧基的反应
水性丙烯酸木器漆基本配方
标准 第一步 SCX8225 (SC Johnson) Water EpoxysilaneC2287 第二步 TS 100 (matting agent) 0.9 4 Water 0.2 Coatosil 1211 9 Dowanol DPnB 4.3 Aquamat 208 (wax) 2.5 Ultralub D819 (wax) __0.1__ Ammonia 25% 100 0.9 4 0.2 9 4.3 2.5 __0.1__ 100 (3.8phr) 硅烷交联配方
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对漆膜硬度的影响
90 80
K?nig Hardness (Seconds)
70
60
Without
50
CoatOSil 2287 Coatosil 1770
Acrylic emulsion (SC Johnson) - Joncryl SCX 8225 0.08% per mgKOH/g (3.8 phr) 7 days or 25 weeks ageing Oak panels – Spray drying – 130gr/sqm - 7 days at RT According to Din 68861-1B
+A1871
: Acrylic emulsion (SC Johnson) - Joncryl SCX 8225 : 0.08% per mgKOH/g (3.8 phr) : 7 days or 25 weeks ageing : Oak panels – Spray drying – 130gr/sqm - 7 days
Latex aged 1 week Latex aged 25 weeks
5 4 3 2 1 0
No silane
Formulation based on 硅烷用量 Formulation ageing 固化条件 Chemical resistance
+CoatOSil 2287 +CoatOSil 1770
2K
O O Si ( O C H 3) 3 O
O
Si(OC2H5)3
g-glycidoxypropyltri-
g-glycidoxypropyltri-
methoxysilane Silquest® A-187 Silane
Si ( O C H 2C H 3) 3 O
b-(3,4-epoxycyclohexyl)
5 4 3 2 1 0
no silane
Formulation based on 硅烷用量 Formulation ageing 固化条件 at RT Chemical resistance
Latex aged 1 week Latex aged 25 weeks
+CoatOSil 2287 +CoatOSil 1770
percentage of water absorbed
Formulation based on 硅烷用量 Formulation ageing 固化条件 吸水率
: : : : :
Acrylic emulsion (SC Johnson) - Joncryl SCX 8225 0.08% per mgKOH/g (3.8 phr) 7 days or 6 months ageing 15 days at RT – Coating applied on Teflon % water absorbed after 24 hours immersion in water
+A1871
Acrylic emulsion (SC Johnson) - Joncryl SCX 8225 0.08% per mgKOH/g (3.8 phr) 7 days or 25 weeks ageing Oak panels – Spray drying – 130gr/sqm - 7 days at RT According to Din 68861-1B
环氧基硅烷显著降低漆膜的吸水率
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对漆膜耐水性的影响
100 90 1 week 6 months 80 70 60 50 40 30 20 10 0 No Silane coatosil2287 Coatosil 1770 A-1871
环氧基硅烷显著提高漆膜的耐氨水性能
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对漆膜耐化学品性能的影响 －异丙醇
Din 68861-1B 0: excellent 5: fail
Isopropanol 50% - 1 hour
A-1871
: Acrylic emulsion (SC Johnson) - Joncryl SCX 8225 : 0.08% per mgKOH/g (3.8 phr) : 7 days or 25 weeks ageing : Oak panels – Spray drying – 130gr/sqm - 7 : According to Din 68861-1B
120 110 100
No Silane coatosil2287 Coatosil 1770 A-1871
Viscosity (mPa.s)
90 80 70 60 50 40 30 20 0 5 10 15 20 25
Ageing time of formulation (weeks)
环氧基硅烷对储存稳定性影响不大
percentage of remaining polymer
Formulation based on 硅烷用量 Formulation ageing 固化条件 耐水性测试
: Acrylic emulsion (SC Johnson) - Joncryl SCX 8225 : 0.08% per mgKOH/g (3.8 phr) : 7 days or 6 months ageing : 15 days at RT – Coating applied on Teflon ：经24小时水中浸泡，％重量损失
69.5 9.5 0
69.5 8.3 1.2 诱导期 2 天
Ratio Epoxysilane / Acid content: 0.08%/mgKOH
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对乳液储存期粘度的影响
: According to Din 68861-1B
环氧基硅烷显著提高漆膜的耐异丙醇性能
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对漆膜耐化学品性能的影响 －丙酮
Din 68861-1B 0: excellent 5: fail
环氧基硅烷显著提高漆膜的耐水性
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对漆膜耐化学品性能的影响 －乙酸
Acetic Acid - 1 hour
Din 68861-1B 0: excellent 5: fail
环氧基硅烷显著提高漆膜的耐乙酸性能
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对漆膜耐化学品性能的影响 －氨水
Din 68861-1B 0: excellent 5: fail
Ammonia 10% - 2 minutes
接枝
R
Si ( O Et ' ) 3
附着力
偶联
(水解)
交联
Y
O O Si O Si O O Si O
Y
Si O O HO
Y
Si OH OH
Y
Y
基材
填料
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
用于水性树脂体系的环氧基硅烷
40
A-1871
30
Formulation based on 硅烷用量 乳液储存时间 固化条件 硬度
: Acrylic emulsion (SC Johnson) - Joncryl SCX 8225 : 0.08% per mgKOH/g (3.8 phr) : 7天 : 橡木板 –喷涂– 130gr/sqm –室温 7天固化 : According to ISO 1522-1973
Acetone - 10 seconds
5 4 3 2 1 0
no silane +CoatOSil 2287 +CoatOSil 1170
: : : : :
Latex aged 1 week Latex aged 25 weeks
+A1871
Formulation based on 硅烷用量 Formulation ageing 固化条件 Chemical resistance
5 4 3 2 1 0
No Silane
Formulation based on 硅烷用量 Formulation ageing 固化条件 days at RT Chemical resistance
Latex aged 1 week Latex aged 25 weeks
coatosil2287
Coatosil 1770
70 60 50 40 30 20 10 0 No Silane Coatosil2287 Coatosil 1770 A-1871
Formulation based on 硅烷用量 Formulation ageing 固化条件 凝胶含量
: Acrylic emulsion (SC Johnson) - Joncryl SCX 8225 : 0.08% per mgKOH/g (3.8 phr) : 7 days or 6 months ageing : 15 days at RT – Coating applied on Teflon : % polymer remaining after 8h extraction with MEK in a Soxhlet
环氧硅烷在水性木器漆中的应用
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷在阴离子型水性树脂中的作用原理
阴离子型乳液
C O - O NR3H
Silquest® Epoxy Silane O
ethoxysilane Silquest® 1871
O Si ( O C H 2C H 3) 2
CH3
O
g
ethyltriethoxysilane CoatOSil® 1770 Silane
-glycidoxypropylmethyldiethoxysilane Coatosil® 2287 Silane 1K
环氧基硅烷显著提高漆膜的凝胶度 （交联程度）
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对漆膜吸水率的影响
350 1 week 300 250 200 150 100 50 0 No Silane Coatosil2287 Coatosil 1770 A-1871 6 months
Ageing (Days)
环氧基硅烷对漆膜的硬度影响不大
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对凝胶含量的影响
100 90 80 1 week 6 months
Gel Content (%)
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷的接枝反应
• 羧基和环氧基的反应
水性丙烯酸木器漆基本配方
标准 第一步 SCX8225 (SC Johnson) Water EpoxysilaneC2287 第二步 TS 100 (matting agent) 0.9 4 Water 0.2 Coatosil 1211 9 Dowanol DPnB 4.3 Aquamat 208 (wax) 2.5 Ultralub D819 (wax) __0.1__ Ammonia 25% 100 0.9 4 0.2 9 4.3 2.5 __0.1__ 100 (3.8phr) 硅烷交联配方
Copyright 2009 Momentive Performance Materials Inc. All rights reserved.
环氧基硅烷对漆膜硬度的影响
90 80
K?nig Hardness (Seconds)
70
60
Without
50
CoatOSil 2287 Coatosil 1770
Acrylic emulsion (SC Johnson) - Joncryl SCX 8225 0.08% per mgKOH/g (3.8 phr) 7 days or 25 weeks ageing Oak panels – Spray drying – 130gr/sqm - 7 days at RT According to Din 68861-1B
+A1871
: Acrylic emulsion (SC Johnson) - Joncryl SCX 8225 : 0.08% per mgKOH/g (3.8 phr) : 7 days or 25 weeks ageing : Oak panels – Spray drying – 130gr/sqm - 7 days
Latex aged 1 week Latex aged 25 weeks
5 4 3 2 1 0
No silane
Formulation based on 硅烷用量 Formulation ageing 固化条件 Chemical resistance
+CoatOSil 2287 +CoatOSil 1770
2K
O O Si ( O C H 3) 3 O
O
Si(OC2H5)3
g-glycidoxypropyltri-
g-glycidoxypropyltri-
methoxysilane Silquest® A-187 Silane
Si ( O C H 2C H 3) 3 O
b-(3,4-epoxycyclohexyl)
5 4 3 2 1 0
no silane
Formulation based on 硅烷用量 Formulation ageing 固化条件 at RT Chemical resistance
Latex aged 1 week Latex aged 25 weeks
+CoatOSil 2287 +CoatOSil 1770
percentage of water absorbed
Formulation based on 硅烷用量 Formulation ageing 固化条件 吸水率
: : : : :
Acrylic emulsion (SC Johnson) - Joncryl SCX 8225 0.08% per mgKOH/g (3.8 phr) 7 days or 6 months ageing 15 days at RT – Coating applied on Teflon % water absorbed after 24 hours immersion in water