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塑胶漆用固态丙烯酸树脂
Introduction 简介
Dianal MB – 2660 is a thermoplastic acrylic resin designed for plastic coatings with the excellent alcohol resistance .
MB – 2660 is suitable for coatings on PS , ABS substrates .
戴安娜MB – 2660是主要用于塑胶漆上的热塑型丙烯酸树脂,它带有强抗酒精性。
MB – 2660适用于PS和ABS底层上。
Propeerties of MB – 2660特性
Typical Resin Properties 树脂的一般特性
Appearance
外形 White, non – dusting beads
白色,无尘颗粒
Nonvolatiles(%)固含量 More than 98.5
>98.5
Solid Acid Value (mgKOH/g)酸值 3.5
Properties of
solution
(Conc:40% in
Toluene
40%在甲苯中 Transparency
透明度 Clear
透明
Color(Gardner)
色数(加德纳) Less than 1
>1
Viscosity
粘度 mPas’s 550 ~ 1,100
Gardner T ~ W
Typical Properties
标准特性 Molecular
Weight(MW)
分子量
65,000
Tg(calc .℃) 52
Tested Results. 测试结果
(1)Starting point formulation for audio equipment housings
声频器材涂装试用配方
Ratio by weight Ration on solid
重量比例 固含量比例
Acrylic polymer solution#A丙烯酸溶液#A 90.0 73.87
Nitro cellulose RS1/4 solution #B
硝酸纤维素RS1/4溶液#B 29.25 12.00
Aluminum Paste 1700NL #C
铝浆1700NL #C 4.85 6.46
DOP 3.6 7.39
BYK – 323 0.135 0.28
#A NV(%)40±2 Tolunene/n-Butyl alcohol=70/30
甲苯/正丁醇=70/30
#B NV(%) 20±2 Ethly acetate/IPA=80/20
醋酸乙酯/IPA=80/20
#C NV(%)65 Toyo Aluminum Co
The above formulated mixture are diluted by following thinner to 13 seconds by Ford cup #4
用混合稀释溶液将配好的涂料放入杯中稀释13秒
Thinner:Ethyl acetate /Butyl cellosolve/IPA/DAA/MIBK/Butyl acetate
=35/15/15/10/10/15
稀释液:醋酸乙酯/丁醇纤维素溶剂/IPA/DDA/MINBK/醋酸丁脂
=35/15/15/10/10/15
IPA:2-propyl alcohol正丙醇 DAA:Diacetone alcohol双丙酮醇
MIBK:methyl isobutyl ketone 甲基异丁基甲酮
(2). Results 结果
Test pieces are made by spray coating , flushing for 20 minutes and dried for 60 minutes at 60 degree C.
涂层法用喷涂法,冲洗20分钟后,用60度烘干60分钟。
MB-2660 MB-2952 BR113
Film thickness(um)
涂层薄膜厚度 23 21 23
Gloss (60 degree)
光泽(60度) 63 50 64
Pencil hardness
硬度 F H F
Grosshatch Adhesion边角附着力
To PS Excellent良好 Excellent良好 Excellent良好
To ABS Excellent良好 Excellent良好 Excellent良好
Ethyl alcohol resistance抗酒精性
(50doubule rubbing 50次来回摩擦) Excellent良好 Good好 Poor差
Abrasion resistance抗刮性 Very Good非常好 Excellent良好 Good好
(300 double rubbing with cotton,pressure 125g/c在125克、平方厘米的压力下,用棉花进行300次来回摩擦)
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