美镙丝-26氨基树脂中羟甲基型正丁醇醚化三聚氰胺甲醛树脂)

 

本品为含树脂48-52%的正丁醇-二甲苯溶液。与醇酸树脂、聚酯树脂、丙烯酸树脂和环氧树脂有很好的相溶性。用于配制汽车漆、普通工业烤漆、彩板漆。所成漆膜有很好的光泽、硬度、附着力和抗腐蚀性。烘烤条件为110-150℃,15-20分钟。

质量指标:

外观

 

无色,粘稠液体

非挥发份

wt.%

48-52

色度,APHA

 

30

粘度

CPS

70-150

比重,25

 

0.96-1.00

酸值

mgKOH/g

2

烷烃相溶度

%

400-700

 

下面推荐一种工业白色装饰烤漆的配方:
钛白粉:                                                                                                             28.3

热固性丙烯酸树脂(含固量50,酸度5,粘度600cps):          38.6

“美镙丝26”                                                                                              17.8

BYK306:                                                                                                   0.5

正丁醇:                                                                                                           7.5

二甲苯:                                                                                                             6.3

solvesso溶剂:                                                                                            1.0

 

Nonvolatile, wt%                                                               59

Pigment volume content,%                                             18

Viscosity, Ford cup No.4 sec.                                          40

Viscosity increase after 4weeks 50°C                       130%

 

该烤漆在140℃烘烤20分可获得光泽度高、硬度好、附着力好、抗腐蚀的漆膜。

 

本品可在密闭的环氧涂塑铁桶或涂塑铁罐中,在阴凉遮雨处保存18个月。

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