美镙丝-62氨基树脂异丁醇醚化脲醛树脂)

 

本品为含树脂58-62%的异丁醇-二甲苯溶液,与醇酸树脂、聚酯树脂和丙烯酸树脂有很好的相溶性,用于配制快速固化的家具漆、自然风干醇氨基漆和酸催化低温烤漆。所成漆膜有委好的光泽度、硬度和附着力。用量可高达35%。烘烤条件一般为110-125℃,15分钟。

 

质量指标:

外观

 

无色,粘稠液体

非挥发份

wt.%

58-62

色度,APHA

 

30

粘度

CPS

700-1800

比重,25

 

1.03-1.10

酸值

mgKOH/g

2

甲醇相溶度

%

 

下面推荐一种酸催化木器涂料的配方:

短油醇酸树脂(含固量50,酸度10,粘度500cps):          46.5

“美镙丝11                                                                                           5.3

“美镙丝”62:                                                                                          18.8

乙醇:                                                                                                           12.0

异丁醇:                                                                                                    12.1

BYK-333:                                                                                                  0.3

对甲苯磺酸:                                                                                              5.0

 

Nonvolatile, wt%                                              52%

Ratio alkyd/amino                                             7/3

Ratio urea/melamine                                        7/3

Viscosity, DIN4/23°c                                        39

Potlife stability,%after 8hrs.                        115
        
Drying by drying recorder, hrs.                      17

 

该烤漆在50℃烘烤30分可获得光泽度高、硬度好、稳定性好的漆膜。

 

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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