美镙丝-75氨基树脂异丁醇醚化三聚氰胺脲醛树脂)

 

本品为含树脂59-63%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木器漆、自然风干醇酸氨基漆、酸催化低温烤漆。所成漆膜有很好的光泽、附着力、极佳的硬度和抗腐蚀性。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.%

59-63

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75                                                                                          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                                       6/4

Viscosity, DIN4/23°c                                      35

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、硬度极好、稳定性极好的漆膜。

 

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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