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印刷公司溫致變色油墨的組成(2)填料

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2021-01-04 | 682 Views | Share:
印刷公司溫致變色油墨的組成(2)填料

印刷公司溫致變色油墨的組成2)填料


填料雖然是溫致變色油墨中的輔助材料,但其功能卻不可忽視。常用的填料一般為耐熱性較強的白色粉末,如氧化鋅、氧化鋁、氧化鈣、氧化銻、一氧化硅、碳酸鋇、碳酸鎂、碳酸鈣、硫酸鋇、高嶺土、滑石粉等。填料的品種及用量對變色油墨的性能有一定的影響(如對變色溫度產生影響),其原因是填料在溫度的作用下,某些活化元素對變色顏料能起催化或抑製作用,加入不同的填料,會引起變色溫度的升高或降低,因此在制備變色油墨時應十分重視這一問題
另外,有些填料可使墨膜顯示鮮艷且穩定的顏色,色調均勻,並能調節變色顏料的變色溫度,改善墨層的附著力。

印刷公司溫致變色油墨的組成(2)填料
印刷公司溫致變色油墨的組成2)填料

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