<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">科学技术迅速发展,工业现代化和城市人口集中,带来了日益严重的环境污染,尤其是化学物质污染引起的环境和生态危机,已成为影响国民经济和社会发展的重要因素。***N>
<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">胶粘剂工业突飞猛进的发展,为社会提供了许多新胶种,同时也给环境带来了新的污染问题。胶粘剂的功能和应用己受到广泛重视,而胶粘剂的环保间题却往往被人所忽视。但在环境意识和健康意识日益提高的今天,对胶粘剂的环保问题的要求将愈加严格,保护环境显得更为重要,生产单位应制造出环保型绿色胶粘剂,使用者则渴望能用上无毒无害的胶粘剂。因此,非常需要了解胶粘剂的环保问题。***N>
<***N lang=EN-US>1***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、胶粘剂的环保问题***N>
<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">胶粘剂的环保问题主要是对环境的污染和人体健康的危害,这是由于胶粘剂中的有害物质,如挥发性有机化合物、有毒的固化剂、增塑剂、稀释剂以及其他助剂、有害的填料等所造成的。***N>
<***N lang=EN-US>1.1***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、挥发性有机化合物***N>
<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">挥发性有机化合物***N><***N lang=EN-US>(VOC)***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在胶粘剂中存在的很多,如溶剂型胶粘剂中的有机溶剂***N><***N lang=EN-US>;***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">三醛胶***N><***N lang=EN-US>(***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">酚醛、脉醛、三聚氰胺甲醛***N><***N lang=EN-US>)***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">中的游离甲醛***N><***N lang=EN-US>;***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">不饱和聚醋胶粘剂中的苯*****N><***N lang=EN-US>;***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">***酯乳液胶粘剂中的未反应单体***N><***N lang=EN-US>;***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">改性***酯快固结构胶粘剂中的*****甲醛***N><***N lang=EN-US>;***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">聚氨酯胶粘剂中的多异氰酸醋***N><***N lang=EN-US>;***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">二氢基***酯胶粘剂中的二氧化硫***N><***N lang=EN-US>;4115***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">建筑胶中的**;***酯乳液中的增稠剂**等。这些易挥发性的物质排放到大气中,危害很大,而且有些发生光化作用,产生臭氧,低层空间的臭氧污染大气,影响生物的生长和人类的健康。有些卤代烃溶剂则是破坏大气臭氧层的物质。有些芳香烃溶剂毒性很大,甚至有致癌性。*****甲醋、二氧化硫、**等刺激性气味大,可谓污染之毒,恶化了大气环境。***N>
<***N lang=EN-US>1.2***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、有毒的固化剂机增塑剂***N>
<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">芳香胺类固化剂毒性甚大,有的还会引起膀胱癌,如间苯二胺等。增塑剂**三**酚酯毒性极大。近年来,关于邻苯二**酯类增塑剂的有害性争议彼起此伏,过去认为邻苯二**二丁酯***N><***N lang=EN-US>(DBP)***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">和邻苯二**二辛酯***N><***N lang=EN-US>(DOP)***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">是无毒无害的,如今则发现***N><***N lang=EN-US>DBP***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">和***N><***N lang=EN-US>DOP***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">,对人体健康有害,吸入人体后会使内分泌失调。动物试验表明,尤其对肝脏和**有伤害作用,甚至可能致癌。除了接触食品用的胶粘剂,一般胶粘剂中使用***N><***N lang=EN-US>DBP***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">和***N><***N lang=EN-US>DOP***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">问题不会很大,但也应当引起注意。***N>
<***N lang=EN-US>1.3***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、有毒害的填料***N>
<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">胶粘剂使用的填料品种很多,有些也会造成毒害,如**粉纤维非常纤细,对环境污染严重,是一种厉害的致癌物质。粉尘随风飞扬,通过呼吸道和毛细孔进人人体,可积累在肺中,导致肺癌、支气管痛、间皮瘤等。**引起的疾病潜伏期相当长,甚至可达***N><***N lang=EN-US>40***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">年之久,日本称**为“静静的****”。长期吸人石英粉会引起矽肺。含有毒重金属***N><***N lang=EN-US>(***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">铅、铬、福***N><***N lang=EN-US>)***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的填料或颜料对人体的危害也是很严重的。***N>
<***N lang=EN-US>1.4***N><***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、有毒有容的助剂***N>
<***N style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">当胶粘剂用的基础树脂***N><***N style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US>(***N><***N style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">或橡胶***N><***N style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US>)***N><***N style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">被确定之后,胶枯剂的配制和应用性能在很大程度上取决于所用助剂的调节改性作用,必须注意一些助剂的毒性,防老剂***N><***N style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US>D***N><***N style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">已被确认有致癌性,***N><***N style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US>BHT***N><***N style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">致癌嫌疑犹存。***N><***N style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US>MOCA***N><***N style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">、偶氮二异丁氰***N><***N style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US>(AIBN)***N><***N style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">、二*******都有较大的毒性***N>