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一、塑料印刷行业的环保要求及现状2009年以前,国内塑料印刷企业普遍使用苯类酮类油墨印刷着色,甲苯、二甲苯亦作为塑料印刷油墨的稀释剂主剂,所以,塑料印刷成品中都含有苯类物质,包括各类食品类塑料包装。根据当时的国家标准,塑料食品包装允许苯物质的少量存在,属限制性标准。当时,国内油墨生产行业已意识到环保型无苯无酮油墨是行业发展的必然趋势,纷纷研制苯类油墨的替代产品,但由于此类油墨成本过
First, the environmental requirements and status of the plastics printing industry Before 2009, the domestic plastic printing companies generally use benzene ketone printing ink coloring, toluene, xylene also as the main agent of plastic printing ink thinner, so the plastic printing products are Contains benzene, including all types of food plastic packaging. According to the then national standards, plastic food packaging allows a small amount of benzene, is a restrictive standard. At that time, the domestic ink production industry has realized that environmentally friendly benzene-free ketone-free ink is the inevitable trend of development of the industry, have developed alternative products of benzene-based inks, but because of such ink costs