Studies on the feasibility of the recycled paper and board to be used for food packaging materials in China, 2010 TAPPI PEERS Conference



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Stimulated by the sustainability and the ecology-driven, some waste paper which were collected from the local areas in 2008 and 2009 respectively were classified into 9 kinds according to China GB 20811-2006, and then were deinked and made into new sheets in the lab. To make sure the safety of these new sheets for food packaging materials, Gas Chromatography Mass Spectrum(GC-MS)was used to identify the organic compounds in these samples. It demonstrates that the organic contaminants in these paper samples are mainly Alkane, Halohydrocarbon, Alkene, Ketone, Alcohols, Esters, Dissopropyl naphthalenes (DIPN), Aldehydes, Alkylbenzene, Phthalates, such as Diethyl phthalate(DEP), Dibutyl phthalate(DBP), 1,2-benzenedicarboxylic acid bis(2-methylpropyl) ester(DIBP), Bis (2-ethylhexyl) phthalate(DEHP), and 1,2-benzenedicarboxylic acid diisooctyl ester (DINOP), Phenol, Butylated Hydroxytoluene (BHT) and so on. Except for the unknown processes, such processes of transportation, storage, downstream processing and so no, most of these compounds are mainly from the printing inks, adhesives and carbonless copy paper. Therefore, the best way to improve the quality of waste paper to reuse for food packaging materials is to reduce the printing inks and adhesives as utterly as possible.

Author: Meigui Xue, Shuangfei Wang, Xuemei Meng , Zhongbin Deng, and Chongxing Huang
Studies on the feasibility of the recycled paper and board t
Studies on the feasibility of the recycled paper and board to be used for food packaging materials in China, 2010 TAPPI PEERS Conference
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