发明名称 Process for delamination of laminated packaging
摘要 The present invention relates to a delamination method for recovering constituents of a paper-based multi layered laminated packaged waste. The method comprises using of a mixture of inorganic bases to separate the constituents of the packaged waste and recover paper, plastic and/or aluminium components separately. The paper can be recovered as pulp, the plastic can be recovered as is, and the aluminium can be recovered as a water soluble salt. The delamination method of the present invention is also effective on cardboard-based multi layered laminated packaged waste.
申请公布号 US8945396(B2) 申请公布日期 2015.02.03
申请号 US201013516993 申请日期 2010.12.20
申请人 Ashutosh Mukhopadhyay 发明人 Mukhopadhyay Ashutosh
分类号 C08J11/06;C02F9/00;B32B43/00 主分类号 C08J11/06
代理机构 D'Ambrosio & Menon, PLLC 代理人 D'Ambrosio & Menon, PLLC ;Menon Usha
主权项 1. A process for recovery of constituents of multi-layered laminated packaging waste, said process comprising the steps of: treating said multi-layered laminated packaging waste with a mixture of inorganic bases proportioned to dissolve bonding between said constituents; and separating said constituents from each other, wherein the mixture of inorganic bases comprises sodium sulfite, sodium sulfate and sodium hydroxide.
地址 Mumbai IN