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专利名称:METHOD AND PRODUCT IN THE
MANUFACTURING OF PAPER CARDBOARDOR PAPERBOARD
发明人:H KANSSON, Philip申请号:EP02763163.9申请日:20020902公开号:EP1444399A1公开日:20040811
摘要:A method to treat a sizing agent in connection with its use in a sizing
composition in the manufacturing of sized paper, cardboard or paperboard, which sizingagent is constituted by at least one alkyl keten dimer (AKD), and which sizing agentexhibits a melting jpoint above 20 DEG C. According to the invention, said sizing agent isheated to a temperature above its melting point, where after the sizing agent ismaintained at a temperature above a phase transition temperature for phase transitionto solid state at least up to charging of the sizing composition, that comprises the sizingagent, to a stock for the paper or paperboard. The invention also relates to a method forthe manufacturing of sized paper, cardboard or paperboard by use of the sizingcmposition, and the paper or paperboard manufactured accordingly.
申请人:Stora Enso Aktiebolag
地址:791 80 Falun SE
国籍:SE
代理机构:Johansson, Lars E.
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