发明名称 |
VERFAHREN ZUM QUANTIFIZIEREN VON QUALITÄTSERHÖHENDEN CHEMIKALIEN IN PULPE UND PAPIER |
摘要 |
A method for the quantification of the one or several of the physical properties selected from dry tensile strength, hydrophobicity, debonding energy, bursting strength, wettability and printability of pulp and/or paper which method comprises (I) developing a calibration model by (I.a) registering absorption, reflectance or emission spectra of reference samples of paper of known properties as defined above to develop learning sets; (I.b) processing the spectral raw data, to reduce noise and adjust for drift and diffuse light scatter; (I.c) performing a data analysis by applying chemometric techniques to the processed learning sets; and (II) determining the unknown properties as defined above of pulp and/or paper by registering the absorption, reflectance or emission spectrum, in correspondence to (I.a), from the pulp and/or paper having unknown properties; processing the thereby obtained spectral raw data as according to (I.b); and applying the developed calibration model to the processed data. Optionally, a data analysis step as according to (I.c) can also be applied to the processed spectral raw data from the paper having unknown properties. |
申请公布号 |
DE69502189(T2) |
申请公布日期 |
1998.09.03 |
申请号 |
DE1995602189T |
申请日期 |
1995.05.12 |
申请人 |
EKA CHEMICALS AB, BOHUS, SE |
发明人 |
HELMER, ULLA, S-170 72 SOLNA, SE;RENBERG, LARS, S-137 38 VAESTERHANINGE, SE;OLSSON, RALF, S-112 42 STOCKHOLM, SE |
分类号 |
G01N21/64;G01N21/27;G01N21/35;G01N33/34;(IPC1-7):G01N21/84 |
主分类号 |
G01N21/64 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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