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    Use of compositions based on substituted polyethylenes as nonlinear-optical materials
    4.
    发明专利
    Use of compositions based on substituted polyethylenes as nonlinear-optical materials 未知

    公开(公告)号：DE4333657A1

    公开(公告)日：1995-04-06

    申请号：DE4333657

    申请日：1993-10-02

    Applicant: BASF AG

    Inventor： WUENSCH JOSEF DR ,  HAAS KARL-HEINZ DR ,  ESSER ANTON DR ,  SCHROF WOLFGANG DR

    IPC: G02F1/35 ,  C08F8/00 ,  C08J5/18 ,  C08L39/00 ,  C08L41/00 ,  C08L101/00 ,  C08L101/02 ,  G02F1/355 ,  G02F1/361 ,  B29C71/02 ,  C08L29/04 ,  C08L31/02 ,  C08L39/04

    Abstract: The use of compositions obtainable from a mixture containing A) polyethylenes containing recurring units of the formula I in which R is a radical of the formula R and R and R to R , independently of one another, may be identical or different and are selected from the group consisting of hydrogen, halogen, -NO2, -CN, C1- to C50-alkyl, C1- to C50-alkoxy, C3- to C50-cycloalkyl, C3- to C50-cycloalkoxy, C6- to C18-aryl, C6- to C18-aryloxy and C4- to C18-heteroaryl radicals, where the abovementioned radicals may in each case have one or more substituents, and where the alkyl, alkoxy, cycloalkyl and cycloalkoxy radicals may each contain one or more double bonds, and each of the abovementioned radicals may be interrupted by one or more heteroatoms or groups containing heteroatoms, and R and R , independently of one another, may be identical or different and are selected from the group consisting of C1- to C50-alkyl and C3- to C50-cycloalkyl radicals, and R is selected from the group consisting of C1- to C50-alkyl and C6- to C18-aryl radicals, and X is a halogen, and M is a divalent or trivalent metal, and n is an integer from 5 to 10 , and p is 2 or 3, and B) at least one polymer other than A, by cleaving off radicals R and in each case an alpha -proton from the polyethylene A, as nonlinear-optical materials.

    6.
    发明专利
    未知

    公开(公告)号：DE19700648A1

    公开(公告)日：1998-07-23

    申请号：DE19700648

    申请日：1997-01-10

    Applicant: BASF AG

    Inventor： ESSER ANTON DR ,  RUNGE FRANK DR ,  KAUB HANS-PETER

    IPC: G01N15/14 ,  G01N21/47 ,  G01N21/64 ,  G01N15/02 ,  G01N21/77

    Abstract: The method is used to determine the size distribution of at least two types of fluorescent particles in a sample. The particles in the sample are scattered and light illuminates the sample along a predetermined beam direction. At least one scattered light intensity value and at least one fluorescent light intensity value are measured for each particle. The particles are allocated to a respective particle type on the basis of the position of their measured value pair in a region in a three dimensional space which is defined by the intensity values. Each region has at least one local maximum of frequency of occurrence of the measured value pair in the space for the particle type. The relative frequency of occurrence of the fluorescence light intensity value for each particle is determined and is used to calculate the relative particle size distribution for the corresponding particle types. The relative size distributions for the individual particle types are normalised with respect to each other using the position of the regions in the three dimensional space. A common relative particle size distribution is formed for the particles of all types.

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