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    CEMENT DISPERSANT AND CEMENT COMPOSITION USING THE SAME
    71.
    发明专利
    CEMENT DISPERSANT AND CEMENT COMPOSITION USING THE SAME 审中-公开

    公开(公告)号：JP2002121055A

    公开(公告)日：2002-04-23

    申请号：JP2001242932

    申请日：2001-08-09

    Applicant: NIPPON CATALYTIC CHEM IND

    Inventor： YAMASHITA AKIHIKO ,  TANAKA HIROMICHI ,  HIRATA TAKESHI ,  YAMAMOTO MASAYA ,  UNO TORU ,  ONDA YOSHIYUKI

    IPC: C04B24/26 ,  C04B24/32 ,  C04B28/02 ,  C04B103/40 ,  C08F216/12 ,  C08F220/02 ,  C08F290/06

    Abstract: PROBLEM TO BE SOLVED: To provide a cement dispersant showing excellent dispersion performance in the region of a high water reduction rate. SOLUTION: The cement dispersant contains a copolymer as an essential component containing the structural units derived from unsaturated (poly) alkylene glycol ether monomers expressed by general formula (1): YO(R1O)nH and unsaturated monocarboxylic acid monomers expressed by general formula (2), with the structural unit containing at least a structure derived from acrylic acids (salts). In formula (1), Y is a 4C alkyenyl group, R1O is one of 2-18C oxyalkylene groups or a mixture of two or more groups in which >=90 mol% of the whole oxyalkylene groups are oxyethylene groups, and n is the average molar number of added oxyalkylene groups and ranges from 1 to 300. In formula (2), each of R2, R3 and R4 is independently hydrogen or a methyl group and M is hydrogen, a monovalent metal, bivalent metal, ammonium group or organic amine group.

    WATER-SOLUBLE POLYMER AND ITS USE
    73.
    发明专利
    WATER-SOLUBLE POLYMER AND ITS USE 失效

    公开(公告)号：JP2002012627A

    公开(公告)日：2002-01-15

    申请号：JP2000344483

    申请日：2000-11-10

    Applicant: NIPPON CATALYTIC CHEM IND

    Inventor： MAEDA YOSHIHIRO ,  HENMI AKIKO ,  YAMAGUCHI SHIGERU

    IPC: B01J39/20 ,  C08F220/02 ,  C08F222/02 ,  C09K3/00 ,  C11D3/37

    Abstract: PROBLEM TO BE SOLVED: To obtain a specific water-soluble polymer exhibiting a high action for scavenging a calcium ion and showing a high action for dispersing clay even in high-hardness water, a detergent composition containing the polymer and to provide uses except the detergent composition by making the best of the characteristics of the water-soluble polymer. SOLUTION: This specific water-soluble polymer is characterized in that the polymer has >=0.40 calcium ion scavenging ability and >=0.50 clay dispersion ability in high-hardness water and is preferably obtained by compounding a polymer A having >=0.45 calcium ion scavenging ability with a polymer B having >=0.65 clay dispersion ability as essential components. This detergent composition obtained by using the water-soluble polymer has improved detergency even in high-hardness water.

    DONOR FILM FOR COLOR FILTER
    76.
    发明专利
    DONOR FILM FOR COLOR FILTER 失效

    公开(公告)号：JPH1114979A

    公开(公告)日：1999-01-22

    申请号：JP7072698

    申请日：1998-03-19

    Applicant: SAMSUNG DISPLAY DEVICES CO LTD

    Inventor： KWON JANG-HYUK

    IPC: B41J2/32 ,  B32B27/30 ,  B41M3/00 ,  B41M5/26 ,  B41M5/30 ,  B41M5/382 ,  B41M5/395 ,  B41M5/46 ,  C08F220/02 ,  G02B5/20 ,  G02F1/1335

    Abstract: PROBLEM TO BE SOLVED: To make it possible to form color filters having excellent characteristics, such as precision characteristic and color characteristic, by utilizing a thermal transfer method by incorporating an acrylic resin as a binder resin into a transfer layer. SOLUTION: The acrylic resin expressed by formula is incorporated as the binder resin into the transfer layer of a donor film for color filters including a supporting layer, a light absorption layer and the transfer layer. In the formula, R1 is hydrogen or methyl group; R2 is 1-12C alkyl group, 2 to 10C hydroxylalkyl group, substd. or unsubstd. arom. cyclic group, 5-10C cycloalkyl group or benzyl group; R3 is 5-10C alkyl group, substd. or unsubstd. arom. cyclic group, 5-10C cycloalkyl group or benzyl group; X is a vinyl group, epoxy group or hydrogen atom and 0.1

    PRODUCTION OF HYDROPHILIC POLYMER
    77.
    发明专利
    PRODUCTION OF HYDROPHILIC POLYMER 失效

    公开(公告)号：JPH10251310A

    公开(公告)日：1998-09-22

    申请号：JP6270197

    申请日：1997-03-17

    Applicant: NIPPON CATALYTIC CHEM IND

    Inventor： MIYAKE KOJI ,  HATSUDA TAKUMI ,  HARADA NOBUYUKI ,  KAMITOU TERUYUKI ,  YANO AKITO

    IPC: A61F13/53 ,  A61F13/49 ,  A61L15/60 ,  C08F2/00 ,  C08F220/02 ,  C08J3/24 ,  C08J9/00 ,  A61F13/46

    Abstract: PROBLEM TO BE SOLVED: To obtain the subject polymer large in absorption speed, easy in dryness and small in load on grinding by mixing a monomer aqueous solution containing a water-soluble ethylenically unsaturated monomer with a gas and subsequently polymerizing the monomer in the bubble-dispersed state. SOLUTION: This method for producing a hydrophilic polymer comprises mixing an aqueous monomer solution containing a water-soluble ethylenically unsaturated monomer such as (meth)acrylic acid with a gas such as an inert gas in a liquid state, preferably introducing the solution and the gas into a mixing region having an uneven surface and/or containing a filler to mix both the components or jetting either one of the aqueous monomer solution and the gas into the flow of the other from a nozzle in parallel to the flow to mix both the components, preferably adding a surfactant to the bubble-dispersed monomer aqueous solution, and subsequently polymerizing the monomer in the bubble-dispersed state, thus producing the objective polymer useful for uses requiring water absorption and water retention, such as the field of sanitary materials, e.g. sanitary articles or paper diapers, the fields of agriculture and horticulture, the field of foods, e.g. food freshness-holding materials, and the field of industrial materials, e.g. dew-preventing materials and cooling materials.

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