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    • 41. 发明申请
    • MULTISTAGE POLYMER DISPERSIONS, PROCESSES FOR PREPARING THEM, AND USE THEREOF
    • 多级聚合物分散体,其制备方法及其用途
    • US20120157577A1
    • 2012-06-21
    • US13333231
    • 2011-12-21
    • Sebastian ROLLEREkkehard JahnsHans-Jürgen Denu
    • Sebastian ROLLEREkkehard JahnsHans-Jürgen Denu
    • C08K3/20C08L43/04C08K3/00C08L41/00
    • C09D141/00
    • The present invention relates to aqueous multistage polymer dispersions obtainable by free-radically initiated aqueous emulsion polymerization, having a soft phase and a hard phase, and a hard-to-soft stage ratio of 25% to 95% by weight to 75% to 5% by weight, the glass transition temperature (Tg) of the soft phase, as first stage, being −30 to 0° C. and that of the hard phase, as second stage, being 20 to 60° C., comprising at least one monomer of the general formula I in which the variables have the following definitions: n=0 to 2, R1, R2, R3=independently of one another hydrogen or methyl group, X=O or NH, Y=H, alkali metal or NH4, to processes for preparing these aqueous polymer dispersions, and to the use thereof as binders in coatings, and also to coatings comprising the polymer dispersion of the invention.
    • 本发明涉及通过自由基引发的水乳液聚合获得的含水多阶段聚合物分散体,其具有软相和硬相,并且硬 - 软级比为25%至95%至75%至5 重量%时,作为第一阶段的软相的玻璃化转变温度(Tg)为-30〜0℃,第二阶段的硬相的玻璃化转变温度(Tg)为20〜60℃,至少包含 一个单体,其中变量具有以下定义:n = 0至2,R1,R2,R3 =彼此独立地为氢或甲基,X = O或NH,Y = H,碱金属或 NH 4,用于制备这些水性聚合物分散体的方法,以及其作为涂料中的粘合剂的用途,以及包含本发明的聚合物分散体的涂料。
    • 47. 发明授权
    • Application of microcapsules as latent heat accumulators
    • 微胶囊作为潜热蓄能器的应用
    • US06200681B1
    • 2001-03-13
    • US09554076
    • 2000-05-11
    • Ekkehard JahnsBernd Reck
    • Ekkehard JahnsBernd Reck
    • B32B1502
    • C04B16/08B01J13/14B01J13/185C04B2103/0071C08K9/10C08L2207/53C09D7/65C09K5/063Y10T428/2985Y10T428/2987Y10T428/2989
    • Used as latent heat storage media of microcapsules I comprising as core materials one or more lipophilic substances whose solid/liquid phase transition is within the range from −20 to 120° C. and as shell a polymer obtainable by free-radical polymerization of a monomer mixture comprising from 30 to 100% by weight, based on the overall weight of the monomers, of one or more C1-C24-alkyl esters of acrylic and/or methacrylic acid (monomer I), from 0 to 80% by weight, based on the overall weight of the monomers, of a bi- or polyfunctional monomer (monomers II) which is insoluble or of low solubility in water, and from 0 to 40% by weight, based on the overall weight of the monomers, of other monomers (monomers III), and also novel microcapsules Ia, spray-dried microcapsules Ia′, processes for their preparation and shaped articles and coating compositions comprising these microcapsules.
    • 用作微胶囊I的潜热储存介质,其包含作为核心材料的一种或多种亲液物质,其固相/液相转变在-20至120℃的范围内,并且作为壳可通过单体的自由基聚合获得的聚合物 基于单体的总重量,包含30至100重量%的一种或多种丙烯酸和/或甲基丙烯酸(单体I)的C 1 -C 24烷基酯,基于0至80重量%,基于 基于单体的总重量,单体的单体的单体(单体)不溶于或低溶解度的双官能或多官能单体(单体II)和基于单体总重量的0至40重量%的单体的总重量 III),以及新颖的微胶囊Ia,喷雾干燥的微胶囊Ia',其制备方法和成型制品以及包含这些微胶囊的涂料组合物。