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    • 1. 发明授权
    • Process for emulsion polymerization
    • 乳液聚合方法
    • US4859751A
    • 1989-08-22
    • US665787
    • 1984-10-29
    • Joachim SchulzeKlaus AdlerManfred SeligPeter BallKlaus MarquardtOtmar KillermannManfred Hannebaum
    • Joachim SchulzeKlaus AdlerManfred SeligPeter BallKlaus MarquardtOtmar KillermannManfred Hannebaum
    • C08L27/00C04B24/26C04B26/04C08F2/20C08F2/24C08F6/00C08F6/06C08F6/14C08F10/00C08F210/02C08F214/06C08J3/12C08K3/34C08L1/00C08L27/06C08L29/00C09D127/04C09J127/04
    • C08J3/122C04B24/2682C04B26/04C08F214/06C08J3/12C08J2327/06
    • A novel process for the preparation of a readily dispersible, pourable dispersion powder comprising emulsion polymerizing in the presence of a free radial initiator a mixture of 1 to 50% by weight of ethylene and 99 to 50% by weight of an ethylenically unsaturated comonomer phase comprising at least one member of the group consisting of (a) 60 to 100% by weight of vinyl chloride, (b) 0 to 40% by weight of monoethylically unsaturated, oil-soluble monomers, (c) 0 to 10% by weight of monoethylenically unsaturated water-soluble monomers having functional groups and (d) 0 to 5% by weight of oil-soluble monomers that are monoethylenically unsaturated and have functional groups or are multiple ethylenically unsaturated and optionally a protective colloid and/or emulsifier at an ethylene pressure of 10 to 150 bar to obtain an aqueous dispersion of a vinyl chloride-ethyelene copolymer, optionally adding to the aqueous dispersion (e) 0 to 40% by weight, based on the VCE-polymer, of at least one water-soluble substance having a T.sub.g .gtoreq.60.degree. C., (f) 0 to 1% by weight, based on the VCE-polymer, of an antifoaming agent, and (g) 0 to 30% by weight, based on the total weight of polymer constituents, of a finely divided antiblocking agent and spray drying or freeze drying the aqueous dispersion to obtain the readily redispersible, pourable powder of a vinyl chloride-ethylene copolymer and the powder produced by the said process and improved coatings, paints, glues and adhesives containing the said redispersible powder.
    • 一种用于制备容易分散的可倾倒分散粉末的新方法,其包括在自由径向引发剂存在下,在1-50重量%的乙烯和99-50重量%的烯键式不饱和共聚单体相的混合物中聚合乳液,该混合物包含 由(a)60至100重量%的氯乙烯组成的组中的至少一个,(b)0至40重量%的单乙基不饱和的油溶性单体,(c)0至10重量% 具有官能团的单烯属不饱和水溶性单体和(d)0-5重量%的单烯属不饱和和具有官能团或具有多烯属不饱和和任选的乙烯压力保护胶体和/或乳化剂的油溶性单体 10至150巴,以获得氯乙烯 - 乙烯共聚物的水分散体,任选地将水分散体(e)加入至少一种基于VCE-聚合物的0至40重量% 基于VCE聚合物,消泡剂的Tg> = 60℃,(f)0〜1重量%的水溶性物质,和(g)0〜30重量%,基于 聚合物组分的总重量,细碎的防粘连剂,并喷雾干燥或冷冻干燥该水性分散体以获得氯乙烯 - 乙烯共聚物的容易再分散的可倾倒粉末和由所述方法生产的粉末和改进的涂料,油漆 ,含有所述可再分散粉末的胶水和粘合剂。
    • 2. 发明授权
    • Finely-divided vinyl chloride-ethylene copolymers stabilized by
protection colloids
    • 由保护胶体稳定的细分氯乙烯 - 乙烯共聚物
    • US5124401A
    • 1992-06-23
    • US149176
    • 1988-01-27
    • Manfred SeligJoachim SchulzePeter BallKlaus MarquardtManfred Hannebaum
    • Manfred SeligJoachim SchulzePeter BallKlaus MarquardtManfred Hannebaum
    • C08F214/06
    • C08F214/06
    • A finely-divided, monomodal protective-colloid stabilized aqueous dispersion of a copolymer of at least 75% by weight of units of vinyl chloride and ethylene and optionally copolymerized with up to 25% by weight of units of additional monomers unsaturated at the ethylene bond and having a solids content of 45 to 70% by weight, characterized in that the dispersions are not partially flocculated, the polymer has a mean particle size of 150 to 500 nm measured as mean weight in a disc centrifuge and a polydispersion index of not more than 1.8 and less than 50% of the polymer particles are larger than 1,000 nm and a process for the preparation thereof using a single step radical polymerization of vinyl chloride, ethylene and optionally additional monomers such as vinyl esters useful as dispersion powders, adhesives, binders and concrete additives.
    • 一种细分散的单峰保护胶体稳定的水分散体,其为至少75重量%的氯乙烯和乙烯单元的共聚物,并且任选地与至多25重量%的在乙烯键不饱和的单体的单元共聚,和 固体含量为45〜70重量%,其特征在于分散体不部分絮凝,聚合物的平均粒度为150〜500nm,以盘式离心机的平均重量测定,多分散指数为 1.8和小于50%的聚合物颗粒大于1,000nm,并且使用氯乙烯,乙烯和任选的其它单体如乙烯基酯可以用作分散体粉末,粘合剂,粘合剂和粘合剂的单步自由基聚合制备方法 混凝土添加剂。
    • 3. 发明授权
    • Process for the manufacture of copolymers having increased resistance
against hydrolysis, the copolymers and their use
    • 具有增加的抗水解性,共聚物及其用途的共聚物的制造方法
    • US4397968A
    • 1983-08-09
    • US327351
    • 1981-12-04
    • Herbert EckKlaus AdlerManfred HannebaumWilhelm Lechner
    • Herbert EckKlaus AdlerManfred HannebaumWilhelm Lechner
    • C08L29/00C08F2/20C08F2/22C08F2/44C08F12/08C08F20/12C08L29/04C08L33/00C08L33/02C08L33/04C08K9/00
    • C08F12/08C08F20/12
    • A process for the production of an aqueous dispersion stabilized by a water-soluble polyvinyl alcohol and based on copolymers that comprise at least 60% by weight of monomer units selected from the group consisting of esters of acrylic acid, esters of methacrylic acid, styrene, and substituted styrene and mixtures thereof, consisting essentially of subjecting a stabilized dispersion of a monomer mixture containing at least 60% by weight of monomers selected from the group consisting of esters of acrylic acid, esters of methacrylic acid, styrene, substituted styrene and mixtures thereof, said dispersion being an aqueous dispersion stabilized by a water-soluble polyvinyl alcohol, to polymerization at a temperature in excess of 60.degree. C. in the presence of a free-radical-forming catalyst selected from the group consisting of (a) organic catalysts soluble in the monomers and also being at least partially water-soluble, optionally in combination with water-soluble reducing agents and (b) peroxosulfur catalysts, in such a manner that, during the entire duration of the reaction, said monomer mixture is supplied at such a rate by metering in the monomer mixture in the form of a previously obtained emulsion, that the monomer concentration is maintained at less than 20% by weight, based on the total weight of the reaction mixture, and recovering said stabilized dispersion; as well as the aqueous dispersion produced by the process, the use of the aqueous dispersions as a binder in dispersion dyes and adhesives, the said binder having increased resistance against hydrolysis on drying due to the special manufacturing process.
    • 一种制备由水溶性聚乙烯醇稳定的水性分散体的方法,并且基于共聚物,所述共聚物包含至少60重量%的单体单元,所述单体单元选自丙烯酸的酯,甲基丙烯酸的酯,苯乙烯, 和取代的苯乙烯及其混合物,基本上由以下组成的单体混合物的稳定分散体:含有至少60重量%的选自丙烯酸的酯,甲基丙烯酸的酯,苯乙烯,取代的苯乙烯及其混合物的单体的混合物 所述分散体是由水溶性聚乙烯醇稳定的水分散体,在自由基形成催化剂存在下,在超过60℃的温度下聚合,所述自由基形成催化剂选自(a)有机催化剂 可溶于单体,并且至少部分为水溶性,任选与水溶性还原剂组合,和(b)pe 罗莫硫磺催化剂,使得在反应的整个持续时间期间,所述单体混合物以预先获得的乳液形式的单体混合物中的计量以这样的速率供应,单体浓度保持在小于 20重量%,基于反应混合物的总重量,并回收所述稳定的分散体; 以及通过该方法制备的水分散体,在分散染料和粘合剂中使用水性分散体作为粘合剂,所述粘合剂由于特殊的制造工艺而具有增加的耐干燥水解性。
    • 4. 发明授权
    • Process for preparing protective-colloid-stabilized vinyl ester or vinyl ester-ethylene polymers in the form of their aqueous dispersions
    • 制备保护胶体稳定的乙烯基酯或其水分散体形式的乙烯基酯 - 乙烯聚合物的方法
    • US06262163B1
    • 2001-07-17
    • US09280923
    • 1999-03-29
    • Hans-Peter WeitzelUdo KotschiManfred Hannebaum
    • Hans-Peter WeitzelUdo KotschiManfred Hannebaum
    • C08L3106
    • C08F18/04C08F2/24
    • The invention relates to a process for preparing protective-colloid-stabilized vinyl ester or vinyl ester-ethylene polymers in the form of their aqueous dispersions by emulsion polymerization in the presence of one or more protective colloids, which comprises carrying out the polymerization in the presence of a hydrophobic but silane-free protective colloid based on (meth)acrylate polymers with from 80 to 95% by weight, based on the total weight of the copolymer, of acrylic or methacrylic esters of aliphatic alcohols having from 1 to 12 carbon atoms, and from 5 to 20% by weight, based on the total weight of the copolymer, of ethylenically unsaturated mono- or dicarboxylic acids, and with a glass transition temperature Tg of the copolymer of from 60 to 120° C., and with a Fikentscher K value of the copolymer of from 20 to 50.
    • 本发明涉及一种在一种或多种保护胶体存在下通过乳液聚合制备其水分散体形式的保护胶体稳定的乙烯基酯或乙烯基酯 - 乙烯聚合物的方法,其包括在存在下进行聚合 的基于(甲基)丙烯酸酯聚合物的疏水但不含硅烷的保护胶体,其基于共聚物的总重量为80至95重量%,具有1至12个碳原子的脂族醇的丙烯酸或甲基丙烯酸酯, 和5至20重量%,基于共聚物的总重量,烯键式不饱和单羧酸或二羧酸,并且共聚物的玻璃化转变温度Tg为60至120℃,以及Fikentscher 共聚物的K值为20〜50。