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    • 4. 发明申请
    • EMULSION OR REDISPERSIBLE POLYMER POWDER OF A POLYMER COMPRISING A BIOMONOMER, A PROCESS TO PREPARE THEM, AND THE USE THEREOF IN BUILDING MATERIAL COMPOSITIONS
    • 包含生物质的聚合物的乳液或可重复聚合的聚合物粉末,其制备方法及其在建筑材料组合物中的用途
    • WO2011141400A1
    • 2011-11-17
    • PCT/EP2011/057374
    • 2011-05-09
    • AKZO NOBEL CHEMICALS INTERNATIONAL B.V.ZAPF, AlexanderSCHERER, Thomas
    • ZAPF, AlexanderSCHERER, Thomas
    • C08F2/22C04B26/00C08F2/20C08F2/24
    • C08L35/02C04B24/26C04B24/2641C04B24/2652C04B26/06C04B2103/0057C04B2103/63C04B2111/29C08F2/20C08F2/22C08F2/24
    • The present invention relates to process to prepare a polymer by an aqueous emulsion or suspension polymerisation process wherein a monomer mixture is polymerised in the presence of a free radical initiator and a stabiliser, to the emulsion and redispersible polymer powder obtainable therewith, and to the use of this emulsion and powder in a building material composition, in particular to hydrophobise the building material composition, wherein the monomer mixture comprises (i) 0.5-80 wt. % of biomonomers containing an ester of a polyol and at least one fatty acid, the polyol having 2 to 10 hydroxy groups, and at least one vinyl group; (ii) 20-99.5wt.%of vinyl monomers chosen from the group of vinyl esters, (meth)acrylic esters, vinyl aromatic compounds, vinyl halides, and olefins; and (iii) 0 to 20 wt % of vinyl monomers that are different from monomer (ii) and contain at least one functional groupchosen from the group of alkoxysilane, glycidyl, epoxy, epihalohydrin, nitrile, carboxyl, amine, ammonium, amide, imide, N-methylol, isocyanate, hydroxyl, thiol, keto, carbonyl, acid anhydride, aceto acetonate, sulfonic acid groups, and salts thereof, and the stabiliser comprises (a) 50 to 100 wt.% of a protective colloid; and (b) 0 to 50 wt.% of an emulsifier.
    • 本发明涉及通过水性乳液或悬浮聚合方法制备聚合物的方法,其中单体混合物在自由基引发剂和稳定剂的存在下聚合到可由其获得的乳液和可再分散的聚合物粉末中,并且涉及使用 该建筑材料组合物中的这种乳液和粉末,特别是疏水化建筑材料组合物,其中单体混合物包含(i)0.5-80wt。 含有多元醇和至少一种脂肪酸酯的生物单体的%,多元醇具有2-10个羟基,和至少一个乙烯基; (ii)20-99.5重量%的乙烯基单体,选自乙烯基酯,(甲基)丙烯酸酯,乙烯基芳族化合物,乙烯基卤化物和烯烃; 和(iii)0至20重量%的不同于单体(ii)的乙烯基单体,并且含有至少一个选自烷氧基硅烷,缩水甘油基,环氧基,表卤代醇,腈,羧基,胺,铵,酰胺,酰亚胺的官能团 ,N-羟甲基,异氰酸酯,羟基,硫醇,酮基,羰基,酸酐,乙酰丙酮酸酯,磺酸基及其盐,稳定剂包含(a)50-100重量%的保护胶体; 和(b)0至50重量%的乳化剂。