会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Metal surfaces coated with aliphatic acids containing 12 carbon atoms or
more to eliminate polymer build-up on reactor walls during the
polymerization of water-soluble cationic polymers
    • 涂覆有12个碳原子或更多碳原子的脂肪酸的金属表面,以消除水溶性阳离子聚合物聚合过程中反应器壁上的聚合物积聚
    • US4165419A
    • 1979-08-21
    • US912804
    • 1978-06-05
    • Naoyuki SuzukiYoji WadaAkihisa FurunoIwao OhshimaYukio Shibuya
    • Naoyuki SuzukiYoji WadaAkihisa FurunoIwao OhshimaYukio Shibuya
    • C08F2/00C08F2/10C08F2/44C08F20/00C08F20/34C08F18/00
    • C08F20/34
    • A method for producing a water-soluble cationic polymer by polymerizing, in the presence of water, a high concentration of (a) at least one vinyl monomer represented by the following general formula (I)ch.sub.2 .dbd.cr.sub.1 coor.sub.2 n.sup..sym. r.sub.3 r.sub.4 r.sub.5 x.sup..crclbar. (i)wherein R.sub.1 is --H or --CH.sub.3 ; R.sub.2 is --CH.sub.2 CH.sub.2 -- or --CH.sub.2 CH(OH)CH.sub.2 --; R.sub.3 and R.sub.4, which may be the same or different, each is --CH.sub.3 or --CH.sub.2 CH.sub.3 ; R.sub.5 is --C.sub.n H.sub.2n+1 where n is 0 or an integer of 1 to 4, --CH.sub.2 C.sub.6 H.sub.5, or --CH.sub.2 COOH; and X is Cl.sup.-, Br.sup.-, 1/2SO.sub.4.sup.-- or CH.sub.3 SO.sub.4.sup.-,or (b) a mixture of (i) at least one vinyl monomer represented by the general formula (I) and (ii) at least one other vinyl monomer copolymerizable therewith, wherein the vinyl monomer represented by the general formula (I) is present in the mixture in a predominant amount, and obtaining a polymer in a lump form, the improvement comprising performing the polymerization in a polymerization zone defined by a metal surface or surfaces, in which the metal surface(s) contacted during the polymerization have been coated with a layer of at least one of a higher aliphatic acid having 12 or more carbon atoms, an ammonium salt of a higher aliphatic acid having 12 or more carbon atoms and/or an alkali metal salt of a higher aliphatic acid having 12 or more carbon atoms.
    • 一种水溶性阳离子聚合物的制备方法,该水溶性阳离子聚合物通过在水存在下聚合高浓度(a)至少一种由以下通式(I)表示的乙烯基单体:CH2 = CR1COOR2N(+)R3R4R5X( - ) (I)其中R1是-H或-CH3; R2是-CH2CH2-或-CH2CH(OH)CH2-; R 3和R 4可以相同或不同,各自为-CH 3或-CH 2 CH 3; R5是-CnH2n + 1,其中n是0或1-4的整数,-CH2C6H5或-CH2COOH; 和(b)由通式(I)表示的至少一种乙烯基单体和(ⅱ)至少一种其它乙烯基单体的混合物, 可共聚的单体,其中由通式(I)表示的乙烯基单体以主要的量存在于混合物中,并且获得块状聚合物,其改进包括在由金属表面限定的聚合区中进行聚合 或其中金属表面在聚合过程中接触的表面已经涂覆有具有12个或更多个碳原子的高级脂族酸中的至少一种的层,具有12个或更多个碳的高级脂族酸的铵盐 原子和/或具有12个或更多个碳原子的高级脂族酸的碱金属盐。
    • 2. 发明授权
    • Process for producing polymer from quaternized acrylate monomer
    • 由季铵化丙烯酸酯单体生产聚合物的方法
    • US4190717A
    • 1980-02-26
    • US842157
    • 1977-10-14
    • Naoyuki SuzukiYoji WadaAkihisa FurunoMasao Ishii
    • Naoyuki SuzukiYoji WadaAkihisa FurunoMasao Ishii
    • C02F1/54C08F2/02C08F20/34C08F2/16
    • C02F1/54C08F20/34
    • A process for producing a cationic polymer, which comprises polymerizing a vinyl monomer represented by the general formula, ##STR1## wherein R.sub.1 represents --H or --CH.sub.3, R.sub.2 represents --CH.sub.2 CH.sub.2 -- or ##STR2## R.sub.3 and R.sub.4 represent --CH.sub.3 or --CH.sub.2 CH.sub.3, R.sub.5 represents --C.sub.n H.sub.2n+1, in which n is an integer of 0 to 4, ##STR3## or --CH.sub.2 COOH, and X.sup.- represents Cl.sup.-, CH.sub.3 SO.sub.4.sup.-, CH.sub.3 SO.sub.3.sup.-, or 1/2 SO.sub.4.sup.--, either alone or in admixture with up to 25% by weight, based on the total weight of the monomers, of other copolymerizable vinyl monomers in the presence of 7 to 18% by weight, based on the weight of the polymerization system, of water and, if necessary, choline chloride by use of a polymerization initiator and elevating the temperature, in the final polymerization stage, to 110.degree. to 150.degree. C. to complete the polymerization, thereby obtaining the water-soluble cationic polymer in the form of a lump. The polymer in the lump form thus obtained may be easily ground with a high efficiency at room temperature. The powdered polymer is excellent as a cationic flocculant.
    • 一种阳离子聚合物的制造方法,其包括聚合由通式表示的乙烯基单体,其中R 1表示-H或-CH 3,R 2表示-CH 2 CH 2 - 或R 3,R 4表示-CH 3 或-CH 2 CH 3,R 5表示-C n H 2n + 1,其中n为0至4的整数,或者是-CH 2 COOH,X表示Cl - ,CH 3 SO 4 - ,CH 3 SO 3 - 或1/2 SO 4 - 在基于聚合体系的重量的7至18重量%的存在下,单独或以至多25重量%的混合物,基于单体的总重量,其它可共聚的乙烯基单体的混合物,以及 如果需要,使用聚合引发剂进行氯化胆碱化,并在最终聚合阶段将温度升高至110℃至150℃以完成聚合,从而获得块状形式的水溶性阳离子聚合物 。 如此获得的块状聚合物可以容易地在室温下高效地研磨。 粉末聚合物作为阳离子絮凝剂是优异的。