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    • 4. 发明公开
    • OLIGOMÈRES ACRYLES MULTIFONCTIONNELS DE STRUCTURE RAMIFIÉE PAR POLYADDITION ENTRE AMINES ET ACRYLATES MULTIFONCTIONNELS
    • OLIGOMÈRESACRYLES多功能尼龙结构RAMIFIÉEPAR多重入门胺ET ACRYLATES MULTIFONCTIONNELS
    • EP3158008A1
    • 2017-04-26
    • EP15733833.6
    • 2015-06-15
    • Arkema France
    • CICERON, PhilippeBOURROUSSE, CharlesLEROY, Catherine
    • C09D4/00C08F222/10
    • The invention relates to an acrylic oligomer, having a number-average acrylate functionality f
      o > 2, of branched structure resulting from the polyaddition reaction of at least one amine A) having a functionality f
      A of N-H groups of at least 2, to at least one multifunctional acrylate B) having a functionality f
      B of acrylate groups of at least 2 with an average functionality per mole of all of the components A) + B) of greater than 2 and with said oligomer comprising, in its repeat unit structure, at least one aminoacrylate group -O
      2 C-CH
      2 -CH
      2 -N= resulting from said polyaddition and with a content of nitrogen resulting from said amine A) of greater than or equal to 0.35 mEq/g and an initial ratio r = acrylate / N-H of between r
      inf and 1.1 r
      sup with r
      inf = 0.90*(f
      A -1 )*(f
      B -1 ) and r
      sup = 2*f
      A + 2*f
      B - 6 and the average number n
      av of said repeat units per oligomer n
      av = 1 / [(r*f
      A /f
      B ) + 1 - f
      A ]. The invention also relates to a specific preparation process and to the use of said oligomer in crosslinkable compositions, in particular as UV synergist in crosslinkable coatings, such as inks, varnishes, paints, adhesives, or gel coats or in moulding compositions or in compositions for 3D articles made by superposition of successive layers, and finally to the crosslinked product that results therefrom.
    • 本发明涉及一种丙烯酸低聚物,其具有数均丙烯酸酯官能度f 0> 2,由至少一种具有至少2的NH基官能度f A的胺A)与至少一种 多官能丙烯酸酯B),其具有至少2个丙烯酸酯基团的官能度f B,每摩尔所有组分A)+ B)的平均官能度大于2,且所述低聚物在其重复单元结构中包含至少一个 氨基丙烯酸酯基团-O2C-CH2-CH2-N =由所述加聚反应得到,并且由所述胺A)得到的氮含量大于或等于0.35mEq / g,初始比率r =丙烯酸酯/ 对于每个低聚物nav = 1 / [(r * fA-1),rinf = 0.90 *(fA-1)*(fB-1)和rsup = 2 * fA + 2 * fB-6的平均数目nav, / fB)+ 1-fA]。 本发明还涉及特定的制备方法以及所述低聚物在可交联组合物中的用途,特别是作为可交联涂料(例如油墨,清漆,油漆,粘合剂或凝胶涂料中)或模塑组合物中或用于 由连续层叠加制成的3D制品,最后是由此产生的交联产品。
    • 6. 发明公开
    • PRODUITS ETHER-ESTERS ACRYLES MULTIFONCTIONNELS MODIFIES PAR ANHYDRIDE CARBOXILIQUE OU SA FORME POLYACIDE, PROCEDE DE PREPARATION ET COMPOSITIONS RETICULABLES LIEES
    • 生产醚醚类丙烯酸酯多元醇改性PAR氢化物CARBOXILIQUE OU SA FORME聚酰胺,制备方法和组合物可制成的组分
    • EP3212718A1
    • 2017-09-06
    • EP15788173.1
    • 2015-10-13
    • Arkema France
    • MONNIER, GuillaumeCICERON, PhilippeLEROY, CatherineBOURROUSSE, Charles
    • C09D4/06C09J4/06C08G63/676
    • C07C69/80C07C67/29C08F122/105C08F2222/1073C08G63/676C09D4/06
    • The invention relates to a multifunctional acrylic product having a number-average functionality f of acrylate groups greater than 2.1, which is the product of reaction by esterification and by etherification, via Michael addition reaction, between a) a polyol or a mixture of polyols R(OH)
      m having a functionality m of at least 3 for a polyol alone or having an average functionality greater than 2.1 for a mixture of polyols, and b) the acrylic acid (ROH) in the presence of c) at least one cyclic polycarboxylic anhydride or its polyacid form having a carboxy functionality z of at least 2 and up to 4, the ratio r
      1 of number of carboxy groups of said anhydride or polyacid c) with respect to those of the acrylic acid b) r
      1 = CO
      2 H
      c /CO
      2 H
      b being from 0.01 to 0.4 with overall r = CO
      2 H/OH
    • 本发明涉及具有大于2.1的丙烯酸酯基团的数均官能度f的多官能丙烯酸类产品,其是酯化反应和醚化反应的产物,通过迈克尔加成反应在a)多元醇或多元醇混合物R (OH)m,其对于单独的多元醇具有至少3的官能度m或对于多元醇的混合物具有大于2.1的平均官能度,和b)在c)存在下的丙烯酸(ROH),至少一种环状多元羧酸 酸酐或其多元酸形式,其具有至少2且至多4的羧基官能度z,所述酸酐或多元酸c)的羧基数相对于丙烯酸b)的那些数的比值r1 r1 = CO2Hc / CO2Hb为 所述丙烯酸类产品在其组成中包括: - 单元A)由a)和b)衍生的低聚醚 - 丙烯酸酯单元和 - 低聚酯丙烯酸酯的单元B) 是从c)派生出来的,说是丙烯酸 产品是包含至少一种丙烯酸类产品p1的丙烯酸类产品的混合物,所述丙烯酸类产品p1在其分子结构中化学连接如上所定义的两种类型的单元A)和B)。 本发明还涉及制备所述产品的方法,包含其的可交联组合物和其在涂料,密封,模塑或复合组合物,化学密封组合物,3D印刷组合物或用于逐层生产的3D物体的组合物中的用途 。 这些组合物的一个特别的优点是尽管其高官能度,其收缩率也较低。