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    • 5. 发明申请
    • POLYOLEFIN GRAFT COPOLYMER AND ADHESIVE COMPOSITION
    • 聚烯烃共聚物和粘合剂组合物
    • US20110015338A1
    • 2011-01-20
    • US12922251
    • 2009-03-12
    • Takenori FujimuraRyo AburataniShuji MachidaShinichi Nakamura
    • Takenori FujimuraRyo AburataniShuji MachidaShinichi Nakamura
    • C08L51/06C08G63/91
    • C08L51/003C08F4/65908C08F4/65912C08F110/06C08F255/04C08L51/06C08L2666/02C09J151/003C09J151/06C08F4/65927C08F222/06C08F220/18C08F230/08C08F2500/15C08F2500/17C08F2500/02
    • A graft copolymer is provided that is useful as an adhesive composition that is excellent in adhesion strength between polyolefins and between a polyolefin and another member (for example, a metal, a resin, and an inorganic material, such as glass), is excellent in flowability at a low temperature and in melting property in a low temperature range, and is excellent in heat resistance after adhesion, i.e., a graft copolymer satisfying the following items (a) to (e):the graft copolymer having:(a) a main chain that is derived from one kind or two or more kinds of monomers selected from (I) acrylic acid and a derivative thereof, (II) methacrylic acid and a derivative thereof, (III) a vinyl ester and a derivative thereof, (IV) styrene and a derivative thereof and (V) a vinyl group-containing silane compound, at least one kind of the a monomer having a crosslinkable functional group,(b) a side chain that is derived from a reactive polyolefin having a meso pentad fraction (mmmm) of from 30 to 80% by mol and having an end unsaturated group in an amount of from 0.5 to 1.0 group per one molecule, the reactive polyolefin being a homopolymer of one kind of an α-olefin having from 3 to 28 carbon atoms, a copolymer of two or more kinds of α-olefins having from 3 to 28 carbon atoms, or a copolymer of 50% by mass or more of at least one of an α-olefin having from 3 to 28 carbon atoms and 50% by mass or less of ethylene,(c) a graft ratio of from 1 to 150% by mass,(d) a weight average molecular weight of from 500 to 400,000 measured by GPC, and(e) a molecular weight distribution (Mw/Mn) of from 1.5 to 4.
    • 提供了可用作聚烯烃之间和聚烯烃与另一部件(例如金属,树脂和无机材料如玻璃)之间的粘合强度优异的粘合剂组合物的接枝共聚物,其具有优异的 在低温下的流动性和低温范围的熔融性,粘合后的耐热性优异,即满足以下(a)〜(e)的接枝共聚物:接枝共聚物具有:(a) 衍生自选自(I)丙烯酸及其衍生物的一种或两种以上的单体的主链,(II)甲基丙烯酸及其衍生物,(III)乙烯基酯及其衍生物(IV )苯乙烯及其衍生物和(V)含乙烯基的硅烷化合物,至少一种具有交联性官能团的单体,(b)衍生自具有内消旋五官能度的反应性聚烯烃的侧链 (mmmm)从30 至80摩尔%,并且每分子具有0.5至1.0个基团的末端不饱和基团,反应性聚烯烃是一种具有3至28个碳原子的α-烯烃的均聚物,两个共聚物 或更多种具有3至28个碳原子的α-烯烃,或50质量%以上的碳原子数为3〜28的α-烯烃和50质量%以下的乙烯中的至少一种的共聚物 ,(c)1〜150质量%的接枝率,(d)通过GPC测定的重均分子量为500〜400,000,(e)分子量分布(Mw / Mn)为1.5〜 4。
    • 8. 发明授权
    • Process for production of modified propylene polymers and modified propylene polymers produced by the process
    • 通过该方法生产改性丙烯聚合物和改性丙烯聚合物的方法
    • US07459503B2
    • 2008-12-02
    • US10509329
    • 2003-04-11
    • Masami KanamaruYutaka MinamiRyo AburataniTomio TatsumiTakenori Fujimura
    • Masami KanamaruYutaka MinamiRyo AburataniTomio TatsumiTakenori Fujimura
    • C08F8/06C08F8/46
    • C09J123/12C08L2023/42C08L2666/02C09J123/10
    • The present invention relates to a method for producing a modified propylene-based polymer containing modifying a propylene-based polymer by a radical initiator and an organic acid, a modified propylene-based polymer obtained by the method, and an adhesive composition containing the modified propylene-based polymer. The propylene-based polymer is a propylene homopolymer satisfying the conditions of (a) mmmm=20 to 60 mol %, (b) [rrrr/(1-mmmm)]≦0.1, (c) rmrm>2.5 mol %, (d) mmxrr/(mr)2≦2.0, and (e) the weight ratio (W25) of components eluted at 25° C. or lower in a temperature programmed chromatography is 20 to 100% by weight, or a propylene copolymer satisfying the condition of (h) the stereoregularity index (P) obtained by 13C-NMR measurement is 55 to 90 mol %.The modified propylene-based polymer of the invention can make a polyolefin, etc. more adhesive, stronger, or flexible, to be useful for a high-adhesive sealant or an polyolefin with increased compatibility to an inorganic filler, etc., particularly as a resin for a hot-melt adhesive.
    • 本发明涉及通过自由基引发剂和有机酸改性丙烯类聚合物的改性丙烯类聚合物的制造方法,该方法得到的改性丙烯类聚合物和含有改性丙烯的粘合剂组合物 基聚合物。 丙烯类聚合物是满足(a)mmmm = 20〜60mol%,(b)[rrrr /(1-mmmm)] <= 0.1,(c)rmrm> 2.5mol%的条件的丙烯均聚物, d)mmxrr /(mr)2 <= 2.0,(e)在温度程序化色谱法中在25℃以下洗脱的组分的重量比(W25)为20〜100重量%,或者满足 (h)由13 C-NMR测定得到的立构规整度指数(P)的条件为55〜90摩尔%。 本发明的改性丙烯类聚合物可以使聚烯烃等具有更好的粘合性,更强或柔性,可用于具有增加与无机填料等的相容性的高粘合密封剂或聚烯烃,特别是作为 用于热熔胶的树脂。