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    • 83. 发明授权
    • Polypropylene resin composition
    • 聚丙烯树脂组合物
    • US5717013A
    • 1998-02-10
    • US701706
    • 1996-08-22
    • Kenji IchiyanagiMasayuki Yamazaki
    • Kenji IchiyanagiMasayuki Yamazaki
    • C08K3/22C08K3/26C08K5/07C08K5/09C08K5/098C08K5/52C08K5/527C08K5/56C08L23/12C08K5/15C08J5/00
    • C08K5/098C08K3/26C08K5/07C08K5/527
    • A polypropylene resin composition comprising (a) 100 parts by weight of a propylene polymer having an isotactic pentad fraction of 96% or more which is determined by .sup.13 C-NMR, (b) 0.01-5 parts by weight of at least one alkali salt selected from the group consisting of alkali carboxylates, alkali .beta.-diketonates and alkali salts of .beta.-ketacetate, (c) 0.01-5 parts by weight of an organophosphoric compound, and (d) 0.01-0.5 parts by weight of a lithium aluminum compound. The organophosphoric compound is represented by the following formula (I): ##STR1## wherein R.sub.1 is hydrogen or an alkyl group having 1 to 4 carbon atoms, each of R.sub.2 and R.sub.3 is independently hydrogen or an alkyl group having 1 to 12 carbon atoms, M is a metal atom of an element selected from the group consisting of Group III, IV, XIII and XIV elements of the Periodic Table, and X is --OH when M is a metal atom of an element of Group III or XIII of the Periodic Table or X is .dbd.O or (--OH).sub.2 when M is a metal atom of an element of Group IV or XIV of the Periodic Table, and the lithium aluminum compound is represented by the following formula (II): �Al.sub.2 Li(OH).sub.6 !.sub.n Y.mH.sub.2 O (II) wherein Y is an inorganic or organic anion, n is a charge of Y and m is a number of 3 or less.
    • 一种聚丙烯树脂组合物,其包含(a)100重量份的通过13 C-NMR测定的全同立构五单元组分数为96%以上的丙烯聚合物,(b)0.01-5重量份所选择的至少一种碱金属盐 由碱式羧酸盐,碱式β-二酮酸盐和β-乙酸乙酯的碱性盐组成的组中,(c)0.01-5重量份的有机磷化合物,和(d)0.01-0.5重量份的锂铝化合物。 有机磷化合物由下式(I)表示:其中R 1是氢或具有1至4个碳原子的烷基,其中R 2和R 3各自独立地是氢或具有1至12个碳原子的烷基 碳原子,M是选自周期表第III,IV,XIII和XⅣ族元素的元素的金属原子,当M是第III或XIII族元素的金属原子时,X是-OH 的周期表,或者当M是元素周期表第IV族或第XIV族元素的金属原子时,X =(O)或(-OH)2,并且锂铝化合物由下式(II)表示: Al 2 Li(OH)6] n Y.mH 2 O(II)其中Y是无机或有机阴离子,n是Y的电荷,m是3以下的数。