Moldability modifier for polypropylene resin and polypropylene resin composition containing the same
    1.
    发明授权
    Moldability modifier for polypropylene resin and polypropylene resin composition containing the same 有权
    聚丙烯树脂的模塑性改性剂和含有它的聚丙烯树脂组合物

    公开(公告)号:US07064160B2

    公开(公告)日:2006-06-20

    申请号:US10416182

    申请日:2001-11-08

    摘要: The invention provides a polypropylene based resin composition, which has good moldability on injection molding and which is excellent in its flow mark appearance as well as weld appearance on molding, and suitable for injection-molded articles such as exterior parts of automobiles, and also provides a moldability modifier used for the composition.The invention is a moldability modifier for a polypropylene based resin, which comprises at least one of a propylene homopolymer and a propylene random polymer having die swell ratio of 1.5 to 2.5 and ratio (Q value: Mw/Mn) of 7 to 13 of the weight average molecular weight (Mw) to the number average molecular weight (Mn) measured by gel permeation chromatography (GPC). The moldability modifier is mixed with a propylene-ethylene block copolymer, an ethylenic or styrenic elastomer, an inorganic filler, etc. to prepare a polypropylene based resin composition.

    摘要翻译: 本发明提供了一种聚丙烯类树脂组合物,其在注射成型时具有良好的成型性,并且其流畅痕迹外观以及成型时的焊接外观优异,并且适用于汽车外部部件等注射成型制品,并且还提供 用于组合物的成型性改性剂。 本发明是用于聚丙烯基树脂的成型性改性剂,其包含丙烯均聚物和丙烯无规聚合物中的至少一种,其具有1.5至2.5的模头膨胀比和7至13的比例(Q值:Mw / Mn) 通过凝胶渗透色谱法(GPC)测定的数均分子量(Mn)的重均分子量(Mw)。 将成型性改性剂与丙烯 - 乙烯嵌段共聚物,烯属或苯乙烯系弹性体,无机填料等混合,制备聚丙烯系树脂组合物。

    Polypropylene-based resin composition of excellent moldability and giving molded product of excellent appearance
    3.
    发明授权
    Polypropylene-based resin composition of excellent moldability and giving molded product of excellent appearance 有权
    聚丙烯系树脂组合物,成型性优异,外观美观

    公开(公告)号:US06608130B1

    公开(公告)日:2003-08-19

    申请号:US09561929

    申请日:2000-05-01

    IPC分类号: C08K334

    摘要: The present invention provides A polypropylene-based resin composition, comprising (A) 45 to 85 wt. % of a propylene/ethylene block copolymer, having a melt flow rate (MFR) of 100 g/10 min. or more for the propylene homopolymer portion and 50 to 200 g/10 min. for the total copolymer, (B) 0.5 to 20 wt. % of a propylene homopolymer having a weight-average molecular weight (Mw) of 10,000 to 110,000, (C) 5 to 35 wt. % of an ethylene/&agr;-olefin copolymer rubber and/or ethylene/&agr;-olefin/non-conjugate diene copolymer rubber, and/or hydrogenated block copolymer rubber, having an MFR of 0.1 to 20 g/10 min., and (D) 5 to 30 wt. % of talc having an average particle size of 10 &mgr;m or less, determined by the laser diffraction method.

    摘要翻译: 本发明提供一种聚丙烯类树脂组合物,其包含(A)45〜85重量% %的丙烯/乙烯嵌段共聚物,其熔体流动速率(MFR)为100g / 10分钟。 或更多的丙烯均聚物部分和50-200g / 10分钟。 对于总共聚物,(B)为0.5〜20wt。 %的重均分子量(Mw)为10,000〜110,000的丙烯均聚物,(C)5〜35重量% %的MFR为0.1〜20g / 10min的乙烯/α-烯烃共聚物橡胶和/或乙烯/α-烯烃/非共轭二烯共聚物橡胶和/或氢化嵌段共聚物橡胶,(D )5〜30重量% 通过激光衍射法测定平均粒径为10μm以下的滑石的%。

    Polypropylene Resin Composition And Process For Producing The Same
    5.
    发明申请
    Polypropylene Resin Composition And Process For Producing The Same 审中-公开
    聚丙烯树脂组合物及其制备方法

    公开(公告)号:US20070260004A1

    公开(公告)日:2007-11-08

    申请号:US11574926

    申请日:2005-09-07

    IPC分类号: C08K3/34 C08L23/10

    摘要: The invention is to provide a talc-containing polypropylene resin composition by an in-line compounding, capable of solving a drawback where a reduced compression level for avoiding white spots caused by insufficient dispersion of inorganic filler increases the amount of involved air, thus detrimentally affecting the productivity particularly in case of a large-scale kneader, and a producing method therefor; namely a polypropylene resin composition including (A) a degassed-compressed talc which has a bulk specific gravity of from 0.3 to 1.0 and a compression rate of from 3.1 to 7.0, which is obtained by degassing and compressing talc having an average particle size of from 0.1 to 12 μm and a bulk specific gravity of from 0.1 to 0.5, and which contains a component of 1,000 μm or larger, when sieved by a ro-tap method, in a content of 15 wt % or less, and (B) a polypropylene resin, and a producing method therefor.

    摘要翻译: 本发明是通过在线配混来提供含滑石的聚丙烯树脂组合物,能够解决由于无机填料的分散不足引起的避免白点的降低的压缩水平增加空气的量的缺点,因此有害的影响 特别是在大型捏合机的情况下的生产率及其制造方法; 即包含(A)脱泡压缩滑石的聚丙烯树脂组合物,其通过对平均粒径为从...的滑石进行脱气和压缩得到,其中堆积比重为0.3〜1.0,压缩比为3.1〜7.0 0.1〜12μm,体积比重为0.1〜0.5,含有15重量%以下的组分,以粗纺方法筛分时为1000μm以上的成分,(B)a 聚丙烯树脂及其制造方法。

    Moldability modifier and polypropylene resin composition using the same
    7.
    发明授权
    Moldability modifier and polypropylene resin composition using the same 有权
    成型性改性剂和使用其的聚丙烯树脂组合物

    公开(公告)号:US08211978B2

    公开(公告)日:2012-07-03

    申请号:US12294100

    申请日:2007-03-23

    摘要: A moldability modifier capable of improving molding processability, and a polypropylene resin composition using the same suitable for automobile exterior parts are provided. The invention relates to a moldability modifier comprising propylene block copolymer (A) containing from 80 to 98 wt % of a propylene homopolymer portion (A1) and from 2 to 20 wt % of a propylene/ethylene random copolymer portion (A2), wherein the MFR of (A1) is 300 g/10 min or more, the ethylene content of (A2) is from 10 to 70 wt %, the [η] of (A2) is 6.5 dl/g or more, and the MFR as a whole is 40 g/10 min or more; and propylene block copolymer (B) containing from 20 to 79 wt % of a propylene polymer portion (B1) and from 21 to 80 wt % of a propylene/ethylene random copolymer portion (B2), wherein the MFR of (B1) is 20 g/10 min or more, the ethylene content of (B2) is from 20 to 70 wt %, the [η] of (B2) is from 2.5 to 9.0 dl/g, and the MFR as a whole is from 0.1 to 50 g/10 min; and a polypropylene resin composition using the same.

    摘要翻译: 提供能够提高成型加工性的成型性改性剂和使用该成型性改性剂的适用于汽车外用部件的聚丙烯树脂组合物。 本发明涉及含有丙烯均聚物部分(A1)80〜98重量%和丙烯/乙烯无规共聚物部分(A2)2〜20重量%的丙烯嵌段共聚物(A)的成型性改性剂,其中, (A1)的MFR为300g / 10分钟以上,(A2)的乙烯含量为10〜70重量%,(A2)的[(e)]为6.5dl / g以上,MFR 整体为40g / 10min以上; 丙烯聚合物部分(B1)20〜79重量%,丙烯 - 乙烯无规共聚物部分(B2)21〜80重量%的丙烯嵌段共聚物(B),(B1)的MFR为20 g / 10分钟以上时,(B2)的乙烯含量为20〜70重量%,(B2)的乙烯含量为2.5〜9.0dl / g,MFR为0.1〜 50克/ 10分钟; 和使用其的聚丙烯树脂组合物。

    Polypropylene-based resin composition and molded article thereof
    8.
    发明授权
    Polypropylene-based resin composition and molded article thereof 有权
    聚丙烯系树脂组合物及其成型体

    公开(公告)号:US07582696B2

    公开(公告)日:2009-09-01

    申请号:US11017085

    申请日:2004-12-21

    摘要: A polypropylene-based resin composition of drastically improved dimensional stability realized by incorporating a polypropylene resin of specific structure with an inorganic filler of specific particle size, carbon fibers of specific fiber diameter and length, and, as required, an ethylene- and/or styrene-based elastomer. Another polypropylene-based resin composition of well-balanced properties of rigidity, heat-resistance, impact resistance and lightness even essentially in the absence of inorganic filler, realized by compositing a propylene/ethylene block copolymer of specific structure and well-balanced mechanical properties with an ethylene- and/or styrene-based elastomer, and carbon fibers of specific structure.

    摘要翻译: 通过将特定结构的聚丙烯树脂与特定粒径的无机填料,特定纤维直径和长度的碳纤维以及根据需要的乙烯和/或苯乙烯混合而实现的大大改进的尺寸稳定性的聚丙烯基树脂组合物 基弹性体。 通过将具有特定结构的丙烯/乙烯嵌段共聚物和良好平衡的机械性能的合成实现的另一种聚丙烯基树脂组合物,即使基本上不存在无机填料,刚性,耐热性, 乙烯和/或苯乙烯基弹性体,以及特定结构的碳纤维。

    Method for producing an optical material having a high refractive index
    9.
    发明授权
    Method for producing an optical material having a high refractive index 失效
    具有高折射率的光学材料的制造方法

    公开(公告)号:US5424339A

    公开(公告)日:1995-06-13

    申请号:US177387

    申请日:1994-01-05

    CPC分类号: C08F220/38 G02B1/041

    摘要: An optical material with a high refractive index comprising a resin which is obtainable by polymerization and curing of a composition comprising the following components (A), (B) and (C):component (A): a sulfur-containing (meth)acrylic monomer represented by the following formula [I], or a mixture of the monomer [I] and a sulfur-containing (meth)acrylic monomer represented by the following formula [II]: ##STR1## in each of which formulas, R.sup.1 represents a hydrogen atom or a methyl group, R.sup.2 and R.sup.3 independently represent a hydrocarbyl group of 1 to 12 carbon atoms, X represents a halogen atom except fluorine, and n represents 0 or an integer of 1 to 4, provided that those groups which are in plurality may be the same or different,the weight ratio of the compound [I]/the compound [II] being from 10/0 to 1/9;component (B): a hydroxy(meth)acrylic monomer represented by the following formula [III]: ##STR2## wherein R.sup.5 represents a hydrogen atom or a methyl group, R.sup.4 represents a hydrocarbyl group of 1 to 20 carbon atoms which may or may not contain an ether oxygen atom, Y represents a halogen atom except fluorine, and m represents 0 or an integer of 1 or 2, provided that those groups which are in plurality may be the same or different, and p is 1 or 2,the weight ratio of the component (A)/the component (B) being from 95/5 to 50/50; andcomponent (C): an isocyanate compound having a plurality of --NCO groups,the ratio (--NCO/--OH) of the number of --NCO group in the component (C) to the total number of --OH group in the components (A) and (B) being from 0.2 to 3.The above material for lenses has a low specific gravity and improved refractive index, transparency and impact resistance.

    摘要翻译: 具有高折射率的光学材料,其包含通过聚合和固化包含以下组分(A),(B)和(C)的组合物获得的树脂:组分(A):含硫(甲基)丙烯酸 由下式[I]表示的单体或由下式[II]表示的单体[I]和含硫(甲基)丙烯酸类单体的混合物的组合:< IMAGE> 在每个式中,R 1表示氢原子或甲基,R 2和R 3独立地表示1〜12个碳原子的烃基,X表示氟以外的卤素原子,n表示0或1〜4的整数 如果化合物[I] /化合物[II]的重量比为10/0〜1/9,则多个的那些基团可以相同或不同, 组分(B):由下式[III]表示的羟基(甲基)丙烯酸类单体:其中,R 5表示氢原子或甲基,R 4表示碳原子数1〜20的烃基, 可以含有或不含有醚氧原子,Y表示除氟以外的卤素原子,m表示0或1或2的整数,条件是这些基团可以相同或不同,p为1或 2,成分(A)/成分(B)的重量比为95/5〜50/50; 和(C)成分:具有多个-NCO基的异氰酸酯化合物,(C)成分中的-NCO基数与成分中的-OH基总数的比(-NCO / -OH) (A)和(B)为0.2至3.上述用于透镜的材料具有低比重和改善的折射率,透明度和耐冲击性。

    Polypropylene resin composition, resin molded part and production method thereof
    10.
    发明授权
    Polypropylene resin composition, resin molded part and production method thereof 有权
    聚丙烯树脂组合物,树脂成型品及其制造方法

    公开(公告)号:US08158706B2

    公开(公告)日:2012-04-17

    申请号:US13021088

    申请日:2011-02-04

    IPC分类号: C08K3/34 C08K3/40

    摘要: A polypropylene resin composition contains 2 to 15 wt % of a moldability improver (A) and 85 to 98 wt % of a polypropylene resin (B). The moldability improver (A) is formed of propylene block copolymers (A-1) and (A-2). Each of the propylene block copolymers (A-1) and (A-2) has a crystalline propylene polymer component (A-11), (A-21) and a propylene-ethylene random copolymer component (A-12), (A-22). The propylene block copolymer (A-1) is characterized in that the melt flow rate of the crystalline propylene polymer component (A-11) is high, whereas the propylene block copolymer (A-2) is characterized in that the content ratio of the propylene-ethylene random copolymer component (A-22) is high. The polypropylene resin (B) is formed of a propylene-ethylene block copolymer (B-1), at least one of an ethylene elastomer and a styrene elastomer (B-2) and an inorganic filler (B-3).

    摘要翻译: 聚丙烯树脂组合物含有2〜15重量%的成型性改进剂(A)和85〜98重量%的聚丙烯树脂(B)。 成型性改进剂(A)由丙烯嵌段共聚物(A-1)和(A-2)形成。 丙烯嵌段共聚物(A-1)和(A-2)各自具有结晶丙烯聚合物组分(A-11),(A-21)和丙烯 - 乙烯无规共聚物组分(A-12),(A -22)。 丙烯嵌段共聚物(A-1)的特征在于结晶丙烯聚合物组分(A-11)的熔体流动速率高,而丙烯嵌段共聚物(A-2)的特征在于, 丙烯 - 乙烯无规共聚物组分(A-22)高。 聚丙烯树脂(B)由丙烯 - 乙烯嵌段共聚物(B-1),乙烯弹性体和苯乙烯弹性体(B-2)和无机填料(B-3)中的至少一种形成。