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    • 91. 发明授权
    • Soft heterogeneous isotactic polypropylene compositions
    • 软异相全同立构聚丙烯组合物
    • US08263707B2
    • 2012-09-11
    • US12080495
    • 2008-04-03
    • Sudhin DattaCharles L. SimsPeijun JiangAbdelhadi SahnouneDerek W. Thurman
    • Sudhin DattaCharles L. SimsPeijun JiangAbdelhadi SahnouneDerek W. Thurman
    • C08L23/00C08L23/10C08K5/00
    • C08L23/10C08L23/16C08L2205/02C08L2205/03C08L2666/02
    • The present invention also discloses a heterogeneous blend composition comprising; a) from 1% to 99% by weight of the blend of a first polymer component comprising a copolymer of 5% to 35% by weight of the first polymer component consisting predominantly of alpha olefin derived units and 65% to 95% by weight of the first polymer component of propylene derived units having a crystallinity of 0.1% to about 25% from isotactic polypropylene sequences, a melting point of from 45° C. to 105° C., and wherein the Melt Flow Rate (MFR@230° C.) of the first polymer component is between 300 g/10 min to 5000 g/10 min b) from 1% to 99% by weight of the blend of a second polymer component comprising isotactic polypropylene and random copolymers of isotactic propylene, wherein the percentage of the copolymerized alpha-olefin in the copolymer is between 0.0% and 9% by weight of the second polymer component and wherein the second polymer component has a melting point greater than about 110° C., wherein the first polymer component has less than 1000 ppm of reaction products arising from the chemical reaction of a molecular degradation agent.
    • 本发明还公开了一种非均相共混组合物,其包含: a)1重量%至99重量%的第一聚合物组分的共混物,其包含5重量%至35重量%的主要由α-烯烃衍生单元组成的第一聚合物组分和65重量%至95重量% 来自全同立构聚丙烯序列的结晶度为0.1%至约25%的丙烯衍生单元的第一聚合物组分,熔点为45℃至105℃,并且其中熔体流动速率(MFR @ 230℃ 第一聚合物组分的重量比在300g / 10min至5000g / 10min之间b)1重量%至99重量%的包含全同立构聚丙烯的第二聚合物组分和全同立构丙烯的无规共聚物的共混物,其中 共聚物中的共聚α-烯烃的百分比为第二聚合物组分的0.0%至9%,其中第二聚合物组分的熔点大于约110℃,其中第一聚合物组分的含量小于 产生1000ppm的反应产物 来自分子降解剂的化学反应。
    • 92. 发明授权
    • Additives for halopolymers
    • 卤代烃添加剂
    • US08217119B2
    • 2012-07-10
    • US12516086
    • 2007-11-26
    • Julio A. AbuslemeMarco AvataneoGiancarlo Perfetti
    • Julio A. AbuslemeMarco AvataneoGiancarlo Perfetti
    • C08L27/00C08L23/00
    • C08L23/0892C08L23/00C08L27/00C08L51/08C08L53/00C08L71/02C08L2666/24C08L2666/22
    • Polymeric compositions comprising: 1) at least one thermoprocessable semicrystalline halo-polymer; 2) an additive in amounts between 0.01 and 10% by weight of 1) one or more (per)fluoropolyether polymers of formula: Q-O-[A-B]z-[A-B′]z′-A-Q′  (I) wherein: A=—(X)a—O-A′-(X′)b— wherein A′ is a perfluoropolyether chain; X, X′=—CF2—, —CF2CF2—, —CF(CF3)—; a, b=0 or 1; B derives from one or more olefins, of which at least one homopolymerizable by radical way, of formula: —[(CR1R2—CR3R4)j(CR5R6—CR7R8)j′]—  (Ia) wherein j=1-30, j′=0-29, with the proviso that 2
    • 聚合物组合物包括:1)至少一种热可加工半结晶卤代聚合物; 2)0.01重量%至10重量%的添加剂,1)一种或多种式(QO- [AB] z- [AB'] z'-AQ'(I)的(全)氟聚醚聚合物,其中:A = - (X)a-OA' - (X')b-其中A'是全氟聚醚链; X,X'= -CF 2 - , - CF 2 CF 2 - , - CF(CF 3) - ; a,b = 0或1; B衍生自一种或多种烯烃,其中至少一种可通过自由基方式可通过以下通式共聚合: - [(CR1R2-CR3R4)j(CR5R6-CR7R8)j'] - (Ia)其中j = 1-30,j' = 0-29,条件是2 <(j + j')<30; R 1 -R 8 =卤素,H,C 1 -C 6(全)卤代烷基,C 1 -C 6烷基或C 1 -C 6氧基(全)氟烷基; B'=(Ia),但R 1 -R 8中的至少一个具有与B不同的含义,并且2&nlE;(j + j')<30; z≥2; z'为0或整数; z,z'使得(I)的数均分子量在500和500,000之间; Q,Q'= C1-C3全氟烷基; C1-C6烷基; 或功能性端基。
    • 98. 发明授权
    • Heat-seal resin and package formed therefrom
    • 热封树脂和由此形成的包装
    • US08173748B1
    • 2012-05-08
    • US12972035
    • 2010-12-17
    • David John LohseThomas Tungshi SunAspy K. MehtaGabor KissRobert Patrick Reynolds, Jr.John W. ChuManika Varma-Nair
    • David John LohseThomas Tungshi SunAspy K. MehtaGabor KissRobert Patrick Reynolds, Jr.John W. ChuManika Varma-Nair
    • C08F8/00C08L23/00C08L23/04C08L23/10
    • C08L23/142C08L2205/025
    • Provided is a heat-seal resin. The resin includes 5 wt % to 95 wt % of a first copolymer and 95 wt % to 5 wt % of a second copolymer based on the total weight of the resin. The first copolymer and the second copolymer together are 90 wt % or more of the total weight of the resin. The first copolymer includes a first monomer of an alphaolefin of 2 to 4 carbon atoms and a second monomer selected from a second monomer of an alphaolefin of 2 to 8 carbon atoms. The first monomer and the second monomer of the first copolymer are different. The first copolymer has an MFR of from 5 to 1000 g/10 minutes and a Tfm of 66° C. to 80° C. The second copolymer includes a first monomer of an alphaolefin of 2 to 4 carbon atoms and a second monomer selected from a second monomer of an alphaolefin of 2 to 8 carbon atoms. The first monomer and the second monomer of the second copolymer are different. The second copolymer has an MFR of from 0.5 to 5 g/10 minutes and a Tfm of 45° C. to 66° C., wherein the first copolymer has an MFR of at least 2 g/10 minutes greater and a Tfm of at least 10° C. greater than the second copolymer. There is also a package formed partly or entirely of the resin.
    • 提供一种热封树脂。 基于树脂的总重量,树脂包含5重量%至95重量%的第一共聚物和95重量%至5重量%的第二共聚物。 第一共聚物和第二共聚物一起是树脂总重量的90重量%以上。 第一共聚物包括2至4个碳原子的α-烯烃的第一单体和选自2至8个碳原子的α-烯烃的第二单体的第二单体。 第一共聚物的第一单体和第二单体是不同的。 第一共聚物的MFR为5至1000g / 10分钟,Tfm为66℃至80℃。第二共聚物包括第一单体,其具有2至4个碳原子的α-烯烃,第二单体选自 2至8个碳原子的α-烯烃的第二单体。 第二共聚物的第一单体和第二单体是不同的。 第二共聚物的MFR为0.5〜5g / 10分钟,Tfm为45〜66℃,其中第一共聚物的MFR为2g / 10分钟以上, 比第二共聚物大至少10℃。 还有一部分或全部由树脂形成的包装。
    • 99. 发明授权
    • Sterilisable and tough impact polypropylene composition
    • 可灭菌和韧性冲击聚丙烯组合物
    • US08173747B2
    • 2012-05-08
    • US12733082
    • 2008-08-06
    • Christelle GreinTonja Schedenig
    • Christelle GreinTonja Schedenig
    • C08F8/00C08L23/00
    • C08L23/142C08J5/18C08J2323/10C08L23/0815C08L23/10C08L23/12C08L23/16C08L2666/06
    • The present invention relates to a heterophasic polypropylene composition which is sterilizable and has a high impact strength as well as improved optical properties both before and after a step of heat sterilization. Furthermore, the present invention relates to a film comprising said heterophasic polypropylene composition, and to the use of said composition for the production of a film. Finally, the present invention is directed to the use of such a film as a packaging material for medicals and/or food. The heterophasic polypropylene composition comprises a matrix resin which comprises (A) a propylene homopolymer and (B) a propylene random copolymer; and a dispersed phase which comprises (C) an ethylene-propylene rubber wherein (i) the melting point of the heterophasic polypropylene composition is at least 145° C. and (ii) the content of comonomer in the matrix resin is at least 0.5 wt % based on the entire matrix resin without any additives.
    • 本发明涉及一种多相聚丙烯组合物,其在加热灭菌步骤之前和之后均可灭菌并具有高冲击强度以及改善的光学性能。 此外,本发明涉及包含所述多相聚丙烯组合物的膜以及所述组合物用于制备膜的用途。 最后,本发明涉及使用这种薄膜作为医疗和/或食品的包装材料。 多相聚丙烯组合物包含基质树脂,其包含(A)丙烯均聚物和(B)丙烯无规共聚物; 和分散相,其包含(C)乙烯 - 丙烯橡胶,其中(i)多相聚丙烯组合物的熔点至少为145℃,和(ii)基体树脂中共聚单体的含量为至少0.5重量% 基于没有任何添加剂的整个基体树脂的%。