Patent application number | Description | Published |
20080207835 | Heterophasic Polymer Composition and Process for its Preparation - The invention relates to a heterophasic alpha-olefÊn random copolymer composition with a melting temperature (Tm) of at least 130° C. and a flexural modulus of not higher than 1000 MPa5 whereby the inventive composition comprises an al-pha-olefin random copolymer component (A) of at least two alpha-olefÊn (co)polymer fractions (i) and (ii) having a different comonomer content, whereby at least one of the fractions is an alpha-olefÊn random copolymer, and a rubber component (B). | 08-28-2008 |
20100016510 | HIGH MELT FLOW HETEROPHASIC POLYPROPYLENE COPOLYMERS - The present invention relates to a heterophasic polypropylene composition with a high melt flow rate for processability, a good stiffness and an improved compression performance. These compositions may be employed for the production of moulded articles, in particular injection moulded articles such as thin-walled plastic cups. Furthermore, the invention relates to a process for preparing the inventive polymer compositions. | 01-21-2010 |
20100255236 | BETA-NUCLEATED PROPYLENE COPOLYMER - Heterophasic propylene copolymer (HECO) comprising wherein the heterophasic propylene copolymer (HECO) is β-nucleated and the elastomeric phase has an intrinsic viscosity measured in tetraline at 135° C. of equal or below 4.0 dl/g. | 10-07-2010 |
20100267877 | HIGH MELT FLOW POLYMER OF IMPROVED DURABILITY FOR PIPE APPLICATIONS - The present invention relates to a polymer composition, comprising
| 10-21-2010 |
20100272939 | POLYOLEFIN COMPOSITIONS HAVING IMPROVED OPTICAL AND MECHANICAL PROPERTIES - Novel polyolefin compositions comprising (A) a first propylene-ethylene random copolymer and (B) a second propylene-ethylene random copolymer, wherein the polyolefin composition has an ethylene content CM | 10-28-2010 |
20100285251 | BETA-NUCLEATED POLYPROPYLENE COMPOSITION - Polypropylene composition comprising a propylene homopolymer (A) and a random propylene-butene copolymer (B) or a random propylene-ethylene copolymer (B′) wherein the polypropylene composition is β-nucleated. | 11-11-2010 |
20100317803 | Polypropylene Composition Comprising a Propylene Copolymer Component - The present invention concerns a polypropylene composition comprising a nucleated propylene copolymer having improved optical properties. | 12-16-2010 |
20110123745 | Pressureless Polymer Pipe, A Compositon Therefore, And A Process For Preparing It - A pressureless polymer pipe, a composition therefore, and a process of preparing the composition are described. The pipe is characterised in that the polymer comprises a propylene polymer composition where the propylene base polymer is a heterophasic propylene copolymer having a matrix of a propylene homopolymer and a dispersed phase of an elastomeric copolymer of propylene and at least one olefin comonomer; has a comonomer content of 2-7% by weight, based on the weight of the heterophasic propylene copolymer; has a melt flow rate MFR (2/230), determined according to ISO 1133 C4, of 0.1-2.0 g/10 min; has a broad molecular weight distribution as defined by its rheology shear thinning index, SHI | 05-26-2011 |
20110151161 | HETEROPHASIC POLYMER COMPOSITION OF HIGH STIFFNESS - The present invention relates to a heterophasic polymer composition which comprises (i) a matrix comprising a propylene homopolymer and/or a propylene copolymer having an amount of comonomer units of less than 1.0 wt %, and (ii) an elastomeric polypropylene which is dispersed within the matrix and comprises comonomer units derived from ethylene and/or a C4 to C12 alpha-olefin; and wherein the heterophasic polymer composition has an amorphous fraction AM in an amount of 2.0 to 7.5 wt %, and the amorphous fraction AM has an amount of ethylene- and/or C4 to C12 alpha-olefin-derived comonomer units of 20 to 45 wt %. | 06-23-2011 |
20110224387 | PREPARATION OF PROPYLENE COPOLYMER WITH DYNAMICALLY OPERATED REACTOR - The present invention relates to a process for the preparation of a propylene copolymer P1 having ethylene-derived comonomer units, which comprises the following steps: (i) introducing propylene, ethylene, and hydrogen into a polymerisation reactor R1, wherein the ethylene is fed to the polymerisation reactor R1 in a periodically varying amount, (ii) preparing the propylene copolymer in the polymerisation reactor R1 in the presence of a catalyst. | 09-15-2011 |
20110229670 | PROPYLENE COMPOSITION WITH HIGH STIFFNESS AND IMPACT STRENGTH - The present invention is directed to a polypropylene composition comprising
| 09-22-2011 |
20110288213 | MULTIMODAL POLYMER OF PROPYLENE, COMPOSITION CONTAINING THE SAME AND A PROCESS FOR MANUFACTURING THE SAME - The present invention aims to provide a multimodal polymer of propylene comprising a matrix of semicrystalline polymer and a rubber (D) dispersed in said matrix, the multimodal polymer comprising units derived from propylene of from 85 to 99% by weight and units derived from ethylene or C | 11-24-2011 |
20120165440 | MULTIMODAL POLYMER OF PROPYLENE, COMPOSITION CONTAINING THE SAME AND A PROCESS FOR MANUFACTURING THE SAME - The present invention aims to provide a multimodal polymer of propylene comprising a matrix of semicrystalline polymer and a rubber (D) dispersed in said matrix, the multimodal polymer comprising units derived from propylene of from 85 to 99% by weight and units derived from ethylene or C | 06-28-2012 |
20120190784 | HETEROPHASIC POLYPROPYLENE COPOLYMER COMPOSITION - Heterophasic polypropylene composition comprising (A) 45 to 70 wt % of a propylene homo- or copolymer matrix with an MFR | 07-26-2012 |
20130005902 | HETEROPHASIC POLYPROPYLENE WITH IMPROVED BALANCE BETWEEN STIFFNESS AND TRANSPARENCY - The present invention relates to a heterophasic polypropylene composition with rather high melt flow rate, high stiffness, acceptable impact properties and an advantageous balance between stiffness and transparency. Still further, the present invention is also directed to a process for producing the inventive polypropylene composition, to an article made of the inventive polypropylene composition and to the use of the inventive polypropylene composition for the production of films and moulded articles, such as thin-walled plastic containers for packaging. The inventive heterophasic polypropylene composition comprises at least a propylene homopolymer fraction, a propylene random copolymer fraction, two different ethylene-propylene rubber fractions and an ethylene homo- or copolymer fraction. | 01-03-2013 |
20130309431 | HETEROPHASIC POLYPROPYLENE WITH EXCELLENT CREEP PERFORMANCE - Heterophasic propylene copolymer comprising (a) a matrix (M) being a polypropylene (PP), said polypropylene (PP) has a polydispersity index (PI) of at least 5.0, and (b) an elastomeric propylene copolymer (EC) dispersed in said matrix (M), wherein (i) said heterophasic propylene copolymer has a melt flow rate MFR | 11-21-2013 |
20130317160 | HETEROPHASIC POLYPROPYLENE COPOLYMER COMPOSITION - Heterophasic polypropylene composition comprising
| 11-28-2013 |
20140128549 | IN-SITU REACTOR BLEND OF A ZIEGLER-NATTA CATALYSED, NUCLEATED POLYPROPYLENE AND A METALLOCENE CATALYSED POLYPROPYLENE - Propylene homo- or copolymer composition comprising an in-situ reactor blend of a Ziegler-Natta catalysed, nucleated polypropylene (znPP) and a metallocene catalysed polypropylene (mcPP), in a weight ratio in the range of 6:94 to 50:50 (wt % znPP:wt % mcPP), preferably in the range of 10:90 to 44:56 (wt % znPP:wt % mcPP), having an excellent balance between optical properties, mechanical properties, thermal properties and processing properties; a process for its production and the use of a mixture of a Ziegler-Natta catalyst system and a metallocene catalyst system. | 05-08-2014 |
20140220236 | PROCESS FOR THE MANUFACTURE OF A CAPACITOR FILM - Process for producing of a capacitor film comprising the steps of (a) polymerizing propylene in the presence of a catalyst comprising a solid catalyst system obtaining a polypropylene, (b) subjecting said polypropylene to a film forming process obtaining a capacitor film, wherein during the polymerization step (a) said catalyst comprising the solid catalyst system fragments into nanosized catalyst fragments being distributed in said polypropylene, said solid catalyst system comprises a transition metal, a metal which is selected from one of the groups 1 to 3 of the periodic table (IUPAC), and an internal electron donor. | 08-07-2014 |