WO2015005556A1 - 2종 이상의 수지, 유리장섬유를 포함하는 조성물 - Google Patents
2종 이상의 수지, 유리장섬유를 포함하는 조성물 Download PDFInfo
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- WO2015005556A1 WO2015005556A1 PCT/KR2014/000907 KR2014000907W WO2015005556A1 WO 2015005556 A1 WO2015005556 A1 WO 2015005556A1 KR 2014000907 W KR2014000907 W KR 2014000907W WO 2015005556 A1 WO2015005556 A1 WO 2015005556A1
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
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- C08L23/10—Homopolymers or copolymers of propene
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- C08J2321/00—Characterised by the use of unspecified rubbers
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- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
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- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
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- C08L2555/00—Characteristics of bituminous mixtures
- C08L2555/30—Environmental or health characteristics, e.g. energy consumption, recycling or safety issues
- C08L2555/34—Recycled or waste materials, e.g. reclaimed bitumen, asphalt, roads or pathways, recycled roof coverings or shingles, recycled aggregate, recycled tires, crumb rubber, glass or cullet, fly or fuel ash, or slag
Definitions
- the present invention relates to a composition comprising two or more kinds of resins and glass filaments, and more particularly, impact resistance by glass filaments for plastic products by using glass filaments in waste resins having low impact resistance and bending characteristics when mixed.
- the present invention relates to a composition comprising two or more kinds of resins and glass filaments capable of simultaneously improving the performance and bending characteristics.
- Waste resins can be used as recycled raw materials, so they are collected separately, crushed, melted and provided for reuse. However, since the physical properties of these waste resins are very different depending on the type of polymer, various kinds of waste resins must be accurately separated according to the type of waste resin for recycling.
- the waste resin is separated using a difference in specific gravity, but the problem is that polyethylene (PE) and polypropylene (PP) having a lower specific gravity than water are difficult to separate in this manner.
- PE polyethylene
- PP polypropylene
- Utility Model Application No. 20-2001-24176 discloses a technique for manufacturing a pallet using recycled plastic to achieve cost reduction.
- the recycled pallet of the cited invention is produced by pulverizing the waste resin material into a pallet shape. In this case, due to the compatibility and affinity between different waste resin materials, there is a problem that the impact resistance is inferior.
- the problem to be solved by the present invention is to provide a composition comprising two kinds of waste resin, improved plastic properties, such as impact resistance, flexural strength, and a plastic product using the same.
- the present invention is a composition comprising two or more resins and glass filaments, a mixed resin consisting of two or more unit resins; Glass filaments having a length of 10 mm or more; And a rubber resin, wherein the glass fiber is 3 to 30 parts by weight and the rubber resin is 10 to 50 parts by weight based on 100 parts by weight of the mixed resin.
- the composition further comprises 10 to 35 parts by weight of LDPE, the LDPE is contained in the rubber-based resin of the pellet form, it is incorporated into the composition.
- the mixed resin is made of waste polyethylene (PE) and waste polypropylene (PP).
- the present invention also provides a plastic article comprising the composition described above.
- the present invention also provides a method for producing a plastic using the composition described above, comprising the steps of preparing a composition as described above by mixing a mixed resin, glass fiber and rubber resin; Melting the mixed composition; And molding the molten composition to produce a plastic product, wherein the product is a pallet or box.
- the prepared composition may be a mixture of LDPE contained in the rubber resin of the pellet form in the mixed resin.
- the present invention by combining the two or more resins with the glass long fibers using glass long fibers, which are glass fibers of a predetermined length or more, in two or more waste resins, improve physical affinity and warpage characteristics between the unit resins, Resin and the like greatly improve the impact resistance and compatibility. Furthermore, by using a rubber resin to which the LDPE is added, the degree of dispersion of the glass fiber in the waste resin is improved, thereby maximizing the strength strengthening effect of the glass fiber. In addition, the rubber-based resin to which the LDPE is added in pellet form is mixed with two or more kinds of waste resins and molded to solve the problem that the rubber-based resin moves to the plastic surface and precipitates.
- FIGS. 3 and 4 are SEM pictures after the molding of the composition using the rubber resin only
- FIGS. 5 and 6 are SEM pictures after the molding of the composition using the rubber resin containing LDPE.
- FIG. 7 is a step diagram of a pallet manufacturing method according to an embodiment of the present invention.
- This invention provides the composition which mixed the glass fiber which is glass fiber of a predetermined length (10 mm or more) with 2 or more types of waste resin mixture materials in order to solve the above-mentioned problem.
- the unit resins of the two or more waste resins were polyethylene (PE) and polypropylene (PP) having a specific gravity lower than that of water, and the two kinds of resins were waste resins discarded after use.
- the present invention uses two or more waste resins having different structures, physical properties and molecular weights together, but also suffers from a decrease in compatibility caused by the simultaneous use of two or more waste resins, namely, brittleness, impact resistance, Problems such as weakening of flexural strength were solved by using a glass fiber and a rubber-based resin having a specific length or more.
- the composition according to an embodiment of the present invention is a composition for producing a plastic molded article such as a pallet, etc., a mixed resin consisting of two or more unit resins, glass long fibers of 10mm or more in length; And rubber-based resins.
- the mixed resin is composed of waste polyethylene (PE) and unit resin of waste polypropylene (PP), and the molecular weight of the unit resin depends on the molecular weight of general PE and PP which are commonly used.
- the unit resin of the mixed resin has a specific gravity of less than 1, a conventional waste resin separation method using a specific gravity difference with water, it is difficult to separate the resin of PE and PP.
- the compatibility between the resin and the chemical bonding strength is lowered, as a result, there is a problem that the molded article made of the mixed resin is easily broken by the impact applied to the outside.
- the glass filaments of a certain length are physically mixed before melting and then melted, so that the glass filaments function as a kind of main chain to which the unit resin of the mixed resin is bonded.
- different types of unit resins are combined with glass filaments, and the glass filaments function as a linkage connecting two types of unit resins.
- the inventors of the present invention have different effects depending on the length of glass filaments connecting different types of waste resins, and also, when rubber-based resins such as SBR, EPDM, SEBS, and SBS are used, the bending strength is maintained. It was noted that the impact resistance property can be greatly improved.
- glass fibers having an average diameter of 6 to 15 ⁇ m are called glass filaments, and glass fibers having 2 to 9 ⁇ m are called short glass fibers.
- Glass filament is drawn by winding molten glass at high speed, and currently used commercially is more than 10mm, short glass fiber is used in the form of less than 1mm.
- the glass fiber having a length of 10 mm or more is 3 to 30 parts by weight based on 100 parts by weight of the mixed resin, and the rubber resin is 10 to 50 parts by weight.
- the glass filaments are mixed below the above range, the effective length of the glass filaments connecting the unit resins is reduced, and thus the affinity improvement effect is lowered because they are not sufficiently chemically combined with the unit resins.
- the mixing ratio of the resin to form a too low moldability and becomes overweight is a disadvantage in that the mixing ratio of the resin to form a too low moldability and becomes overweight.
- Another embodiment of the present invention provides a composition in which two or more types of waste resin mixture materials are mixed with a glass fiber having a predetermined length (10 mm or more) and a glass resin having LDPE added thereto.
- the composition according to an embodiment of the present invention is a composition for producing a plastic molded article such as a pallet, etc., a mixed resin consisting of two or more unit resins, glass long fibers of 10mm or more in length; And a rubber resin containing LDPE (density: 0.915 to 0.925 g / cm3, weight average molecular weight: 1 million or more).
- LDPE density: 0.915 to 0.925 g / cm3, weight average molecular weight: 1 million or more.
- the present inventors solve the problem that when the long glass fiber is mixed with the molten resin, the dispersion degree of the long glass fiber is low, and thus it is difficult to achieve uniform strength of the plastic product. And mixed with a mixed resin composed of two or more waste resins.
- LDPE mixed with the rubber-based resin improves the dispersion of glass filaments and, as a result, the strength of the finally obtained plastic product.
- the effect of improving the glass fiber dispersion degree by using the LDPE-containing rubber-based resin is described in more detail in the following experimental example.
- the mixed resin is composed of waste polyethylene (PE) and a unit resin of waste polypropylene (PP) as described above, which is generated when a mixed waste resin having a similar specific gravity is used.
- PE waste polyethylene
- PP waste polypropylene
- the problem is as described above.
- the effect of using the glass filament is also as described above, so the description thereof will be omitted.
- LDPE is contained in a rubber-based resin such as to provide a structural example in which the degree of dispersion of glass filaments is improved and the strength is greatly improved.
- the glass filament having a length of 10 mm or more is 3 to 30 parts by weight based on 100 parts by weight of the mixed resin, 15 to 50 parts by weight of an LDPE-containing rubber resin, and 5 to 15 parts by weight of a rubber resin; And LDPE 10 to 35 parts by weight. If the LDPE is less than the above range, the degree of dispersion of the glass filament is lowered, and a nonuniformity of strength may occur. In addition, when the glass filaments are mixed below the above range, the effective length of the glass filaments connecting between the unit resins is reduced, and thus, the affinity improvement effect is lowered because it is not sufficiently chemically combined with the unit resins.
- glass fibers having an average diameter of 6 to 15 ⁇ m are called glass filaments, and glass fibers having 2 to 9 ⁇ m are called short glass fibers.
- Glass filament is drawn by winding molten glass at high speed, and currently used commercially is more than 10mm, short glass fiber is used in the form of less than 1mm.
- the LDPE-containing rubber-based resin was mixed with a mixed resin and glass filament in a pellet form to melt.
- the inventors have found a surprising fact that when the rubber resin containing LDPE is used, the degree of dispersion in the mixed resin of the glass fiber is greatly improved.
- FIGS. 3 and 4 are SEM pictures after the molding of the composition using the rubber-based resin only
- FIGS. 5 and 6 are SEM pictures after the molding of the composition using the rubber-based resin containing LDPE.
- the glass filaments added together with the LDPE-containing rubber resin in the molten state are uniformly dispersed in the resin, thereby producing an effect of improving both impact and bending strength.
- Table 1 below shows the results of measuring impact strength and flexural strength when LDPE is added and when rubber resin and glass filament are used without LDPE.
- the glass filament was 15 parts by weight based on 100 parts by weight of the mixed resin (polypropylene and polyethylene) and 10 parts by weight of the rubber resin.
- LDPE was also used 10 parts by weight.
- the present invention provides a plastic product having improved strength, flexural strength and the like by using the composition having the above-described effect.
- the compositions according to the invention can be used in various forms of products that have to withstand a certain load, for example by loading cargo such as pallets, crates, boxes, all of which are within the scope of the invention.
- Figure 7 is a step diagram of a plastic product manufacturing method according to an embodiment of the present invention.
- the above-described composition is prepared by mixing the above-described mixed resin, long glass fiber, LDPE, and rubber-based resin.
- the LPPE is contained in the rubber resin of the pellet form, it is mixed in the mixed resin, the dispersion degree of the glass filament is greatly improved as described above using the LDPE.
- a rubber-based resin in the form of pellets it is possible to solve the problem that the rubber-based resin is deposited on the surface of the plastic product.
- LDPE low density polyethylene
- LDPE low density polyethylene
- the mixed composition is melted and then the molten composition is molded to prepare a plastic product.
- the molding was injection molding, but the scope of the present invention is not limited thereto.
- the present invention improves the affinity and compatibility between unit resins by connecting glass resins having a predetermined length between waste resins having different structures and physical properties, and also uses rubber-based resins to provide impact resistance and bending characteristics. Greatly improves. Furthermore, by using a rubber resin to which LDPE is added, LDPE having excellent compatibility in PE resin in waste resin and having twigs fixes glass long fibers to improve dispersion. As a result, the strength reinforcement effect by the glass filament is maximized. In addition, the rubber-based resin to which the LDPE is added in pellet form is mixed with two or more kinds of waste resins and molded to solve the problem that the rubber-based resin moves to the plastic surface and precipitates.
- the present invention provides a composition for plastic products for use in pallets, boxes and the like, and thus industrial applicability is recognized.
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Abstract
Description
LDPE 미첨가 | LDPE 첨가 | |
충격강도 | 80 | 92 |
굴곡강도 | 33 | 32 |
Claims (7)
- 2종 이상의 수지 및 유리장섬유를 포함하는 조성물로서,2종 이상의 단위 수지로 이루어진 혼합수지;길이 10mm 이상인 유리장섬유; 및고무계 수지를 포함하며, 상기 혼합수지 100 중량부에 대하여 상기 유리장섬유는 3 내지 30 중량부, 상기 고무계수지는 10 내지 50 중량부인 것을 특징으로 하는 2종 이상의 수지 및 유리장섬유를 포함하는 조성물.
- 제 1항에 있어서, 상기 조성물은 LDPE 10 내지 35 중량부를 더 포함하는 것을 특징으로 하는 조성물.
- 제 2항에 있어서,상기 LDPE는 상기 펠렛 형태의 고무계 수지에 함유된 후, 상기 조성물에 혼입된 것을 특징으로 하는 조성물.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,상기 혼합수지는 폐 폴리에틸렌(PE)과, 폐 폴리프로필렌(PP)로 이루어진 것을 특징으로 하는 2종 이상의 수지 및 유리장섬유를 포함하는 조성물.
- 제 1항 내지 제 3항 중 어느 한 항에 따른 조성물을 포함하는 플라스틱 제품.
- 제 1항 내지 제 3항 중 어느 한 항에 따른 조성물을 이용한 플라스틱 제품 제조방법으로,제 1항 또는 제 3항 중 어느 한 항에 따른 조성물을 제조하는 단계;상기 혼합된 조성물을 용융시키는 단계; 및상기 용융된 조성물을 성형시켜, 플라스틱 제품을 제조하는 단계를 포함하는 것을 특징으로 하는, 플라스틱 제품 제조방법.
- 제 6항에 있어서,상기 제조된 조성물은 펠렛 형태의 고무계 수지에 함유된 LDPE가 상기 혼합수지에 혼합되는 것을 특징으로 하는 플라스틱 제품 제조방법.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/382,714 US10066092B2 (en) | 2013-07-12 | 2014-02-03 | Composition comprising at least two kinds of resin and glass fiber, and pallet manufactured from the same |
CN201480000837.4A CN104540892B (zh) | 2013-07-12 | 2014-02-03 | 包含2种以上的树脂、玻璃长纤维的组合物 |
DK14755961.1T DK2845876T3 (en) | 2013-07-12 | 2014-02-03 | COMPOSITION comprising two or more types of resins and long glass fibers |
EP14755961.1A EP2845876B1 (en) | 2013-07-12 | 2014-02-03 | Composition comprising two or more kinds of resins and glass long-fibers |
PL14755961T PL2845876T3 (pl) | 2013-07-12 | 2014-02-03 | Kompozycja zawierająca dwie lub więcej rodzajów żywic i długich włókien szklanych |
ES14755961.1T ES2683152T3 (es) | 2013-07-12 | 2014-02-03 | Composición que contiene dos o más tipos de resinas y fibras de vidrio largas |
JP2015526485A JP5938527B2 (ja) | 2013-07-12 | 2014-02-03 | 2種以上の樹脂及びガラス長繊維を含む組成物 |
PH12014502517A PH12014502517A1 (en) | 2013-07-12 | 2014-11-11 | Composition comprising at least two kinds of resin, glass fiber |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2013-0082279 | 2013-07-12 | ||
KR1020130082279A KR101353815B1 (ko) | 2013-07-12 | 2013-07-12 | 2종 이상의 수지 및 유리장섬유를 포함하는 조성물 및 이로부터 제조된 파렛트 |
KR1020140011170A KR101432008B1 (ko) | 2014-01-29 | 2014-01-29 | 2종 이상의 수지, 유리장섬유, ldpe 및 고무계수지를 포함하는 조성물 |
KR10-2014-0011170 | 2014-01-29 |
Publications (1)
Publication Number | Publication Date |
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WO2015005556A1 true WO2015005556A1 (ko) | 2015-01-15 |
Family
ID=52280204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2014/000907 WO2015005556A1 (ko) | 2013-07-12 | 2014-02-03 | 2종 이상의 수지, 유리장섬유를 포함하는 조성물 |
Country Status (11)
Country | Link |
---|---|
US (1) | US10066092B2 (ko) |
EP (1) | EP2845876B1 (ko) |
JP (1) | JP5938527B2 (ko) |
CN (1) | CN104540892B (ko) |
DK (1) | DK2845876T3 (ko) |
ES (1) | ES2683152T3 (ko) |
HU (1) | HUE039074T2 (ko) |
PH (1) | PH12014502517A1 (ko) |
PL (1) | PL2845876T3 (ko) |
PT (1) | PT2845876T (ko) |
WO (1) | WO2015005556A1 (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105980455B (zh) * | 2014-01-29 | 2020-06-23 | 韩国托盘共用公司(株) | 包含两种以上的树脂、玻璃纤维的组合物 |
KR20170006683A (ko) * | 2015-07-09 | 2017-01-18 | 한국파렛트풀주식회사 | 재생재를 포함하는 2종 이상의 혼합 수지, 유리장섬유 및 올레핀계 고무수지를 포함하는 조성물 |
CN109705452A (zh) * | 2017-10-25 | 2019-05-03 | 江苏瑞凌新能源科技有限公司 | 一种环保型汽车配件塑料配方 |
CN108485162A (zh) * | 2018-03-30 | 2018-09-04 | 吕莉 | 一种车用耐老化防雾膜的制备方法 |
EP4229120A1 (en) | 2020-10-19 | 2023-08-23 | Borealis AG | Polyolefin composition comprising polypropylene homopolymer and recycled plastic material |
EP4119611A1 (en) | 2021-07-13 | 2023-01-18 | Borealis AG | Polyolefin composition comprising polypropylene homopolymer and recycled plastic material |
EP4194502A1 (en) | 2021-12-13 | 2023-06-14 | Borealis AG | Polyolefin composition comprising polypropylene homopolymer and recycled plastic material |
EP4345135A1 (en) | 2022-09-30 | 2024-04-03 | Borealis AG | Polyolefin composition comprising polypropylene homopolymer, polypropylene block copolymer and recycled plastic material |
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2014
- 2014-02-03 HU HUE14755961A patent/HUE039074T2/hu unknown
- 2014-02-03 PT PT14755961T patent/PT2845876T/pt unknown
- 2014-02-03 DK DK14755961.1T patent/DK2845876T3/en active
- 2014-02-03 US US14/382,714 patent/US10066092B2/en not_active Expired - Fee Related
- 2014-02-03 JP JP2015526485A patent/JP5938527B2/ja not_active Expired - Fee Related
- 2014-02-03 PL PL14755961T patent/PL2845876T3/pl unknown
- 2014-02-03 WO PCT/KR2014/000907 patent/WO2015005556A1/ko active Application Filing
- 2014-02-03 EP EP14755961.1A patent/EP2845876B1/en active Active
- 2014-02-03 CN CN201480000837.4A patent/CN104540892B/zh not_active Expired - Fee Related
- 2014-02-03 ES ES14755961.1T patent/ES2683152T3/es active Active
- 2014-11-11 PH PH12014502517A patent/PH12014502517A1/en unknown
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See also references of EP2845876A4 |
Also Published As
Publication number | Publication date |
---|---|
HUE039074T2 (hu) | 2018-12-28 |
CN104540892B (zh) | 2016-05-04 |
EP2845876B1 (en) | 2018-05-09 |
PH12014502517A1 (en) | 2015-01-12 |
DK2845876T3 (en) | 2018-07-16 |
JP5938527B2 (ja) | 2016-06-22 |
CN104540892A (zh) | 2015-04-22 |
JP2015530957A (ja) | 2015-10-29 |
US10066092B2 (en) | 2018-09-04 |
EP2845876A4 (en) | 2016-08-24 |
PL2845876T3 (pl) | 2018-10-31 |
EP2845876A1 (en) | 2015-03-11 |
US20160237262A1 (en) | 2016-08-18 |
PT2845876T (pt) | 2018-10-03 |
ES2683152T3 (es) | 2018-09-25 |
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