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WO2016005301A1 - Compositions de polypropylène à charge minérale destinées à être expansées - Google Patents

Compositions de polypropylène à charge minérale destinées à être expansées Download PDF

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Publication number
WO2016005301A1
WO2016005301A1 PCT/EP2015/065285 EP2015065285W WO2016005301A1 WO 2016005301 A1 WO2016005301 A1 WO 2016005301A1 EP 2015065285 W EP2015065285 W EP 2015065285W WO 2016005301 A1 WO2016005301 A1 WO 2016005301A1
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WO
WIPO (PCT)
Prior art keywords
range
iso
mfr
mineral
propylene
Prior art date
Application number
PCT/EP2015/065285
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English (en)
Inventor
Erwin Kastner
Michael Tranninger
Cyril PRIMAT
Original Assignee
Borealis Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Borealis Ag filed Critical Borealis Ag
Publication of WO2016005301A1 publication Critical patent/WO2016005301A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • 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
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • 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
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
    • C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • 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
    • C08L23/16—Ethene-propene or ethene-propene-diene copolymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/14—Applications used for foams
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/02—Heterophasic composition
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE

Definitions

  • the first reactor (R1 ) is preferably a slurry reactor (SR) and can be any continuous or simple stirred batch tank reactor or loop reactor operating in bulk or slurry.
  • Bulk means a polymerization in a reaction medium that comprises of at least 60 % (w/w) monomer.
  • the slurry reactor (SR) is preferably a (bulk) loop reactor (LR).
  • Such gas phase reactors can be any mechanically mixed or fluid bed reactors.
  • the gas phase reactors (GPR) comprise a mechanically agitated fluid bed reactor with gas velocities of at least 0.2 m/sec.
  • the gas phase reactor is a fluidized bed type reactor preferably with a mechanical stirrer.
  • Such high melt strength polypropylenes can be prepared by subjecting a polypropylene being made in the presence of a Ziegler-Natta catalyst or a metallocene catalyst to a post reactor peroxide treatment accompanied or followed by a treatment with of at least bi- or multifunctionally unsaturated monomers.
  • component D a copolymer of ethylene and propylene or a C 4 - Oo alpha-olefin is used.
  • Suitable C 4 - Cio alpha-olefin include 1 -buten, 1 -hexene and 1 -octene, preferably butene or octene and more preferably octene.
  • the MFR 2 (ISO 1 133; 190°C; 2.16kg) of suitable copolymers is in the range of 0.5 - 50 g/10 min (PE-COPO), preferably in the range of 0.5 - 40 g/10 min and more preferably in the range of 0.5 - 35 g/min.
  • the solution polymerization process is a high temperature solution polymerization process, using a polymerization temperature of higher than 100°C.
  • the polymerization temperature is at least 1 10°, more preferably at least 150°C.
  • the polymerization temperature can be up to 250°C.
  • the high density polyethylene (HDPE) suitable for the present invention typically has a
  • the polypropylene composition according to the present invention has the following properties:
  • any physical or chemical foaming agent may be used.
  • the polypropylene composition according to the invention is especially suitable for producing automotive parts, preferably foamed automotive parts/articles, like car interiors and exteriors, like bumpers, side trims, step assists, body panels, spoilers, dashboards, interior trims and centre consoles.
  • WB140HMS high melt strength homo-polypropylene commercially available from Borealis

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Cette invention concerne une composition de polypropylène à charge minérale comprenant (A) de 15 à 70 % en poids d'un premier polypropylène hétérophasique (HECO-1) ayant un indice MFR2 (ISO 1133; 230°C; 2,16 kg) dans la plage de 10 à 50 g/10 min, (B) de 0 à 70 % en poids d'un second polypropylène hétérophasique (HECO-2) ayant un indice MFR2 (ISO 133; 230°C; 2,16 kg) dans la plage de 5 à 30 g/10 min, (C) de 10 à 30 % en poids d'un polypropylène à résistance à l'état fondu élevée (HMS-PP), (D) de 5 à 20 % en poids d'un copolymère d'éthylène et de propylène ou d'une alpha-oléfine C4-C10 ayant une densité de 0,860 à 0,910 g/cm3, (E) de 5 à 25 % en poids d'un polyéthylène haute densité (HDPE), (F) de 5 à 20 % en poids d'une charge minérale et (G) de 0 à 15 % en poids d'additifs; et son utilisation pour préparer des articles expansés, ainsi que les articles eux-mêmes.
PCT/EP2015/065285 2014-07-10 2015-07-06 Compositions de polypropylène à charge minérale destinées à être expansées WO2016005301A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14176584 2014-07-10
EP14176584.2 2014-07-10

Publications (1)

Publication Number Publication Date
WO2016005301A1 true WO2016005301A1 (fr) 2016-01-14

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3199586A1 (fr) * 2016-01-29 2017-08-02 Borealis AG Composition de polyoléfine présentant une meilleure robustesse
WO2017210081A1 (fr) * 2016-05-31 2017-12-07 Dow Global Technologies Llc Mélanges de polyoléfine thermoplastique comprenant des polymères riches en éthylène
EP3330315A1 (fr) * 2016-12-01 2018-06-06 Borealis AG Composition de polypropylène expansé
EP3333221A1 (fr) * 2016-12-09 2018-06-13 Borealis AG Compositions de polypropylène pour applications pour le moussage
CN109153751A (zh) * 2016-06-06 2019-01-04 北欧化工公司 具有改善的耐热性的聚丙烯组合物
WO2019091885A1 (fr) * 2017-11-13 2019-05-16 Basell Poliolefine Italia S.R.L. Compositions obtenues à partir de polyoléfines recyclées
EP3377575B1 (fr) 2015-11-17 2019-08-07 Borealis AG Composition de tpo à flux élevé avec une excellente résistance aux chocs à basse température
WO2019219678A1 (fr) * 2018-05-16 2019-11-21 Borealis Ag Composition de polypropylène expansé
EP3645627A1 (fr) * 2017-06-30 2020-05-06 Borealis AG Composition de polypropylène présentant un excellent aspect de surface
WO2020152315A1 (fr) * 2019-01-25 2020-07-30 Abu Dhabi Polymers Co. Ltd (Borouge) L.L.C. Composition de polypropylène moussante ayant d'excellentes performances mécaniques
US10875992B2 (en) 2016-05-31 2020-12-29 Dow Global Technologies Llc Thermoplastic polyolefin blends having improved low temperature impact performance
US10995206B2 (en) * 2015-08-10 2021-05-04 Sabic Global Technologies B.V. Composition comprising heterophasic propylene copolymer
WO2021130140A1 (fr) 2019-12-24 2021-07-01 Sabic Global Technologies B.V. Article en mousse ayant une excellente conservation de la rigidité et une qualité de surface supérieure
US11203683B2 (en) 2017-05-08 2021-12-21 Borealis Ag PP-rich material composition having high stiffness and processability
WO2022034125A1 (fr) * 2020-08-13 2022-02-17 Borealis Ag Composition de polypropylène pour automobile à faible charge contenant des produits recyclés
WO2022175447A1 (fr) 2021-02-18 2022-08-25 Sabic Global Technologies B.V. Perles expansées comprenant du polypropylène à haute résistance à l'état fondu
CN115505210A (zh) * 2022-11-08 2022-12-23 苏州旭光聚合物有限公司 一种微发泡聚丙烯复合材料及制备方法
WO2024023052A1 (fr) * 2022-07-27 2024-02-01 Borealis Ag Composition de polypropylène pour la préparation d'une mousse et mousse la comprenant
WO2024186801A1 (fr) * 2023-03-06 2024-09-12 Equistar Chemicals, Lp Compatibilisation et modification de la résistance au choc de résines post-consommation

Citations (4)

* Cited by examiner, † Cited by third party
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WO2013026864A1 (fr) * 2011-08-25 2013-02-28 Borealis Ag Composition de polypropylène faiblement chargée à profil de propriétés équilibré
WO2013041507A1 (fr) * 2011-09-21 2013-03-28 Borealis Ag Copolymère de propylène hétérophasique ayant un excellent équilibre de rigidité et de résistance aux chocs
EP2669329A1 (fr) * 2012-06-01 2013-12-04 Basell Poliolefine Italia S.r.l. Composition de polypropylène à charge minérale pour moussage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2423257A1 (fr) * 2010-08-27 2012-02-29 Borealis AG Composition de polypropylène rigide doté d'une excellente élongation à la rupture
WO2013026864A1 (fr) * 2011-08-25 2013-02-28 Borealis Ag Composition de polypropylène faiblement chargée à profil de propriétés équilibré
WO2013041507A1 (fr) * 2011-09-21 2013-03-28 Borealis Ag Copolymère de propylène hétérophasique ayant un excellent équilibre de rigidité et de résistance aux chocs
EP2669329A1 (fr) * 2012-06-01 2013-12-04 Basell Poliolefine Italia S.r.l. Composition de polypropylène à charge minérale pour moussage

Cited By (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10995206B2 (en) * 2015-08-10 2021-05-04 Sabic Global Technologies B.V. Composition comprising heterophasic propylene copolymer
EP3377575B1 (fr) 2015-11-17 2019-08-07 Borealis AG Composition de tpo à flux élevé avec une excellente résistance aux chocs à basse température
WO2017129712A3 (fr) * 2016-01-29 2017-11-09 Borealis Ag Composition de polyoléfine présentant une résistance améliorée
US10696834B2 (en) 2016-01-29 2020-06-30 Borealis Ag Polyolefin composition with improved thoughness
EP3199586A1 (fr) * 2016-01-29 2017-08-02 Borealis AG Composition de polyoléfine présentant une meilleure robustesse
WO2017210081A1 (fr) * 2016-05-31 2017-12-07 Dow Global Technologies Llc Mélanges de polyoléfine thermoplastique comprenant des polymères riches en éthylène
US10875992B2 (en) 2016-05-31 2020-12-29 Dow Global Technologies Llc Thermoplastic polyolefin blends having improved low temperature impact performance
US10870745B2 (en) 2016-05-31 2020-12-22 Dow Global Technologies Llc Thermoplastic polyolefin blends including ethylene rich polymers
CN109153751A (zh) * 2016-06-06 2019-01-04 北欧化工公司 具有改善的耐热性的聚丙烯组合物
CN109153751B (zh) * 2016-06-06 2021-08-10 北欧化工公司 具有改善的耐热性的聚丙烯组合物
US10829624B2 (en) 2016-06-06 2020-11-10 Borealis Ag Polypropylene composition with improved heat resistance
CN109983072B (zh) * 2016-12-01 2021-06-29 博里利斯股份公司 发泡聚丙烯组合物
WO2018099882A1 (fr) * 2016-12-01 2018-06-07 Borealis Ag Composition de polypropylène expansé
EA039282B1 (ru) * 2016-12-01 2021-12-28 Бореалис Аг Композиция вспененного полипропилена
EP3330315A1 (fr) * 2016-12-01 2018-06-06 Borealis AG Composition de polypropylène expansé
CN109983072A (zh) * 2016-12-01 2019-07-05 博里利斯股份公司 发泡聚丙烯组合物
US11111369B2 (en) 2016-12-01 2021-09-07 Borealis Ag Foamed polypropylene composition
KR102192282B1 (ko) * 2016-12-01 2020-12-21 보레알리스 아게 발포 폴리프로필렌 조성물
KR20190070347A (ko) * 2016-12-01 2019-06-20 보레알리스 아게 발포 폴리프로필렌 조성물
EP3333221A1 (fr) * 2016-12-09 2018-06-13 Borealis AG Compositions de polypropylène pour applications pour le moussage
EA038205B1 (ru) * 2016-12-09 2021-07-23 Бореалис Аг Полипропиленовая композиция для вспенивания
CN109983071A (zh) * 2016-12-09 2019-07-05 博里利斯股份公司 用于发泡应用的聚丙烯组合物
KR20190077520A (ko) * 2016-12-09 2019-07-03 보레알리스 아게 발포 용도의 폴리프로필렌 조성물
JP2020513429A (ja) * 2016-12-09 2020-05-14 ボレアリス エージー 発泡用途のためのポリプロピレン組成物
CN109983071B (zh) * 2016-12-09 2021-10-22 博里利斯股份公司 用于发泡应用的聚丙烯组合物
WO2018104524A1 (fr) * 2016-12-09 2018-06-14 Borealis Ag Composition à base de polypropylène pour applications de moussage
KR102197162B1 (ko) 2016-12-09 2021-01-04 보레알리스 아게 발포 용도의 폴리프로필렌 조성물
US10920057B2 (en) 2016-12-09 2021-02-16 Borealis Ag Polypropylene composition for foaming applications
US11203683B2 (en) 2017-05-08 2021-12-21 Borealis Ag PP-rich material composition having high stiffness and processability
EP3622017B1 (fr) 2017-05-08 2023-01-25 Borealis AG Composition de matériau riche en pp présentant une rigidité et une aptitude au traitement élevées
EP3645627A1 (fr) * 2017-06-30 2020-05-06 Borealis AG Composition de polypropylène présentant un excellent aspect de surface
CN111278906A (zh) * 2017-11-13 2020-06-12 巴塞尔聚烯烃意大利有限公司 由回收的聚烯烃获得的组合物
US11174379B2 (en) 2017-11-13 2021-11-16 Basell Poliolefine Italia S.R.L. Compositions obtained from recycled polyolefins
WO2019091885A1 (fr) * 2017-11-13 2019-05-16 Basell Poliolefine Italia S.R.L. Compositions obtenues à partir de polyoléfines recyclées
CN111278906B (zh) * 2017-11-13 2021-04-06 巴塞尔聚烯烃意大利有限公司 由回收的聚烯烃获得的组合物
CN110498973B (zh) * 2018-05-16 2023-09-01 北欧化工公司 发泡聚丙烯组合物
US11945926B2 (en) 2018-05-16 2024-04-02 Abu Dhabi Polymers Co. Ltd (Borouge) Llc. Foamed polypropylene composition
RU2764765C1 (ru) * 2018-05-16 2022-01-21 Бореалис Аг Композиция вспененного полипропилена
CN112384555A (zh) * 2018-05-16 2021-02-19 北欧化工公司 发泡聚丙烯组合物
WO2019219678A1 (fr) * 2018-05-16 2019-11-21 Borealis Ag Composition de polypropylène expansé
AU2019269053B2 (en) * 2018-05-16 2021-12-16 Abu Dhabi Polymers Company (Borouge) L.L.C. Foamed polypropylene composition
CN110498973A (zh) * 2018-05-16 2019-11-26 北欧化工公司 发泡聚丙烯组合物
CN113348206A (zh) * 2019-01-25 2021-09-03 阿布扎比聚合物有限公司(博禄) 具有优异力学性能的可发泡的聚丙烯组合物
KR102618908B1 (ko) 2019-01-25 2023-12-27 아부 다비 폴리머스 씨오. 엘티디 (보르쥬) 엘엘씨. 우수한 기계적 성능을 갖는 발포성 폴리프로필렌 조성물
KR20210117321A (ko) * 2019-01-25 2021-09-28 아부 다비 폴리머스 씨오. 엘티디 (보르쥬) 엘엘씨. 우수한 기계적 성능을 갖는 발포성 폴리프로필렌 조성물
CN113330065A (zh) * 2019-01-25 2021-08-31 阿布扎比聚合物有限公司(博禄) 具有优异力学性能的可发泡的聚丙烯组合物
WO2020152315A1 (fr) * 2019-01-25 2020-07-30 Abu Dhabi Polymers Co. Ltd (Borouge) L.L.C. Composition de polypropylène moussante ayant d'excellentes performances mécaniques
KR102689738B1 (ko) 2019-01-25 2024-07-30 아부 다비 폴리머스 씨오. 엘티디 (보르쥬) 엘엘씨. 우수한 기계적 성능을 갖는 발포성 폴리프로필렌 조성물
CN113330065B (zh) * 2019-01-25 2024-06-21 阿布扎比聚合物有限公司(博禄) 具有优异力学性能的可发泡的聚丙烯组合物
WO2020152312A1 (fr) * 2019-01-25 2020-07-30 Abu Dhabi Polymers Co. Ltd (Borouge) L.L.C. Composition de polypropylène expansible ayant d'excellentes performances mécaniques
KR20210117322A (ko) * 2019-01-25 2021-09-28 아부 다비 폴리머스 씨오. 엘티디 (보르쥬) 엘엘씨. 우수한 기계적 성능을 갖는 발포성 폴리프로필렌 조성물
CN113348206B (zh) * 2019-01-25 2023-10-27 阿布扎比聚合物有限公司(博禄) 具有优异力学性能的可发泡的聚丙烯组合物
WO2021130139A1 (fr) 2019-12-24 2021-07-01 Sabic Global Technologies B.V. Article en mousse ayant une excellente conservation de la rigidité et une qualité de surface supérieure
WO2021130140A1 (fr) 2019-12-24 2021-07-01 Sabic Global Technologies B.V. Article en mousse ayant une excellente conservation de la rigidité et une qualité de surface supérieure
CN116113666A (zh) * 2020-08-13 2023-05-12 北欧化工公司 含有回收物的低填充机动车聚丙烯组合物
US12006425B2 (en) 2020-08-13 2024-06-11 Borealis Ag Low filled automotive polypropylene composition containing recyclates
WO2022034125A1 (fr) * 2020-08-13 2022-02-17 Borealis Ag Composition de polypropylène pour automobile à faible charge contenant des produits recyclés
CN116113666B (zh) * 2020-08-13 2024-10-22 北欧化工公司 含有回收物的低填充机动车聚丙烯组合物
WO2022175447A1 (fr) 2021-02-18 2022-08-25 Sabic Global Technologies B.V. Perles expansées comprenant du polypropylène à haute résistance à l'état fondu
WO2024023052A1 (fr) * 2022-07-27 2024-02-01 Borealis Ag Composition de polypropylène pour la préparation d'une mousse et mousse la comprenant
CN115505210A (zh) * 2022-11-08 2022-12-23 苏州旭光聚合物有限公司 一种微发泡聚丙烯复合材料及制备方法
WO2024186801A1 (fr) * 2023-03-06 2024-09-12 Equistar Chemicals, Lp Compatibilisation et modification de la résistance au choc de résines post-consommation

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