BR112019002973A2 - composição de polietileno multimodal e uma película que a compreende - Google Patents
composição de polietileno multimodal e uma película que a compreendeInfo
- Publication number
- BR112019002973A2 BR112019002973A2 BR112019002973A BR112019002973A BR112019002973A2 BR 112019002973 A2 BR112019002973 A2 BR 112019002973A2 BR 112019002973 A BR112019002973 A BR 112019002973A BR 112019002973 A BR112019002973 A BR 112019002973A BR 112019002973 A2 BR112019002973 A2 BR 112019002973A2
- Authority
- BR
- Brazil
- Prior art keywords
- molecular weight
- weight
- parts
- mol
- polyethylene
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/02—Ethene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0005—Degasification of liquids with one or more auxiliary substances
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/245—Stationary reactors without moving elements inside placed in series
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/008—Details of the reactor or of the particulate material; Processes to increase or to retard the rate of reaction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/20—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium
- B01J8/22—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/01—Processes of polymerisation characterised by special features of the polymerisation apparatus used
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/18—Suspension polymerisation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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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
- C08L23/04—Homopolymers or copolymers of ethene
-
- 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
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00002—Chemical plants
- B01J2219/00027—Process aspects
- B01J2219/0004—Processes in series
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
- C08F2500/01—High molecular weight, e.g. >800,000 Da.
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
- C08F2500/05—Bimodal or multimodal molecular weight distribution
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
- C08F2500/12—Melt flow index or melt flow ratio
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
- C08F2500/16—Syndiotactic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- 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
- C08J2323/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- 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
- C08J2423/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- 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
- C08J2423/08—Copolymers of ethene
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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
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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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
- 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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- 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
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/068—Ultra high molecular weight polyethylene
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Polymerisation Methods In General (AREA)
Abstract
a presente invenção refere-se a uma composição de polietileno multimodal que compreende: (a) de 40 a 65 partes em peso, de preferência de 43 a 52 partes em peso, o mais preferível de 44 a 50 partes em pe-so, do polietileno de baixo peso molecular, o polietileno de baixo peso molecular tendo um peso molecular médio ponderado (mw) de 20.000 a 90.000 g/mol e tendo um mfra de 500 a 1.000 g/10 min de acordo com astm d 1238; (b) de 8 a 20 partes em peso, de preferência de 10 a 18 partes em peso, o mais preferível de 10 a 15 partes em peso, do primeiro polietileno de alto peso molecular tendo um peso molecular médio ponderado (mw) de mais de 150.000 a 1.000.000 g/mol ou do primeiro polietileno de peso molecular ultraelevado tendo um peso molecular médio ponderado (mw) de mais de 1.000.000 a 5.000.000 g/mol; e (c) de 30 a 50 partes em peso, de preferência de 37 a 47 partes em peso, o mais preferível de 39 a 45 partes em peso do segundo polietileno de alto peso molecular tendo um peso molecular médio ponderado (mw) de mais do que 150.000 a 1.000.000 g/mol ou do segundo polietileno de peso molecular ultraelevado tendo um peso mole-cular médio ponderado (mw) de mais de 1.000.000 a 5.000.000 g/mol.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16188329.3A EP3293209B1 (en) | 2016-09-12 | 2016-09-12 | Multimodal polyethylene thin film |
PCT/EP2017/072571 WO2018046656A1 (en) | 2016-09-12 | 2017-09-08 | Multimodal polyethylene composition and a film comprising the same |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112019002973A2 true BR112019002973A2 (pt) | 2019-07-09 |
Family
ID=56920579
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112019002973A BR112019002973A2 (pt) | 2016-09-12 | 2017-09-08 | composição de polietileno multimodal e uma película que a compreende |
BR112019002974-5A BR112019002974A2 (pt) | 2016-09-12 | 2017-09-08 | película fina de polietileno multimodal |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112019002974-5A BR112019002974A2 (pt) | 2016-09-12 | 2017-09-08 | película fina de polietileno multimodal |
Country Status (14)
Country | Link |
---|---|
US (2) | US10941223B2 (pt) |
EP (2) | EP3293209B1 (pt) |
JP (3) | JP2019526648A (pt) |
CN (2) | CN108290966A (pt) |
AU (2) | AU2017322249B2 (pt) |
BR (2) | BR112019002973A2 (pt) |
ES (1) | ES2754386T3 (pt) |
HU (1) | HUE047424T2 (pt) |
MY (1) | MY191138A (pt) |
PH (2) | PH12018501765A1 (pt) |
PT (1) | PT3293209T (pt) |
RU (1) | RU2759997C2 (pt) |
WO (2) | WO2018046656A1 (pt) |
ZA (1) | ZA201901601B (pt) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HUE047424T2 (hu) * | 2016-09-12 | 2020-04-28 | Thai Polyethylene Co Ltd | Multimodális polietilén vékony film |
PL3293214T3 (pl) * | 2016-09-12 | 2020-07-27 | Thai Polyethylene Co., Ltd. | Wielomodalny polietylen o ultradużej masie cząsteczkowej o wysokich parametrach |
EP3293206B1 (en) * | 2016-09-12 | 2019-10-23 | Thai Polyethylene Co., Ltd. | Multimodal polyethylene pipe |
PT3293205T (pt) | 2016-09-12 | 2019-10-31 | Scg Chemicals Co Ltd | Processo para a preparação de polietileno multimodal |
EP3293207B1 (en) * | 2016-09-12 | 2019-08-07 | Thai Polyethylene Co., Ltd. | Multimodal polyethylene pipe |
HUE045071T2 (hu) * | 2016-09-12 | 2019-12-30 | Thai Polyethylene Co Ltd | Multimodális polietilén film |
JP7326283B2 (ja) | 2017-12-26 | 2023-08-15 | ダウ グローバル テクノロジーズ エルエルシー | マルチモーダルエチレン系ポリマーの製造のための二重反応器溶液プロセス |
US11384229B2 (en) | 2017-12-26 | 2022-07-12 | Dow Global Technologies Llc | Compositions comprising multimodal ethylene-based polymers and low density polyethylene (LDPE) |
EP3732213B1 (en) | 2017-12-26 | 2022-01-12 | Dow Global Technologies LLC | Multimodal ethylene-based polymer compositions having improved toughness |
SG11202005778VA (en) | 2017-12-26 | 2020-07-29 | Dow Global Technologies Llc | Process for the production of multimodal ethylene-based polymers |
SG11202005777XA (en) * | 2017-12-26 | 2020-07-29 | Dow Global Technologies Llc | Multimodal ethylene-based polymer processing systems and methods |
ES2950671T3 (es) * | 2018-05-30 | 2023-10-11 | Borealis Ag | Proceso para la preparación de polietileno multimodal de alta densidad |
CN108925327B (zh) * | 2018-07-31 | 2021-02-26 | 云南曲靖塑料(集团)有限公司 | 一种高强度多层复合结构农用地膜及其制备方法 |
CN109220420B (zh) * | 2018-08-08 | 2021-02-26 | 云南曲靖塑料(集团)有限公司 | 一种高强度三层双色农用地膜及其制备方法 |
CN109337187A (zh) * | 2018-09-28 | 2019-02-15 | 云南曲靖塑料(集团)有限公司 | 一种功能性相间配色膜 |
CN111100364B (zh) * | 2018-10-26 | 2022-07-12 | 中国石油化工股份有限公司 | 聚乙烯组合物及其制备方法和吹塑包装制品 |
CN111100365B (zh) * | 2018-10-26 | 2022-07-12 | 中国石油化工股份有限公司 | 聚乙烯组合物及其制备方法和挤出成型包装制品 |
CN116601177A (zh) * | 2020-11-27 | 2023-08-15 | 博里利斯股份公司 | 工艺 |
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- 2016-09-12 EP EP16188329.3A patent/EP3293209B1/en active Active
- 2016-09-12 ES ES16188329T patent/ES2754386T3/es active Active
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ZA201901601B (en) | 2021-06-30 |
PH12018501765A1 (en) | 2019-05-15 |
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US20190330390A1 (en) | 2019-10-31 |
AU2017322249B2 (en) | 2022-03-10 |
EP3293209B1 (en) | 2019-08-14 |
PT3293209T (pt) | 2019-11-19 |
JP2019529584A (ja) | 2019-10-17 |
MY191138A (en) | 2022-05-31 |
CN108350099A (zh) | 2018-07-31 |
WO2018046656A1 (en) | 2018-03-15 |
US10941223B2 (en) | 2021-03-09 |
JP2022166046A (ja) | 2022-11-01 |
WO2018046652A1 (en) | 2018-03-15 |
EP3510053B1 (en) | 2020-07-29 |
AU2017322196A1 (en) | 2019-03-07 |
CN108290966A (zh) | 2018-07-17 |
HUE047424T2 (hu) | 2020-04-28 |
BR112019002974A2 (pt) | 2019-05-14 |
RU2759997C2 (ru) | 2021-11-22 |
JP2019526648A (ja) | 2019-09-19 |
US20200056021A1 (en) | 2020-02-20 |
RU2019110776A3 (pt) | 2020-11-19 |
ES2754386T3 (es) | 2020-04-17 |
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