CA3176133A1 - Rotomolding compositions with low relative elasticity - Google Patents

Rotomolding compositions with low relative elasticity

Info

Publication number
CA3176133A1
CA3176133A1 CA3176133A CA3176133A CA3176133A1 CA 3176133 A1 CA3176133 A1 CA 3176133A1 CA 3176133 A CA3176133 A CA 3176133A CA 3176133 A CA3176133 A CA 3176133A CA 3176133 A1 CA3176133 A1 CA 3176133A1
Authority
CA
Canada
Prior art keywords
density
ethylene copolymer
polyethylene composition
molecular weight
reactor
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CA3176133A
Other languages
English (en)
French (fr)
Inventor
Celine Bellehumeur
Brian Molloy
Amin Mirzadeh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nova Chemicals Corp
Original Assignee
Nova Chemicals Corp
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 Nova Chemicals Corp filed Critical Nova Chemicals Corp
Publication of CA3176133A1 publication Critical patent/CA3176133A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/003—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
    • B29C41/06—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould about two or more axes
    • 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
    • C08F2/04—Polymerisation in solution
    • 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
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B29K2023/0608—PE, i.e. polyethylene characterised by its density
    • B29K2023/065—HDPE, i.e. high density polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0046—Elastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0063—Density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0077—Yield strength; Tensile strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0082—Flexural strength; Flexion stiffness
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Moulding By Coating Moulds (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
CA3176133A 2020-04-20 2021-04-09 Rotomolding compositions with low relative elasticity Pending CA3176133A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063012380P 2020-04-20 2020-04-20
US63/012,380 2020-04-20
PCT/IB2021/052961 WO2021214584A1 (en) 2020-04-20 2021-04-09 Rotomolding compositions with low relative elasticity

Publications (1)

Publication Number Publication Date
CA3176133A1 true CA3176133A1 (en) 2021-10-28

Family

ID=75562784

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3176133A Pending CA3176133A1 (en) 2020-04-20 2021-04-09 Rotomolding compositions with low relative elasticity

Country Status (10)

Country Link
US (1) US12378393B2 (https=)
EP (1) EP4139393B1 (https=)
JP (1) JP7749585B2 (https=)
KR (1) KR102691369B1 (https=)
CN (1) CN115362207B (https=)
BR (1) BR112022021157A2 (https=)
CA (1) CA3176133A1 (https=)
ES (1) ES2987328T3 (https=)
MX (1) MX2022012176A (https=)
WO (1) WO2021214584A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12366767B2 (en) 2020-04-21 2025-07-22 Johnson & Johnson Vision Care, Inc. Multi-lens system for presbyopia
WO2024224253A1 (en) 2023-04-24 2024-10-31 Nova Chemicals (International) S.A. Polymerization process, hdpe polyethylene composition and rotomolded article
CN121729456A (zh) * 2023-09-01 2026-03-24 陶氏环球技术有限责任公司 聚乙烯组合物和膜
WO2025051905A1 (en) * 2023-09-08 2025-03-13 Totalenergies Onetech Polyethylene composition and uses thereof

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5198401A (en) 1987-01-30 1993-03-30 Exxon Chemical Patents Inc. Ionic metallocene catalyst compositions
US5382631A (en) 1988-09-30 1995-01-17 Exxon Chemical Patents Inc. Linear ethylene interpolymer blends of interpolymers having narrow molecular weight and composition distributions
US5382630A (en) 1988-09-30 1995-01-17 Exxon Chemical Patents Inc. Linear ethylene interpolymer blends of interpolymers having narrow molecular weight and composition distribution
US5064802A (en) 1989-09-14 1991-11-12 The Dow Chemical Company Metal complex compounds
US6316546B1 (en) * 1991-03-06 2001-11-13 Exxonmobil Oil Corporation Ethylene polymer film resins
US5292845A (en) 1992-01-23 1994-03-08 Mitsui Petrochemical Industries, Ltd. Ethylene/alpha-olefin/7-methyl-1,6-octadiene copolymer rubber and composition of the same
KR100262833B1 (ko) 1992-09-16 2000-08-01 벤 씨. 카덴헤드 물성이개선된연성필름
CA2498087A1 (en) * 2002-10-01 2004-04-15 Exxonmobil Chemical Patents Inc. Polyethylene compositions for rotational molding
US7790826B2 (en) 2004-05-06 2010-09-07 DowGlobal Technologies Inc. Polymer molding compositions
US7230054B2 (en) * 2004-06-29 2007-06-12 Equistar Chemicals, Lp Polymer resins with improved environmental stress crack resistance
CA2629576C (en) 2008-04-21 2016-01-05 Nova Chemicals Corporation Closures for bottles
BR112012003539A2 (pt) 2009-08-28 2017-05-23 Dow Global Technologies Llc artigo rotomoldado e processo para fabricar um artigo
CA2752407C (en) 2011-09-19 2018-12-04 Nova Chemicals Corporation Polyethylene compositions and closures for bottles
EP2599828A1 (en) * 2011-12-01 2013-06-05 Borealis AG Multimodal polyethylene composition for the production of pipes with improved slow crack growth resistance
CA2777386C (en) * 2012-05-17 2020-06-30 Nova Chemicals Corporation Rotomolding resin
CA2798854C (en) * 2012-12-14 2020-02-18 Nova Chemicals Corporation Polyethylene compositions having high dimensional stability and excellent processability for caps and closures
CA2834068C (en) * 2013-11-18 2020-07-28 Nova Chemicals Corporation Enhanced escr bimodal rotomolding resin
CA2868640C (en) 2014-10-21 2021-10-26 Nova Chemicals Corporation Solution polymerization process
EP3209722B1 (en) 2014-10-21 2025-07-16 Nova Chemicals (International) S.A. Ethylene interpolymer product with dilution index
CA2914166C (en) * 2015-12-08 2022-07-26 Nova Chemicals Corporation High density rotomolding resin
CA2957706C (en) * 2017-02-13 2020-12-15 Nova Chemicals Corporation Caps and closures

Also Published As

Publication number Publication date
BR112022021157A2 (pt) 2022-12-06
WO2021214584A1 (en) 2021-10-28
US12378393B2 (en) 2025-08-05
EP4139393C0 (en) 2024-06-26
ES2987328T3 (es) 2024-11-14
JP7749585B2 (ja) 2025-10-06
CN115362207A (zh) 2022-11-18
EP4139393A1 (en) 2023-03-01
MX2022012176A (es) 2022-10-27
EP4139393B1 (en) 2024-06-26
KR102691369B1 (ko) 2024-08-05
JP2023522910A (ja) 2023-06-01
US20230159732A1 (en) 2023-05-25
KR20220155594A (ko) 2022-11-23
CN115362207B (zh) 2024-01-09

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CA2914166C (en) High density rotomolding resin
US12378393B2 (en) Rotomolding compositions with low relative elasticity
EP3976666B1 (en) Enhanced escr and ductility bimodal rotomolding resin

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