CA2759289C - Rotomolding process for polyethylene articles - Google Patents

Rotomolding process for polyethylene articles Download PDF

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Publication number
CA2759289C
CA2759289C CA2759289A CA2759289A CA2759289C CA 2759289 C CA2759289 C CA 2759289C CA 2759289 A CA2759289 A CA 2759289A CA 2759289 A CA2759289 A CA 2759289A CA 2759289 C CA2759289 C CA 2759289C
Authority
CA
Canada
Prior art keywords
bis
tert
polyethylene
butyl
triazine
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.)
Active
Application number
CA2759289A
Other languages
English (en)
French (fr)
Other versions
CA2759289A1 (en
Inventor
Jiong YU
John Sigler
Eric Wallis
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.)
BASF Corp
Original Assignee
BASF 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 BASF Corp filed Critical BASF Corp
Publication of CA2759289A1 publication Critical patent/CA2759289A1/en
Application granted granted Critical
Publication of CA2759289C publication Critical patent/CA2759289C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
    • C08K5/3432—Six-membered rings
    • C08K5/3435—Piperidines
    • 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
    • B29K2023/0641—MDPE, i.e. medium density polyethylene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Moulding By Coating Moulds (AREA)
CA2759289A 2009-04-21 2010-04-19 Rotomolding process for polyethylene articles Active CA2759289C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US21423609P 2009-04-21 2009-04-21
US61/214,236 2009-04-21
PCT/US2010/031578 WO2010123810A2 (en) 2009-04-21 2010-04-19 Rotomolding process for polyethylene articles

Publications (2)

Publication Number Publication Date
CA2759289A1 CA2759289A1 (en) 2010-10-28
CA2759289C true CA2759289C (en) 2019-01-15

Family

ID=43011703

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2759289A Active CA2759289C (en) 2009-04-21 2010-04-19 Rotomolding process for polyethylene articles

Country Status (8)

Country Link
US (1) US8357324B2 (https=)
EP (1) EP2421913B1 (https=)
JP (1) JP5718316B2 (https=)
CN (1) CN102439073B (https=)
CA (1) CA2759289C (https=)
DK (1) DK2421913T3 (https=)
ES (1) ES2632969T3 (https=)
WO (1) WO2010123810A2 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103502325B (zh) 2010-12-13 2016-08-10 塞特克技术公司 处理添加剂和其在旋转成型中的用途
US11267951B2 (en) 2010-12-13 2022-03-08 Cytec Technology Corp. Stabilizer compositions containing substituted chroman compounds and methods of use
CN104231408A (zh) * 2014-08-07 2014-12-24 浙江瑞堂塑料科技有限公司 一种高耐候滚塑聚乙烯材料及其制备方法
WO2017160243A1 (en) 2016-03-18 2017-09-21 Scg Chemicals Company Limited Polyolefin composition for rotational molding
KR102413843B1 (ko) * 2017-11-30 2022-06-29 롯데케미칼 주식회사 회전 성형용 폴리에틸렌 수지 조성물
WO2019168718A1 (en) * 2018-02-27 2019-09-06 Basf Se Flame retardant rotomolded polyolefin
EP4185628A1 (en) 2020-07-24 2023-05-31 Basf Se Multilayered structure and a process for preparing the same
CN113527793A (zh) * 2021-08-04 2021-10-22 安徽豪洋管业科技有限公司 一种hdpe双壁波纹管生产方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5300647A (en) * 1987-09-21 1994-04-05 Ciba-Geigy Corporation O-carbonyl N-hydroxy hindered amine stabilizers
DE59702245D1 (de) * 1996-06-26 2000-09-28 Ciba Sc Holding Ag Abbau von polymeren durch nor-hals-verbindungen
US6376584B1 (en) * 1999-02-25 2002-04-23 Ciba Specialty Chemicals Corporation Hydroxy-substituted N-alkoxy hindered amines and compositions stabilized therewith
NL1014465C2 (nl) * 1999-03-01 2002-01-29 Ciba Sc Holding Ag Stabilisatorcombinatie voor het rotomoldingproces.
US6444733B1 (en) 1999-03-01 2002-09-03 Ciba Specialty Chemicals Corporation Stabilizer combination for the rotomolding process
US7030196B2 (en) * 2000-05-19 2006-04-18 Ciba Specialty Chemicals Corporation Process for reducing the molecular weight of polypropylene
EP1655303B1 (en) * 2000-05-19 2011-02-23 Basf Se Process for the Controlled Increase in Molecular Weight of Polyethylene or Polyethylene Blends
CA2467119C (en) * 2001-12-21 2012-02-07 Ciba Specialty Chemicals Holding Inc. Novel flame retarding compounds
JP4324940B2 (ja) * 2002-04-17 2009-09-02 チバ ホールディング インコーポレーテッド ヒドロキシルアミンエステル含有難燃性ポリマー組成物
SA07280006B1 (ar) * 2006-02-01 2011-05-14 سيبا سبشيالتي كيميكالز هولدينج انك استخدام امينات ثنائية معاقة فراغياً كإضافات معالجة في عمليات التشكيل الدوراني
CN101389666B (zh) * 2006-02-24 2011-09-28 西巴控股有限公司 烯烃聚合物的减粘裂化方法
JP5318751B2 (ja) * 2006-04-11 2013-10-16 チバ ホールディング インコーポレーテッド エレクトレット材

Also Published As

Publication number Publication date
EP2421913A4 (en) 2014-11-26
US20100327487A1 (en) 2010-12-30
EP2421913A2 (en) 2012-02-29
CN102439073A (zh) 2012-05-02
US8357324B2 (en) 2013-01-22
ES2632969T3 (es) 2017-09-18
WO2010123810A2 (en) 2010-10-28
JP5718316B2 (ja) 2015-05-13
JP2012524830A (ja) 2012-10-18
WO2010123810A3 (en) 2011-02-24
CN102439073B (zh) 2016-01-20
EP2421913B1 (en) 2017-04-12
DK2421913T3 (en) 2017-07-17
CA2759289A1 (en) 2010-10-28

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