ZA821565B - Anti-gel and anti-block components for extrusion of ziegler-natta catalyzed olefin polymers - Google Patents

Anti-gel and anti-block components for extrusion of ziegler-natta catalyzed olefin polymers

Info

Publication number
ZA821565B
ZA821565B ZA821565A ZA821565A ZA821565B ZA 821565 B ZA821565 B ZA 821565B ZA 821565 A ZA821565 A ZA 821565A ZA 821565 A ZA821565 A ZA 821565A ZA 821565 B ZA821565 B ZA 821565B
Authority
ZA
South Africa
Prior art keywords
ziegler
extrusion
gel
olefin polymers
block components
Prior art date
Application number
ZA821565A
Other languages
English (en)
Inventor
Michael Allen Corwin
George Norris Foster
Original Assignee
Union Carbide 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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of ZA821565B publication Critical patent/ZA821565B/xx

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
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/02—Carriers therefor
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/793—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling upstream of the plasticising zone, e.g. heating in the hopper
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/832—Heating
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/865—Heating
    • 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
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
ZA821565A 1981-03-11 1982-03-09 Anti-gel and anti-block components for extrusion of ziegler-natta catalyzed olefin polymers ZA821565B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24245781A 1981-03-11 1981-03-11

Publications (1)

Publication Number Publication Date
ZA821565B true ZA821565B (en) 1983-01-26

Family

ID=22914853

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA821565A ZA821565B (en) 1981-03-11 1982-03-09 Anti-gel and anti-block components for extrusion of ziegler-natta catalyzed olefin polymers

Country Status (8)

Country Link
EP (1) EP0060673B1 (en, 2012)
JP (1) JPS58198551A (en, 2012)
KR (1) KR830009143A (en, 2012)
AU (1) AU559389B2 (en, 2012)
CA (1) CA1190686A (en, 2012)
DE (1) DE3269544D1 (en, 2012)
GR (1) GR81544B (en, 2012)
ZA (1) ZA821565B (en, 2012)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5922944A (ja) * 1982-07-30 1984-02-06 Mitsubishi Petrochem Co Ltd 押出成形用樹脂組成物
US4486552A (en) * 1983-02-28 1984-12-04 The Dow Chemical Company Fog-resistant olefin polymer films
US4532165A (en) * 1983-05-09 1985-07-30 Mitsui Petrochemical Industries Ltd. Poly-1-butene resin composition
JPS6357647A (ja) * 1986-08-28 1988-03-12 Mitsubishi Petrochem Co Ltd フイルムの製造方法
JP2567248B2 (ja) * 1987-08-10 1996-12-25 住友化学工業株式会社 フィルム成形用樹脂組成物
JP2560546B2 (ja) * 1990-12-21 1996-12-04 住友化学工業株式会社 フィルム用ポリオレフィン系樹脂組成物
US5550193A (en) * 1994-12-07 1996-08-27 Novacor Chemicals Ltd. Melt fracture elimination in film production
US5459187A (en) * 1995-02-13 1995-10-17 Novacor Chemicals Ltd. Polyethylene with reduced melt fracture
JP2014114413A (ja) * 2012-12-12 2014-06-26 Japan Polyethylene Corp 酸化耐熱と耐変色性に優れた樹脂組成物及びフィルム
CN113549236B (zh) * 2021-09-22 2021-12-31 汇泰渤海水产有限责任公司 可降解海藻膜及其制备方法和包装制品

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1235862A (fr) * 1959-09-16 1960-07-08 Eastman Kodak Co Nouvelle composition de polyéthylène et film mince formé à partir de cette composition
BE620180A (en, 2012) * 1961-07-26
CA961998A (en) * 1969-10-27 1975-01-28 Russell G. Hancock Extrusion of polyolefins without gel streak formation
JPS5128878A (ja) * 1974-09-05 1976-03-11 Showa Yuka Kk Tomeiseitoburotsukinguboshiseinosugureta enshinhoripuropirenfuirumu no seizohoho
US3969304A (en) * 1974-11-27 1976-07-13 National Distillers And Chemical Corporation Ethylene polymer films
US4013622A (en) * 1975-06-23 1977-03-22 Cities Service Company Method of reducing breakdown in polyethylene film
JPS54145749A (en) * 1978-05-09 1979-11-14 Tokuyama Soda Co Ltd Polypropylene composition for film

Also Published As

Publication number Publication date
GR81544B (en, 2012) 1984-12-11
JPS58198551A (ja) 1983-11-18
CA1190686A (en) 1985-07-16
DE3269544D1 (en) 1986-04-10
JPS6241611B2 (en, 2012) 1987-09-03
AU8125882A (en) 1982-09-16
EP0060673A1 (en) 1982-09-22
KR830009143A (ko) 1983-12-17
EP0060673B1 (en) 1986-03-05
AU559389B2 (en) 1987-03-12

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