SE422949B - Polypropenformningsharts med forbettrad lagtemperaturslaghallfasthet - Google Patents

Polypropenformningsharts med forbettrad lagtemperaturslaghallfasthet

Info

Publication number
SE422949B
SE422949B SE7714540A SE7714540A SE422949B SE 422949 B SE422949 B SE 422949B SE 7714540 A SE7714540 A SE 7714540A SE 7714540 A SE7714540 A SE 7714540A SE 422949 B SE422949 B SE 422949B
Authority
SE
Sweden
Prior art keywords
polypropylene
forming resin
resin according
block copolymer
segment
Prior art date
Application number
SE7714540A
Other languages
English (en)
Swedish (sv)
Other versions
SE7714540L (sv
Inventor
E G Castagna
Original Assignee
El Paso Polyolefins
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 El Paso Polyolefins filed Critical El Paso Polyolefins
Publication of SE7714540L publication Critical patent/SE7714540L/xx
Publication of SE422949B publication Critical patent/SE422949B/sv

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
    • C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L23/30—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by oxidation
    • 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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/50—Partial depolymerisation
    • 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
    • C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
    • C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages
    • 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
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/10—Chemical modification of a polymer including a reactive processing step which leads, inter alia, to morphological and/or rheological modifications, e.g. visbreaking

Landscapes

  • Chemical & Material Sciences (AREA)
  • General 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)
  • Graft Or Block Polymers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
SE7714540A 1976-12-21 1977-12-20 Polypropenformningsharts med forbettrad lagtemperaturslaghallfasthet SE422949B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/753,060 US4061694A (en) 1976-12-21 1976-12-21 Low temperature impact strength molding compositions

Publications (2)

Publication Number Publication Date
SE7714540L SE7714540L (sv) 1978-06-22
SE422949B true SE422949B (sv) 1982-04-05

Family

ID=25028987

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7714540A SE422949B (sv) 1976-12-21 1977-12-20 Polypropenformningsharts med forbettrad lagtemperaturslaghallfasthet

Country Status (10)

Country Link
US (1) US4061694A (ja)
JP (1) JPS5379988A (ja)
BE (1) BE862065A (ja)
CA (1) CA1102042A (ja)
DE (1) DE2756498A1 (ja)
DK (1) DK568977A (ja)
FR (1) FR2375268A1 (ja)
GB (1) GB1555190A (ja)
NO (1) NO152511C (ja)
SE (1) SE422949B (ja)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57150764U (ja) * 1981-03-16 1982-09-21
JPS5876444A (ja) * 1981-10-30 1983-05-09 Mitsubishi Chem Ind Ltd プロピレン−エチレンブロツク共重合体の改質法
FR2519007B1 (fr) * 1981-12-24 1985-12-27 Charbonnages Ste Chimique Copolymeres modifies de l'ethylene et d'au moins une a-olefine et procede pour leur preparation
US4375531A (en) * 1982-01-11 1983-03-01 Northern Petrochemical Company High impact visbroken polymeric blends
NO834504L (no) * 1983-01-20 1984-07-23 El Paso Polyolefins Propylenkopolymerer med forbedret slagfasthet
US4578431A (en) * 1983-08-31 1986-03-25 Mobil Oil Corporation Process for improving melt strength of ethylene polymers by treatment with organic peroxide
US4578430A (en) * 1984-12-19 1986-03-25 Shell Oil Company Controlled degradation or cracking of alpha-olefin polymers
JPS61211306A (ja) * 1985-03-15 1986-09-19 Idemitsu Petrochem Co Ltd 改質ポリプロピレン樹脂の製造方法
US4734448A (en) * 1985-07-10 1988-03-29 Idemitsu Petrochemical Co., Ltd. Propylene polymer composition
US4677025A (en) * 1985-08-30 1987-06-30 Shell Oil Company Unique molecular weight distribution polybutylene blend and film
DE3742845C2 (de) * 1987-12-17 1996-07-11 Danubia Petrochem Deutschland Verfahren zur Herstellung von faserverstärkten Polypropylenbahnen sowie faserverstärkte Polypropylenbahnen
US5066723A (en) * 1988-07-15 1991-11-19 Exxon Chemical Patents Inc. Impact-modified polymers (p-1304)
EP0351208A3 (en) * 1988-07-15 1992-06-10 Exxon Chemical Patents Inc. Impact modified polymers
US5030694A (en) * 1989-11-22 1991-07-09 Kelley Joseph M High impact thermoplastic polymer compositions
US5246779A (en) * 1992-08-10 1993-09-21 Quantum Chemical Corporation Microfine propylene polymer powders and process for their preparation
US5443898A (en) * 1993-06-29 1995-08-22 Fiberweb North America, Inc. Nonwoven webs and method of making same
DE4432798A1 (de) * 1994-09-15 1996-03-21 Basf Ag Hochflexible Propylen-Ethylen-Copolymerisate
US5574082A (en) * 1995-05-25 1996-11-12 Quantum Chemical Company Propylene polymer compositions having improved color and stabilizers therefor.
CN1182165C (zh) † 1999-11-12 2004-12-29 波利亚里斯技术有限公司 多相共聚物
EP1186618A1 (en) * 2000-09-08 2002-03-13 ATOFINA Research Controlled rheology polypropylene heterophasic copolymers
US6803421B2 (en) * 2002-11-12 2004-10-12 Equister Chemicals, Lp High flow filled propylene polymer compositions having improved impact and dimensional properties
ES2816699T3 (es) 2003-01-16 2021-04-05 Viva Healthcare Packaging Ltd Métodos, composiciones y mezclas para formar artículos que tienen resistencia al resquebrajamiento por estrés ambiental mejorada
KR20120052905A (ko) * 2009-06-23 2012-05-24 다우 글로벌 테크놀로지스 엘엘씨 레올로지가 조절된 폴리프로필렌
WO2015095320A1 (en) 2013-12-19 2015-06-25 Dow Global Technologies Llc Process to visbreak propylene-based polymers with c-c initiators
US20230098921A1 (en) * 2019-12-19 2023-03-30 Exxonmobil Chemical Patents Inc. Functionalized Propylene Based Elastomer Composition and Method of Making

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3144436A (en) * 1961-01-04 1964-08-11 Du Pont Process for degrading stereoregular polymers
US3341621A (en) * 1963-05-31 1967-09-12 Eastman Kodak Co Thermally degraded block copolymers of propylene and 1-butene
US3349018A (en) * 1963-10-28 1967-10-24 Union Carbide Corp Controllable degradation of alpha-olefin polymers using irradiation
US3911052A (en) * 1973-03-12 1975-10-07 Dart Ind Inc Block copolymers of ethylene and propylene and process for their manufacture

Also Published As

Publication number Publication date
NO774386L (no) 1978-06-22
BE862065A (fr) 1978-04-14
JPS5379988A (en) 1978-07-14
FR2375268A1 (fr) 1978-07-21
JPS5535401B2 (ja) 1980-09-13
NO152511C (no) 1985-10-09
SE7714540L (sv) 1978-06-22
DE2756498A1 (de) 1978-06-22
FR2375268B1 (ja) 1980-06-06
DK568977A (da) 1978-06-22
US4061694A (en) 1977-12-06
CA1102042A (en) 1981-05-26
GB1555190A (en) 1979-11-07
NO152511B (no) 1985-07-01

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