IT8347527A0 - Mescole polimeriche a viscosita' ridotta di elevata resistenza ad urto e metodo per produrle - Google Patents

Mescole polimeriche a viscosita' ridotta di elevata resistenza ad urto e metodo per produrle

Info

Publication number
IT8347527A0
IT8347527A0 IT8347527A IT4752783A IT8347527A0 IT 8347527 A0 IT8347527 A0 IT 8347527A0 IT 8347527 A IT8347527 A IT 8347527A IT 4752783 A IT4752783 A IT 4752783A IT 8347527 A0 IT8347527 A0 IT 8347527A0
Authority
IT
Italy
Prior art keywords
producing
impact resistance
high impact
polymer compounds
reduced viscosity
Prior art date
Application number
IT8347527A
Other languages
English (en)
Other versions
IT1164857B (it
Inventor
Ross James Francis
Original Assignee
Northern Petro Chem Co
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 Northern Petro Chem Co filed Critical Northern Petro Chem Co
Publication of IT8347527A0 publication Critical patent/IT8347527A0/it
Application granted granted Critical
Publication of IT1164857B publication Critical patent/IT1164857B/it

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
    • C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • 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
    • 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
    • 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
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853—Vinylacetate
    • 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
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0869—Acids or derivatives thereof
    • 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
    • C08L23/10—Homopolymers or copolymers of propene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92514—Pressure
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; 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
    • 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
    • B29C48/802—Heating
    • 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
    • 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
    • C08L2023/40—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 reaction with compounds changing molecular weight
    • C08L2023/42—Depolymerisation, vis-breaking or degradation
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2308/00—Chemical blending or stepwise polymerisation process with the same catalyst
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S525/941—Polymer mixture containing block copolymer is mixed or reacted with chemical treating agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
IT47527/83A 1982-01-11 1983-07-10 Mescole polimeriche a viscosita' ridotta di elevata resistenza ad urto e metodo per produrle IT1164857B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/338,412 US4375531A (en) 1982-01-11 1982-01-11 High impact visbroken polymeric blends

Publications (2)

Publication Number Publication Date
IT8347527A0 true IT8347527A0 (it) 1983-07-10
IT1164857B IT1164857B (it) 1987-04-15

Family

ID=23324727

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47527/83A IT1164857B (it) 1982-01-11 1983-07-10 Mescole polimeriche a viscosita' ridotta di elevata resistenza ad urto e metodo per produrle

Country Status (7)

Country Link
US (1) US4375531A (it)
JP (1) JPS58174426A (it)
CA (1) CA1189221A (it)
DE (1) DE3300681C2 (it)
GB (1) GB2113697B (it)
IT (1) IT1164857B (it)
ZA (1) ZA829539B (it)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58210949A (ja) * 1982-06-02 1983-12-08 Showa Denko Kk 耐衝撃性ポリプロピレン組成物の製造方法
IT1163372B (it) * 1983-05-13 1987-04-08 Grace W R & Co Pellicole laminate ad elevate caratteristiche di silenziosita' e morbidezza, in particolare per contenitori o sacchetti di drenaggio ad uso medicale
US4540753A (en) * 1983-06-15 1985-09-10 Exxon Research & Engineering Co. Narrow MWD alpha-olefin copolymers
JPS6013838A (ja) * 1983-07-04 1985-01-24 Mitsui Petrochem Ind Ltd ポリプロピレン組成物
JPH068375B2 (ja) * 1983-08-18 1994-02-02 三井東圧化学株式会社 ポリプロピレン樹脂組成物の製造方法
US4535125A (en) * 1983-10-13 1985-08-13 Shell Oil Company High flow propylene polymer compositions
GB2149345B (en) * 1983-11-09 1987-03-11 Grace W R & Co Heat sterilizable laminate films
US4656098A (en) * 1983-12-14 1987-04-07 Mitsui Petrochemical Industries, Ltd. Laminate excellent in surface gloss and surface harness, and preparation process and use thereof
US4508872A (en) * 1984-02-22 1985-04-02 Shell Oil Company High toughness propylene polymer compositions
US4514534A (en) * 1984-04-13 1985-04-30 United States Steel Corporation Modified polypropylene for film
US4588775A (en) * 1984-06-22 1986-05-13 Shell Oil Company High toughness propylene polymer compositions
US4578430A (en) * 1984-12-19 1986-03-25 Shell Oil Company Controlled degradation or cracking of alpha-olefin polymers
US4677025A (en) * 1985-08-30 1987-06-30 Shell Oil Company Unique molecular weight distribution polybutylene blend and film
US5011891A (en) * 1985-12-27 1991-04-30 Exxon Research & Engineering Company Elastomer polymer blends
US4843129A (en) * 1985-12-27 1989-06-27 Exxon Research & Engineering Company Elastomer-plastic blends
US4904253A (en) * 1986-01-31 1990-02-27 Minnesota Mining And Manufacturing Company Pressure-sensitive adhesive tape
US4769283A (en) * 1986-01-31 1988-09-06 Minnesota Mining And Manufacturing Company Pressure-sensitive adhesive tape
US5177147A (en) * 1986-03-03 1993-01-05 Advanced Elastomer Systems, Lp Elastomer-plastic blends
GB8620502D0 (en) * 1986-08-22 1986-10-01 Du Pont Canada Modification of crystalline propylene polymers
US4966944A (en) * 1986-12-10 1990-10-30 Quantum Chemical Corporation Impact propylene copolymers with improved bruise resistance
FR2614897B1 (fr) * 1987-05-07 1991-12-20 Charbonnages Ste Chimique Compositions thermoplastiques, contenant un polymere modifie d'ethylene et un polymere d'une olefine en c3-c12, leur procede de preparation et leur application a l'obtention d'articles industriels
KR900004932B1 (ko) * 1987-05-26 1990-07-12 주식회사 럭키 올레핀계 열가소성 수지 조성물의 제조 방법
US5023300A (en) * 1988-01-04 1991-06-11 Exxon Chemical Patents Inc. Thermoplastic olefin alloys and method for producing the same
US5210139A (en) * 1988-01-04 1993-05-11 Exxon Chemical Patents Inc. Thermoplastic olefin alloys and method for producing the same
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
JP2600829B2 (ja) * 1988-08-04 1997-04-16 三井石油化学工業株式会社 ポリプロピレン樹脂組成物
US5292811A (en) * 1988-11-21 1994-03-08 Mitsui Petrochemical Industries, Ltd. Process for preparing thermoplastic elastomers
US5030694A (en) * 1989-11-22 1991-07-09 Kelley Joseph M High impact thermoplastic polymer compositions
US5258464A (en) * 1990-01-29 1993-11-02 Shell Oil Company Impact copolymer compositions
US5362782A (en) * 1990-05-14 1994-11-08 Shell Oil Company Polymer compositions
GB9108796D0 (en) * 1991-04-24 1991-06-12 Cabot Plastics Ltd Process for the treatment of mixtures of halogenated and non-halogenated polymers
US5439974A (en) * 1991-11-27 1995-08-08 Quantum Chemical Corporation Propylene-based extrudable adhesive blends
US5367022A (en) * 1991-11-27 1994-11-22 Quantum Chemical Corporation Grafted polymeric products, and adhesive blends
US5270369A (en) * 1992-10-21 1993-12-14 Phillips Petroleum Company Additive to improve polymer clarity and viscosity
US5639818A (en) * 1994-03-11 1997-06-17 Quantum Chemical Corporation Peroxide modified PP/PE blends with superior melt strength
JP2849053B2 (ja) * 1995-05-15 1999-01-20 池田物産株式会社 カーペット裏打ち用組成物及びカーペットの製造方法
US5574082A (en) * 1995-05-25 1996-11-12 Quantum Chemical Company Propylene polymer compositions having improved color and stabilizers therefor.
US5738745A (en) * 1995-11-27 1998-04-14 Kimberly-Clark Worldwide, Inc. Method of improving the photostability of polypropylene compositions
DE19644270A1 (de) * 1996-10-24 1998-04-30 Basf Ag Verfahren zur Herstellung oxidierter Polyethylenwachse
US5861463A (en) * 1996-10-31 1999-01-19 The Dow Chemical Company Impact-modified thermoplastic polyolefins and articles fabricated therefrom
US6506842B1 (en) * 1997-01-29 2003-01-14 Dupont Dow Elastomers L.L.C. Rheology-modified thermoplastic elastomer compositions and articles fabricated therefrom
US6197886B1 (en) * 1997-10-24 2001-03-06 Union Carbide Chemicals & Plastics Technology Corporation Compositions containing impact copolymers made from a blend of a homopolymer phase and a rubber phase having a high ethylene content
US6583076B1 (en) 1999-01-08 2003-06-24 Kimberly-Clark Worldwide, Inc. Nonwoven fabrics prepared using visbroken single-site catalyzed polypropylene
US6326434B1 (en) * 2000-02-16 2001-12-04 Equistar Chemicals, Lp Extrusion compositions with improved melt flow
EP1186618A1 (en) * 2000-09-08 2002-03-13 ATOFINA Research Controlled rheology polypropylene heterophasic copolymers
US6548600B2 (en) 2000-09-22 2003-04-15 Dupont Dow Elastomers L.L.C. Thermoplastic elastomer compositions rheology-modified using peroxides and free radical coagents
US6469088B1 (en) 2000-11-02 2002-10-22 Equistar Chemicals, Lp Polyolefin insulation compositions having improved oxidative stability
EP1312617A1 (en) * 2001-11-14 2003-05-21 ATOFINA Research Impact strength polypropylene
US6716928B2 (en) 2002-08-16 2004-04-06 Equistar Chemicals, Lp Grafted propylene copolymers and adhesive blends
US7338994B2 (en) * 2002-10-01 2008-03-04 Dow Global Technologies Inc. Rheology-modified thermoplastic elastomer compositions for extruded profiles
ITMI20030629A1 (it) * 2003-03-31 2004-10-01 Polimeri Europa Spa Composizione elastomerica per l'isolamento di cavi elettrici.
US20050130544A1 (en) * 2003-11-18 2005-06-16 Cheng Chia Y. Elastic nonwoven fabrics made from blends of polyolefins and processes for making the same
ITMI20041672A1 (it) * 2004-08-27 2004-11-27 Polimeri Europa Spa Copolimeri etilene-propilene a migliorata stabilita' di forma adatti alla modifica degli oli lubrificanti e procedimento per la loro preparazione
US7786203B2 (en) * 2005-09-16 2010-08-31 Milliken & Company Polymer compositions comprising nucleating or clarifying agents and articles made using such compositions
US7750086B2 (en) * 2006-02-27 2010-07-06 Equistar Chemicals, Lp Solid state modification of propylene polymers
EP2851196A1 (en) * 2008-05-05 2015-03-25 A. Schulman, Inc. Multilayer clear over color polyolefin sheets and layered backing structure
US8877867B2 (en) * 2008-11-06 2014-11-04 Exxonmobil Chemical Patents Inc. Process for forming thermoplastic vulcanizates and extruded articles therefrom
US9376559B2 (en) 2013-11-22 2016-06-28 Exxonmobil Chemical Patents Inc. Reverse staged impact copolymers
US20160311944A1 (en) * 2013-12-13 2016-10-27 Braskem S.A. Method for producing controlled rheology polypropylene, polypropylene, use thereof and manufactured articles
CN104019298B (zh) * 2014-05-28 2016-05-11 华北水利水电大学 双层复合管材及其制备方法
KR102121106B1 (ko) * 2018-04-25 2020-06-09 한화토탈 주식회사 열가소성 엘라스토머 복합 폴리프로필렌 수지 조성물
CN112094472B (zh) * 2020-09-27 2022-11-15 上海金发科技发展有限公司 一种高焊接强度聚丙烯组合物及其制备方法和应用
US20220402188A1 (en) * 2021-06-22 2022-12-22 Equistar Chemicals, Lp Polymer recyclate processes and products
CN116061502B (zh) * 2023-03-28 2023-06-06 山东寿光鲁清石化有限公司 一种高密度聚乙烯硅芯管用材料

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3121070A (en) * 1960-05-03 1964-02-11 Eastman Kodak Co Thermally modified polymers of polypropylene and other polymers and process for preparing the same
US3420916A (en) * 1965-10-04 1969-01-07 Dow Chemical Co Pyrolyzed blend of polyethylene and polypropylene
US3954704A (en) * 1969-09-11 1976-05-04 Imperial Chemical Industries Limited Polymer compositions
JPS52138539A (en) * 1976-04-09 1977-11-18 Mitsui Toatsu Chem Inc Polyolefin compositions for extrusion coating
US4061694A (en) * 1976-12-21 1977-12-06 Dart Industries Inc. Low temperature impact strength molding compositions
JPS5416554A (en) * 1977-07-08 1979-02-07 Mitsui Petrochem Ind Ltd Thermoplastic resin composition
JPS541386A (en) * 1977-06-07 1979-01-08 Nippon I P Rubber Kk Manufacture of thermoplastic elastomer
JPS5441950A (en) * 1977-09-08 1979-04-03 Mitsubishi Chem Ind Ltd Preparation of modified polyolefin composition
JPS5450057A (en) * 1977-09-29 1979-04-19 Ube Ind Ltd Preparation of polypropylene composition having improved impact resistance
JPS5558245A (en) * 1978-10-19 1980-04-30 Sumitomo Chem Co Ltd Polyolefin resin composition
US4282076A (en) * 1979-09-17 1981-08-04 Hercules Incorporated Method of visbreaking polypropylene

Also Published As

Publication number Publication date
DE3300681C2 (de) 1994-09-01
US4375531A (en) 1983-03-01
ZA829539B (en) 1983-10-26
CA1189221A (en) 1985-06-18
IT1164857B (it) 1987-04-15
DE3300681A1 (de) 1983-07-21
JPS58174426A (ja) 1983-10-13
GB2113697B (en) 1985-06-26
GB2113697A (en) 1983-08-10

Similar Documents

Publication Publication Date Title
IT8347527A0 (it) Mescole polimeriche a viscosita' ridotta di elevata resistenza ad urto e metodo per produrle
FR2515195B1 (fr) Composition d'alliage de matieres plastiques
IT1159824B (it) Apparecchiatura per l'azionamento di veicoli
BE896382A (fr) Filiere d'extrusion
BR8203948A (pt) Composicao de borracha vulcanizavel e vulcanizado obtido a partir de tal composicao
IT1170240B (it) Composizione a base di resina sintetica e processo per la sua produzione
IT8521198A0 (it) Apparecchiatura per produrre un foglio avente molteplici cavita' di materiale termoplastico.
IT8020229A0 (it) Tingibilita'.procedimento per produrre poliammidi a modificata
KR860004948A (ko) 이미다졸리논-함유 중합체 및 그것의 제조방법
IT8421496A0 (it) Metodo ed apparecchiatura per analisi chimico-cliniche automatiche ad alta velocita'.
IT1169921B (it) Processo continuo per la produzione di resine ad alta resistenza all'urto modificate con gomma
IT1141107B (it) Processo per l'alchilazione di poliamine
DE3377128D1 (de) 1,3-dioxanes
FR2561984B1 (fr) Machine d'extrusion-soufflage
IT1141029B (it) Composizione a base di policarbonato avente proprieta' migliorate e metodo per il suo ottenimento
KR860004947A (ko) 폴리아미드-폴리우레아 함유 중합체의 제조방법
IT8349343A0 (it) Catalizzatore nonche' metodo per preparare un tale catalizzatore e utilizzazioni
NO850461L (no) Vulkaniserbare polymersammensetninger
BR8301902A (pt) Processo de polimerizacao
KR860004944A (ko) 나일론 블록 공중합체의 제조방법
FR2560550B1 (fr) Procede et dispositif d'extrusion pour le formage de masses pouvant couler
BR8405629A (pt) Processo de polimerizacao
BE896505A (fr) Procede de fabrication d'un polyester a poids moleculaire eleve
DE3583931D1 (de) Schlagzaehe polymerzusammensetzungen.
IT8547866A0 (it) Metodo e apparecchio di stampaggio ed articoli cosi' ottenuti

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950127