PL2313443T3 - Modyfikowane silanami poliolefiny o wysokim stopniu sfunkcjonalizowania - Google Patents

Modyfikowane silanami poliolefiny o wysokim stopniu sfunkcjonalizowania

Info

Publication number
PL2313443T3
PL2313443T3 PL09780094T PL09780094T PL2313443T3 PL 2313443 T3 PL2313443 T3 PL 2313443T3 PL 09780094 T PL09780094 T PL 09780094T PL 09780094 T PL09780094 T PL 09780094T PL 2313443 T3 PL2313443 T3 PL 2313443T3
Authority
PL
Poland
Prior art keywords
functionalization
silane
high degree
modified polyolefins
polyolefins
Prior art date
Application number
PL09780094T
Other languages
English (en)
Inventor
Hinnerk Gordon Becker
Hans Günther Wey
Original Assignee
Evonik Degussa Gmbh
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 Evonik Degussa Gmbh filed Critical Evonik Degussa Gmbh
Publication of PL2313443T3 publication Critical patent/PL2313443T3/pl

Links

Classifications

    • 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
    • C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • 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
    • C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
    • 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
    • C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
    • C08F255/04—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms on to ethene-propene copolymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
    • C09D151/06—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C09J151/06—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Graft Or Block Polymers (AREA)
  • Sealing Material Composition (AREA)
  • Paints Or Removers (AREA)
  • Laminated Bodies (AREA)
PL09780094T 2008-08-15 2009-07-02 Modyfikowane silanami poliolefiny o wysokim stopniu sfunkcjonalizowania PL2313443T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102008041279A DE102008041279A1 (de) 2008-08-15 2008-08-15 Silanmodifizierte Polyolefine mit hohem Funktionalisierungsgrad
EP09780094.0A EP2313443B1 (de) 2008-08-15 2009-07-02 Silanmodifizierte polyolefine mit hohem funktionalisierungsgrad
PCT/EP2009/058327 WO2010018027A1 (de) 2008-08-15 2009-07-02 Silanmodifizierte polyolefine mit hohem funktionalisierungsgrad

Publications (1)

Publication Number Publication Date
PL2313443T3 true PL2313443T3 (pl) 2019-09-30

Family

ID=40941579

Family Applications (1)

Application Number Title Priority Date Filing Date
PL09780094T PL2313443T3 (pl) 2008-08-15 2009-07-02 Modyfikowane silanami poliolefiny o wysokim stopniu sfunkcjonalizowania

Country Status (8)

Country Link
US (1) US8399571B2 (pl)
EP (1) EP2313443B1 (pl)
JP (1) JP5553831B2 (pl)
CN (1) CN102124041B (pl)
DE (1) DE102008041279A1 (pl)
PL (1) PL2313443T3 (pl)
PT (1) PT2313443T (pl)
WO (1) WO2010018027A1 (pl)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009001885A1 (de) 2009-03-26 2010-09-30 Evonik Degussa Gmbh Grundierungsmittel für Polyolefin-Oberflächen basierend auf Polyolefin-graft-poly(meth)acrylat Copolymeren
DE102009001886A1 (de) 2009-03-26 2010-10-07 Evonik Degussa Gmbh Haftvermittler zum Beschichten von Polyolefin-Oberflächen basierend auf Polyolefin-graft-poly(meth)acrylat Copolymeren
JP5644422B2 (ja) * 2010-11-25 2014-12-24 三菱化学株式会社 改質アスファルト組成物、アスファルト混合物およびアスファルト舗装材
US9855682B2 (en) 2011-06-10 2018-01-02 Columbia Insurance Company Methods of recycling synthetic turf, methods of using reclaimed synthetic turf, and products comprising same
CN102432762B (zh) * 2011-09-02 2013-08-07 华东理工大学 一种具有高熔体强度的接枝聚丙烯的制备方法
CN102504112B (zh) * 2011-09-21 2013-08-14 宁波工程学院 一种硅烷溶液接枝天然橡胶的制备方法
US8835536B2 (en) 2012-02-02 2014-09-16 Lion Copolymer Holdings, Llc Highly silica loaded styrene butadiene rubber masterbatch
JP6055609B2 (ja) * 2012-04-27 2016-12-27 ヘンケルジャパン株式会社 電力機器用ホットメルト接着剤
JP2013231113A (ja) * 2012-04-27 2013-11-14 Henkel Japan Ltd 接着シート
ES2654465T3 (es) 2012-09-11 2018-02-13 Sika Technology Ag Adhesivo termoplástico de poliolefina reactivo para empleo como revestimiento previo reactivable
CN103113704A (zh) * 2013-02-05 2013-05-22 常熟市中联光电新材料有限责任公司 耐110℃高温的硅烷自然交联聚乙烯电缆料的制备方法
CN103102634A (zh) * 2013-02-05 2013-05-15 常熟市中联光电新材料有限责任公司 耐110℃高温的硅烷自然交联聚乙烯电缆料
US10040888B1 (en) 2013-06-14 2018-08-07 Cooper-Standard Automotive Inc. Composition including silane-grafted polyolefin
US10100139B2 (en) * 2013-08-01 2018-10-16 Cooper-Standard Automotive Inc. Hose, composition including silane-grafted polyolefin, and process of making a hose
EP3036099B2 (en) 2013-09-18 2022-11-30 Holcim Technology Ltd Peel and stick roofing membranes with cured pressure-sensitive adhesives
CN103755876B (zh) * 2013-12-31 2016-01-20 广州鹿山新材料股份有限公司 一种极性单体接枝改性的无定型聚α-烯烃及其制备方法
US10723824B2 (en) 2014-02-07 2020-07-28 Eastman Chemical Company Adhesives comprising amorphous propylene-ethylene copolymers
US10647795B2 (en) 2014-02-07 2020-05-12 Eastman Chemical Company Adhesive composition comprising amorphous propylene-ethylene copolymer and polyolefins
US10696765B2 (en) 2014-02-07 2020-06-30 Eastman Chemical Company Adhesive composition comprising amorphous propylene-ethylene copolymer and propylene polymer
US11267916B2 (en) 2014-02-07 2022-03-08 Eastman Chemical Company Adhesive composition comprising amorphous propylene-ethylene copolymer and polyolefins
US9399686B2 (en) * 2014-02-07 2016-07-26 Eastman Chemical Company Amorphous propylene-ethylene copolymers
US10308740B2 (en) 2014-02-07 2019-06-04 Eastman Chemical Company Amorphous propylene-ethylene copolymers
CA2941239C (en) 2014-03-07 2022-12-06 Firestone Building Products Co., LLC Roofing membranes with pre-applied, cured, pressure-sensitive seam adhesives
CN104059282B (zh) * 2014-04-30 2015-07-08 中国科学院化学研究所 一种α-硅烷交联线性低密度聚乙烯及其应用
KR101462486B1 (ko) * 2014-06-20 2014-11-19 화인케미칼 주식회사 인조잔디용 탄성 충진재
US10371292B2 (en) 2014-07-02 2019-08-06 Cooper-Standard Automotive Inc. Hose, abrasion resistant composition, and process of making a hose
US20160326408A1 (en) * 2015-05-08 2016-11-10 Henkel lP & Holding GmbH Moisture curable hot melt adhesive with high adhesion strength and fast set time
US12006692B2 (en) 2016-03-25 2024-06-11 Holcim Technology Ltd Fully-adhered roof system adhered and seamed with a common adhesive
US20200299965A1 (en) 2016-03-25 2020-09-24 Firestone Building Products Company, Llc Fully-adhered roof system adhered and seamed with a common adhesive
JP6424868B2 (ja) * 2016-09-07 2018-11-21 信越化学工業株式会社 シラン変性共重合体、その製造方法および密着向上剤
KR20190092529A (ko) 2016-12-10 2019-08-07 쿠퍼-스탠다드 오토모티브 인코포레이티드 동적 시일, 조성물, 및 그의 제조 방법
US20190261790A1 (en) * 2017-01-03 2019-08-29 Dreamzen, Inc. Articles including beneficial objects dispersed in horsehair and methods of manufacture
US10162141B1 (en) * 2018-03-28 2018-12-25 Dow Global Technologies Llc Flooding composition with polysiloxane
CN113195608B (zh) * 2018-12-20 2023-12-15 巴塞尔聚烯烃意大利有限公司 地毯背衬的聚烯烃组合物
WO2020261258A1 (en) * 2019-06-27 2020-12-30 Carmel Olefins Ltd. Polyolefin based compositions modified by silanes
CN113563527B (zh) * 2020-04-29 2024-07-02 中国石油化工股份有限公司 一种接枝改性聚丙烯材料及其制备方法与应用
CN113571233B (zh) * 2020-04-29 2023-05-09 中国石油化工股份有限公司 一种具有改性聚丙烯绝缘层的热塑性电缆
CN113136072B (zh) * 2021-04-09 2022-12-27 汕头市贝斯特科技有限公司 一种bopp粘胶带基膜用低噪声母料及其制备方法
CN113444191B (zh) * 2021-06-29 2022-11-15 成都硅宝科技股份有限公司 一种硅烷改性聚烯烃成膜剂及其制备方法与应用
JP2024525311A (ja) 2021-06-30 2024-07-12 ダウ グローバル テクノロジーズ エルエルシー エポキシ－シランによる無水物官能化ポリマーの硬化
EP4112660A1 (de) * 2021-07-01 2023-01-04 Clariant International Ltd Verarbeitungsoptimierte, reaktive polymerzusammensetzung
CN113429920A (zh) * 2021-07-13 2021-09-24 安徽国风塑业股份有限公司 一种耐水耐热的pp热熔胶及其制备方法
CN114920994B (zh) * 2022-05-20 2024-08-16 广西科学院 一种塑料用方解石边角废料处理方法
DE102022128190A1 (de) * 2022-10-25 2024-04-25 SAS Chemicals GmbH Dichtmittelzusammensetzung für Mehrscheiben-Isolierglas
CN116445111B (zh) * 2023-03-22 2024-02-27 深圳市东升塑胶制品有限公司 一种热熔胶及其制备方法
CN117700868A (zh) * 2023-12-14 2024-03-15 宝新高分子科技(广州)有限公司 一种自交联电缆料及其应用
CN117645799A (zh) * 2024-01-29 2024-03-05 山西中科鹏宇建筑科技有限公司 一种桥梁伸缩缝用树脂改性橡胶沥青密封剂及其制备方法

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3075948A (en) 1959-10-23 1963-01-29 Owens Illinois Glass Co Method for preparing graft copolymers of polyolefin and silanes and a graft copolymer thereof
BE794718Q (fr) 1968-12-20 1973-05-16 Dow Corning Ltd Procede de reticulation d'olefines
GB1396120A (en) 1972-10-28 1975-06-04 Dow Corning Ltd Crosslinking process
GB1450934A (en) 1973-02-14 1976-09-29 Dow Corning Ltd Corsslinking process
GB1526398A (en) 1974-12-06 1978-09-27 Maillefer Sa Manufacture of extruded products
GB1534299A (en) 1975-09-26 1978-11-29 Bicc Ltd Manufacture of extruded products
JPS6017353B2 (ja) 1978-03-03 1985-05-02 古河電気工業株式会社 ポリオレフイン系樹脂の架橋方法
JPS57153004A (en) 1981-03-19 1982-09-21 Nippon Oil Co Ltd Production of silane-crosslinked polyolefin
CA1297222C (en) 1986-09-10 1992-03-10 Richard Frank Tomko Moisture-curable low molecular weight polymers and compositions and composites thereof
GB8811634D0 (en) 1988-05-17 1988-06-22 Swift Adhesives Ltd Adhesive compositions
GB8924619D0 (en) 1989-11-01 1989-12-20 Swift Adhesives Ltd Crosslinkable polymers
DE4000695C2 (de) 1990-01-12 1997-07-03 Huels Chemische Werke Ag Weitgehend amorphe Polyalphaolefine mit enger Molekulargewichtsverteilung, Verfahren zu deren Herstellung und Verwendung für Teppichschwerbeschichtungsmassen oder Schmelzklebstoffe
US5461110A (en) 1994-05-04 1995-10-24 Du Pont Canada Inc. Cross-linkable adhesive polymers
EP0827994B1 (de) 1996-09-04 2002-12-18 Degussa AG Verwendung von silangepfropften amorphen Poly-alpha-Olefinen als feuchtigkeitsvernetzender Klebrohstoff oder Klebstoff
EP0890590B1 (en) * 1997-01-10 2002-09-04 Chisso Corporation Propylene/ethylene copolymer, process for the production thereof, and molded articles thereof
DE19808886A1 (de) * 1998-03-03 1999-09-09 Huels Chemische Werke Ag Vernetzbare Formmasse
DE19808888A1 (de) * 1998-03-03 1999-09-09 Huels Chemische Werke Ag Verstärkte Formmasse
JP2003002930A (ja) 2000-05-08 2003-01-08 Sumitomo Chem Co Ltd 非晶性オレフィン系重合体変性物、ならびに、該変性物と熱可塑性樹脂を含有する樹脂組成物
JP4260635B2 (ja) 2002-02-20 2009-04-30 出光興産株式会社 改質ブテン−１系重合体の製造方法及びその方法で得られた改質ブテン−１系重合体
DE10338344A1 (de) * 2003-08-21 2005-03-24 Clariant Gmbh Modifizierte Polyolefinwachse
KR20070087670A (ko) 2004-12-21 2007-08-28 다우 글로벌 테크놀로지스 인크. 폴리프로필렌-기재의 접착제 조성물
DE102005017200A1 (de) * 2005-04-13 2006-10-19 Degussa Ag Verwendung eines hochviskosen, weitgehend amorphen Polyolefins zur Herstellung einer Folie
US7807768B2 (en) * 2005-04-13 2010-10-05 Evonik Degussa Gmbh Highly viscous, largely amorphous polyolefin
DE102005017201A1 (de) * 2005-04-13 2006-10-19 Degussa Ag Hochviskoses, weitgehend amorphes Polyolefin
DE102005026765A1 (de) * 2005-06-10 2006-12-14 Degussa Ag Rückenfixierung von Kunstrasenrohware mit Schmelzklebern auf Basis von amorphen Poly-alpha-Olefinen und/oder modifizierten, amorphen Poly-alpha-Olefinen
DE102005042389A1 (de) * 2005-06-17 2006-12-28 Röhm Gmbh Heißversiegelungsmasse für Aluminium- und Polyethylenterephthalatfolien gegen Polypropylen-Polyvinylchlorid- und Polystyrolbehälter
US7812085B2 (en) 2005-06-24 2010-10-12 Exxonmobil Chemical Patents Inc. Functionalized propylene copolymer adhesive composition
JP4991710B2 (ja) 2005-06-24 2012-08-01 エクソンモービル・ケミカル・パテンツ・インク 可塑化した官能性プロピレンコポリマー接着組成物
JP5551360B2 (ja) 2005-07-11 2014-07-16 ダウ グローバル テクノロジーズ エルエルシー シラングラフトオレフィンポリマー、それらから調製される組成物および物品、ならびにそれらの製造方法
US7750078B2 (en) 2005-12-07 2010-07-06 Exxonmobil Chemical Patents Inc. Systems and methods used for functionalization of polymeric material and polymeric materials prepared therefrom
DE102006044143A1 (de) 2006-09-15 2008-03-27 Evonik Degussa Gmbh Silangruppenhaltige, chlorfreie Zusammensetzung
US8785553B2 (en) * 2007-12-04 2014-07-22 Exxonmobil Chemical Patents Inc. Moisture curable propylene-α-olefin copolymers
DE102008005949A1 (de) * 2008-01-24 2009-07-30 Evonik Degussa Gmbh Polyolefine mit Isotaktischen Strukturelementen, Verfahren zu deren Herstellung und deren Verwendung
DE102008005947A1 (de) * 2008-01-24 2009-07-30 Evonik Degussa Gmbh Polyolefine mit Ataktischen Strukturelementen, Verfahren zu deren Herstellung und deren Verwendung

Also Published As

Publication number Publication date
CN102124041A (zh) 2011-07-13
US8399571B2 (en) 2013-03-19
US20110060078A1 (en) 2011-03-10
CN102124041B (zh) 2014-07-09
PT2313443T (pt) 2019-06-12
EP2313443A1 (de) 2011-04-27
EP2313443B1 (de) 2019-03-13
JP5553831B2 (ja) 2014-07-16
JP2012500292A (ja) 2012-01-05
DE102008041279A1 (de) 2010-02-18
WO2010018027A1 (de) 2010-02-18

Similar Documents

Publication Publication Date Title
PT2313443T (pt) Poliolefinas modificadas com silano com um alto grau de funcionalidade
GB0812186D0 (en) Modified polyolefins
AU317455S (en) A part of a headset
EP2387592A4 (en) FUNCTIONALIZATION OF POLYOLEFINES WITH PHENOXY DERIVATIVES
EP2501770A4 (en) SURFACE MODIFIED LUBRICANTS
IL241744A0 (en) Preparations and methods for producing a compound
PL2321382T3 (pl) Zintegrowane wytwarzanie propylenu
HUE036302T2 (hu) Mutáns penicillin-G-acilázok
ZA201007455B (en) Coal enhancements process
EP2125969A4 (en) BLOCKFUNKTIONALISIERUNGSMETHODEN
EP2314193A4 (en) CYCLONE CLEANER
EP2262589A4 (en) CYCLONE
IL230040A0 (en) headphones
EP2644630A4 (en) MODIFYING AGENT FOR A POLYOLEFIN RESIN
EP2261206A4 (en) INDOLINONE COMPOUND
EP2837047A4 (en) FUNCTIONALIZATION OF A SUBSTRATE
EP2598562A4 (en) FUNCTIONALIZATION OF POLYESTER SURFACE
EP2247627A4 (en) DIPHENYLAMINE FUNCTIONALIZATION OF POLYOLEFINES
EP2513158A4 (en) FUNCTIONALIZED POLYOLEFINS BY CARBONYL-EENE
GB0813347D0 (en) A set of parts
EP2176303A4 (en) MODIFICATION OF POLYOLEFINS
IL208437A0 (en) Silicia for the inhinition of a aprotease
IL212476A0 (en) Appliction of a self-assembled monolayer as an oxide inhibitor
PL2385030T3 (pl) Kompozycja klejowa wolna od emisji
AU2008902734A0 (en) Modification of polyolefins