CN1456430A - Promoting agent for graft copolymerization of polypropylene with maleic anhydride - Google Patents

Promoting agent for graft copolymerization of polypropylene with maleic anhydride Download PDF

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Publication number
CN1456430A
CN1456430A CN 02118793 CN02118793A CN1456430A CN 1456430 A CN1456430 A CN 1456430A CN 02118793 CN02118793 CN 02118793 CN 02118793 A CN02118793 A CN 02118793A CN 1456430 A CN1456430 A CN 1456430A
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CN
China
Prior art keywords
polypropylene
maleic anhydride
promoting agent
graft copolymerization
graft
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Pending
Application number
CN 02118793
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Chinese (zh)
Inventor
王雅珍
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Individual
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Individual
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Publication date
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Priority to CN 02118793 priority Critical patent/CN1456430A/en
Publication of CN1456430A publication Critical patent/CN1456430A/en
Pending legal-status Critical Current

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  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Graft Or Block Polymers (AREA)

Abstract

A compatibilizer for the graft reaction of polypropylene to maleic acid anhydride in order to increase high graft rate and preventing degradation of polypropylene features use of oleic acid as the second monomer to increase the graft rate of maleic acid anhydride to 3-5 %.

Description

Promoting agent for graft copolymerization of polypropylene with maleic anhydride
The invention belongs to polymeric material field, particularly a kind of preparation of promoting agent for graft copolymerization of polypropylene with maleic anhydride.
At present, the report of domestic relevant polypropylene grafted modification is a lot, in the polypropylene grafted maleic anhydride process, selects for use acrylic acid, methyl methacrylate, styrene etc. to improve percent grafting as second grafted monomers, but serious at the process of grafting degradation of polypropylene, and percent grafting is not high yet.
The purpose of this invention is to provide a kind of percent grafting height, degradation of polypropylene is little, polarity is big promoting agent for graft copolymerization of polypropylene with maleic anhydride.
The object of the present invention is achieved like this: with 0.1-1 part cumyl peroxide, 0.1-1 the diphenyl peroxide formic acid of part, 1-10 part maleic anhydride, 1-10 part oleic acid, 80-90 part polypropylene stirred 5 minutes at high-speed mixer, made mixing of materials even, in double screw extruder, carry out melting graft reaction, reaction temperature is between 180-200 ℃, carries out water-cooled, drying, pelletizing then, promptly gets promoting agent for graft copolymerization of polypropylene with maleic anhydride.
The invention has the advantages that with oleic acid can reach 3-5% as the percent grafting that second monomer improves maleic anhydride, and reduced polyacrylic degraded, polyacrylic melt index is constant before and after the reaction.

Claims (1)

1, a kind of polypropylene grafted rare maleic anhydride compatilizer is that material mixes through high-speed mixer, in double screw extruder, carry out melting graft reaction, carrying out water-cooled, drying, pelletizing then makes, its characteristic formula is: 0.1-1 part cumyl peroxide, 0.1-1 the diphenyl peroxide formic acid of part, 1-10 part maleic anhydride, 1-10 part oleic acid, 80-90 part polypropylene.
CN 02118793 2002-05-10 2002-05-10 Promoting agent for graft copolymerization of polypropylene with maleic anhydride Pending CN1456430A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 02118793 CN1456430A (en) 2002-05-10 2002-05-10 Promoting agent for graft copolymerization of polypropylene with maleic anhydride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 02118793 CN1456430A (en) 2002-05-10 2002-05-10 Promoting agent for graft copolymerization of polypropylene with maleic anhydride

Publications (1)

Publication Number Publication Date
CN1456430A true CN1456430A (en) 2003-11-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 02118793 Pending CN1456430A (en) 2002-05-10 2002-05-10 Promoting agent for graft copolymerization of polypropylene with maleic anhydride

Country Status (1)

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CN (1) CN1456430A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100349937C (en) * 2005-06-28 2007-11-21 茂名众和化塑有限公司 Cellulosine plastic composite compatiblizing agent and method for making same
CN100443518C (en) * 2006-09-06 2008-12-17 江苏工业学院 Method of palliating degradation degree in polypropylene fusion graft process
CN101591416B (en) * 2008-05-28 2011-09-14 上海科领实业有限公司 Environmental-friendly polypropylene compatilizer preparation method
CN102329405A (en) * 2011-06-22 2012-01-25 华东理工大学 Preparation method of continuous high-melt-strength polypropylene based on grafting reaction

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100349937C (en) * 2005-06-28 2007-11-21 茂名众和化塑有限公司 Cellulosine plastic composite compatiblizing agent and method for making same
CN100443518C (en) * 2006-09-06 2008-12-17 江苏工业学院 Method of palliating degradation degree in polypropylene fusion graft process
CN101591416B (en) * 2008-05-28 2011-09-14 上海科领实业有限公司 Environmental-friendly polypropylene compatilizer preparation method
CN102329405A (en) * 2011-06-22 2012-01-25 华东理工大学 Preparation method of continuous high-melt-strength polypropylene based on grafting reaction

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