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Cyclic olefin copolymer with polar group and preparation method thereof

A technology of cyclic olefin copolymer and polar group, which is applied in the field of cyclic olefin copolymer and its preparation, and achieves the effect of high heat resistance and good compatibility

Inactive Publication Date: 2009-12-30
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this approach will not affect the insertion efficiency of cycloolefin monomers, the functionalization of COC must be achieved through subsequent reactions.

Method used

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  • Cyclic olefin copolymer with polar group and preparation method thereof
  • Cyclic olefin copolymer with polar group and preparation method thereof
  • Cyclic olefin copolymer with polar group and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Example 1: Protection of polar comonomer 3-buten-1-ol monomer

[0042] First cool 50ml of TIBA in a mixed solution of dry ice and acetone for half an hour, then dilute 17ml of 3-buten-1-ol with 30ml of hexane, slowly pour it into TIBA, and react at -78°C for 1 hour. It was then stirred at room temperature for 3 hours, and finally the hexane was removed in vacuo to obtain TIBA-protected 3-buten-1-ol comonomer in the form of oil, named as B.

Embodiment 2

[0043] Example 2: Protection of Polar Comonomer 10-Undecen-1-ol Monomer

[0044] First cool 50ml TIBA in a mixed solution of dry ice and acetone for half an hour, then dilute 39.5ml 10-undecen-1-ol and 30ml hexane, and slowly pour it into TIBA, and react at -78°C for 1 hour, It was then stirred at room temperature for 3 hours, and finally the hexane was removed in vacuo to obtain an oily TIBA-protected 10-undecen-1-ol comonomer, named U.

Embodiment 3

[0046] Dissolve 1.7ml of refined norbornene in 50ml of refined toluene to form a solution. This solution was added to a 100 ml tank reactor previously flushed with nitrogen, and the solution was saturated with ethylene by punctured with ethylene (1 atm) several times. Then, 2 ml of the monomer B prepared in Example 1, 1.8 ml of toluene solution with a concentration of 1.72 mol / liter of methylalumoxane, and 0.8 mg of rac-vinyl-(diindenyl)-zirconium dichloride were added successively. Polymerize at 70°C for 30 minutes under stirring conditions; during the polymerization process, ethylene is supplemented and metered, and the pressure is controlled at 1 atmosphere. After the reaction was over, the reaction solution was poured into ethanol for precipitation and then filtered. After the filter cake was washed with ethanol, it was dried to obtain 1.9 grams of polymer with a catalyst activity of 1.9×10 6 g / (mole zirconium·hour). The physical properties of the polymers are listed in ...

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Abstract

The invention relates to a cyclic olefin copolymer with polar group and a preparation method thereof. The cyclic olefin copolymer comprises the components by molar percent: 20-79.5% of cyclic olefin monomer with general formula I and / or general formula II, 20-79.5% of non-cyclic-olefin monomer with general formula III, and 0.5-20% of polar non-cyclic-olefin monomer with general formula IV. The preparation method of the cyclic olefin copolymer adopts a solution polymerization method; the cyclic olefin monomer, the non-cyclic-olefin monomer and the polar non-cyclic-olefin monomer protected by triisobutyl aluminium are added into a reaction kettle under the condition that metallocene main catalyst and alkyl aluminium catalyst accelerator exist, and then are stirred for polymerization reaction at the temperature of 30-100 DEG C under the atmospheric pressure of 1-100. The prepared cyclic olefin copolymer which has high content of cyclic olefin and the polar group has high heat resistance and cohesive property as well as good compatibility of organic matters.

Description

technical field [0001] The invention relates to a cycloolefin copolymer with a polar group and a preparation method thereof, in particular to a method for preparing a cycloolefin copolymer with a polar functional group by solution polymerization. Background technique [0002] Cyclic-Olefin (co)polymers, referred to as COC (Cyclic-Olefin Copolymers), are a class of high value-added thermoplastic engineering plastics formed by (co)polymerizing cyclic olefins. COC resin has high transparency, extremely low dielectric constant, excellent moisture barrier, heat resistance, chemical stability and dimensional stability, and has been widely used in the manufacture of various optical lenses, automotive headlights, LCD Components, electronic and electrical components, pharmaceutical and food packaging materials, etc. There are two production processes of COC: the addition polymerization process using metallocene catalysts and the ring-opening metathesis polymerization process (ROMP)....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F232/04C08F232/08C08F2/06C08F4/6592C08F210/08C08F210/14C08F210/16
Inventor 曹堃姚臻刘少杰戴斌斌
Owner ZHEJIANG UNIV
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