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Polar cycloalkene copolymer and preparation method thereof

A cyclic olefin copolymer and copolymer technology, applied in the field of cyclic olefin copolymers, can solve the problems of low glass transition temperature and low molecular weight, and achieve good thermal and mechanical properties, good polarity and low water contact angle. Effect

Active Publication Date: 2018-10-02
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a polar cyclic olefin copolymer with higher molecular weight and higher glass transition temperature and its preparation method

Method used

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  • Polar cycloalkene copolymer and preparation method thereof
  • Polar cycloalkene copolymer and preparation method thereof
  • Polar cycloalkene copolymer and preparation method thereof

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preparation example Construction

[0030] The present invention also provides a preparation method of a polar cycloolefin copolymer, the method comprising: in an organic solvent, in the presence of a catalyst, the compound represented by formula (1'), the compound represented by formula (2') Compound and compound A carry out solution polymerization reaction; Wherein, described compound A is the R in the compound shown in formula (3') 3 The compound after group is protected by protecting agent; In the obtained copolymer, take the total structural unit molar weight in the described copolymer as a basis, the content of the structural unit shown in formula (1) is 40-75mol%, formula (2 The content of the structural unit shown in ) is 20-40mol%, and the content of the structural unit shown in formula (3) is 5-30mol%;

[0031]

[0032] Among them, each R 1 each independently selected from H and C1-C10 alkyl; R 2 selected from H, a C1-C10 hydrocarbon group containing an unsaturated double bond or a C1-C10 alkyl gr...

preparation example 1

[0107] The preparation method of two (salicylaldehyde pentafluoroaniline) titanium dichloride comprises:

[0108] (1) In 50mL toluene solvent, under the condition of 120 ℃, carry out condensation reaction of salicylaldehyde and pentafluoroaniline according to the molar ratio of 1:1 (the total amount is 0.05mol) for 10h to prepare the catalyst ligand salicylaldehyde Pentafluoroaniline;

[0109] (2) Under anhydrous and oxygen-free conditions at room temperature (about 25°C), in 30mL of dichloromethane solvent, salicylaldehyde pentafluoroaniline and bis(tetrahydrofuran)titanium dichloride in a molar ratio of 2:1 (the total amount is 0.003 mol) complexation reaction was carried out for 12 hours to prepare the final target product bis(salicylaldehyde pentafluoroaniline)titanium dichloride.

preparation example 2

[0111] The preparation method of two (3,5-methyl salicylaldehyde pentafluoroaniline) titanium dichloride comprises:

[0112] (1) In 50mL of toluene solvent, under the condition of 120°C, condense 3,5-methyl salicylaldehyde and pentafluoroaniline according to the molar ratio of 1:1 (the total amount is 0.05mol) for 10h to prepare Catalyst ligand 3,5-methyl salicylaldehyde pentafluoroaniline;

[0113] (2) Under anhydrous and oxygen-free conditions at room temperature (about 25°C), in 30mL of dichloromethane solvent, 3,5-methyl salicylaldehyde pentafluoroaniline and bis(tetrahydrofuran)titanium dichloride are mixed according to moles The ratio of 2:1 (the total amount is 0.003 mol) was carried out for 12 hours for the complexation reaction to prepare the final target product bis(3,5-methylsalicylaldehyde pentafluoroaniline)titanium dichloride.

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Abstract

The invention relates to the field of cycloalkene copolymers, in particular to a polar cycloalkene copolymer and a preparation method thereof. The polar cyclic cycloalkene copolymer comprises a structural unit shown in formula (1), a structural unit shown in formula (2) and a structural unit shown in formula (3), wherein, based on the molar amount of the total structural unit in the copolymer, thecontent of the structural unit shown in formula (1) is 40-75mol%, the content of the structural unit shown in formula (2) is 20-40mol%, and the content of the structural unit shown in formula (3) is5-30mol%. The polar cycloalkene copolymer has high molecular weight and high glass transition temperature, so that better thermal property and mechanical property are obtained.

Description

technical field [0001] The invention relates to the field of cyclic olefin copolymers, in particular to a polar cyclic olefin copolymer and a preparation method thereof. Background technique [0002] Cyclic olefin copolymers (COC for short) are widely used in the field of optical components, such as optical lenses, DVDs and CDs with high storage capacity, because of their high transparency, high heat resistance, high refractive index and excellent processing properties. In addition, it can also be used in the fields of electronic parts and medical device manufacturing. [0003] For the cycloolefin copolymer obtained by copolymerizing cycloolefin monomer and ethylene, due to the lack of polar groups, it is subject to many restrictions in terms of adhesion, compatibility and modification. There are three ways to introduce polarity into cycloolefin copolymers: post-treatment method, pre-treatment method and direct copolymerization method. Although the post-treatment method ca...

Claims

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Application Information

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IPC IPC(8): C08F210/02C08F232/08C08F4/642
CPCC08F210/02C08F232/08C08F2500/02C08F2500/03C08F4/6428
Inventor 李良杰韩书亮解希铭吴宁郝建国陈淑明
Owner CHINA PETROLEUM & CHEM CORP
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