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Unsaturated fluorocarbon, preparation method and application thereof

A fluorocarbon and compound technology, applied in the field of polymer materials, can solve problems such as low glass transition temperature, poor multi-layering ability, and 5G communication terminal obstruction, and achieve excellent mechanical properties and dielectric properties, good heat resistance. Performance and mechanical properties, effect of excellent dielectric properties

Active Publication Date: 2019-03-29
GUANGDONG GUANGSHAN NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the multilayer ability of polytetrafluoroethylene materials is poor, which cannot meet the requirements of multilayer materials for 5G base station materials. At the same time, polytetrafluoroethylene materials are usually produced in large areas during preparation, and it is difficult to manufacture small-sized materials. Applications There are obstacles in 5G communication terminals
And the glass transition temperature of polytetrafluoroethylene is low, because high-power communication transmission will generate a lot of heat, so the stability of polytetrafluoroethylene also has defects

Method used

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  • Unsaturated fluorocarbon, preparation method and application thereof
  • Unsaturated fluorocarbon, preparation method and application thereof
  • Unsaturated fluorocarbon, preparation method and application thereof

Examples

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Embodiment 1

[0040] The present invention provides a kind of unsaturated fluorocarbon compound, its structure is as shown in formula I:

[0041]

[0042] The preparation method of the compound shown in formula I is: mix 1 mol perfluorododecanoic acid with 1.2 mol 4-vinyl-benzyl alcohol, add 100 mL of 0.1 mol / L sodium hydroxide solution, heat the reaction at 80 ° C for 2 h with mechanical stirring, and cool to room temperature, washed 5 times with 500 mL of water, separated, added anhydrous sodium sulfate, allowed to stand for 2 hours, and filtered to obtain the compound represented by formula I.

[0043] 1 H NMR (CDCl 3 ,500MHz): δ7.67~7.61(m, 2H, Ar-H), 7.35~7.27(m, 2H, Ar-H), 6.66~6.60(m, H, CH 2 =C H ), 5.63~5.57(t, H, C H 2 =CH), 5.25~5.19(s, 2H, CH 2 ), 5.21~5.16(t, H, C H 2 =CH).

Embodiment 2

[0045] The present invention provides a kind of unsaturated fluorocarbon compound, its structure is as shown in formula II:

[0046]

[0047] The preparation method of the compound shown in formula II is: mix 1mol perfluorobutyric acid with 1.2mol 2-methyl-1,4-dihydrobenzyl alcohol, add 100mL of 0.1mol / L sodium hydroxide solution, mechanically stir at 80°C Heat the reaction for 2.5 h, cool to room temperature, wash 5 times with 500 mL of water, separate the liquid, add anhydrous sodium sulfate, let stand for 2 h, and filter to obtain the compound shown in formula II.

[0048] 1 H NMR (CDCl 3 ,500MHz): δ5.88~5.82(m, H, CH=C H ), 5.41~5.35 (m, H, C H =CH), 5.22~5.18(t, H, C H =C), 4.28~4.22(s, 2H, CH 2 ), 3.48~3.42(d, H, CH), 2.69~2.60(t, 2H, CH 2 ), 1.85~1.80 (t, 3H, CH 3 ).

Embodiment 3

[0050] The present invention provides an unsaturated fluorocarbon compound, the structure of which is shown in formula X:

[0051]

[0052] The preparation method of the compound shown in formula III is as follows: 1.2 mol of perfluorooctanoic acid and 1 mol of methallyl alcohol are mixed, 20 mL of concentrated sulfuric acid is added, mechanically stirred and heated to reflux for 2.5 hours, cooled to room temperature, washed 5 times with 500 mL of water, separated, added without Sodium sulfate water, let stand for 2h, and filter to obtain the compound represented by formula III.

[0053] 1 H NMR (CDCl 3 ,500MHz): δ5.35~5.30(s, H, CH 2 =C), 5.21~5.15(s, H, CH 2 =C), 4.78~4.72(s, 2H, CH 2 ), 1.85~1.79 (s, 3H, CH 3 ).

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Abstract

The invention provides an unsaturated fluorocarbon, a preparation method and application thereof. A polymer material prepared from the unsaturated fluorocarbon has excellent dielectric and mechanicalproperties, also the preparation process is simple, the raw material price is low, the investment can be effectively reduced and the cost is lowered.

Description

technical field [0001] The invention belongs to the field of polymer materials and relates to an unsaturated fluorocarbon compound and its preparation method and application. Background technique [0002] 5G network is the fifth-generation communication network, and its performance is qualitatively superior to the 4G network technology used today. The progress of 5G network technology is obviously reflected in the transmission timeliness, coverage, and communication security of wireless signals. 5G network communication technology is deeply combined with other wireless mobile technologies to form a brand-new communication network to meet the increasing requirements of Internet mobile communication network speed. Moreover, 5G mobile network technology can also realize the mutual adjustment between intelligence and automation, and has a certain degree of flexibility. This is because the communication technology and wireless technology we use today have laid a good foundation ...

Claims

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Application Information

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IPC IPC(8): C07C67/08C07C69/63C08F112/14C08F132/06C08F116/14C08F118/12C08F132/08C08L25/18C08L45/00C08L29/10C08L31/02C08L83/07C08L57/02
CPCC07C67/08C07C69/63C08F112/14C08F116/14C08F118/12C08F132/06C08F132/08C08L25/18C08L29/10C08L31/02C08L45/00C07C2603/68C07C2601/16C08L2205/03C08L83/04C08L57/02Y02D30/70
Inventor 潘庆崇
Owner GUANGDONG GUANGSHAN NEW MATERIALS CO LTD
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