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Polymer, method of preparation and use thereof

A polymer, alkyl technology, used in instruments, prostheses, optical components, etc., can solve the problem of the preparation method to be improved, and achieve the effect of foldable visual effect, excellent mechanical properties, and good spectral transmittance

Active Publication Date: 2022-02-15
DONGGUAN HEC MEDICAL INTELLIGENT DEVICE R&D CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the polymers currently used to make ocular medical devices and their preparation methods still need to be improved

Method used

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  • Polymer, method of preparation and use thereof
  • Polymer, method of preparation and use thereof
  • Polymer, method of preparation and use thereof

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach

[0128] The solutions of the present invention will be explained below in conjunction with examples. Those skilled in the art will understand that the following examples are only for illustrating the present invention and should not be considered as limiting the scope of the present invention. If no specific technique or condition is indicated in the examples, it shall be carried out according to the technique or condition described in the literature in this field or according to the product specification. The reagents or instruments used were not indicated by the manufacturer, and they were all commercially available conventional products.

[0129] In the examples described below, all temperatures are in degrees Celsius unless otherwise stated. The reagents used can be purchased from the market or can be prepared by the method described in the present invention.

[0130] The compounds of the present invention have been submitted to the State Intellectual Property Office of C...

Embodiment 1

[0131] The preparation of embodiment 1 polymer A-1

[0132] Compound (0.1500g) shown in formula (1), compound (0.8500g) shown in formula (27), 1,4-butanediol diacrylate (0.0350g), 2-(2H-benzotriazole- 2-yl)-4-methyl-6-(2-propenyl)phenol (0.0150g) and bis(4-tert-butylcyclohexyl)peroxydicarbonate (0.0100g) were mixed uniformly. The raw mixture is then transferred into a mold consisting of two layers of glass sandwiching a Teflon sheet, which is then placed in an oven. The temperature was raised to 65° C., and after heating for 3 hours, the temperature was further raised to 100° C. and kept for 3 hours to obtain a transparent elastic polymer. The obtained polymer was subjected to Soxhlet extraction with ethanol to remove residual monomers or oligomers, and then vacuum-dried at 60° C. for 24 hours to obtain the titled polymer A-1.

Embodiment 2

[0133] The preparation of embodiment 2 polymer A-2

[0134] Compound (0.6000g) shown in formula (1), compound (0.4000g) shown in formula (22), 1,4-butanediol diacrylate (0.0350g), 2-(2H-benzotriazole- 2-yl)-4-methyl-6-(2-propenyl)phenol (0.0150g) and bis(4-tert-butylcyclohexyl)peroxydicarbonate (0.0100g) were mixed uniformly. The raw mixture is then transferred into a mold consisting of two layers of glass sandwiching a Teflon sheet, which is then placed in an oven. The temperature was raised to 65° C., and after heating for 3 hours, the temperature was further raised to 100° C. and kept for 3 hours to obtain a transparent elastic polymer. The resulting polymer was removed by Soxhlet extraction with ethanol to remove residual monomers or oligomers, and then vacuum-dried at 60° C. for 24 hours to obtain the titled polymer A-2.

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Abstract

The invention proposes a polymer, a preparation method and an application thereof. The monomers constituting the polymer include: a first monomer and a second monomer. The polymer having the above-mentioned first monomer and the second monomer has a higher refractive index, better spectral transmittance and excellent mechanical properties. Therefore, when using the polymer to prepare ocular medical devices, it can A relatively ideal device performance can be achieved under a small thickness, which is conducive to the implantation of ocular medical devices with a small surgical incision.

Description

technical field [0001] The invention relates to the field of ophthalmic medical devices, in particular to a polymer, a preparation method and an application thereof. Background technique [0002] Ocular medical devices, such as intraocular lenses, contact lenses, artificial corneas, intracorneal rings, or intracorneal lenses, are artificial materials or lenses that can be implanted in the eye. The above-mentioned eye medical devices are mainly used to replace the natural lens in the human eye that becomes cloudy due to diseases such as cataract, or to correct the vision of the human eye through wearing, refractive surgery and other means. IOLs usually consist of a circular optic and surrounding supports. Wherein, the optical part is made of transparent polymer material. IOLs made of soft polymers, often called collapsible IOLs, are folded or rolled and inserted into the eye through a small surgical incision. The collapsible IOL unfolds automatically after entering the eye ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F220/30C08F222/14A61L27/18A61L27/50G02B1/04
CPCC08F220/30A61L27/18A61L27/50G02B1/041G02B1/043A61L2430/16C08F220/302C08L33/14C08F222/103
Inventor 李德珊康小林曹立
Owner DONGGUAN HEC MEDICAL INTELLIGENT DEVICE R&D CO LTD