Optical resin monomer material and preparation method thereof

A technology of optical resins and monomers, applied in optics, optical components, instruments, etc., can solve problems such as pollution and inconvenient molding and processing, and achieve the effects of reducing pollution, facilitating control, and simple methods

Active Publication Date: 2008-12-10
山东鲁源化工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, dibutyl maleate, DAP-AEO and ADC copolymers are also used in ophthalmic lenses, but the refractive index of the copolymers is only 1.55, and DAIP-AEO is produced by the reaction of DAIP and ethylene glycol, which is obtained by copolymerization with ADC Resin lenses with a refractive index of 1.55-1.56, but the DAIP-AEO produced by the synthesis of DAIP and ethylene glycol is a fixed solid powder, which is inconvenient for molding and processing
And most of the optical resin materials currently produced and applied are sulfur-containing optical resins, and sulfur isocyanate, isothiocyanate and other chemicals with unpleasant odor and high volatility and toxicity are used in production. , the pollution is more serious

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The dimethyl terephthalate of 1200 parts by weight, the dimethyl isophthalate of 1200 parts by weight are mixed with the propylene alcohol of 2500 parts by weight, and the sodium carbonate of 15 parts by weight and the calcium hydroxide of 15 parts by weight are added as After the catalyst is reacted at 105°C, the generated methanol is separated through a rectification tower and the reaction is completed to obtain the intermediate product diallyl phthalate, and recover propylene alcohol for reuse, and then diallyl phthalate With 280 parts by weight of propylene glycol under the catalysis of 8 parts by weight of dibutyltin oxide to react under negative pressure and 150 ° C conditions to obtain oligomers, then add 100 parts by weight of dibutyl maleate and 200 parts by weight CR-39, after adjusting the refractive index, a colorless transparent viscous liquid optical resin material product is obtained. The weight ratio of each component in the optical resin material is: dia...

Embodiment 2

[0043] The dimethyl terephthalate of 900 parts by weight, the dimethyl isophthalate of 1400 parts by weight are mixed with the propylene alcohol of 1800 parts by weight, and the sodium carbonate of 14 parts by weight and the calcium hydroxide of 14 parts by weight are added as After the catalyst reacts at 110°C, the generated methanol is separated through a rectification tower and the reaction is completed to obtain the intermediate product diallyl phthalate, and recover allyl alcohol for reuse, and then mix the diallyl phthalate with The propylene glycol of 250 weight parts reacts under negative pressure and temperature under the condition of 130 ℃ under the catalysis of 4 weight parts of dibutyl tin oxide to obtain oligomer, then adds 80 weight parts of dibutyl maleate and 180 weight parts part of CR-39, after adjusting the refractive index, a colorless transparent viscous liquid optical resin material product is obtained, and the weight ratio of each component in the optical...

Embodiment 3

[0045] 1100 parts by weight of dimethyl terephthalate, 1600 parts by weight of dimethyl isophthalate, mixed with 2200 parts by weight of propylene alcohol, and added 16 parts by weight of K 2 CO 3 After reacting with 16 parts by weight of CaO as a catalyst at 125°C, the reaction ends after separating the generated methanol through a rectification tower to obtain the intermediate product diallyl phthalate, and reclaim propylene alcohol for reuse, and then benzene Diallyl acid and 270 parts by weight of propylene glycol react under negative pressure and 160°C under the catalysis of 6 parts by weight of dibutyltin oxide to obtain oligomers, and then add 90 parts by weight of dibutyl maleate ester and 220 parts by weight of CR-39, after adjusting the refractive index, a colorless transparent viscous liquid optical resin material product is obtained, and the weight ratio of each component in the optical resin material is: diallyl terephthalate 16, diallyl isophthalate 23, allyl es...

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Abstract

The invention discloses an optical resin monomer material and a preparation method thereof. The optical resin material takes the shape of an easily processed colorless transparent thick liquid, and the refractive index of copolymers consisting of the material can reach 1.56, thereby the optical resin material is used for producing a resin lens with a refractive index of 1.56; and the quality is high and the moulding processing of the lens is convenient. The method for preparing the optical resin material is easy and feasible and convenient to control; and offensive odor such as sulfuric isopropyl chlorate, isopropyl sulfuric chlorate and so on and toxic volatile chemical products can not be generated during the preparation process, thereby the environmental pollution is reduced.

Description

technical field [0001] The invention relates to optical resin materials, in particular to an optical material for making resin spectacle lenses and a preparation method thereof. Background technique [0002] Compared with glass lenses, resin lenses have the advantages of light weight, impact resistance, good dyeing performance, and easy processing. They are in a priority position in the competition of the glasses market. However, the resin lenses with the most domestic production and sales are 1.499 and 1.56. Refractive Index Series. [0003] At present, dibutyl maleate, DAP-AEO and ADC copolymers are also used in ophthalmic lenses, but the refractive index of the copolymers is only 1.55, and DAIP-AEO is produced by the reaction of DAIP and ethylene glycol, which is obtained by copolymerization with ADC Resin lenses with a refractive index of 1.55-1.56, but the synthetic DAIP and ethylene glycol-produced DAIP-AEO are fixed solid powders, which are inconvenient for molding a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F218/16G02B1/04C08F222/14
Inventor 冯仲善李庆山
Owner 山东鲁源化工科技有限公司
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