Polymerizable composition, resin using the same, optical component and lens

A polymeric composition and resin technology, applied in the field of optical components and lenses, to achieve the effect of reducing yellowness and excellent transparency

Inactive Publication Date: 2009-05-27
MITSUI CHEM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Among the optical resins mentioned above, resins with a high refractive index and excellent transparency are required, but usually the resins may be colored yellow

Method used

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  • Polymerizable composition, resin using the same, optical component and lens
  • Polymerizable composition, resin using the same, optical component and lens
  • Polymerizable composition, resin using the same, optical component and lens

Examples

Experimental program
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Effect test

Embodiment

[0382] Hereinafter, the present invention will be more specifically described by way of preparation examples and examples, but the present invention is not limited to the following examples.

[0383] In the following examples, the glass transition temperature (Tg) is measured by the TMA penetration method, and is the temperature obtained from the intersection point of the TMA curve, which corresponds to the heat deformation initiation temperature.

preparation example 1

[0385] 3-Thietanol was synthesized according to the method described in Patent Document 3 (JP-A-2003-327583).

[0386] Furthermore, using the obtained 3-thietanol, 3-mercaptothietane was synthesized. That is, 190 g of thiourea, 253 g of 35% hydrochloric acid aqueous solution, and 250 g of water were added to a reactor equipped with a stirring device and a thermometer, and 156 g of 3-thietanol was added dropwise to the stirred reaction solution over 1 hour. After stirring at 30° C. for 24 hours to react, 177 g of 24% ammonia water was added dropwise over 1 hour. After further reacting at 30° C. for 15 hours, it was left still, and the organic layer (lower layer) was taken out to obtain 134 g of a crude product. The resulting crude product was distilled under reduced pressure, and fractions with a boiling point of 40°C / 106 Pa were collected to obtain the target 3-mercaptothietane as a colorless transparent liquid.

preparation example 2

[0388] (preparation of the compound represented by CMPD. (compound) No.1-1 in the above Table 1)

[0389]11.15 g (0.105 mol) of 3-mercaptothietane was added to 50 g of pure water, and then 41.2 g (0.103 mol) of 10% NaOH aqueous solution was added dropwise at room temperature over 40 minutes. Then, the temperature of the reaction liquid was raised to 30° C., and 65.2 g (corresponding to 0.025 mol of tin tetrachloride) of a 10% tin tetrachloride aqueous solution was added dropwise over 4 hours at the same temperature. After the dropwise addition was completed, it was further stirred at the same temperature for 2 hours. 100 ml of chloroform was added to the reaction mixture, and liquid separation was performed into an organic layer and an aqueous layer. The organic layer was washed twice with 100 ml of pure water, and then dried over anhydrous sodium sulfate. The solvent was distilled off from this extract to obtain 13.40 g (yield 99%) of the compound represented by CMPD.No.1-1...

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Abstract

Disclosed is a polymerizable composition containing a compound represented by the general formula (1) below and a blueing agent. (In the general formula (1) below, M represents a metal atom; X1 and X2 independently represent a sulfur atom or an oxygen atom; R1 represents a divalent organic group; m represents 0 or an integer of not less than 1; p represents an integer of not less than 1 but not more than n; n represents the valence of the metal atom M; Y's independently represent an inorganic or organic residue, and when n-p is not less than 2, Y's may combine together to form a ring containing the metal atom M.

Description

technical field [0001] The present invention relates to a polymerizable composition, a resin obtained by polymerizing the polymerizable composition, and an optical component and lens obtained from the resin. Background technique [0002] Inorganic glass is used as a transparent material in various fields due to its excellent properties such as excellent transparency and small optical anisotropy. However, inorganic glass has disadvantages such as heavy weight, easy breakage, and poor productivity when molding to obtain products. As a raw material instead of inorganic glass, transparent organic polymer materials (optical resins) are used. Examples of optical components obtained from the above-mentioned optical resins include eyeglass lenses for vision correction and plastic lenses such as lenses for photographing equipment such as digital cameras, etc., which have been put into practical use and are attempted to spread. Especially in the application of spectacle lenses for vi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L81/02G02B1/04
Inventor 宇杉真一中村光雄成濑洋大辻淳夫高后修林秀俊小林诚一
Owner MITSUI CHEM INC
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