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Resin composition and molded article produced from the composition
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A resin composition and compound technology, applied in information storage, instruments, optical recording heads, etc., can solve the problems of resin deterioration, difficulty in outdoor use, and decrease in transparency, and achieve deterioration suppression of optical properties, excellent weather resistance, and transparency excellent effect
Active Publication Date: 2009-09-02
MITSUI CHEM INC
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However, the transparency of conventional outdoor parts deteriorates due to resin deterioration during use, making it difficult to use outdoors
Method used
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[0503] Hereinafter, the present invention will be further specifically described based on examples. First, synthesis examples of hindered amine compounds used in Examples will be described.
[0504] (Hindered Amine Compounds)
Synthetic example 1
[0506] Exemplary compound 1 shown in chemical formula [13] (N, N'-dibutyl-, N"-lauryl-N, N'-bis-(1,2,2,6,6-pentamethyl-4 Synthesis of -piperidin-4-yl)-[1,3,5]-triazine-2,4,6-triamine (LTABM))
[0507] [Chemical 55]
[0508]
[0509] (1) Synthesis of N-butyl-2,2,6,6-tetramethylpiperidin-4-amine (TABA)
[0510] 2,2,6,6-Tetramethyl-4-piperidone (TAA) 108.67g (0.7mol), butylamine 53.76g (0.735g), 2% platinum carbon (50% aqueous product) 2.52g It was poured into 163.0 g of methanol, and the reaction was performed at 50° C. for 2.5 hours at a hydrogen pressure of 0.3 MPa. After filtering the catalyst, solvent removal and distillation were performed to obtain 127.93 g of the title compound as a colorless transparent liquid.
[0512] TABA127.42g (0.6mol) and 96% sodiumhydroxide 27.5g (0.66mol) are dropped in water 175g, after warming up to 60 DEG C, drop the cyanuri...
Synthetic example 2
[0517] Exemplary compound 2 shown in chemical formula [20] (N, N', N"-trilauryl-N, N'-bis-(2,2,6,6-tetramethylpiperidin-4-yl)- Synthesis of [1,3,5]-triazine-2,4,6-triamine (LTADA)
[0518] [Chemical 56]
[0519]
[0520] (1) Synthesis of N-dodecyl-2,2,6,6-tetramethyl-2-piperidin-4-amine (TADA)
[0521] 77.6g (0.5mol) of 2,2,6,6-tetramethyl-4-piperidone (TAA), 97.3g (0.525g) of laurylamine, 1.8g of 2% platinum carbon (50% aqueous product) It was poured into 116.4 g of methanol, and the reaction was performed at 50° C. for 2.5 hours at a hydrogen pressure of 0.3 MPa. After filtering the catalyst, the solvent was removed and distilled to obtain 152.8 g of the title compound as a yellowish liquid.
[0523] 10.0g (0.339mol) of TADA1 and 14.58g (0.35mol) of 96% sodiumhydroxide were dropped into 65g of water, and after the temperature was raised to 60°C, 30.43g (0....
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Abstract
The invention provides a resin composition comprising 100 parts by mass of a polymer having an alicyclic structure in at least a part of a repeating unit and 0.05 to 5 parts by mass of a hindered aminThe invention provides a resin composition comprising 100 parts by mass of a polymer having an alicyclic structure in at least a part of a repeating unit and 0.05 to 5 parts by mass of a hindered amine compound having a carbon atom at a ratio of 67 to 80 wt% inclusive in the molecular structure and having a molecular weight of 500 to 3500 inclusive; a novel piperidine derivative having a piperidyle compound having a carbon atom at a ratio of 67 to 80 wt% inclusive in the molecular structure and having a molecular weight of 500 to 3500 inclusive; a novel piperidine derivative having a piperidylaminotriazine skeleton; a molded article such as an optical component, which is produced by molding the resin composition; and an optical pickup device which utilizes the optical component.aminotriazine skeleton; a molded article such as an optical component, which is produced by molding the resin composition; and an optical pickup device which utilizes the optical component.
Description
technical field [0001] The present invention relates to a resin composition excellent in optical properties, a piperidine derivative having a piperidylaminotriazine skeleton, a molded article such as an optical component obtained by molding the resin composition, and an optical pickup device using the optical component. Background technique [0002] At present, optical pickup devices (also called optical pickup heads) for reproducing and recording information on optical information recording media (also called optical discs or media) such as CDs (compact discs) and DVDs (digital video discs or digital versatile discs) are being developed and manufactured. , optical pickup device, etc.), and are becoming popular. In addition, research and development have recently been conducted on the specifications of optical information recording media capable of recording information at higher densities. [0003] This kind of optical pickup device is to condense the light beam emitted fr...
Claims
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