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A kind of porphyrinated polystyrene elastomer and its preparation method and application

A technology of polystyrene and elastomer, which is applied in the field of organic photoelectric conversion materials, can solve the problems of serious pollution, high energy consumption in the preparation process, and high cost of inorganic photoelectric materials, and achieve the effects of wide sources, low cost, and easy processing and molding

Active Publication Date: 2021-08-27
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At the same time, the cost of inorganic photoelectric materials is high, the preparation process consumes a lot of energy, and the pollution is serious

Method used

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  • A kind of porphyrinated polystyrene elastomer and its preparation method and application
  • A kind of porphyrinated polystyrene elastomer and its preparation method and application
  • A kind of porphyrinated polystyrene elastomer and its preparation method and application

Examples

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preparation example Construction

[0048] Preparation of the organic photoelectric material of the present invention:

[0049] (1) Para-chloromethylation of benzene ring

[0050] The polystyrene elastomer is dissolved in chloroform solvent, and 1,4-dichloromethoxybutane is used as chloromethylation reagent. Under the catalysis of tin tetrachloride, the reaction is carried out in an ice-water bath for several hours to obtain chloromethyl. Alkylated polystyrene elastomer. The grafting rate of chloromethyl group increases with the prolongation of reaction time, and different chloromethyl grafting rates can be obtained by controlling different reaction times.

[0051] (2) Para-formylation of benzene ring

[0052] The chloromethylated polystyrene elastomer was dissolved in xylene solvent, DMSO was used as a mild oxidant, potassium iodide and sodium bicarbonate were added, and the reaction was carried out at 110 °C for 6 h to obtain the aldehyde-based polystyrene elastomer. The addition amount of the aldehyde-ylat...

Embodiment 1

[0055] Example 1 Organic optoelectronic material of the present invention

[0056] 1. Preparation of organic optoelectronic materials PPSEBS

[0057]

[0058] (1) CMSEBS was prepared by the para-chloromethylation of the benzene ring of SEBS

[0059]Dissolve 5.0 g of hydrogenated styrene butadiene block copolymer (SEBS) (molecular weight of 50,000) in 250 ml of chloroform solvent, and use 20 ml of 1,4-dichloromethoxybutane as the chloromethylation reagent. Under the catalysis of 4 ml of tin tetrachloride, in an ice-water bath for 2 h, the reaction obtains chloromethylated SEBS, which is recorded as CMSEBS.

[0060] (2) ALSEBS was prepared by the para-formylation of benzene ring

[0061] Dissolve 3.0 g of CMSEBS in 150 ml of xylene solvent, use 50 ml of DMSO as a mild oxidant, add 2.0 g of potassium iodide and 1.5 g of sodium bicarbonate, and react at 110 °C for 6 h to obtain aldehyde-based SEBS, denoted as ALSEBS.

[0062] (3) Porphyrination to prepare PPSEBS

[0063] Di...

Embodiment 2

[0078] Example 2 Organic optoelectronic material of the present invention

[0079] 1. Preparation of organic optoelectronic materials PPSEBS

[0080] (1) CMSEBS was prepared by the para-chloromethylation of the benzene ring of SEBS

[0081] Dissolve 5.0 g of hydrogenated styrene butadiene block copolymer (SEBS) (molecular weight of 50,000) in 250 ml of chloroform solvent, and use 20 ml of 1,4-dichloromethoxybutane as the chloromethylation reagent. Under the catalysis of 4 ml of tin tetrachloride, in an ice-water bath for 5 hours, the reaction obtains chloromethylated SEBS, which is recorded as CMSEBS.

[0082] (2) ALSEBS was prepared by the para-formylation of benzene ring

[0083] Dissolve 3.0g CMSEBS in 150ml xylene solvent, use 50ml DMSO as a mild oxidant, add 2.0g potassium iodide and 1.5g sodium bicarbonate, and react at 110°C for 6h to obtain aldehyde-based SEBS, denoted as ALSEBS.

[0084] (3) Porphyrination to prepare PPSEBS

[0085] Dissolve 1.0g ALSEBS in 100ml x...

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Abstract

The invention discloses a porphyrinated polystyrene elastomer, a preparation method and application thereof. The porphyrinated polystyrene elastomer is an organic photoelectric conversion material, and its preparation method is as follows: (1) Chloromethylation: successively dissolving polystyrene elastomer, chloromethylation reagent, and catalyst in chloroform, reacting Completely obtain chloromethylated polystyrene elastomer; (2) Aldehydization: dissolve chloromethylated polystyrene elastomer, dimethyl sulfoxide, potassium iodide, and sodium bicarbonate in xylene in sequence , the reaction is complete to obtain the formaldehyde-based polystyrene elastomer; (3) porphyrinization: successively dissolve the formaldehyde-based polystyrene-based elastomer, substituted or unsubstituted benzaldehyde, pyrrole, and lactic acid in xylene , The reaction is complete to obtain the porphyrinated polystyrene elastomer. When the porphyrin grafting rate of the organic photoelectric conversion material is within the specified range of 5% to 55%, the organic photoelectric conversion material has excellent photoelectric responsiveness while maintaining its elasticity and flexibility.

Description

technical field [0001] The invention belongs to the technical field of organic photoelectric conversion materials, and particularly relates to a porphyrinated polystyrene elastomer and a preparation method and application thereof. Background technique [0002] The sun is a huge energy reservoir, the solar energy received by the earth in a year is as high as 1.8 × 10 18 kWh. The purpose of research and development of photoelectric conversion materials is to utilize solar energy. The requirements of solar cells for photoelectric conversion materials are high conversion efficiency and large-area devices to better absorb sunlight. [0003] The used photoelectric conversion materials are mainly monocrystalline silicon, polycrystalline silicon and amorphous silicon. The devices made of these inorganic silicon-based photoelectric conversion materials are often hard profiles, lacking elasticity and flexibility, and cannot be folded and stretched repeatedly. , squeezing, crimping,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F8/30C08F8/28C08F8/24C08F297/04H01L51/42H01L51/46
CPCC08F8/30C08F8/28C08F8/24C08F297/04H10K85/151H10K30/00Y02E10/549Y02P70/50
Inventor 张爱民汤舒嵋徐雨
Owner SICHUAN UNIV
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