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Sucrose aromatic monocarboxylic acid ester

A monocarboxylate, aromatic technology, applied in the field of extender, sucrose aromatic monocarboxylate, can solve the problem of not being absolutely satisfactory, and achieve excellent thermal stability, inhibit coloring, and improve odor. Effect

Active Publication Date: 2013-08-21
DAI ICHI KOGYO SEIYAKU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no absolute satisfaction for the improvement of the bad smell

Method used

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  • Sucrose aromatic monocarboxylic acid ester
  • Sucrose aromatic monocarboxylic acid ester
  • Sucrose aromatic monocarboxylic acid ester

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0127]

[0128] Put 34.2 parts of sucrose and 70 parts of water into a 1L five-necked flask equipped with a stirring rod, a thermometer, a condenser, a dropping funnel, and a pH electrode connected to a pH meter, and dissolve them, then cool to 10°C in a water bath Thereafter, 100 parts of cyclohexanone containing 75.0 parts of benzoyl chloride (1) were slowly added. Thereafter, 48.5 parts of 48% sodium hydroxide aqueous solution was added from the dropping funnel at a rate of keeping the pH at 10-11 while keeping the temperature at 20° C. or lower. Remove the water bath, keep stirring at room temperature of 20-30°C for 1 hour, ripen, and complete the reaction, then add a certain amount of sodium carbonate, heat, and convert a small amount of residual benzoyl chloride into sodium benzoate. Then, it was allowed to stand for about 30 minutes, and the aqueous phase was separated and removed.

[0129] Add 70 parts of water again, heat up to 40-50° C. in a hot water bath, stir f...

Embodiment 2

[0132]

[0133] Except having used 82.1 parts of benzoyl chloride (1) and 53.1 parts of 48% aqueous sodium hydroxide solutions, and washing with water four times, it processed similarly to Example 1, and obtained the title sucrose benzoate.

Embodiment 3

[0135]

[0136] Except having used 93.7 parts of benzoyl chloride (1) and 60.6 parts of 48% aqueous sodium hydroxide solutions, and having washed with water twice, it processed similarly to Example 1, and obtained the title sucrose benzoate.

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Abstract

The invention provides a sucrose aromatic monocarboxylic acid ester of formula (I) having small impurities (in the formula, from R1 to R5 independently selected from groups of hydrogen atoms, alkyl and alkoxy). Compared with an ester having small halogen, the ester has excellent compatibility with amorphism resin and crystalline resin, can improve molding process property, physical property, softness, dent resistance and the like, can inhibit coloring caused by heating, is excellent in heat stability, and can be used as a resin modifier. The ester with small furfural and hydroxymethylfurfural can remove odor without reducing adhesive property of a 2-cyanoacrylate adhesion agent, thereby being used as an order removing extender.

Description

technical field [0001] The present invention relates to a sucrose aromatic monocarboxylate with a low content of predetermined impurities, and more particularly to a sucrose aromatic monocarboxylate with a small content of a halogen, and a sucrose aromatic monocarboxylate with a low content of furfural and hydroxymethylfurfural . [0002] The present invention (the first aspect of the present invention) which has a low halogen content relates to a sucrose aromatic monocarboxylic acid ester which is excellent in compatibility with amorphous resins and crystalline resins and improves their molding processability. , physical properties, flexibility, impact resistance, etc. are improved, and are useful as a resin modifier. The sucrose aromatic monocarboxylate can suppress coloring caused by heating and has excellent thermal stability. [0003] The present invention (the second aspect of the present invention) in which the content of furfural and hydroxymethylfurfural is low relat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07H13/08C07H1/00C08K5/1545C09J11/06
CPCC07H1/00C07H13/08C08K5/1545
Inventor 前多一大藤濑圭一畑俊一郎仓桥宏幸泉野谕松尾阳
Owner DAI ICHI KOGYO SEIYAKU CO LTD
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