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Long-carbon-chain acid n-butyl ester, preparation method and application thereof, and plasticizer containing the long-carbon-chain acid n-butyl ester

A carbon-chain acid n-butyl and n-butyl technology, which is applied in the preparation of carboxylic acid esters, chemical instruments and methods, and the preparation of organic compounds, can solve the problems of poor low-temperature softness, poor plasticizing effect, and relative Poor compatibility and other problems, to achieve good plasticizing effect, avoid waste of resources, and good compatibility

Active Publication Date: 2020-06-12
CATHAY R&D CENT CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Dibasic acid ester plasticizers in the prior art have the problems of poor compatibility with polymers, poor plasticizing effect, and poor low-temperature flexibility of plasticized polymers

Method used

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  • Long-carbon-chain acid n-butyl ester, preparation method and application thereof, and plasticizer containing the long-carbon-chain acid n-butyl ester
  • Long-carbon-chain acid n-butyl ester, preparation method and application thereof, and plasticizer containing the long-carbon-chain acid n-butyl ester
  • Long-carbon-chain acid n-butyl ester, preparation method and application thereof, and plasticizer containing the long-carbon-chain acid n-butyl ester

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Long carbon chain acid n-butyl ester comprises the following components by weight: 6.55 parts of dibutyl sebacate, 11.03 parts of dibutyl undecane dibasic acid, 38.56 parts of dibutyl dodecane dibasic acid, 39.01 parts of dibutyl tridecane dibasic acid, 3.61 parts of dibutyl tetradecane dibasic acid, 0.53 parts of dibutyl pentadecane dibasic acid.

[0030] Each component was weighed in parts by weight, stirred and mixed evenly at room temperature, and the n-butyl long carbon chain acid of Example 1 was obtained.

Embodiment 2

[0032] Long carbon chain acid n-butyl ester, including the following components by weight: 14.91 parts of dibutyl undecane dibasic acid, 40.12 parts of dibutyl dodecane dibasic acid, dibutyl tridecane dibasic acid 39.88 parts, 4.32 parts of dibutyl tetradecane dibasic acid, 0.36 parts of dibutyl pentadecane dibasic acid.

[0033]Each component was weighed in parts by weight, stirred and mixed evenly at room temperature, and the n-butyl long carbon chain acid of Example 2 was obtained.

Embodiment 3

[0035] Long carbon chain acid n-butyl ester, including the following components by weight: 7.93 parts of dibutyl sebacate, 21.56 parts of dibutyl undecane dibasic acid, 35.88 parts of dibutyl dodecane dibasic acid, 31.71 parts of dibutyl tridecane dibasic acid, 2.01 parts of dibutyl tetradecane dibasic acid, 0.29 parts of dibutyl pentadecane dibasic acid.

[0036] Each component was weighed in parts by weight, stirred and mixed evenly at room temperature, and the n-butyl long carbon chain acid of Example 3 was obtained.

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Abstract

The invention discloses long-carbon-chain acid n-butyl ester, a preparation method and application thereof and a plasticizer containing the long-carbon-chain acid n-butyl ester. The long-carbon-chainacid n-butyl ester comprises any one or more of compounds represented by a general formula CH3CH2CH2CH2OOC-R-COOCH2CH2CH2CH3, with R being -(CH2)m<->, and the m being greater than or equal to 8 and less than or equal to 16. All the components of the long-carbon-chain acid n-butyl ester composition have a synergistic effect, and when the long-carbon-chain acid n-butyl ester composition is used as aplasticizer, the polymer has good tensile strength, elongation at break and low-temperature flexibility. The long-carbon-chain acid n-butyl ester has good compatibility with the polymer, and the plasticizing effect is good. The long-carbon-chain acid n-butyl ester can be obtained by carrying out butyl esterification reaction on a mixture containing long-carbon-chain dicarboxylic acid, which is discharged in the process of extracting and refining the long-carbon-chain dicarboxylic acid from long-chain dicarboxylic acid fermentation liquor. The long-carbon-chain acid n-butyl ester can also be obtained by uniformly mixing commercially available long-chain dibasic acid butyl ester, and can also be obtained by carrying out a butyl esterification reaction on long-carbon-chain dicarboxylic acid.

Description

technical field [0001] The invention relates to n-butyl long-carbon-chain acid and its application as a cold-resistant plasticizer. Background technique [0002] Plasticizers generally refer to a class of small molecular substances with high boiling point, low volatility, and miscibility with polymers, which have the behavior of changing the mechanical properties of polymers. The main function of the plasticizer is to weaken the secondary bond between the polymer molecules, that is, the van der Waals force, thereby increasing the mobility of the polymer molecular chain, reducing the crystallinity of the polymer molecular chain, increasing the plasticity of the polymer, and the performance The hardness, modulus, softening temperature and embrittlement temperature of the polymer decrease, while the elongation, flexibility and flexibility increase. Plasticizers can be some high-boiling, non-volatile viscous liquids or low-melting solids, which generally do not chemically react...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C67/08C07C69/604C08K5/109C08L27/06
CPCC07C67/08C08K5/109C07C69/604C08L27/06
Inventor 樊爱龙周喜龙蒋瑞翔张淑华刘修才
Owner CATHAY R&D CENT CO LTD