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Plasticizer composition, resin composition, and preparing methods therefor

A resin composition, the technology of the composition, applied in the direction of coating, etc., can solve the problems of poor workability, high viscosity, low processability, etc.

Inactive Publication Date: 2017-12-01
LG CHEM LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] As an example, among plasticizer compositions applicable to PVC, when diisononyl terephthalate is used, high viscosity, low processability, poor plasticizing efficiency and poor workability are shown

Method used

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  • Plasticizer composition, resin composition, and preparing methods therefor
  • Plasticizer composition, resin composition, and preparing methods therefor
  • Plasticizer composition, resin composition, and preparing methods therefor

Examples

Experimental program
Comparison scheme
Effect test

preparation Embodiment 1

[0025] Preparation Example 1: Preparation of Diisononyl Terephthalate

[0026] 498.0 g of purified terephthalic acid (TPA), 1296 g of isononyl alcohol (INA) (TPA:INA molar ratio = 1.0:3.0) and 1.54 g (0.31 parts by weight relative to 100 parts by weight of TPA) of titanium-based The catalyst (tetraisopropyl titanate (TIPT)) was added to a 3L four-neck reactor equipped with a cooler, condenser, decanter, reflux pump, temperature controller, stirrer, etc., and the temperature of the reactor was Slowly increase to about 170°C. Produced water started to be generated at about 170°C, and the esterification reaction was carried out at a reaction temperature of about 220°C under atmospheric pressure for about 4.5 hours while continuously introducing nitrogen gas, and the reaction was terminated when the acid value reached 0.01.

[0027] After the reaction was completed, distillation extraction was performed under reduced pressure for 0.5 to 4 hours to remove unreacted raw materials. ...

preparation Embodiment 2

[0028] Preparation Example 2: Preparation of Diisobutyl Terephthalate

[0029] Use isobutanol instead of isononyl alcohol, react for 6 to 24 hours, use the same amount of methanesulfonic acid as the catalyst in Preparation Example 1, and carry out the same purification method as Preparation Example 1 to obtain p-benzene Diisobutyl dicarboxylate.

preparation Embodiment 3

[0030] Preparation Example 3: Preparation of Dibutyl Terephthalate

[0031] Dibutyl terephthalate was obtained in the same manner as in Preparation Example 2 except that butanol was used instead of isononanol.

[0032] Examples and Comparative Examples were prepared using the materials according to Preparation Examples 1 to 3 as follows.

[0033] [Table 1]

[0034] serial number

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Abstract

The present invention relates to a plasticizer, which is capable of improving physical properties, such as viscosity, transitivity, processability, or plasticizing efficiency, required for sheet formulation at the time of use as a plasticizer for a resin composition, by improving poor physical properties occurring due to structural limitations, and to a resin composition comprising the same. More specifically, the present invention provides a plasticizer composition containing diisononyl terephthalate- and butyl terephthalate-based compounds, a resin composition containing the plasticizer composition, and preparing methods therefor.

Description

technical field [0001] Cross References to Related Applications [0002] This application claims priority and benefit from Korean Patent Application No. 10-2015-0106763 filed on Jul. 28, 2015, the entire contents of which are incorporated herein by reference. technical field [0003] The invention relates to a plasticizer composition, a resin composition and a preparation method thereof. Background technique [0004] Typically, plasticizers form esters through the reaction of alcohols and polycarboxylic acids such as phthalic acid or adipic acid. In addition, considering domestic and international regulations on phthalate-based plasticizers that are harmful to humans, plasticizer compositions that can replace phthalate-based plasticizers, such as based on Terephthalate-based plasticizers, adipate-based plasticizers and other polymer-based plasticizers. [0005] At the same time, for the manufacture of flooring materials, calendered sheets, films and products produced...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08K5/12
CPCC08K5/12C08K2201/014C08L27/06C08K5/0016C09D127/06C09D131/04C08J5/18C08L101/00C08L2203/00C08L2203/202C08J2300/22C08L57/00C08L75/04
Inventor 金显圭李美然文正周金宙镐郑锡琥
Owner LG CHEM LTD
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