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Plasticizer, plasticizer composition, heat-resistant resin composition and preparation method thereof

A technology of composition and plasticizer, applied in the field of plasticizer, heat-resistant resin composition and its preparation, plasticizer composition, and can solve problems such as poor compatibility

Active Publication Date: 2016-04-20
LG CHEM LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, although these plasticizers have good heat resistance, the disadvantage is poor compatibility

Method used

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  • Plasticizer, plasticizer composition, heat-resistant resin composition and preparation method thereof
  • Plasticizer, plasticizer composition, heat-resistant resin composition and preparation method thereof
  • Plasticizer, plasticizer composition, heat-resistant resin composition and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0088] In a 5-neck round bottom flask equipped with a temperature sensor, mechanical stirrer, condenser, pourer and nitrogen purifier, 2.65 mol of terephthalic acid, 1.59 mol of 2-ethylhexanol and 6.36 mol of 2- The reaction mixture of propylheptanol was added to 0.0056mol of tetraisopropyltitanate as a catalyst, followed by reaction at 235°C for 4 hours.

[0089] After the reaction, the residual alcohol was extracted under reduced pressure, neutralized with sodium bicarbonate, washed with distilled water and dehydrated by distillation under reduced pressure, followed by passing through a filter to obtain an ester plasticizer composition as the plasticizer of the present invention combination.

[0090] GC-mass spectrometry analysis of the obtained plasticizer confirmed that the plasticizer contained compounds of formulas 1, 2 and 3, and that the weight ratio between the compounds was 25:2:73.

Embodiment 2

[0092] The same procedure as in Example 1 was repeated except for using a reaction mixture of 2.65 mol of terephthalic acid, 4.11 mol of 2-ethylhexanol, and 3.84 mol of 2-propylheptanol.

[0093] GC-mass spectrometry analysis of the obtained plasticizer confirmed that the plasticizer contained the compound of formula 1 as a main component, and the weight ratio between the compounds of formula 1, 2 and 3 was 52:2:46.

Embodiment 3

[0122] The same procedure as in Example 1 was repeated except that the compound represented by the following Formula 4 was added to the composition obtained in Example 1 so that the content of the compound of Formula 4 after mixing was 10 wt%.

[0123] [Formula 4]

[0124]

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Abstract

Disclosed are a plasticizer that, when used for a heat-resistant resin composition, improves elongation retention, enhances aging resistance and heat resistance, and exhibits superior tensile strength, tensile strength retention, heating loss or the like before and after heating, thus contributing to enhancement in physical properties of the heat-resistant resin, a plasticizer composition, a heat-resistant resin composition and a method for preparing the same.

Description

technical field [0001] The invention relates to a plasticizer, a plasticizer composition, a heat-resistant resin composition and a preparation method thereof. More specifically, the present invention relates to a plasticizer, a plasticizer composition, a heat-resistant resin composition, and a method for preparing the same, which improve elongation retention when the plasticizer is used in a heat-resistant resin composition Rate, enhance aging resistance and heat resistance, and show better tensile strength, tensile strength retention or heat loss before and after heating, etc., thus helping to enhance the physical properties of heat-resistant resins. Background technique [0002] In general, plasticizers are based on corresponding esters prepared by reaction of alcohols with polycarboxylic acids such as phthalic acid or adipic acid. Examples of commercially available primary plasticizers include: C 8 、C 9 and C 10 Adipate esters of alcohols, such as bis(2-ethylhexyl) ad...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K5/10C07C69/80C07C67/62C08L101/00C08J5/00
CPCC07C69/82C08K5/12C08K2201/014
Inventor 李美然高东铉金显圭郑茶苑李揆一
Owner LG CHEM LTD