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Mixed type organic phosphate polypropylene nucleating agent and method for preparing the same

A polypropylene nucleating agent and organophosphate technology, applied in the field of polypropylene nucleating agent and its preparation, can solve the problems of poor adaptability, uneven mixing, complicated process, etc., to improve the flexural modulus and meet the requirements of flexibility , the effect of simplifying the process

Active Publication Date: 2006-07-19
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] One of the purposes of the present invention is to overcome the shortcomings of the existing polypropylene nucleating agent, which has poor adaptability and contains additives that have a negative impact on the performance of the nucleating agent, and to provide a mixed organophosphate polypropylene nucleating agent
[0006] The second object of the present invention is to overcome the disadvantages of complex process and uneven mixing in the existing preparation method of polypropylene nucleating agent, and to provide a preparation method of the above-mentioned mixed organophosphate polypropylene nucleating agent

Method used

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  • Mixed type organic phosphate polypropylene nucleating agent and method for preparing the same
  • Mixed type organic phosphate polypropylene nucleating agent and method for preparing the same
  • Mixed type organic phosphate polypropylene nucleating agent and method for preparing the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Weigh: 30 grams of bis(2,4 di-tert-butylphenoxy) phosphate, 19.2 grams of 2,2′-methylene-bis(4-methyl, 6-tert-butylphenoxy) phosphate , 10.8 grams of 2,2'-methylene-bis(4,6-di-tert-butylphenoxy) phosphate.

[0046] In a three-necked flask with a stirrer, add acetone and water at a volume ratio of 2:1 to obtain 400 ml of a mixed solvent, dissolve the above three organic phosphates in the mixed solvent, and add 24.8 ml of 30% NaOH aqueous solution to neutralize Salt formation, control the reaction temperature to 20 ℃, pH 10.2, after 30 minutes of reaction, evaporate the acetone, filter, wash the white solid obtained, vacuum dried at 90 ℃, to obtain a white solid powder, namely bis(2,4 di-tert Butylphenoxy) sodium phosphate, 2,2'-methylene-bis(4-methyl, 6-tert-butylphenoxy) sodium phosphate and 2,2'-methylene-bis(4, 6-di-tert-butyl phenoxy) sodium phosphate mixed type organic phosphate polypropylene nucleating agent.

Embodiment 2

[0048] Weigh: 16.8 grams of bis(2-tert-butyl, 4-methylphenoxy) phosphate, 2,2′-methylene-bis(4-methyl, 6-tert-butylphenoxy) phosphoric acid 21.6 g of ester and 9.6 g of 2,2'-methylene-bis(4,6-di-tert-butylphenoxy) phosphate.

[0049] In a three-necked flask with a stirrer, add acetone and water in a volume ratio of 2:1 to obtain 400 ml of a mixed solvent, dissolve the above three organic phosphates in the mixed solvent, and add 34.4 ml of 30% NaOH aqueous solution to neutralize Salt formation, control the reaction temperature to 28°C and pH to 9.8. After reacting for 30 minutes, distill off the acetone, filter and wash the white solid obtained with water, and then vacuum dry at 90°C to obtain a white solid powder, namely bis(2-tert-butyl) , 4-methylphenoxy) sodium phosphate, 2,2'-methylene-bis(4-methyl, 6-tert-butylphenoxy) sodium phosphate and 2,2'-methylene-bis (4,6-Di-tert-butylphenoxy) sodium phosphate mixed type organic phosphate polypropylene nucleating agent.

Embodiment 3

[0051] Weigh: 8.1 g of bis(2-tert-butyl, 4-methylphenoxy) phosphate, 15.12 g of bis(2,4 di-tert-butylphenoxy) phosphate, 2,2′-methylene 30.78 g of yl-bis(4,6-di-tert-butylphenoxy) phosphate.

[0052] In a three-necked flask with a stirrer, add acetone and water at a volume ratio of 2:1 to obtain 400 ml of a mixed solvent, dissolve the above three organic phosphates in the mixed solvent, and add 27.2 ml of 30% NaOH aqueous solution for neutralization Salt formation, control the reaction temperature to 34°C and pH to 8.5. After 30 minutes of reaction, distill off the acetone, filter and wash the white solid obtained with water, and then vacuum dry at 90°C to obtain a white solid powder, namely bis(2-tert-butyl) ,4-Methylphenoxy) sodium phosphate, bis(2,4 di-tert-butylphenoxy) sodium phosphate and 2,2'-methylene-bis(4,6-di-tert-butylphenoxy) ) Mixed organic phosphate polypropylene nucleating agent of sodium phosphate.

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Abstract

The provided new PP nucleating agent belongs to the mixture o a plurality if organic phosphates with diaryl group, can improves the bending modulus heat distortion temperature of AA resin obviously, can change and select different agent structure in same process lien and device to meet variable requests. This invention simplifies process.

Description

Technical field [0001] The invention relates to a polypropylene nucleating agent and a preparation method thereof, in particular to an organophosphate type polypropylene nucleating agent and a preparation method thereof. Background technique [0002] Substituted aryl organic phosphates are widely used as nucleation modifiers for polypropylene resins, and are used in the modification of polypropylene resins. Among them, substituted diaryl organic phosphates such as bis(2,4-di-tert-butylphenoxy) Sodium phosphate, 2,2'-methylene-bis(4,6-di-tert-butylphenoxy) sodium phosphate, etc., can significantly improve the processing properties of these resins. The literature "High performance of polypropylene-nucleating agent" ("Chemical Industry", 1999(8), p11) and "The effect of nucleating agent on the properties of polypropylene" ("Synthetic Resins and Plastics", 2001, 18( 4), 39-41) have detailed reports in this regard. [0003] According to the patent Ger offen DE 3,940,765A1 and the docu...

Claims

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Application Information

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IPC IPC(8): C08K5/521C08L23/12
Inventor 顾民张丽英吕静兰李伟张浩王小兰邵静波闫一凡
Owner CHINA PETROLEUM & CHEM CORP
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