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Organic phosphate rare earth salt nucleater, synthesis method and application thereof

An organic phosphate ester and synthesis method technology, which is applied in the fields of fine chemicals and polymer materials, can solve the problems of insignificant anti-reflection effect and high melting point, and achieve the effect of effective and feasible process, wide practicability and wide applicability

Inactive Publication Date: 2007-10-17
广东华南精细化工研究院有限公司 +1
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Organic phosphate salt has a planar structure of benzene ring, plus its functional group, has a good induction nucleation function, but its melting point is relatively high, generally above 300 ° C, which is higher than the melting temperature of the polymer, so it is anti-reflection The effect is not significant, mainly to improve the rigidity of the polymer

Method used

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  • Organic phosphate rare earth salt nucleater, synthesis method and application thereof
  • Organic phosphate rare earth salt nucleater, synthesis method and application thereof
  • Organic phosphate rare earth salt nucleater, synthesis method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0040] Embodiment 1: the synthesis of two (2,4-dimethylphenoxy) lanthanum phosphates

[0041] Add the ethanol solution that contains 306g two (2,4-dimethylphenoxy) phosphoric acid in reactor, its structural formula is as shown in general formula (IV), R 1 , R 2 For methyl. Under stirring, 20% sodium hydroxide aqueous solution containing 64 g of sodium hydroxide was added, and it was made to react at 80 degreeC for 2 hours. Then, a 20% aqueous solution of lanthanum chloride containing 343.7 g of lanthanum chloride was added, followed by stirring at normal temperature for 2 hours. After the reaction, filter, dry, and pulverize to obtain 440.3 g of bis(2,4-dimethylphenoxy)lanthanum phosphate.

Embodiment 2

[0042] Embodiment 2: the synthesis of 2,2'-methylene-bis(4,6-dimethylphenoxy)lanthanum phosphate

[0043] In reactor, add the ethanol solution that contains 318g 2,2'-methylene-bis(4,6-dimethylphenoxy)phosphoric acid, its structural formula is as shown in general formula (III), R 1 , R 2 For methyl. Under stirring, 20% sodium hydroxide aqueous solution containing 64 g of sodium hydroxide was added, and it was made to react at 100 degreeC for 1 hour. Then, a 15% aqueous solution of lanthanum chloride containing 368.25 g of lanthanum chloride was added, followed by stirring at 80° C. for 1 hour. After completion of the reaction, filter, dry, and pulverize to obtain 447.93 g of 2,2'-methylene-bis(4,6-dimethylphenoxy)lanthanum phosphate.

Embodiment 3

[0044] Embodiment 3: two (2, the synthesis of 4-di-tert-butylphenoxy) cerium phosphate

[0045] Add the methanol solution that contains 474g two (2,4-di-tert-butylphenoxy) phosphoric acid in the reactor, its structural formula is as shown in general formula (IV), R 1 , R 2 For tert-butyl. Under stirring, 20% sodium hydroxide aqueous solution containing 56 g of sodium hydroxide was added, and it reacted at 80 degreeC for 2 hours. Then, 20% cerium chloride aqueous solution containing 394.8g of cerium chloride was added, and it stirred at normal temperature for 2 hours. After the reaction, filter, dry, and pulverize to obtain 620.78 g of bis(2,4-di-tert-butylphenoxy)cerium phosphate.

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Abstract

The present invention relates to nucleating agent of crystallized polymer and its synthesis process which comprise: dissolving substituted diaryl phosphoric acid containing substituted alkyl R1 and R2 in alcosol, adding the alkaline liquor step by step and stirring under heating condition, adding stepwisely rare-earth salt chloride aqueous solution, filtering, drying and crushing, obtaining final product. The present invention introduces light rare earth element in organic phosphate, mainly lanthanum, cerium, to form organic phosphate rare earth salt. The inventive product is nontoxic, safe and stable. The nucleating effect of the inventive product is invariable. The inventive product has relatively high crystal form conversion and nucleating agent which can be used in general plastic and engineered plastic.

Description

technical field [0001] The invention relates to the fields of fine chemical industry and polymer materials, in particular to a nucleating agent for crystalline polymers and a synthesis process thereof. Background technique [0002] The microscopic morphology of polymers can be divided into amorphous and crystalline states. The physical and mechanical properties and processing properties of general crystalline polymers are closely related to their crystal morphology. Therefore, any substance that can affect the crystal form of the polymer can effectively control the apparent mechanical properties and processing properties of the polymer. The most notable property of this type of substance is the nucleating agent. [0003] Nucleating agents are divided into inorganic nucleating agents and organic nucleating agents. Inorganic nucleating agents provide heterogeneous nucleation centers in the molten state of the polymer, and rely on heterogeneous crystal nuclei to grow during ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F5/00C08K5/521
Inventor 陈宇王朝晖
Owner 广东华南精细化工研究院有限公司
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