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Polyhedral oligomeric silsesquioxane phosphate nucleating agent as well as preparation method and application thereof

A silsesquioxane and siloxane technology, which is applied in the field of cage-type silsesquioxane phosphate nucleating agents and their preparation, can solve problems such as limitations, and achieve improved crystalline structure and increased crystallization temperature. , the effect of improving the nucleation efficiency

Inactive Publication Date: 2020-12-15
EAST CHINA UNIV OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, some shortcomings of polypropylene itself make it subject to certain restrictions in wider application fields.

Method used

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  • Polyhedral oligomeric silsesquioxane phosphate nucleating agent as well as preparation method and application thereof
  • Polyhedral oligomeric silsesquioxane phosphate nucleating agent as well as preparation method and application thereof
  • Polyhedral oligomeric silsesquioxane phosphate nucleating agent as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] A kind of preparation method of cage type silsesquioxane phosphate nucleating agent is as follows: heptameric isobutyl monoglycidyl cage type silsesquioxane (POSS) (0.01mol, 13.37g) (structure The above-mentioned cage silsesquioxane should be 2 in the structural formula 1-5, wherein the substituent R 1-7 Both are isobutyl, R 8Glycidyl, purchased from American hybrid plastics company, item number is EP0409) and 2,2'-methylene-bis-(4,6-di-tert-butylphenyl)phosphoryl chloride (0.01mol, 4.82g) ( The structure is a phosphate ester structure shown in formula I, wherein the substituent R 1-4 Respectively CH 2 , tert-butyl, tert-butyl, Cl) were mixed in 100mL THF solution, the mixture was heated to reflux for 3h under vigorous stirring, the solvent was removed by distillation under reduced pressure, and the cage-type silsesquioxane phosphate compounds were obtained by washing with water. nuclear agent.

[0045] The structure of 2,2'-methylene-bis-(4,6-di-tert-butylphenyl) p...

Embodiment 2

[0056] A kind of preparation method of cage type silsesquioxane phosphate nucleating agent is as follows: Octalanilino cage type silsesquioxane (POSS) (5mmol, 5.765g) (structure is above-mentioned cage type silsesquioxane Siloxane should be 2 in the structural formula 1-5, wherein the substituent R 1-8 Both are anilino, purchased from American hybrid plastics company, item number is AM0280) and 2,2'-methylene-bis-(4,6-di-tert-butylphenyl) phosphate (40mmol, 19.28g) (structure is the phosphate ester structure shown in formula I, wherein the substituent R 1-4 Respectively CH 2 , tert-butyl, tert-butyl, OH) were mixed in 100mL methanol solution, the mixture was heated to reflux for 3h under vigorous stirring, the solvent was removed by distillation under reduced pressure, and the cage-type silsesquioxane phosphate compound was obtained by washing with water. nuclear agent.

[0057] The structure of 2,2'-methylene-bis-(4,6-di-tert-butylphenyl)phosphate is as follows:

[0058] ...

Embodiment 3

[0064] A kind of preparation method of cage type silsesquioxane phosphate nucleating agent is as follows: heptameric isobutyl monoamino cage type silsesquioxane (POSS) (0.01mol, 8.74g) (structure is above-mentioned Cage silsesquioxane should be 2 in the structural formula 1-5, wherein the substituent R 1-7 is isobutyl, R 8 for -(CH 2 ) 3 -NH 2 , purchased from American hybrid plastics company, the article number is AM0265) and 2,2'-methylene-bis-(4,6-di-tert-butylphenyl) phosphate (0.01mol, 4.82g) (the structure is the above-mentioned phosphoric acid 1 in the ester structural formula 1-2, wherein the substituent R 1-4 Respectively CH 2 , tert-butyl, tert-butyl, OH) were mixed in 100mL methanol solution, the mixture was heated to reflux for 3h under vigorous stirring, the solvent was removed by distillation under reduced pressure, and the cage-type silsesquioxane phosphate compound was obtained by washing with water. nuclear agent.

[0065] A kind of preparation method o...

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Abstract

The invention discloses a polyhedral oligomeric silsesquioxane phosphate nucleating agent. The polyhedral oligomeric silsesquioxane phosphate nucleating agent is prepared from polyhedral oligomeric silsesquioxane and phosphate in a molar ratio of 1: (0.1-12). The polyhedral oligomeric silsesquioxane phosphate nucleating agent disclosed by the invention is added into a polypropylene matrix, so thatthe substance can well promote crystallization of polypropylene, plays a role of the nucleating agent and accelerates the crystallization rate of polypropylene.

Description

technical field [0001] The invention belongs to the technical field of polymer material modification, and in particular relates to a cage-type silsesquioxane phosphate nucleating agent and a preparation method and application thereof. Background technique [0002] Polypropylene is a common thermoplastic resin, which is widely used in various fields such as fibers, beverage bottles, films, automobiles, electronic appliances, and household appliances due to its excellent properties. However, some disadvantages of polypropylene itself limit its application in a wider range of fields. Usually, nucleating agent modification is widely used in industry because of its simple operation, obvious effect and relatively strong controllability in practical applications. Among them, the modification of the nucleating agent can significantly increase the crystallization temperature, so that the degree of supercooling formed in the actual processing process is increased, the crystallization...

Claims

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Application Information

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IPC IPC(8): C08G77/395C08L23/12C08L23/14C08L83/08C08K5/134C08K5/526
CPCC08G77/045C08G77/395C08L23/12C08L23/14C08L83/08C08K5/134C08K5/526C08L2205/24C08K5/1345
Inventor 辛忠张娴辛善
Owner EAST CHINA UNIV OF SCI & TECH
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