Application of an organometallic phosphonic acid compound zncpn in synergistic flame retardant

A synergistic flame retardant and organometallic technology, which is applied in the field of synergistic flame retardants, can solve the problems of polyamide materials such as flammability, and achieve cheap synthetic raw materials, improved flame retardancy and mechanical properties, and a mild and simple synthesis method Effect

Inactive Publication Date: 2017-11-28
JILIN UNIV
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  • Application Information

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Problems solved by technology

[0008] The purpose of the present invention is to improve the flame retardant efficiency of existing phosphorus or phosphorus-nitrogen flame retardants by introducing synergistic flame retardants, while solving the flammability problems of existing polyamide materials, it can overcome the market The shortcomings of the existing flame retardants affecting the mechanical properties of the matrix materials meet the triple requirements of improving flame retardant properties, improving mechanical properties, and energy saving and environmental protection

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  • Application of an organometallic phosphonic acid compound zncpn in synergistic flame retardant
  • Application of an organometallic phosphonic acid compound zncpn in synergistic flame retardant
  • Application of an organometallic phosphonic acid compound zncpn in synergistic flame retardant

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Experimental program
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Effect test

Embodiment 1

[0021] The specific synthesis method of ZnCPN:

[0022] 109.5g Zn(OAc) 2 .2H 2 O (0.5mol), 47.5g 2-aminopyridine (0.5mol) and 69g tert-butylphosphonic acid (0.5mol) were respectively dissolved in 400ml of methanol, the three solutions were mixed and stirred for 1h, and the reaction product was filtered to obtain the final Crystalline product 51 g (yield: 39%).

[0023] Flame retardant modification of PA66:

[0024] ZnCPN was used in synergistic MPP to prepare flame-retardant polyhexamethylene adipamide (PA66), and its proportion, flame-retardant performance and mechanical performance test results are shown in Table 1.

[0025] Table 1: Flame retardant and mechanical properties of ZnCPN synergistic MPP flame retardant PA66

[0026]

Embodiment 2

[0028] ZnCPN was used to prepare flame-retardant PA66 in synergistic APP, and its formulation, flame-retardant properties and mechanical properties test results are shown in Table 2.

[0029]Table 2: Flame retardant and mechanical properties of ZnCPN synergistic APP flame retardant PA66

[0030]

Embodiment 3

[0032] ZnCPN was used in synergistic AlPi to prepare flame-retardant PA66, and its proportion, flame-retardant performance and mechanical performance test results are shown in Table 3.

[0033] Table 3: Flame retardant and mechanical properties of ZnCPN synergistic AlPi flame retardant PA66

[0034]

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Abstract

The application of an organometallic phosphonic acid compound ([Zn(t-C4H4PO3)(C5N2H6)]4) in synergistic flame retardants belongs to the technical field of synergistic flame retardants. After the synergistic flame retardant is compounded with other phosphorus-based or phosphorus-nitrogen-based flame retardants, it can be used to prepare compounded flame retardants for flame-retardant modified polyamide plastics. The mass of the synergistic flame retardant accounts for 4.5-16.7% of the total mass of the compound flame retardant, and it can not only significantly improve the flame retardancy of polyamide plastics, but also improve the mechanical properties of polyamide plastics. The synergistic flame retardant is halogen-free, high-efficiency, simple in preparation, cheap in raw materials, good in sample performance reproducibility, and suitable for large-scale production.

Description

technical field [0001] The invention belongs to the technical field of synergistic flame retardants, in particular to an organometallic phosphonic acid compound ([Zn(t-C 4 h 4 PO 3 )(C 5 N 2 h 6 )] 4 ) in the application of synergistic flame retardants. Background technique [0002] Polyamide is an important engineering plastic, which has the advantages of high specific strength and corrosion resistance, and is widely used in engineering fields such as construction, automobiles, and electronics. With the development of polymer material modification technology, polyamide engineering plastics not only meet the performance indicators of metal materials in terms of strength, but also approach metal materials in terms of high temperature resistance, fatigue resistance, and dimensional stability. It is precisely because polyamide plastics have the above advantages that they can gradually replace metal materials to reduce production costs and improve performance. However, b...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K5/5317C08L77/02C08L77/06
Inventor 李国栋王刚姚有为
Owner JILIN UNIV
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