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Dipropyl phenylphosphinate flame retardant composition and application method thereof

A technology of dipropyl phenylphosphinate and its application method, which is applied in the field of dipropyl phenylphosphinate flame retardant compositions, can solve problems such as poor performance, high price of flame retardants, and easy precipitation, and achieve Improved compatibility, low equipment investment, and high decomposition temperature

Active Publication Date: 2017-04-05
RES INST OF XIANGCHENG SUZHOU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, there is a large gap between the flame retardant modification rate of plastics in my country and developed countries, and commercially available flame retardants generally have shortcomings such as high price, poor performance, and easy precipitation, so the research on new high-efficiency and excellent performance flame retardants is more urgent

Method used

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  • Dipropyl phenylphosphinate flame retardant composition and application method thereof
  • Dipropyl phenylphosphinate flame retardant composition and application method thereof
  • Dipropyl phenylphosphinate flame retardant composition and application method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Example 1 Add different proportions of PPD and CP52 to polyvinyl chloride, stir evenly, extrude a sample strip with a diameter of about 3 mm at melting temperature with an XJ-01 extruder, and measure it with an HC900-2 oxygen index tester The limiting oxygen index, the results are shown in Table 2.

[0030] Table 2 Flame retardant data of PVC compounded by flame retardant PPD and CP52

[0031]

Embodiment 2

[0032] Example 2 Add different proportions of PPD, CP52 and STCE to polyvinyl chloride, stir evenly, extrude a sample strip with a diameter of about 3mm at the melting temperature with an XJ-01 extruder, and use a HC900-2 oxygen index tester The limiting oxygen index was measured, and the results are shown in Table 3.

[0033] Table 3 Flame retardant data of PVC compounded by flame retardant PPD, CP52 and STCE

[0034]

Embodiment 3

[0035] Example 3 Add different proportions of PPD, CP52 and STDE to polyvinyl chloride, stir evenly, extrude a sample strip with a diameter of about 3mm at the melting temperature with an XJ-01 extruder, and use a HC900-2 oxygen index tester Measure its limiting oxygen index, and the results are shown in Table 4.

[0036] Table 4 Flame retardant data of PVC compounded by flame retardant PPD, CP52 and STDE

[0037]

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PUM

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Abstract

The invention relates to a phenyl dipropyl phosphinate fire retardant composition and an application method thereof. The fire retardant composition is prepared by compounding and uniformly mixing one or two of PPD (Phenyl Dipropyl Phosphinate), CP52 (Chlorinated Paraffin), STCE (Tetra(chloroethyl) Silicate), STDE (Tetra(dichloropropyl) Silicate) and STDPE (Tri(dichloropropyl) Phenyl Silicate), wherein the weight fraction of PPD and CP52 is both larger than zero. The fire retardant composition disclosed by the invention has the advantages of multi-element synergetic function, good compatibility with the material, high fire retardant efficacy, low cost and the like, can be used as the fire retardant for materials such as polyvinyl chloride, polyurethane, unsaturated polyester resin and epoxy resin, and can achieve a good application prospect.

Description

technical field [0001] The invention relates to a flame retardant composition of dipropyl phenylphosphinate and an application method thereof. The flame retardant composition can be used as a flame retardant for materials such as polyvinyl chloride, polyurethane, unsaturated resin, and epoxy resin. agent. Background technique [0002] At present, there is a large gap between the flame retardant modification rate of plastics in my country and developed countries, and commercially available flame retardants generally have shortcomings such as high price, poor performance, and easy precipitation, so the research on new high-efficiency and excellent performance flame retardants is more urgent . The study found that the organic phosphine flame retardant containing C-P bond in the molecule has a stable molecular structure and high flame retardant performance. It has the advantages of low toxicity, good compatibility with materials, good machinability, and not easy to precipitate. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K5/5313C08K5/02C08K5/5415C08L27/06C08L75/04C08L67/06C08L63/00
Inventor 龚菁俞春雷王彦林
Owner RES INST OF XIANGCHENG SUZHOU UNIV OF SCI & TECH
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