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Halogen-free flame retardant composition for polyesters and application method thereof

An application method and flame retardant technology, applied in the field of halogen-free flame retardant compositions for polyester PET and PBT, can solve the problems of poor compatibility with polymers, high volatility, poor heat resistance, etc., and achieve easy dispersion , the preparation method is simple, the effect of reducing production cost

Inactive Publication Date: 2012-07-18
贝塞尔中创(北京)技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The generalized organic phosphorus flame retardants are mostly phosphate esters, and most of them are liquids, which have disadvantages such as poor heat resistance, high volatility, large smoke generation, and poor compatibility with polymers.

Method used

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  • Halogen-free flame retardant composition for polyesters and application method thereof
  • Halogen-free flame retardant composition for polyesters and application method thereof
  • Halogen-free flame retardant composition for polyesters and application method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1 Add different proportions of PDPTP to polyester PET, stir evenly, extrude a sample strip with a diameter of about 3 mm at the melting temperature with an extruder, and measure its oxygen index with a HC900-2 oxygen index measuring instrument. The results are shown in Table 2.

[0029] Table 2 Effect of the amount of flame retardant PDPTP on the oxygen index of PET

[0030] Amount added%

Embodiment 2

[0031] Example 2: Add different proportions of PDPTP and MCA to polyester PET, stir evenly, extrude a sample strip with a diameter of about 3 mm at the melting temperature with an extruder, and measure its oxygen index with a HC900-2 type oxygen index measuring instrument. The results are shown in Table 3.

[0032] Table 3 Effect of flame retardant PDPTP and MCA dosage on PET oxygen index

[0033]

Embodiment 3

[0034] Example 3 Add different proportions of PDPTP and MPP to polyester PET, stir evenly, extrude a sample strip with a diameter of about 3 mm at the melting temperature with an extruder, and measure its oxygen index with a HC900-2 type oxygen index measuring instrument. The results are shown in Table 4.

[0035] Table 4 Effect of flame retardant PDPTP and MPP dosage on PET oxygen index

[0036]

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PUM

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Abstract

The invention relates to a halogen-free flame retardant composition for polyesters and an application method thereof. The flame retardant composition is prepared through compounding any one of melamine cyanurate (MCA), melamine polyphosphate (MPP) and aluminium diethyl hypophosphite (1240) with PDPTP (polyphenyl thiophosphoric acid) in any weight preparation. The flame retardant disclosed by the invention has the advantages of multielement synergy, good material compatibility, high flame retardancy, environmental friendliness and the like.

Description

technical field [0001] The invention relates to a halogen-free flame retardant composition for polyester and an application method thereof, in particular to a halogen-free flame retardant composition for polyester PET and PBT and an application method thereof. Background technique [0002] The generalized organophosphorus flame retardants are mostly phosphate esters, and most of them are liquids, which have disadvantages such as poor heat resistance, high volatility, large smoke generation, and poor compatibility with polymers. Therefore, there is an urgent need to develop an organic phosphine flame retardant with C-P bonds, which has the advantages of good thermal stability, large molecular weight, good compatibility with materials, high phosphorus content, low smoke, and non-toxicity. Flame retardants have more advantages and can endow materials with better processing properties. Therefore, designing multi-element synergy in molecules or realizing multi-element synergy thr...

Claims

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Application Information

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IPC IPC(8): C08L67/02C08L85/02C08K5/3492C08K5/5313
Inventor 王彦林张艳丽
Owner 贝塞尔中创(北京)技术有限公司
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