High-performance flame-retardation material

A flame-retardant material and high-performance technology, applied in the field of flame-retardant materials, can solve the problems of the decline of mechanical properties of flame-retardant composite parts, poor adhesion between flame-retardant fillers and matrix resin, and uneven distribution of flame-retardant fillers. High output, large flame retardant range, good flame retardant effect

Inactive Publication Date: 2019-01-01
黄冈昌耀电力器材有限公司
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AI-Extracted Technical Summary

Problems solved by technology

[0009] The problems of the above composite methods mainly include: 1. the distribution of flame retardant fillers in the product is often uneven, so that the flame retardant performance of the finished product is inconsistent; 2. the adhesion between the flame retardant filler and the matrix resin is generally w...
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Abstract

The invention discloses a high-performance flame-retardation material. The high-performance flame-retardation material comprises 11 to 15 parts of silicone resin, 10 to 13 parts of polyurethane resin,2 to 4 parts of an initiator, 3 to 7 parts of an inorganic flame retardant, 2 to 5 parts of an organic flame retardant, and 20 to 25 parts of a solvent. The high-performance flame-retardation material has good processing performance and mechanical property, good flame retarding effect, and large flame retardant range.

Technology Topic

SolventChemistry +4

Examples

  • Experimental program(3)
  • Effect test(1)

Example Embodiment

[0034] Example 1
[0035] A high-performance flame-retardant material whose formula is as follows:
[0036] 11 parts of silicone resin, 10 parts of polyurethane resin, 2 parts of initiator, 3 parts of inorganic flame retardant, 2 parts of organic flame retardant, and 20 parts of solvent.
[0037] The silicone resin adopts polymethyl silicone resin.
[0038] The polyurethane resin adopts an aqueous polyurethane resin.
[0039] The initiator uses methyl ethyl ketone peroxide.
[0040] The inorganic flame retardant uses composite phosphorus/magnesium.
[0041] The organic flame retardant is ammonium polyphosphate.
[0042] The solvent is an aqueous alcohol solution, and the alcohol content in the aqueous alcohol solution is 50%.
[0043] The preparation method of high-performance flame-retardant material, its steps are as follows:
[0044] Step 1. Add silicone resin and polyurethane resin to 80% solvent and stir evenly;
[0045] Step 2: Add the initiator to the solvent in Step 1, and obtain a mixed reaction solution after the sealing reaction;
[0046] Step 3. Add the organic flame retardant and the inorganic flame retardant to the remaining solvent and stir evenly to obtain a flame retardant mixed liquid;
[0047] Step 4. Add the flame-retardant mixed liquid to the mixed reaction liquid, and obtain a crude product after nitrogen aeration reaction;
[0048] Step 5: Add the crude product to a vacuum distiller and perform vacuum distillation to obtain the product.
[0049] The stirring speed in the step 1 is 100 r/min.
[0050] The sealing reaction conditions in the step 2 are 120° C., and the reaction time is 2 h.
[0051] In the step 4, the aeration flow rate is 10 mL/min, and the aeration reaction time is 1 h.
[0052] The vacuum distillation in step 5 concentrates the crude product to 50% of the original.

Example Embodiment

[0053] Example 2
[0054] A high-performance flame-retardant material whose formula is as follows:
[0055] 15 parts of silicone resin, 13 parts of polyurethane resin, 4 parts of initiator, 7 parts of inorganic flame retardant, 5 parts of organic flame retardant, and 25 parts of solvent.
[0056] The silicone resin adopts polyethyl silicone resin.
[0057] The polyurethane resin adopts an aqueous polyurethane resin.
[0058] The initiator uses cyclohexanone peroxide.
[0059] The inorganic flame retardant adopts composite phosphorus/aluminum.
[0060] The organic flame retardant uses pentaerythritol.
[0061] The solvent is an aqueous alcohol solution, and the alcohol content in the aqueous alcohol solution is 80%.
[0062] The preparation method of high-performance flame-retardant material, its steps are as follows:
[0063] Step 1. Add silicone resin and polyurethane resin to 80% solvent and stir evenly;
[0064] Step 2: Add the initiator to the solvent in Step 1, and obtain a mixed reaction solution after the sealing reaction;
[0065] Step 3. Add the organic flame retardant and the inorganic flame retardant to the remaining solvent and stir evenly to obtain a flame retardant mixed liquid;
[0066] Step 4. Add the flame-retardant mixed liquid to the mixed reaction liquid, and obtain a crude product after nitrogen aeration reaction;
[0067] Step 5: Add the crude product to a vacuum distiller and perform vacuum distillation to obtain the product.
[0068] The stirring speed in the step 1 is 1500 r/min.
[0069] The sealing reaction conditions in the step 2 are 150°C, and the reaction time is 5 hours.
[0070] In the step 4, the aeration flow rate is 30 mL/min, and the aeration reaction time is 3 h.
[0071] The vacuum distillation in step 5 concentrates the crude product to 70% of the original.

Example Embodiment

[0072] Example 3
[0073] A high-performance flame-retardant material whose formula is as follows:
[0074] 14 parts of silicone resin, 12 parts of polyurethane resin, 3 parts of initiator, 6 parts of inorganic flame retardant, 4 parts of organic flame retardant, and 23 parts of solvent.
[0075] The silicone resin adopts polymethyl silicone resin.
[0076] The polyurethane resin adopts an aqueous polyurethane resin.
[0077] The initiator uses methyl ethyl ketone peroxide.
[0078] The inorganic flame retardant uses composite phosphorus/graphite.
[0079] The organic flame retardant uses triphenyl phosphate.
[0080] The solvent is an aqueous alcohol solution, and the alcohol content in the aqueous alcohol solution is 75%.
[0081] The preparation method of high-performance flame-retardant material, its steps are as follows:
[0082] Step 1. Add silicone resin and polyurethane resin to 80% solvent and stir evenly;
[0083] Step 2: Add the initiator to the solvent in Step 1, and obtain a mixed reaction solution after the sealing reaction;
[0084] Step 3. Add the organic flame retardant and the inorganic flame retardant to the remaining solvent and stir evenly to obtain a flame retardant mixed liquid;
[0085] Step 4. Add the flame-retardant mixed liquid to the mixed reaction liquid, and obtain a crude product after nitrogen aeration reaction;
[0086] Step 5: Add the crude product to a vacuum distiller and perform vacuum distillation to obtain the product.
[0087] The stirring speed in the step 1 is 1300 r/min.
[0088] The sealing reaction conditions in the step 2 are 140°C, and the reaction time is 4 hours.
[0089] In the step 4, the aeration flow rate is 25 mL/min, and the aeration reaction time is 3 h.
[0090] The vacuum distillation in step 5 concentrates the crude product to 65% of the original.

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