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Flame-retardant headband material

A headband and accelerant technology, which is applied in the field of gas mask cover body accessories, can solve the problems of poor flame retardancy and achieve reasonable design effects

Inactive Publication Date: 2017-02-22
SHANXI XINHUA CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Early gas masks mostly used natural rubber as the headband material, because it has excellent resilience, and as a headband material, the mask and the face are easier to fit and seal, but its flame retardancy is poor, and it cannot self-extinguish after catching fire. Manufacturers with flame retardant performance mostly use mesh cloth as the headband material, and its performance only meets some standards of GB2890-2009 or GB2626-2006, and it has not been clearly stated that it meets the requirements of GA 124-2004 "Positive Pressure Fire-fighting Air Respirators". Headband material according to flame retardant standard in "

Method used

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  • Flame-retardant headband material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A flame retardant headband material comprising the following components by weight:

[0029] 70 parts of natural rubber, 15 parts of neoprene, 10 parts of zinc oxide, 10 parts of magnesium oxide, 5 parts of stearic acid, 2 parts of sulfur, 2 parts of accelerator DM, 4 parts of accelerator M, 3 parts of accelerator NA-22, 50 parts of decabromodiphenyl ether, 35 parts of antimony trioxide, 2 parts of antioxidant D, 1 part of antioxidant MB, 30 parts of clay, 15 parts of calcium carbonate, 5 parts of carbon black N220.

[0030] The preparation method is as follows:

[0031] XK-160mm open type rubber mixing machine is used for compounding rubber, and the speed ratio of the rollers is 1:1.25; the temperature of the front roller is 50°C when the silicone rubber is mixed, and the temperature of the rear roller is slightly higher, which is 65°C; the mixing process is as follows :

[0032] (1) Adjust the roller distance to 0.1, add natural rubber, make it wrap the front roller,...

Embodiment 2

[0041] A flame retardant headband material comprising the following components by weight:

[0042] 80 parts of natural rubber, 30 parts of neoprene, 10 parts of zinc oxide, 2 parts of magnesium oxide, 10 parts of stearic acid, 8 parts of sulfur, 1 part of accelerator DM, 2 parts of accelerator M, 1 part of accelerator NA-22 , 25 parts of decabromodiphenyl ether, 40 parts of antimony trioxide, 5 parts of antioxidant D, 2 parts of antioxidant MB, 35 parts of clay, 10 parts of calcium carbonate, and 15 parts of carbon black N220.

[0043] The preparation method is as follows:

[0044] XK-160mm open-type rubber mixing machine is used for mixing rubber materials, and the speed ratio of the rollers is 1:1.25; when mixing silicone rubber, the temperature of the front roller is 55°C, and the temperature of the rear roller is slightly higher, which is 65°C; the mixing process is as follows :

[0045] (1) Adjust the roller distance to 0.1, add natural rubber, make it wrap the front ro...

Embodiment 3

[0054] A flame retardant headband material comprising the following components by weight:

[0055] 90 parts of natural rubber, 10 parts of neoprene, 5 parts of zinc oxide, 8 parts of magnesium oxide, 2 parts of stearic acid, 10 parts of sulfur, 3 parts of accelerator DM, 1 part of accelerator M, 2 parts of accelerator NA-22 , 20 parts of decabromodiphenyl ether, 15 parts of antimony trioxide, 1 part of antioxidant D, 5 parts of antioxidant MB, 50 parts of clay, 5 parts of calcium carbonate, and 12 parts of carbon black N220.

[0056] The preparation method is as follows:

[0057] XK-160mm open type rubber mixing machine is used for compounding rubber, and the speed ratio of the rollers is 1:1.25; the temperature of the front roll is 50°C when the silicone rubber is mixed, and the temperature of the rear roll is slightly higher, 60°C; the mixing process is as follows :

[0058] (1) Adjust the roller distance to 0.1, add natural rubber, make it wrap the front roller, and masti...

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Abstract

The invention discloses a flame-retardant headband material. The headband material comprises, by weight, 70-100 parts of natural rubber, 10-30 parts of chloroprene rubber, 5-20 parts of zinc oxide, 2-10 parts of magnesium oxide, 2-10 parts of stearic acid, 2-10 parts of sulfur, 1-5 parts of accelerant DM, 1-5 parts of accelerant M, 1-5 parts of accelerant NA-22, 20-50 parts of decabromodiphenyl ether, 15-40 parts of antimonous oxide, 1-5 parts of antiager D, 1-5 parts of antiager MB, 30-50 parts of argil, 5-15 parts of calcium carbonate and 5-15 parts of carbon black N220. The headband material conforms to the standard for mask headband materials after being inspected by GA 124-2004 Positive Pressure Air Breathing Apparatus and meets conditions after being authenticated through experiments, thereby starting to be produced in batch currently.

Description

technical field [0001] The invention relates to the field of gas mask cover body accessory materials, in particular to a flame-retardant headband material. Background technique [0002] Early gas masks mostly used natural rubber as the headband material, because it has excellent resilience, and as a headband material, the mask and the face are easier to fit and seal, but its flame retardancy is poor, and it cannot self-extinguish after igniting. Manufacturers with flame retardant properties mostly use mesh cloth as the headband material, and its performance only meets some standards of GB2890-2009 or GB2626-2006, and it has not been clearly stated that it meets the requirements of GA 124-2004 "Positive Pressure Fire-fighting Air Respirators". "The flame retardant standard headband material. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a headband rubber that can meet the physical and mechanical properties of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L11/00C08K13/02C08K3/22C08K5/09C08K5/06C08K3/34
CPCC08L7/00C08L2201/02
Inventor 王立功崔江舟雷小军齐嘉豪王慧金世婧常慧芳
Owner SHANXI XINHUA CHEM
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