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Precipitate-free flame retardant masterbatch

A technology of flame retardant masterbatch and flame retardant, which is applied in the field of flame retardant masterbatch, can solve the problems of flame retardant performance decline of flame retardant materials, affect the appearance of parts, toxic and harmful gases, etc., and achieve good flame retardant effect and excellent appearance good effect

Inactive Publication Date: 2012-07-11
GUANGDONG HIGH & NEW ENG PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Brominated organic flame retardants are one of the organic flame retardants with the best flame retardancy, but some brominated flame retardants will produce toxic and harmful gases during the production process, which not only pollutes the environment, but also affects the health of workers
[0003] Although brominated organic flame retardants have certain safety problems, they are still widely used in flame retardant materials due to their superior flame retardant performance and relatively low price.
[0004] Many brominated flame retardants, such as decabromodiphenyl ether, octabromoether, etc., are mixed with polymers to produce flame retardant materials. After long-term use, such flame retardants will be precipitated on the surface of flame retardant materials. It will lead to a decrease in the flame retardant performance of the flame retardant material and affect the service life of the material
At the same time, the precipitated flame retardant will exist on the surface of the material in the form of "white frost", which will affect the appearance of the product

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The flame retardant masterbatch includes the following parts by weight:

[0028] 5 parts of modified polyamides, modified polyamides are polypropylene grafted maleic anhydride modified polyamides;

[0029] 10 parts of flame retardant, composed of 5 parts of decabromodiphenyl ether and 5 parts of octabromoether;

[0030] 50 parts of flame retardant synergist, composed of 20 parts of antimonate and 30 parts of zinc borate;

[0031] 20 parts of inorganic fillers, composed of 15 parts of talcum powder and 5 parts of glass fiber;

[0032] 2 parts of dispersant, composed of 1 part of sodium dodecylbenzene sulfonate, 0.5 parts of ethylene bis-stearamide, and 0.5 parts of ethylene bis-stearamide.

Embodiment 2

[0034] The flame retardant masterbatch includes the following parts by weight:

[0035] 8 parts of modified polyamide, composed of 3 parts of ethylene-octene copolymer grafted maleic anhydride modified polyamide, 5 parts of maleic anhydride and acrylate bifunctional ethylene elastomer modified polyamide;

[0036] 15 parts of flame retardant, composed of 9 parts of decabromodiphenyl ether and 6 parts of decabromodiphenylethane;

[0037] 70 parts of flame retardant synergist, composed of 50 parts of zinc borate and 20 parts of magnesium hydroxide;

[0038] 10 parts of inorganic fillers are barium sulfate;

[0039] 3 parts of dispersant, composed of 1 part of fatty alcohol polyethylene wax, 1 part of polyoxyethylene sorbitan monooleate, and 1 part of polyvinyl alcohol.

Embodiment 3

[0041] The flame retardant masterbatch includes the following parts by weight:

[0042] 7 parts of modified polyamides, modified polyamides are ethylene-octene copolymer grafted maleic anhydride modified polyamides;

[0043] 20 parts of flame retardant, consisting of 8 parts of hexabromocyclododecane, 8 parts of decabromodiphenyl ether, and 4 parts of octabromoether;

[0044] 100 parts of flame retardant synergist, composed of 40 parts of antimony trioxide, 40 parts of antimony pentoxide, and 20 parts of antimony-containing complexes;

[0045] 4 parts of dispersant, composed of 3 parts of polyvinyl alcohol and 1 part of ethylene bis stearamide.

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PUM

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Abstract

The invention discloses a precipitate-free flame retardant masterbatch, which comprises the following compositions in part by weight: 5 to 10 parts of modified polyamide, 5 to 30 parts of flame retardant, 0 to 30 parts of flame retardant synergist and inorganic packing, and 0.5 to 5 parts of dispersing agent, wherein the weight ratio of the flame retardant to the flame retardant synergist is 10-25:100. Flame retardant materials prepared by adding the precipitate-free flame retardant masterbatch into high polymer materials do not have the precipitated flame retardant even if used for a long time, and have good flame retardant effect. Because flame retardant is not precipitated, the surfaces of the flame retardant materials have no 'frosting' phenomenon, and the flame retardant materials prepared from the flame retardant masterbatch are excellent in appearance.

Description

technical field [0001] The invention relates to a flame-retardant masterbatch, in particular to a no-precipitation flame-retardant masterbatch. Background technique [0002] Brominated organic flame retardants are one of the organic flame retardants with the best flame retardancy, but some brominated flame retardants will produce toxic and harmful gases during the production process, which not only pollutes the environment, but also affects the health of workers. [0003] Although brominated organic flame retardants have certain safety problems, they are still widely used in flame retardant materials due to their superior flame retardant performance and relatively low price. [0004] Many brominated flame retardants, such as decabromodiphenyl ether, octabromoether, etc., are mixed with polymers to produce flame retardant materials. After long-term use, such flame retardants will be precipitated on the surface of flame retardant materials. It will lead to a decrease in the f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L77/00C08L51/06C08K5/06C08K3/24C08K3/38C08K3/34C08K7/14C08K5/03C08K3/22C08K3/30C08K7/20
Inventor 曾斌朱国良
Owner GUANGDONG HIGH & NEW ENG PLASTICS
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