JPH05339470A - Flame retardant and flame retardant olefin-based resin composition - Google Patents

Abstract

PURPOSE:To obtain a flame retardant containing a halogenated epoxy resin- based compound and a halogenated bisphenolbis(alkyl ether)-based compound, high in flame retarding effects and thermal stability and free from bleedout. CONSTITUTION:The objective flame retardant contains (A) a halogenated epoxy resin-based compound and (B) a halogenated bisphenol bis(alkyl ether)-based compound, preferably in a weight ratio of the component A/the component B of (20/80) to (90/10). As the component A, tetrabromobisphenol A or S type epoxy resin or a halogenated epoxy resin-based compound whose epoxy groups are blocked with tribromophenol, etc., is preferably used. As the component B, tetrabromobisphenol A bis(2,3-dibromopropyl ether) or tetrabromobisphenol S bis(2,3-dibromopropyl ether) is preferably used.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a flame retardant which is excellent in flame retardancy and which suppresses so-called bleed-out, which is a bleedout of the flame retardant on the surface of a molded article, and a flame retardant olefin resin containing the flame retardant. It relates to a composition.

[0002]

2. Description of the Related Art Conventionally, regarding flame retardation of olefinic resins and the like, for example, JP-A-49-31749 and JP-B-50-35103 disclose halogenated bisphenol A bis (alkyl) having excellent flame retardancy. A technique has been disclosed in which a flame retardant composed of an ether) -based compound, a halogenated bisphenol S bis (alkyl ether) -based compound, and if necessary, a flame retardant auxiliary such as antimony trioxide is added and blended.

[0003]

However, the above-mentioned halogenated bisphenol bis (alkyl ether) type flame retardant has a high flame retarding effect on olefin resins, but the flame retardant is applied to the surface of the molded article. There were problems such as bleed-out being remarkable, contamination of the mold during molding, poor appearance of the molded product, low thermal stability, and easy burning and discoloration during molding.

A problem to be solved by the present invention is to provide a flame retardant having a high flame retarding effect on an olefin resin and a high thermal stability and having no bleed-out problem, and a flame retardant olefin containing the flame retardant. It is to provide a resin composition.

[0005]

Means for Solving the Problems As a result of intensive studies to solve the above problems, the present inventors have found that a halogenated epoxy resin compound and a halogenated bisphenol bis (alkyl ether) compound are contained. Using a flame retardant that makes it possible to obtain a flame-retardant olefin-based resin composition having a high flame-retardant effect and significantly improved bleed-out,
Further, they have found that this resin composition has excellent thermal stability, is less likely to cause burns and discoloration during molding, and has relatively little deterioration in mechanical strength and molding processability, and has completed the present invention.

That is, the present invention comprises a halogenated epoxy resin compound (A) and a halogenated bisphenol bis (alkyl ether) compound (B), and a flame retardant, and a halogenated compound. Provided is a flame-retardant olefin resin composition comprising an epoxy resin compound (A), a halogenated bisphenol bis (alkyl ether) compound (B) and an olefin resin (C). It is a thing.

The halogenated epoxy resin compound (A) used in the present invention is not particularly limited. For example, a halogenated epoxy resin or a halogenated epoxy resin in which a part or all of the epoxy groups of the halogenated epoxy resin is used. Examples thereof include compounds having a structure blocked with other compounds capable of being blocked. Among them, a compound having a structure in which a part or all of the epoxy groups of the halogenated epoxy resin is blocked with a halogenated phenolic compound is preferable because of high halogen content and excellent flame retardancy.

Examples of the halogenated epoxy resin include halogenated bisphenol type epoxy resin, halogenated phenol novolac type epoxy resin, halogenated cresol novolac type epoxy resin, halogenated resorcin type epoxy resin, halogenated hydroquinone type epoxy resin and halogen. Bisphenol A novolac type epoxy resin, halogenated methylresorcinol type epoxy resin, halogenated resorcinol novolac type epoxy resin and the like. Among them, halogenated bisphenol type epoxy resin having an average degree of polymerization of 0 to 30, particularly tetrabromobisphenol A. Alternatively, it is preferable to use an S-type epoxy resin and a part or all of the epoxy group blocked with tribromophenol or the like.

Specific examples of the halogenated bisphenol constituting the halogenated bisphenol type epoxy resin include dibromobisphenol A, tetrabromobisphenol A, dichlorobisphenol A, tetrachlorobisphenol A, dibromobisphenol F, tetrabromobisphenol F and dichloro. Bisphenol F,
Examples thereof include tetrachlorobisphenol F, dibromobisphenol S, tetrabromobisphenol S, dichlorobisphenol S, and tetrachlorobisphenol S, and among them, tetrabromobisphenol A and tetrabromobisphenol S are preferable.

Examples of the halogenated phenolic compound used for blocking a part or all of the epoxy groups of the halogenated epoxy resin include dibromophenol, dibromocresol, tribromophenol, pentabromophenol and dichlorophenol. , Dichlorocresol, trichlorophenol, pentachlorophenol and the like, among which tribromophenol is preferable.

The method for producing the halogenated epoxy resin compound (A) used in the present invention is not particularly limited. For example, the halogenated bisphenol type epoxy resin is a condensation reaction of halogenated bisphenol and epichlorohydrin, or halogenated bisphenol. It is obtained by addition reaction of the diglycidyl ether of and the halogenated bisphenol.

The halogenated epoxy resin-based compound (A) used in the present invention can be produced, for example, by the following method, using a halogenated bisphenol-based epoxy resin as an example. A halogenated bisphenol type epoxy resin having an epoxy group can be obtained by condensation reaction of halogenated bisphenol and epichlorohydrin or addition reaction of diglycidyl ether of halogenated bisphenol and halogenated bisphenol.

At this time, when a halogenated phenolic compound is used in combination with the epoxy group of the epoxy resin and the halogenated phenolic compound is heated and reacted at 100 to 230 ° C. in the presence of a catalyst, the epoxy of the halogenated bisphenol epoxy resin is obtained. A compound having a structure in which some or all of the groups are blocked with a halogenated phenol compound is obtained. The ratio of blocking of the epoxy group is not particularly limited, but 5
It is preferably 0% or more, and more preferably 80% or more.

Examples of the catalyst used here include alkali metal hydroxides such as sodium hydroxide, tertiary amines such as dimethylbenzylamine, imidazoles such as 2-ethyl-4methylimidazole, tetramethylammonium chloride and the like. Quaternary ammonium salts of, phosphonium salts such as ethyltriphenylphosphonium iodide,
Examples thereof include phosphines such as triphenylphosphine. The reaction solvent is not particularly necessary and may not be used.

The halogenated bisphenol bis (alkyl ether) type compound (B) used in the present invention includes
For example, halogenated bisphenol bis (dichloroethyl ether), halogenated bisphenol bis (dibromoethyl ether), halogenated bisphenol bis (dichloropropyl ether), halogenated bisphenol bis (trichloropropyl ether), halogenated bisphenol bis (dibromopropyl ether) , Halogenated bisphenol bis (tribromopropyl ether), halogenated bisphenol bis (dichlorobutyl ether), halogenated bisphenol bis (trichlorobutyl ether), halogenated bisphenol bis (tetrachlorobutyl ether), halogenated bisphenol bis (dibromobutyl ether), halogen Bisphenol bis (tribromobutyl ether), halogenated bisphenol Scan (tetrabromo ether), among others halogenated bisphenol bis (dibromopropyl ether) of thermal stability, it is preferable from the viewpoint of excellent flame retardancy, prices.

Examples of the halogenated bisphenol constituting this halogenated bisphenol bis (alkyl ether) compound include dibromobisphenol A, tetrabromobisphenol A, dichlorobisphenol A, tetrachlorobisphenol A, dibromobisphenol F, tetrabromobisphenol F, Dichlorobisphenol F, tetrachlorobisphenol F, dibromobisphenol S, tetrabromobisphenol S, dichlorobisphenol S, tetrachlorobisphenol S, etc. are mentioned. Among them, tetrabromobisphenol A or tetrabromobisphenol S is flame retardant, price etc. It is suitable because it is excellent.

The halogenated bisphenol bis (alkyl ether) type compound (B) used in the present invention is, for example, a halogenated bisphenol reactive derivative such as an alkyl halide, vinyl halide, allyl halide or other haloalkene by a conventional method. It can be produced by reacting with a diether and then halogenating it by a conventional method.

The flame retardant of the present invention may contain the halogenated epoxy resin type compound (A) and the halogenated bisphenol bis (alkyl ether) type compound (B), and its production method and shape are limited. However, it can be produced, for example, by the following method.

That is, a Henschel mixer is prepared by mixing a halogenated epoxy resin type compound (A) and a halogenated bisphenol bis (alkyl ether) type compound (B) which have been previously processed into a shape such that they can be easily mixed, such as pulverization, flake formation and pelletization. There is a method of obtaining a flame retardant by dry blending with a mixer such as a tumbler mixer. In this method, an olefin resin such as a powder or a pellet, and if necessary, other components such as a flame retardant and an additive,
Halogenated epoxy resin type compound (A) and halogenated bisphenol bis (alkyl ether) type compound (B)
May be dry blended.

Alternatively, the halogenated epoxy resin-based compound (A) and the halogenated bisphenol bis (alkyl ether) -based compound (B) are heated and melted at a temperature at which both of them melt, for example, 100 to 220 ° C., and mixed. There is a method, and a flame retardant can be usually produced by using a heatable mixer such as a container having a stirring blade or a Banbury mixer.

From the viewpoint of uniform composition of the flame retardant and uniform dispersibility in the olefin resin, the production method is preferable. The weight ratio (A) / (B) of the halogenated epoxy resin-based compound (A) and the halogenated bisphenol bis (alkyl ether) -based compound (B) is not particularly limited, but the weight ratio (A)
The range in which / (B) is 20/80 to 90/10 is preferable in that the flame retardant effect is high and the bleed out is small.

Olefinic resin (C) used in the present invention
As, various polymers containing olefin as a main component,
For example, low density polyethylene, high density polyethylene, linear low density polyethylene, polypropylene, polybutene,
Examples thereof include an ethylene-propylene copolymer, an ethylene-butene copolymer, a propylene-butene copolymer and the like. Of these, propylene-based resins are preferable because they have a high flame retarding effect and a high bleed-out improving effect.

The amount of the flame retardant of the present invention containing the halogenated epoxy resin compound (A) and the halogenated bisphenol bis (alkyl ether) compound (B) to the olefin resin (C) is: Although not particularly limited, it is usually 0.5 to 50 parts by weight with respect to 100 parts by weight of the olefin resin (C), and among them, the flame retardant effect and the bleed-out suppressing effect of the flame retardant are high, 2 to 30 parts by weight is preferable in that it is less likely to cause discoloration or discoloration during molding, and that mechanical strength such as impact resistance and tensile strength and deterioration in molding processability are relatively small.

The flame retardant of the present invention is not limited to the above-mentioned olefin resin (C), but polystyrene, polymethylstyrene, rubber modified polystyrene (HIPS), acrylonitrile-butadiene-styrene copolymer (ABS resin), acrylonitrile. -Acrylic rubber-styrene copolymer (AAS resin), acrylonitrile-ethylene propylene rubber-styrene copolymer (AES resin), polyphenylene ether, polycarbonate, thermoplastic polyurethane, polyethylene terephthalate, polybutylene terephthalate, thermoplastic resin such as polyamide It can also be applied to thermosetting resins such as epoxy resin, phenol resin, unsaturated polyester resin and polyurethane resin.

It is preferable to add a flame retardant aid (D) to the flame-retardant olefin resin composition of the present invention in order to further enhance the flame retarding effect. Examples of the flame retardant aid (D) include antimony compounds such as antimony trioxide, antimony tetraoxide, antimony pentoxide and sodium antimonate, tin compounds such as tin oxide and tin hydroxide, molybdenum oxide,
Examples thereof include molybdenum compounds such as ammonium molybdate, zirconium compounds such as zirconium oxide and zirconium hydroxide, and boron compounds such as zinc borate and barium metaborate.

The amount of the flame retardant aid (D) blended is 0.2 to 25 parts by weight per 100 parts by weight of the olefin resin,
Above all, 1 to 15 parts by weight is preferable because mechanical properties such as flame retardancy and impact resistance are remarkably improved.

The flame-retardant olefin resin composition of the present invention comprises, for example, the above-mentioned components (A) and (B), the olefin resin (C), and if necessary, a flame retardant aid (D) and other components. It can be easily produced by blending a predetermined amount of additive components and premixing with a mixer such as a Henschel mixer or a tumbler mixer, and then melt-kneading with an extruder, a kneader, a heat roll, a Banbury mixer, or the like. .

The flame-retardant olefin resin composition of the present invention may be blended with other flame-retardants within a range that does not significantly impair the excellent flame retardancy and the effect of suppressing the bleed-out of the flame-retardant. Further, if necessary, an ultraviolet absorber, a light stabilizer, a release agent, a lubricant, a colorant, a plasticizer, a filler, a foaming agent, an antioxidant, a heat stabilizer, an antistatic agent, glass fiber, carbon fiber, A reinforcing material such as aramid fiber can be blended.

[0029]

EXAMPLES The present invention will be described in more detail with reference to examples and comparative examples, but the scope of the present invention is not limited to these examples.

All parts and% in the examples are based on weight, and various tests were evaluated by the following measuring methods.

(1) Softening point test (ring-and-ball type) It was measured according to JIS K-7234. (2) Epoxy group content test It is the reciprocal of the epoxy equivalent (g / eq) measured according to JIS K-7236, and is the value expressed in eq / g. (3) Flammability test (UL-94) Subject 9 of Underwriters Laboratories
Based on the No. 4 vertical combustion test method, length 5 inches x width 1
The measurement was performed using five test pieces each having a size of 1/2 inch × a thickness of 1/8 inch or 1/16 inch.

(4) Mold Contamination Test Using a 1 ounce injection molding machine, a rectangular plate-shaped molded product (length 80 mm × width 80 mm × thickness 3 m) was obtained according to the following molding conditions.
m) is repeated and the mold surface is contaminated by bleeding out of the flame retardant (until the metallic surface of the mold that has been chrome-plated disappears and the entire surface becomes cloudy).
The number of times of injection molding until the above was determined. (The larger the number of injection moldings, the less the bleed-out of the flame retardant.) The contaminant attached to the mold was wiped off with a waste cloth containing an organic solvent each time.

The molding conditions are as follows.・ Cylinder temperature: 200 ℃ ・ Mold temperature: 45 ℃ ・ Injection time / cooling time: 10 seconds / 20 seconds

(5) Bleed-out test Using a rectangular plate-shaped injection-molded product (80 mm in length × 80 mm in width × 3 mm in thickness) colored black with the addition of carbon black, it was heated in a hot air dryer at 80 ° C. for 120 hours. After that, the appearance of the surface of the molded product was visually evaluated.

The evaluation was performed according to the following ranks. ○ ... There is almost no bleed-out of flame retardant, and there is no change in appearance. B: Flame retardant bleed out.

X: Remarkably bleed out of the flame retardant.

Synthesis Example 1 [Synthesis of halogenated epoxy resin compound (A)] Tetrabromobisphenol A diglycidyl ether [EPICLON 15 manufactured by Dainippon Ink and Chemicals, Inc.]
2, epoxy equivalent 360g / eq, bromine content 48%]
720.0 g and tetrabromobisphenol A (hereinafter abbreviated as "TBA") 427.0 g and 2,4,6-tribromophenol (hereinafter abbreviated as "TBP") 128.0 g
And were placed in a 1 liter separable flask equipped with a thermometer and a stirrer, the inside was replaced with nitrogen gas, the contents were heated and melted, and 1.3 g of a 10% aqueous solution of sodium hydroxide was added at 100 ° C. Then, the mixture was reacted at 160 to 190 ° C for 10 hours. After the reaction, the reaction product was poured into a stainless pan, cooled, and then ground to obtain a halogenated epoxy resin powder (A-1) in which most of the pale yellow epoxy groups were blocked. This halogenated epoxy resin powder (A-1) is
Epoxy group content 0.03 × 10 ^-3 eq / g, softening point 1
It had a bromine content of 54% and an average degree of polymerization of 5 at 52 ° C.

Synthesis Example 2 (same as above) The use of TBA was omitted and the amount of TBP used was 628.0 g.
In the same manner as in Synthesis Example 1 except that the epoxy group was changed to the above, the halogenated epoxy resin powder (A
-2) was obtained. This halogenated epoxy resin powder (A
-2) has an epoxy group content of 0.04 × 10 ⁻³ eq /
g, softening point 100 ° C., bromine content 59%, average degree of polymerization 0
It was the one.

Synthesis Example 3 (Same as above) The amount of TBA used was 171.0 g, and sodium hydroxide was 1
A halogenated epoxy resin powder (A-3) was obtained in the same manner as in Synthesis Example 1 except that the amount of the 0% aqueous solution used was changed to 0.4 g and the use of TBP was omitted. The halogenated epoxy resin powder (A-3) had an epoxy group content of 1.
53 × 10 ⁻³ eq / g, softening point 101 ° C., bromine content 5
It was 0% and the average degree of polymerization was 1.

Synthesis Example 4 (same as above) TBA was used in an amount of 490.0 g and sodium hydroxide of 1
The amount of 0% aqueous solution was changed to 0.3 g, the use of TBP was omitted, and the reaction conditions were 160-220 ° C.
A halogenated epoxy resin powder (A-4) was obtained in the same manner as in Synthesis Example 1 except that the time was changed. The halogenated epoxy resin powder (A-4) had an epoxy group content of 0.15 × 10 ⁻³ eq / g, a softening point of 188 ° C., a bromine content of 52%, and an average degree of polymerization of 20.

Examples 1 to 12 The halogenated epoxy resin (A
-1) to (A-4) and tetrabromobisphenol S bis (2,3-dibromopropyl ether) [Nonen PR-2 manufactured by Marubishi Yuka Kogyo KK, hereinafter abbreviated as "Nonen"] or tetrabromobisphenol A screw (2,3-
Dibromopropyl ether) [Fireguard 3100 manufactured by Teijin Chemicals Ltd., hereinafter abbreviated as "Fireguard"]
Were charged into a 1-liter separable flask equipped with a thermometer and a stirrer with the compositions shown in Table 1 (No. 1) to (No. 3), the inside was replaced with nitrogen gas, and the contents were heated and melted. The mixture was stirred and mixed at 150 to 200 ° C. for 1 to 2 hours.

After mixing, the contents of the flask were poured into a stainless pan, cooled and pulverized to obtain a pale yellow flame retardant powder. The properties of each flame retardant are shown in Table 1 (No. 1) to (No. 3).

[0043]

[Table 1]

[0044]

[Table 2]

[0045]

[Table 3]

Examples 13 to 34 and Comparative Examples 1 to 14 Each component was blended with the composition shown in Table 2 (No. 1) to (No. 6) and Table 3, and premixed with a tumbler mixer, and then 30 mmφ Pelletized by a shaft extruder. Then, a test piece was prepared by a 1 ounce injection molding machine having a cylinder set temperature of 200 ° C. The compositions used in Comparative Examples 5 to 7 and 10 were more likely to cause burns and discoloration during molding than other compositions.

The test piece is a flammability test, a mold contamination test,
Bleed-out test was conducted, and the results are shown in Tables 2 (No. 1) to (No. 6) and Table 3. In addition, in Table 2 (No. 1) to (No. 6) and Table 3, polypropylene is MA6P manufactured by Mitsubishi Petrochemical Co., Ltd., and polyethylene is Mitsubishi Kasei.
MR-40 manufactured by K.K. and antimony trioxide are ATOX-F manufactured by Nippon Seiko Co., Ltd.

[0048]

[Table 4]

[0049]

[Table 5]

[0050]

[Table 6]

[0051]

[Table 7]

[0052]

[Table 8]

[0053]

[Table 9]

[0054]

[Table 10]

[0055]

When the flame retardant of the present invention is used, a flame-retardant olefin resin composition having a high flame retarding effect and significantly improved bleed-out can be obtained. Further, this resin composition is excellent in thermal stability, is less likely to cause burns and discoloration during molding, and has little deterioration in mechanical strength and molding processability. Therefore, a molded product having a good appearance can be obtained without the problem of mold contamination, which is useful as a material for electric / electronic parts, automobile parts and the like.

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[Procedure amendment]

[Submission date] June 30, 1992

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[0002]

2. Description of the Related Art Conventionally, regarding flame retardation of olefinic resins and the like, for example, JP-A-49-31749 and JP-B-50-35103 disclose halogenated bisphenol A bis (alkyl) having excellent flame retardancy. A technique has been disclosed in which a flame retardant composed of an ether) -based compound, a halogenated bisphenol S bis (alkyl ether) -based compound, and if necessary, a flame retardant auxiliary such as antimony trioxide is added and blended. In addition, JP-A-50-27843
JP-A-61-241322 and JP-A-61-241322 each disclose a halogenated bisphenol A type epoxy resin excellent in low volatility and heat resistance. The epoxy group of this resin is a halogenated phenol compound such as tribromophenol. It has been disclosed that a flame retardant composed of a compound having a closed structure is useful for making an olefin resin flame-retardant.

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However, the above-mentioned halogenated bisphenol bis (alkyl ether) type flame retardant has a high flame retarding effect on olefin resins, Bleeding out is notable, causing mold contamination during molding and poor appearance of molded products.
It had problems such as low thermal stability and easy occurrence of burns and discoloration during molding. Further, the halogenated bisphenol A type epoxy resin-based flame retardant has a problem that a sufficient flame retardant effect cannot be obtained even if a large amount of an olefin resin, especially polypropylene, is added and compounded. It was

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The method for producing the halogenated epoxy resin-based compound (A) used in the present invention is not particularly limited, and a halogenated bisphenol-based epoxy resin can be given as an example.
For example, it can be manufactured by the following method.

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A halogenated bisphenol type epoxy resin having an epoxy group can be obtained by condensation reaction of halogenated bisphenol and epichlorohydrin or addition reaction of diglycidyl ether of halogenated bisphenol and halogenated bisphenol.

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Olefinic resin (C) used in the present invention
As, ethylene, propylene, homopolymers of olefins such as butene, copolymers or mixtures containing these as the main component, for example, low-density polyethylene, high-density polyethylene, linear low-density polyethylene, polypropylene,
Examples thereof include polybutene, ethylene-propylene copolymer, ethylene-butene copolymer, propylene-butene copolymer, and mixtures containing these as the main components. Of these, propylene-based resins are preferable because they have a high flame retarding effect and a high bleed-out improving effect.

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(1) Softening point test (ring-and-ball type) It was measured according to JIS K-7234. (2) Bromine content test It measured based on the oxygen flask combustion method of JIS K-7229. (3) Flammability test (UL-94) Subject 9 of Underwriters Laboratories
Based on the No. 4 vertical combustion test method, length 5 inches x width 1
The measurement was performed using five test pieces each having a size of 1/2 inch × a thickness of 1/8 inch or 1/16 inch.

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(5) Bleed-out test A rectangular plate-shaped injection-molded product (80 mm in length × 80 mm in width × 3 mm in thickness) colored with black to which carbon black was added was used and heated in a hot air dryer at 80 ° C. for 120 hours. After that, the appearance of the surface of the molded product was visually evaluated.

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Synthesis Example 1 [Synthesis of halogenated epoxy resin compound (A)] Tetrabromobisphenol A diglycidyl ether [EPICLON 15 manufactured by Dainippon Ink and Chemicals, Inc.]
2, epoxy equivalent 360g / eq, bromine content 48%]
720.0 g and tetrabromobisphenol A (hereinafter abbreviated as "TBA") 427.0 g and 2,4,6-tribromophenol (hereinafter abbreviated as "TBP") 128.0 g
And were placed in a 1 liter separable flask equipped with a thermometer and a stirrer, the inside was replaced with nitrogen gas, the contents were heated and melted, and 1.3 g of a 10% aqueous solution of sodium hydroxide was added at 100 ° C. Then, the mixture was reacted at 160 to 190 ° C for 10 hours. After the reaction, the reaction product was poured into a stainless pan, cooled, and then ground to obtain a halogenated epoxy resin powder (A-1) in which most of the pale yellow epoxy groups were blocked. This halogenated epoxy resin powder (A-1) is
Epoxy group content 0.03 × 10 ^-3 eq / g, softening point 1
It had a bromine content of 54% and an average degree of polymerization of 5 at 52 ° C. The epoxy group content is the reciprocal of the epoxy equivalent (g / eq) measured according to JIS K-7236,
It is expressed in eq / g. The same applies below.

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[Table 1]

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[Table 2]

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[Table 3]

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The test piece is a flammability test, a mold contamination test,
Bleed-out tests and the like were performed, and the results are shown in Tables 2 (No. 1) to (No. 6) and Table 3. In addition, in Table 2 (No. 1) to (No. 6) and Table 3, polypropylene is MA6P manufactured by Mitsubishi Petrochemical Co., Ltd., and polyethylene is Mitsubishi Kasei.
MR-40 manufactured by K.K. and antimony trioxide are ATOX-F manufactured by Nippon Seiko Co., Ltd.

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[Table 10]

Claims (10)

[Claims] 1. A halogenated epoxy resin-based compound (A)
And a halogenated bisphenol bis (alkyl ether) -based compound (B). 2. A halogenated epoxy resin compound (A)
And halogenated bisphenol bis (alkyl ether)
The flame retardant according to claim 1, which is obtained by melt-mixing the system compound (B). 3. A halogenated epoxy resin compound (A)
The flame retardant according to claim 1 or 2, wherein is a compound having a structure in which a part or all of the epoxy groups of the halogenated epoxy resin are blocked with a halogenated phenol compound. 4. The halogenated bisphenol bis (alkyl ether) type compound (B) is tetrabromobisphenol A bis (2,3-dibromopropyl ether) or tetrabromobisphenol S bis (2,3-dibromopropyl ether). The flame retardant according to claim 1, 2 or 3. 5. A halogenated epoxy resin compound (A)
And halogenated bisphenol bis (alkyl ether)
A flame-retardant olefin resin composition, characterized in that it comprises an olefin compound (B) and an olefin resin (C). 6. A halogenated epoxy resin compound (A)
And halogenated bisphenol bis (alkyl ether)
The composition according to claim 5, which contains a flame retardant obtained by melt-mixing the system compound (B). 7. A halogenated epoxy resin compound (A)
7. The composition according to claim 5 or 6, wherein is a compound having a structure in which a part or all of the epoxy groups of the halogenated epoxy resin are blocked with a halogenated phenol compound. 8. The halogenated bisphenol bis (alkyl ether) type compound (B) is tetrabromobisphenol A bis (2,3-dibromopropyl ether) or tetrabromobisphenol S bis (2,3-dibromopropyl ether). The flame retardant according to claim 5, 6 or 7. 9. The composition according to claim 5, wherein the olefin resin (C) is a propylene resin. 10. The composition according to claim 5, which further contains a flame retardant aid (D).