WO2018042869A1 - 難燃剤組成物及び難燃性合成樹脂組成物 - Google Patents
難燃剤組成物及び難燃性合成樹脂組成物 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
- C08L5/16—Cyclodextrin; Derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K21/00—Fireproofing materials
- C09K21/06—Organic materials
- C09K21/12—Organic materials containing phosphorus
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K21/00—Fireproofing materials
- C09K21/14—Macromolecular materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0066—Flame-proofing or flame-retarding additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34922—Melamine; Derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/5205—Salts of P-acids with N-bases
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Definitions
- the present invention relates to a flame retardant composition and a flame retardant synthetic resin composition containing the flame retardant composition.
- flame retardant methods include halogen flame retardants, inorganic phosphorus flame retardants typified by polyphosphate flame retardants such as red phosphorus and ammonium polyphosphate, and organic phosphorus flame retardants typified by triaryl phosphate ester compounds. It is widely known to use metal hydroxides or antimony oxides that are flame retardant aids or melamine compounds alone or in combination.
- Patent Document 2 proposes a flame retardant using a nitrogen compound such as melamine phosphate and ammonium polyphosphate in combination with a bicyclic phosphate compound.
- an object of the present invention is to provide a flame retardant composition that is excellent in flame retardancy and color resistance and also in water resistance. Moreover, the objective of this invention is providing the flame-retardant synthetic resin composition which is excellent in the flame retardance and coloring resistance which mix
- the following component (A) is 20 to 50 parts by mass
- the following component (B) is 50 to 80 parts by mass (provided that the total of components (A) and (B) is 100 parts by mass)
- the following (C) A flame retardant composition containing 1 to 50 parts by mass of the component is provided.
- Component At least one melamine salt selected from the group consisting of melamine orthophosphate, melamine pyrophosphate and melamine polyphosphate.
- Component (C) ⁇ -cyclodextrin.
- the present invention also provides a flame retardant synthetic resin composition comprising a synthetic resin and the above flame retardant composition.
- the present invention also provides a molded article of the flame retardant synthetic resin composition.
- the present invention relates to a flame retardant composition.
- the flame retardancy is a property that a substance is difficult to ignite, and even when ignited and combustion continues, its speed is very slow, and then self-extinguishes. It means that it has at least a V-2 rank among the combustion ranks according to the UL-94V standard described in the above.
- the flame retardant composition means a composition containing one or more flame retardants.
- the flame retardant synthetic resin composition means a composition having the above flame retardancy and containing at least one synthetic resin.
- the melamine salt used as the component (A) in the flame retardant composition of the present invention is selected from the group consisting of melamine orthophosphate, melamine pyrophosphate and melamine polyphosphate. These melamine salts may be used alone, or may be used as a mixture of two or more. Among these, it is preferable to use melamine pyrophosphate from the viewpoints of flame retardancy, handling properties, and storage stability. When the melamine salt is used in a mixture, the content ratio of melamine pyrophosphate in the mixture on the mass basis is preferably the highest.
- salts of phosphoric acid and melamine can be obtained by reacting the corresponding phosphoric acid or phosphate with melamine, respectively.
- the melamine salt used in the component (A) of the present invention is preferably melamine pyrophosphate or melamine polyphosphate obtained by heat condensation of melamine orthophosphate, and particularly preferably melamine pyrophosphate.
- the piperazine salt used as the component (B) in the flame retardant composition of the present invention is selected from the group consisting of piperazine orthophosphate, piperazine pyrophosphate and piperazine polyphosphate. These piperazine salts may be used alone or in a mixture of two or more. Among these, it is preferable to use piperazine pyrophosphate from the viewpoint of flame retardancy, handling properties, and storage stability, and when piperazine salt is used as a mixture, inclusion of piperazine pyrophosphate in the mixture on a mass basis It is preferable that the ratio is the highest.
- the piperazine salt used in the component (B) of the present invention is preferably piperazine pyrophosphate or piperazine polyphosphate obtained by heat condensation of piperazine orthophosphate, particularly piperazine pyrophosphate.
- the content of the component (A) and the component (B) in the flame retardant composition of the present invention is such that the total of the component (A) and the component (B) is 100 parts by mass, and the component (A) is 20 to 50 parts by mass.
- the component (B) is 50 to 80 parts by mass, preferably the component (A) is 40 to 50 parts by mass, and the component (B) is 50 to 60 parts by mass. It is preferable to set the contents of the component (A) and the component (B) within this range since the gas barrier property and self-extinguishing of intomesent formed during combustion are increased.
- the component (C) in the flame retardant composition of the present invention is ⁇ -cyclodextrin (see the following chemical formula I).
- Cyclodextrins are cyclic oligosaccharides in which about 6-9 glucose molecules are cyclically linked by ⁇ -1,4. Cyclodextrins are classified according to the number of glucose molecules. For example, ⁇ -cyclodextrin composed of 6 glucose molecules (see the following chemical formula II), ⁇ -cyclodextrin composed of 7 glucose molecules, and glucose molecules. ⁇ -cyclodextrin composed of 8 (see Chemical Formula III below) and the like can be mentioned. In the present invention, among these cyclodextrins, ⁇ -cyclodextrin composed of 7 glucose molecules is used. It has one of the characteristics.
- ⁇ -cyclodextrin includes cyclodextrin in which the glucose side chain is chemically modified, and cyclodextrin polymerized by three-dimensional crosslinking.
- ⁇ -cyclodextrin includes methyl ⁇ -cyclodextrin, dimethyl ⁇ -cyclodextrin, ethyl ⁇ -cyclodextrin, hydroxypropyl ⁇ -cyclodextrin, diethylaminoethyl ⁇ -cyclodextrin, maltosyl ⁇ -cyclodextrin, ⁇ -cyclodextrin Polymers and the like are included.
- the content of the component (C) is 1 to 50 parts by mass with respect to 100 parts by mass in total of the component (A) and the component (B). From the viewpoint of workability, it is preferably 5 to 30 parts by mass, more preferably 5 to 15 parts by mass.
- the content of the component (C) is 1 part by mass or more, intomesent formation and flame retardancy are improved.
- coloring resistance and workability are improved.
- the flame retardant composition of the present invention may further contain zinc oxide (ZnO) (hereinafter, this component is also referred to as “component (D)”).
- ZnO zinc oxide
- the above zinc oxide functions as a flame retardant aid.
- the zinc oxide may be surface-treated.
- Commercially available zinc oxide can be used, for example, one type of zinc oxide (manufactured by Mitsui Kinzoku Mining Co., Ltd.), partially coated zinc oxide (manufactured by Mitsui Kinzoku Mining Co., Ltd.), Nano Fine 50 (average particle size) And 0.02 ⁇ m ultrafine zinc oxide (manufactured by Sakai Chemical Industry Co., Ltd.), Nanofine K (ultrafine zinc oxide coated with zinc silicate having an average particle size of 0.02 ⁇ m: Sakai Chemical Industry Co., Ltd.) and the like. .
- the content of zinc oxide as the component (D) is 1 with respect to a total of 100 parts by mass of the components (A) and (B) from the viewpoint of flame retardancy.
- the amount is preferably 0.0 to 10 parts by mass, more preferably 3.0 to 8.0 parts by mass, and still more preferably 3.0 to 6.0 parts by mass. Flame retardancy becomes good by setting the content of zinc oxide to 1 part by mass or more. On the other hand, by setting the content of zinc oxide to 10 parts by mass or less, workability is not adversely affected.
- the flame retardant composition of the present invention may further contain a silane coupling agent.
- a silane coupling agent has functions of preventing aggregation of the flame retardant powder, improving storage stability, and imparting water resistance and heat resistance.
- Examples of the silane coupling agent include compounds represented by the general formula A— (CH 2 ) k —Si (OR) 3 .
- A is an organic functional group
- k represents a number of 1 to 3
- R represents a methyl group or an ethyl group.
- Examples of the organic functional group of A include alkenyl group, acryl group, methacryl group, epoxy group, amino group, isocyanurate group, vinyl group, mercapto group, ureido group, thioester group, isocyanate group and the like.
- silane coupling agent examples include, for example, vinyltrimethoxysilane, vinyltriethoxysilane, vinyltriacetoxysilane, vinyltris (2-methoxyethoxy) silane, vinylmethyldimethoxysilane as silane coupling agents having an alkenyl group.
- silane coupling agent having a methacryl group examples include 3-methacryloxypropylmethyldimethoxysilane, 3-methacryloxypropyltrimethoxysilane, and 3-methacryloxypropylmedium.
- silane coupling agent having an epoxy group 2- (3,4-epoxycyclohexyl) ethyltrimethoxysilane, 3 -Glycidoxypropylmethyldimethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3-glycidoxypropylmethyldiethoxysilane, 3-glycidoxypropyltriethoxysilane, glycidoxyoctyltrimethoxysilane, etc.
- silane coupling agents having an amino group N-2- (aminoethyl) -3-aminopropylmethyldimethoxysilane, N-2- (aminoethyl) -3-aminopropyltrimethoxysilane, 3-aminopropyl bird Toxisilane, 3-aminopropyltriethoxysilane, 3-triethoxysilyl-N- (1,3-dimethyl-butylidene) propylamine, N-phenyl-3-aminopropyltrimethoxysilane, N, N′-bis [3 -(Trimethoxysilyl) propyl] ethylenediamine, hydrochloride of N- (vinylbenzyl) -2-aminoethyl-3-aminopropyltrimethoxysilane and the like, and silane coupling agents having an isocyanurate group include tris- (Trimethoxysilylpropyl) iso
- silane coupling agent having 3-sulfide group examples include 3-ureidopropyltrimethoxysilane and 3-ureidopropyltriethoxysilane.
- silane coupling agent having a sulfide group examples include bis (triethoxysilylpropyl) tetrasulfide.
- silane coupling agent having a thioester group examples include 3-octanoylthio-1-propyltriethoxysilane
- examples of the silane coupling agent having an isocyanate group examples include 3-isocyanatopropyltriethoxysilane and 3-isocyanatepropyltrimethoxysilane. Etc.
- a silane coupling agent having an epoxy group is preferable from the viewpoints of preventing aggregation of the flame retardant powder, improving storage stability, water resistance, and heat resistance.
- the content of the silane coupling agent is preferably 0.1 to 5.0 parts by mass with respect to a total of 100 parts by mass of the component (A) and the component (B). More preferably, it is 0.1 to 2.0 parts by mass, and still more preferably 0.1 to 1.0 part by mass.
- the flame retardant composition of the present invention may further contain a silicone oil from the viewpoint of preventing aggregation of the flame retardant powder and improving storage stability and dispersibility in a synthetic resin.
- silicone oil include polysiloxane side chain, dimethyl silicone oil whose terminal is all methyl group, polysiloxane side chain, terminal is methyl group, methyl phenyl whose part of the side chain is phenyl group
- silicone oil examples include KF-96 (manufactured by Shin-Etsu Chemical Co., Ltd.), KF-965 (manufactured by Shin-Etsu Chemical Co., Ltd.), KF-968 (manufactured by Shin-Etsu Chemical Co., Ltd.) as dimethyl silicone oil.
- methyl hydrogen silicone oil examples include KF-99 (manufactured by Shin-Etsu Chemical Co., Ltd.), KF-9901 (manufactured by Shin-Etsu Chemical Co., Ltd.), HMS-151 (manufactured by Gelest), and HMS-071 (manufactured by Gelest).
- HMS-301 (manufactured by Gelest), DMS-H21 (manufactured by Gelest), and the like.
- methylphenyl silicone oil examples include KF-50 (manufactured by Shin-Etsu Chemical Co., Ltd.), KF-53 (manufactured by Shin-Etsu Chemical Co., Ltd.). Shin-Etsu Chemical Co., Ltd.), KF-54 (Shin-Etsu Chemical Co., Ltd.), KF-56 (Shin-Etsu Chemical Co., Ltd.), and the like.
- X-22-343 (Shin-Etsu Chemical Co., Ltd.), X-22-2000 (Shin-Etsu Chemical Co., Ltd.), KF-101 (Shin-Etsu Chemical Co., Ltd.), KF-102 (Shin-Etsu Chemical Co., Ltd.) ), KF-1001 (manufactured by Shin-Etsu Chemical Co., Ltd.), carboxyl-modified products, for example, X-22-3701E (manufactured by Shin-Etsu Chemical Co., Ltd.), and carbinol-modified products, for example, X-22-4039
- Examples of the amine-modified product (manufactured by Shin-Etsu Chemical Co., Ltd.), X-22-4015 (manufactured by Shin-Etsu Chemical Co., Ltd.), and amine-modified products include KF-393 (manufactured by Shin-Etsu Chemical Co., Ltd.).
- methyl hydrogen silicone oil is preferable from the viewpoint of preventing aggregation of the flame retardant powder and improving storage stability and dispersibility in a synthetic resin. .
- the content of the flame retardant prevents the flame retardant powder from agglomerating, improves the storage stability, and improves the dispersibility in the synthetic resin.
- the amount is preferably 0.01 to 5.0 parts by weight, more preferably 0.05 to 3.0 parts by weight, based on 100 parts by weight of the total of the components (A) and (B). Even more preferred is 1 to 2.0 parts by weight.
- a lubricant may be blended with the flame retardant composition of the present invention as necessary within a range not impairing the effects of the present invention.
- the lubricant may be blended in advance with the flame retardant composition of the present invention, or may be blended with the synthetic resin when blended with the synthetic resin. It is preferable to stabilize the synthetic resin by blending these.
- examples of such lubricants include pure hydrocarbon lubricants such as liquid paraffin, natural paraffin, micro wax, synthetic paraffin, low molecular weight polyethylene and polyethylene wax; halogenated hydrocarbon lubricants; fatty acid lubricants such as higher fatty acids and oxy fatty acids.
- Fatty acid amide type lubricants such as fatty acid amides and bis fatty acid amides
- ester type lubricants such as lower alcohol esters of fatty acids, polyhydric alcohol esters of fatty acids such as glycerides, polyglycol esters of fatty acids, fatty alcohol esters of fatty acids (ester waxes) ;
- Metal soap fatty alcohol, polyhydric alcohol, polyglycol, polyglycerol, fatty acid and polyhydric alcohol partial ester, fatty acid and polyglycol, polyglycerol partial ester lubricant, silicone oil, mineral oil, etc. It is.
- Two or more lubricants may be used.
- the content is preferably 0.05 to 10 parts by mass, and more preferably 0.1 to 5. part by mass with respect to 100 parts by mass in total of the components (A) and (B). 0 mass.
- the flame retardant composition used in the present invention may be blended with a phenolic antioxidant, a phosphorus antioxidant, or the like, if necessary. These components may be blended in advance in the flame retardant composition of the present invention, or may be blended in the synthetic resin when blended in the synthetic resin. It is preferable to stabilize the synthetic resin by blending these.
- phenolic antioxidant examples include 2,6-ditert-butyl-p-cresol, 2,6-diphenyl-4-octadecyloxyphenol, distearyl (3,5-ditert-butyl-4). -Hydroxybenzyl) phosphonate, 1,6-hexamethylenebis [(3,5-ditert-butyl-4-hydroxyphenyl) propionic acid amide], 4,4'-thiobis (6-tert-butyl-m-cresol ), 2,2′-methylenebis (4-methyl-6-tert-butylphenol), 2,2′-methylenebis (4-ethyl-6-tert-butylphenol), 4,4′-butylidenebis (6-tert-butyl) -M-cresol), 2,2'-ethylidenebis (4,6-ditert-butylphenol), 2,2'-ethylidenebis (4-secondarybutyl-6-tert-butylphenol) 1,
- Examples of the phosphorus antioxidant include trisnonylphenyl phosphite, tris [2-tert-butyl-4- (3-tert-butyl-4-hydroxy-5-methylphenylthio) -5-methylphenyl].
- Phosphite tridecyl phosphite, octyl diphenyl phosphite, di (decyl) monophenyl phosphite, di (tridecyl) pentaerythritol diphosphite, di (nonylphenyl) pentaerythritol diphosphite, bis (2,4-di Tert-butylphenyl) pentaerythritol diphosphite, bis (2,6-ditert-butyl-4-methylphenyl) pentaerythritol diphosphite, bis (2,4,6-tritert-butylphenyl) pentaerythritol diphosphite Phosphite, bis (2,4-dicumylphenyl) pe Taerythritol diphosphite, tetra (tridecyl) isopropylidene diphenol diphosphit
- a crystal nucleating agent may be further blended as an optional component as long as the effects of the present invention are not impaired.
- the crystal nucleating agent those generally used as a polymer crystal nucleating agent can be appropriately used.
- any of an inorganic crystal nucleating agent and an organic crystal nucleating agent can be used. These components may be added to the synthetic resin when the flame retardant composition of the present invention is added to the synthetic resin.
- the inorganic crystal nucleating agent examples include kaolinite, synthetic mica, clay, zeolite, silica, graphite, carbon black, magnesium oxide, titanium oxide, calcium sulfide, boron nitride, calcium carbonate, barium sulfate, aluminum oxide, Mention may be made of metal salts such as neodymium oxide and phenylphosphonate. These inorganic crystal nucleating agents may be modified with an organic substance in order to enhance the dispersibility in the composition.
- organic crystal nucleating agent examples include sodium benzoate, potassium benzoate, lithium benzoate, calcium benzoate, magnesium benzoate, barium benzoate, lithium terephthalate, sodium terephthalate, potassium terephthalate, and oxalic acid.
- a plasticizer may be blended as an optional component as long as the effects of the present invention are not impaired.
- the plasticizer those generally used as polymer plasticizers can be appropriately used.
- polyester plasticizers, glycerin plasticizers, polycarboxylic acid ester plasticizers, polyalkylene glycol plasticizers and epoxies examples thereof include plasticizers.
- plasticizers These components may be added to the synthetic resin when the flame retardant composition of the present invention is added to the synthetic resin.
- additives that are usually used in synthetic resins as necessary, for example, crosslinking agents, antistatic agents, metal soaps, spotting agents, antifogging agents, and plate-out preventing agents.
- crosslinking agents for example, crosslinking agents, antistatic agents, metal soaps, spotting agents, antifogging agents, and plate-out preventing agents.
- These components may be added to the synthetic resin when the flame retardant composition of the present invention is added to the synthetic resin.
- the essential components (A) to (C), the component (D) as necessary, and other optional components may be mixed as necessary.
- Various mixers can be used. You may heat at the time of mixing. Examples of the mixer that can be used include a tumbler mixer, a Henschel mixer, a ribbon blender, a V-type mixer, a W-type mixer, a super mixer, and a Nauta mixer.
- the flame retardant composition of the present invention is effective in making a synthetic resin flame retardant.
- the flame retardant synthetic resin composition (hereinafter referred to as the flame retardant synthetic resin composition of the present invention) is used. (Also referred to as)).
- thermoplastic resins include polyolefin resins, halogen-containing resins, aromatic polyester resins, linear polyester resins, degradable aliphatic, polyamide resins, cellulose ester resins; thermoplastic resins such as polycarbonate resins and polyurethanes. Resins and blends thereof can be mentioned.
- thermosetting resin include a phenol resin, a urea resin, a melamine resin, an epoxy resin, and an unsaturated polyester resin.
- thermoplastic elastomer As another synthetic resin flame-retarded by the flame retardant composition of the present invention, olefin-based thermoplastic elastomer, styrene-based thermoplastic elastomer, polyester-based thermoplastic elastomer, nitrile-based thermoplastic elastomer, nylon-based thermoplastic elastomer, chloride Examples thereof include vinyl thermoplastic elastomers, polyamide thermoplastic elastomers, polyurethane thermoplastic elastomers, and the like. These synthetic resins may be used alone or in combination of two or more. The synthetic resin may be alloyed.
- the synthetic resin used in the present invention includes molecular weight, degree of polymerization, density, softening point, proportion of insoluble matter in solvent, degree of stereoregularity, presence or absence of catalyst residue, type and blending ratio of monomers as raw materials, polymerization catalyst Regardless of the type (for example, Ziegler catalyst, metallocene catalyst, etc.), etc. can be used.
- the synthetic resin is a thermoplastic resin
- the melt flow rate (MFR) at a load of 2.16 kg and a temperature of 230 ° C. measured in accordance with JIS K7210 is 2.0 to 2.0 from the viewpoint of processability and flame retardancy. Those having 80 g / 10 min are preferable, and those having 8.0 to 60 g / 10 min are more preferable.
- polyolefin-based resin is preferable because excellent flame retardancy can be imparted.
- polyolefin resins include polyethylene, low density polyethylene, linear low density polyethylene, high density polyethylene, polypropylene, homopolypropylene, random copolymer polypropylene, block copolymer polypropylene, impact copolymer polypropylene, high impact copolymer polypropylene, and isotactic polypropylene.
- the content of the synthetic resin is preferably 90 to 50% by mass, more preferably 80 to 60% by mass.
- the content of the flame retardant composition is preferably 10 to 40% by mass, more preferably 20 to 30% by mass.
- the molded product having excellent flame retardancy can be obtained by molding the flame retardant synthetic resin composition of the present invention.
- the molding method is not particularly limited, and examples thereof include extrusion processing, calendar processing, injection molding, roll, compression molding, blow molding, and the like, and molded products having various shapes such as resin plates, sheets, films, and irregular shaped products. Can be manufactured.
- the flame-retardant synthetic resin composition of the present invention can be used for housings (frames, housings, covers, exteriors) and parts of automobiles, machines, electrical / electronic equipments, office automation equipment, etc., automotive interior / exterior materials, etc., and UL945VA It is used for applications that require this standard.
- the flame-retardant synthetic resin composition of the present invention and the molded product thereof are electrical / electronic / communication, agriculture, forestry and fisheries, mining, construction, food, textile, clothing, medical, coal, petroleum, rubber, leather, automobile, precision equipment, It can be used in a wide range of industrial fields such as wood, building materials, civil engineering, furniture, printing and musical instruments. More specifically, printers, personal computers, word processors, keyboards, PDAs (small information terminals), telephones, copiers, facsimiles, ECRs (electronic cash registers), calculators, electronic notebooks, cards, holders, stationery, etc.
- AV equipment such as liquid crystal displays, connectors, relays, capacitors, switches, printed boards, coil bobbins, semiconductor sealing materials, LED sealing materials, electric wires, cables, transformers, deflection yokes, distribution boards, watches, etc.
- housings frames, housings, covers, exteriors
- the flame-retardant synthetic resin composition and molded product thereof include a seat (filling, outer material, etc.), belt, ceiling, compatible top, armrest, door trim, rear package tray, carpet, mat, sun visor, foil.
- Each of the flame retardant compositions obtained in No. 4 was added in the proportions shown in Table 2 (ratio in the flame retardant synthetic resin composition, unit: mass%).
- the flame retardant synthetic resin composition and the flame retardant synthetic resin compositions of Comparative Examples 5 to 11 were obtained.
- the flame retardant compositions obtained in Examples 1 to 4 were designated as Flame retardant composition-1 to Flame retardant composition-4, respectively, and the flame retardant compositions obtained in Comparative Examples 1 to 4 were used. These were designated as comparative flame retardant composition-1 to comparative flame retardant composition-4, respectively.
- the obtained flame-retardant synthetic resin composition was pressed at 220 ° C. under 5 to 15 MPa for 15 minutes to evaluate a flame-retardant test having a length of 127 mm, a width of 12.7 mm, and a thickness of 1.6 mm. A specimen was obtained. Using this test piece, flame retardancy was evaluated by the following test method. The results are shown in Table 2.
- the flame retardant synthetic resin composition was pressed at 220 ° C. and 5 to 15 MPa for 15 minutes to obtain a test piece for evaluation of colorability having a length of 60 mm, a width of 30 mm, and a thickness of 2 mm. Using this test piece, the colorability was evaluated by the following test method. The results are shown in Table 2.
- ⁇ Flame retardancy evaluation method (UL-94V standard)> A test piece having a length of 127 mm, a width of 12.7 mm, and a thickness of 1.6 mm is kept vertical, and a flame is burned at the lower end after indirect flame for 10 seconds. The time when the fire that ignited the test piece was extinguished was measured. Next, at the same time when the fire was extinguished, the second flame contact was performed for 10 seconds, and the time when the ignited fire was extinguished was measured in the same manner as the first time. Moreover, it was also evaluated at the same time whether or not the cotton under the test piece was ignited by the falling fire type. Combustion ranks were assigned according to the UL-94V standard from the first and second combustion times, the presence or absence of cotton ignition, and the like. The flame rank is V-0, and the flame retardance decreases as V-1 and V-2 are reached.
- the use of a flame retardant composition (invention product) containing ⁇ -cyclodextrin (component (C)) improves the flame retardancy of the synthetic resin and also improves the color resistance. It turns out that it improves.
- a flame retardant composition containing ⁇ -cyclodextrin or ⁇ -cyclodextrin (comparative product of component (C)) is used, the flame retardancy is not improved sufficiently or the color resistance is not improved sufficiently. It is.
- the flame retardant synthetic resin composition is excellent in flame retardancy and coloring resistance regardless of whether or not zinc oxide is contained.
- the flame-retardant composition and flame-retardant synthetic resin composition which are excellent also in water resistance can be provided.
Abstract
Description
(A)成分:オルトリン酸メラミン、ピロリン酸メラミン及びポリリン酸メラミンよりなる群から選択される少なくとも一種のメラミン塩。
(B)成分:オルトリン酸ピペラジン、ピロリン酸ピペラジン及びポリリン酸ピペラジンよりなる群から選択される少なくとも1種のピペラジン塩。
(C)成分:β-シクロデキストリン。
本発明は、難燃性組成物に係るものである。本発明において、難燃性とは、物質が着火しにくく、また着火して燃焼が持続してもその速度が非常に遅かったり、その後、自己消火したりする性質であること、好ましくは実施例に記載されているUL-94V規格に従った燃焼ランクのうち、少なくともV-2のランクを有することを意味する。難燃剤組成物とは、難燃剤の1種以上を含有する組成物を意味する。難燃性合成樹脂組成物とは、上記の難燃性を有し、且つ合成樹脂を少なくとも一種含有する組成物を意味する。
これらシランカップリング剤の中でも、難燃剤粉末の凝集を防止し、保存安定性の向上や、耐水性、耐熱性の点から、エポキシ基を有するシランカップリング剤が好ましい。
シリコーンオイルの例としては、ポリシロキサンの側鎖、末端が全てメチル基であるジメチルシリコーンオイル、ポリシロキサンの側鎖、末端がメチル基であり、その側鎖の一部がフェニル基であるメチルフェニルシリコーンオイル、ポリシロキサンの側鎖、末端がメチル基であり、その側鎖の一部が水素であるメチルハイドロジェンシリコーンオイル等や、これらのコポリマーが挙げられ、またこれらの側鎖及び/又は末端の一部に有機基を導入した、アミン変性、エポキシ変性、脂環式エポキシ変性、カルボキシル変性、カルビノール変性、メルカプト変性、ポリエーテル変性、長鎖アルキル変性、フロロアルキル変性、高級脂肪酸エステル変性、高級脂肪酸アミド変性、シラノール変性、ジオール変性、フェノール変性及び/又はアラルキル変性、させた変性シリコーンオイルを使用してもよい。
これらのフェノール系酸化防止剤の使用量は、合成樹脂に配合したときに、難燃性合成樹脂組成物中、0.001~5質量%であることが好ましく、0.05~3質量%であることがより好ましい。
これら合成樹脂は、1種でも2種以上を使用してもよい。また合成樹脂はアロイ化されていてもよい。
ポリプロピレン(JIS K7210に準拠して測定された、荷重2.16kg、230℃におけるメルトフローレート=8g/10min)60質量部に、ステアリン酸カルシウム(有機系結晶核剤)0.1質量部、テトラキス[3-(3,5-ジ第三ブチル-4-ヒドロキシフェニル)プロピオン酸メチル]メタン(フェノール系酸化防止剤)0.1質量部、トリス(2,4-ジ-第三ブチルフェニル)ホスファイト(リン系酸化防止剤)0.1質量部、グリセリンモノステアレート(滑剤)0.3質量部を配合して得られたポリプロピレン樹脂組成物に対して、実施例1~4並びに比較例1~4で得られた難燃剤組成物をそれぞれ表2記載の配合割合(難燃性合成樹脂組成物中に占める割合、単位:質量%)で添加して実施例5~10の難燃性合成樹脂組成物及び比較例5~11の難燃性合成樹脂組成物を得た。難燃剤組成物は、実施例1~4で得られた難燃剤組成物をそれぞれ難燃剤組成物-1~難燃剤組成物-4とし、比較例1~4で得られた難燃剤組成物をそれぞれ比較難燃剤組成物-1~比較難燃剤組成物-4とした。
例えば実施例6~10に示す通り、β-シクロデキストリン((C)成分)を含む場合、酸化亜鉛の含有及び非含有に関わらず、難燃性及び耐着色性に優れる難燃性合成樹脂組成物が得られている。
これに対し、比較例5、8~9に示されるように、α-シクロデキストリン((C)成分の比較品)を含む場合は、各実施例に比して難燃剤組成物の量を増やしても難燃性及び着色性に劣るか(酸化亜鉛を非含有の比較例5)、或いは、上記実施例と同程度の量であっても、耐着色性に劣るものとなる(酸化亜鉛を含有する比較例8~9)。
また比較例6、10及び11に示されるように、γ-シクロデキストリン((C)成分の比較品)を含む場合は、難燃剤組成物の量や酸化亜鉛の含有及び非含有に関わらず、耐熱性の向上が不十分である。
Claims (7)
- 下記(A)成分と下記(B)成分の合計を100質量部としたときに、(A)成分を20~50質量部及び(B)成分を50~80質量部含有し、更に下記(C)成分を1~50質量部含有する、難燃剤組成物。
(A)成分:オルトリン酸メラミン、ピロリン酸メラミン及びポリリン酸メラミンよりなる群から選択される少なくとも一種のメラミン塩。
(B)成分:オルトリン酸ピペラジン、ピロリン酸ピペラジン及びポリリン酸ピペラジンよりなる群から選択される少なくとも1種のピペラジン塩。
(C)成分:β-シクロデキストリン。 - (D)成分として、酸化亜鉛を1~10質量部含有する請求項1に記載の難燃剤組成物。
- 合成樹脂及び請求項1又は2に記載の難燃剤組成物を含有する難燃性合成樹脂組成物。
- 上記合成樹脂が、ポリオレフィン系樹脂である請求項3に記載の難燃性合成樹脂組成物。
- 請求項3又は4に記載の難燃性合成樹脂組成物の成形体。
- 下記(A)成分と下記(B)成分の合計を100質量部としたときに、(A)成分を20~50質量部及び(B)成分を50~80質量部含有し、更に下記(C)成分を1~50質量部含有する組成物を合成樹脂と混合する、合成樹脂の難燃化方法。
(A)成分:オルトリン酸メラミン、ピロリン酸メラミン及びポリリン酸メラミンよりなる群から選択される少なくとも一種のメラミン塩。
(B)成分:オルトリン酸ピペラジン、ピロリン酸ピペラジン及びポリリン酸ピペラジンよりなる群から選択される少なくとも1種のピペラジン塩。
(C)成分:β-シクロデキストリン。 - 下記(A)成分と下記(B)成分の合計を100質量部としたときに、(A)成分を20~50質量部及び(B)成分を50~80質量部含有し、更に下記(C)成分を1~50質量部含有する組成物の、難燃剤としての使用。
(A)成分:オルトリン酸メラミン、ピロリン酸メラミン及びポリリン酸メラミンよりなる群から選択される少なくとも一種のメラミン塩。
(B)成分:オルトリン酸ピペラジン、ピロリン酸ピペラジン及びポリリン酸ピペラジンよりなる群から選択される少なくとも1種のピペラジン塩。
(C)成分:β-シクロデキストリン。
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