JP2012012489A - Flame-retardant resin composition - Google Patents
Flame-retardant resin composition Download PDFInfo
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- JP2012012489A JP2012012489A JP2010150169A JP2010150169A JP2012012489A JP 2012012489 A JP2012012489 A JP 2012012489A JP 2010150169 A JP2010150169 A JP 2010150169A JP 2010150169 A JP2010150169 A JP 2010150169A JP 2012012489 A JP2012012489 A JP 2012012489A
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000003063 flame retardant Substances 0.000 title claims abstract description 41
- 239000011342 resin composition Substances 0.000 title claims abstract description 28
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000000178 monomer Substances 0.000 claims abstract description 14
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract description 11
- -1 triazine compound Chemical class 0.000 claims abstract description 5
- 238000012360 testing method Methods 0.000 claims description 11
- 238000011156 evaluation Methods 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 abstract description 6
- 238000005034 decoration Methods 0.000 abstract description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract description 2
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 238000004581 coalescence Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- UTOPWMOLSKOLTQ-UHFFFAOYSA-N octacosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O UTOPWMOLSKOLTQ-UHFFFAOYSA-N 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 2
- VTPNYMSKBPZSTF-UHFFFAOYSA-N 1-ethenyl-2-ethylbenzene Chemical compound CCC1=CC=CC=C1C=C VTPNYMSKBPZSTF-UHFFFAOYSA-N 0.000 description 1
- NVZWEEGUWXZOKI-UHFFFAOYSA-N 1-ethenyl-2-methylbenzene Chemical compound CC1=CC=CC=C1C=C NVZWEEGUWXZOKI-UHFFFAOYSA-N 0.000 description 1
- WHFHDVDXYKOSKI-UHFFFAOYSA-N 1-ethenyl-4-ethylbenzene Chemical compound CCC1=CC=C(C=C)C=C1 WHFHDVDXYKOSKI-UHFFFAOYSA-N 0.000 description 1
- HIDBROSJWZYGSZ-UHFFFAOYSA-N 1-phenylpyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C1=CC=CC=C1 HIDBROSJWZYGSZ-UHFFFAOYSA-N 0.000 description 1
- BDFBPPCACYFGFA-UHFFFAOYSA-N 2,4,6-tris(2,4,6-tribromophenoxy)-1,3,5-triazine Chemical compound BrC1=CC(Br)=CC(Br)=C1OC1=NC(OC=2C(=CC(Br)=CC=2Br)Br)=NC(OC=2C(=CC(Br)=CC=2Br)Br)=N1 BDFBPPCACYFGFA-UHFFFAOYSA-N 0.000 description 1
- TVONJMOVBKMLOM-UHFFFAOYSA-N 2-methylidenebutanenitrile Chemical compound CCC(=C)C#N TVONJMOVBKMLOM-UHFFFAOYSA-N 0.000 description 1
- VEORPZCZECFIRK-UHFFFAOYSA-N 3,3',5,5'-tetrabromobisphenol A Chemical compound C=1C(Br)=C(O)C(Br)=CC=1C(C)(C)C1=CC(Br)=C(O)C(Br)=C1 VEORPZCZECFIRK-UHFFFAOYSA-N 0.000 description 1
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 1
- 229920001651 Cyanoacrylate Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- MWCLLHOVUTZFKS-UHFFFAOYSA-N Methyl cyanoacrylate Chemical compound COC(=O)C(=C)C#N MWCLLHOVUTZFKS-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 1
- 229920001890 Novodur Polymers 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000019892 Stellar Nutrition 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002253 acid Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical class O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
本願発明は、優れた難燃性、透明性及び色目を有する難燃性樹脂組成物に関する。 The present invention relates to a flame retardant resin composition having excellent flame retardancy, transparency and color.
従来スチレン系樹脂は電気電子機器の筐体等に広く使われてきた。近年、テレビ等映像視聴装置において、高級感などを出すために前面部分に飾り枠やデコレーションパネルなどと呼ばれる樹脂部品を取り付け、意匠性を付与する手段が広く用いられている。これらには、色調に深みを持たせるために、一般的に透明で色目が良好な材料が好んで用いられている。 Conventionally, styrenic resins have been widely used in casings of electrical and electronic equipment. In recent years, in video viewing apparatuses such as televisions, in order to give a high-class feeling and the like, means for attaching a resin part called a decorative frame or a decoration panel to the front portion to impart a design property has been widely used. For these, materials that are generally transparent and have a good color are preferred in order to give depth to the color tone.
一方、２００９年７月以降、ＥＵＲＯＰＥＡＮ ＳＴＡＮＤＡＲＤ ＥＮ６００６５が施行となり、ＥＵ域内のテレビ等はＩＥＣ−ＴＳ６２４４１（Ａｃｃｉｄｅｎｔａｌｙ ｃａｕｓｅｄ ｃａｎｄｌｅ ｆｌａｍｅ ｉｇｎｉｔｉｏｎ ｆｏｒ ａｕｄｉｏ／ｖｉｄｅｏ，ｃｏｍｍｕｎｉｃａｔｉｏｎ ａｎｄ ｉｎｆｏｒｍａｔｉｏｎ ｔｅｃｈｎｏｌｏｇｙ ｅｑｕｉｐｍｅｎｔ）の規格に適合しなければならなくなった。 On the other hand, since July 2009, the EUROPANDAN STANDARD EN60065 became effective, and televisions in the EU will not conform to IEC-TS62441 (Accurately used candidation frame audio / video, communication and information format). It was.
これらの要求を満たすためには、飾り枠やデコレーションパネルのある製品にあってはその部位に米国アンダーライターラボラトリーズ発行のＵＬ９４に準拠した方法での判定でＶ−１クラスの難燃材料をそもそも使用するか、或いは製品の飾り枠等に対し、ニードルフレームバーナーでの試験を実施し、規定の試験に合格する必要がある。 In order to satisfy these requirements, V-1 class flame retardant materials are originally used for products with decorative frames and decoration panels as judged by UL94 issued by US Underwriters Laboratories. Or, it is necessary to conduct a test with a needle frame burner on a decorative frame of a product and pass a prescribed test.
透明で色目が良好な難燃性を有する材料としては、透明なスチレン系樹脂を難燃化した材料が知られており、例えばスチレン、ブタジエン、アクリロニトリル、メタクリル酸メチルを主成分とする樹脂組成物に特定の化合物を難燃剤として添加した樹脂組成物が知られている（特許文献１）。また、透明ゴム変性樹脂に特定の難燃剤を含有させた熱可塑性樹脂組成物も知られている（特許文献２）。しかしながら、これら従来知られた材料は、色目が良好で透明性に優れているものの、米国アンダーライターラボラトリーズ発行のＵＬ９４に準拠した方法での判定ではＶ−２レベルの難燃性しかなく、かつ、上述のＩＥＣ−ＴＳ６２４４１の規格は満たしていないという問題がある。よって、透明性、色目、特定の難燃性を同時に満たす難燃性樹脂組成物が求められている。 As a transparent material having good flame retardancy, a material obtained by making a transparent styrene resin flame-retardant is known. For example, a resin composition containing styrene, butadiene, acrylonitrile, methyl methacrylate as a main component. A resin composition in which a specific compound is added as a flame retardant is known (Patent Document 1). A thermoplastic resin composition in which a specific flame retardant is contained in a transparent rubber-modified resin is also known (Patent Document 2). However, although these conventionally known materials have good color and excellent transparency, they are only flame retardant at the V-2 level when judged by a method according to UL94 issued by US Underwriters Laboratories, and There is a problem that the above-mentioned IEC-TS62441 standard is not satisfied. Therefore, there is a need for a flame retardant resin composition that simultaneously satisfies transparency, color, and specific flame retardancy.
本発明は、上記事情に鑑みなされたものであり、特定の難燃性、透明性及び色目に優れた難燃性樹脂組成物を提供することを主な目的とする。 This invention is made | formed in view of the said situation, and makes it a main objective to provide the flame-retardant resin composition excellent in specific flame retardance, transparency, and color.
本発明者らは、鋭意研究を重ねた結果、スチレン系単量体、及び特定範囲のシアン化ビニル系単量体、必要に応じてこれらと共重合可能な１種以上の単量体を共重合してなる共重合体１００質量部に対し、更に特定の難燃剤を、１質量部を超え１０質量部未満含有することで、上記課題を解決することを見出し、本発明をなすに至った。すなわち、本発明は以下の通りである。
（１）スチレン系単量体、及び１５質量％を超え２５質量％未満のシアン化ビニル系単量体、必要に応じてこれらと共重合可能な１種以上の単量体を共重合してなる共重合体１００質量部に、下記式（Ｉ）で表されるハロゲン含有トリアジン化合物を、１質量部を超え１０質量部未満含むスチレン系難燃性樹脂組成物。
（２）ヘイズの値が５％未満である、（１）に記載のスチレン系難燃性樹脂組成物。
（３）黄色度の値が１０未満である、（１）又は（２）に記載のスチレン系難燃性樹脂組成物。
（４）ＩＥＣ−ＴＳ６２４４１（初版）の５．４項に準拠した難燃性評価試験において離炎後３分以内に消火する、（１）から（３）のいずれかに記載のスチレン系難燃性樹脂組成物。
（５）（１）から（４）のいずれかに記載のスチレン系難燃性樹脂組成物からなる成形体。
（６）（１）から（４）のいずれかに記載のスチレン系難燃性樹脂組成物からなる飾り枠。
As a result of intensive studies, the present inventors have found that a styrene monomer, a specific range of vinyl cyanide monomer, and, if necessary, one or more monomers copolymerizable therewith are copolymerized. It has been found that the above-mentioned problems can be solved by containing a specific flame retardant in an amount of more than 1 part by weight and less than 10 parts by weight with respect to 100 parts by weight of the copolymer obtained by polymerization. . That is, the present invention is as follows.
(1) Copolymerizing a styrene monomer and a vinyl cyanide monomer of more than 15% by weight and less than 25% by weight, and if necessary, one or more monomers copolymerizable therewith A styrene-based flame retardant resin composition containing, in 100 parts by mass of the copolymer, a halogen-containing triazine compound represented by the following formula (I) that exceeds 1 part by mass and less than 10 parts by mass.
(2) The styrene flame-retardant resin composition according to (1), wherein the haze value is less than 5%.
(3) The styrene flame-retardant resin composition according to (1) or (2), wherein the yellowness value is less than 10.
(4) The styrenic flame retardant according to any one of (1) to (3), which extinguishes fire within 3 minutes after flame release in a flame retardant evaluation test according to Section 5.4 of IEC-TS62441 (first edition) Resin composition.
(5) A molded article comprising the styrene-based flame retardant resin composition according to any one of (1) to (4).
(6) A decorative frame comprising the styrene-based flame retardant resin composition according to any one of (1) to (4).
本願発明によれば、透明性及び色目と特定の難燃性能に優れ、特にテレビ等映像視聴装置の飾り枠等に適したスチレン系難燃性樹脂組成物を得ることができる。 According to the present invention, it is possible to obtain a styrene-based flame retardant resin composition which is excellent in transparency, color and specific flame retardancy, and particularly suitable for a decorative frame of a video viewing apparatus such as a television.
本発明について、以下具体的に説明する。 The present invention will be specifically described below.
本発明で用いられるスチレン系単量体としては、例えばスチレン、α−メチルスチレン、ｏ−メチルスチレン、ｐ−メチルスチレン、ｏ−エチルスチレン、ｐ−エチルスチレン及びｐ−ｔ−ブチルスチレンなどが挙げられる。なかでもスチレン及びα−メチルスチレンが好ましく用いられる。これらは、１種又は２種以上を用いることができる。 Examples of the styrene monomer used in the present invention include styrene, α-methyl styrene, o-methyl styrene, p-methyl styrene, o-ethyl styrene, p-ethyl styrene, and pt-butyl styrene. It is done. Of these, styrene and α-methylstyrene are preferably used. These can use 1 type (s) or 2 or more types.
シアン化ビニル系単量体としては、例えばアクリロニトリル、メタクリロニトリル及びエタクリロニトリルなどが挙げられる。なかでもアクリロニトリルが好ましく用いられる。これらは、１種又は２種以上を用いることができる。 Examples of the vinyl cyanide monomer include acrylonitrile, methacrylonitrile, ethacrylonitrile and the like. Of these, acrylonitrile is preferably used. These can use 1 type (s) or 2 or more types.
本発明の共重合体中のシアン化ビニル系単量体の比率は、色目の点から上限が２５質量％未満であり、好ましくは２３質量％未満である。また、強度の点から下限は１５質量％を超え、好ましくは１７質量％を超える。 The upper limit of the ratio of the vinyl cyanide monomer in the copolymer of the present invention is less than 25% by mass, preferably less than 23% by mass from the viewpoint of color. Moreover, a lower limit exceeds 15 mass% from the point of intensity | strength, Preferably it exceeds 17 mass%.
本発明はその特性を失わない範囲で、他の単量体を共重合してもよい。他の単量体としては、Ｎ−フェニルマレイミド、無水マレイン酸などが挙げられる。 In the present invention, other monomers may be copolymerized as long as the characteristics are not lost. Examples of other monomers include N-phenylmaleimide and maleic anhydride.
本発明で用いる難燃剤は一般式（Ｉ）で表されるハロゲン含有トリアジン化合物である。各ベンゼン環上の臭素数ｐ、ｑ、ｒは、３以上、５以下の整数である。具体例としては、下記式（ＩＩ）で表される難燃剤が挙げられる。
本発明で用いられる難燃剤の添加量は、色目の点から上限が１０質量部未満であり、好ましくは７質量部未満である。また難燃性の点から下限は１質量部を超え、好ましくは２質量部を超える。 The upper limit of the amount of the flame retardant used in the present invention is less than 10 parts by mass, preferably less than 7 parts by mass in terms of color. Moreover, a lower limit exceeds 1 mass part from a flame-resistant point, Preferably it exceeds 2 mass parts.
本発明のスチレン系難燃性樹脂組成物を得る方法は従来公知の配合方法が利用可能であり、例えば、オープンロール、インテシブミキサー、インターナルミキサー、コニーダー、二軸ローター付の連続混練機、押出機等の一般的な混和機を用いた溶融混練方法等がある。本発明の成形体を得るには、本発明のスチレン系難燃性樹脂組成物を異型押出機により連続的に押出した後、必要な長さに切断する方法が適切である。 As a method of obtaining the styrene-based flame retardant resin composition of the present invention, a conventionally known blending method can be used, for example, an open roll, an intensive mixer, an internal mixer, a kneader, a continuous kneader with a twin-screw rotor, There is a melt kneading method using a general mixer such as an extruder. In order to obtain the molded article of the present invention, a method of continuously extruding the styrene-based flame retardant resin composition of the present invention with a profile extruder and then cutting it to a required length is appropriate.
さらに本発明のスチレン系難燃性樹脂組成物には、透明性、色目、難燃性に加えて、剛性、耐衝撃性、切断性を損なわない範囲で、ホスファイト系、ヒンダードフェノール系、ベンゾトリアゾール系、ベンゾフェノン系、ベンゾエート系及びシアノアクリレート系の紫外線吸収剤及び酸化防止剤、高級脂肪酸や酸エステル系及び酸アミド系、さらに高級アルコールなどの滑剤及び可塑剤、モンタン酸及びその塩、そのエステル、そのハーフエステル、ステアリルアルコール、ステラアマイド及びエチレンワックスなどの離型剤、亜リン酸塩、次亜リン酸塩などの着色防止剤、核剤、アミン系、スルホン酸系、ポリエーテル系などの帯電防止剤、顔料などの着色剤などの添加剤を含有させてもよい。 Furthermore, in the styrene-based flame retardant resin composition of the present invention, in addition to transparency, color, and flame retardancy, in a range not impairing rigidity, impact resistance, and cutting ability, phosphite-based, hindered phenol-based, Benzotriazole, benzophenone, benzoate and cyanoacrylate UV absorbers and antioxidants, higher fatty acids, acid esters and acid amides, and higher alcohol and other lubricants and plasticizers, montanic acid and its salts, Release agents such as esters, half esters thereof, stearyl alcohol, stellar amide and ethylene wax, anti-coloring agents such as phosphites and hypophosphites, nucleating agents, amines, sulfonic acids, polyethers, etc. Additives such as antistatic agents and colorants such as pigments may be added.
以下、実施例によって本発明を更に詳細に説明する。
（１）共重合体
（１．１）スチレン−アクリロニトリル共重合体（Ａ−１）
ＩＳＯ １１３３に準拠して測定した２２０℃、１０ｋｇ荷重のメルトフローレート値が３０ｇ／１０分であるスチレン単位の含有量が８０質量％、アクリロニトリル単位の含有量が２０質量％のスチレン−アクリロニトリル共重合体を公知の方法によって製造し、使用した。
（１．２）スチレン−アクリロニトリル共重合体（Ａ−２）
ＩＳＯ １１３３に準拠して測定した２２０℃、１０ｋｇ荷重のメルトフローレート値が３０ｇ／１０分であるスチレン単位の含有量が７８質量％、アクリロニトリル単位の含有量が２２質量％のスチレン−アクリロニトリル共重合体を公知の方法によって製造し、使用した。
（１．３）透明ゴム変性スチレン系樹脂（Ａ−３）
ＰＳジャパン株式会社製ＰＳＪ−ポリスチレンＳＸ３００を用いた。
（２）難燃剤
（２．１）難燃剤（Ｂ−１）
第一工業製薬社製 ＳＲ２４５（物質名：２，４，６−トリス（２，４，６−トリブロモフェノキシ）−１，３，５−トリアジン）、臭素含有量６７質量％を使用した。
（２．２）難燃剤（Ｂ−２）
東都化成社製 ＴＢ−６０Ａ（物質名：テトラブロモビスフェノールＡエポキシオリゴマー（末端トリブロモフェノール封止タイプ）、臭素含有量５９質量％を使用した。
（２．３）難燃剤（Ｂ−３）
第八化学工業社製 ＰＸ−２００（物質名：芳香族縮合リン酸エステル）。
＜実施例、比較例＞
共重合体、難燃剤を表１に示す組成で混合し、東芝機械製ＴＥＭ３５Ｂ二軸押出機を用いて２３０℃で溶融し、混練ペレットを得た。また、得られたペレットを日本製鋼所製Ｊ−１００ＥＰＩ射出成形機、東芝機械製ＩＳ５５ＥＰＮ射出成形機を用い、シリンダー設定温度２２０℃にて長さ９０mm、幅４５mm、厚み２．５mmの試験片(1)、１５０mm角、厚み２．０mmの平板状試験片(2)、を作製し、評価を行った。評価結果を表１に示す。
＜透明性（ヘイズ）の評価方法＞
上記試験片(1)にてヘイズメーター（日本電色工業株式会社製ＮＤＨ２０００）を用いてＪＩＳ Ｋ７１３６に準拠した測定方法にて測定した。
○ ヘイズ：５％未満
× ヘイズ：５％以上
＜色目（黄色度：ＹＩ）の評価方法＞
上記試験片(1)にて多光源分光測色計（スガ試験機株式会社製ＭＳＣ−５Ｎ−ＧＶ５）を用いてＪＩＳ Ｋ７３７３に準拠した測定方法にて測定した。
○ ＹＩ：１０未満
× ＹＩ：１０以上
＜難燃性の評価方法＞
上記試験片(2)にてＩＥＣ−ＴＳ６２４４１（Ａｃｃｉｄｅｎｔａｌｙ ｃａｕｓｅｄ ｃａｎｄｌｅ ｆｌａｍｅ ｉｇｎｉｔｉｏｎ ｆｏｒ ａｕｄｉｏ／ｖｉｄｅｏ，ｃｏｍｍｕｎｉｃａｔｉｏｎ ａｎｄ ｉｎｆｏｒｍａｔｉｏｎ ｔｅｃｈｎｏｌｏｇｙ ｅｑｕｉｐｍｅｎｔ）（初版）の５．４項「Ｔｅｓｔ ｆｏｒ ｓｕｓｔａｉｎｅｄ ｆｌａｍｉｎｇ」に準拠した方法で試験を実施し、離炎後３分以内に消火したものを合格（○）、消火に３分以上かかったか、或いは消火しなかったものを不合格（×）とした。尚、接炎部位は試験片の中央部とした。
表１に示す通り、本発明のスチレン系難燃性樹脂組成物で成形した成形体はヘイズ及び黄色度が低く、難燃性に優れるものであった。
Hereinafter, the present invention will be described in more detail with reference to examples.
(1) Copolymer (1.1) Styrene-acrylonitrile copolymer (A-1)
Styrene-acrylonitrile copolymer with a content of styrene units of 80% by mass and a content of acrylonitrile units of 20% by mass with a melt flow rate value of 30 g / 10 min at 220 ° C. and a load of 10 kg measured in accordance with ISO 1133 The coalescence was prepared and used by known methods.
(1.2) Styrene-acrylonitrile copolymer (A-2)
Styrene-acrylonitrile copolymer having a content of styrene units of 78% by mass and a content of acrylonitrile units of 22% by mass with a melt flow rate value of 30 g / 10 min at 220 ° C. and a load of 10 kg measured according to ISO 1133 The coalescence was prepared and used by known methods.
(1.3) Transparent rubber-modified styrene resin (A-3)
PSJ-polystyrene SX300 manufactured by PS Japan Co., Ltd. was used.
(2) Flame retardant (2.1) Flame retardant (B-1)
SR245 (substance name: 2,4,6-tris (2,4,6-tribromophenoxy) -1,3,5-triazine) manufactured by Dai-ichi Kogyo Seiyaku Co., Ltd. and bromine content of 67% by mass were used.
(2.2) Flame retardant (B-2)
TB-60A (substance name: tetrabromobisphenol A epoxy oligomer (terminal tribromophenol-encapsulated type) manufactured by Tohto Kasei Co., Ltd., bromine content of 59% by mass was used.
(2.3) Flame retardant (B-3)
PX-200 (substance name: aromatic condensed phosphate ester) manufactured by Eighth Chemical Industry Co., Ltd.
<Examples and comparative examples>
A copolymer and a flame retardant were mixed in the composition shown in Table 1, and melted at 230 ° C. using a TEM35B twin screw extruder manufactured by Toshiba Machine to obtain kneaded pellets. In addition, the obtained pellets were tested using a J-100EPI injection molding machine manufactured by Nippon Steel Works and an IS55EPN injection molding machine manufactured by Toshiba Machine Co., Ltd. at a cylinder setting temperature of 220 ° C. and having a length of 90 mm, a width of 45 mm, and a thickness of 2.5 mm. 1) A 150 mm square flat plate test piece (2) having a thickness of 2.0 mm was prepared and evaluated. The evaluation results are shown in Table 1.
<Transparency (haze) evaluation method>
It measured with the measuring method based on JISK7136 using the haze meter (Nippon Denshoku Industries Co., Ltd. NDH2000) with the said test piece (1).
○ Haze: Less than 5% x Haze: 5% or more <Evaluation method of color (yellowness: YI)>
It measured with the measuring method based on JISK7373 using the multi-light source spectrocolorimeter (MSC-5N-GV5 by Suga Test Instruments Co., Ltd.) with the said test piece (1).
○ YI: Less than 10 × YI: 10 or more <Flame retardance evaluation method>
5.4 Test method according to IEC-TS62441 (accidentally used candle frame for audio / video, communication and information technology) (first edition) 5.4 test test. In addition, a fire extinguished within 3 minutes after flame removal was accepted (◯), and a fire extinguished for 3 minutes or more was not accepted (x). In addition, the flame contact part was made into the center part of the test piece.
As shown in Table 1, the molded body molded with the styrene-based flame retardant resin composition of the present invention had low haze and yellowness and was excellent in flame retardancy.
本願発明によれば、透明性及び色目と特定の難燃性能に優れ、テレビ等映像視聴装置の飾り枠等に適したスチレン系難燃性樹脂組成物を得ることができる。本願発明のスチレン系難燃性樹脂組成物を飾り枠等に使用したテレビ等映像視聴装置は、製品の商品価値を高めることが可能となる。 According to the present invention, it is possible to obtain a styrene-based flame-retardant resin composition which is excellent in transparency, color and specific flame retardancy, and is suitable for a decorative frame of a video viewing apparatus such as a television. An image viewing apparatus such as a television using the styrene-based flame retardant resin composition of the present invention in a decorative frame or the like can increase the commercial value of the product.
Claims (6)
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| JP2010150169A JP2012012489A (en) | 2010-06-30 | 2010-06-30 | Flame-retardant resin composition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010150169A JP2012012489A (en) | 2010-06-30 | 2010-06-30 | Flame-retardant resin composition |
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