JP2012107227A5 - - Google Patents
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- JP2012107227A5 JP2012107227A5 JP2011234927A JP2011234927A JP2012107227A5 JP 2012107227 A5 JP2012107227 A5 JP 2012107227A5 JP 2011234927 A JP2011234927 A JP 2011234927A JP 2011234927 A JP2011234927 A JP 2011234927A JP 2012107227 A5 JP2012107227 A5 JP 2012107227A5
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すなわち、本発明は、
[1] スチレン系樹脂および発泡剤を用いて押出発泡して得られるスチレン系樹脂発泡体であって、
スチレン系樹脂100重量部に対して、難燃剤として、
(A)テトラブロモビスフェノール−A−ビス(2,3−ジブロモ−2−メチルプロピルエーテル)およびテトラブロモビスフェノール−A−ビス(2,3−ジブロモプロピルエーテル)からなる混合臭素系難燃剤、または、
(B)テトラブロモビスフェノール−A−ビス(2,3−ジブロモ−2−メチルプロピルエーテル)およびトリス(2,3−ジブロモプロピル)イソシアヌレートからなる混合臭素系難燃剤を1〜6重量部含有し、かつ
該混合臭素系難燃剤中のテトラブロモビスフェノール−A−ビス(2,3−ジブロモ−2−メチルプロピルエーテル)の含有率が、該混合臭素系難燃剤全体を100重量%とした場合、25重量%〜75重量%であり、
さらに、ヒンダードアミン系安定剤を含むことを特徴とする、スチレン系樹脂押出発泡体、
[2] ヒンダードアミン系安定剤が、4−ヒドロキシ−2,2,6,6−テトラメチルピペリジン、4−ヒドロキシ−1,2,2,6,6−ペンタメチルピペリジン、または、4−ヒドロキシ−1−オクチルオキシ−2,2,6,6−テトラメチルピレリジンの脂肪族または芳香族カルボン酸エステルであることを特徴とする、[1]に記載のスチレン系樹脂押出発泡体、
[3] ヒンダードアミン系安定剤が、デカン二酸ビス(2,2,6,6−テトラメチル−4−ピペリジニル)、デカン二酸ビス(1,2,2,6,6−ペンタメチル−4−ピペリジニル)、デカン二酸ビス(2,2,6,6−テトラメチル−1(オクチルオキシ−4−ピペリジニル)またはテトラキス(2,2,6,6−テトラメチル−4−ピペリジル)−1,2,3,4−ブタンテトラカルボキシラートであることを特徴とする、[2]に記載のスチレン系樹脂押出発泡体、
[4] 混合臭素系難燃剤中のテトラブロモビスフェノール−A−ビス(2,3−ジブロモ−2−メチルプロピルエーテル)の含有率が、該混合臭素系難燃剤全体を100重量%とした場合、35重量%〜65重量部%であることを特徴とする、[1]〜[3]のいずれかに記載のスチレン系樹脂押出発泡体、
[5] さらに、リン系安定剤を含むことを特徴とする、[1] 〜[4]のいずれかに記載のスチレン系樹脂押出発泡体、
[6] リン系安定剤が、トリス(2,4−ジ−t−ブチルフェニル)ホスファイトまたはビス(2,6−ジ−t−ブチル−4−メチルフェニル)ペンタエリスリトールジホスファイトであることを特徴とする、[5]に記載のスチレン系樹脂押出発泡体、
[7] 発泡剤が、炭素数が3〜5である飽和炭化水素から選ばれる少なくとも1種、および、他の発泡剤からなることを特徴とする、[1]〜[6]のいずれかに記載のスチレン系樹脂発泡体、
[8] 他の発泡剤が、水、二酸化炭素、窒素、炭素数が2〜5のアルコール類、ジメチルエーテル、塩化メチルおよび塩化エチルよりなる群から選ばれる少なくとも一種以上含むことを特徴とする、[7]に記載のスチレン系樹脂発泡体、
[9] 他の発泡剤が、水を含むことを特徴とする、[7]または[8]に記載のスチレン系樹脂発泡体、
[10] 発泡体を形成する気泡径が、気泡径0.2mm以下の気泡と気泡径気泡径0.2mm超1mm以下の気泡より構成されることを特徴とする、[9]に記載のスチレン系樹脂発泡体、
[11] 発泡体を形成する気泡の内、気泡径0.2mm以下の気泡が、発泡体断面積あたり5〜95%の占有面積率を有することを特徴とする、[10]に記載のスチレン系樹脂発泡体、
[12] 発泡剤の使用量が、スチレン系樹脂100重量部に対して、2〜20重量部であることを特徴とする、[1]〜[11]のいずれかに記載のスチレン系樹脂発泡体、
[13] スチレン系樹脂押出発泡体の厚さが、10〜150mmであることを特徴とする、[1]〜[12]のいずれかに記載のスチレン系樹脂発泡体、
[14] スチレン系樹脂押出発泡体の密度が、15〜50kg/m 3 であることを特徴とする、[1]〜[13]のいずれかに記載のスチレン系樹脂発泡体、
[15] スチレン系樹脂押出発泡体が、JIS A9511に準じた厚さ10mm×長さ200mm×幅25mmの試験片を5本測定した時に、燃焼時間の評価として、消炎時間が5本すべて3秒以内となり、且つ、燃焼距離の評価として、5本すべてで境界線以内に停止することを特徴とする、[1]〜[14]のいずれかに記載のスチレン系樹脂発泡体、
[16] スチレン系樹脂押出発泡体が、JIS A9511に準じた厚さ10mm×長さ200mm×幅25mmの試験片を5本測定した時に、燃焼時間の評価として、発泡剤の燃焼が全くみられないことを特徴とする、[1]〜[15]のいずれかに記載のスチレン系樹脂発泡体、
[17] ポリスチレン系樹脂および発泡剤を用いて押出発泡して得られるスチレン系樹脂発泡体の製造方法であって、
スチレン系樹脂100重量部に対して、難燃剤として、
(A)テトラブロモビスフェノール−A−ビス(2,3−ジブロモ−2−メチルプロピルエーテル)およびテトラブロモビスフェノール−A−ビス(2,3−ジブロモプロピルエーテル)からなる混合臭素系難燃剤、または、
(B)テトラブロモビスフェノール−A−ビス(2,3−ジブロモ−2−メチルプロピルエーテル)およびトリス(2,3−ジブロモプロピル)イソシアヌレートからなる混合臭素系難燃剤を1〜6重量部含有し、かつ、
該混合臭素系難燃剤中のテトラブロモビスフェノール−A−ビス(2,3−ジブロモ−2−メチルプロピルエーテル)の含有率が、該混合臭素系難燃剤全体を100重量%とした場合、25重量%〜75重量%であり、
さらに、ヒンダードアミン系安定剤を含むことを特徴とする、スチレン系樹脂押出発泡体の製造方法、および、
[18] 予めスチレン系樹脂に混合臭素系難燃剤、ヒンダードアミン系安定剤、及び他の添加剤を混合した後、加熱溶融した組成物を準備し、改めて押出機に供給し加熱溶融することを特徴とする、[17]に記載のスチレン系樹脂発泡体、
に関する。
That is, the present invention
[1] A styrene resin foam obtained by extrusion foaming using a styrene resin and a foaming agent,
As a flame retardant for 100 parts by weight of styrene resin,
(A) a mixed brominated flame retardant comprising tetrabromobisphenol-A-bis (2,3-dibromo-2-methylpropyl ether) and tetrabromobisphenol-A-bis (2,3-dibromopropyl ether), or
(B) 1 to 6 parts by weight of a mixed brominated flame retardant composed of tetrabromobisphenol-A-bis (2,3-dibromo-2-methylpropyl ether) and tris (2,3-dibromopropyl) isocyanurate And when the content of tetrabromobisphenol-A-bis (2,3-dibromo-2-methylpropyl ether) in the mixed brominated flame retardant is 100% by weight of the total mixed brominated flame retardant, 25% to 75 wt% der is,
Furthermore, a styrene-based resin extruded foam characterized by containing a hindered amine-based stabilizer ,
[2] The hindered amine stabilizer is 4-hydroxy-2,2,6,6-tetramethylpiperidine, 4-hydroxy-1,2,2,6,6-pentamethylpiperidine, or 4-hydroxy-1 -Extruded foam of styrenic resin according to [1], which is an aliphatic or aromatic carboxylic acid ester of octyloxy-2,2,6,6-tetramethylpyridine,
[3] Hindered amine stabilizer is bis (2,2,6,6-tetramethyl-4-piperidinyl) decanedioate, bis (1,2,2,6,6-pentamethyl-4-piperidinyl) decanedioate ), Bis (2,2,6,6-tetramethyl-1 (octyloxy-4-piperidinyl) decanoate or tetrakis (2,2,6,6-tetramethyl-4-piperidyl) -1,2, The styrene resin extruded foam according to [2], which is 3,4-butanetetracarboxylate,
[ 4 ] When the content of tetrabromobisphenol-A-bis (2,3-dibromo-2-methylpropyl ether) in the mixed brominated flame retardant is 100% by weight based on the total mixed brominated flame retardant, Styrenic resin extruded foam according to any one of [1] to [3] , characterized in that it is 35 wt% to 65 wt%.
[5] Further, characterized in that it comprises a phosphorus-based stabilizer, [1] to a styrene resin extruded foam according to any one of [4],
[6] phosphorus stabilizer is tris (2,4-di -t- butyl-phenyl) phosphite or bis (2,6-di -t- butyl-4-methylphenyl) is pentaerythritol diphosphite phi DOO A styrene-based resin extruded foam according to [ 5 ],
[ 7 ] The foaming agent comprises at least one selected from saturated hydrocarbons having 3 to 5 carbon atoms and another foaming agent, according to any one of [1] to [ 6 ] Styrene resin foam according to the description,
[8] The other foaming agent contains at least one selected from the group consisting of water, carbon dioxide, nitrogen, alcohols having 2 to 5 carbon atoms, dimethyl ether, methyl chloride, and ethyl chloride, 7 ], a styrenic resin foam,
[9] The styrenic resin foam according to [ 7 ] or [ 8 ], wherein the other foaming agent contains water,
[10] The styrene according to [ 9 ], wherein the bubble diameter forming the foam is composed of bubbles having a bubble diameter of 0.2 mm or less and bubbles having a bubble diameter of more than 0.2 mm and not more than 1 mm. Resin foam,
[11] The styrene according to [ 10 ], wherein among the bubbles forming the foam, bubbles having a bubble diameter of 0.2 mm or less have an occupied area ratio of 5 to 95% per foam cross-sectional area. Resin foam,
[12] The styrene resin foam according to any one of [1] to [11], wherein the amount of the foaming agent used is 2 to 20 parts by weight with respect to 100 parts by weight of the styrene resin. body,
[13] The styrene resin foam according to any one of [1] to [12], wherein a thickness of the styrene resin extruded foam is 10 to 150 mm,
[14] The styrene resin foam according to any one of [1] to [13] , wherein the density of the styrene resin extruded foam is 15 to 50 kg / m 3 .
[15] When five styrene resin extruded foams were measured in accordance with JIS A9511 with a thickness of 10 mm, a length of 200 mm, and a width of 25 mm, 5 flame extinguishing times were all 3 seconds. The styrenic resin foam according to any one of [1] to [14], wherein all of the five are stopped within the boundary line as an evaluation of the combustion distance,
[16] When five styrene resin extruded foams having a thickness of 10 mm, a length of 200 mm, and a width of 25 mm according to JIS A9511 were measured, combustion of the foaming agent was observed as an evaluation of the combustion time. The styrenic resin foam according to any one of [1] to [15],
[ 17 ] A method for producing a styrene resin foam obtained by extrusion foaming using a polystyrene resin and a foaming agent,
As a flame retardant for 100 parts by weight of styrene resin,
(A) a mixed brominated flame retardant comprising tetrabromobisphenol-A-bis (2,3-dibromo-2-methylpropyl ether) and tetrabromobisphenol-A-bis (2,3-dibromopropyl ether), or
(B) 1 to 6 parts by weight of a mixed brominated flame retardant composed of tetrabromobisphenol-A-bis (2,3-dibromo-2-methylpropyl ether) and tris (2,3-dibromopropyl) isocyanurate ,And,
When the content of tetrabromobisphenol-A-bis (2,3-dibromo-2-methylpropyl ether) in the mixed brominated flame retardant is 100% by weight, the total content of the mixed brominated flame retardant is 25% by weight. Ri% to 75% by weight of der,
Furthermore, a method for producing a styrene resin extruded foam, comprising a hindered amine stabilizer , and
[18] A mixed bromine-based flame retardant, hindered amine stabilizer, and other additives are mixed with a styrene resin in advance, and then a heat-melted composition is prepared and supplied to an extruder again and melted by heating. And the styrene resin foam according to [17],
About.
Claims (18)
スチレン系樹脂100重量部に対して、難燃剤として、
(A)テトラブロモビスフェノール−A−ビス(2,3−ジブロモ−2−メチルプロピルエーテル)およびテトラブロモビスフェノール−A−ビス(2,3−ジブロモプロピルエーテル)からなる混合臭素系難燃剤、または、
(B)テトラブロモビスフェノール−A−ビス(2,3−ジブロモ−2−メチルプロピルエーテル)およびトリス(2,3−ジブロモプロピル)イソシアヌレートからなる混合臭素系難燃剤を1〜6重量部含有し、かつ
該混合臭素系難燃剤中のテトラブロモビスフェノール−A−ビス(2,3−ジブロモ−2−メチルプロピルエーテル)の含有率が、該混合臭素系難燃剤全体を100重量%とした場合、25重量%〜75重量%であり、
さらに、ヒンダードアミン系安定剤を含むことを特徴とする、スチレン系樹脂押出発泡体。 A styrene resin foam obtained by extrusion foaming using a styrene resin and a foaming agent,
As a flame retardant for 100 parts by weight of styrene resin,
(A) a mixed brominated flame retardant comprising tetrabromobisphenol-A-bis (2,3-dibromo-2-methylpropyl ether) and tetrabromobisphenol-A-bis (2,3-dibromopropyl ether), or
(B) 1 to 6 parts by weight of a mixed brominated flame retardant composed of tetrabromobisphenol-A-bis (2,3-dibromo-2-methylpropyl ether) and tris (2,3-dibromopropyl) isocyanurate If, and the content of tetrabromobisphenol -A- bis mixture brominated flame retardants in (2,3-dibromo-2-methoxypropane) is, that the whole mixture brominated flame retardants as 100 wt%, 25% to 75 wt% der is,
Furthermore, the styrene-type resin extrusion foam characterized by including a hindered amine type stabilizer .
スチレン系樹脂100重量部に対して、難燃剤として、
(A)テトラブロモビスフェノール−A−ビス(2,3−ジブロモ−2−メチルプロピルエーテル)およびテトラブロモビスフェノール−A−ビス(2,3−ジブロモプロピルエーテル)からなる混合臭素系難燃剤、または、
(B)テトラブロモビスフェノール−A−ビス(2,3−ジブロモ−2−メチルプロピルエーテル)およびトリス(2,3−ジブロモプロピル)イソシアヌレートからなる混合臭素系難燃剤を1〜6重量部含有し、かつ、
混合臭素系難燃剤中のテトラブロモビスフェノール−A−ビス(2,3−ジブロモ−2−メチルプロピルエーテル)の含有率が、該混合臭素系難燃剤全体を100重量%とした場合、25重量%〜75重量%であり、
さらに、ヒンダードアミン系安定剤を含むことを特徴とする、スチレン系樹脂押出発泡体の製造方法。 A method for producing a styrene resin foam obtained by extrusion foaming using a styrene resin and a foaming agent,
As a flame retardant for 100 parts by weight of styrene resin,
(A) a mixed brominated flame retardant comprising tetrabromobisphenol-A-bis (2,3-dibromo-2-methylpropyl ether) and tetrabromobisphenol-A-bis (2,3-dibromopropyl ether), or
(B) 1 to 6 parts by weight of a mixed brominated flame retardant composed of tetrabromobisphenol-A-bis (2,3-dibromo-2-methylpropyl ether) and tris (2,3-dibromopropyl) isocyanurate ,And,
When the content of tetrabromobisphenol-A-bis (2,3-dibromo-2-methylpropyl ether) in the mixed brominated flame retardant is 100% by weight, the total content of the mixed brominated flame retardant is 25% by weight. to 75% by weight der is,
Furthermore, the manufacturing method of a styrene-type resin extrusion foam characterized by including a hindered amine type stabilizer .
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JP5525591B1 (en) * | 2012-12-19 | 2014-06-18 | 第一工業製薬株式会社 | Flame retardant foamed styrene resin composition |
JP6061736B2 (en) * | 2012-12-27 | 2017-01-18 | 株式会社ジェイエスピー | Method for producing polystyrene resin extruded foam plate |
JP6173038B2 (en) * | 2013-05-22 | 2017-08-02 | 株式会社ジェイエスピー | Method for producing extruded polystyrene resin foam |
JP6133150B2 (en) * | 2013-07-04 | 2017-05-24 | 株式会社ジェイエスピー | Method for producing polystyrene resin foam using flame retardant melt kneaded material |
JP6412801B2 (en) * | 2015-01-13 | 2018-10-24 | 株式会社カネカ | Styrene resin extruded foam |
JP6282774B1 (en) | 2017-08-17 | 2018-02-21 | 第一工業製薬株式会社 | Flame retardant foamed styrene resin composition |
JP6855629B1 (en) | 2020-03-09 | 2021-04-07 | 第一工業製薬株式会社 | Flame Retardant Composition for Styrofoam Resin, Flame Retardant Styrene Foam Resin Composition and Extruded Foam Molded Product |
JP6972401B1 (en) | 2021-02-04 | 2021-11-24 | 第一工業製薬株式会社 | Flame Retardant Composition for Styrofoam Resin, Flame Retardant Styrofoam Resin Composition and Extruded Foaming Mold |
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JP4937610B2 (en) * | 2005-04-12 | 2012-05-23 | 第一工業製薬株式会社 | Flame-retardant foamed polystyrene resin and molded article thereof |
JP2007039606A (en) * | 2005-08-05 | 2007-02-15 | Kaneka Corp | Method for producing styrene-based resin foam and styrene-based resin foam |
JP4864473B2 (en) * | 2006-02-10 | 2012-02-01 | 第一工業製薬株式会社 | Flame retardant styrene resin composition |
JP5190484B2 (en) * | 2009-04-28 | 2013-04-24 | 第一工業製薬株式会社 | Flame retardant foamed styrene resin composition |
WO2012057060A1 (en) * | 2010-10-27 | 2012-05-03 | 株式会社カネカ | Extruded styrene resin foam and process for production thereof |
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