JP4653507B2 - 発泡性スチレン系樹脂粒子 - Google Patents
発泡性スチレン系樹脂粒子 Download PDFInfo
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- JP4653507B2 JP4653507B2 JP2005029189A JP2005029189A JP4653507B2 JP 4653507 B2 JP4653507 B2 JP 4653507B2 JP 2005029189 A JP2005029189 A JP 2005029189A JP 2005029189 A JP2005029189 A JP 2005029189A JP 4653507 B2 JP4653507 B2 JP 4653507B2
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- JP
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- Prior art keywords
- resin particles
- styrene resin
- expandable
- molded product
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011347 resin Substances 0.000 title claims description 102
- -1 ester compound Chemical class 0.000 claims description 67
- 239000004088 foaming agent Substances 0.000 claims description 33
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 27
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 claims description 22
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- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 claims description 18
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 claims description 18
- ODLMAHJVESYWTB-UHFFFAOYSA-N propylbenzene Chemical compound CCCC1=CC=CC=C1 ODLMAHJVESYWTB-UHFFFAOYSA-N 0.000 claims description 18
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 17
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- RDOFJDLLWVCMRU-UHFFFAOYSA-N Diisobutyl adipate Chemical compound CC(C)COC(=O)CCCCC(=O)OCC(C)C RDOFJDLLWVCMRU-UHFFFAOYSA-N 0.000 claims description 5
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- 238000005259 measurement Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
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- 239000012085 test solution Substances 0.000 description 3
- QEQBMZQFDDDTPN-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy benzenecarboperoxoate Chemical compound CC(C)(C)OOOC(=O)C1=CC=CC=C1 QEQBMZQFDDDTPN-UHFFFAOYSA-N 0.000 description 2
- KDGNCLDCOVTOCS-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy propan-2-yl carbonate Chemical compound CC(C)OC(=O)OOC(C)(C)C KDGNCLDCOVTOCS-UHFFFAOYSA-N 0.000 description 2
- NPNPZTNLOVBDOC-UHFFFAOYSA-N 1,1-difluoroethane Chemical compound CC(F)F NPNPZTNLOVBDOC-UHFFFAOYSA-N 0.000 description 2
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 2
- 240000002791 Brassica napus Species 0.000 description 2
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- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
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- ZQMHJBXHRFJKOT-UHFFFAOYSA-N methyl 2-[(1-methoxy-2-methyl-1-oxopropan-2-yl)diazenyl]-2-methylpropanoate Chemical compound COC(=O)C(C)(C)N=NC(C)(C)C(=O)OC ZQMHJBXHRFJKOT-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- JXTPJDDICSTXJX-UHFFFAOYSA-N n-Triacontane Natural products CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC JXTPJDDICSTXJX-UHFFFAOYSA-N 0.000 description 1
- QYZFTMMPKCOTAN-UHFFFAOYSA-N n-[2-(2-hydroxyethylamino)ethyl]-2-[[1-[2-(2-hydroxyethylamino)ethylamino]-2-methyl-1-oxopropan-2-yl]diazenyl]-2-methylpropanamide Chemical compound OCCNCCNC(=O)C(C)(C)N=NC(C)(C)C(=O)NCCNCCO QYZFTMMPKCOTAN-UHFFFAOYSA-N 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- KSCKTBJJRVPGKM-UHFFFAOYSA-N octan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCCCCCC[O-].CCCCCCCC[O-].CCCCCCCC[O-].CCCCCCCC[O-] KSCKTBJJRVPGKM-UHFFFAOYSA-N 0.000 description 1
- SRSFOMHQIATOFV-UHFFFAOYSA-N octanoyl octaneperoxoate Chemical compound CCCCCCCC(=O)OOC(=O)CCCCCCC SRSFOMHQIATOFV-UHFFFAOYSA-N 0.000 description 1
- 239000003346 palm kernel oil Substances 0.000 description 1
- 235000019865 palm kernel oil Nutrition 0.000 description 1
- 239000002540 palm oil Substances 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- BWJUFXUULUEGMA-UHFFFAOYSA-N propan-2-yl propan-2-yloxycarbonyloxy carbonate Chemical compound CC(C)OC(=O)OOC(=O)OC(C)C BWJUFXUULUEGMA-UHFFFAOYSA-N 0.000 description 1
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- 239000008259 solid foam Substances 0.000 description 1
- 229940032094 squalane Drugs 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
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- 238000005292 vacuum distillation Methods 0.000 description 1
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- 229920002554 vinyl polymer Polymers 0.000 description 1
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- 229930003231 vitamin Natural products 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
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Description
発泡性スチレン系樹脂粒子中における芳香族有機化合物の含有量は下記の要領で測定される。即ち、発泡性スチレン系樹脂粒子1gを精秤し、この精秤した発泡性スチレン系樹脂粒子に、0.1体積%のシクロペンタノールを含有するジメチルホルムアミド溶液1ミリリットルを内部標準液として加えた後、更に、上記ジメチルホルムアミド溶液にジメチルホルムアミドを加えて25ミリリットルとして測定溶液を作製し、この測定溶液1.8マイクロリットルを230℃の試料気化室に供給してガスクロマトグラフから測定対象となる芳香族有機化合物のチャートを得、予め測定しておいた、測定対象となる芳香族有機化合物の検量線に基づいて、上記チャートから芳香族有機化合物量を算出する。
検出器:FID
カラム:ジーエルサイエンス社製(3mm径×2.5m)
液相:PEG−20M PT 25重量%
担体:Chromosorb W AW−DMCS
メッシュ:60/80
カラム温度:100℃
検出器温度:230℃
注入口温度:230℃
キャリアーガス:窒素
キャリアーガス流量:40ミリリットル/分
発泡性スチレン系樹脂粒子中における発泡剤の含有量は下記の要領で測定されたものをいう。即ち、発泡性スチレン系樹脂粒子を180℃の加熱炉に供給してガスクロマトグラフから測定対象となる発泡剤のチャートを得、予め測定しておいた、測定対象となる発泡剤の検量線に基づいて、上記チャートから発泡性スチレン系樹脂粒子中の発泡剤量を算出する。
検出器:FID
加熱炉:島津製作所社製 商品名「PYR−1A」
カラム:信和化工社製(3mm径×3m)
液相:Squalane 25重量%
担体:Shimalite 60〜80 NAW
加熱炉温度:180℃
カラム温度: 70℃
検出器温度:110℃
注入口温度:110℃
キャリアーガス:窒素
キャリアーガス流量:60ミリリットル/分
発泡性スチレン系樹脂粒子0.2gを約10ミリリットルの2−ブタノン中に溶解し、得られた溶解液を約35ミリリットルのメタノール中に攪拌しながら滴下してスチレン系樹脂を沈殿させる。この沈殿したスチレン系樹脂を濾紙(5A)で除去し、得られた濾液を50ミリリットル容積のメスフラスコに供給した後、この濾液中に内部標準としてピレン100μg/ミリリットルのメタノール溶液1ミリリットルを加え、更に、メタノールを加えて全体を50ミリリットルとして試験液とする。
カラム:J&W社製 商品名「DB−5」φ0.25mm×30m 膜圧0.25μm
スピリット比 1:10
注入口温度 240℃
インターフェイス温度 260℃
カラム温度 70℃に1分間に亘って保持した後、15℃/分の昇温速度で260℃ま で昇温し、更に、10℃/分の昇温速度にて300℃まで昇温し、300 ℃にて3分間に亘って保持
キャリアーガス ヘリウム(カラム流量:1.2ミリリットル/分)
試験液注入量 2マイクロリットル
示差走査熱量計を用いて、脂肪酸トリグリセライド5〜10mgを0℃から昇温速度10℃/分にて120℃まで昇温して得られたDSC曲線の吸熱ピーク温度を脂肪酸トリグリセライドの融点とする。
攪拌機が付いたオートクレーブ中に、スチレンモノマー40000重量部、リン酸三カルシウム(大平化学社製)120重量部、ドデシルベンゼンスルフォン酸ソーダ4重量部、ベンゾイルパーオキサイド(純度75%)140重量部、t−ブチルパーオキシベンゾエート30重量部及びイオン交換水40000重量部を供給した後、オートクレーブの攪拌機の攪拌羽を80rpmの攪拌速度で回転させてオートクレーブ内を攪拌して懸濁液を作製した。
可塑剤をオートクレーブ内に供給した後であって100℃に昇温する前に、難燃剤としてテトラブロモシクロオクタン(TBCO)1.0重量部、難燃助剤としてジクミルパーオキサイド(DCP)0.3重量部をオートクレーブ内に供給したこと以外は実施例1と同様にして直方体形状の発泡成形品を得た。
可塑剤をオートクレーブ内に供給した後であって100℃に昇温する前に、難燃剤としてテトラブロモシクロオクタン(TBCO)1.0重量部、難燃助剤としてジクミルパーオキサイド(DCP)0.3重量部をオートクレーブ内に供給したこと以外は実施例10と同様にして直方体形状の発泡成形品を得た。
直方体形状の発泡成形品1の平面長方形状(縦1840mm×横930mm)の上面及び下面のそれぞれにおいて、対角線状に位置する頂点間に一本の糸をまっすぐに張った状態に配設し、糸とこの糸に対向する発泡成形品1の上下面との間における垂直方向の距離のうち、最長となる距離A,B(図1参照)を測定し、下記式に基づいて変形率を算出した。そして、変形率が1%未満を○、1%以上を×として評価した。
変形率(%)=100×(A+B)/530
発泡成形品における厚み方向の中心部から縦1840mm×横930mm×厚み50mmの試験シートをニクロム線を用いて切り出した。次に、この試験シートにその縦方向の中央において横方向に沿ってカッタナイフを用いて深さ約5mmの切込線を入れた。
熱融着率(%)=100×b/a
Claims (1)
- スチレン系樹脂粒子に発泡剤を含浸させてなる発泡性スチレン系樹脂粒子であって、スチレン系モノマー、エチルベンゼン、イソプロピルベンゼン、ノルマルプロピルベンゼン、キシレン及びトルエンからなる群から選ばれた一種又は二種以上の芳香族有機化合物の総重量が発泡性スチレン系樹脂粒子の全重量に対して2000ppm未満であり、アジピン酸ジイソブチル、アジピン酸ジイソノニル及びセバシン酸エステルからなる群から選ばれた少なくとも一種のエステル化合物が合計0.2〜1.0重量%含有され、且つ、上記発泡剤の総重量と、上記エステル化合物の総重量との比(発泡剤の総重量/エステル化合物の総重量)が7〜70であると共に、表面に融点が50〜90℃の脂肪酸トリグリセライドを上記発泡性スチレン系樹脂粒子100重量部に対して0.01〜0.5重量部、付着させていることを特徴とする発泡性スチレン系樹脂粒子。
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JP5436768B2 (ja) * | 2007-10-31 | 2014-03-05 | 株式会社ジェイエスピー | スチレン系樹脂発泡粒子及びスチレン系樹脂発泡粒子成形体 |
JP5044375B2 (ja) * | 2007-11-28 | 2012-10-10 | 積水化成品工業株式会社 | 難燃性発泡性ポリスチレン系樹脂粒子の製造方法 |
CN101910267B (zh) * | 2007-12-28 | 2013-01-16 | 积水化成品工业株式会社 | 阻燃性可发泡的基于苯乙烯的树脂粒子及其制备方法 |
JP5126971B2 (ja) * | 2008-03-26 | 2013-01-23 | 積水化成品工業株式会社 | 発泡性ポリスチレン系樹脂粒子及びその製造方法、並びに、予備発泡粒子及び発泡成形品 |
JP2010254939A (ja) * | 2009-03-30 | 2010-11-11 | Sekisui Plastics Co Ltd | 住宅の床下に用いられる断熱材用発泡性ポリスチレン系樹脂粒子及び住宅の床下用断熱材 |
JP2011016934A (ja) * | 2009-07-09 | 2011-01-27 | Sekisui Plastics Co Ltd | 盛土用部材 |
JP2010254940A (ja) * | 2009-03-30 | 2010-11-11 | Sekisui Plastics Co Ltd | ヒートポンプ式給湯器の貯湯タンクに用いられる断熱材用発泡性ポリスチレン系樹脂粒子及びヒートポンプ式給湯器の貯湯タンク用断熱材 |
JP7339510B2 (ja) * | 2019-08-02 | 2023-09-06 | 株式会社ジェイエスピー | スチレン系樹脂発泡ブロック |
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JPS62161843A (ja) * | 1986-01-10 | 1987-07-17 | Hitachi Chem Co Ltd | 着色発泡性スチレン系樹脂粒子の製造法 |
JP2001151926A (ja) * | 1999-11-26 | 2001-06-05 | Hitachi Chem Co Ltd | 自己消火性ポリスチレン樹脂粒子及びこれを用いた発泡成形品 |
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JP2003327739A (ja) * | 2002-05-14 | 2003-11-19 | Mitsubishi Kagaku Form Plastic Kk | 発泡性ポリスチレン系樹脂粒子 |
JP2003335891A (ja) * | 2002-05-21 | 2003-11-28 | Kanegafuchi Chem Ind Co Ltd | 発泡性ポリスチレン系樹脂粒子、ポリスチレン系発泡成形体、およびその製造方法 |
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JPS59152933A (ja) * | 1983-02-17 | 1984-08-31 | Kanegafuchi Chem Ind Co Ltd | 着色された発泡ポリスチレンビ−ズ |
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JP2001151926A (ja) * | 1999-11-26 | 2001-06-05 | Hitachi Chem Co Ltd | 自己消火性ポリスチレン樹脂粒子及びこれを用いた発泡成形品 |
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JP2003335891A (ja) * | 2002-05-21 | 2003-11-28 | Kanegafuchi Chem Ind Co Ltd | 発泡性ポリスチレン系樹脂粒子、ポリスチレン系発泡成形体、およびその製造方法 |
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