JP6364418B2 - ビニル芳香族重合体及び/又は共重合体の濃縮重合体組成物 - Google Patents
ビニル芳香族重合体及び/又は共重合体の濃縮重合体組成物 Download PDFInfo
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Description
ゴム変性スチレン樹脂100重量部、
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)、ヘキサブロモシクロドデカン及びそれらの組み合わせから選択される化合物を0.1〜10重量部含む難燃剤0.2〜20重量部、
潤滑剤としてのステアリン酸カルシウム0.1〜3重量部。
発泡性又は非発泡性ビニル芳香族重合体、
以下を含む難燃剤の組成物:
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)、
アルキルスズメルカプトアルカン酸塩、及び
ゼオライトアジュバント。
a)組成物全体に対する算出において、10重量%〜90重量%の量のビニル芳香族重合体及び/又は共重合体、
b)組成物全体に対する算出において、0.01重量%〜5重量%の量のエポキシ官能基を含む少なくとも1つの化合物、
c)組成物全体に対する算出において、10重量%〜90重量%の量の少なくとも1つの赤外線吸収剤。
a)10重量%〜90重量%の量のビニル芳香族重合体及び/又は共重合体、
b)0.01重量%〜5重量%の量のエポキシ官能基を含む少なくとも1つの化合物、
c)10重量%〜90重量%の量の少なくとも1つの赤外線吸収剤。
A)50重量%〜100重量%の量のビニル芳香族重合体及び/又は共重合体、
B)少なくとも1つの発泡剤、
C)少なくとも1つの赤外線吸収剤、
D)少なくとも1つのハロゲン化難燃剤、
E)25℃の温度で測定したスチレンへの溶解度が5g/100gよりも高い、好適には20g/100gよりも高いことを特徴とする、エポキシ官能基を含む少なくとも1つの化合物。
式中Rは水素又はメチル基、nは0又は1〜5の範囲の整数であり、Yはハロゲン、好適には塩素若しくは臭素、又は炭素数1〜4のアルキル若しくはアルコキシルラジカルから選択される。
エポキシ化合物の添加量の大幅な低減、
得られた発泡性顆粒の燃焼挙動試験(DIN 4102)における大幅な向上、
存在する赤外線吸収剤の純度にかかわらず、発泡性顆粒中のHBr濃度が大幅に低減。
i. 以下の化合物を混合する工程:
a. 混合物全体に対して10重量%〜90重量%の量のビニル芳香族重合体及び/又は共重合体と、
b. 混合物全体に対して0.01重量%〜5重量%の量のエポキシ官能基を含む少なくとも1つの化合物と、
c. 混合物全体に対して10重量%〜90重量%の量の少なくとも1つの赤外線吸収剤とを、
濃縮重合体組成物を形成するように混合する工程;
ii. 前記濃縮重合体組成物を、溶融状態のビニル芳香族重合体及び/又は共重合体、少なくとも1つの難燃添加剤及び可能であれば少なくとも1つの発泡剤を含む主流れに組み込み、副又は二次重合体流れを形成させる工程;
iii. ビニル芳香族重合体及び/又は共重合体が顆粒状態である場合、重合体及び/又は共重合体を相対融点よりも高い温度にまで加熱し、難燃添加剤及び可能であれば発泡剤を組み込む前に溶融流れを形成する工程;
iv. 該重合体副(又は二次)流れを、可能であれば発泡剤と共に、溶融状態のビニル芳香族重合体及び/又は共重合体を含む二次重合体流れ、又は主重合体流れに組み込み、自己消火発泡性組成物を形成する工程。
a)組成物全体に対して算出された、10重量%〜90重量%の量のビニル芳香族重合体及び/又は共重合体と、
b)組成物全体に対して算出された、0.01重量%〜5重量%の量のエポキシ官能基を含む少なくとも1つの化合物と、
c)組成物全体に対して算出された、10重量%〜90重量%の量の少なくとも1つの赤外線吸収剤。
a)発泡性ポリスチレン顆粒中に存在するHBr濃度、
b)耐炎試験(DIN 4102 B2)
c)発泡したポリスチレン顆粒の圧縮特性
表1及び2はまた、異なる純度を特徴とする石油コークスの使用で得られた結果を示している。
エチルベンゼン89.8部、スチレン853.8部、α-メチルスチレン56.2部、ジビニルベンゼン0.2部(合計1000部)を混合反応器に入れる。反応を125℃、2時間の平均滞留時間で行う。
比較例1を繰り返し、二次又は副重合体流れ(副流れ)に、通称Marproof G-0250 SP、NOF社製(油化事業)の3% w/wのスチレン-グリシジルメタクリレート共重合体(Mw約20,000、エポキシ当量=310 g/eq)を導入した。
比較例2を繰り返し、二次又は副重合体流れ(副流れ)に、低下した純度(0.96%に等しい灰分含有量)を特徴とするか焼石油コークス(Asburyグレード4023)を導入した。したがって二次重合体流れは、二軸押出機中での、ポリスチレンN2982(Polimeri Europa社)377部、HBCD Saytex HP 900(Albemarle社から販売されるヘキサブロモシクロドデカン)87部、Perkadox 30(Akzo Nobel社から販売される2,3-ジメチル-2,3-ジフェニルブタン)10部、50% w/wがか焼石油コークスAsbury 4357であり、残り50% w/wがポリスチレン(N1782 Versalis社)からなる材料の濃縮物(マスターバッチ)478部及び、通称Marproof G-0250 SP、NOF社製(油化事業)のスチレン-グリシジルメタクリレート共重合体(Mw約20,000、エポキシ当量=310 g/eq)48部の混合により得られた。
比較例1を繰り返し、二次又は副重合体流れ(副流れ)に、PS(N1782 Versalis社)、高純度の石油コークス(Timcal PC 6:0.15% w/wに等しい灰分含有量)、及び通称Marproof G-0250 SP、NOF社製(油化事業)のスチレン-グリシジルメタクリレート共重合体(Mw約20,000、エポキシ当量=310 g/eq)からなるマスターバッチを導入した。
実施例1を繰り返し、二次又は副重合体流れ(副流れ)に、ポリスチレン(N1782 Versalis社)、純度が低下した石油コークス(コークスAsbury 4023:0.96 w/wより高い灰分含有量)、及び通称Stuktol Polydis 3735、Schill-Seilacher社製の樹脂からなるマスターバッチを導入した。Polydis 3735はノボラック多官能性有機リンエポキシ樹脂であり、9,10ジヒドロ-9-オキサ-10-ホスホフェナントレン-10-オキシドと多官能性エポキシ樹脂との反応で得られる。
比較例1を繰り返し、二次重合体流れ(副流れ)に、ポリスチレン(N1782 Versalis社)と、高純度の石油コークス(コークスTimcal PC 6:0.2% w/wより低い灰分含有量)からなる同じ種類のマスターバッチであるが、この場合において難燃剤ヘキサブロモシクロドデカンが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に置き換えられているマスターバッチを導入した。
比較例1を繰り返し、二次又は副重合体流れ(副流れ)に、PS(N1782 Versalis社)と、純度が低下した石油コークス(コークスAsbury 4357:灰分含有量=0.88 w/w)とからなり;加えて、難燃剤ヘキサブロモシクロドデカンが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に置き換えられているマスターバッチを導入した。
比較例2を繰り返し、二次又は副重合体流れ(副流れ)に、ポリスチレン(N1782 Versalis社)と、高純度の石油コークス(コークスTimcal PC 6:0.2% w/wより低い灰分含有量)からなる同じ種類のマスターバッチであるが、この場合において難燃剤ヘキサブロモシクロドデカンが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に置き換えられており、また通称Stuktol Polydis 3735、Schill-Seilacher社製のエポキシ樹脂も添加されたマスターバッチを導入した。
比較例2を繰り返し、二次重合体流れ(副流れ)に、PS(N1782 Versalis社)と、純度が低下した石油コークス(コークスAsbury 4357:灰分含有量=0.86 % w/w)からなり、通称Stuktol Polydis 3735(Schill-Seilacher社)のエポキシ樹脂を用いて生成されたマスターバッチを導入した。しかしながら、本実施例において難燃剤ヘキサブロモシクロドデカンが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に置き換えられている。
(水性懸濁液中での処理)
水150重量部、ピロリン酸ナトリウム0.2部、スチレン89部、tert-ブチルペルオキシ-2-エチルヘキサン酸0.25重量部、tert-ブチル過安息香酸0.25重量部、及び、Asbury Graphite Mills社(米国)から販売され、粒度MT50%が約5 μmであり、BETが約20 m2/gであり、硫黄含有量が約1.1%である50% w/wのか焼カーボンコークス4023と、残り50% w/wがポリスチレンN2982(Versalis社)からなる材料の濃縮物(マスターバッチ)11重量部の混合物を、密閉混合容器に投入する。Albemarle社から販売されるヘキサブロモシクロドデカン、Saytex HP 900を1.4部と0.3%ジクミルペルオキシドを加え、生成物を耐火性にする。混合物を、撹拌しながら90℃にまで加熱する。
(水性懸濁液中での処理)
水150重量部、ピロリン酸ナトリウム0.2部、スチレン89部、tert-ブチルペルオキシ-2-エチルヘキサン酸0.25重量部、tert-ブチル過安息香酸0.25重量部、及び、Asbury Graphite Mills社(米国)から販売され、粒度MT50%が約5 μmであり、BETが約20 m2/gであり、硫黄含有量が約1.1%であるか焼カーボンコークス4023 50% w/wと、NOF社から販売される1.5% w/wのスチレン-グリシジルメタクリレート共重合体MarprooF G -0250SP(Mw約20,000、エポキシ当量=310 g/eq)48.5% w/wとを押出機で混合して得られる材料の濃縮物(マスターバッチ)11重量部の混合物を、密閉混合容器に投入する。Chemtura PE社から販売される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、通称PE 68を2.2部と、0.3%ジクミルペルオキシドを加え、生成物を耐火性にする。混合物を、撹拌しながら90℃にまで加熱する。
この時点で、イオンクロマトグラフィー用溶離液25 mlをキャリブレーションピペットを用いて試験管に加え、試験管を閉じ混合物を約20分間撹拌し、その後試験管内の有機相と水相を分離する(約20分間)。
CBr- [ppm] = Cs x Vs / W試料
式中:
CBr-:ppm(w/w)で表されるポリスチレン試料中の臭化物濃度;
Cs:クロマトグラフィーで得られた、ppm(w/v)で表される水相中の臭化物濃度;
Vs:mlで表される、抽出で用いた溶液の体積
W試料:gで表される、最初のポリスチレン試料の重量
Claims (13)
- 以下a)〜c)を含む濃縮重合体組成物:
a)ビニル芳香族重合体及び/又は共重合体10重量%〜50重量%、
b)エポキシ官能基を含む少なくとも1つの化合物0.01重量%〜5重量%、
c)少なくとも1つの赤外線吸収剤10重量%〜48.6重量%
であって、前記赤外線吸収剤が石油コークスである濃縮重合体組成物。 - コークスの灰分含有量が、ASTM DIN 51903の方法に従い測定すると、前記吸収剤に対して0.2% w/wよりも高く5% w/w以下である、請求項1に記載の濃縮重合体組成物。
- エポキシ官能基を含む前記化合物が、スチレン-グリシジルメタクリレート共重合体又はノボラック多官能性有機リンエポキシ樹脂から選択される、請求項1又は2に記載の濃縮重合体組成物。
- 以下i〜ivの工程を含む、
A)自己消火発泡性組成物全体に対する算出において、少なくとも50重量%に等しい量のビニル芳香族重合体及び/又は共重合体、
B)少なくとも1つの発泡剤、
C)少なくとも1つの赤外線吸収剤、
D)少なくとも1つのハロゲン化難燃剤、
E)25℃の温度で測定したスチレンへの溶解度が5g/100gよりも高いことを特徴とする、エポキシ官能基を含む少なくとも1つの化合物
を含む自己消火発泡性組成物の連続魂の製造方法:
i. 以下の化合物、すなわち:
a.ビニル芳香族重合体及び/又は共重合体10重量%〜50重量%と、
b.エポキシ官能基を含む少なくとも1つの化合物0.01重量%〜5重量%と、
c.少なくとも1つの赤外線吸収剤10重量%〜48.6重量%とを、濃縮重合体組成物を形成するように混合する工程;
ii. 前記濃縮重合体組成物を、溶融状態のビニル芳香族重合体及び/又は共重合体、少なくとも1つの難燃添加剤及び可能であれば少なくとも1つの発泡剤を含む主流れに組み込み、重合体副流れを形成させる工程;
iii. 該ビニル芳香族重合体及び/又は共重合体が顆粒状態である場合、該重合体及び/又は共重合体を相対融点よりも高い温度にまで加熱し、該難燃添加剤及び可能であれば該発泡剤を組み込む前に溶融流れを形成する工程;
iv. 該重合体副流れを、可能であれば該発泡剤と共に、溶融状態のビニル芳香族重合体及び/又は共重合体を含む二次重合体流れ、又は主重合体流れに組み込み、自己消火発泡性組成物を形成する工程、
であって、前記赤外線吸収剤が石油コークスである自己消火発泡性組成物の連続魂の製造方法。 - エポキシ官能基を含む前記化合物が、スチレン-グリシジルメタクリレート共重合体又はノボラック多官能性有機リンエポキシ樹脂から選択される、請求項4に記載の自己消火発泡性組成物の連続魂の製造方法。
- エポキシ官能基を含む前記化合物が、25℃において測定したビニル芳香族単量体への溶解度が20g/100gよりも高いエポキシ樹脂から選択される、請求項5に記載の自己消火発泡性組成物の連続魂の製造方法。
- 前記赤外線吸収剤が、ASTM DIN 51903に従い評価すると、前記吸収剤に対して0.2% w/wよりも高く5% w/w以下の、灰分含有量として表される純度を有することを特徴とする、請求項5又は6に記載の自己消火発泡性組成物の連続魂の製造方法。
- 前記難燃剤が、ヘキサブロモシクロドデカン、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又は臭素化スチレン-ブタジエン共重合体から選択される、請求項5〜7のいずれか一項に記載の自己消火発泡性組成物の連続魂の製造方法。
- 前記難燃剤が、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である、請求項8に記載の自己消火発泡性組成物の連続魂の製造方法。
- A)自己消火発泡性組成物全体に対する算出において、少なくとも50重量%に等しい量のビニル芳香族重合体及び/又は共重合体、
B)少なくとも1つの発泡剤、
C)少なくとも1つの赤外線吸収剤、ここで前記赤外線吸収剤は石油コークスである、
D)少なくとも1つのハロゲン化難燃剤
E)25℃の温度で測定したスチレンへの溶解度が5g/100gよりも高いことを特徴とする、エポキシ官能基を含む少なくとも1つの化合物
を含む自己消火発泡性組成物の製造方法であって、
ビニル芳香族単量体、前記発泡剤、前記赤外線吸収剤、前記ハロゲン化難燃剤、及び前記化合物を含む水性懸濁液中で前記ビニル芳香族単量体を重合する工程
を含む製造方法。 - エポキシ官能基を含む化合物が0.5% w/w以下の量で存在し、前記赤外線吸収剤の含有量が0.05重量%〜25重量%である、
A)少なくとも50重量%に等しい量のビニル芳香族重合体及び/又は共重合体、
B)少なくとも1つの発泡剤、
C)少なくとも1つの赤外線吸収剤、
D)少なくとも1つのハロゲン化難燃剤、
E)25℃の温度で測定したスチレンへの溶解度が5g/100gよりも高いことを特徴とする、エポキシ官能基を含む少なくとも1つの化合物
を含む自己消火発泡性組成物を含み、
前記赤外線吸収剤が石油コークスである発泡顆粒。 - 前記発泡顆粒中の含有量が1重量%〜6重量%である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も含む、請求項11に記載の発泡顆粒。
- 前記難燃剤が1,1'(イソプロピリデン)ビス[3,5-ジブロモ-4-(2,3-ジブロモメチル-プロポキシ)ベンゼン]である、請求項5〜7のいずれか一項に記載の自己消火発泡性組成物の連続魂の製造方法。
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| Publication number | Publication date |
|---|---|
| EP2912104B2 (en) | 2020-07-22 |
| EP2912104B9 (en) | 2021-05-26 |
| DK2912104T5 (da) | 2021-03-08 |
| PL2912104T3 (pl) | 2018-01-31 |
| PL2912104T5 (pl) | 2020-12-28 |
| MX2015002079A (es) | 2015-07-23 |
| EP2912104A1 (en) | 2015-09-02 |
| EP2912104B1 (en) | 2017-09-06 |
| BR112015004736A2 (pt) | 2017-07-04 |
| SI2912104T1 (sl) | 2017-11-30 |
| RU2637558C2 (ru) | 2017-12-05 |
| PT2912104T (pt) | 2017-11-14 |
| RU2015105563A (ru) | 2016-12-20 |
| HUE035193T2 (hu) | 2018-05-02 |
| JP2016505076A (ja) | 2016-02-18 |
| ES2645441T3 (es) | 2017-12-05 |
| ITMI20121808A1 (it) | 2014-04-25 |
| US20150259521A1 (en) | 2015-09-17 |
| CN104822738B (zh) | 2017-12-19 |
| DK2912104T4 (da) | 2020-10-26 |
| DK2912104T3 (en) | 2017-12-04 |
| NO2912104T3 (ja) | 2018-02-03 |
| HRP20171395T1 (hr) | 2017-11-17 |
| US9914827B2 (en) | 2018-03-13 |
| ES2645441T5 (es) | 2021-06-08 |
| SI2912104T2 (sl) | 2020-11-30 |
| HRP20171395T4 (hr) | 2020-11-13 |
| MY169167A (en) | 2019-02-20 |
| BR112015004736B1 (pt) | 2021-05-25 |
| MX374992B (es) | 2025-03-06 |
| IN2015DN03999A (ja) | 2015-10-02 |
| WO2014063993A1 (en) | 2014-05-01 |
| CN104822738A (zh) | 2015-08-05 |
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