JP2019516840A - 優れた耐薬品性を有するポリアリーレンスルフィド樹脂組成物 - Google Patents
優れた耐薬品性を有するポリアリーレンスルフィド樹脂組成物 Download PDFInfo
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- JP2019516840A JP2019516840A JP2018560620A JP2018560620A JP2019516840A JP 2019516840 A JP2019516840 A JP 2019516840A JP 2018560620 A JP2018560620 A JP 2018560620A JP 2018560620 A JP2018560620 A JP 2018560620A JP 2019516840 A JP2019516840 A JP 2019516840A
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- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 claims abstract description 20
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Abstract
Description
[発明の開示]
[技術的な課題]
[課題を解決するための手段]
100ppm以下の塩素含有量および50ppm以下のナトリウム含有量を有するPAS;
ガラス繊維;
メルカプトシラン化合物;ならびに
ハイドロタルサイト
を含む樹脂組成物を提供する。
[発明の効果]
[発明のための形態]
p−ヨードベンゼン(p−DIB)5,130gおよび硫黄450gを、反応器の内部温度を測定できる熱電対と窒素パージおよび減圧排気が可能な真空ラインとを備えた5L反応器に入れた。反応器を180℃まで加熱して、p−DIBおよび硫黄を完全に溶融ブレンドし、次いで段階的な温度上昇および減圧の条件下で重合反応を実施した。具体的には、温度上昇および減圧は、硫黄19gを7回供給する間に、初期反応条件、すなわち、220度の温度および350トールの圧力と、最終反応条件、すなわち、300℃および0.6〜0.9トールとを変えることによって行った。重合反応の進行度は、現在の粘度対目標粘度の相対比として式「(現在の粘度/目標粘度)×100%」によって計算した。目標粘度は、2,000ポアズであった。現在の粘度は、重合中に試料を採取し、粘度計で測定することによって測定した。重合反応が80%まで進んだとき、ジフェニルジスルフィド35gを重合停止剤として添加し、反応をさらに1時間実施した。その後、0.1〜0.5トールで徐々に減圧して、目標粘度の2,000ポアズに到達し、次いで反応を停止させて、ポリフェニレンサルファイド樹脂(PPS1)を生成した。得られた樹脂は、小型ストランドカッターを用いてペレットの形態に作製した。
示差走査熱量測定器(DSC)を用いて、温度を30から320℃まで10℃/分の速度で上昇させ、30℃まで冷却し、次いで30から320℃まで10℃/分の速度で再度上昇させている間の融点を測定した。
0.4重量%のPPS濃度が得られるようにPPS樹脂を1−クロロナフタレンに溶解させ、250℃で25分間撹拌することによって試料を調製した。次いで、試料を1mL/分の流量で高温ゲル透過クロマトグラフィー(GPC)システム(210℃)のカラムに導入し、異なる分子量のポリフェニレンサルファイドを順次分離し、RI検出器を用いて分離したポリフェニレンサルファイドの分子量に対応する強度を測定した。分子量が既知の標準試験片(ポリスチレン)を用いて検量線を決定した後、PPS樹脂の数平均分子量(Mn)および多分散性指数(PDI)を計算した。
回転円板粘度計を用いて溶融粘度を300℃で測定した。周波数掃引法では、角振動数を0.6rad/s〜500rad/sまで測定し、1.84rad/sにおける粘度をMVと定義した。
主鎖結合ヨウ素および遊離ヨウ素の含有量(ppm)を測定するために、PPS樹脂50mgを1,000℃で完全に灰化した。その後、燃焼ガス中のヨウ素をイオン化し蒸留水に溶解させた自動前処理装置(AQF)を用いて試料を調製した。PPS樹脂のヨウ素(I)含有量は、イオンクロマトグラフィーによって試料を分析することによって得た検量線を用いて測定した。
PPS2樹脂は、目標粘度が600ポアズであったことを除いて調製例1と同じ方法によって調製した。PPS2は、MVが715ポアズ、融点が281℃、Mnが13,290、PDIが2.8、主鎖結合ヨウ素および遊離ヨウ素含有量が200ppmであった。
PPS3樹脂は、目標粘度が3,600ポアズであったことを除いて調製例1と同じ方法によって調製した。PPS3は、MVが3,650ポアズ、融点が281℃、Mnが19,010、PDIが2.9、主鎖結合ヨウ素および遊離ヨウ素含有量が270ppmであった。
59.2重量%の調製例1で調製したPPS1、40重量%のエポキシシランで表面処理したガラス繊維(584、Jushi Group Co., Ltd.)、0.3重量%のメルカプトシラン化合物(Silquest A−189、Momentive Co.)および0.5重量%のハイドロタルサイトを二軸押出機中で混合することによって樹脂組成物を調製した。
PPS樹脂組成物は、表2および3に示す成分およびそれらの含有量を用いたことを除いて例1と同じ方法によって調製した。
例1〜6および比較例1〜11で調製した樹脂組成物の物理的性質は、下記の方法に従って測定し、測定結果を表4および5に示した。表4および5中のN.D.は、「検出されず」を表し、検出限界未満の量を含有することを指す。
(1)引張り強さ
射出成形試験片の引張り強さを、ISO 527に基づいて測定した。
ISO 179に基づいて、寸法が80mm(長さ)×10mm(幅)×4mm(厚さ)の射出成形試験片の衝撃強さを、V−ノッチシャルピー法によって測定した。
硝酸10mL、過塩素酸10mLおよび硫酸10mLを射出成形試験片0.5gに加え、ホットプレート上で約350℃で加熱して、有機物質を酸分解させ、わずかな量を除いて残りの酸を蒸発させた。次いで、溶液を室温まで冷却し、25mL容量のフラスコに入れ、容量フラスコの25mLの標線まで蒸留水を加えることによって希釈し、次いでICP−AESによってナトリウム(Na)含有量を測定した。ここで、N.D.は、5ppmすなわち定量限界より少ない量でナトリウムを含有することを指す。
AQF(Auto Quick Furnace)を用いて射出成形試験片50mgを1,000℃で加熱して、任意の有機物質を完全に灰化し、燃焼ガスを吸収溶液(900ppmの過酸化水素溶液)に閉じ込め、イオンクロマトグラフィー(Auto Quick Furnace)に自動注入して塩素(Cl)含有量を測定した。
ISO 178に基づいて射出成形試験片の曲げ強さを測定した。
射出成形試験片を自動車の不凍液(Hyundai Mobis製;製品名:四季のための不凍液;ならびに組成:エチレングリコール(EG)45体積%、水50体積%およびリン酸塩系防錆剤5体積%)に150℃で3,000時間浸漬して、浸漬後の引張り強さおよび曲げ強さ対浸漬前のそれらの比を測定した。
射出成形試験片をクロロホルムに浸漬し、50℃で30日間熱処理し、重量変化率、すなわち、熱処理後の重量対熱処理前のものを測定した。
射出成形試験片を10%(w/v)CaCl2水溶液に浸漬し、80℃で1,000時間(41.6日)熱処理した。熱処理前の曲げ強さを100%と設定したとき、熱処理後の曲げ強さ対熱処理前のものの比を測定した。
Claims (13)
- 100ppm以下の塩素含有量および50ppm以下のナトリウム含有量を有するポリアリーレンスルフィド;
ガラス繊維;
メルカプトシラン化合物;ならびに
ハイドロタルサイト
を含む、樹脂組成物。 - 前記ポリアリーレンスルフィドが、10〜10,000ppmの主鎖結合ヨウ素または遊離ヨウ素を含む、請求項1に記載の樹脂組成物。
- 前記ポリアリーレンスルフィドの数平均分子量が5,000〜50,000、回転円板粘度計によって300℃で測定したとき、溶融粘度が10〜50,000ポアズである、請求項1に記載の樹脂組成物。
- 前記ガラス繊維の平均直径が6〜15μm、平均長さが2〜5mmである、請求項1に記載の樹脂組成物。
- 前記ガラス繊維がアルミノホウケイ酸ガラス繊維である、請求項1に記載の樹脂組成物。
- 前記メルカプトシラン化合物が、多孔質の無機物質に液体シランを含浸させることによって調製される乾燥シランである、請求項1に記載の樹脂組成物。
- 前記ハイドロタルサイトの平均粒径が0.3〜0.8μmである、請求項1に記載の樹脂組成物。
- 前記樹脂組成物が、樹脂組成物の全重量に対して40〜70重量%の前記ポリアリーレンスルフィド、20〜55重量%の前記ガラス繊維、0.01〜1.5重量%の前記メルカプトシラン化合物、および0.05〜5.0重量%の前記ハイドロタルサイトを含む、請求項1に記載の樹脂組成物。
- 前記ポリアリーレンスルフィドが10〜10,000ppmの主鎖結合ヨウ素または遊離ヨウ素を含み;
前記ガラス繊維がアルミノホウケイ酸ガラス繊維であり;かつ
前記ハイドロタルサイトの平均粒径が0.3〜0.8μmである、
請求項1に記載の樹脂組成物。 - 前記樹脂組成物が、熱安定剤、滑剤、帯電防止剤、成核剤、スリップ剤、顔料およびその任意の組合せからなる群から選択される成分をさらに含む、請求項1に記載の樹脂組成物。
- 前記樹脂組成物は、エチレングリコールおよび水を1:1の体積比で含有する溶液中に射出成形試験片を150℃で3,000時間浸漬させた後に測定したとき、引張り強さの変化率が10%未満である、請求項1に記載の樹脂組成物。
- 請求項1から11の何れか一項に記載の前記樹脂組成物を成形することによって調製した成形品。
- 前記成形品が、自動車部品、電気部品、または電子部品である、請求項12に記載の成形品。
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JP2019519629A (ja) * | 2016-04-26 | 2019-07-11 | イニッツ・カンパニー・リミテッドInitz Co.,Ltd. | 優れた耐加水分解性を有するポリアリーレンスルフィド樹脂組成物 |
JP2020125413A (ja) * | 2019-02-05 | 2020-08-20 | 帝人株式会社 | 樹脂組成物 |
WO2022080129A1 (ja) * | 2020-10-16 | 2022-04-21 | ポリプラスチックス株式会社 | 水を含む流体と接触し得る車両用冷却系部品 |
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JP2019156987A (ja) * | 2018-03-14 | 2019-09-19 | 帝人株式会社 | 樹脂組成物 |
KR102663395B1 (ko) * | 2019-02-18 | 2024-05-08 | 현대모비스 주식회사 | 차량 헤드램프 부재용 폴리아릴렌 설파이드 수지 조성물 및 이를 이용하여 제조된 차량 헤드램프 부재 |
EP4127046A1 (en) * | 2020-03-26 | 2023-02-08 | DSM IP Assets B.V. | Injection molded parts |
US20230383428A1 (en) * | 2022-05-09 | 2023-11-30 | Ticona Llc | Fluidic Member for Use in an Electrolyzer System |
CN115678278B (zh) * | 2022-10-28 | 2024-02-13 | 金发科技股份有限公司 | 一种pps复合材料及其制备方法和应用 |
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JP2019519629A (ja) * | 2016-04-26 | 2019-07-11 | イニッツ・カンパニー・リミテッドInitz Co.,Ltd. | 優れた耐加水分解性を有するポリアリーレンスルフィド樹脂組成物 |
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Also Published As
Publication number | Publication date |
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EP3460004A1 (en) | 2019-03-27 |
US20190144609A1 (en) | 2019-05-16 |
WO2017200203A1 (ko) | 2017-11-23 |
CN109071946A (zh) | 2018-12-21 |
JP7155014B2 (ja) | 2022-10-18 |
EP3460004A4 (en) | 2020-02-19 |
CN109071946B (zh) | 2022-03-04 |
TWI757281B (zh) | 2022-03-11 |
KR20170130802A (ko) | 2017-11-29 |
TW201809145A (zh) | 2018-03-16 |
KR102503262B1 (ko) | 2023-02-22 |
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