JP5741036B2 - ポリフェニレンスルフィド樹脂組成物およびそれからなる成形品 - Google Patents
ポリフェニレンスルフィド樹脂組成物およびそれからなる成形品 Download PDFInfo
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- JP5741036B2 JP5741036B2 JP2011026738A JP2011026738A JP5741036B2 JP 5741036 B2 JP5741036 B2 JP 5741036B2 JP 2011026738 A JP2011026738 A JP 2011026738A JP 2011026738 A JP2011026738 A JP 2011026738A JP 5741036 B2 JP5741036 B2 JP 5741036B2
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- JP
- Japan
- Prior art keywords
- graphite
- polyphenylene sulfide
- sulfide resin
- resin composition
- less
- 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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- 239000004734 Polyphenylene sulfide Substances 0.000 title claims description 73
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- 238000000034 method Methods 0.000 claims description 39
- 239000012535 impurity Substances 0.000 claims description 25
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 22
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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 description 1
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- 239000003480 eluent Substances 0.000 description 1
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- 150000002367 halogens Chemical class 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical class C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
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- 238000007561 laser diffraction method Methods 0.000 description 1
- HGPXWXLYXNVULB-UHFFFAOYSA-M lithium stearate Chemical compound [Li+].CCCCCCCCCCCCCCCCCC([O-])=O HGPXWXLYXNVULB-UHFFFAOYSA-M 0.000 description 1
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- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
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- ZQKXQUJXLSSJCH-UHFFFAOYSA-N melamine cyanurate Chemical compound NC1=NC(N)=NC(N)=N1.O=C1NC(=O)NC(=O)N1 ZQKXQUJXLSSJCH-UHFFFAOYSA-N 0.000 description 1
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- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
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- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
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- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
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- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
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- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 1
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- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- GQIUQDDJKHLHTB-UHFFFAOYSA-N trichloro(ethenyl)silane Chemical compound Cl[Si](Cl)(Cl)C=C GQIUQDDJKHLHTB-UHFFFAOYSA-N 0.000 description 1
- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
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- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical class [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Epoxy Resins (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
1.(A)、(B)および(C)の合計を100重量%として(A)ポリフェニレンスルフィド樹脂25〜55重量%、(B)X線回折法による黒鉛層間の面間隔d(002)が0.3360nm未満であり、かつ黒鉛結晶の結晶子サイズLc(002)が100nm以上である黒鉛であり、不純物成分Feが50ppm以下、不純物成分Siが100ppm以下である鱗片状黒鉛25〜60重量%および(C)繊維径が4〜11μmのガラス繊維15〜50重量%を配合してなるポリフェニレンスルフィド樹脂組成物であって、
前記(B)黒鉛のDBP吸油量(a1)とBET法による比表面積(a2)の比(a1/a2)が18〜40であり、
前記(B)黒鉛の平均粒子径が25〜60μmであることを特徴とするポリフェニレンスルフィド樹脂組成物。
2.前記(A)、(B)および(C)の合計100重量部に対して、さらに(D)エポキシ当量が1500以上5500以下の範囲であるビスフェノールA型エポキシ樹脂を0.1〜5重量部配合してなる1記載のポリフェニレンスルフィド樹脂組成物。
3.1または2記載のポリフェニレンスルフィド樹脂組成物を射出成形してなる成形品。
4.成形品がLED用放熱部材である3記載の成形品。
PPSの調製
撹拌機および底に弁の付いた20リットルオートクレーブに、47%水硫化ナトリウム(三協化成)2383g(20.0モル)、96%水酸化ナトリウム831g(19.9モル)、N−メチル−2−ピロリドン(NMP)3960g(40.0モル)、およびイオン交換水3000gを仕込み、常圧で窒素を通じながら225℃まで約3時間かけて徐々に加熱し、水4200gおよびNMP80gを留出した後、反応容器を160℃に冷却した。仕込みアルカリ金属硫化物1モル当たりの系内残存水分量は0.17モルであった。また、仕込みアルカリ金属硫化物1モル当たりの硫化水素の飛散量は0.021モルであった。
装置 : センシュー科学 SSC−7100
カラム名 : センシュー科学 GPC3506×1
溶離液 : 1−クロロナフタレン(1−CN)
検出器 : 示差屈折率検出器
検出器感度 : Range 8
検出器極性 : +
カラム温度 : 210℃
プレ恒温槽温度 : 250℃
ポンプ恒温槽温度 : 50℃
検出器温度 : 210℃
サンプル側流量 : 1.0mL/min
リファレンス側流量 : 1.0mL/min
試料注入量 : 300μL
検量線作成試料 : ポリスチレン。
B1:中越黒鉛社製“BF−30A”、層面間距離d(002)0.3355nm、結晶子サイズLc(002)100nm以上、不純物(Fe)30ppm、不純物(Si)50ppm、(a1)/(a2)=26、平均粒子径33μm
B2:中越黒鉛社製“STG−10ACL”、層面間距離d(002)0.3364nm、結晶子サイズLc(002)50nm、不純物(Fe)80ppm、不純物(Si)10ppm、(a1)/(a2)=9.2平均粒子径16μm
B3:中越黒鉛社製“BSP−20AS”、層面間距離d(002)0.3355nm、結晶子サイズLc(002)100nm以上、不純物(Fe)40ppm、不純物(Si)100ppm、(a1)/(a2)=10.3、平均粒子径20μm。
C1:日本電気硝子社製チョップドストランド“T−747H”繊維径10.5μm
C2:日本電気硝子社製チョップドストランド“T−790DE”繊維径6.5μm
C3:日本電気硝子社製チョップドストランド“T−717”、繊維径13μm
繊維径は、JIS“R−3420”(1978年4月1日制定、最新改正日2006年9月1日)に則って測定を行った。
D1:三菱化学社製“jer1002”エポキシ当量600〜700
D2:三菱化学社製“jer1009”エポキシ当量2400〜3300
スクリュー径44mmの同方向回転ベント付き2軸押出機(日本製鋼所製、TEX−44)を用いて、表1に示す参考例1のポリフェニレンスルフィド樹脂および、参考例4のビスフェノールA型エポキシ樹脂を元込め部から添加し、参考例2の黒鉛および、参考例3のガラス繊維を中間添加口から投入し、樹脂温度300℃、スクリュー回転数150rpmで溶融混練を行い、ペレットを得た。ついで130℃の熱風乾燥機で5時間乾燥した後、後述する評価を行った。結果を表1に示す。
スクリュー径44mmの同方向回転ベント付き2軸押出機(日本製鋼所製、TEX−44)を用いて、表1に示す参考例1のポリフェニレンスルフィド樹脂および、参考例4のビスフェノールA型エポキシ樹脂を元込め部から添加し、参考例2の黒鉛および、参考例3のガラス繊維を中間添加口から投入し、樹脂温度300℃、スクリュー回転数150rpmで溶融混練を行い、ペレットを得た。ついで130℃の熱風乾燥機で5時間乾燥した後、後述する評価を行った。結果を表1に示す。
射出成形機プロマット(25t)(住友重機械工業社製)を用い、シリンダー温度320℃、金型温度150℃の温度条件で、幅10mm、厚さ1.0mmの棒流動長測定金型で射出速度100mm/s、圧力98MPaで短冊状成形品を各20個作成した。次いで得られた成形品の流動末端までの長さを測定し、平均値を流動性とした。数値が大きいほど流動性に優れる。
射出成形機UH1000(80t)(日精樹脂工業社製)を用い、シリンダー温度320℃、金型温度150℃の温度条件で、角形成形品(30mm×30mm×3mm厚み、フィルムゲート)を成形下限厚+5MPaで成形し、この成形品の中心部を18mm×18mmに切削して試験片としたものを用いて熱流計法熱伝導率測定装置(リガク社製GH−1S)により熱伝導率を測定した。この値が高いほど熱伝導性に優れる。
射出成形機UH1000(80t)(日精樹脂工業社製)を用い、シリンダー温度320℃、金型温度150℃の温度条件で、図1のフィン状突起物を10枚有する成形品を成形下限圧+5MPaで各10個成形し、成形品金型離型時にフィン状突起物部分が金型内に残ったフィン状突起物数、および成形品取得時に割れたフィン状突起物数の合計数を算出した。上記個数が少ないほど薄肉部強度に優れる。
射出成形機UH1000(80t)(日精樹脂工業社製)を用い、シリンダー温度320℃、金型温度150℃の温度条件で、図2の円筒状成形品を成形下限圧+5MPaで成形し、図3に示すように、円筒状成形品のダイレクトゲート除いた後、該成形品の底部外側に定格出力10WのLEDチップを搭載した基板を設置する。基板と成形品の間を密着させるため、シリコーンオイルコンパウンド(商品名KS−609、信越シリコーン社製)を塗布した。さらに、その基板と成形品の間(A点)に熱電対を設置した。また、円筒状成形品のLED基板を設置した反対側の充填末端部(B点)に熱電対を設置し、放熱試験装置とした。この放熱試験装置を外部からの空気の流入に影響されないよう100cm四方のアクリルケース内に設置し、LEDを1時間点灯した。点灯前A点の温度(T1)と1時間後の温度(T2)の差を基板上昇温度(T3)、点灯前のB点の温度(M1)と1時間後の温度(M2)の差を充填末端上昇温度(M3)とし、基板上昇温度(T3)−充填末端上昇温度(M3)を上昇温度差(H1)として算出した。上昇温度差(H1)が0℃に近いほど、LEDチップから発生する熱を成形品充填末端まで伝えていることになり、放熱性に優れる。
射出成形機UH1000(80t)(日精樹脂工業社製)を用い、シリンダー温度320℃、金型温度150℃の温度条件で、角形成形品(30mm×30mm×3mm厚み、フィルムゲート)を成形下限厚+5MPaで成形し、金型寸法と、得られた成形品の流れ方向(MD)と垂直方向(TD)の寸法の比を算出し、成形収縮率とした。0%に近いほど寸法安定性に優れる。
Claims (4)
- (A)、(B)および(C)の合計を100重量%として(A)ポリフェニレンスルフィド樹脂25〜55重量%、(B)X線回折法による黒鉛層間の面間隔d(002)が0.3360nm未満であり、かつ黒鉛結晶の結晶子サイズLc(002)が100nm以上であり、不純物成分Feが50ppm以下、不純物成分Siが100ppm以下である鱗片状黒鉛25〜60重量%および(C)繊維径が4〜11μmのガラス繊維15〜50重量%を配合してなるポリフェニレンスルフィド樹脂組成物であって、
前記(B)黒鉛のDBP吸油量(a1)とBET法による比表面積(a2)の比(a1/a2)が18〜40であり、
前記(B)黒鉛の平均粒子径が25〜60μmであることを特徴とするポリフェニレンスルフィド樹脂組成物。 - 前記(A)、(B)および(C)の合計100重量部に対して、さらに(D)エポキシ当量が1500以上5500以下の範囲であるビスフェノールA型エポキシ樹脂を0.1〜5重量部配合してなる請求項1記載のポリフェニレンスルフィド樹脂組成物。
- 請求項1または2記載のポリフェニレンスルフィド樹脂組成物を射出成形してなる成形品。
- 成形品がLED用放熱部材である請求項3記載の成形品。
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