JP5965101B2 - ペースト状加熱発泡充填材 - Google Patents
ペースト状加熱発泡充填材 Download PDFInfo
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- JP5965101B2 JP5965101B2 JP2010289329A JP2010289329A JP5965101B2 JP 5965101 B2 JP5965101 B2 JP 5965101B2 JP 2010289329 A JP2010289329 A JP 2010289329A JP 2010289329 A JP2010289329 A JP 2010289329A JP 5965101 B2 JP5965101 B2 JP 5965101B2
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- rubber
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- paste
- parts
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- C08L2666/34—Oxygen-containing compounds, including ammonium and metal salts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
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Description
(1)前記未架橋ゴムが、ジエン系ゴム、アクリロニトリル−イソプレン共重合ゴム(NIR)、アクリロニトリル−ブタジエン共重合ゴム(NBR)、スチレン−ブタジエン共重合ゴム(SBR)、ブタジエンゴム(BR)、イソプレンゴム(IR)からなる群から選ばれる少なくとも1種である、
(2)上記ペースト状加熱発泡充填材が、更に熱可塑性樹脂を含有する、
(3)上記ペースト状加熱発泡充填材が、更に可塑剤を含有する、
(4)上記ペースト状加熱発泡充填材が、更に無機充填材を含有する、
というものである。より好ましい実施態様は、
(5)未架橋ゴム(但し、エチレン・プロピレン・ジエンゴムを除く)2〜20重量部、部分架橋ゴム5〜30重量部、キノン系加硫剤0.1〜5重量部、発泡温度が100℃以下である熱膨張性バルーン0.2〜1.5重量部、熱可塑性樹脂1〜10重量部、可塑剤20〜50重量部、無機充填材15〜50重量部及び加熱により分解してガスを発生する化学発泡剤2〜15重量部を含有し、前記化学発泡剤の発泡開始温度が110〜140℃に設定されたペースト状加熱発泡充填材である、
(6)前記未架橋ゴムが、ジエン系ゴム、アクリロニトリル−イソプレン共重合ゴム(NIR)、アクリロニトリル−ブタジエン共重合ゴム(NBR)、スチレン−ブタジエン共重合ゴム(SBR)、ブタジエンゴム(BR)、イソプレンゴム(IR)からなる群から選ばれる少なくとも1種である、
(7)未架橋ゴムおよび/または部分架橋ゴムの含有量が、全組成物重量に対し8重量部以上のペースト状加熱発泡充填材である。
未架橋ゴム: 2〜20重量部、より好ましくは2〜15重量部。
部分架橋ゴム: 5〜30重量部、より好ましくは5〜20重量部。
キノン系加硫剤: 0.1〜5重量部、より好ましくは0.1〜3重量部。
熱膨張性バルーン: 0.2〜1.5重量部、より好ましくは0.5〜1.5重量部。
熱可塑性樹脂: 1〜10重量部、より好ましくは1〜5重量部。
可塑剤: 20〜50重量部、より好ましくは30〜50重量部。
無機充填材: 15〜50重量部、より好ましくは30〜50重量部。
化学発泡剤: 2〜15重量、より好ましくは2〜10重量部。
発泡助剤 1〜15重量部、より好ましくは1〜10重量部。
更に、未架橋ゴム及び/または部分架橋ゴムの配合量が8重量部以上であると、耐シャワー性が向上するのでより好ましい。
表1に示した配合量に従い各成分を配合し、プラネタリーミキサーで30分間攪拌混合し、次いで30分間減圧脱泡し、ペースト状加熱発泡充填材を作製した。得られたペースト状型加熱発泡充填剤について、以下の要領にて接着性、体積変化、粘度、耐シャワー性及びハット充填性を評価した。結果を表1に併せて示す。また、実施例に使用した原材料を表2に示す。なお、実施例12〜14は参考例である。
板厚1.2mmの油面鋼板に、試験材料を約20mmφの半円ビード状に100mmの長さに塗布後、130℃20分保持で焼付けた。室温になるまで2時間以上放置後、加熱発泡後の試験材料を垂直方向に剥離した後、油面鋼板面の破壊状態を確認し、接着性を判断する。
評価基準
◎:100%以下、80%以上の凝集破壊
○:80%未満、60%以上の凝集破壊
△:60%未満、40%以上の凝集破壊
ガラス板の中央部にエアー噛みのないように試験材料約2gをカートリッジより半球状に塗布し、重量を測定する。試験材料比重および試験材料重量を用いて、塗布体積を算出する。次に、試験材料を塗布したガラス板を、140℃20分保持で焼付け、室温になるまで2時間以上放置する。その後、試験体を水中置換法にて発泡後の体積を算出し、塗布体積と比較し体積変化率を算出する。測定は20℃65%RHの条件下にて行う。
圧力式粘度計を用いて、20℃65%RH、せん断速度430sec-1における粘度を測定する。
試験材料を、図2に示すように約20mmφで塗布した試験片について、図3に示す試験装置により、以下の条件で耐シャワー性評価を行った。
・シャワー条件:水温50℃
・シャワー角度:45℃
・シャワー圧力:3kgf/cm2(約0.3MPa)
・シャワー時間:1分
・ノズル:有限会社香取組製作所 K9S型 PT1/4×5.0
評価基準
○:材料定着率95%以上
×:材料定着率95%未満
深さ(H)50mm×幅(W)130mm×長さ(L)300mm、×板厚1.2mm、フランジ幅15mmに加工した油面鋼板のハット状部材内断面にそって、約25mmφの半円ビードを230mm断面長に塗布後、幅(W)160mm×縦(L)300mmの油面鋼板で蓋をし、固定する。その試験体を垂直に保持した状態で、130℃20分保持で焼付けた。室温になるまで2時間以上放置後、蓋材をはずしハット部材断面積6500mm2に対する充填状態を確認する。
評価基準
◎:100%の部材充填
○:100%未満〜95%以上の部材充填
×:95%未満の部材充填
Claims (8)
- 未架橋ゴム(但し、エチレン・プロピレン・ジエンゴムを除く)、部分架橋ゴム、キノン系加硫剤、発泡温度が100℃以下である熱膨張性バルーン、及び加熱により分解してガスを発生する化学発泡剤を含有し、前記化学発泡剤の発泡開始温度が110〜140℃に設定されたことを特徴とするペースト状加熱発泡充填材。
- 前記未架橋ゴムが、ジエン系ゴム、アクリロニトリル−イソプレン共重合ゴム(NIR)、アクリロニトリル−ブタジエン共重合ゴム(NBR)、スチレン−ブタジエン共重合ゴム(SBR)、ブタジエンゴム(BR)、イソプレンゴム(IR)からなる群から選ばれる少なくとも1種である請求項1記載のペースト状加熱発泡充填材。
- 熱可塑性樹脂を含有する請求項1〜2のいずれか1項に記載のペースト状加熱発泡充填材。
- 可塑剤を含有する請求項1〜3のいずれか1項に記載のペースト状加熱発泡充填材。
- 無機充填材を含有する請求項1〜4のいずれか1項に記載のペースト状加熱発泡充填材。
- 未架橋ゴム(但し、エチレン・プロピレン・ジエンゴムを除く)2〜20重量部、部分架橋ゴム5〜30重量部、キノン系加硫剤0.1〜5重量部、発泡温度が100℃以下である熱膨張性バルーン0.2〜1.5重量部、熱可塑性樹脂1〜10重量部、可塑剤20〜50重量部、無機充填材15〜50重量部及び加熱により分解してガスを発生する化学発泡剤2〜15重量部を含有し、前記化学発泡剤の発泡開始温度が110〜140℃に設定されたペースト状加熱発泡充填材。
- 前記未架橋ゴムが、ジエン系ゴム、アクリロニトリル−イソプレン共重合ゴム(NIR)、アクリロニトリル−ブタジエン共重合ゴム(NBR)、スチレン−ブタジエン共重合ゴム(SBR)、ブタジエンゴム(BR)、イソプレンゴム(IR)からなる群から選ばれる少なくとも1種である請求項6記載のペースト状加熱発泡充填材。
- 未架橋ゴムおよび/または部分架橋ゴムの含有量が、全組成物重量に対し8重量部以上である請求項1〜7のいずれかに記載のペースト状加熱発泡充填材。
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JP2010289329A JP5965101B2 (ja) | 2010-12-27 | 2010-12-27 | ペースト状加熱発泡充填材 |
EP11853639.0A EP2660279B1 (en) | 2010-12-27 | 2011-10-05 | Paste-like thermally foaming filler |
PCT/JP2011/072970 WO2012090565A1 (ja) | 2010-12-27 | 2011-10-05 | ペースト状加熱発泡充填材 |
US13/976,292 US20130280451A1 (en) | 2010-12-27 | 2011-10-05 | Paste-like thermally expandable filler |
CN2011800630049A CN103270095A (zh) | 2010-12-27 | 2011-10-05 | 糊状加热发泡填充材料 |
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US9327769B2 (en) | 2014-09-05 | 2016-05-03 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vehicles having internal body cavity seals and methods of assembling the same |
BR102017016857B1 (pt) | 2016-08-08 | 2023-02-14 | Sika Technology Ag | Composição de preenchimento, agente de preenchimento, uso da composição, método para preencher um espaço fechado e peça de veículo |
JP6848494B2 (ja) * | 2017-02-07 | 2021-03-24 | 日本製鉄株式会社 | 加熱発泡性プレコート金属板及びその製造方法 |
CN109021335A (zh) * | 2018-07-14 | 2018-12-18 | 桂林理工大学 | 一种微球自由发泡丁腈橡胶密封材料的配方 |
JP2023167233A (ja) * | 2022-05-11 | 2023-11-24 | サンスター技研株式会社 | 発泡硬化性組成物 |
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US20060142403A1 (en) * | 2003-06-04 | 2006-06-29 | Yutaka Sugiura | Pasty heat-expandable filler composition and method of sound insulation by filling closed section of car body member |
US20070254971A1 (en) * | 2006-05-01 | 2007-11-01 | Synco De Vogel | Foamable thermoplastic vulcanizate blends, methods, and articles thereof |
JP5019804B2 (ja) * | 2006-06-30 | 2012-09-05 | 日東電工株式会社 | 発泡充填用組成物、発泡充填部材および充填用発泡体 |
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WO2012090565A1 (ja) | 2012-07-05 |
CN103270095A (zh) | 2013-08-28 |
JP2012136135A (ja) | 2012-07-19 |
EP2660279B1 (en) | 2016-11-30 |
US20130280451A1 (en) | 2013-10-24 |
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