JP3934612B2 - ゴム組成物及び該ゴム組成物を使用した発泡成形体 - Google Patents
ゴム組成物及び該ゴム組成物を使用した発泡成形体 Download PDFInfo
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- JP3934612B2 JP3934612B2 JP2004012705A JP2004012705A JP3934612B2 JP 3934612 B2 JP3934612 B2 JP 3934612B2 JP 2004012705 A JP2004012705 A JP 2004012705A JP 2004012705 A JP2004012705 A JP 2004012705A JP 3934612 B2 JP3934612 B2 JP 3934612B2
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- rubber
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- 239000002253 acid Substances 0.000 description 2
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- 230000003712 anti-aging effect Effects 0.000 description 2
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 2
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- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
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- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 2
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- 239000000155 melt Substances 0.000 description 2
- DEQZTKGFXNUBJL-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine Chemical compound C1CCCCC1NSC1=NC2=CC=CC=C2S1 DEQZTKGFXNUBJL-UHFFFAOYSA-N 0.000 description 2
- 229910021382 natural graphite Inorganic materials 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 150000002923 oximes Chemical class 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 229920001228 polyisocyanate Polymers 0.000 description 2
- 239000005056 polyisocyanate Substances 0.000 description 2
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- 239000000843 powder Substances 0.000 description 2
- 239000010734 process oil Substances 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
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- 239000000126 substance Substances 0.000 description 2
- 238000010059 sulfur vulcanization Methods 0.000 description 2
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 description 2
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- OPNUROKCUBTKLF-UHFFFAOYSA-N 1,2-bis(2-methylphenyl)guanidine Chemical compound CC1=CC=CC=C1N\C(N)=N\C1=CC=CC=C1C OPNUROKCUBTKLF-UHFFFAOYSA-N 0.000 description 1
- WAEOXIOXMKNFLQ-UHFFFAOYSA-N 1-methyl-4-prop-2-enylbenzene Chemical group CC1=CC=C(CC=C)C=C1 WAEOXIOXMKNFLQ-UHFFFAOYSA-N 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
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Description
本実施例において使用した材料は、それぞれ以下に示したものである。
(1)ベースゴム:ブチルゴム(JSR(株)製、「ブチル268」)、EPDM(DSMジャパン(株)製、「ケルタン778Z」)、SBS(JSRシェル(株)、「TR2003」)
(2)膨張性黒鉛:(住金ケミカル(株)製、「SS−3」、膨張開始温度260℃)
(3)無水無機充填剤:ホウ酸亜鉛(BORAX(株)製、「Firebrake415」)、無水ホウ酸(BORAX(株)製)
(4)加硫剤:粉末硫黄(細井化学工業(株)製)
(5)加硫促進剤:N−シクロヘキシル−2−ベンゾチアジルスルフェンアミド(大内新興(株)製、「ノクセラーCZ」)、テトラメチルチウラムジスルフィド(大内新興(株)製、「ノクセラーTT」)、酸化亜鉛(堺化学(株)製、「亜鉛華3号」)
(6)加熱発泡剤:アゾジカルボンアミド(白石カルシウム(株)製、「セロゲンAZ」)、p,p’−オキシビス(ベンゼンスルフォニルヒドラジド))(白石カルシウム(株)製、「セロゲンOT−1」、尿素化合物(永和化成(株)製、「セルペースト101W」)
(7)加工助剤:エステル潤滑剤(花王(株)製、「カオーワックス220」)、プロセスオイル(出光興産(株)「AH−16」)
(8)老化防止剤:N−(1,3−ジメチルブチル)−N−フェニル−p−フェニレンジアミン(大内新興(株)製、「ノクラック6C」)
(9)カーボンブラック:旭カーボン(株)製、「#60」
表1の配合Aに示した成分を、容量3リットルのニーダーミキサーを用いて120℃で5分間混練した。次いで、得られた混練物を二本ロールで練りながら、表1の配合Bに示した成分を添加して7分間混練し、ゴム組成物を得た。
「発泡成形体」
混練して得られたゴム組成物を、幅20mm、厚み10mmの口金を取り付けたゴム用押出機にて帯状に押出成形し、次いで、熱風加硫槽を用いて180℃で2分間加熱して加硫処理及び発泡処理を行い、発泡成形体を得た。
本実施例にあっては、以下に記載した各特性を評価し、表1にまとめた。各特性の測定方法を以下に示す。
引張強度:JIS K 6251に準じて測定し、その最大応力を求めた。
比重:JIS K 6220に準じて電子比重計(Mirage Trading社製:EW120SG)で測定した。
耐火性:JIS A1304に準じて電気炉にパネル試験体を組み込み、炉内温度を1時間で945℃まで昇温させ、パネルの加熱側から非加熱側へ10秒を超えて連続する火炎の噴出が無い場合を○、火炎の噴出が発生した場合を×とした。
形状保持性:耐火性試験終了後の形状保持性を、指触と目視で評価した。指触で形崩れしにくく変形の小さい場合は○、指触ですぐに形崩れし変形する場合は×と評価した。
実施例2及び比較例1〜3においては、実施例1のゴム組成物の配合を、それぞれ表1に記載した材料および配合量に変更し、実施例1と同様の方法で発泡成形体を得、その各特性を評価したものである。各特性の評価結果を、表1にまとめた。
Claims (2)
- ビニル芳香族化合物を主体とする重合体ブロックと共役ジエン化合物を主体とする重合体ブロックとからなるスチレン系熱可塑性エラストマー20質量%以上と、硫黄加硫可能なゴム成分からなるベースゴム100質量部と、
熱膨張性黒鉛5〜100質量部と、
無水無機充填剤100〜200質量部と、
加硫剤0.1〜10質量部と、
加硫促進剤0.1〜10質量部と、
加熱発泡剤0.5〜50質量部と、を含有することを特徴とするゴム組成物。 - 請求項1に記載されたゴム組成物を、熱膨張性黒鉛の膨張開始温度未満、加熱発泡剤の発泡開始温度以上で加硫及び発泡処理して得られた発泡成形体。
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JP2007308654A (ja) * | 2006-05-22 | 2007-11-29 | Bridgestone Corp | 発泡ゴムの製造方法 |
JP4021934B1 (ja) * | 2006-10-12 | 2007-12-12 | 電気化学工業株式会社 | 耐火ゴム組成物、該耐火ゴム組成物からなる耐火被覆材、及び該耐火被覆材を用いた耐火被覆処理方法 |
JP5001191B2 (ja) * | 2007-02-27 | 2012-08-15 | 未来工業株式会社 | 耐火処理材 |
CN102910865B (zh) * | 2011-08-05 | 2015-04-22 | 上海丰慧节能环保科技有限公司 | 反辐射防火型有机保温板专用界面剂 |
JP6147101B2 (ja) * | 2013-01-22 | 2017-06-14 | 積水化学工業株式会社 | 熱膨張性耐火樹脂組成物 |
JP6386600B2 (ja) * | 2016-02-02 | 2018-09-05 | 積水化学工業株式会社 | 耐火性樹脂組成物 |
JP6709640B2 (ja) * | 2016-03-11 | 2020-06-17 | 三井化学株式会社 | 発泡成形体、その製造方法、および用途 |
WO2020090696A1 (ja) * | 2018-10-31 | 2020-05-07 | デンカ株式会社 | ゴム組成物、発泡成形体及び防火部材、並びに発泡成形体の製造方法 |
EP3865537A1 (en) * | 2020-02-11 | 2021-08-18 | Sika Technology Ag | Thermally expandable compositions comprising expandable graphite |
JP7007424B2 (ja) * | 2020-06-01 | 2022-01-24 | 積水化学工業株式会社 | 耐火性樹脂組成物、耐火シート及び建具 |
CN113429633B (zh) * | 2021-07-09 | 2023-04-18 | 科迈特新材料有限公司 | 一种橡胶硫化活性剂及其制备方法 |
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