JP2011001562A - ゴム系発泡体 - Google Patents
ゴム系発泡体 Download PDFInfo
- Publication number
- JP2011001562A JP2011001562A JP2010224910A JP2010224910A JP2011001562A JP 2011001562 A JP2011001562 A JP 2011001562A JP 2010224910 A JP2010224910 A JP 2010224910A JP 2010224910 A JP2010224910 A JP 2010224910A JP 2011001562 A JP2011001562 A JP 2011001562A
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- parts
- weight
- foaming
- ethylene
- 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.)
- Granted
Links
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- 239000005060 rubber Substances 0.000 title claims description 53
- 239000006260 foam Substances 0.000 claims abstract description 44
- 238000005187 foaming Methods 0.000 claims abstract description 33
- 230000006835 compression Effects 0.000 claims abstract description 26
- 238000007906 compression Methods 0.000 claims abstract description 26
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 18
- 239000011593 sulfur Substances 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 claims abstract description 16
- 239000004088 foaming agent Substances 0.000 claims abstract description 14
- 239000006229 carbon black Substances 0.000 claims abstract description 9
- 229920001821 foam rubber Polymers 0.000 claims abstract description 8
- 238000004073 vulcanization Methods 0.000 claims description 36
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 26
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 16
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- 239000011787 zinc oxide Substances 0.000 claims description 8
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims description 5
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- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 4
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- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 4
- 239000004014 plasticizer Substances 0.000 description 4
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- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
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- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
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- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
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- 239000001099 ammonium carbonate Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- AUZONCFQVSMFAP-UHFFFAOYSA-N disulfiram Chemical compound CCN(CC)C(=S)SSC(=S)N(CC)CC AUZONCFQVSMFAP-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
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- 238000000465 moulding Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
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- 239000000049 pigment Substances 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
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- 230000001737 promoting effect Effects 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 229920005573 silicon-containing polymer Polymers 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- OJOWICOBYCXEKR-APPZFPTMSA-N (1S,4R)-5-ethylidenebicyclo[2.2.1]hept-2-ene Chemical compound CC=C1C[C@@H]2C[C@@H]1C=C2 OJOWICOBYCXEKR-APPZFPTMSA-N 0.000 description 1
- OJOWICOBYCXEKR-KRXBUXKQSA-N (5e)-5-ethylidenebicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(=C/C)/CC1C=C2 OJOWICOBYCXEKR-KRXBUXKQSA-N 0.000 description 1
- JSCFNQDWXBNVBP-UHFFFAOYSA-N 1,2-diphenylguanidine;phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O.C=1C=CC=CC=1N=C(N)NC1=CC=CC=C1 JSCFNQDWXBNVBP-UHFFFAOYSA-N 0.000 description 1
- OWRCNXZUPFZXOS-UHFFFAOYSA-N 1,3-diphenylguanidine Chemical compound C=1C=CC=CC=1NC(=N)NC1=CC=CC=C1 OWRCNXZUPFZXOS-UHFFFAOYSA-N 0.000 description 1
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- BLJHFERYMGMXSC-UHFFFAOYSA-N 3-[3-(hydrazinesulfonyl)phenyl]sulfonylbenzenesulfonohydrazide Chemical compound NNS(=O)(=O)C1=CC=CC(S(=O)(=O)C=2C=C(C=CC=2)S(=O)(=O)NN)=C1 BLJHFERYMGMXSC-UHFFFAOYSA-N 0.000 description 1
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- BUZICZZQJDLXJN-UHFFFAOYSA-N 3-azaniumyl-4-hydroxybutanoate Chemical compound OCC(N)CC(O)=O BUZICZZQJDLXJN-UHFFFAOYSA-N 0.000 description 1
- GRRGMQBIAJCOBQ-UHFFFAOYSA-N 4-(thiatriazol-5-yl)morpholine Chemical compound C1COCCN1C1=NN=NS1 GRRGMQBIAJCOBQ-UHFFFAOYSA-N 0.000 description 1
- NBOCQTNZUPTTEI-UHFFFAOYSA-N 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide Chemical compound C1=CC(S(=O)(=O)NN)=CC=C1OC1=CC=C(S(=O)(=O)NN)C=C1 NBOCQTNZUPTTEI-UHFFFAOYSA-N 0.000 description 1
- CBNXGQUIJRGZRX-UHFFFAOYSA-N 5-[4-fluoro-3-(trifluoromethyl)phenyl]furan-2-carbaldehyde Chemical compound C1=C(C(F)(F)F)C(F)=CC=C1C1=CC=C(C=O)O1 CBNXGQUIJRGZRX-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- 239000004604 Blowing Agent Substances 0.000 description 1
- MWRWFPQBGSZWNV-UHFFFAOYSA-N Dinitrosopentamethylenetetramine Chemical compound C1N2CN(N=O)CN1CN(N=O)C2 MWRWFPQBGSZWNV-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- PDQAZBWRQCGBEV-UHFFFAOYSA-N Ethylenethiourea Chemical compound S=C1NCCN1 PDQAZBWRQCGBEV-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- FLVIGYVXZHLUHP-UHFFFAOYSA-N N,N'-diethylthiourea Chemical compound CCNC(=S)NCC FLVIGYVXZHLUHP-UHFFFAOYSA-N 0.000 description 1
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- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- IRTBGOKOPBRVCI-UHFFFAOYSA-N [benzenesulfonyl-[benzenesulfonyl-(carbamoylamino)amino]oxyamino]urea Chemical compound C=1C=CC=CC=1S(=O)(=O)N(NC(=O)N)ON(NC(N)=O)S(=O)(=O)C1=CC=CC=C1 IRTBGOKOPBRVCI-UHFFFAOYSA-N 0.000 description 1
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- 229910000020 calcium bicarbonate Inorganic materials 0.000 description 1
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- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
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Abstract
【解決手段】エチレン・プロピレン系ゴム100重量部に対して、発泡剤5〜20重量部、カーボンブラック5〜25重量部及び白色系の充填剤90〜200重量部と、硫黄とを少なくとも成分とする混和物を加硫発泡処理した発泡体からなり、圧縮率50%の状態で70℃下に22時間放置した場合の熱圧縮永久歪みが90%以下であるゴム系発泡体。
【選択図】なし
Description
ムーニー粘度30のEPDM100部(重量部、以下同じ)、カーボンブラック10部、酸化亜鉛5部、ステアリン酸2部、プロセスオイル30部、重炭酸カルシウム150部及び水酸化アルミニウム30部をバンバリーミキサにて混練後、それにADCA10部、尿素(発泡助剤)2部、硫黄0.5部、チアゾール系加硫促進剤0.8部、及びジチオカルバミン酸塩系加硫促進剤1.0部を加えてミキシングロールにより混練して混和物を得、それを押出し機で成形して厚さ4.5mm、幅150mmの未加硫シートを得、それを乾燥機内で100℃にて40分間予熱後15分間かけて160℃に昇温しその温度で15分間加熱して加硫発泡処理し、発泡シートを得た。
チウラム系加硫促進剤を3部追加配合したほかは実施例1に準じて混和物を得、それを未加硫シートに成形した後そのシートを乾燥機内で100℃にて25分間予熱後15分間かけて160℃に昇温しその温度で15分間加熱して加硫発泡処理し、発泡シートを得た。
硫黄の配合量を1.5部としたほかは実施例1に準じて混和物を得、それを未加硫シートに成形した後そのシートを乾燥機内で100℃にて15分間予熱後15分間かけて160℃に昇温しその温度で15分間加熱して加硫発泡処理し、発泡シートを得た。
硫黄の配合量を1.0部としたほかは実施例1に準じて混和物を得、それを未加硫シートに成形した後そのシートを乾燥機内で100℃にて25分間予熱後15分間かけて160℃に昇温しその温度で15分間加熱して加硫発泡処理し、発泡シートを得た。
実施例、比較例で得た発泡シートについて、その密度を調べると共に熱圧縮永久歪みを調べた。なお熱圧縮永久歪みは、JIS K 6262に準拠した試験機に直径29mm、厚さ10±0.15mm(t0)の試験片を平行金属板間に厚さ5.0mm(t2)のスペーサを介しサンドイッチしてボルトで締め付けて圧縮率50%の状態とし、それを50℃又は70℃の恒温槽中に22時間放置したのち圧縮装置より試験片を取り出して室温下に30分間放置し、その試験片の厚さをJIS K 6262に準拠した測厚器にて測定し、その値(t1)より次式にて熱圧縮永久歪みを算出した。
熱圧縮永久歪み(%)=(t0−t1)/(t0−t2)×100
前記の結果を次表1に示した。
Claims (5)
- エチレン・プロピレン系ゴム100重量部に対して、発泡剤5〜20重量部、カーボンブラック5〜25重量部及び白色系の充填剤90〜200重量部と、硫黄とを少なくとも成分とする混和物を加硫発泡処理した発泡体からなり、圧縮率50%の状態で70℃下に22時間放置した場合の熱圧縮永久歪みが90%以下であることを特徴とするゴム系発泡体。
- 前記充填剤は、酸化亜鉛、炭酸カルシウムおよび水酸化アルミニウムからなる群から選択される少なくとも1種であることを特徴とする、請求項1に記載のゴム系発泡体。
- 前記充填剤が、酸化亜鉛、炭酸カルシウムおよび水酸化アルミニウムであることを特徴とする、請求項1または2に記載のゴム系発泡体。
- 混和物における硫黄の配合量がエチレン・プロピレン系ゴム100重量部あたり0.3〜0.8重量部であり、混和物がチウラム系加硫促進剤も成分とすることを特徴とする、請求項1〜3のいずれか一項に記載のゴム系発泡体。
- 密度が0.01〜0.3g/cm3であることを特徴とする、請求項1〜4のいずれか一項に記載のゴム系発泡体。
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JPS63175047A (ja) * | 1986-12-31 | 1988-07-19 | ビーピー ケミカルズ リミテツド | 無ハロゲン熱可塑塑性エラストマー組成物およびその製造方法 |
JPH01229049A (ja) * | 1988-03-08 | 1989-09-12 | Toyoda Gosei Co Ltd | スポンジゴム製品の製造方法 |
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JPH01229049A (ja) * | 1988-03-08 | 1989-09-12 | Toyoda Gosei Co Ltd | スポンジゴム製品の製造方法 |
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CN107840632A (zh) * | 2017-12-01 | 2018-03-27 | 班戈设备系统(苏州)有限公司 | 一种阻燃抗菌型隔热隔音建筑板材及其制备方法 |
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