JP5588119B2 - 2液型硬化性目地組成物 - Google Patents
2液型硬化性目地組成物 Download PDFInfo
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- JP5588119B2 JP5588119B2 JP2009096719A JP2009096719A JP5588119B2 JP 5588119 B2 JP5588119 B2 JP 5588119B2 JP 2009096719 A JP2009096719 A JP 2009096719A JP 2009096719 A JP2009096719 A JP 2009096719A JP 5588119 B2 JP5588119 B2 JP 5588119B2
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- 229920000620 organic polymer Polymers 0.000 claims description 32
- 239000003795 chemical substances by application Substances 0.000 claims description 25
- -1 amine compound Chemical class 0.000 claims description 24
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- VEORPZCZECFIRK-UHFFFAOYSA-N 3,3',5,5'-tetrabromobisphenol A Chemical compound C=1C(Br)=C(O)C(Br)=CC=1C(C)(C)C1=CC(Br)=C(O)C(Br)=C1 VEORPZCZECFIRK-UHFFFAOYSA-N 0.000 description 1
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- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical class C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 1
- QJIVRICYWXNTKE-UHFFFAOYSA-N 4-(8-methylnonoxy)-4-oxobutanoic acid Chemical compound CC(C)CCCCCCCOC(=O)CCC(O)=O QJIVRICYWXNTKE-UHFFFAOYSA-N 0.000 description 1
- DZIHTWJGPDVSGE-UHFFFAOYSA-N 4-[(4-aminocyclohexyl)methyl]cyclohexan-1-amine Chemical compound C1CC(N)CCC1CC1CCC(N)CC1 DZIHTWJGPDVSGE-UHFFFAOYSA-N 0.000 description 1
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- VNGLVZLEUDIDQH-UHFFFAOYSA-N 4-[2-(4-hydroxyphenyl)propan-2-yl]phenol;2-methyloxirane Chemical compound CC1CO1.C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 VNGLVZLEUDIDQH-UHFFFAOYSA-N 0.000 description 1
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- MQJKPEGWNLWLTK-UHFFFAOYSA-N Dapsone Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 MQJKPEGWNLWLTK-UHFFFAOYSA-N 0.000 description 1
- PYGXAGIECVVIOZ-UHFFFAOYSA-N Dibutyl decanedioate Chemical compound CCCCOC(=O)CCCCCCCCC(=O)OCCCC PYGXAGIECVVIOZ-UHFFFAOYSA-N 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
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- 125000002723 alicyclic group Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000005370 alkoxysilyl group Chemical group 0.000 description 1
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- 125000003277 amino group Chemical group 0.000 description 1
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical compound FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 description 1
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
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- OYOFUEDXAMRQBB-UHFFFAOYSA-N cyclohexylmethanediamine Chemical compound NC(N)C1CCCCC1 OYOFUEDXAMRQBB-UHFFFAOYSA-N 0.000 description 1
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Description
本発明の2液型硬化性目地組成物は、反応性ケイ素基を有する有機重合体と、エポキシ基含有化合物とを含むA剤、アミン化合物または環状部分を持たないか環状部分を有していても当該環状部分に不飽和結合が無いアミン化合物と、前記反応性ケイ素基を有する有機重合体の硬化触媒を含むB剤、とから成ることを特徴とする2液型硬化性目地組成物であり、必要に応じて希釈剤、顔料、充填材、酸化防止剤が配合される。
表1に従って、実施例1、実施例2、及び比較例1乃至比較例3の2液型硬化性目地組成物のA剤及びB剤を調製した。表1において、反応性ケイ素基を有する有機重合体には、カネカサイリルEST270(粘度15Pa・s/23℃、B型粘度計、(株)カネカ製、商品名)を、エポキシ基含有化合物にはjER828(ビスフェノールA型エポキシ樹脂、エポキシ当量190、ジャパンエポキシレジン(株)、商品名)を、希釈剤にはアデカポリエーテルP3000(平均分子量3000、官能基数2、粘度450mPas/25℃、(株)ADEKA製、商品名)を、酸化防止剤にはフェノール系酸化防止剤であるIRGANOX1010(ペンタエリスリトールテトラキス(3−(3.5−ジ-t−ブチル−4−ヒドロキシフェニル)プロピオネート)、チバ・ジャパン(株)製、商品名)を、顔料にはタイピュアR−960(酸化チタン、デュポン(株)製、商品名)を、充填材にはカルファイン200M(表面脂肪酸処理炭酸カルシウム、丸尾カルシウム(株)製、商品名)、ビニルシランにはZ-6300(ビニルトリメトキシシラン、東レ・ダウコーニング(株)製、商品名)を、アミン化合物1にはアンカミンK54(トリス(ジメチルアミノメチル)フェノール、エアープロダクツジャパン(株)製、商品名)を、アミン化合物2には1.3BAC(1.3ビスアミノメチルシクロヘキサン、三菱瓦斯化学(株)製)を、アルコキシシランにはSH−6020(アミノエチルアミノプロピルトリメトキシシラン、東レ・ダウコーニング(株)製、商品名)を、反応性ケイ素基を有する有機重合体の硬化触媒にはネオスタンU−130(1、1、3、3−テトラブチル−1、3−ジラウロイルオキシジスタノキサン、日東化成(株)製、商品名)を使用し、それぞれA剤又はB剤毎に、充填材が配合されるものについては、ディスパーにより混合後、3本ロールにて均一に分散した。充填材が配合されないものについては高速ディスパーにより均一に混合した。
A剤又はB剤を各々鉄製缶容器に500g入れ密封する。これを50℃恒温槽中に4週間放置後、23℃まで冷却し、当初の粘度を比較する。粘度計はBH型回転粘度計を使用した。製造初期粘度の60%〜140%以内に留まるものを○とし、これ以外を×とした。
試料調製後23℃に2日間放置したA剤とB剤を表1に従ってそれぞれ攪拌混合し、厚み10mm幅40mm長さ40mmのモルタル板2枚を20mm間隔に保持することによって形成した幅20mm長さ40mm深さ10mmの目地に充填する。目地表面はヘラで平滑にした。その後23℃で15時間硬化養生後、2枚のモルタル板を目地を中央にして折りたたむことによって目地に屈曲を与え、その際の硬化物の破壊状況を目視にて観察する。ひび割れ、破断等の異常が無いときは○とし、異常が見られた場合は×とした。
試料調製後23℃に2日間放置したA剤とB剤を表1に従ってそれぞれ攪拌混合し、厚み4mmのシート状に硬化させる。23℃で14日間硬化養生後、長さ50mm幅50mmに切り出し、50℃温水中に7日間浸漬後、23℃水中に浸漬し、ただちに取り出す。その後表面に付着した水分をウェスでふき取り重量を測定する。50℃温水浸漬前の重量と比較し重量変化率を求める。当該重量変化率が10%以下を○とし、10%超を×とした。
試料調製後23℃に2日間放置したA剤とB剤を表1に従ってそれぞれ攪拌混合し、厚み4mmのシート状に硬化させる。23℃で14日間硬化養生後、 長さ50mm幅50mmに切り出し、屋外の南面に45度角度で6ヶ月暴露する。その後屋内冷暗所に密封保管した硬化片と色調を目視にて比較する。黄変が見られないものを○とし、黄変が認められるものを×とした。
評価結果を表1に記載する。
Claims (2)
- 反応性ケイ素基を有する有機重合体と、エポキシ基含有化合物と、充填材を含み、水を配合しないA剤、アミン化合物と、前記反応性ケイ素基を有する有機重合体の硬化触媒を含み充填材を含まないB剤、とから成ることを特徴とする2液型硬化性目地組成物。
- アミン化合物が環状部分を持たないか環状部分を有していても当該環状部分に不飽和結合が無いアミン化合物であることを特徴とする請求項1記載の2液型硬化性目地組成物。
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