JP6255847B2 - 湿気硬化型ウレタン組成物、被覆材及び土木建築構造体 - Google Patents
湿気硬化型ウレタン組成物、被覆材及び土木建築構造体 Download PDFInfo
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- JP6255847B2 JP6255847B2 JP2013201486A JP2013201486A JP6255847B2 JP 6255847 B2 JP6255847 B2 JP 6255847B2 JP 2013201486 A JP2013201486 A JP 2013201486A JP 2013201486 A JP2013201486 A JP 2013201486A JP 6255847 B2 JP6255847 B2 JP 6255847B2
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- urethane composition
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- SXCBDZAEHILGLM-UHFFFAOYSA-N heptane-1,7-diol Chemical compound OCCCCCCCO SXCBDZAEHILGLM-UHFFFAOYSA-N 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- OHMBHFSEKCCCBW-UHFFFAOYSA-N hexane-2,5-diol Chemical compound CC(O)CCC(C)O OHMBHFSEKCCCBW-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 150000004658 ketimines Chemical class 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 239000013008 thixotropic agent Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Polyurethanes Or Polyureas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
カラム:東ソー株式会社製の下記のカラムを直列に接続して使用した。
「TSKgel G5000」(7.8mmI.D.×30cm)×1本
「TSKgel G4000」(7.8mmI.D.×30cm)×1本
「TSKgel G3000」(7.8mmI.D.×30cm)×1本
「TSKgel G2000」(7.8mmI.D.×30cm)×1本
検出器:RI(示差屈折計)
カラム温度:40℃
溶離液:テトラヒドロフラン(THF)
流速:1.0mL/分
注入量:100μL(試料濃度0.4質量%のテトラヒドロフラン溶液)
標準試料:下記の標準ポリスチレンを用いて検量線を作成した。
東ソー株式会社製「TSKgel 標準ポリスチレン A−500」
東ソー株式会社製「TSKgel 標準ポリスチレン A−1000」
東ソー株式会社製「TSKgel 標準ポリスチレン A−2500」
東ソー株式会社製「TSKgel 標準ポリスチレン A−5000」
東ソー株式会社製「TSKgel 標準ポリスチレン F−1」
東ソー株式会社製「TSKgel 標準ポリスチレン F−2」
東ソー株式会社製「TSKgel 標準ポリスチレン F−4」
東ソー株式会社製「TSKgel 標準ポリスチレン F−10」
東ソー株式会社製「TSKgel 標準ポリスチレン F−20」
東ソー株式会社製「TSKgel 標準ポリスチレン F−40」
東ソー株式会社製「TSKgel 標準ポリスチレン F−80」
東ソー株式会社製「TSKgel 標準ポリスチレン F−128」
東ソー株式会社製「TSKgel 標準ポリスチレン F−288」
東ソー株式会社製「TSKgel 標準ポリスチレン F−550」
ポリテトラメチレングリコール(数平均分子量;1,000)80質量部、及び、平均粒子径が23μmのセルロース微粉末20質量部を、株式会社モリヤマ製加圧ニーダー(DS1−5GHH−H)を用いて60rpmで480分間混練を行ってセルロースの微細化処理を行い、微細化セルロースを含むポリテトラメチレングリコール(以下、「CNF含有PTMG」と略記する。)を得た。ここで、得られたCNF含有PTMGを走査型電子顕微鏡(10,000倍)にて観察し、セルロースの微細化状態を確認したところ、100nmより細かく解れているセルロースナノファイバーが存在し、平均粒子径も3.5μmであったことから、良好なセルロースナノファイバーが作製できていることを確認した。
次いで、前記CNF含有PTMGを250質量部、ポリオキシエチレンポリオキシプロピレングリコール(数平均分子量;3,000、オキシエチレン構造の含有量;10質量%)を38.73質量部、ジプロピレングリコールを19.47質量部を混合し、そこへトリレンジイソシアネートを124.45質量部加え、窒素気流下、90℃で8時間反応させた後キシレンを26.3質量部加え、NCO%;6.55質量%のウレタンプレポリマー(A−1)を得た。
ポリテトラメチレングリコール(数平均分子量;1,000)を200質量部、ポリオキシエチレンポリオキシプロピレングリコール(数平均分子量;3,000、オキシエチレン構造の含有量;10質量%)を38.73質量部、ジプロピレングリコールを19.47質量部を混合し、そこへトリレンジイソシアネートを124.45質量部加え、窒素気流下、90℃で8時間反応させた後キシレンを26.3質量部加え、NCO%;7.35質量%のウレタンプレポリマー(A−2)を得た。
ポリオキシエチレンポリオキシプロピレングリコール(数平均分子量;3,000、オキシエチレン構造の含有量;10質量%)を150質量部、トリレンジイソシアネートを80質量部を反応させ、NCO%;15質量%のウレタンプレポリマーを得た。次いで、キシレンを40質量部加えて撹拌しながら、2−イソプロピル−3−(2−ヒドロキシエチル)−1,3−オキサゾリジン131質量部を発熱を抑えながらゆっくり滴下した。発熱が収まったのを確認した後、70℃にて8時間撹拌させ、オキサゾリジン基を有するウレタン化合物(B−1)を得た。
密閉した混合容器内で所定量のウレタンプレポリマー(A)とウレタン化合物(B)、更に予め乾燥した炭酸カルシウム(日東粉化製「NS−200」)225質量部、2−エチルヘキシルフタレート50質量部、キシレン50質量部、及び、サリチル酸0.4質量部を均一に混合して湿気硬化型ウレタン組成物を得た。配合表及び試験結果を表−1に示す。
四方を枠で囲い離型紙を貼ったガラス板(30×30cm)上に厚さが2mmとなるように実施例及び比較例で得られた湿気硬化型ウレタン組成物を流し、25℃×50%の条件下で7日間硬化養生させた。その後、JISA6021に準拠して、−20℃、23℃及び60℃における引張物性(引張強度(MPa)及び引張伸び率(%))を測定した。
Claims (5)
- ポリオール(a−1)とポリイソシアネート(a−2)とを反応させて得られるイソシアネート基を有するウレタンプレポリマー(A)、
ポリオール(b−1)とポリイソシアネート(b−2)とN−2−ヒドロキシアルキルオキサゾリジン(b−3)とを反応させて得られるオキサゾリジン基を有するウレタン化合物(B)、
酸触媒(C)、及び、
平均粒子径が10μm以下の微細化セルロース(D)を含有する湿気硬化型ウレタン組成物であって、前記ポリオール(a−1)がポリオキシアルキレンポリオールであり、前記微細化セルロース(D)が、該ポリオキシアルキレンポリオール中でセルロースを微細化して得られたものであることを特徴とする湿気硬化型ウレタン組成物。 - 前記微細化セルロース(D)の含有量が、湿気硬化型ウレタン組成物中0.5〜10質量%の範囲である請求項1記載の湿気硬化型ウレタン組成物。
- 請求項1又は2記載の湿気硬化型ウレタン組成物を用いて得られたことを特徴とする被覆材。
- 少なくとも、無機質基材(i)、及び、請求項3記載の被覆材からなる被覆材層(ii)を有することを特徴とする土木建築構造体。
- 無機質基材(i)上に被覆材層(ii)を有するものである請求項4記載の土木建築構造体。
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