JP5904313B1 - 湿気硬化型ウレタン組成物及び被覆材 - Google Patents
湿気硬化型ウレタン組成物及び被覆材 Download PDFInfo
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- JP5904313B1 JP5904313B1 JP2015551651A JP2015551651A JP5904313B1 JP 5904313 B1 JP5904313 B1 JP 5904313B1 JP 2015551651 A JP2015551651 A JP 2015551651A JP 2015551651 A JP2015551651 A JP 2015551651A JP 5904313 B1 JP5904313 B1 JP 5904313B1
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- urethane
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- 239000000203 mixture Substances 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 title claims abstract description 27
- 239000011248 coating agent Substances 0.000 title claims abstract description 11
- 238000000576 coating method Methods 0.000 title claims abstract description 11
- 238000013008 moisture curing Methods 0.000 title claims description 8
- -1 polytetramethylene Polymers 0.000 claims abstract description 61
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 57
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- 125000000160 oxazolidinyl group Chemical group 0.000 claims abstract description 11
- 239000003377 acid catalyst Substances 0.000 claims abstract description 9
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims abstract description 9
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- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 3
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 3
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- IRIAEXORFWYRCZ-UHFFFAOYSA-N Butylbenzyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCC1=CC=CC=C1 IRIAEXORFWYRCZ-UHFFFAOYSA-N 0.000 description 2
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 2
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000004927 clay Substances 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
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- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
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- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 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
- 235000005985 organic acids Nutrition 0.000 description 1
- 125000006353 oxyethylene group Chemical group 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
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 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
- 238000007142 ring opening reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000009864 tensile test Methods 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
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/089—Reaction retarding agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/302—Water
- C08G18/307—Atmospheric humidity
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/83—Chemically modified polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Polyurethanes Or Polyureas (AREA)
- Paints Or Removers (AREA)
Abstract
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、以下、「PTMG1000」と略記する。)1,000質量部、ジプロピレングリコール(以下、「DPG」と略記する。)を297質量部を混合し、そこへトリレンジイソシアネート(以下、「TDI」と略記する。)を661質量部加え、窒素気流下、90℃で8時間反応させ、NCO%;2.5質量%、重量平均分子量;6,080のウレタンプレポリマー(A−1)を得た。
PTMG1000を1,000質量部、DPGを201質量部を混合し、そこへTDIを557質量部加え、窒素気流下、90℃で8時間反応させ、NCO%;3.4質量%、重量平均分子量;5,200のウレタンプレポリマー(A−2)を得た。
ポリテトラメチレングリコール(数平均分子量;2,000、以下、「PTMG2000」と略記する。)2,000質量部、DPGを282質量部を混合し、そこへTDIを685質量部加え、窒素気流下、90℃で8時間反応させ、NCO%;2.4質量%、重量平均分子量;8,190のウレタンプレポリマー(A−3)を得た。
PTMG1000を1,000質量部、プロピレングリコール(以下、「PG」と略記する。)を114質量部を混合し、そこへTDIを557質量部加え、窒素気流下、90℃で8時間反応させ、NCO%;3.5質量%、重量平均分子量;4,155のウレタンプレポリマー(A−4)を得た。
ポリプロピレングリコール(数平均分子量;3,000、以下、「PPG3000」と略記する。)640質量部、ポリオキシプロピレングリセリルエーテル(日油株式会社製「ユニオールTG−3000」、以下、「TG−3000」と略記する。)60質量部を混合し、そこへTDIを88質量部加え、窒素気流下、90℃で8時間反応させ、NCO%;3.1質量%、重量平均分子量;5,120のウレタンプレポリマー(A−5)を得た。
ポリプロピレングリコール(数平均分子量;1,000、以下、「PPG1000」と略記する。)1,000質量部を容器に入れ、そこへTDIを392質量部加え、窒素気流下、90℃で8時間反応させ、NCO%;7.6質量%のウレタンプレポリマー(A−6)を得た。
PTMG1000を1,000質量部を容器に入れ、そこへTDIを296質量部加え、窒素気流下、90℃で8時間反応させ、NCO%;4.5質量%、重量平均分子量;3,890のウレタンプレポリマー(A−7)を得た。
PTMG1000を1,000質量部を容器に入れ、そこへTDIを392質量部加え、窒素気流下、90℃で8時間反応させ、NCO%;7.2質量%、重量平均分子量;2,120のウレタンプレポリマー(A−8)を得た。
PPG1000を1,000質量部、DPGを167質量部を混合し、そこへTDIを664質量部加え、窒素気流下、90℃で8時間反応させ、NCO%;7.2質量%、重量平均分子量;2,685のウレタンプレポリマー(A−9)を得た。
セバシン酸とビスフェノールAのエチレンオキサイド6モル付加物とを反応させて得られたポリエステルポリオール(数平均分子量;1,250、以下、「PEs−1」と略記する。)1,250質量部を容器に入れ、そこへTDIを331質量部加え、窒素気流下、90℃で8時間反応させ、NCO%;4.8質量%、重量平均分子量;3,505のウレタンプレポリマー(A−10)を得た。
ダイマー酸と2-メチルペンタンジオールとを反応させて得られたポリエステルポリオール(数平均分子量;2,000、以下、「PEs−2」と略記する。)2,000質量部を容器に入れ、そこへTDIを383質量部加え、窒素気流下、90℃で8時間反応させ、NCO%;4.2質量%、重量平均分子量;4,170のウレタンプレポリマー(A−11)を得た。
PEs−1を1,250質量部、DPGを297質量部入れ混合し、そこへTDIを661質量部加え、窒素気流下、90℃で8時間反応させ、NCO%;2.2質量%、重量平均分子量;6,830のウレタンプレポリマー(A−12)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;1,000、オキシエチレン構造の含有量;20質量%、以下、「EOPO」と略記する。)を100質量部、TDIを80質量部を反応させ、NCO%;16.8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、N−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(以下、「OXZ−1」と略記する。)を114.5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」)400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1〜2に示す。
500g角缶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400g入れた後に、窒素を封入して密栓した状態で50℃にて1週間放置した。放置前後の粘度を測定し、粘度変化が2倍以下であるものを「T」、2倍を超えるものを「F」と評価した。
JISA6021:2011「6.6.1 23℃における引張性能試験」に準拠して引張試験を行い、引張強さ(N/mm2)、破断時の伸び率(%)及び破断時のつかみ間の伸び率(%)を測定した。なお、引張強さが10N/mm2以上であり、かつ破断時の伸び率が200%以上であるものは「T」、それ以外のものは「F」と評価した。
Claims (7)
- 数平均分子量が500〜5,000の範囲であるポリテトラメチレングリコール(a−1)と数平均分子量が50〜450の範囲である鎖伸長剤(a−2)とポリイソシアネート(a−3)とを反応させて得られる、イソシアネート基を有する重量平均分子量が1,000〜20,000の範囲の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)、及び、酸触媒(C)を含有することを特徴とする湿気硬化型ウレタン組成物。
- 前記ウレタンプレポリマー(A)のイソシアネート基含有率が、2〜5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。
- 前記ポリテトラメチレングリコール(a−1)及び前記鎖伸長剤(a−2)が有する水酸基と前記ポリイソシアネート(a−3)が有するイソシアネート基とのモル比(NCO/OH)が、1.1〜2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。
- 前記鎖伸長剤(a−2)が、ジプロピレングリコール及び/又はプロピレングリコールである請求項1記載の湿気硬化型ウレタン組成物。
- 前記ポリイソシアネート(a−3)が、トリレンジイソシアネート、イソホロンジイソシアネート及びジフェニルメタンジイソシアネートからなる群より選ばれる1種以上である請求項1記載の湿気硬化型ウレタン組成物。
- 硬化物のJISA6021:2011に準拠して測定した引張強さ(試験時温度23℃)が10N/mm2以上であり、かつ破断時の伸び率(試験時温度23℃)が200%以上である請求項1記載の湿気硬化型ウレタン組成物。
- 請求項1〜6のいずれか1項記載の湿気硬化型ウレタン組成物を湿気硬化して得られたことを特徴とする被覆材。
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JPWO2016038968A1 (ja) | 2017-04-27 |
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KR20170053621A (ko) | 2017-05-16 |
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