JP2022501476A - ポリ(ブチレンオキシド)ポリオールをベースにしたポリウレタンキャストエラストマー、およびポリウレタンキャストエラストマーを作製するための方法 - Google Patents
ポリ(ブチレンオキシド)ポリオールをベースにしたポリウレタンキャストエラストマー、およびポリウレタンキャストエラストマーを作製するための方法 Download PDFInfo
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- JP2022501476A JP2022501476A JP2021515216A JP2021515216A JP2022501476A JP 2022501476 A JP2022501476 A JP 2022501476A JP 2021515216 A JP2021515216 A JP 2021515216A JP 2021515216 A JP2021515216 A JP 2021515216A JP 2022501476 A JP2022501476 A JP 2022501476A
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- hydroxyl
- weight
- isocyanate
- butylene oxide
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- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 11
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- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 6
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- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 5
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 4
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- 125000003118 aryl group Chemical group 0.000 description 4
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- GYUMNYJZAMSDAX-UHFFFAOYSA-N bis[3,5-bis(trifluoromethyl)phenyl]-(2,4,6-trifluorophenyl)borane Chemical compound FC(C=1C=C(C=C(C=1)C(F)(F)F)B(C1=C(C=C(C=C1F)F)F)C1=CC(=CC(=C1)C(F)(F)F)C(F)(F)F)(F)F GYUMNYJZAMSDAX-UHFFFAOYSA-N 0.000 description 3
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 3
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003139 biocide Substances 0.000 description 1
- NORUYWXLXBRUTJ-UHFFFAOYSA-N bis[3,5-bis(trifluoromethyl)phenyl]-(2,3,4,5,6-pentachlorophenyl)borane Chemical compound FC(F)(F)c1cc(cc(c1)C(F)(F)F)B(c1cc(cc(c1)C(F)(F)F)C(F)(F)F)c1c(Cl)c(Cl)c(Cl)c(Cl)c1Cl NORUYWXLXBRUTJ-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
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- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- YMHQVDAATAEZLO-UHFFFAOYSA-N cyclohexane-1,1-diamine Chemical compound NC1(N)CCCCC1 YMHQVDAATAEZLO-UHFFFAOYSA-N 0.000 description 1
- UYFMQPGSLRHGFE-UHFFFAOYSA-N cyclohexylmethylcyclohexane;isocyanic acid Chemical compound N=C=O.N=C=O.C1CCCCC1CC1CCCCC1 UYFMQPGSLRHGFE-UHFFFAOYSA-N 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 125000004427 diamine group Chemical group 0.000 description 1
- 229920003244 diene elastomer Polymers 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- UNXHWFMMPAWVPI-ZXZARUISSA-N erythritol Chemical compound OC[C@H](O)[C@H](O)CO UNXHWFMMPAWVPI-ZXZARUISSA-N 0.000 description 1
- 235000019414 erythritol Nutrition 0.000 description 1
- 229940009714 erythritol Drugs 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
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- 235000011187 glycerol Nutrition 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- GJRQTCIYDGXPES-UHFFFAOYSA-N iso-butyl acetate Natural products CC(C)COC(C)=O GJRQTCIYDGXPES-UHFFFAOYSA-N 0.000 description 1
- FGKJLKRYENPLQH-UHFFFAOYSA-M isocaproate Chemical compound CC(C)CCC([O-])=O FGKJLKRYENPLQH-UHFFFAOYSA-M 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
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 1
- 229940011051 isopropyl acetate Drugs 0.000 description 1
- GWYFCOCPABKNJV-UHFFFAOYSA-M isovalerate Chemical compound CC(C)CC([O-])=O GWYFCOCPABKNJV-UHFFFAOYSA-M 0.000 description 1
- OQAGVSWESNCJJT-UHFFFAOYSA-N isovaleric acid methyl ester Natural products COC(=O)CC(C)C OQAGVSWESNCJJT-UHFFFAOYSA-N 0.000 description 1
- 150000007527 lewis bases Chemical class 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000013035 low temperature curing Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- SKTCDJAMAYNROS-UHFFFAOYSA-N methoxycyclopentane Chemical compound COC1CCCC1 SKTCDJAMAYNROS-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical class [H]C([H])([H])* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- GRTVIJZEPNJZJQ-UHFFFAOYSA-N n'-[2-[2-(2-aminoethylamino)ethylamino]ethyl]ethane-1,2-diamine;piperazine Chemical compound C1CNCCN1.NCCNCCNCCNCCN GRTVIJZEPNJZJQ-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical class OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000006254 rheological additive Substances 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000013008 thixotropic agent Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- QAEDZJGFFMLHHQ-UHFFFAOYSA-N trifluoroacetic anhydride Chemical class FC(F)(F)C(=O)OC(=O)C(F)(F)F QAEDZJGFFMLHHQ-UHFFFAOYSA-N 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
Classifications
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- 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
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
- C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
-
- 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
-
- 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
- C08G18/22—Catalysts containing metal compounds
-
- 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
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- 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
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
- C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
- C08G18/4841—Polyethers containing oxyethylene units and other oxyalkylene units containing oxyethylene end groups
-
- 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
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
-
- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2603—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen
- C08G65/2606—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups
- C08G65/2609—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups containing aliphatic hydroxyl groups
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- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2642—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
- C08G65/2645—Metals or compounds thereof, e.g. salts
- C08G65/2654—Aluminium or boron; Compounds thereof
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Polyethers (AREA)
Abstract
Description
触媒1は、(2,5−ビス(トリフルオロメチル)フェニル)ビス(3,5−ビス(トリフルオロメチル)フェニル)ボランであり、次のように調製される。:n−ブチルリチウム(6.0mL、ヘキサン中2.46M、14.8mmol)を、ジエチルエーテル(200mL)中の1−ブロモ−2,5−ビス(トリフルオロメチル)ベンゼン(4.32g、14.8mmol)の冷(−78℃、CO2(s)浴)溶液に30分かけて加える。反応混合物をドライアイス浴中で1時間撹拌すると、沈殿物が形成される。エーテル(20mL)中のイソプロポキシビス(3,5−ビス(トリフルオロメチル)フェニル)ボラン(7.32g、14.8mmol)を30分かけて加える。反応混合物を周囲温度まで撹拌しながら一晩加温して、黄色の透明な溶液を得る。エーテル中のHCL溶液(15.0mL、2.0M、30mmol)を加えると、無色の沈殿物が形成される。反応混合物を濾過し、揮発性物質を窒素流下で一晩撹拌しながら除去して、淡黄色の粘着性固体を得る。エーテル(100mL)を追加する(すべての固体が溶解するわけではない)。追加のHCl(5mL、10mmol)を加え、混合物を2時間撹拌する。混合物を濾過し、揮発性物質を減圧下で除去する。残留物をトルエンで抽出し、濾過し、揮発性物質を減圧下で除去する。残留物を熱ヘキサンで抽出し、濾過し、得られた溶液を、60℃でも固体が形成し始めるまで濃縮する。混合物を冷凍庫で一晩冷却する。上澄みをデカントし、固形物をヘキサンで洗浄し、固形物を減圧下で乾燥させる。
ポリオールAは、数平均分子2000を有する市販のポリ(ブチレンオキシド)ホモポリマーである。ヒドロキシル基の2%未満が、一級である。
エラストマーの実施例1ならびに比較サンプルAおよびBは、9.57部のポリオールを0.81部の1,4−ブタンジオールおよび0.2部の市販の金属カルボン酸塩触媒(King IndustriesからのKKat(登録商標)XK−604)と実験用ミキサで組み合わせる、続いて4.6部のポリイソシアネートを加えて簡単に混合することにより、「ワンショット」プロセスで調製される。得られた反応混合物を15.2cm×15.2×0.155cmのチェイスに注ぎ、プレスで30分間、80℃、約1200 psi(8.3 MPa)で硬化させる。得られたエラストマーをチェイスから取り出し、80℃で16時間後硬化させる。成分の量は、実施例1ならびに比較サンプルAおよびBのそれぞれについて、36重量%のハードセグメント含有量を有するエラストマーを生成するために選択される。反応混合物には、界面活性剤、溶媒、または他の材料は含まれていない。
エラストマー実施例2ならびに比較サンプルCおよびDは、それぞれ実施例1ならびに比較サンプルAおよびBと同じ方法で調製されるが、成分の量は、50重量%のハードセグメント含有量を有するエラストマーを生成するようにそれぞれの場合に選択される。 したがって、それぞれの場合に、ポリオールの量は、8.7部であり、1,4−ブタンジオールの量は、1.3部であり、イソシアネートの量は、6.2部であり、触媒の量は、0.15部である。すでに述べたように、反応混合物には、界面活性剤、溶媒または他の材料は含まれていない。
実施例3ならびに比較サンプルEおよびFは、「プレポリマー」プロセスで作製される。32.3部のポリオールが26.9部のポリイソシアネートと反応して、約9.5重量%のイソシアネート含有量を有するプレポリマーを形成する。18.2部の得られたプレポリマー、1.8部の1,4−ブタンジオール、および0.01部の金属カルボン酸塩触媒を実験用ミキサで組み合わせ、開いた型に注ぎ、すでに述べたように硬化させて、50% 重量のハードセグメント含有量を有するエラストマーを生成する。
Claims (10)
- ブチレンオキシドおよびエチレンオキシドのヒドロキシル含有コポリマーであって、ブチレンオキシドおよびエチレンオキシドの前記コポリマーが、少なくとも150のヒドロキシル当量と、1分子あたり平均1.8〜6つのヒドロキシル基(このうちの少なくとも70%が、一級ヒドロキシル基である)と、前記コポリマーの重量に基づいて10重量%以下のオキシエチレン含有量と、を有する、ヒドロキシル含有コポリマー。
- 400〜2000のヒドロキシル当量と、1分子あたり平均2〜4つのヒドロキシル基と、1〜1.175の多分散性と、を有する、請求項1に記載のヒドロキシル含有コポリマー。
- 2〜10重量%のオキシエチレン単位を含み、前記オキシエチレン単位が、前記ヒドロキシル含有コポリマーの鎖の末端に1つの単位またはブロックとして存在する、請求項1または2に記載のヒドロキシル含有コポリマー。
- 1〜30重量%のオキシプロピレン単位を含む、請求項1〜3のいずれか一項に記載のヒドロキシル含有コポリマー。
- 少なくとも1つのポリイソシアネートと、少なくとも1つの鎖延長剤および請求項1〜5のいずれか一項に記載の少なくとも1つのヒドロキシル含有コポリマーを含むイソシアネート反応性材料との反応生成物である、ポリウレタン。
- 少なくとも1つのポリイソシアネートおよび少なくとも1つの鎖延長剤が一緒になって、1つ以上のポリイソシアネートおよびイソシアネート反応性材料の総合計重量の15〜60%を構成する、請求項6に記載のポリウレタン。
- ポリウレタンを作製するためのワンショット法であって、1つ以上のポリイソシアネートであって、200以下の数平均イソシアネート当量を有する前記1つ以上のポリイソシアネートと、少なくとも1つの鎖延長剤および請求項1〜5のいずれか一項に記載の少なくとも1つのヒドロキシル含有コポリマーを含む、イソシアネート反応性材料と、を含む、反応混合物を形成する工程と、前記反応混合物を1工程で硬化させて、前記ポリウレタンを形成する工程と、を含む、ワンショット法。
- 前記1つ以上のポリイソシアネートおよび前記少なくとも1つの鎖延長剤が一緒になって、前記1つ以上のポリイソシアネートおよびイソシアネート反応性材料の総合計重量の15〜60%を構成する、請求項8に記載のワンショット法。
- 前記反応混合物を、前記反応混合物の重量に基づいて5%以下の溶媒の存在下で硬化させて、前記ポリウレタンを形成する、請求項8または9に記載のワンショット法。
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PCT/US2019/051572 WO2020068494A1 (en) | 2018-09-28 | 2019-09-17 | Polyurethane cast elastomers based on poly(butylene oxide) polyols and method for making polyurethane cast elastomers |
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US20040030093A1 (en) * | 2000-09-28 | 2004-02-12 | Yoko Sakurai | Metal catalyst for ring-opening polymerization of heterocyclic compound |
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