JP2018527424A - ファルネセン系ポリマー及びそれを組み入れた液状の光学的に透明な接着剤組成物 - Google Patents
ファルネセン系ポリマー及びそれを組み入れた液状の光学的に透明な接着剤組成物 Download PDFInfo
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- JP2018527424A JP2018527424A JP2017568039A JP2017568039A JP2018527424A JP 2018527424 A JP2018527424 A JP 2018527424A JP 2017568039 A JP2017568039 A JP 2017568039A JP 2017568039 A JP2017568039 A JP 2017568039A JP 2018527424 A JP2018527424 A JP 2018527424A
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- polymer
- liquid optically
- adhesive composition
- farnesene
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- Prior art date
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- PSGCQDPCAWOCSH-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl) prop-2-enoate Chemical compound C1CC2(C)C(OC(=O)C=C)CC1C2(C)C PSGCQDPCAWOCSH-UHFFFAOYSA-N 0.000 description 1
- PLFFHJWXOGYWPR-HEDMGYOXSA-N (4r)-4-[(3r,3as,5ar,5br,7as,11as,11br,13ar,13bs)-5a,5b,8,8,11a,13b-hexamethyl-1,2,3,3a,4,5,6,7,7a,9,10,11,11b,12,13,13a-hexadecahydrocyclopenta[a]chrysen-3-yl]pentan-1-ol Chemical compound C([C@]1(C)[C@H]2CC[C@H]34)CCC(C)(C)[C@@H]1CC[C@@]2(C)[C@]4(C)CC[C@@H]1[C@]3(C)CC[C@@H]1[C@@H](CCCO)C PLFFHJWXOGYWPR-HEDMGYOXSA-N 0.000 description 1
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- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
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Abstract
Description
本願は、ファルネセン系ポリマー及びそれを組み入れた液状の光学的に透明な接着剤組成物と題する2015年6月29日に出願された米国特許出願第14/753,449号と関連し、その利益を主張するものであり、その内容は参照により本明細書に組み入れられる。
本発明は、液状の光学的に透明な接着剤(LOCA:liquid optically clear adhesive)組成物及び接着剤を組み入れた積層組立体に関する。さらに詳細には、本発明は、ファルネセン由来の低粘度ポリマーを含むLOCA組成物に関する。
式(I)
Xは、独立して、水素及びアルキル基からなる群から選択される。
ファルネセンを含むモノマーをアニオン重合して、少なくとも一つのリビング末端(living terminal)を有するポリマーを提供することと、
少なくとも一つのリビング末端をクエンチしてヒドロキシル末端ポリマーを提供することと、
ヒドロキシル末端ポリマーを水素化して、少なくとも部分的に飽和したヒドロキシル末端ポリマーを提供することと、
少なくとも部分的に飽和したヒドロキシル末端ポリマーと少なくとも一つの試薬とを反応させて、アクリレート末端水素化ポリマーを提供することと、
を含む。
セミバッチプロセスにおいて、極性溶媒中二官能性有機リチウム開始剤をリアクターに移し、そして2000g/molのおよその目標分子量を達成するために充分なファルネセンモノマーを連続して添加した。重合反応を25〜40℃で実施し、過剰のプロピレンオキシドで停止させ、続いて弱酸で中和し、抗酸化剤としてBHTを添加して、ポリファルネセンジオールを得た。最終溶液を水で洗浄して、アルカリ性を低減/除去した。有機相を水相から分離し、次いで、窒素雰囲気下での水蒸気蒸留によって分離された有機相から溶媒を除去した。
319gのポリファルネセンジオール、7.2gのNi触媒及び溶媒として336gのヘプタンを圧力リアクターに移し、続いて水素で3回パージした。反応温度を水素圧下で100〜130°に設定した。温度が溶媒の沸点に達する前に、反応混合物を窒素で3回パージし、水素を反応に連続して供給した。撹拌速度及び水素圧によって反応温度を制御した。反応をモニターするために、アリコートサンプルを定期的に採取し、溶媒を乾燥した後、FTIRを使用して分析した。各サンプルの不飽和ピークを測定した。不飽和ピークが完全に消えるまでこの手順を繰り返した。反応混合物を次いで室温まで冷却し、触媒をろ過により除去し、そして最終溶液を真空下でストリップした。
イソホロンジイソシアネート(IPDI)を2−ヒドロキシエチルアクリレート(HEA)と反応させてアクリル化イソシアネートを作製することによって、ウレタンアクリレートをまず調製した。25gのIPDI、0.25gのIrgonox 1010、及び0.25gのジブチルスズジラウレート(DBTDL)を、メカニカルスターラー、熱電対、滴下漏斗、及びエアスパージを備えたレジンケトルに移した。11.9gの2−ヒドロキシエチルアクリレート(HEA)を反応混合物に室温で連続して添加し、完全に添加した後、温度が40℃に達した。
以下に、本願発明に関連する発明の実施形態を例示する。
[実施形態1]
ファルネセンを含むモノマーから誘導されるポリマーであって、アクリレート基で官能化された少なくとも一つの末端及び50%又はそれより小さい不飽和度を有するポリマーを含む、液状の光学的に透明な接着剤組成物。
[実施形態2]
前記ポリマーが、一つ又はそれより多くのジエンをさらに含むモノマーから誘導されるものである、実施形態1に記載の液状の光学的に透明な接着剤。
[実施形態3]
前記ジエンが、ブタジエン、イソプレン、及びミルセンからなる群から選択される、実施形態2に記載の液状の光学的に透明な接着剤。
[実施形態4]
前記ポリマーの前記末端がアクリレート基で官能化されている、実施形態1に記載の液状の光学的に透明な接着剤。
[実施形態5]
前記ポリマーがウレタン基をさらに含む、実施形態1に記載の液状の光学的に透明な接着剤。
[実施形態6]
前記ポリマーがエステル基をさらに含む、実施形態1に記載の液状の光学的に透明な接着剤組成物。
[実施形態7]
前記ポリマーが10%又はそれより小さい不飽和度を有する、実施形態1に記載の液状の光学的に透明な接着剤組成物。
[実施形態8]
前記ポリマーがUV光、電子線、又は熱によって硬化可能である、実施形態1に記載の液状の光学的に透明な接着剤組成物。
[実施形態9]
硬化した場合、前記接着剤が1.45より大きな屈折率を有する、実施形態1に記載の液状の光学的に透明な接着剤組成物。
[実施形態10]
前記ポリマーが100,000g/mol又はそれより小さい分子量を有する、実施形態1に記載の液状の光学的に透明な接着剤組成物。
[実施形態11]
前記ポリマーが25,000g/mol又はそれより小さい分子量を有する、実施形態1に記載の液状の光学的に透明な接着剤組成物。
[実施形態12]
25℃で10,000cP未満の粘度を有する、実施形態1に記載の液状の光学的に透明な接着剤組成物。
[実施形態13]
式(I)の構造を有するポリマーであって、
R 2 は式(II)又は式(III)の構造を有し、
Xは、独立して、水素及びアルキル基からなる群から選択される、
前記ポリマーを含む、液状の光学的に透明な接着剤組成物。
[実施形態14]
液状の光学的に透明な接着剤組成物を調製する方法であって:
モノマーをアニオン重合させて、少なくとも一つのリビング末端を有するポリマーを提供することであって、前記モノマーがファルネセンを含むものであることと、
前記少なくとも一つのリビング末端をクエンチして、ヒドロキシル末端ポリマーを提供することと、
前記ヒドロキシル末端ポリマーを水素化して、少なくとも部分的に飽和したヒドロキシル末端ポリマーを提供することと、
前記少なくとも部分的に飽和したヒドロキシル末端ポリマーを一つ又はそれより多くの試薬と反応させて、アクリレート末端水素化ポリマーを提供することと、
を含む、前記方法。
[実施形態15]
前記モノマーが一つ又はそれより多くのジエンをさらに含む、実施形態14に記載の方法。
[実施形態16]
前記ジエンがブタジエン、イソプレン、及びミルセンからなる群から選択される、実施形態15に記載の方法。
[実施形態17]
前記ポリマーが、クエンチされてジオールを提供するリビング末端を2つ有する、実施形態14に記載の方法。
[実施形態18]
前記少なくとも部分的に飽和したヒドロキシル末端ポリマーが50%又はそれより小さい不飽和度を有する、実施形態14に記載の方法。
[実施形態19]
前記少なくとも部分的に飽和したヒドロキシル末端ポリマーが10%又はそれより小さい不飽和度を有する、実施形態14に記載の方法。
[実施形態20]
前記少なくとも部分的に飽和したヒドロキシル末端ポリマーを前記一つ又はそれより多くの試薬と反応させることでエステル基を形成する、実施形態14に記載の方法。
[実施形態21]
前記少なくとも部分的に飽和したヒドロキシル末端ポリマーを前記一つ又はそれより多くの試薬と反応させることでウレタン基を形成する、実施形態14に記載の方法。
[実施形態22]
前記一つ又はそれより多くの試薬がイソホロンジイソシアネート及び2ヒドロキシエチルアクリレートを含む、実施形態21に記載の方法。
[実施形態23]
ディスプレイに接着した透明層と、前記透明層と前記ディスプレイとの間の硬化した接着剤とを備える積層スクリーン組立体であって、前記接着剤が実施形態1に記載の液状の光学的に透明な接着剤組成物である、前記積層スクリーン組立体。
[実施形態24]
前記透明層と前記ディスプレイとの間にタッチパネルセンサ層をさらに備え、前記硬化した接着剤が、前記タッチパネルセンサ層と、前記透明層及び前記ディスプレイの少なくとも一つとに接着する、実施形態23に記載の積層スクリーン組立体。
[実施形態25]
前記硬化した接着剤が、前記透明層の屈折率の10%以内の屈折率を有する、実施形態23に記載の積層スクリーン組立体。
[実施形態26]
前記硬化した接着剤が、前記透明層の屈折率の5%以内の屈折率を有する、実施形態23に記載の積層スクリーン組立体。
[実施形態27]
ファルネセンを含むモノマーから誘導される線状又は分岐骨格を含み、ヒドロキシル基で官能化された少なくとも1つの末端を含む、ポリマー。
[実施形態28]
50%又はそれより小さい不飽和度を有する、実施形態27に記載のポリマー。
Claims (28)
- ファルネセンを含むモノマーから誘導されるポリマーであって、アクリレート基で官能化された少なくとも一つの末端及び50%又はそれより小さい不飽和度を有するポリマーを含む、液状の光学的に透明な接着剤組成物。
- 前記ポリマーが、一つ又はそれより多くのジエンをさらに含むモノマーから誘導されるものである、請求項1に記載の液状の光学的に透明な接着剤。
- 前記ジエンが、ブタジエン、イソプレン、及びミルセンからなる群から選択される、請求項2に記載の液状の光学的に透明な接着剤。
- 前記ポリマーの前記末端がアクリレート基で官能化されている、請求項1に記載の液状の光学的に透明な接着剤。
- 前記ポリマーがウレタン基をさらに含む、請求項1に記載の液状の光学的に透明な接着剤。
- 前記ポリマーがエステル基をさらに含む、請求項1に記載の液状の光学的に透明な接着剤組成物。
- 前記ポリマーが10%又はそれより小さい不飽和度を有する、請求項1に記載の液状の光学的に透明な接着剤組成物。
- 前記ポリマーがUV光、電子線、又は熱によって硬化可能である、請求項1に記載の液状の光学的に透明な接着剤組成物。
- 硬化した場合、前記接着剤が1.45より大きな屈折率を有する、請求項1に記載の液状の光学的に透明な接着剤組成物。
- 前記ポリマーが100,000g/mol又はそれより小さい分子量を有する、請求項1に記載の液状の光学的に透明な接着剤組成物。
- 前記ポリマーが25,000g/mol又はそれより小さい分子量を有する、請求項1に記載の液状の光学的に透明な接着剤組成物。
- 25℃で10,000cP未満の粘度を有する、請求項1に記載の液状の光学的に透明な接着剤組成物。
- 液状の光学的に透明な接着剤組成物を調製する方法であって:
モノマーをアニオン重合させて、少なくとも一つのリビング末端を有するポリマーを提供することであって、前記モノマーがファルネセンを含むものであることと、
前記少なくとも一つのリビング末端をクエンチして、ヒドロキシル末端ポリマーを提供することと、
前記ヒドロキシル末端ポリマーを水素化して、少なくとも部分的に飽和したヒドロキシル末端ポリマーを提供することと、
前記少なくとも部分的に飽和したヒドロキシル末端ポリマーを一つ又はそれより多くの試薬と反応させて、アクリレート末端水素化ポリマーを提供することと、
を含む、前記方法。 - 前記モノマーが一つ又はそれより多くのジエンをさらに含む、請求項14に記載の方法。
- 前記ジエンがブタジエン、イソプレン、及びミルセンからなる群から選択される、請求項15に記載の方法。
- 前記ポリマーが、クエンチされてジオールを提供するリビング末端を2つ有する、請求項14に記載の方法。
- 前記少なくとも部分的に飽和したヒドロキシル末端ポリマーが50%又はそれより小さい不飽和度を有する、請求項14に記載の方法。
- 前記少なくとも部分的に飽和したヒドロキシル末端ポリマーが10%又はそれより小さい不飽和度を有する、請求項14に記載の方法。
- 前記少なくとも部分的に飽和したヒドロキシル末端ポリマーを前記一つ又はそれより多くの試薬と反応させることでエステル基を形成する、請求項14に記載の方法。
- 前記少なくとも部分的に飽和したヒドロキシル末端ポリマーを前記一つ又はそれより多くの試薬と反応させることでウレタン基を形成する、請求項14に記載の方法。
- 前記一つ又はそれより多くの試薬がイソホロンジイソシアネート及び2ヒドロキシエチルアクリレートを含む、請求項21に記載の方法。
- ディスプレイに接着した透明層と、前記透明層と前記ディスプレイとの間の硬化した接着剤とを備える積層スクリーン組立体であって、前記接着剤が請求項1に記載の液状の光学的に透明な接着剤組成物である、前記積層スクリーン組立体。
- 前記透明層と前記ディスプレイとの間にタッチパネルセンサ層をさらに備え、前記硬化した接着剤が、前記タッチパネルセンサ層と、前記透明層及び前記ディスプレイの少なくとも一つとに接着する、請求項23に記載の積層スクリーン組立体。
- 前記硬化した接着剤が、前記透明層の屈折率の10%以内の屈折率を有する、請求項23に記載の積層スクリーン組立体。
- 前記硬化した接着剤が、前記透明層の屈折率の5%以内の屈折率を有する、請求項23に記載の積層スクリーン組立体。
- ファルネセンを含むモノマーから誘導される線状又は分岐骨格を含み、ヒドロキシル基で官能化された少なくとも1つの末端を含む、ポリマー。
- 50%又はそれより小さい不飽和度を有する、請求項27に記載のポリマー。
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