JP2019119860A - プラスチック光学レンズ用ポリチオール組成物 - Google Patents
プラスチック光学レンズ用ポリチオール組成物 Download PDFInfo
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Abstract
Description
実施例1
102.1gのm−キシレンジイソシアネートおよび1.8gの2−(2−ヒドロキシ−5−tert−オクチルフェニル)ベンゾトリアゾールを均一に混合した。これに、内部離型剤として0.22gのZelec(登録商標)UN(酸性リン酸アルキルエステル離型剤、Stepan社)および重合触媒として0.03gのジブチルスズジクロリドを加えた。112.0gの合成例1のポリチオール組成物および5.3gの合成例2のポリチオール組成物を15℃で混合することによって得た、117.3gのポリチオール組成物をこれに加え、これを均一に混合して重合性組成物を調製した。この場合、ポリチオール組成物中の合成例1および2の化合物の含有率を、それが73.5重量%の式4で表されるポリチオール化合物、4.2重量%の式6で表されるポリチオール化合物、および22.3重量%の式4および6の化合物以外の他のオリゴマー化合物を含むように調整した。
下記の表1に示したように、種々の種類および含有率のポリチオール化合物を含むポリチオール組成物を用いたことを除いて、実施例1におけるのと同じ操作を行った。
2.4gの2−(2−ヒドロキシ−tert−オクチルフェニル)ベンゾトリアゾールおよびポリチオール組成物として125.8重量部の合成例3のポリチオール組成物と6.6重量部の合成例4のポリチオール組成物との混合物を用いたことを除いて、実施例1におけるのと同じ操作を行った。この場合、ポリチオール組成物中の合成例3および4の化合物の含有率を、それが82.7重量%の式5で表されるポリチオール化合物、5.1重量%の式7で表されるポリチオール化合物、および12.2重量%の式5および7の化合物以外の他のオリゴマー化合物を含むように調整した。
下記の表1に示したように、種々の種類および含有率のポリチオール化合物を含むポリチオール組成物を用いたことを除いて、実施例1におけるのと同じ操作を行った。
実施例1ないし6および比較例1ないし4で製造したプラスチック光学レンズの性質を各々、以下に記載した方法に従って測定した。測定結果を以下の表1に示す。
実施例1ないし6および比較例1ないし4で調製した重合性組成物の初期の粘度および5時間後の粘度を各々、非接触粘度計(EMS−1000、京都電子工業株式会社)を用い、それらの脱気およびろ過の後、10℃で測定した。
実施例1ないし6および比較例1ないし4で製造した各々のレンズの屈折率を、株式会社アタゴによって製造された屈折計DR−M4を用い、20℃で測定した。
実施例1ないし6および比較例1ないし4において製造した100のレンズについて、光源として水銀ランプを用い、レンズを通して光を透過させた。透過光を白板上に投影させ、コントラストの有無を目視で検査し、脈理の発生を決定した。脈理の発生率を、(脈理を有するレンズの数/測定したレンズの数(100))*100として評価した。
実施例1ないし6および比較例1ないし4において製造した各々のレンズのガラス転移温度(Tg)を、TMA Q400(TA社)により、針入法(荷重50g、ピンライン0.5mmΦ、昇温速度10℃/分)で測定した。
Claims (12)
- 水素結合性官能基としてエステル基およびメルカプト基のみを有する第1のポリチオール化合物と、
エステル基およびメルカプト基以外の水素結合性官能基を有する第2のポリチオール化合物と
を含むポリチオール組成物。 - 100重量部の前記第1のポリチオール化合物あたり2ないし30重量部の前記第2のポリチオール化合物を含む、請求項1に記載のポリチオール組成物。
- 前記第1のポリチオール化合物は4のメルカプト基を有し、
前記第2のポリチオール化合物は3のメルカプト基および1のヒドロキシル基を有する、請求項2に記載のポリチオール組成物。 - 前記第1のポリチオール化合物は、前記第1のポリチオール化合物の総モル量に基づいて、24ないし34モル%の量で酸素原子を含み、
前記第2のポリチオール化合物は、前記第2のポリチオール化合物の総モル量に基づいて、25ないし34モル%の量で酸素原子を含む、請求項1に記載のポリチオール組成物。 - 前記ポリチオール組成物の総重量に基づいて、前記第1のポリチオール化合物を55ないし90重量%の量で、および前記第2のポリチオール化合物を1ないし40重量%の量で含む、請求項2に記載のポリチオール組成物。
- 下記の式1で表される化合物、および下記の式2で表される化合物または下記の式3で表される化合物に、非ヒドロ縮合反応を施すことによって調製される、請求項1に記載のポリチオール組成物。
- 前記第1のポリチオール化合物は下記の式4または5で表される化合物であり、
前記第2のポリチオール化合物は下記の式6または7で表される化合物である、請求項1に記載のポリチオール組成物。
- 1モルの式1で表される前記化合物あたり、式2または3で表される前記化合物を3.7ないし5.0モルの量で反応させることによって得られる、請求項6に記載のポリチオール組成物。
- 1モルの式1で表される前記化合物あたり、式2または3で表される前記化合物を3.0ないし3.6モルの量で反応させることによって得られる、請求項6に記載のポリチオール組成物。
- 水素結合性官能基として4のメルカプト基のみを有する第1のポリチオール化合物と、
水素結合性官能基として3のメルカプト基および1のヒドロキシル基を有する第2のポリチオール化合物とを含む、ポリチオール組成物。 - 第1のポリチオール化合物および第2のポリチオール化合物を含むポリチオール組成物と、イソシアネート化合物とを含む重合性組成物であって、
前記第1のポリチオール化合物は水素結合性官能基としてエステル基およびメルカプト基のみを有し、
前記第2のポリチオール化合物はエステル基およびメルカプト基以外の水素結合性官能基を有する、重合性組成物。 - 第1のポリチオール化合物および第2のポリチオール化合物を含むポリチオール組成物と、イソシアネート化合物とを含む重合性組成物を硬化させることによって形成されたポリチオウレタン系樹脂を含む光学レンズであって、
前記第1のポリチオール化合物は水素結合性官能基としてエステル基およびメルカプト基のみを有し、
前記第2のポリチオール化合物はエステル基およびメルカプト基以外の水素結合性官能基を有する、光学レンズ。
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| JP2025502570A (ja) * | 2022-01-25 | 2025-01-24 | ケーエス オプティカル カンパニー リミテッド | エステルチオール化合物の製造方法およびそれを含む光学樹脂 |
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| JP6691990B1 (ja) | 2019-04-26 | 2020-05-13 | 三井化学株式会社 | 光学材料用チオール含有組成物、光学材料用重合性組成物 |
| CN110872246A (zh) * | 2019-12-02 | 2020-03-10 | 山东益丰生化环保股份有限公司 | 一种高含量季戊四醇四(3-巯基丙酸)酯的制备方法 |
| KR102448166B1 (ko) * | 2020-09-22 | 2022-09-27 | 에스케이씨 주식회사 | 폴리티올 조성물 및 이를 포함하는 광학용 중합성 조성물 |
| KR102888985B1 (ko) * | 2020-12-16 | 2025-11-24 | 케이에스광학주식회사 | 에스터 티올 화합물의 제조 방법 및 이를 포함하는 광학 수지 |
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| EP3505335B1 (en) | 2022-04-13 |
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| US10899867B2 (en) | 2021-01-26 |
| US20190202969A1 (en) | 2019-07-04 |
| CN109575216B (zh) | 2021-05-11 |
| KR101935031B1 (ko) | 2019-01-03 |
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