CN106749937A - 一种异氰酯光学树脂的合成 - Google Patents

一种异氰酯光学树脂的合成 Download PDF

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CN106749937A
CN106749937A CN201510818385.7A CN201510818385A CN106749937A CN 106749937 A CN106749937 A CN 106749937A CN 201510818385 A CN201510818385 A CN 201510818385A CN 106749937 A CN106749937 A CN 106749937A
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component
optical resin
ester optical
added
isocyanide ester
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鲍丕莹
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/006—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
    • 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
    • C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
    • C08G18/3855—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
    • C08G18/3876—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing mercapto 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
    • C08G18/70—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
    • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
    • C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
    • C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
    • C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

本发明涉及一种异氰酯光学树脂的合成，包括：加入200-250g巯基乙酸异辛酯，抽真空20-30分钟，通入氮气，边搅拌边加入250g的异佛尔酮二异氰酸酯，混合搅拌均匀，得一无色透明的液体A组分；在室温的条件下，将120g1,4-丁二醇二丙烯酸酯与3g对羟基苯甲醚混合，搅拌均匀，配成B组分；将A和B组分按1：1的重量配比混合后加入二者总重量2.0%的1-羟基环己基苯基甲酮作为光引发剂，混合均匀并脱泡，将其置于紫外灯下照射10秒钟，固化后即得到异氰酯光学树脂。

Description

一种异氰酯光学树脂的合成
技术领域
本发明涉及一种异氰酯光学树脂的合成，属于合成化学领域。
背景技术
含硫的聚氨酯树脂，又被称为硫代氨基甲酸酯树脂，其具有较高的折光率和优异的耐冲击性能，被广泛的用作光学树脂，主要用于树脂镜片。该树脂通过硫醇与异氰酸酯的缩合反应来制备，但为了保持树脂的光学均匀性，反应时间较长，例如24小时以上，生产效率较低。
自由基聚合的速率很快，生产效率高。将硫代氨基甲酸酯树脂与自由基聚合结合起来，能够制得折光率较高的光学树脂。
发明内容
本发明所要解决的技术问题是提供一种异氰酯光学树脂的合成，解决了现有的有机硅聚氨酯丙烯酸酯的合成方法反应得到的产物相容性差、合成工艺中反应不好控制及合成的产物分子量较小且分子量分布较宽等问题。
本发明解决上述技术问题的技术方案如下：加入200-250g巯基乙酸异辛酯，抽真空20-30分钟，通入氮气，边搅拌边加入250g的异佛尔酮二异氰酸酯，混合搅拌均匀，得一无色透明的液体A组分；在室温的条件下，将120g1,4- 丁二醇二丙烯酸酯与3g对羟基苯甲醚混合，搅拌均匀，配成B组分；将A和B组分按1：1的重量配比混合后加入二者总重量2.0%的1-羟基环己基苯基甲酮作为光引发剂，混合均匀并脱泡，将其置于紫外灯下照射10秒钟，固化后即得到异氰酯光学树脂。
本发明的有益效果是：解决了现有的有机硅聚氨酯丙烯酸酯的合成方法反应得到的产物相容性差、合成工艺中反应不好控制及合成的产物分子量较小且分子量分布较宽等问题。
具体实施方式
以下对本发明的原理和特征进行描述，所举实例只用于解释本发明，并非用于限定本发明的范围。
实施例 1
加入200g巯基乙酸异辛酯，抽真空20分钟，通入氮气，边搅拌边加入250g的异佛尔酮二异氰酸酯，混合搅拌均匀，得一无色透明的液体A组分；在室温的条件下，将120g1,4- 丁二醇二丙烯酸酯与3g对羟基苯甲醚混合，搅拌均匀，配成B组分；将A和B组分按1：1的重量配比混合后加入二者总重量2.0%的1-羟基环己基苯基甲酮作为光引发剂，混合均匀并脱泡，将其置于紫外灯下照射10秒钟，固化后即得到异氰酯光学树脂。
实施例 2
加入250g巯基乙酸异辛酯，抽真空30分钟，通入氮气，边搅拌边加入250g的异佛尔酮二异氰酸酯，混合搅拌均匀，得一无色透明的液体A组分；在室温的条件下，将120g1,4- 丁二醇二丙烯酸酯与3g对羟基苯甲醚混合，搅拌均匀，配成B组分；将A和B组分按1：1的重量配比混合后加入二者总重量2.0%的1-羟基环己基苯基甲酮作为光引发剂，混合均匀并脱泡，将其置于紫外灯下照射10秒钟，固化后即得到异氰酯光学树脂。
实施例 3
加入220g巯基乙酸异辛酯，抽真空25分钟，通入氮气，边搅拌边加入250g的异佛尔酮二异氰酸酯，混合搅拌均匀，得一无色透明的液体A组分；在室温的条件下，将120g1,4- 丁二醇二丙烯酸酯与3g对羟基苯甲醚混合，搅拌均匀，配成B组分；将A和B组分按1：1的重量配比混合后加入二者总重量2.0%的1-羟基环己基苯基甲酮作为光引发剂，混合均匀并脱泡，将其置于紫外灯下照射10秒钟，固化后即得到异氰酯光学树脂。
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (2)

1.一种异氰酯光学树脂的合成，其特征在于，包括：加入200-250g巯基乙酸异辛酯，抽真空20-30分钟，通入氮气，边搅拌边加入250g的异佛尔酮二异氰酸酯，混合搅拌均匀，得一无色透明的液体A组分；在室温的条件下，将120g1,4- 丁二醇二丙烯酸酯与3g对羟基苯甲醚混合，搅拌均匀，配成B组分；将A和B组分按1：1的重量配比混合后加入二者总重量2.0%的1-羟基环己基苯基甲酮作为光引发剂，混合均匀并脱泡，将其置于紫外灯下照射10秒钟，固化后即得到异氰酯光学树脂。
2.根据权利要求1所属的合成方法，其特征在于，A和B组分比例为1:1。
CN201510818385.7A 2015-11-24 2015-11-24 一种异氰酯光学树脂的合成 Pending CN106749937A (zh)

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Application publication date: 20170531