CN101102749B - 含有聚醚取代的聚合物的眼用组合物 - Google Patents

含有聚醚取代的聚合物的眼用组合物 Download PDF

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CN101102749B
CN101102749B CN2005800469545A CN200580046954A CN101102749B CN 101102749 B CN101102749 B CN 101102749B CN 2005800469545 A CN2005800469545 A CN 2005800469545A CN 200580046954 A CN200580046954 A CN 200580046954A CN 101102749 B CN101102749 B CN 101102749B
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F·莫洛克
K·O·罗伦斯
S·马哈德文
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Abstract

本发明涉及含有至少一种分子量至少约500,000道尔顿的水溶性聚合物的眼用溶液和装置,该水溶性聚合物包括分子量至少约300的直链或支链聚醚侧基。

Description

含有聚醚取代的聚合物的眼用组合物
发明领域
本发明涉及含有聚醚取代的聚合物的眼用组合物。更具体而言,本发明涉及含有聚醚取代的聚合物的眼用制剂、溶液和装置。
干眼综合症为眼表面病症,其导致眼部的严重刺激、发红和发痒。该问题可能是由于泪膜三种主要组件(亦即脂质、水层和粘膜层)之任一的破裂,或是由于其组成分子的反常表达。
当前多数干眼治疗包括局部施用无机盐、亲水聚合物的粘稠溶液和两者组合。已经报道了在滴加人造眼泪替代物时经由点状发生泪液的指数损失。因此不限于软隐形眼镜、硬隐形眼镜、眼内透镜、叠加透镜、眼用嵌入剂(ocular inserts)和光学嵌入剂。
本发明组合物包括、基本上由和由至少一种透镜形成组分和至少一种水溶性聚合物组成。此处使用的术语水溶性指的是在室温或室温之上的温度都可溶于水,并且在室温或室温之上的温度可分散在水中。本发明水溶性聚合物含有分子量至少约300的直链或支链聚醚侧基。该水溶性聚合物具有至少约300,000道尔顿,优选大于约500,000道尔顿,更优选大于约800,000道尔顿的重均分子量。重均分子量可参考合适的标准例如聚甲基丙烯酸甲酯通过凝胶渗透色谱法测量。
合适的聚醚侧基可由式I单体得到:
A-[(CZpHq)y-O]n-CHm-X3-m
其中n大于或等于7;m为1或2;Z为C1-C6取代或未取代的烷基,q为0、1或2,并且p为2-q,y为2-4,A为任何可聚合自由基,并且X为独立地选自下组的取代基:H、羟基、未取代的直链或支链烷基、取代的直链或支链烷基、取代和未取代的胺、取代和未取代的酰胺、硫醇、醚和酯。
可聚合自由基的例子包括丙烯酸酯、苯乙烯基、乙烯基、乙烯基醚、C1-6烷基丙烯酸酯、丙烯酰胺、C1-6烷基丙烯酰胺、N-乙烯基内酰胺、N-乙烯基酰胺、C2-12烯基、C2-12烯基苯基、C2-12烯基萘基或C2-6烯基苯基C1-6烷基。优选的可聚合自由基包括甲基丙烯酸酯、丙烯酰氧基、甲基丙烯酰胺、丙烯酰胺,以及其混合物。
优选的X选自取代或未取代的直链或支链C1-16烷基,并且更优选取代或未取代的直链或支链C1-12烷基。
对于X,取代烷基上的取代基包括羧酸、酯、酰卤、胺、酰胺、酮、醛、卤化物、硫化物、硫醇、季铵盐,以及其组合等。
对于Z,取代烷基上的取代基包括羟基、羧酸、酯、酰卤、胺、酰胺、酮、醛、卤化物、硫化物、硫醇、季铵盐,以及其组合等。
优选n为7-50,更优选7-40。
式I单体的例子包括具有七个或七个以上醚键的可聚合乙氧基甲醇,例如但不限于mPEG 350、mPEG 475、mPEG 1100、其更大同系物,以及其组合等等。优选的式I单体包括mPEG 350、mPEG 475、mPEG 1100,以及其组合等等。合适的单体可以为此处所述平均分子量范围内的聚乙二醇甲醚甲基丙烯酸酯,购自不同来源,例如Aldrich。
水溶性聚合物还可包括由共聚单体衍生的侧基。合适的共聚单体可以是亲水的或疏水的,并且包括可聚合硅酮、糖、碳水化合物、聚醚、酰胺、内酰胺、磺酸、磺酸酯、胺、羟基、醚、酯、醛、酮、氨基酸、甲基丙烯酸化长链烃、可聚合离子化合物、可在水溶性聚合物聚合后转化为离子基的潜在反应化合物,以及其组合等等。优选的合适的共聚单体包括可聚合酰胺、内酰胺、可聚合离子化合物和糖基化物质。共聚物的特定例子包括甲基丙烯酸月桂酯、甲基丙烯酸丁酯、甲基丙烯酸异丙酯、甲基丙烯酸甲酯、甲基丙烯酸苯酯、甲基丙烯酸羟乙酯、甲基丙烯酸、单甲基丙烯酸甘油酯、羟乙基甲基丙烯酰胺、甲基丙烯酸2-(4-吗啉基)乙酯、吗啉基甲基丙烯酰胺、甲基丙烯酸2-(N,N-二甲氨基)乙酯、二甲基丙烯酰胺、N-乙烯基可聚合材料,包括N-乙烯基-N-甲基乙酰胺和N-乙烯基吡咯烷酮、苯乙烯磺酸酯、2-丙烯酰胺基-2-甲基-1-丙磺酸钠、磺基丙基丙烯酰胺,以及其组合等等。优选的共聚单体包括二甲基丙烯酰胺、N-乙烯基吡咯烷酮,以及其组合等等。
人们相信本发明水溶性聚合物可作为人造粘蛋白,其有助于保持眼天然泪膜和脂质层完整。多个聚醚侧基为水溶性聚合物提供了亲水刷状或梳状结构。因此在一个实施方案中,水溶性聚合物至少约20%并且优选至少约30%的主链单元具有键接于其上的侧基。在另一个实施方案中,至少约20%,优选至少约60%,并且更优选至少约75%的侧基为式I聚醚侧基。
所述水溶性聚合物可通过包括光致聚合作用的多种方法制备。选定的式I单体和共聚单体与光引发剂混合,使用或不使用溶剂,并使用合适波长辐射聚合。
合适的光引发剂体系包括芳香族α-羟基酮、烷氧基氧基苯偶姻、苯乙酮、酰基氧化膦、二酰基氧化膦和具有二酮的叔胺,以及其混合物等等。光引发剂的说明性实例为1-羟基环己基苯酮、2-羟基-2-甲基-1-苯基丙-1-酮、双(2,6-二甲氧基苯甲酰基)-2,4,4-三甲基戊基氧化膦(DMBAPO)、双(2,4,6-三甲基苯甲酰基)-苯基氧化膦(Irgacure 819)、2,4,6-三甲基苄基二苯基氧化膦和2,4,6-三甲基苯甲酰基二苯基氧化膦、苯偶姻甲醚,以及樟脑醌和4-(N,N-二甲氨基)苯甲酸乙酯的组合。市场上可买到的可见光引发剂体系包括Irgacure 819、Irgacure 1700、Irgacure 1800、Irgacure 819、Irgacure 1850(均购自Ciba SpecialtyChemicals)和Lucirin TPO引发剂(购自BASF)。市场上可买到的紫外光引发剂包括Darocur 1173和Darocur 2959(Ciba SpecialtyChemicals)。这些和其它可使用的光引发剂公开在J.V.Crivello & K.Dietliker;G.Bradley;John Wiley和Sons编辑的Photoinitiators forFree Radical Cationic & Anionic Photopolymerization,New York;1998第二版卷III中,将其并入此处作为参考。所述光引发剂以有效量用于反应混合物中以引发反应混合物的光致聚合,相对于每100份反应单体使用量例如约0.1-约2重量份。根据使用的聚合引发剂,反应混合物的聚合可通过合适的加热、可见光或紫外光或其它方式引发。或者,引发可不使用光引发剂而使用例如电子束进行。然而当使用光引发剂时,优选的引发剂为二酰基氧化膦,例如双(2,4,6-三甲基苯甲酰基)苯基氧化膦(
Figure G05846954520070724D000031
)或1-羟基环己基苯基酮和双(2,6-二甲氧基苯甲酰基)-2,4,4-三甲基戊基氧化膦(DMBAPO)、CGI 1850的组合,并且引发聚合的优选方法为可见光引发。
合适的溶剂包括中至高极性体系,例如甲苯、乙酸乙酯、叔丁醇、二甲亚砜、二甲基甲酰胺、甲醇,以及其组合等等。在制备极性聚合物时,优选的溶剂为易于与己烷混合的那些,当制备与水不相溶的聚合物时,优选水溶性溶剂。
基于反应混合物中所有组分的量(单体、共聚单体、光引发剂、溶剂等等),溶剂以约10-约90重量%的量使用。
在反应之前将反应混合物脱气以除去溶解氧,并将反应在惰性气氛下进行。聚合快速进行,通常时间少于约4小时,并且优选少于约2小时。
聚合物可通过已知方法分离,例如在非极性溶剂中沉淀然后水洗和/或再次沉淀,并蒸发剩余溶剂。这些方法为本领域技术人员所公知。
该水溶性聚合物可加入到各种眼用溶液和装置中。例如,本发明水溶性聚合物可加入到眼药水、隐形眼镜再增湿溶液、隐形眼镜包装和/或洗涤液或隐形眼镜本身中。当水溶性聚合物加入到溶液中时,以重量计的合适的量包括约50ppm至约5重量%,并且优选约100ppm至约3重量%。当水溶性聚合物加入到隐形眼镜时,以重量计其可以最多约15重量%的量加入,优选约0.05-约10重量%。所述眼用溶液可包括已知的其它组分,例如渗透调节剂(例如但不限于缓冲剂)、粘性调节剂、抗菌剂、聚合电解质、稳定剂、螯合剂、抗氧剂,以及其组合等等。
所述水溶性聚合物可以多种方式加入到隐形眼镜中,包括将水溶性聚合物加入到眼镜反应混合物中并将混合物固化以得到眼镜,或者在含有水溶性聚合物的溶液中浸渍已经预先形成的眼镜,通过任意方法涂布在眼镜上,涂布方法包括但不限于接枝、模具转移、浸涂、旋涂等,以及其组合等。
水溶性聚合物可加入到任意隐形眼镜制剂中,或与任意隐形眼镜一起使用。各种制剂为本领域已知并且包括etafilcon A、galyfilcon A、lotrafilcon A和B、vifilcon、balafilcon、omafilcon、genfilcon A、lenefilconA、polymacon、acquafilcon A等。还可使用本领域已知的使用可聚合组分的其它眼镜制剂。
隐形眼镜可为硬或软隐形眼镜。在一个实施方案中,隐形眼镜为软隐形眼镜。软隐形眼镜可由常规亲水制剂或硅酮水凝胶制剂制成。
在一个实施方案中,本发明水溶性聚合物可加入到水凝胶制剂中,而没有有效共价键合到水凝胶。没有有效共价键指的是尽管可能存在较小程度的共价键,但它对于将润湿剂保留在水凝胶基质中不是主要的。不管是否偶然存在共价键,其本身不会足够将水溶性聚合物保留在水凝胶基质中。相反,保留与水凝胶有关的润湿剂的非常占优势的作用是“截留(entrapment)”。根据本发明的说明书,当其物理性保持在水凝胶基质中时,聚合物被“截留”。这通过水溶性聚合物的聚合物链纠缠在水凝胶聚合物基质中实现。然而,范德华力、偶极间相互作用、静电引力和氢键作用也会较小程度的有助于这种截留。
水溶性聚合物可通过多种方法加入到水凝胶中。例如,水溶性聚合物可加入到反应混合物中,以使得水凝胶在水溶性聚合物“附近”聚合以形成半渗透网格。或者,水溶性聚合物还可加入到包装眼镜的溶液中。水溶性聚合物渗透进入眼镜。包装的眼镜可进行热处理,以增加水溶性聚合物渗透眼镜的量。然而适当的热处理包括但不仅限于常规的加热杀菌周期,这包括在约120℃的温度加热约20分钟。如果不使用加热灭菌,包装的眼镜可以分别热处理。
或者,所述水溶性聚合物可加入到涂布制剂中并涂布至少一部分眼用装置,并且在一个实施方案中,隐形眼镜通过合适的涂布方法涂布,例如浸涂、模具迁移、旋涂和接枝。
以下非限制性实例进一步说明本发明。
使用硼酸盐缓冲盐水使用Wilhelmy平衡在23℃测量动力接触角或DCA。眼镜表面和硼酸盐缓冲盐水之间的润湿力使用Wilhelmy微量天平测量,同时从眼镜中部切掉的样品带以100微米/秒的速率浸入到盐水中。使用以下方程式:
F=2γpcosθ或θ=cos-1(F/2γp)
其中F为润湿力,γ为测试液体的表面张力,p为样品在凸液面的周长,并且θ为接触角。通常从动力润湿试验中得到两个接触角--前进接触角和后退接触角。前进接触角从润湿试验中样品进入测试液体的部分得到,并且为此处提出的值。对于每个组合物至少测量四个眼镜并取平均值。
含水率如下测量:将测试眼镜放置于包装溶液24小时。三个测试眼镜使用海绵尖药签从包装溶液中取出并放置在已经用包装溶液润湿的blotting wipes上。眼镜两侧都与blotting wipes接触。使用镊子将眼镜放置于天平托盘并称重。制备两组或多组样品并如上称重。称重三次并取平均值。
将样品托盘放置在已经预热到60℃的真空烘箱中30分钟测量干重。施加真空直到达到0.4英寸汞柱。关掉真空管和泵并将眼镜干燥4小时。打开排气阀并使烘箱达到大气压力。除去样品托盘并称重。含水率如下计算:
湿重=托盘和眼镜总湿重-天平托盘重量
干重=托盘和眼镜总干重-天平托盘重量
Figure G05846954520070724D000061
记录计算得到的样品含水率的平均偏差和标准偏差。
使用装有已经降低至最初量度的装料槽的恒速运动型拉力实验机的十字头测量模量和伸张度。合适的实验机包括Instron 1122型。长0.522英寸、“耳”宽0.276英寸和“颈”宽0.213英寸的狗骨形样品装入装料槽,并以2英寸/分钟的恒速张力拉伸直到其断裂。测量样品的最初长度(Lo)和断裂长度(Lf)。对于各个组合物测量十二个样品并取平均值。在应力/应变曲线的首次直线段测量抗张模量。
在以下实施例中使用以下缩写:
HEMA:甲基丙烯酸2-羟乙酯
MAA:甲基丙烯酸
EGDMA:二甲基丙烯酸乙二醇酯
mPEG350:Mn约350的甲基丙烯酸聚乙二醇甲醚酯
mPEG475:Mn约475的甲基丙烯酸聚乙二醇甲醚酯
Norbloc 7966:2-(2′-羟基-5-甲基丙烯酰氧基乙基苯基)-2H-苯并三唑
CGI 1850:1-羟基环己基苯基酮和双(2,6-二甲氧基苯甲酰基)-2,4,4-三甲基戊基氧化膦1∶1(重量)混合物
CGI-819:双(2,4,6-三甲基苯甲酰基)苯基氧化膦
蓝HEMA:活性蓝4和HEMA的反应产物,如美国专利US5,944,853实施例4所述。
实施例
实施例1
以下量的以下化合物混合在一起以形成均匀混合物。
mPEG350        59.66克
Norbloc7966    340毫克
CGI1850        400毫克
乙酸异丙酯     100毫升
均匀混合物在80毫米汞柱真空下脱气1小时。在脱气期间使用正向氮气流动将真空中断3-4次。将该物质转移到手套箱(其处于氮气氛下)中。将混合物转入到结晶皿并用表面玻璃覆盖。然后将该体系在室温下暴露于可见光(菲利普T103灯泡)1小时以形成所需聚合物。
通过加入50毫升己烷随后剧烈搅拌将聚合物沉淀。滗出溶剂和全部可溶物质。使用300毫升己烷另外洗涤,然后充分混合并滗出液体。继续洗涤过程直到聚合物发粘并且非常稠。
将产物溶于50毫升乙酸乙酯并向体系中加入己烷再次沉淀。重复上述洗涤过程并将产品在55℃在旋转蒸发器中除去全部溶剂。得到所需产物39克。以透明浓浆得到材料,通过GPC确定的平均分子量为25000。
实施例2
以下量的以下化合物混合在一起以形成均匀混合物。
mPEG475      45克
叔丁醇       70毫升
Norbloc      75毫克
CGI1850      300毫克
均匀混合物在100毫米汞柱下脱气1小时。在脱气期间每隔15分钟用氮气净化。将反应混合物转入在氮气保护气氛下的手套箱并转入到110内径×175外径×70毫米高的镀银结晶皿中。将结晶皿置于距光源(可见光灯泡,菲利普-TL03)约115毫米的架子上。将容器用2毫米厚过滤器覆盖(Schott,VG-6,339732)并将反应物在室温下聚合1小时。
将聚合物在装有100毫升己烷的锥形瓶(Buchi-450毫升)沉淀并剧烈搅拌。滗出液体并将聚合物用己烷洗涤两次,每次使用100毫升。然后将残余固相溶于50毫升乙酸乙酯,再沉淀并如上所述用己烷洗涤。再次重复乙酸乙酯/己烷顺序并除去部分粗制品(2-4克),减压干燥,在50℃在真空烘箱中干燥,然后通过GPC得到分子量数据。
向锥形瓶中加入精确称重的甲基丙烯酸2-羟乙酯(HEMA)(约250克),并将体系在旋转蒸发器中逐渐混合,直到体系完全均匀。然后水浴在10-15毫巴的真空度在40℃加热。已经没有溶剂蒸馏出来后继续蒸发2小时。
精确称量锥形瓶和溶液的重量(W2=锥形瓶+聚合物+HEMA的重量)。将溶液转移到合适的容器后,将锥形瓶彻底净化、干燥并精确称重(W3=锥形瓶重量)。
W2-W3=HEMA+聚合物的重量=W4
Figure G05846954520070724D000081
聚合物溶液的浓度(重量百分数)通过W5/(W4)确定。参照聚甲基丙烯酸甲酯(PMMA)标准样品确定的分子量(Mn)大于约300,000。
实施例3
一种重量%的实施例1聚合物加入到包装溶液。将5毫升包装溶液聚合物混合物置于小玻璃管中,并将日抛型ACUVUE牌隐形眼镜(购自庄臣及庄臣视力保护公司)放于玻璃管中。将玻璃管密封并在121℃热压处理30分钟。眼镜在热压处理后在环境温度下平衡至少约1天。
五个受试者在一个眼睛上佩戴测试眼镜并且在另一个眼睛上佩戴对比眼镜。在观测之前眼镜稳定30分钟。
30分钟后,使用TearscopeTM(Keeler)观察两种眼镜的非侵入流泪时间(NIBUT)和脂质层厚度。发现与对照眼镜相比,测试眼镜具有更长的NIBUT(10.4秒对7.6秒)。还发现在5个受试者的四个受试者中,测试眼镜比对照眼镜具有更厚的脂质层。
表2
Figure G05846954520070724D000082
实施例4
实施例2中形成的共聚物(MM-44)在下表3中列出的制剂中作为单体组分:
表3
  组分   重量%
  HEMA   95.88
  MAA   1.50
  Norbloc   1.00
  CGI819   0.50
  EGDMA   1.00
  蓝HEMA   0.02
  Ex.(MM-44)   0.10
将组分在玻璃瓶中与40重量%硼酸甘油酯混合、密封并在瓶滚轴上滚动直到均匀。
使用聚苯乙烯+1%锌前曲线和后曲线眼镜模具在单槽眼镜机上制造眼镜。将单体装入前曲线,后曲线沉积,并将部分置于预固化光源下10秒钟。模具在约4mW/cm2和65℃固化4分钟。将眼镜脱模并在70±5℃下置于浸出溶液180±3分钟,然后在45±5℃漂洗15-60分钟,并在45±5℃平衡至少3小时。目测检查眼镜,包装在具有包装溶液的小瓶中并在121℃杀菌30分钟。测量眼镜的物理性能并列于下表4。
表4
  性能
  含水率(%)   53.6±0.1
  模量(psi)   50.9±2.6
  伸长率(%)   155.7±49.1
  前进接触角   68±6
30个近视、软隐形眼镜佩带者佩戴测试眼镜和对比眼镜(日抛型ACUVUE)。每种类型的眼镜日常佩戴1星期并且每天可随意替换。研究人员隐蔽,研究设计基于随机、双边交叉设计。二十九个受试者完成了研究。
佩戴眼镜1星期后,受试者根据其佩戴两种眼镜的感受填写偏好调查表。在总体舒适、一天佩戴后舒适、干燥、佩戴时间和湿润方面,得自实施例4的眼镜与日抛型
Figure G05846954520070724D000101
的偏好比为2∶1。与对照眼镜相比,佩戴测试眼镜1-星期后汇总的症状减少50%。

Claims (29)

1.含有至少一种分子量至少500,000道尔顿的水溶性聚合物的眼用装置,该水溶性聚合物包括分子量至少300的直链或支链聚醚侧基;其中所述聚醚侧基由式I单体得到:
A-[(CZpHq)y-O]n-CHm-X3-m
其中n为7-50的整数;Z为C1-C6取代或未取代的烷基,q为0、1或2,并且p为2-q,y为2到4,m为1或2;A为任何可聚合自由基,并且X选自取代或未取代的直链或支链C1-C16烷基。
2.根据权利要求1的装置,其中X选自取代或未取代的直链或支链C1-C12烷基。
3.根据权利要求1的装置,其中所述X或Z定义中的烷基被选自下组的取代基取代:羧酸、酯、酰卤、胺、酰胺、酮、醛、卤化物、硫化物、季铵盐,以及其组合。
4.根据权利要求3的装置,其中所述硫化物为硫醇。
5.根据权利要求1的装置,其中n为7-40的整数。
6.根据权利要求1的装置,其中所述聚合物包括侧基连接于其上的至少20%的主链单元。
7.根据权利要求1的装置,其中所述聚合物包括侧基连接于其上的至少30%的主链单元。
8.根据权利要求1的装置,其中至少20%的所述侧基为式I的聚醚侧基。
9.根据权利要求1的装置,其中至少60%的所述侧基为式I的聚醚侧基。
10.根据权利要求1的装置,其中至少75%的所述侧基为式I的聚醚侧基。
11.根据权利要求1的装置,其中所述侧基另外包括至少一种选自下组的第二侧基:硅酮、碳水化合物、酰胺、磺酸、磺酸酯、胺、羟基、醚、酯、醛、酮、氨基酸、甲基丙烯酸化长链烃、可聚合离子化合物,以及其组合。
12.根据权利要求11的装置,其中所述醚为聚醚,酰胺为内酰胺,碳水化合物为糖。
13.根据权利要求1的装置,其中所述侧基另外包括至少一种选自下组的第二侧基:酰胺、糖基化物质、可聚合离子化合物及其组合。
14.根据权利要求13的装置,其中所述酰胺为内酰胺。
15.根据权利要求1的装置,其中所述侧基另外包括至少一种选自下组的第二侧基:甲基丙烯酸月桂酯、甲基丙烯酸丁酯、甲基丙烯酸异丙酯、甲基丙烯酸甲酯、甲基丙烯酸苯酯、甲基丙烯酸羟乙酯、甲基丙烯酸、单甲基丙烯酸甘油酯、羟乙基甲基丙烯酰胺、甲基丙烯酸2-(4-吗啉基)乙酯、吗啉基甲基丙烯酰胺、甲基丙烯酸2-(N,N-二甲氨基)乙酯、二甲基丙烯酰胺、N-乙烯基吡咯烷酮,N-乙烯基-N-甲基乙酰胺、苯乙烯磺酸酯、2-丙烯酰胺基-2-甲基-1-丙磺酸钠、磺基丙基丙烯酰胺,以及其组合。
16.含有至少一种分子量至少500,000道尔顿的水溶性聚合物的眼用溶液,该水溶性聚合物包括分子量至少300的直链或支链聚醚侧基,其中所述聚醚侧基由式I单体得到:
A-[(CZpHq)y-O]n-CHm-X3-m
其中n为7-50的整数;Z为C1-C6取代或未取代的烷基,q为0、1或2,并且p为2-q,y为2到4,m是1或2,A为任何可聚合自由基,并且X选自取代或未取代的直链或支链C1-16烷基。
17.根据权利要求16的溶液,其中X选自取代或未取代的直链或支链C1-12烷基。
18.根据权利要求16的溶液,其中所述X或Z定义中的烷基被选自下组的取代基取代:羧酸、酯、酰卤、胺、酰胺、酮、醛、卤化物、硫化物、季铵盐,以及其组合。
19.根据权利要求18的溶液,其中所述硫化物为硫醇。
20.根据权利要求16的溶液,其中所述聚合物包括侧基连接于其上的至少20%的主链单元。
21.根据权利要求16的溶液,其中至少20%的所述侧基为式I的聚醚侧基。
22.根据权利要求16的溶液,其中所述侧基另外包括至少一种选自下组的第二侧基:硅酮、碳水化合物、酰胺、磺酸、磺酸酯、胺、羟基、醚、酯、醛、酮、氨基酸、甲基丙烯酸化长链烃、可聚合离子化合物,以及其组合。
23.根据权利要求22的溶液,其中所述醚为聚醚,酰胺为内酰胺,碳水化合物为糖。
24.根据权利要求16的溶液,其中所述侧基另外包括至少一种选自下组的第二侧基:酰胺、糖基化物质、可聚合离子化合物及其组合。
25.根据权利要求24的溶液,其中所述酰胺为内酰胺。
26.根据权利要求16的溶液,其中所述侧基另外包括至少一种选自下组的第二侧基:甲基丙烯酸月桂酯、甲基丙烯酸丁酯、甲基丙烯酸异丙酯、甲基丙烯酸甲酯、甲基丙烯酸苯酯、甲基丙烯酸羟乙酯、甲基丙烯酸、单甲基丙烯酸甘油酯、羟乙基甲基丙烯酰胺、甲基丙烯酸2-(4-吗啉基)乙酯、吗啉基甲基丙烯酰胺、甲基丙烯酸2-(N,N-二甲氨基)乙酯、二甲基丙烯酰胺、N-乙烯基吡咯烷酮、N-乙烯基-N-甲基乙酰胺、苯乙烯磺酸酯、2-丙烯酰胺基-2-甲基-1-丙磺酸钠、磺基丙基丙烯酰胺,以及其组合。
27.根据权利要求16的溶液,其中所述溶液为隐形眼镜包装、储存或清洗溶液。
28.根据权利要求16的溶液,其中所述溶液可直接滴加到眼睛。
29.根据权利要求16的溶液,其中另外包括选自下组的其它组分:渗透调节剂、粘度调节剂、抗菌剂、聚合电解质及其混合物。
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