CN1330669A - 可用于制备具有改进抗湿性能的聚合物的聚氨酯水分散体 - Google Patents
可用于制备具有改进抗湿性能的聚合物的聚氨酯水分散体 Download PDFInfo
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Abstract
本发明涉及一种可用于制备具有抗湿性能的聚氨酯聚合物的聚氨酯分散体。本发明的抗湿聚合物通过使用包括预聚物配方由聚氨酯分散体制备聚合物而得到,其中所述配方包括一种具有包含5-30个碳原子的脂族侧链取代基的脂族单、二或多羟基化合物。
Description
本发明涉及聚氨酯聚合物。本发明特别涉及由聚氨酯水分散体得到的聚氨酯聚合物。
聚氨酯分散体是已知的且可用于得到本身可用于各种场合的聚氨酯聚合物。聚氨酯/脲分散体可用于得到,例如:地毯衬背、用于木材整饰的涂料、玻璃纤维上浆;纺织品、粘合剂、汽车面涂层和底漆、包装膜、手套、和其它应用。聚氨酯分散体可通过各种方法制备,包括例如描述于以下的方法:美国专利4857565、美国专利4742095、美国专利4879322、美国专利3437624、美国专利5037864、美国专利5221710、美国专利4327264、和美国专利4029286。
聚氨酯分散体可按照描述于美国专利申请09/039978所述的方法而得到。按照其中所述方法制成的分散体可用于得到聚氨酯地毯衬背和聚氨酯纺织品衬背。但问题会在出现溢出时产生,其中液体可流到地毯下面的衬背上或被其吸收。溢出的液体如水、尿、饮料、食品、血液、和粪会透过地毯衬背至地毯下面,这是各种清洁方法所不能将其清除的。具有抗湿性的聚合物材料可用于保护性穿着如手套、或包装。
各种常规方法可赋予由聚合物水分散体得到的聚合物以防潮性。例如,可以使用涂布重量增加的分散体,这样可增加聚合物的厚度。另外,加入聚合物水分散体中的蜡可向地毯提供防潮性。提供防潮性的另一已知方法是降低填料在地毯衬背配方中的用量。非可渗透织物或膜可施用到地毯衬背上,例如描述于美国专利5763040。另一方法包括将氟化学品施用到第二衬背的下面且描述于美国专利5348785。氟化学品用于产生水不可渗透性的应用还描述于美国专利4619853和4643930。水不透膜描述于美国专利4336089。各种憎水组合物在第二衬背上的应用描述于美国专利5558916。
在制备聚氨酯聚合物的领域中,需要制备出包括能够赋予聚氨酯聚合物以防潮性的组分的聚氨酯分散体而不会增加制造工艺的复杂性或明显改变聚氨酯聚合物的其它性能。本领域还需要通过一种不会明显降低聚合物、或由其制成的制品的制造成本的方法来制备该聚合物。
一方面,本发明涉及一种包含异氰酸酯封端预聚物的聚氨酯水分散体,所述预聚物由包括多异氰酸酯和多元醇混合物的配方制成,其中所述多元醇混合物包括至少一种具有包含5-30个碳原子的脂族侧链取代基的脂族单、二或多羟基化合物且其中具有脂族侧链取代基的所述脂族单、二或多羟基化合物的存在浓度为聚合物的0.5-10%重量。
另一方面,本发明涉及一种包含聚合物层的抗湿性聚氨酯聚合物,该聚合物层通过将一层包含异氰酸酯封端预聚物的聚氨酯水分散体施用到基材上并固化该分散体而制成,所述预聚物由包括多异氰酸酯和多元醇混合物的配方制成,其中所述多元醇混合物包括至少一种具有包含5-30个碳原子的脂族侧链取代基的脂族单、二或多羟基化合物且其中具有脂族侧链取代基的所述脂族单、二或多羟基化合物的存在浓度为聚合物的0.5-10%重量。
另一方面,本发明涉及一种包括纺织品和粘附在其上的聚合物的抗湿性纺织品,所述聚合物通过将一层包含异氰酸酯封端预聚物的聚氨酯水分散体施用到纺织品上并固化该分散体而制成,所述预聚物由包括多异氰酸酯和多元醇混合物的配方制成,其中所述多元醇混合物包括至少一种具有包含5-30个碳原子的脂族侧链取代基的脂族单、二或多羟基化合物且其中具有脂族侧链取代基的所述脂族单、二或多羟基化合物的存在浓度为聚合物的0.5-10%重量。
本发明的抗湿聚氨酯可用于加垫铺地场合,例如附加垫宽幅、地毯片、地毯衬底、或乙烯基铺地材料;粘合剂场合;涂料;保护性衣物或保护性齿轮如手套和围裙;包装;或抗湿聚合物可以使用的任何场合。
在一个实施方案中,本发明涉及一种可产生具有良好抗湿性的涂层或泡沫材料的聚氨酯水分散体组合物。本发明的聚氨酯分散体包括水、以及:聚氨酯、能够形成聚氨酯的混合物、或两者混合物。本发明的聚氨酯分散体可视需要包括:扩链剂、表面活性剂、填料、分散剂、泡沫稳定剂、增稠剂、阻燃剂、和/或其它的可用于聚氨酯配方的可有可无的物质。
本发明配方的多异氰酸酯组分可使用任何有机多异氰酸酯、改性多异氰酸酯、异氰酸酯基预聚物、及其混合物而制成。这些可包括脂族和环脂族异氰酸酯,但芳族,尤其是多官能芳族异氰酸酯如2,4-和2,6-甲苯二异氰酸酯和相应的异构体混合物;4,4’-、2,4’-和2,2’-二苯基-甲烷二异氰酸酯(MDI)和相应的异构体混合物;4,4’-、2,4’-和2,2’-二苯基甲烷二异氰酸酯和多苯基多亚甲基多异氰酸酯PMDI的混合物;以及PMDI与甲苯二异氰酸酯的混合物是优选的。最优选,用于制备本发明预聚物配方的多异氰酸酯是MDI或PMDI。
本发明的聚氨酯分散体是聚氨酯和/或能形成聚氨酯的物质的水分散体。就本发明而言,聚氨酯分散体可包括其它的聚合物和/或低聚物,包括(但不限于):脲、缩二脲、脲基甲酸酯、和具有可衍生自异氰酸酯与配方中各种含活性氢化合物的反应的官能度的其它化合物。在本发明使用的术语“能形成聚氨酯的物质”是能够形成聚氨酯聚合物的物质。能形成聚氨酯的物质包括,例如聚氨酯预聚物。可用于本发明的预聚物通过含活性氢化合物与反应混合物中存在的超过活性氢官能度的量的异氰酸酯反应而制成。该异氰酸酯官能度的存在量可以是分散体的0.2-40%重量。合适的预聚物的分子量为100-10000。
可用于本发明的预聚物应该在分散条件下基本上为液体。尽管可以向预聚物中加入液体溶剂或稀释剂如挥发性有机化合物(VOC)以得到更流动的预聚物,但本发明优选不使用任何溶剂或稀释剂,因为这些成分的去除需要额外的处理步骤且这些VOC的使用可能带来环境问题。优选地,本发明的聚氨酯分散体在基本上没有有机溶剂的存在下制备。
活性氢化合物是具有包含至少一个直接连接到电负性原子如氮、氧或硫上的氢原子的官能团的化合物。例如,各种活性氢化合物,如胺、醇、聚醚多元醇、聚酯多元醇、和硫醇是制备聚氨酯聚合物领域的熟练技术人员所已知的。适用于本发明的活性氢化合物可以是分子量低于约10000的多元醇。
用于本发明的脂族取代羟基官能化合物可由具有1-30个碳原子的脂族取代基和一个或多个羟基的任何化合物组成。这些化合物的例子包括甘醇如被1-30个碳的羧酸,优选5-22个碳的羧酸,更优选10-15个碳的羧酸部分酯化的甘油、三羟甲基丙烷、或三羟甲基乙烷。这些化合物的例子包括甘油单油酸酯、甘油单山嵛酸酯、甘油单树脂酸酯、甘油单硬脂酸酯、甘油单棕榈酸酯、三羟甲基丙烷单硬脂酸酯、及其混合物。其它种类的化合物包括前述化合物的聚合物变型、以及这些化合物与其它甘醇、二醇、酸或酸酐的共聚物。此外,脂族取代基可通过杂原子如氧或氮连接到该化合物的羟基部分,这些化合物包括N,N-二(羟烷基)烷基胺,一个例子是N-硬脂基二乙醇胺。也可使用支链羟基烷烃如1,2-二羟基十八烷。此外,也可使用基于脱水山梨醇的酯如脱水山梨醇单硬脂酸酯、脱水山梨醇单油酸酯、脱水山梨醇单月桂酸酯、脱水山梨醇单油酸酯、及其混合物。其中,甘油单酯是优选的。
用于本发明的脂族取代羟基官能化合物可以惊人的低浓度使用以制备有效抗湿的聚合物。优选地,脂族取代羟基官能化合物的存在浓度为聚氨酯分散体的聚合物重量的0.5-10%。更优选,脂族取代羟基官能化合物的存在浓度为聚氨酯分散体的聚合物重量的1.0-4.5%,甚至更优选,脂族取代羟基官能化合物的存在浓度为聚氨酯分散体的聚合物重量的1.5-2.5%。
其它种类的聚合物水分散体可与本发明的聚氨酯分散体结合使用。适用于与本发明聚氨酯分散体共混的分散体包括:苯乙烯-丁二烯分散体、苯乙烯-丁二烯-偏二氯乙烯分散体;苯乙烯-丙烯酸烷基酯分散体、或丙烯酸系分散体、类似化合物及其混合物。
本发明视需要包括扩链剂或交联剂。扩链剂在本文中用于通过扩链剂与聚氨酯预聚物中的多异氰酸酯官能度的反应来增加聚氨酯预聚物的分子量,即,聚氨酯预聚物链增长。合适的扩链剂或交联剂通常是每分子具有约2个或更多活性氢基团的低当量含活性氢化合物。扩链剂通常具有2个或更多的活性氢基团,而交联剂具有3个或更多的活性氢基团。活性氢基团可以是羟基、巯基、或氨基。胺扩链剂可以是封端的、包封的或变得活性较低。其它物质,特别是水可用于扩充链长,因此可以是本发明意义上的扩链剂。
多元胺是优选的扩链剂。特别优选的是,扩链剂选自胺封端聚醚,例如来自Huntsman Chemical Company的Jeffamine D-400、氨基乙基哌嗪、2-甲基哌嗪、1,5-二氨基-3-甲基-戊烷、异佛尔酮二胺、乙二胺、二亚乙基三胺、氨基乙基乙醇胺、三亚乙基四胺、三亚乙基五胺、乙醇胺、任何立体异构形式的赖氨酸及其盐、己二胺、肼和哌嗪。在本发明中,扩链剂可用作水溶液。
尽管可有可无,但扩链剂可有利地用于制备本发明的聚氨酯聚合物。一般来说,扩链剂的用量足以与预聚物中存在的0-100%异氰酸酯官能度进行反应,以与1当量扩链剂与一当量异氰酸酯反应为基础计。可以理想地使水用作扩链剂并与其中存在的某些或所有的异氰酸酯官能度反应。催化剂可视需要用于促进扩链剂与异氰酸酯之间的反应。
催化剂在本发明中是可有可无的。适用于本发明的催化剂包括叔胺、和有机金属化合物、类似化合物及其混合物。例如,合适的催化剂包括二正丁基锡二(巯基乙酸异辛基酯)、二月桂酸二甲基锡、二月桂酸二丁基锡、二丁基锡硫化物、辛酸亚锡、辛酸铅、乙酰基丙酮铁、羧酸铋、三亚乙基二胺、N-甲基吗啉、类似化合物及其混合物。催化剂的用量有利地使得可较快速地固化至无粘性状态。如果使用有机金属化合物,这种固化可通过使用0.01-5份/每100份能形成聚氨酯的组合物(重量)而得到。如果使用叔胺,该催化剂优选通过使用0.01-3份叔胺/每100份能形成聚氨酯的组合物(重量)而提供合适固化。胺型催化剂和有机金属催化剂两者可结合使用。
本发明视需要包括填料。填料可包括常规填料如磨制玻璃、碳酸钙、三水合矾土、滑石、膨润土、三氧化锑、高岭土、飞灰、或其它的已知填料。在本发明中,聚氨酯分散体中的合适填料用量可以是100-1000份填料/每100份聚氨酯。优选地,填料的加载量可以是至少约200pph,更优选至少约300pph,最优选至少约400pph。
本发明视需要包括填料润湿剂。填料润湿剂一般可帮助填料和能形成聚氨酯的组合物相互相容。有用的润湿剂包括磷酸盐如六偏磷酸钠。填料润湿剂可包括在本发明的能形成聚氨酯的组合物中,浓度为至少约0.5份/每100份填料(重量)。
本发明视需要包括增稠剂。增稠剂在本发明中可用于增加低粘度聚氨酯分散体的粘度。适用于本发明的增稠剂可以是制备聚氨酯分散体领域已知的任何增稠剂。例如,合适的增稠剂包括ALCOGUMVEP-II*(*ALCOGUM VEP-II是Alco Chemical Corporation的商标名)和PARAGUM 231*(*PARAGUM 231是Para-Chem Southern,Inc.的商标名)。增稠剂可以任何所需量使用以得到所需粘度的分散体。
本发明可包括其它的可有可无组分。例如,本发明能形成聚氨酯的组合物可包括表面活性剂、发泡剂、起沫剂、阻燃剂、颜料、抗静电剂、增强填料、抗氧化剂、酸捕捉剂。合适的发泡剂的例子包括:气体和/或气体混合物,例如空气、二氧化碳、氮气、氩气、氦气;液体,例如水、挥发性卤代烷烃,如各种氯氟甲烷和氯氟乙烷;偶氮发泡剂如偶氮二(甲酰胺)。
起沫剂通常通过机械引入气体而引入液体中以形成泡沫(机械起沫)。聚氨酯聚合物的机械起沫是制备聚氨酯聚合物领域熟练技术人员已知和实践的工艺步骤。在制备起沫聚氨酯泡沫材料时,优选将所有组分混合,然后使用Oakes或Firestone起泡器之类的设备将气体混入该混合物中。在制备用于地毯衬背的泡沫时,无需得到稳定的泡沫。在地毯衬背生产过程中,起沫的泡沫材料通常使用在该过程中破坏泡沫的铺展工具铺展在地毯的背面。
表面活性剂是可有可无的,但在本发明中使用是理想的。可用于本文的表面活性剂可以是阳离子表面活性剂、阴离子表面活性剂、或非离子表面活性剂。阴离子表面活性剂的例子包括磺酸盐、羧酸盐和磷酸盐。阳离子表面活性剂的例子包括季胺。非离子表面活性剂的例子包括包含氧化乙烯的嵌段共聚物和硅氧烷表面活性剂。可用于本发明的表面活性剂可以是外表面活性剂或内表面活性剂。外表面活性剂是在制备分散体过程中不会与聚合物化学反应形成共价键的表面活性剂。内表面活性剂是在制备分散体过程中不会化学反应到聚合物中的表面活性剂。表面活性剂在本发明配方中的含量可以是0.01-20份/每100重量份聚氨酯组分。优选地,本发明的配方包括非内表面活性剂的聚氨酯预聚物。
一般来说,在本发明中可以使用制备聚氨酯分散体领域的熟练技术人员已知的任何方法来制备本发明抗湿聚合物。本发明的抗湿聚合物可由储存稳定的聚氨酯分散体或非储存稳定的聚氨酯分散体而制成。本文所述的储存稳定的聚氨酯分散体是平均粒径低于约5微米的任何聚氨酯分散体。非储存稳定的聚氨酯分散体的平均粒径大于5微米。例如,合适的分散体可通过将聚氨酯预聚物与水混合并使用市售混合器将预聚物分散在水中而制成。另外,合适的分散体可通过将预聚物与水一起加料到静态混合设备中,然后在静态混合器中分散水和预聚物而制成。制备聚氨酯水分散体的连续方法是已知的且可用于本发明。例如,美国专利4857565、4742095、4879322、3437624、5037864、5221710、4237264和4092286都描述了可用于得到聚氨酯分散体的连续方法。此外,具有高内相比率的聚氨酯分散体可通过美国专利5539021所述的连续方法而制成,在此将其作为参考并入本发明。另外,可有利地将制备预聚物的连续方法与连续进料分散体方法结合起来以最大化工艺效率,例如讨论于待审美国专利申请09/039978。
本发明的聚合物可施用到任何基材上,但优选该基材是纺织品。更优选,该基材是地毯且聚合物为抗温衬背的形式。本发明的地毯衬背可由上述的本发明聚氨酯分散体,使用制备聚氨酯衬背地毯领域中的常规或非常规方法而制成。在制备本发明的聚氨酯衬背地毯时,能形成聚氨酯的组合物可作为优选厚度均匀的一层施用到地毯基材的表面上。本发明的聚氨酯分散体可作为预涂层、层压涂层或作为泡沫涂层而施用。聚氨酯预涂层、层压涂层和泡沫涂层可通过本领域已知的方法而制成。由分散体制成的预涂层、层压涂层和泡沫涂层例如描述于P.L.Fitzgerald的“整体胶乳泡沫材料地毯加垫”,J.Coat.Fab.1977,卷7(107-120页)和R.P.Brentin的“用于地毯衬背的胶乳涂布体系”,J.Coat.Fab.1982,卷12(82-91页)。
能形成聚氨酯的组合物可在固化成无粘性状态之前施用到地毯基材的一个表面上。另外,包含完全反应的异氰酸酯官能度的聚氨酯分散体可施用到合适的基材上,这样消除了对固化聚合物的需求。通常,将能形成聚氨酯的组合物施用到与主衬背连接的表面上,但可施用到第二衬背如网孔或羊毛上。该组合物可使用刮刀、气刀或挤出机之类的设备施用,以施用并测定该层。另外,该组合物可在移动带或其它合适的装置上形成一层并脱水和/或部分固化,然后使用双层皮带(也称作双带)层压机之类的设备或施用有泡沫材料垫的移动带结合到地毯基材上。能形成聚氨酯的组合物的用量可以变化较宽,由5至500盎司/平方码,取决于纺织品的特性。在该层施用和测定之后,从分散体中去除水,然后使用来自任何合适来源如红外炉、对流炉、或加热板的热量将该层固化。
在本发明中,用于制备聚氨酯地毯衬背的任何步骤可以连续方式进行。例如,在第一步中,预聚物可由合适的含活性氢化合物以连续方式制成;在该预聚物于第一步中得到时,将其与水加料到混合设备中,得到一种水分散体;该水分散体可以连续方式施用到地毯基材上以得到聚氨酯衬背的地毯。
以下实施例用于说明本发明。该实施例无意于限定本发明的范围且不应如此理解。
实施例1
一种以下称作预聚物A的预聚物制备如下:
将195.7份(0.1957当量)VORANOL 5287*(当量为1000克/当量的12.5%氧化丙烯封端聚氧化丙烯二醇)、93.02份(0.7442当量)ISONATE 250P*(25%2,4’-MDI与75%4,4’-MDI的混合物)、5.28份(0.02966当量)EMEREST 2421*甘油单油酸酯和6.0份(6.316毫当量)分子量为950的聚乙二醇一醇(MPEG)在加热至70℃的情况下在玻璃容器中混合约15小时。所得预聚物的百分NCO为6.88,异氰酸酯当量为610,且在25℃下的粘度为6040厘泊(EMEREST 242是HenkelCorp的商品名;VORANOL 5287和ISONATE 250P是Dow ChemicalCompany的商品名)。
聚氨酯分散体制备如下:
将75.58份预聚物A、9.9份DESULF DBS-25T*(十二烷基苯磺酸的三乙醇胺盐的25%水溶液)、和20.08份水在室温下混合,然后在3000rpm下在玻璃烧瓶中搅拌。将44.4份10%哌嗪水溶液加入该混合物,在3000rpm下继续搅拌1分钟。随后将所得混合物用搅拌棒搅拌过夜,然后滤过一个油漆过滤器,得到低粘度的、55%固体含量的平均粒径为0.24微米的聚氨酯分散体。(*DESULF DBS-25T是DeForestChemical Co.的商品名)
背衬有聚氨酯分散体的地毯制备如下:
将分散体通过混合178.6份分散体(100份固体物质)和200份碳酸钙填料而进行配混。然后,混合3.0份PARAGUM 241*增稠剂。将该配混物以38.5盎司/码2(0.11千克/米2)的涂布重量施用到原重23盎司/码2(0.8千克/米2)的尼龙级圈式地毯的背面上。将聚丙烯布3.3盎司/码2(0.11千克/米2)作为第二衬背而施用。将地毯在132℃下干燥12分钟,然后在测试之前平衡过夜(*PARAGUM 241是Para-ChemSouthern,Inc.的商品名)
地毯测试如下:
实施例1地毯的绒头毛(tulflock)为17.4磅(7.9千克)且再润湿绒头毛为11.2磅(5.1千克)。绒头联结值按照ASTM D1335而得到。实施例1地毯的干脱层值为10.1磅/英寸(1.8千克/厘米)且再润湿脱层值为5.0磅/英寸(0.89千克/厘米)。脱层值是从制造的地毯上去除低二聚丙烯布所需的强度。它这样测定:切割3英寸×9英寸(7.6厘米×22.9厘米)的地毯条,然后从地毯的主要部分剥离第二布,同时测试所需的力。再润湿脱层值以相同方式测定,只是地毯试样在水中浸渍1分钟,然后在测试之前吸干。该地毯的手穿孔值为17.7磅(8.0千克)。手穿孔值测定为以12.0英寸(30.5厘米)/分钟的速率,使用连接到负载单元上的2.25英寸(5.7厘米)外径固体圆柱体,将9英寸×9英寸(22.9厘米×22.9厘米)地毯片推到5.5英寸(14厘米)内径圆柱体中0.5英寸所需的力。地毯经过一个称作英国溢出试验的耐水性试验,其中将亚甲基蓝染料在水中的100毫升溶液由1米高度倒向12×12英寸(30.5厘米×30.5厘米)地毯片上并放置24小时。用剃刀刻划该样品以显露出内部。如果没有发现蓝色染料渗透或透过衬背,就给出合格等级。
实施例2
按照实施例1制备出预聚物和分散体。使用实施例1的工艺步骤来配混分散体,只是使用100份碳酸钙、100份Gamma Sperse CS-11*、和0.6份PARAGUM 241来配混该分散体。将配混物以37.1盎司/码2(12.6千克/米2)的涂布重量施用到地毯的背面上,然后所得地毯得到以下的测试结果:
手穿孔(磅) 13.8(6.3千克)
绒头毛(磅) 19.8(9.0千克)
再润湿绒头毛(磅) 13.3(6.0千克)
英国溢出试验 合格
(*Gamma Sperse CS-11是一种已用硬脂酸胺处理以提高憎水性能的碳酸钙,且为Georgia Marble Co.的商品名)
对比例3
预聚物B制备如下:
将190.85份(0.1908当量)VORANOL 5287、99.25份(0.794当量)ISONATE 250P*(25%2,4’-MDI与75%4,4’-MDI的混合物)、3.9份(0.07358当量)二甘醇和6.0份(6.316毫当量)分子量为950的聚乙二醇一醇(MPEG)在加热至70℃的情况下在玻璃容器中混合约15小时。所得预聚物的百分NCO为7.3,异氰酸酯当量为约575,且在25℃下的粘度为7000厘泊(*ISONATE 250P是Dow Chemical Company的商品名)。
聚氨酯分散体制备如下:
将75.5份预聚物B、9.9份的十二烷基苯磺酸的三乙醇胺盐的25%水溶液、和19.3份水在室温下混合并在3000rpm下在玻璃烧瓶中搅拌。将45.3份10%哌嗪水溶液加入该混合物,在3000rpm下继续搅拌1分钟。随后将所得混合物用搅拌棒搅拌过夜,然后滤过一个油漆过滤器,得到低粘度的、55%固体含量的平均粒径为0.3微米的聚氨酯分散体。
背衬有聚氨酯分散体的地毯制备如下:
将分散体通过混合178.6份分散体(100份固体物质)和200份碳酸钙填料而进行配混。然后,混合4.1份PARAGUM 241。将该配混物以38.5盎司/码2(0.11千克/米2)的涂布重量施用到原重23盎司/码2(0.8千克/米2)的尼龙级圈式地毯的背面上。将聚丙烯布3.3盎司/码2(0.11千克/米2)作为第二衬背而施用。将地毯在132℃下干燥12分钟,然后在测试之前平衡过夜。
地毯测试如下:
实施例3地毯基本上进行与实施例1地毯相同的测试。其绒头毛为18.5磅(8.4千克)且再润湿绒头毛为8.9磅(4.0千克)。对比例3的地毯的干脱层值为10.1磅/英寸(1.8千克/厘米)且再润湿脱层值为5.0磅/英寸(0.89千克/厘米)。对比例3地毯的手穿孔值测定为以14.7英磅(6.7千克)。该地毯没有通过英国溢出试验。对比例4按照对比例3制备出预聚物和分散体。使用对比例3的工艺步骤来配混分散体,只是使用100份碳酸钙、100份GAMMA SPERSE CS-11、和0.98份PARAGUM 241来配混该分散体。将配混物以38.5盎司/码2(1.3千克/米2)的涂布重量施用到地毯的背面上,然后所得地毯得到以下的测试结果:手穿孔(磅) 11.8(5.4千克)绒头毛(磅) 18.9(8.6千克)再润湿绒头毛(磅) 12.4(5.6千克)英国溢出试验 不通过
Claims (10)
1.一种包含异氰酸酯封端预聚物的聚氨酯水分散体,所述预聚物由包括多异氰酸酯和多元醇混合物的配方制成,其中所述多元醇混合物包括至少一种具有包含5-30个碳原子的脂族侧链取代基的脂族单、二或多羟基化合物,且其中具有脂族侧链取代基的所述脂族单、二或多羟基化合物的存在浓度为聚合物的0.5-10%重量。
2.根据权利要求1的聚氨酯水分散体,其中所述多异氰酸酯是MDI。
3.根据权利要求1的聚氨酯水分散体,其中具有包含5-30个碳原子的脂族侧链取代基的脂族单、二或多羟基化合物是甘油单酯。
4.根据权利要求1的聚氨酯水分散体,其中所述分散体使用外表面活性剂制备。
5.根据权利要求1的聚氨酯水分散体,其中所述多元醇混合物包括聚醚多元醇。
6.根据权利要求1的聚氨酯水分散体,其中所述分散体在基本上没有有机溶剂的情况下制备。
7.根据权利要求1的聚氨酯水分散体,其中所述分散体与填料配混。
8.根据权利要求1的聚氨酯水分散体,其中所述填料是碳酸钙。
9.权利要求1的聚氨酯水分散体在制备抗湿纺织品中的应用。
10.根据权利要求9的应用,其中所述纺织品是地毯。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11270298P | 1998-12-18 | 1998-12-18 | |
US60/112,702 | 1998-12-18 |
Publications (1)
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CN1330669A true CN1330669A (zh) | 2002-01-09 |
Family
ID=22345407
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CN99814518.1A Pending CN1330669A (zh) | 1998-12-18 | 1999-12-03 | 可用于制备具有改进抗湿性能的聚合物的聚氨酯水分散体 |
Country Status (14)
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US (2) | US6524978B1 (zh) |
EP (1) | EP1141067B1 (zh) |
JP (1) | JP4463992B2 (zh) |
CN (1) | CN1330669A (zh) |
AR (1) | AR024238A1 (zh) |
AU (1) | AU2476400A (zh) |
BR (1) | BR9917064A (zh) |
CA (1) | CA2353987A1 (zh) |
CO (1) | CO5111045A1 (zh) |
DE (1) | DE69933048T2 (zh) |
ES (1) | ES2270635T3 (zh) |
ID (1) | ID28969A (zh) |
MY (1) | MY128332A (zh) |
WO (1) | WO2000037525A1 (zh) |
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- 1999-12-03 DE DE69933048T patent/DE69933048T2/de not_active Expired - Lifetime
- 1999-12-03 AU AU24764/00A patent/AU2476400A/en not_active Abandoned
- 1999-12-03 ES ES99968076T patent/ES2270635T3/es not_active Expired - Lifetime
- 1999-12-03 CN CN99814518.1A patent/CN1330669A/zh active Pending
- 1999-12-03 JP JP2000589592A patent/JP4463992B2/ja not_active Expired - Fee Related
- 1999-12-03 BR BR9917064-7A patent/BR9917064A/pt not_active Application Discontinuation
- 1999-12-03 US US09/453,700 patent/US6524978B1/en not_active Expired - Lifetime
- 1999-12-03 WO PCT/US1999/028804 patent/WO2000037525A1/en active IP Right Grant
- 1999-12-03 EP EP99968076A patent/EP1141067B1/en not_active Expired - Lifetime
- 1999-12-16 CO CO99078833A patent/CO5111045A1/es unknown
- 1999-12-17 AR ARP990106538A patent/AR024238A1/es unknown
- 1999-12-17 MY MYPI99005551A patent/MY128332A/en unknown
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2002
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1331908C (zh) * | 2003-06-03 | 2007-08-15 | 拜尔公司 | 改性聚氨酯 |
CN101248101B (zh) * | 2005-08-23 | 2011-11-30 | 阿克佐诺贝尔国际涂料股份有限公司 | 聚氨酯分散剂树脂 |
CN101443374B (zh) * | 2006-05-18 | 2011-11-09 | 陶氏环球技术有限责任公司 | 得自环己烷二甲醇的聚氨酯-脲聚合物 |
CN105377935A (zh) * | 2013-03-29 | 2016-03-02 | 得凯莫斯公司弗罗里达有限公司 | 非氟化氨基甲酸酯基涂层 |
CN105377935B (zh) * | 2013-03-29 | 2018-08-31 | 得凯莫斯公司弗罗里达有限公司 | 非氟化氨基甲酸酯基涂层 |
CN106661177A (zh) * | 2014-06-12 | 2017-05-10 | 科慕埃弗西有限公司 | 用于表面效果组合物的蜡和基于氨基甲酸酯的增充剂共混物 |
CN106661177B (zh) * | 2014-06-12 | 2020-04-21 | 科慕埃弗西有限公司 | 用于表面效果组合物的蜡和基于氨基甲酸酯的增充剂共混物 |
CN107278221A (zh) * | 2014-09-26 | 2017-10-20 | 科慕埃弗西有限公司 | 基于非氟化氨基甲酸酯的涂料 |
TWI681946B (zh) * | 2014-09-26 | 2020-01-11 | 美商科慕Fc有限責任公司 | 非氟化胺甲酸酯系塗層 |
CN107278221B (zh) * | 2014-09-26 | 2021-03-12 | 科慕埃弗西有限公司 | 基于非氟化氨基甲酸酯的涂料 |
CN110358018A (zh) * | 2019-06-24 | 2019-10-22 | 湖北大学 | 一种耐水型梳形含氟水性聚氨酯及其制备方法和应用 |
WO2021031174A1 (en) * | 2019-08-22 | 2021-02-25 | Dow Global Technologies Llc | Polyether based waterborne polyurethane dispersion and method for preparing the same |
Also Published As
Publication number | Publication date |
---|---|
CO5111045A1 (es) | 2001-12-26 |
BR9917064A (pt) | 2001-09-25 |
EP1141067A1 (en) | 2001-10-10 |
EP1141067B1 (en) | 2006-08-30 |
DE69933048T2 (de) | 2006-12-28 |
DE69933048D1 (de) | 2006-10-12 |
JP4463992B2 (ja) | 2010-05-19 |
ES2270635T3 (es) | 2007-04-01 |
WO2000037525A1 (en) | 2000-06-29 |
US6864312B2 (en) | 2005-03-08 |
CA2353987A1 (en) | 2000-06-29 |
AU2476400A (en) | 2000-07-12 |
ID28969A (id) | 2001-07-19 |
MY128332A (en) | 2007-01-31 |
AR024238A1 (es) | 2002-09-25 |
US20030087567A1 (en) | 2003-05-08 |
JP2002533490A (ja) | 2002-10-08 |
US6524978B1 (en) | 2003-02-25 |
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