CN105940047A - 包含香木颗粒的缓冲泡沫 - Google Patents
包含香木颗粒的缓冲泡沫 Download PDFInfo
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- CN105940047A CN105940047A CN201380081182.3A CN201380081182A CN105940047A CN 105940047 A CN105940047 A CN 105940047A CN 201380081182 A CN201380081182 A CN 201380081182A CN 105940047 A CN105940047 A CN 105940047A
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Abstract
用于制备和使用一种或多种多孔泡沫层的方法和组合,该多孔泡沫层包含弹性多孔泡沫和具有芳香性质的木颗粒,其中所述多孔泡沫层可以位于缓冲泡沫和床垫之上或之下或位于其中,或位于其它成层基材之上或之下或之内或之间。包含香木颗粒的泡沫可以用于床垫、枕头、寝具用品、医用缓冲泡沫、宠物床、户外寝具衬垫、户外枕头和其它缓冲产品。
Description
技术领域
本发明涉及用于制备和使用一种或多种泡沫层的方法,该泡沫层包含弹性多孔泡沫和具有芳香性质的木颗粒,并且所述层位于床垫、寝具和缓冲产品之上或之下或位于其中。本发明更特别地涉及各种各样的包含具有芳香性质的木颗粒的泡沫,其包括但不必限于床垫、枕头、床垫衬面衬垫、绗缝衬面、医用床垫、宠物床、户外寝具衬垫、户外枕头和其它缓冲产品。
背景技术
雪松刨片在宠物床中用作害虫驱避剂或气味驱避剂。已经测试了雪松油,并且证明其在驱避昆虫和降低动物气味方面是有效的,所述昆虫例如为跳蚤、虱子、蚊子、黑蝇。EPA描述了柏木油的用途,其作为天然驱避剂/饲养抑制剂和杀菌剂用于房屋和宠物及其寝具,以驱避跳蚤、飞蛾和霉菌。柏木包括各种各样的种类,其包括但不必限于西班牙香椿(Spanish Cedar)、东部杉(Eastern Cedar)、杜松和弗吉尼亚桧(Aromatic Red Cedar)。柏木油或雪松油广泛地在肥皂、空气清新剂、家用洗涤剂和化妆品中用作香料。
US 5,320,006公开了具有白柏(White Cedar)油处理的填充材料的宠物床垫或宠物床。该填充材料包含雪松刨片。白柏刨片与包含白柏油的橄榄油或矿物油混合。
US 4,226,944公开了放出香料的制品以及制备这种制品的方法,所述制品包含聚氨酯泡沫,该泡沫含有颗粒状填料和芳香材料。该方法包括预混合颗粒状填料和香料,和在液体多元醇中分散该预混合物,和使用该预混合物制备聚氨酯泡沫,该聚氨酯泡沫具有通过解吸附和扩散可控的香料释放速率。优选的颗粒为处理或未处理的粘土、研磨的石灰石、沉淀的碳酸钙、氧化铝、硅酸铝、重晶石、硅酸钙、二氧化硅、氧化锆、二氧化钛、肥皂和固体形式的合成洗涤剂。包含颗粒状填料和芳香材料的聚氨酯泡沫适合用作香丸、衣服香包、房间空气清新剂等。
US 4,618,629公开了聚氨酯泡沫,其具有负载香料的热塑性或热固性颗粒状树脂,其在该聚氨酯泡沫的形成期间掺入。该香料释放较长时间。与香料和形成泡沫的配制剂都相容的优选的颗粒为丙烯酸树脂,例如聚甲基丙烯酸甲酯、聚丙烯酸乙酯、聚丙烯酸羟乙酯以及它们的共聚物。
在缓冲垫或床垫中开发具有香木颗粒的舒适性改善的层是有用的和期望的。
发明概述
以非限制的形式提供一种具有香木颗粒的弹性多孔泡沫(下文称为“AW泡沫”)的制备方法,所述泡沫包括弹性聚氨酯泡沫和/或聚酯聚氨酯泡沫,其实质上可以为开孔或部分开孔的,并且多数分散在其中的木颗粒具有芳香性质。其它性能修饰添加剂可以任选地引入该泡沫。该AW泡沫可以包含约0.1重量%独立地至约50重量%的香木颗粒。任选地,该弹性多孔泡沫可以为合成的或天然的胶乳泡沫或三聚氰胺泡沫。
以非限制的形式还提供一种通过用提取的精油预处理木颗粒来增加AW泡沫的芳香味的方法。任选地,芳香味被添加进增塑或非增塑的三嵌段共聚物聚合物中并且用于控制释放精油的香味。
该AW泡沫可以被切割或成型为多种结构,例如但不限于:平面层、卷曲层、表面修饰层、3D表面纹理化、成型枕头、光滑成型表面、具有规则或不规则图案的成型表面、或以任何方式修饰以产生期望的物理结构,例如但不限于打孔、凿沟、网状化、或泡沫领域已知的改进泡沫结构的其它方法。该AW泡沫可以使用粘附剂或在泡沫表面上熔融热塑性塑料并且使该热塑性塑料再固化和使该泡沫锁合在基材泡沫的适当位置上,而粘附在缓冲垫或床垫复合材料上。
以非限制实施方案的形式还提供一种合适的成层基材的组合,包括但不必限于弹性聚氨酯泡沫、胶乳泡沫、弹性三聚氰胺泡沫、和其它具有一种或多种AW泡沫的基材(例如以纺织或无纺形式的纤维)。这些组合生产的制品包括但不必限于床垫、床垫衬面、枕头、寝具用品、宠物床、绗缝床垫衬面、枕头或床垫***物、波纹状支撑泡沫、户外寝具衬垫、户外寝具枕头或其它缓冲产品。
附图说明
图1为多元醇和AW颗粒共混体系的实施例;
图2为使用实施本文所述AW泡沫的缓冲垫和/或床垫应用的结构的第一实施例;
图3为使用实施本文所述AW泡沫的缓冲垫和/或床垫应用的结构的第二实施例;
图4为使用实施本文所述AW泡沫的缓冲垫和/或床垫应用的结构的第三实施例;
图5为使用实施本文所述AW泡沫的缓冲垫和/或床垫应用的结构的第四实施例;
图6为使用实施本文所述AW泡沫的缓冲垫和/或床垫应用的结构的第五实施例;
图7为使用实施本文所述AW泡沫的缓冲垫和/或床垫应用的结构的第六实施例;
图8为使用实施本文所述AW泡沫的缓冲垫和/或床垫应用的结构的第七实施例;
图9为使用实施本文所述AW泡沫的缓冲垫和/或床垫应用的结构的第八实施例;
图10为使用实施本文所述AW泡沫的缓冲垫和/或床垫应用的结构的第九实施例;
图11显示了在缓冲垫和/或床垫应用中横向床垫区域的示例性断裂;
图12显示了在缓冲垫和/或床垫应用中纵向床垫区域的示例性断裂;
图13为其中整个结构成型自AW泡沫的成型枕头产品的实施例;
图14为其中AW泡沫是枕头中的区域或层的成型枕头产品的实施例;
图15为开孔弹性聚氨酯泡沫中的香木颗粒的照片;和
图16为用添加的10wt%雪松粉末制备的粘弹性聚氨酯泡沫的特写照片。
应了解到图1-14为示意图,且各种要素并不必须是按标度或比例的,并且很多细节为了清楚而被去除和简化,因此方法和组合物并不必须限制为图中所描述的实施方案。
在该方法和组合物被详细解释之前,应理解这些方法和组合物并不将其应用局限于本说明书提出的或附图所示的结构细节和组件布置。而且应理解本文中使用的措辞和术语仅是为了说明目的并且不应认为限制。
发明详述
通过掺入一种或多种包含弹性多孔泡沫和香木颗粒的AW泡沫层,来开发在缓冲垫或床垫中具有香木颗粒的改善的舒适性层是有用的,并且所述一种或多种AW泡沫层用于床垫、枕头、寝具用品、医用缓冲泡沫、户外寝具衬垫、宠物床、户外枕头和其它缓冲产品之上或之下或位于其中。
弹性多孔泡沫可包括但不限于:开孔聚氨酯泡沫、部分开孔聚氨酯泡沫、开孔聚酯聚氨酯泡沫、部分开孔聚酯聚氨酯泡沫、胶乳泡沫、三聚氰胺泡沫和它们的组合。
AW泡沫包含开孔或部分开孔弹性聚氨酯或聚酯泡沫,其具有一种或多种随机分散在泡沫中的香木材料(例如以颗粒形式)。或者,该木材料颗粒可以均一地分散在泡沫中。
该AW泡沫在泡沫中含有约0.1wt%独立地至约50wt%的木材料,以重量计。或者,该AW泡沫在泡沫中含有约1wt%独立地至约40wt%的木材料,以重量计,和在另一个非限制性实施方案中,在泡沫中含有约2wt%独立地至约30wt%的木材料,以重量计,和在不同的非限制性版本中,在泡沫中含有约2wt%独立地至约25wt%的木材料,以重量计。本文中与各种范围相关联使用的术语“独立地”指的是任何低的阈值可以与任何高的比值组合以形成合适的代替范围。
香木粒子或颗粒可以包括但不必限于:相思树、非洲桃花心木、檀香树、扁桃树、檀香木、芦荟、苹果树、杏树、水曲柳、香油脂、香液脂、没药属树、刺槐、红木、西班牙硬木、枸杞、黄杨木、荆棘、野蔷薇、金雀花、非洲红木、灰胡桃、轴独蕊、指甲花、加那利木、角豆树、肉桂、蓖麻、梓木、雪松、黑毒漆木(Chechen)、樱桃树、栗树、桂皮、黄檀木、染料木(Colorwood)、柏树、南达科他州节木、戴蒙德木、东部红杉(Eastern Red Cedar)、黑檀木、榆树、桉树、无花果树、冷杉树、乳香、白松香、细纹木、美洲香槐、格林贝、树胶、榛树、石南、霍尔姆、牛膝草、红柳桉树、孪叶苏木、杜松、国王木、寇阿相思树、美国梧桐、槐树、莲花、锦葵、枫树、牧豆树、可乐豆木、桑树、芥末、没药树、桃金娘、橡树、油、夹竹桃、橄榄树、桑橙树、短叶紫杉、紫檀木、棕榈树、纸莎草、加索尔阿马里洛(Pau Amarillo)、黄檀木、柿木、象牙树(Pick Ivory)、松树、阿月浑子树、悬铃(Plane)、石榴树、杨树、紫心苏木、红果桑木、红橡木、玫瑰、花梨木、番泻树、香料、Shittim、安息香、桑树、大枫树、柽柳、菩提树、松脂木、带刺小灌木、Thyine、郁金香木、葡萄树、胡桃木、鸡翅木、白橡木、柳树、苦艾(Wormword)、斑木树和它们的组合的木颗粒。预期由所有这些木材制成的木颗粒在某种程度上本质上是芳香的。
合适的香木颗粒可以包括但不必限于西班牙香椿、东部红杉、杜松、弗吉尼亚桧、白柏、桉树、柏树、西部红柏(Western Red Cedar)和它们的组合的木颗粒。
该香木颗粒可以包括但不必限于刨片、薄片、粉末、球形、碎片或其它各种颗粒形式。香木材料的合适的尺寸可以为约0.1微米独立地至约3000微米,或者为约1微米独立地至2000微米,和在另一个非限制性实施方案中,为约10微米独立地至约1000微米。
可以通过很多不同的尺寸减少和粉碎技术来获得该香木颗粒。尺寸减少方法的非限制性列表包括:颚式破碎机、回转破碎机、辊式破碎机、冲击式破碎机、碾盘式破碎机、滚磨机、非旋转球磨机、与研磨机一起使用的粒度分级器、锤磨机、环辊式磨机、盘形碾磨机、气流粉碎机、切割碎机、锯机、磨削盘、高速固体撞击例如喷砂,以及它们的组合。
在非限制性实施方案中,香木颗粒可以通过风力分级、静态筛、旋转筛、离心筛、振动筛、回转筛、旋风分离器和它们的组合来确定尺寸。或者,该颗粒可以基于湿分级技术来确定尺寸,例如锥形分级器、液体旋流器、水力分离器、转鼓式离心机、反流分级机、喷射筛选器、超级分类机和它们的组合。
在非限制性实施方案中,香木颗粒可以在确定大小至合适或所要求的颗粒尺寸之前或之后进行干燥。该香木颗粒的湿含量可以为木料中水的0.1独立地至50wt%。本发明的一个优选的实施方案是使用窑中烘干的木料,其具有木料中6-20wt%的水。此外该香木可以通过包括以下的非限制性列表进行干燥:真空盘架式干燥器、旋转干燥器、真空旋转干燥器、涡轮盘式干燥器、膛式炉、直接热盘式干燥器、振动输送机干燥器、流化床干燥器、旋风分离器干燥器、和它们的组合。如果该AW颗粒没有干燥,那么湿含量可以通过重量法通过在约110℃下使用加热烘箱并且测量重量损失来确定。一旦重量损失被确定,那么在聚氨酯泡沫配方中的加水量可以被校准以控制最终泡沫的密度。
该AW泡沫也可以包含有用量的常规使用的添加剂(“性质增强添加剂”),例如增塑三嵌段共聚物凝胶,稳定剂,抗氧剂,抗静电剂,抗菌剂,紫外稳定剂,相变材料,表面张力改性剂例如有机硅表面活性剂,乳化剂和/或其它表面活性剂,固体阻燃剂,液体阻燃剂,接枝多元醇,完全饱和的或在一个或多个位点是不饱和的相容含羟基化学物质,固体或液体填料,防结块剂,着色剂例如无机颜料,炭黑,有机着色剂或染料,反应性有机着色剂或染料,热敏着色剂,热敏颜料,热敏染料,pH敏感着色剂,pH敏感颜料,pH敏感染料,香料,粘度改性剂例如气相二氧化硅和粘土,增传导增热添加剂例如铝和石墨,和它们的组合,和微小量的其它聚合物等,在一定程度上不影响或基本上不降低该AW泡沫所期望的性质。
芳香精油和香料可以包括但不必限于:琼脂油、香旱芹油、当归根油、茴香油、阿魏油、香脂油、罗勒油、月桂油、香柠檬油、黑胡椒、桦树、樟脑、***花、蒿子油、小豆蔻籽油、胡萝卜籽油、柏木油、甘菊油、菖蒲根、肉桂油、香茅油、香紫苏、丁香叶油、咖啡、胡荽、艾菊油、木香根、蔓越莓籽油、荜澄茄、枯茗油/黑籽油、柏树油、干膜莎草、咖喱叶、印蒿油、莳萝油、土木香、桉叶油、茴香籽油、胡卢巴油、冷杉、乳香油、高良姜、枫子香、香叶油、姜油、秋麒麟草、葡萄柚油、散沫花油、蜡菊、山核桃油、山葵油、牛膝草、爱达荷艾菊、茉莉油、杜松子油、月桂、薰衣草油、杜香、柠檬油、柠檬草油、白柠檬油、山苍子油、柑橘、马郁兰、白千层、蜂花油、薄荷原油、薄荷油、山香薄荷、芥子油、没药油、桃金娘、印度楝树油、橙花油、肉豆蔻、橙油、牛至油、鸢尾草油、玉檀香(Palo Santo)、欧芹油、广藿香油、紫苏、胡椒薄荷油、橙叶、松树油、罗文莎叶、红柏油、罗马甘菊、玫瑰油、玫瑰果油、迷迭香油、红木油、鼠尾草油、八角茴香油、檀香油、黄樟油、欧洲薄荷油、五味子油、留兰香油、甘松、云杉、八角茴香油、橘子、龙蒿油、茶树油、百里香油、铁杉、姜黄、缬草、香根草油、西部红柏油、冬青油、蓍草油、依兰油、片姜黄和它们的组合。
合适的芳香精油和香料可以包括但不必限于:柏木油、香茅油、柏树油、桉叶油、杜松子油、薰衣草油、柠檬油、柠檬草油、白柠檬油、薄荷油、胡椒薄荷油、松树油、红柏油、西部红柏油、冬青油和它们的组合。
基于添加合适量的一种或多种香木种类、一种或多种精油或它们的组合,AW泡沫具有天然的昆虫驱除性质以驱除昆虫。或者,木颗粒本质上没有芳香气味,但是通过添加一种或多种精油来获得芳香味。
在非限制性实施方案中,香木颗粒的香味强度可以通过在制备弹性多孔泡沫之前浸渍、喷雾、滴落和至少部分涂覆该木颗粒的其它方法来进行增强。可替代地或者除了涂覆该香木颗粒之外,该香木颗粒可吸收或吸附一种或多种芳香精油和/或香料。可以通过升高温度、提高压力、制造真空、使用溶剂和它们的组合来帮助精油渗透进木颗粒中。合适的溶剂包括但不必限于丙酮、己烷、甲苯、二甲苯、甲酸甲酯、乙酸甲酯和其它沸点少于300°F的溶剂。
三嵌段共聚物也可以用于增强或改变芳香特性而不必对木颗粒进行处理。精油可以与增塑剂共混并且与三嵌段共聚物树脂混合以提供芳香凝胶状三嵌段共聚物。任选地,精油和三嵌段共聚物可以组合而不用任何增塑剂。
三嵌段共聚物包括但不必限于(SB)n苯乙烯-丁二烯,(SEB)n,(SIS)苯乙烯-异戊二烯-苯乙烯嵌段共聚物,(SEBS)苯乙烯-乙烯-丁二烯-苯乙烯嵌段共聚物,(SEP)苯乙烯-乙烯-丙烯嵌段共聚物,(SEEPS)苯乙烯-乙烯-乙烯-丙烯-苯乙烯嵌段共聚物,(SBS)苯乙烯-丁二烯-苯乙烯嵌段共聚物等。此处和别处的“n”指的是重复聚合物单元的数量。使用的三嵌段共聚物可以具有更加通用的结构A-B-A。A组分代表聚苯乙烯的结晶聚合物末端嵌段链段;和B组分代表弹性聚合物中心嵌段链段。这些“A”和“B”标记仅是为了反映常规的嵌段链段标记。
适合于增塑三嵌段共聚物树脂的增塑剂是本领域已知的。它们包括但不必限于橡胶加工用油,例如链烷烃和环烷烃石油,高度精制的不合芳烃的链烷烃和环烷烃食品级和工业级白石油矿物油,合成油和天然油以及天然油制备的多元醇和天然多元醇。合成油包括但不必限于高粘度低聚物,例如非烯烃、异链烷烃、链烷烃、芳基和/或烷基磷酸酯,芳基和/或烷基亚磷酸酯,多元醇和二醇。
制备具有西部红柏气味的凝胶状三嵌段共聚物的一种方法为以99∶1的比例混合增塑剂与西部红柏精油。该混合物加热至约180°F并且与Kraton G1651线性三嵌段共聚物混合以提供具有注入凝胶中的西部红柏油的凝胶颗粒。然后该凝胶颗粒被添加至木颗粒中以得到缓慢释放香料的共混物,其包含在弹性多孔泡沫中。
AW泡沫可以通过包括如下的方法制备:间歇或连续浇注在成形体、模具中或在泡沫胶块(bun)生产线上,并且在一个非限制的实施方案中,该AW材料可以在间歇或连续方法中在混合***中掺入或混合入多元醇混合物中,该混合***例如连续搅拌罐,静态混合元件,空气混合机,或任何其它的本领域中已知用于混合固体和添加剂与液体的设备。
添加AW颗粒42至相容载体44的一个非限制性实施方案为通过在混合罐50中将AW颗粒42添加进相容载体中,如图1所示。通常的混合罐50可以具有用于控制罐内温度的加热/冷却套52。载体添加进混合罐中,然后AW颗粒42在搅拌下混合进载体中。在混合的同时,该AW颗粒42逐渐地或一次性添加进该罐中。或者,该AW颗粒42可首先添加进混合罐中,然后该相容载体在混合下添加进该罐中。添加AW颗粒至相容载体的另一个非限制性实施方案为通过使用螺旋钻将AW颗粒传输进混合室中,其中在添加制备聚氨酯泡沫所要求的其它化学物质之前,该AW颗粒和相容载体进行混合。或者,直接在主混合头中实施混合,或者可以在分开的混合头中进行混合,然后该AW颗粒和相容载体混合物与其它配方组分进料至主混合头中。另一个非限制性的方法可以使用螺旋钻来一起混合该AW颗粒和相容载体,同时螺旋输送至主混合头中。应了解本文描述的方法并不必限于这些实施例,还有很多可能的组合用于在将AW颗粒掺入最终聚氨酯泡沫之前组合AW颗粒和相容载体。
该AW泡沫可以浇注在传送带上的标准泡沫胶块成形体中,浇注在具有采用2D或3D修饰纹理化的平面或非平面表面的模具中,或浇注在具有杆的模具中,以制备多孔的泡沫。
在一个非限制的实施方案中,一种或多种AW泡沫可添加在用于制备模塑产品的模具的内腔的任何位置中或在表面内或上,所述模塑产品例如但不必限于枕头、床垫、床垫衬面、宠物床、座椅缓冲垫,和各自的基材组分添加至模具中以与该AW泡沫反应、结合或封装该AW泡沫。
应了解本文所描述的方法并不必限于这些实施例,还有很多可能的组合用于采用开孔或部分开孔聚氨酯泡沫或聚酯泡沫制备AW泡沫,其可以用于缓冲垫泡沫或床垫。关于制备包括凝胶泡沫的泡沫以及这样制备的泡沫和凝胶泡沫组合物的进一步细节,参见美国专利公开号和(分别为美国系列号13/932,492和13/932,535),其全部内容在此引入作为参考。
AW泡沫的应用
可以生产AW泡沫并且与基材泡沫组合用于各种各样寝具应用,包括但不必限于床垫、枕头、枕头衬面、床垫衬面、绗缝衬面、支撑体泡沫、宠物床、户外寝具衬垫、户外枕头或其它缓冲材料。
AW泡沫可以在制品例如宠物床中用作单一组件,其中该缓冲组件仅包含AW泡沫。在一个非限制实施方案中,在织物覆盖物之内包含AW泡沫并且用作宠物床。
成层基材组合一种或多种AW泡沫和任选的本文描述的性质增强材料可以用于非常广泛的应用。合适的成层基材包括但不限于弹性聚氨酯泡沫、弹性聚酯聚氨酯泡沫、胶乳泡沫、弹性三聚氰胺泡沫和其它基材(例如纺织或无纺形式的纤维),和它们的组合。更特别地,在其它非限制性实施方案中,AW泡沫和基材的组合将适用作枕头或枕头组件,包括但不限于枕头套或壳,枕头芯,枕头衬面,用于制备医用舒适衬垫,医用床垫和相似舒适和支撑产品,和家居/消费者床垫,床垫衬面,宠物床,户外寝具衬垫,户外枕头和相似舒适和支撑产品,其通常用常规弹性聚氨酯泡沫或纤维制备。所有这些用途和应用在此定义为“寝具用品”或缓冲产品。
图2为使用缓冲垫和/或床垫应用的结构的第一实施例。该部分的基体为底泡沫层3。在其上为2英寸(5cm)标准开孔粘弹性(visco)层2。顶层1为2英寸(5cm)的AW泡沫层。应了解实施例和各种附图说明给出的尺寸仅仅是描述性的,并且不应理解为是限制。在附图中,相同或相似附图标记用于相同或相似的结构。
图3为使用缓冲垫和/或床垫应用的结构的第二实施例。该部分的基体为底泡沫层3。在其上为2英寸(5cm)的AW泡沫层1,接着2英寸(5cm)标准开孔粘弹性泡沫层2。
图4为使用缓冲垫和/或床垫应用的结构的第三实施例。该部分的基体为底泡沫层3。在其上为2英寸(5cm)的AW泡沫层1,接着为0.75英寸(1.9cm)的底泡沫层3。顶层为第二2英寸(5cm)的AW泡沫层1。
图5为使用缓冲垫和/或床垫应用的结构的第四实施例。该部分的基体为底泡沫层3。在其上为2英寸(5cm)的AW泡沫层1,接着为2英寸(5cm)标准开孔粘弹性泡沫层2。顶层为第二2英寸(5cm)的AW泡沫层1。
图6为使用缓冲垫和/或床垫应用的结构的第五实施例。该部分的基体为底泡沫层3。在其上为3英寸的AW泡沫层1。
图7为使用缓冲垫和/或床垫应用的结构的第六实施例。该部分的基体为底泡沫层3。在其上为3英寸(7.6cm)的AW泡沫层1。两层之间的界面4是非平面的卷绕,其可以通过卷绕界面层的一个或两个表面来制备。
图8为使用缓冲垫和/或床垫应用的结构的第七实施例。该部分的基体为底泡沫层3。在其上为2英寸(5cm)的AW泡沫层1。两层之间的界面4是非平面的卷绕,其可以通过卷绕一个或两个界面层的表面来制备。该实施例的顶层为2英寸(5cm)标准开孔粘弹性泡沫层2。
图9为使用缓冲垫和/或床垫应用的结构的第八实施例。该部分的基体为底泡沫层3。在其上为2英寸(5cm)开孔粘弹性泡沫标准层2。在其上为2英寸(5cm)的AW泡沫层1。两层之间的界面4是非平面的卷绕,其可以通过卷绕一个或两个界面层的表面来制备。
图10为使用缓冲垫和/或床垫应用的结构的第九实施例。该部分的基体为底泡沫层3。在其上为2英寸(5cm)的AW泡沫层1。在其上为另一个2英寸(5cm)的AW泡沫层1。两层之间的界面4是非平面的卷绕,其可以通过卷绕界面层的一个或两个表面来制备。
图11为在床垫110中横向床垫区域或部分的示例性断裂。这些区域包括:下部主体区域或部分112,躯干/“腹带”区域或部分114,以及头部和肩部区域或部分116。这些区域或部分可以或可以不包含AW泡沫、示例性结构、其它床垫层结构、或其任何变形。此外,显示的区域是非限制的,但用作实例以显示在缓冲垫和/或床垫的特定区域中使用增强的散热层的可能性。
图12为在床垫120中纵向床垫区域122和124的示例性断裂。这些区域包括左部分122和右部分124。这些区域或部分122和124可以或可以不包含AW泡沫、示例性结构、其它床垫层结构、或其任何变形。此外,显示的区域是非限制的,但用作实例以显示在缓冲垫和/或床垫的特定区域中使用增强的散热层的可能性。
图13和图14描述了成型枕头***。图13为用AW泡沫1整个成型的枕头130。图14显示了使用AW泡沫1作为整个枕头结构2内的区域的枕头140。
本发明将更详细地描述特定的配方、方法和组合物,以进一步说明本发明,但是这些实施例并不试图以任何方式对本发明的方法和组合物进行限制。
实施例1-对照泡沫
由Peterson Chemical Technology得到两组分体系。PCT-L4930B体系由“B”侧和“A”侧组成,“B”侧包含多元醇、表面活性剂、发泡和凝胶催化剂以及水,“A”侧(PCT-M142A)由异氰酸酯化合物组成。在32oz(0.95L)混合杯中,添加103.0份的PCT-L4930B“B”侧。该组分混合大约45秒,之后添加45.11份PCT-M142A“A”侧组分,混合额外的10秒并且倒入9”×9”(23cm×23cm)的蛋糕盒中,并且使其升高和在室温环境下固化。制备了弹性聚氨酯泡沫,其为对照泡沫,在表1中标记为实施例1。测量物理性质,例如密度、IFD和空气流动。
实施例2
由Peterson Chemical Technology得到两组分体系。该PCT-L6163B体系由“B”侧和“A”侧组成,“B”侧包含多元醇、表面活性剂、发泡和凝胶催化剂以及水,“A”侧(PCT-M142A)由异氰酸酯化合物组成。在32oz(0.95L)混合杯中,添加如下组分:102.9份的PCT-L6163B“B”侧和8.5份的具有少于1000微米的颗粒尺寸的弗吉尼亚桧颗粒。该颗粒通过下述来获得:在台锯上进行横切,收集台锯切屑,并且通过1000微米筛子筛分。该组分混合大约45秒,之后添加44.06份PCT-M142A“A”侧组分,混合额外的10秒并且倒入9”×9”(23cm×23cm)的蛋糕盒中,并且使其升高和在室温环境下固化。制备了弹性聚氨酯泡沫,其在表1中标记为实施例2。测量物理性质,例如密度、IFD和空气流动。
实施例3
由Peterson Chemical Technology得到两组分体系。该PCT-L6153B体系由“B”侧和“A”侧组成,“B”侧包含多元醇、表面活性剂、发泡和凝胶催化剂以及水,“A”侧(PCT-M142A)由异氰酸酯化合物组成。在32oz(0.95L)混合杯中,添加如下组分:102.9份的PCT-L6153B“B”侧、8.5份的具有少于1000微米的颗粒尺寸的弗吉尼亚桧颗粒和0.03份柏木精油。该颗粒通过下述来获得:在台锯上进行横切,收集台锯切屑,并且通过1000微米筛子筛分。在添加至“B”侧混合物之前,该颗粒用柏木精油浸渍。该组分混合大约45秒,之后添加44.06份PCT-M142A“A”侧组分,混合额外的10秒并且倒入9”×9”(23cm×23cm)的蛋糕盒中,并且使其升高和在室温环境下固化。制备了弹性聚氨酯泡沫,其在表1中标记为实施例3。测量物理性质,例如密度、IFD和空气流动。
结果讨论
表1显示了根据实施例1、2和3的程序制备的泡沫的配方和测试结果。图15为在实施例2的开孔弹性聚氨酯泡沫中的香木颗粒的照片。图16为添加10wt%雪松粉末制备的粘弹性聚氨酯泡沫的特写照片,显示香木颗粒在标尺附近的尺寸。
表1对照(实施例1)和AW泡沫实施例2和3的配方和性质的比较
1pph=每百份的份数
2空气流动:ASTM D 3574 G
325%IFD:ASTM D 3574 B
在不脱离由附权利要求定义的范围的情况下,本发明的方法和实施可以进行很多变形。例如,除了本文明确提到的那些之外,多元醇,异氰酸酯,催化剂,木颗粒,香木颗粒,芳香精油和香料,和其它添加剂和加工压力和条件的各种组合是预期有用的。
权利要求中使用的词语“包含”和“含有”应理解为“包括但不限于”。本发明可以适当的包含公开的要素,由公开的要素组成或基本上由公开的要素组成,并且本发明可以在不存在未公开要素的情况下实现。在非限制性的实例中,可提供基本上由弹性多孔泡沫和分散在弹性多孔泡沫中的香木材料颗粒组成的AW泡沫,或由弹性多孔泡沫和分散在弹性多孔泡沫中的香木材料颗粒组成。
或者,含有香木的胶乳泡沫基本上由或者由交联的胶乳泡沫和分散在该交联的胶乳泡沫中的香木材料颗粒组成。也可提供含有香木的三聚氰胺泡沫,其基本上由或者由交联的三聚氰胺泡沫和分散在该交联的三聚氰胺泡沫中的香木材料颗粒组成。
Claims (24)
1.一种香木泡沫(AW泡沫),其包含:
弹性多孔泡沫,和
分散在该弹性多孔泡沫中的香木颗粒。
2.权利要求1的AW泡沫,其中该香木颗粒本质上是芳香的。
3.权利要求1的AW泡沫,其中该香木颗粒含有至少一种精油或香料,其中该香木颗粒通过选自下述组的方法来制备:用一种或多种精油或香料来浸渍、涂覆、渗透和它们的组合。
4.权利要求1的AW泡沫,其具有芳香味,其中在寝具或缓冲泡沫中的木颗粒的芳香味具有有效驱避昆虫的性质。
5.权利要求1的AW泡沫,其中该香木颗粒包括选自下述组的木颗粒:西班牙香椿、东部红杉、杜松、弗吉尼亚桧、白柏、桉树、柏树、西部红柏、和它们的组合。
6.权利要求1的AW泡沫,其中该弹性多孔泡沫通过包括使多元醇和多异氰酸酯聚合的方法制备。
7.权利要求1的AW泡沫,其中该AW泡沫通过包括下述的方法制备:
将香木颗粒(AW颗粒)引入包含多元醇和异氰酸酯的弹性多孔泡沫形成组分的混合物中;和
将多元醇和异氰酸酯进行聚合以形成该弹性多孔泡沫。
8.生产包含权利要求1的AW泡沫的制品,其中该生产的制品选自下述的组:医用缓冲泡沫,床垫,枕头,寝具用品,床垫枕头衬面,绗缝床垫衬面,床垫衬面,宠物床,室内缓冲泡沫,户外缓冲泡沫,户外寝具衬垫,户外枕头和它们的组合。
9.权利要求1的AW泡沫,其中该弹性多孔泡沫选自下述的组:开孔聚氨酯泡沫、部分开孔聚氨酯泡沫、开孔聚酯聚氨酯泡沫、部分开孔聚酯聚氨酯泡沫和它们的组合。
10.权利要求3的AW泡沫,其中该精油或香料选自下述的组:柏木油、香茅油、柏树油、桉叶油、杜松子油、薰衣草油、柠檬油、柠檬草油、白柠檬油、薄荷油、胡椒薄荷油、松树油、红柏油、西部红柏油、冬青油和它们的组合。
11.权利要求1的AW泡沫,其中该AW颗粒具有选自下述组的形式:刨片、碎片、薄片、粉末、球形和它们的组合。
12.权利要求1的AW泡沫,其中该AW颗粒具有少于3000微米的平均粒度。
13.权利要求1的AW泡沫,其中该AW颗粒在AW泡沫中的存在量为0.1-50wt%。
14.权利要求1的AW泡沫,其中该AW泡沫包括选自下述组的结构:固体片,多孔片,非平面片,平面片,纹理化片和它们的组合。
15.权利要求1的AW泡沫,其中该AW泡沫被粘附至成层基材上。
16.包含包括权利要求1的AW泡沫的层的缓冲泡沫。
17.包含至少一个包括权利要求1的AW泡沫的层的床垫。
18.包含至少一个包括权利要求1的AW泡沫的层的床垫衬面衬垫。
19.包含至少一个包括权利要求1的AW泡沫的层的宠物床。
20.包含权利要求1的AW泡沫的枕头。
21.一种生产的制品,其选自下述的组:缓冲泡沫,床垫,床垫衬面衬垫和它们的组合,其中该生产的制品包含选自下述组的至少一个区域:纵向区域,横向区域和它们的组合,其中该至少一个区域包含权利要求1的AW泡沫。
22.一种生产的制品,其选自下述的组:医用缓冲泡沫,床垫,枕头,寝具用品,床垫枕头衬面,绗缝床垫衬面,床垫衬面,宠物床,室内缓冲泡沫,户外缓冲泡沫,户外寝具衬垫,户外枕头和它们的组合,其中该生产的制品进一步包含至少一个含有权利要求1的AW泡沫的层。
23.一种香木(AW)胶乳泡沫,其包含:
交联的胶乳泡沫;和
分散在该交联的胶乳泡沫中的香木颗粒。
24.一种香木(AW)三聚氰胺泡沫,包含:
交联的三聚氰胺泡沫;和
分散在该交联的三聚氰胺泡沫中的香木颗粒。
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PCT/US2013/071721 WO2015076847A1 (en) | 2013-11-25 | 2013-11-25 | Cushioning foams containing aromatic wood particles |
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