CN113646363A - 在宽的聚合物加工温度范围内有效的着色剂和添加剂浓缩物载体体系 - Google Patents
在宽的聚合物加工温度范围内有效的着色剂和添加剂浓缩物载体体系 Download PDFInfo
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- CN113646363A CN113646363A CN202080021178.8A CN202080021178A CN113646363A CN 113646363 A CN113646363 A CN 113646363A CN 202080021178 A CN202080021178 A CN 202080021178A CN 113646363 A CN113646363 A CN 113646363A
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- concentrate
- carrier system
- polycaprolactone
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Abstract
描述了一种用于在宽的加工温度范围内将着色剂和/或其他添加剂添加到树脂配制剂中的浓缩物载体体系。载体体系包括至少20重量%的基础丙烯酸酯共聚物,例如乙基‑甲基丙烯酸酯,其与少于30重量%的聚己内酯或类似的开环环酯或醚衍生物组合提供。剩余部分专用于可以包括着色剂、性能增强剂和/或非功能性填料的复合添加剂,该剩余部分可包括任选的有机增塑剂,例如环氧化大豆油。
Description
相关申请的交叉引用
本申请要求2019年3月15日提交的美国专利申请序列号16/354,986的优先权并通过引用将其并入本文,该美国专利申请具有与上述相同的标题和发明人。
技术领域
本发明涉及用于将着色剂和其他添加剂引入到具有宽的加工温度范围的各种热塑性和/或热固性树脂(从工程聚合物到普通的低熔点聚合物)中的方法以及非液体组合物。
背景技术
热塑性和热固性树脂体系广泛用于制造品中。根据目标用途,这些体系需要满足某些结构和/或美学要求。因此,存在各种着色剂和复合添加剂和浓缩物,使制造商能够根据他们的特定需求定制树脂体系。
一个挑战是这些着色剂和复合添加剂必须与基础树脂固有的加工温度相适应。在这方面,工业或“工程”树脂体系通常需要超过200℃的加工温度。这样的工程塑料的实例包括苯乙烯丙烯腈(SAN)、高抗冲聚苯乙烯(PS)、丙烯腈-丁二烯-苯乙烯(ABS)、聚对苯二甲酸丁二醇酯(PBT)、聚对苯二甲酸乙二醇酯(PET)、聚甲醛(POM)、聚碳酸酯(PC)、热塑性聚醚(TPE)、热塑性聚氨酯(TPU)、各种聚酰胺和其他已知体系。这些树脂的每一种的单独熔融温度在本领域中是已知的并且在本文中具体公开。这些体系相对高的加工温度要求浓缩物在这些温度下不降解或以其他方式发生相分离和外覆。
相反,基于成本、设备、易用性、可得性和/或其他要求,可以优选较低熔点的聚合物组合物。这些材料通常可以在95℃至175℃的温度下进行加工,并且它们包含多种组成,包括(但不限于)聚乙烯(PE),例如可用过氧化物或湿气交联的聚乙烯(XLPE)和其他高度取代的聚烯烃,和内酯,例如聚己内酯。值得注意的是,这些低温体系可以包括热塑性和热固性材料,并且如上所述,它们的熔融温度在本文中被特别考虑和公开。
为了成为有效的着色剂或添加剂浓缩物,该浓缩物的载体树脂必须在基础聚合物(即工程树脂和低熔点树脂)的所需组分的最低限以下液化,但在整个所需的温度范围内其他方面仍保持活性(即不降解)。因此,已经提出了许多以液体形式提供的用于颜料和其他添加剂的“通用”载体体系。
虽然这些液体可以成为高温和低温树脂中着色剂和添加剂的有效载体体系,但液体的使用对配方设计师来说是一个挑战。首先,通常很难在主要是固体树脂颗粒的组分共混物中引入、均匀分散并保留液体。这种液体载体的实例可以在美国专利4,167,503和5,308,395以及中国公开CN102504599A中找到。
已经提出了其他解决方案。美国专利3,846,360描述了一种用于在250℃至400℃范围内熔融的树脂的颜料载体,而在美国专利6,713,545中提出了用于230℃以上温度的苯乙烯-丁二烯-苯乙烯(SBS)嵌段共聚物的载体。
相反,美国专利4,810,733公开了一种基于聚丙烯和聚丙烯或聚乙烯蜡的色母料。在美国专利公开2002/0198122和2004/0214927以及美国专利7,935,747中还可以找到其他载体和浓缩物体系。日本公开JPH5202234和JPH11106573,以及专利合作条约公开WO2007/138120和WO2011/014528也值得注意。
作为其他的背景技术,美国专利2,916,481;3,837,773;3,786,018和5,589545中描述了可以与“通用”浓缩物(即,可用于高温和低温树脂/配制剂的固体浓缩物/载体)结合的树脂体系、设备和相关/相应的技术。此外,美国专利公开2008/0317990和2016/0017144;专利合作条约公开WO2002/018487、WO2009/002653和WO2014/050580;日本公开JP2000248074;和中国公开CN101831099都值得关注。从这些公开中可以看出,电线和电缆的涂层特别令人感兴趣,因为法规和标准对这些聚合物涂层的厚度、组成和物理特性提出了非常具体的条件。
发明内容
描述了着色剂和/或其他添加剂的载体平台。载体包括与开环环酯或醚衍生物组合使用的基础丙烯酸酯共聚物。在一些实施方案中,提供了任选的有机增塑剂,它与可包括着色剂、性能增强剂和非功能性填料的复合添加剂的组合。所得的浓缩物用作固体通用浓缩物,适用于添加到低熔点和高熔点树脂体系中。
在第一实施方案中,提供了用于热塑性或热固性树脂配制剂中的固体浓缩物载体体系。浓缩物载体体系包括以下任意组合:
·占浓缩物的至少20重量%的丙烯酸酯共聚物;
·聚己内酯组分,其包含以下中的至少一种:聚己内酯、聚羟基烷酸酯、聚乙交酯、聚丙交酯,以及任选地具有一个或多个作为其侧基的官能团的任何前述物质,所述聚己内酯组分占浓缩物的小于30重量%;
·占浓缩物的0.5至30重量%的增塑剂;
·包含浓缩物的剩余部分的复合添加剂,所述复合添加剂包括选自以下的至少一种:着色剂、性能增强剂和非功能性填料;
·其中所述浓缩物在环境温度下保持固体形式并且复合添加剂在90℃或更低至至少200℃的加工温度范围内,在低熔点树脂体系和工程树脂体系中保持可行;
·其中丙烯酸酯聚合物包括乙基-甲基丙烯酸酯共聚物(ethyl-methyl acrylatecopolymer);
·其中丙烯酸酯共聚物少于浓缩物的50重量%;
·其中增塑剂主要由环氧化大豆油组成;
·其中复合添加剂是浓缩物的至少50重量%;
·其中复合添加剂是浓缩物的至少75重量%;
·其中仅提供聚己内酯且所述聚己内酯为总浓缩物的5重量%或更少;
·其中仅提供聚己内酯;
·其中聚己内酯衍生物选自:聚羟基烷酸酯、聚乙交酯、聚丙交酯以及内酯与一种或多种附加单体的共聚物;
·其中聚己内酯衍生物包括以下任一种:(i)官能化己内酯的聚合物,己内酯的聚合物,(ii)具有在环结构内含有2至6个碳的环结构的官能化内酯的聚合物,(iii)具有在环结构内含有2至6个碳的环结构的内酯的聚合物,(iv)具有在环结构内含有2至6个碳的环结构的官能化内酯与至少一种总共具有2至20个碳的支链和/或直链的脂肪族单体的共聚物,所述单体进一步包含任选的羧基和/或羟基官能团,和(v)具有在环结构内含有2至6个碳的环结构的内酯与至少一种总共具有1至20个碳的支链和/或直链的脂肪族单体的共聚物,所述单体进一步含有任选的羧基和/或羟基官能团;
·其中,当存在时,官能化己内酯和/或官能化内酯包括至少一种选自以下的官能团:羧基、羟基、甲基、丁基、丙基和异丙基;
·其中至少一种单体为选自甲基、丁基、丙基和异丙基结构中的一种或多种;
·其中复合添加剂包括选自以下中的至少一种:有机和无机颜料、染料、氧化铝、云母、珠光效果添加剂、激光标记物和茂金属聚乙烯;
·其中复合添加剂包括选自以下中的至少一种:硬脂酸锌、脂肪酸钙、工艺改性剂、脱模剂、杀生物剂、紫外线稳定剂、热稳定剂、抗氧化剂、自由基清除剂、酸清除剂、抗静电填料和导电填料;和
·其中复合添加剂包括选自以下中的至少一种:碳酸钙、粘土、二氧化硅、滑石粉、稻壳灰和灰分。
在另一个实施方案中,用于加工温度范围为90℃或更低至至少200℃的树脂配制剂中的固体浓缩物载体体系基本上由以下物质的任意组合组成:
·17.0至45.0重量%的乙基-甲基丙烯酸酯共聚物;
·3.0至5.0重量%的选自以下中的至少一种:聚己内酯、聚羟基烷酸酯、聚乙交酯、聚丙交酯以及任选地具有一个或多个作为其侧基的官能团的任何前述物质;
·0.0至20.0重量%的增塑剂;
·复合添加剂,由2.0至30.0重量%(相对于浓缩物载体体系)的着色剂、0.8至18.5重量%(相对于浓缩物载体体系)的性能增强剂和0.0至41.0重量%(相对于浓缩物载体体系)的非功能性填料组成;
·其中增塑剂以0.5至20.0重量%提供;
·其中增塑剂基本上由环氧化大豆油组成;
·其中性能增强剂由选自以下的至少一种组成:工艺改性剂、紫外线稳定剂和抗氧化剂;
·其中工艺改性剂是硬脂酸锌和/或脂肪酸钙;
·其中非功能性填料以27.2至41.0重量%提供;
·其中非功能性填料基本上由碳酸钙组成;
·其中复合添加剂仅包括着色剂和性能增强剂;和
·其中性能增强剂以等于或小于1.3重量%提供。
具体参考了所附权利要求和下面的说明书,所有这些都公开了本发明的要素。虽然指明了特定实施方案,但是应当理解,来自一个所述方面的要素可以与来自另外指明的方面的要素组合。以相同的方式,本领域普通技术人员将会具有对通用的工艺、组分和方法的必要理解,并且本说明书旨在涵盖和公开这样的通用方面,即使它们在本文中未明确指明。
附图说明
图1是根据本发明一个方面的预混物的丙烯酸酯和开环组分的差示扫描量热(DSC)图。
图2是本发明一个方面的热重分析(TGA)热谱图。
具体实施方式
可以详细参考本发明的示例性的实施方案,其中一些在本文中被图示、示例和/或描述。在不脱离预期范围的情况下,可以利用实施本发明的其他实施方案和手段,包括本领域技术人员已知的各种结构、组成和/或功能的改变。因此,以下描述仅通过说明的方式呈现并且不应以任何方式限制这些替代和修改。
如本文所用,词语“实施例”和“示例性”表示实例或例举,但不一定指示关键或优选方面或实施方案。除非上下文另有说明,否则词语“或”旨在包含而非排除。例如,短语“A使用B或C”包括任何包含性排列(例如,A使用B;A使用C;或A使用B和C)。另一方面,冠词“一”(a和an)通常意指“一个或多个”,除非上下文另有说明。
如上所述,需要一种固体组合物,该组合物可用作制成浓缩物或母料型组合物的平台,其可在低熔点热塑性配制剂中具有同等效力并与工程树脂体系组合使用。制造商会欢迎可以满足他们所有需求的浓缩物体系。如本文所用的,术语着色剂或添加剂浓缩物是指固化树脂基的载体体系,由以下公开的预混物(其可包括任选的液体增塑剂)形成,随后作为固体引入任何用量的低温或高温树脂配制剂中。
为此,制成了丙烯酸酯共聚物和开环的聚合环酯或聚合醚的预混物。一般而言,丙烯酸酯占预混物的20至90重量%,而开环组分以低于预混物的30重量%或在其他实施方案中以0.1至20重量%提供。剩余部分包括着色剂和复合添加剂,以及任选的增塑剂,增塑剂当存在时可以构成预混物的0.5至35重量%。
已经发现在由乙烯丙烯酸丁酯、丙烯酸乙酯和丙烯酸甲酯共聚物制成的丙烯酸酯中特别有用。可以使用这些丙烯酸酯的任何组合(或单一一种),尽管在某些方面乙基-甲基丙烯酸酯(EMA)共聚物是优选的。可以使用其他丙烯酸酯共聚物,只要所得组分可提供相对高的温度稳定性(与预混物的其他组分相比)。优选地,该丙烯酸酯组分(或总体而言,组分的组合)包含总预混物的至少20重量%、至少30重量%、至少40重量%、至少50重量%、至少60重量%、至少70重量%或至少80重量%。相反,这些组分应不多于总预混物的90重量%、不多于80重量%、不多于70重量%、不多于60重量%、不多于50重量%、不多于40重量%,或不多于30重量%。附加的限制和参数包含在所附的实施例中,所有这些都构成本书面公开的一部分。
类似地,优选聚己内酯和基于聚己内酯环结构的组分作为开环组分。聚己内酯是特别有效的,因为它具有宽的汉森相互作用半径、广泛的可得性和相对低的成本(与其他开环聚合酯和聚合醚相比)。还考虑了聚己内酯和其他环醚的某些取代的或官能化的衍生物。虽然需要适量的开环组分(即,预混物的至少0.1重量%),但不应超过30重量%。在进一步的实施方案以及以下指明的实施例中,考虑聚己内酯(或其他开环组分)的最大量为1重量%、5重量%、10重量%、15、20和25重量%。值得注意的是,任何这些所述区间也可以作为可接受范围的最小端点。
虽然聚己内酯预计会具有特定的效用,但可能用某些聚己内酯的衍生物替代或提升其使用。如上所述,这些衍生物可具有沿己内酯环(或环醚环)引入的某些官能团。三、四、五和六元环结构因其可得性和成本而可以是优选的。衍生物的一些实例可包括:聚羟基烷酸酯、聚乙交酯、聚丙交酯以及内酯与一种或多种附加单体的共聚物;
因此,如本文所用的,“聚己内酯衍生物”可包括官能化己内酯的聚合物、某些内酯和一种或多种单体的共聚物、和/或那些内酯的聚合物。特别地,感兴趣的内酯包括含有2、3、4、5或6个碳的环结构,官能团可能附加到这些碳中的一个或多个上。在某些实施方案中,内酯环没有添加官能团。当使用时,这些衍生物的单体选自支链和/或直链脂肪族结构,该脂肪族结构在结构内具有1至20之间的任何整数个碳原子。这些基础单体可包括任意数量的羧基或羟基官能团,以及甲基、丁基、乙基和异丙基结构(具有或不具有羧基和/或羟基官能团)。单体的官能团也可以作为聚己内酯和/或内酯环结构的优选官能团。
在一些方面,向预混物中提供增塑剂以润湿聚合物表面,从而降低所需的加工温度。例如,可以以预混物的0.5至35重量%的量添加环氧化大豆油(ESO),还公开了1.0重量%、5重量%、10重量%、15重量%、20重量%、25重量%和30重量%的额外最低或最高水平。值得注意的是,虽然ESO和其他增塑剂在制造浓缩物载体体系的预混物期间引入时可以是液体,但最终的浓缩物载体本身将是固体。
使用时,可将ESO直接混合到预混物或复合添加剂共混物中。在一些实施方案中,将预混物和复合添加剂组合,尽管在形成浓缩物之前可以使用分流工艺来分别熔融聚合物和复合添加剂。在这种情况下,应理解增塑剂与预混物的加工有关,并且待赋予使用浓缩物的最终配制剂的任何所需特性应当被适当地认为是在复合添加剂本身中的性能增强剂的一部分。然而,配方设计师还可以选择在由本发明的载体体系实现的低熔点或高熔点的树脂配制剂中使用增塑剂,包括ESO。
也就是说,复合添加剂形成了本发明的一个重要方面,因为丙烯酸酯基和开环组分仅用作基础树脂载体。因此,在制成稳定的固体产品的限制下,希望优化和最大化复合添加剂相对于基础树脂载体的重量百分比。在一些实施方案中,复合添加剂组分占比至少0.1重量%,更优选在45重量%至55重量%之间,预混物质量的其余部分构成基础树脂载体(和增塑剂,如果使用增塑剂的话)。在一些实施方案中,复合添加剂接近总预混物的80重量%。此外,复合添加剂可以是预混物总质量的5重量%、10重量%、15重量%、20重量%、25重量%、30重量%、35重量%、40重量%、50重量%、65重量%、70重量%和75重量%。
复合添加剂本身可包括以下一项、两项或全部三项:着色剂、性能增强剂和非功能性填料。每一种都是本领域技术人员熟悉的,并且可以理解,复合添加剂中使用的物质必须彼此相容,而不降低浓缩物的最终预期目的(作为着色剂或添加剂载体,以及保持固体形式以便在低温和高温树脂配制剂中普遍使用)。预计着色剂在本发明的某些方面具有特定的效用,并且本公开内容明确考虑了以下实施方案:其中着色剂是复合添加剂的唯一目的,或者其中预混物针对着色剂进行了优化,使得着色剂是复合添加剂中的主要成分,复合添加剂中仅含有少量工艺改性剂和/或抗氧化剂(小于复合添加剂质量的10重量%,更优选地,小于5重量%)。
一般而言,着色剂可以是有机和无机颜料、染料、氧化铝、云母、珠光效果添加剂、激光标记物和/或茂金属聚乙烯的任意组合。就本文引用的任何出版物中引用或指明的这些组分而言,这些出版物的这些部分通过引用并入本文以进一步充实本公开。此外,下面指明了具体实施例,但这些实施例不应被视为必然限制本公开。
性能增强剂赋予最终的热塑性配制剂特定的特性(而不是预混物或浓缩物载体体系本身)。因此,就性能增强剂包含在任何要求保护或公开的实施方案的复合添加剂中而言,那些性能被赋予浓缩物所引入其中的配制剂。令人关注的特性通常包括工艺改性剂和脱模剂,以及杀生物剂、紫外线和光稳定剂、热稳定剂、抗氧化剂、自由基清除剂、酸清除剂和抗静电或导电填料。这些性能增强剂的组合可以包含在根据本发明的一些方面的任何给定的浓缩物配制剂中。与着色剂一样,下面提供了某些非限制性实例。
最后,可以在复合添加剂中使用非功能性填料。这些填料不是为了改变外观或者以其它方式赋予浓缩物/最终树脂特定性能。因此,与着色剂和性能增强剂不同,这些非功能性填料旨在促进浓缩物载体体系本身的配制。适用于本发明的非功能性填料的实例包括碳酸钙、粘土、二氧化硅、滑石粉、稻壳灰和某些其他非反应性类型的灰。依赖这样的非功能性填料的原因可能与控制成本、改善载体体系的制造/加工和/或确保浓缩物是足够固态有关。
在本发明的一方面,复合添加剂包括少量茂金属聚乙烯以促进复合添加剂本身的某些方面的加工(在这种情况下,茂金属可视为非功能性填料)。复合添加剂的组分在双螺杆挤出机中预混,然后在下游与预混聚合物/增塑剂共混物重新合并。在另一个实施方案中,复合添加剂与预混聚合物和增塑剂进行干混合,然后在熔体中凝结以形成浓缩物。
复合添加剂本身可以完全与着色剂一致。在其他方面,着色剂按重量百分比占复合添加剂的大部分(即,至少50重量%)。可以将性能增强剂和/或非功能性填料添加到着色剂中。在一些情况下,非功能性填料可构成组合物的大部分。性能增强剂通常不多于复合添加剂的50重量%。在优选的实施方案中,着色剂占复合添加剂的至少2.5重量%、至少25.0重量%和至多95.8重量%。当提供时,非功能性填料可以占组合物的50.0至60.0重量%。性能增强剂可占复合添加剂的2.0重量%至25.0重量%。
在另一方面,预混聚合物、增塑剂和复合添加剂将在双辊磨机、混料机、单螺杆挤出机或双螺杆挤出机或法雷尔连续混合机上进行合并。也可以使用这些混合方法的组合。混合后,将混合物然后通过模具或喷头进行造粒,或作为带状进行切块。
在这方面,本发明包括制备载体体系的方法以及用于该体系的配制剂。如上所述,本发明的其它方面涉及载体体系与低熔体或高熔体加工树脂组合的后续使用。
如上所述,以这种方式形成的浓缩物(包括复合添加剂)与现有的所谓“通用”或多功能浓缩物相比具有优势。特别地,本发明的浓缩物可以加入低温树脂中,例如水份固化的XLPE,同时也适用于高温工程树脂,特别是PC、ABS和/或尼龙6。
美国专利7,442742描述了一种依赖于茂金属聚合物的母料组合物,而美国专利9,969,881和目前共同未决的继续申请(于2018年4月13日提交为美国序列号15/952,926,现在公布为美国专利公开2018/0258237)描述了用于制备这样的组合物的分流工艺。这些公开的某些方面,包括配制剂和制造方法,可以进一步充实本发明的一些方面。因此,这些文件通过引用整体并入本文。
最后,一系列的公开描述了当与本发明的某些方面结合使用时可能特别有用的聚合物共混物。这些文件包括:美国专利3,459,834;3,524,906;4,320,212;4,404,248;和4,908,397,以及德国公开DE3518538和DE3662527以及专利合作条约公开WO 2008/001684。
在实践中,使用本发明的浓缩物可以在依赖相同的浓缩物平台的同时,在组合不同的树脂体系的情况下(即加工温度相差至少20℃、至少50℃和高达至少100℃的那些)实现两个注射制造工艺。此外,由于其在较大的加工温度范围内具有适应性,降低了浓缩物(包括所需的复合添加剂)降解或损失的风险。
本文描述和要求保护的浓缩物载体体系的一个重要方面是其在宽的温度范围内保持有效和可行的能力。反过来,这意味着可以将浓缩物纳入到低温或高温工艺中,而不必担心浓缩物降解或无法按预期运行。浓缩物的可行性可以通过氧化诱导时间和/或熔体分离测试以及热重分析的已知标准(例如ASTM E1131、E2105等)来验证。通常,浓缩物需要保持其完整性并避免在使用过程中形成碳或产生分离。最终的配制剂表现出结块、斑点和/或其他类似特征表明浓缩物载体体系未能按照预期/需要在配制剂中熔融。
在其他方面,复合添加剂内的组分的比例以及基础树脂(即丙烯酸酯和聚己内酯)与整个复合添加剂的相对比例是重要的。因此,在某些实施方案中,本文公开的所有重量百分比可以进一步组合以形成比例。在确定这样的比例时,可忽略引入预混物中的增塑剂的量。以同样的方式,考虑了增塑剂、基础树脂和复合添加剂的相对比例并且在这些公开的方面内。
实施例
表1显示了根据本发明某些方面的预混物和复合添加剂的三个示例性配制剂。除增塑剂外指明的所有成分均选择为固体形式,而不是液体或气体形式。
表1浓缩物配制剂所有数值都表示为总预混物的重量百分比
1a:1.0%的C.I.颜料红(48:2)、8.76%的C.I.颜料蓝(15:1)、0.66%的C.I.颜料黑(7,70nm)和2.0%的C.I.颜料白(6)的组合
1b:0.4%硬脂酸锌和0.4%脂肪酸钙
2a:C.I.颜料黑(7)
3a:C.I.颜料白(6)
2b和3b:Irganox 1010
将样品1手动混合,然后在二辊轧机上熔融复合,前辊温度设置为205℉,后辊温度设置为130℉。在以下聚合物树脂中,样品1在所有测试量(最多5phr)下均显示出提供均匀的颜色:刚性和柔性聚氯乙烯、XLPE、聚(偏二氟乙烯)、高密度聚乙烯、聚丙烯、聚甲醛、ABS、通用和高冲击PS、PC、尼龙6和TPE。
作为对照实验,使用苯乙烯和乙烯/丙烯的线性二嵌段共聚物制成了基于美国专利6,713,545的教导的可比较的浓缩物。这种材料在较低温度下保持橡胶状,在280℉以下极难复合。它不能与XLPE复合,并在尝试将其与PVC复合时发生外覆。
乙烯-丙烯酸甲酯共聚物(商品名Elvaloy AC1820)和聚己内酯的差示扫描量热法(DSC)如图1所示,其表明该材料的熔融温度为92℃(198℉)。使用ASTM D1248,上述本发明的实施方案在熔体流动指数仪中进行了测试,表明其可以在该温度下分散,温度设定为93℃。发现本发明的该实施方案的熔体流动指数为0.01g/10min(2.16kg,93℃)。在190℃时,发现该材料的熔体流动为2.38g/10min(2.16kg)。
图2显示了本发明上述实施方案的干燥空气TGA热谱图。在305.6℃(582℉)时质量损失为1%,在325.7℃(618.3℉)时发生轻微降解。这足以让浓缩物与需要材料在短时间内达到600℉的高温聚合物(例如PC)混合。
样品2是使用法雷尔连续混合器和挤出机系统生产的,以生产工业规模的造粒产品。样品3是使用如上所述的二辊轧机生产的。样品1和3都保持足够的完整性并且可以从实心轧板上切成均匀的片。样品2可以使用水下切割造粒模具进行造粒。
尽管在本说明书中已经说明、描述和/或举例说明了具体实施方案,但是应当理解,本发明不仅限于所公开的实施方案,并且还考虑了许多的重新安排、修改和替换。已经参考优选的实施方案描述了示例性的实施方案,但是进一步的修改和改变涵盖前面的具体说明。这些修改和改变也落入所附的权利要求或其等效物的范围内。
Claims (11)
1.一种用于热塑性或热固性树脂配制剂的浓缩物载体体系,所述浓缩物包含:
丙烯酸酯共聚物,其占浓缩物的至少20重量%但小于50重量%;
聚己内酯衍生物,其占浓缩物的小于30重量%,所述聚己内酯包含选自以下的至少一种:(i)官能化己内酯的聚合物,(ii)己内酯的聚合物,(iii)具有在环结构内含有2至6个碳的环结构的官能化内酯的聚合物,(iv)具有在环结构内含有2至6个碳的环结构的内酯的聚合物,(v)具有在环结构内含有2至6个碳的环结构的官能化内酯与至少一种总共具有2至20个碳的支链和/或直链的脂肪族单体的共聚物,所述单体进一步包含任选的羧基和/或羟基官能团,和(vi)具有在环结构内含有2至6个碳的环结构的内酯与至少一种总共具有1至20个碳的支链和/或直链的脂肪族单体的共聚物;
包含浓缩物的剩余部分的复合添加剂,所述复合添加剂包括选自以下的至少一种:着色剂、性能增强剂和非功能性填料;和
其中所述浓缩物载体体系在环境温度下保持固体形式并且复合添加剂在90℃或更低至至少200℃的加工温度范围内分别在低熔点树脂体系和工程树脂体系中保持可行。
2.如权利要求1所述的浓缩物载体体系,其中聚己内酯衍生物是以下中的至少一种:聚己内酯、聚羟基烷酸酯、聚乙交酯、聚丙交酯,以及任选地具有一个或多个作为其侧基的官能团的任何前述物质。
3.如权利要求1或2所述的浓缩物载体体系,其中所述丙烯酸酯聚合物包括乙基-甲基丙烯酸酯共聚物。
4.如权利要求3所述的浓缩物载体体系,其中所述复合添加剂是浓缩物的至少50重量%。
5.如权利要求3所述的浓缩物载体体系,其中所述复合添加剂包括选自以下中的至少一种:有机和无机颜料、染料、氧化铝、云母、珠光效果添加剂、激光标记物和茂金属聚乙烯。
6.如权利要求3所述的浓缩物载体体系,其中所述复合添加剂包括选自以下中的至少一种:硬脂酸锌、脂肪酸钙、工艺改性剂、脱模剂、杀生物剂、紫外线稳定剂、热稳定剂、抗氧化剂、自由基清除剂、酸清除剂、抗静电填料和导电填料。
7.如权利要求3所述的浓缩物载体体系,其中所述复合添加剂包括选自以下中的至少一种:碳酸钙、粘土、二氧化硅、滑石粉、稻壳灰和灰分。
8.如权利要求2所述的浓缩物载体体系,其中所述聚己内酯衍生物基本上由聚己内酯组成。
9.如权利要求1所述的浓缩物载体体系,其中所述聚己内酯衍生物包括以下中的至少一种:单体、官能化己内酯的聚合物、官能化内酯的聚合物和官能化内酯的共聚物,使得向其提供选自以下中的至少一种官能团:羧基、羟基、甲基、丁基、丙基和异丙基。
10.如权利要求2所述的浓缩物载体体系,其进一步包含0.5至30.0重量%的增塑剂,并且其中所述丙烯酸酯共聚物为17.0至45.0重量%的乙基-甲基丙烯酸酯共聚物,所述聚己内酯衍生物为3.0至5.0重量%,并且复合添加剂包括2.0-30.0重量%(相对于浓缩物载体体系)的着色剂、0.8-18.5重量%(相对于浓缩物载体体系)的性能增强剂和0.0-41.0重量%(相对于浓缩物载体体系)的非功能性填料。
11.根据权利要求1、8、9或10中任一项所述的浓缩物载体体系,其中所述增塑剂基本上由环氧化大豆油组成。
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AU2020241238A1 (en) | 2021-09-16 |
WO2020190674A1 (en) | 2020-09-24 |
BR132021018703E2 (pt) | 2022-02-22 |
US11053361B2 (en) | 2021-07-06 |
JP2022524155A (ja) | 2022-04-27 |
US20200291193A1 (en) | 2020-09-17 |
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