CN114960204B - Pvc复合材料,含其产品及其原料、制备方法和应用 - Google Patents

Pvc复合材料,含其产品及其原料、制备方法和应用 Download PDF

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CN114960204B
CN114960204B CN202210665106.8A CN202210665106A CN114960204B CN 114960204 B CN114960204 B CN 114960204B CN 202210665106 A CN202210665106 A CN 202210665106A CN 114960204 B CN114960204 B CN 114960204B
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flame retardant
plasticizer
weight
pvc
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CN114960204A (zh
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王朝明
郭仁志
宋学军
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Elitex Dezhou Co ltd
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Abstract

本发明公开了一种PVC复合材料,含其产品及其原料、制备方法和应用。原料组合物包括如下重量份数的各组分:100份PVC树脂、12.5~35份增塑剂、3.5~10份耐寒增塑剂、3~9份环氧大豆油、2.5~4份热稳定剂、10~18份阻燃剂、10~28份碳酸钙、1~4份紫外线吸收剂、0.1~6份PVC加工助剂、0.1~11份内外润滑剂、0.15~2.5份内润滑剂和2~4份爽滑剂;其中,所述阻燃剂包括磷酸酯阻燃剂和有机次膦酸盐阻燃剂。本发明制得的包覆线和遮阳面料易挥发组分含量少,使用安全,烟密度低,无毒无害,且阻燃性能更强。

Description

PVC复合材料,含其产品及其原料、制备方法和应用
技术领域
本发明属于高分子材料技术领域,尤其涉及一种PVC复合材料,含其产品及其原料、制备方法和应用。
背景技术
传统遮阳面料在生产过程中通常会采用三氧化二锑作为阻燃剂,三氧化二锑阻燃剂含有重金属锑,锑会刺激人的眼、鼻、喉咙及皮肤,持续接触可破坏心脏及肝脏功能,吸入高含量的锑会导致锑中毒,症状包括呕吐、头痛、呼吸困难,严重者可能死亡;受该阻燃剂的影响,传统面料不仅对用户健康存在一定的威胁;在性能方面,阻燃性能一般,阻燃效果不尽如人意。
因此,本领域亟需研发一种毒性低,对环境污染小,阻燃效果理想的遮阳面料。
发明内容
本发明所要解决的技术问题是克服现有技术中遮阳面料中原料增塑剂的毒性大,污染环境,遮阳面料的塑化性能和耐久性能不理想等缺陷,而提供一种PVC复合材料,含其产品及其原料、制备方法和应用。以本发明制得的PVC复合材料为包覆材料制得的包覆线和遮阳面料中易挥发组分含量少,使用安全,烟密度低,无毒无害,且阻燃性能更强。
本发明采用以下技术方案解决上述技术问题:
本发明提供一种原料组合物,具体包括如下重量份数的各组分:100份PVC树脂、12.5~35份增塑剂、3.5~10份耐寒增塑剂、3~9份环氧大豆油、2.5~4份热稳定剂、10~18份阻燃剂、10~28份碳酸钙、1~4份紫外线吸收剂、0.1~6份PVC加工助剂、0.1~11份内外润滑剂、0.15~2.5份内润滑剂和2~4份爽滑剂;其中,所述阻燃剂包括磷酸酯阻燃剂和有机次膦酸盐阻燃剂。
一些实施例中,所述原料组合物中不包括协效阻燃剂。
一些实施例中,所述磷酸酯阻燃剂可包括磷酸三苯酯、磷酸三甲苯酯和四苯基间苯二酚二磷酸酯中的任意一种或多种,较佳地包括磷酸三苯酯和/或磷酸三甲苯酯。
一些实施例中,所述有机次膦酸盐阻燃剂可包括烷基次膦酸盐,较佳地包括二乙基次膦酸盐,例如,二乙基次膦酸铝。
一些实施例中,所述PVC树脂的聚合度可为本领域常规,较佳地为950~1100,更佳地为1000~1100。实验过程中发现,当PVC树脂的聚合度为950~1100时,可将PVC复合材料的熔融指数控制在9~12范围内;而当PVC树脂的聚合度低于950时,会导致制得的PVC复合材料的熔融指数偏高,进而导致包覆线的线径变大,易粘连;当PVC树脂的聚合度高于1100时,又会导致制得的PVC复合材料的熔融指数偏低,容易出现包覆不均匀和漏丝的情况。
所述PVC树脂可为本领域常规使用的PVC树脂,较佳地包括PVC树脂S-65和/或PVC树脂PS-1000。
一些实施例中,所述增塑剂可为本领域常规使用的增塑剂,较佳地包括邻苯二甲酸酯类增塑剂、对苯二甲酸酯类增塑剂和环己烷二羧酸酯类增塑剂中的一种或多种。
其中,所述邻苯二甲酸酯类增塑剂可包括邻苯二甲酸二异壬酯,例如,DINP增塑剂。
其中,所述对苯二甲酸酯类增塑剂可包括对苯二甲酸二辛酯。
其中,所述环己烷二羧酸酯类增塑剂可包括环己烷-1,2-二甲酸二异壬基酯,例如,DINCH增塑剂。
一些实施例中,所述耐寒增塑剂可包括己二酸酯类耐寒增塑剂,较佳地包括己二酸二辛酯,例如,DOA耐寒增塑剂。
一些实施例中,所述热稳定剂可为本领域常规使用的热稳定剂,较佳地包括钡锌热稳定剂和/或钙锌热稳定剂。
一些实施例中,所述紫外线吸收剂可为本领域常规使用的紫外线吸收剂,较佳地包括2-羟基-4正辛氧基二苯甲酮。
一些实施例中,所述PVC加工助剂可包括甲基丙烯酸酯类化合物,较佳地包括甲基丙烯酸甲酯。
一些实施例中,所述内外润滑剂可为本领域常规使用的内外润滑剂,较佳地包括氧化聚乙烯蜡。
一些实施例中,所述内润滑剂可为本领域常规使用的内润滑剂,较佳地包括聚乙烯蜡。
一些实施例中,所述爽滑剂可为本领域常规使用的爽滑剂,较佳地包括滑石粉。
一些实施例中,所述增塑剂的重量份数较佳地为16~25份。
一些实施例中,所述耐寒增塑剂的重量份数较佳地为5~7.5份。
一些实施例中,所述环氧大豆油的重量份数较佳地为4~6.25份。
一些实施例中,所述热稳定剂的重量份数较佳地为2.5~3.75份。
一些实施例中,所述阻燃剂的重量份数较佳地为12.5~16.7份。
一些实施例中,所述有机次膦酸盐阻燃剂和所述磷酸酯阻燃剂的重量份数比可为1:(1~20),较佳地为1:(5~10)。
一些实施例中,所述碳酸钙的重量份数较佳地为17.5~26.25份。
一些实施例中,所述紫外线吸收剂的重量份数较佳地为1.5~2.5份。
一些实施例中,所述PVC加工助剂的重量份数较佳地为3~5份。
一些实施例中,所述内外润滑剂的重量份数较佳地为4~6.5份。
一些实施例中,所述内润滑剂的重量份数较佳地为1.7~2.5份。
一些实施例中,所述爽滑剂的重量份数较佳地为2.5~3.75份。
一些实施例中,所述原料组合物中还可进一步包括外润滑剂、防霉剂、杀菌剂和钛白粉中的任意一种或多种。
其中,所述外润滑剂可为本领域常规使用的外润滑剂,较佳地包括硬脂酸钙。
其中,所述外润滑剂的重量份数可为本领域常规,较佳地为0.1~4份,更佳地为0.8~1.25份。
其中,所述防霉剂的重量份数可为本领域常规,较佳地为0.02~17份,更佳地为6~10份。
其中,所述杀菌剂的重量份数可为本领域常规,较佳地为0.02~17份,更佳地为8~12.5份。
其中,所述钛白粉的重量份数可为本领域常规,较佳地为0.1~25份,更佳地为10~15份。
本发明还提供一种PVC复合材料的制备方法,所述PVC复合材料的原料包括如上所述的原料组合物,具体包括如下步骤:
(1)将所述PVC树脂、所述增塑剂、所述耐寒增塑剂、所述环氧大豆、所述热稳定剂经混合,制得物料1;
(2)所述物料1与所述阻燃剂、所述碳酸钙、所述紫外线吸收剂、所述PVC加工助剂、所述内外润滑剂、所述内润滑剂和所述爽滑剂混合,挤出塑化,即可;其中,所述阻燃剂包括磷酸酯阻燃剂和有机次膦酸盐阻燃剂。
一些实施例的步骤(1)中,所述混合的时间可为本领域该类操作常规的时间,较佳地为1~6min。
一些实施例的步骤(1)中,所述混合的温度可为60~90℃。
一些实施例的步骤(1)中,所述混合可按照本领域常规在搅拌的条件下进行,所述搅拌的转速可为30~60r/s。
一些实施例的步骤(2)中,所述混合的时间可为本领域该类操作常规的时间,较佳地为1~5min。
一些实施例的步骤(2)中,所述混合的温度可为80~100℃。
一些实施例的步骤(2)中,所述混合可按照本领域常规在搅拌的条件下进行,所述搅拌的转速可为40~75r/s。
一较佳实施例的步骤(2)中,添加所述阻燃剂、所述碳酸钙、所述紫外线吸收剂、所述PVC加工助剂、所述内外润滑剂、所述内润滑剂和所述爽滑剂时,可按照本领域常规在搅拌的条件下进行,所述搅拌的转速可为15~30r/s。
一些实施例的步骤(2)中,所述挤出塑化的条件和方法可为本领域该类操作常规的条件和方法,一般可在双螺杆挤出机中进行。
一些实施例的步骤(2)中,所述挤出塑化的温度可为本领域该类操作常规的温度,较佳地为120~150℃。
一较佳实施例的步骤(2)中,所述挤出塑化的操作前还可进一步包括与钛白粉混合的操作。
其中,所述钛白粉同如上所述的原料组合物中的所述钛白粉。
其中,所述混合的过程中程序升温,一般可为1~5min升温至100~120℃,再于2min内升温至120~145℃。
一些实施例的步骤(2)中,所述挤出塑化的操作后还可进一步包括造粒的操作。
一些实施例的步骤(2)中,当所述PVC复合材料的原料包括外润滑剂、防霉剂和杀菌剂中任意一种或多种时,所述外润滑剂、所述防霉剂或所述杀菌剂可在步骤(2)的所述混合过程中加入。
其中,所述外润滑剂可为如上所述的原料组合物中的所述外润滑剂。所述防霉剂可为如上所述的原料组合物中的防霉剂。所述杀菌剂可为如上所述的原料组合物中的杀菌剂。
本发明还提供一种PVC复合材料,其由如上所述的PVC复合材料的制备方法制得。
本发明还提供一种包覆线,所述包覆线包括线芯和包覆于所述线芯外表面的包覆层;所述包覆层的原料包括如上所述的PVC复合材料。
一些实施例中,所述线芯的材料可为本领域常规,较佳地为聚酯纤维。
一些实施例中,所述包覆层的包覆方法可为挤出成型法。
一些实施例中,所述线芯的线径可为本领域常规,较佳地为0.2~0.6mm。
本发明还提供一种遮阳面料的制备方法,具体包括如下步骤:如上所述的包覆线经织造和热定型,即可。
一些实施例中,所述织造的纬密可为本领域常规,较佳地为15~25根/cm。
一些实施例中,所述织造的操作前还可进一步包括整经的操作。
其中,所述整经的速度可为本领域常规,较佳地为110~130m/min,更佳地为120m/min。
其中,所述整经的张力可为本领域常规,较佳地为80~120N,更佳地为95N。
一些实施例中,所述热定型的条件和方法可为本领域常规,一般可在烘箱中进行,较佳地在8节烘箱中进行。
一些实施例中,所述热定型的温度可为本领域该类操作常规的温度,较佳地为70~180℃。
一较佳实施例中,所述热定型可按照本领域常规分为8段,8段中所述热定型的温度可分别为75~90℃、88~102℃、93~110℃、95~120℃、105~130℃、102~148℃、125~175℃、92~120℃。
本发明还提供一种遮阳面料,其由如上所述的遮阳面料的制备方法制得。
本发明还提供一种如上所述的包覆线和/或如上所述的遮阳面料作为原材料在制备遮阳产品中的应用。
在符合本领域常识的基础上,上述各优选条件,可任意组合,即得本发明各较佳实例。
本发明所用试剂和原料均市售可得。
本发明的积极进步效果在于:本发明采用包括有机次膦酸盐阻燃剂和磷酸酯阻燃剂在内的复合型阻燃剂代替本领域常规使用的三氧化二锑阻燃剂;与其他原料配合使用,促使制得的包覆线和遮阳面料中不含锑等重金属,无毒无害,绿色健康,且易挥发组分含量少,使用安全,烟密度低,阻燃性能更优异。
具体实施方式
下面通过实施例的方式进一步说明本发明,但并不因此将本发明限制在所述的实施例范围之中。下列实施例中未注明具体条件的实验方法,按照常规方法和条件,或按照商品说明书选择。
下述实施例中所使用的实验方法如无特殊说明,均为常规方法。
实施例1
一、PVC复合材料的制备
PVC复合材料的原料包括如下重量份数的各组分:聚氯乙烯树脂(PVC树脂S-65,聚合度为1000-1100)100份,阻燃剂12.5份,DINP增塑剂25份,DOA耐寒增塑剂7.5份,环氧大豆油6.25份,钡锌热稳定剂3.75份,碳酸钙26.25份,紫外线吸收剂(2-羟基-4正辛氧基二苯甲酮)2.5份,PVC加工助剂(甲基丙烯酸甲酯)5份,内外润滑剂(氧化聚乙烯蜡)6.25份,外润滑剂(硬脂酸钙)1.25份,内润滑剂(聚乙烯蜡)2.5份,钛白粉15份,爽滑剂(滑石粉)3.75份,防霉剂10份,杀菌剂12.5份;阻燃剂为二乙基次膦酸铝和磷酸三苯酯的混合物,二者的重量份数比为1:5;
方法包括如下步骤:
(1)在温度为65℃的条件下,将PVC树脂、增塑剂、耐寒增塑剂、环氧大豆油、热稳定剂混合,制得物料1;混合的转速为60r/s,混合的时间为5min;
(2)在温度为85℃,且转速为20r/s的条件下,向物料1中添加阻燃剂、碳酸钙、紫外线吸收剂、PVC加工助剂、内外润滑剂、内润滑剂、外润滑剂、防霉剂、杀菌剂和爽滑剂,添加后将转速调整为60r/s继续混合5min,制得物料2;
(3)将物料2与钛白粉混合,本实施例中,混合的过程中程序升温,具体为在5min内升温至110℃,再于2min内升温至135℃;混合后将物料转移到双螺杆挤出机中进行挤出塑化,冷却后用切割机进行造粒,制得PVC复合材料;挤出塑化的温度为120℃;PVC复合材料的熔融指数为10.5g/10min。
二、包覆线的制备
将聚酯纤维导入拉丝机,拉成线径为0.3mm的线芯;采用挤出成型的方法将步骤一制得的PVC复合材料包覆在线芯的表面,制得包覆线;
三、遮阳面料的制备
将包覆线导入整经机后进行梳理,缠绕在织轴上,整经速度控制在120m/min,张力控制在95N,按照一定规律让纱线穿过停经片、综丝、钢筘,使其整齐有序,作为经线或纬线,便于后续的织造;
将经线和纬线在剑杆织机上相互交织,形成底布,纬密参数为20根/cm;将底布加入到温度为100℃的8节烘箱中,使底布稍微融化,让经线和纬线交织处熔融粘合,然后用轧光机将布料定型,制得遮阳面料。
实施例2
与实施例1相比,区别仅在于步骤一中PVC复合材料的原料不同,其他条件参数同实施例1;PVC复合材料的原料包括如下重量份数的各组分:聚氯乙烯树脂(PVC树脂S-65,聚合度为1000-1100)100份,阻燃剂16.67份,DINP增塑剂16.67份,DOA耐寒增塑剂5份,环氧大豆油4.2份,钡锌热稳定剂2.5份,碳酸钙17.5份,紫外线吸收剂(2-羟基-4正辛氧基二苯甲酮)1.67份,PVC加工助剂(甲基丙烯酸甲酯)3.3份,内外润滑剂(氧化聚乙烯蜡)4.2份,外润滑剂(硬脂酸钙)0.83份,内润滑剂(聚乙烯蜡)1.67份,钛白粉10份,爽滑剂(滑石粉)2.5份,防霉剂6.67份,杀菌剂8.3份;其中,阻燃剂为二乙基次膦酸铝和磷酸三甲苯酯的混合物,二者的重量份数比为1:10。
实施例3
与实施例1相比,区别仅在于阻燃剂为二乙基次膦酸铝和四苯基间苯二酚二磷酸酯的混合物,二者的重量份数比为1:5,其他条件参数同实施例1。
实施例4
与实施例1相比,区别仅在于阻燃剂为二乙基次膦酸铝和磷酸三苯酯的混合物,二者的重量份数比为1:20,其他条件参数同实施例1。
对比例1
与实施例1相比,区别仅在于阻燃剂的重量份数为8份、DINP增塑剂40份、钡锌热稳定剂6份,其他条件参数同实施例1。
对比例2
与实施例1相比,区别仅在于阻燃剂为12.5份磷酸三苯酯,其他条件参数同实施例1。
对比例3
与实施例1相比,区别仅在于将12.5份阻燃剂替换为5份三氧化二锑和10份协效阻燃剂(硼酸锌),其他条件参数同实施例1。
对比例4
与实施例1相比,区别仅在于将12.5份阻燃剂替换为12.5份次三聚氰胺焦磷酸盐,其他条件参数同实施例1。
效果实施例1
测试实施例1~4和对比例1~4制得遮阳面料的质量损失、滴落物燃烧时间和布面续燃时间,结果见表1;测试方法参照美国防火协会标准NFPA07:2015植物和薄膜材料火焰传播测试方法中的方法1测试试样的阻燃性能;测试前试样在105±3℃条件下放置至少30min。
判断标准:
1)10个样品碎片与残渣掉落测试箱底盘后的平均续燃时间不得超过2s;
2)10个样品质量损失百分比平均值应不大于40%;
3)单个样品的质量损失百分比偏离其平均值不超过3倍标准偏差;
4)当进行重复时,第2组试样中单个样品的质量损失百分比偏离第2组试样的平均值不超过3个标准偏差;
5)当样品不能证明通过上述条件时,该样品记录为不符合本测试要求。
表1
结果表明,实施例1~4制得产品的阻燃效果明显优于对比例1~4制得的产品的阻燃效果,实施例1~4制得产品的质量损失最少,滴落物燃烧时间和布面续燃时间短。其中,实施例1~2制得产品的阻燃效果最为理想。结合本发明基本配方,在阻燃剂添加量相同的情况下,本发明特定组合的阻燃剂相比于组合中单独一种阻燃剂的阻燃效果更显著。本发明特定组合的阻燃剂比传统阻燃剂添加量更低,但阻燃效果更理想。猜测可能是由于本发明采用的特定组合的阻燃剂通过反应的方式与配方中其他组分结合,各组分共同作用,极大的提高了产品的阻燃效果。
效果实施例2浓烟密度测定
测试方法参照GB/T 8323.2-2008《塑料-烟生成-第2部分:单室法测量烟密度试验方法》,测试上述实施例1~4和对比例1~3制得产品的浓烟密度,结果见表2。
测试模式:辐射强度25kW/m2,分别在无引燃模式和引燃模式下测定。
表2
结果表明,实施例1~4制得的产品浓烟密度明显低于上述对比例制得产品的烟密度;可见,本发明实施例1~4制得产品的有害气体释放量少,减少对环境的污染,使用安全性高。
最后,还需要说明的是,在本发明中术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。
尽管上面已经通过本公开的具体实施例的描述对本公开进行了披露,但是,应该理解,本领域技术人员可在所附方案的精神和范围内设计对本公开的各种修改、改进或者等同物。这些修改、改进或者等同物也应当被认为包括在本公开所要求保护的范围内。

Claims (18)

1.一种原料组合物,其特征在于,包括如下重量份数的各组分:100份PVC树脂、12.5~35份增塑剂、3.5~10份耐寒增塑剂、3~9份环氧大豆油、2.5~4份热稳定剂、10~18份阻燃剂、10~28份碳酸钙、1~4份紫外线吸收剂、0.1~6份PVC加工助剂、0.1~11份内外润滑剂、0.15~2.5份内润滑剂和2~4份爽滑剂;其中,所述阻燃剂为磷酸酯阻燃剂和有机次膦酸盐阻燃剂;所述磷酸酯阻燃剂为磷酸三苯酯和/或磷酸三苯甲酯;所述有机次膦酸盐阻燃剂为二乙基次磷酸盐;所述二乙基次磷酸盐阻燃剂为二乙基次膦酸铝;
所述有机次膦酸盐阻燃剂和所述磷酸酯阻燃剂的重量份数比为1:(5~10);所述原料组合物中不包括协效阻燃剂;所述PVC树脂的聚合度为950~1100;所述PVC树脂包括PVC树脂S-65和/或PVC树脂PS-1000;所述增塑剂包括邻苯二甲酸酯类增塑剂、对苯二甲酸酯类增塑剂和环己烷二羧酸酯类增塑剂中的一种或多种;所述耐寒增塑剂包括己二酸酯类耐寒增塑剂;所述热稳定剂包括钡锌热稳定剂和/或钙锌热稳定剂;所述紫外线吸收剂包括2-羟基-4-正辛氧基二苯甲酮;所述PVC加工助剂包括甲基丙烯酸酯类化合物;所述内外润滑剂包括氧化聚乙烯蜡;所述内润滑剂包括聚乙烯蜡;所述爽滑剂包括滑石粉。
2.如权利要求1所述的原料组合物,其特征在于,
所述原料组合物中还进一步包括外润滑剂、防霉剂、杀菌剂和钛白粉中的任意一种或多种。
3.如权利要求2所述的原料组合物,其特征在于,所述原料组合物满足下列条件的一种或多种:
当所述增塑剂包括所述邻苯二甲酸酯类增塑剂时,所述邻苯二甲酸酯类增塑剂包括邻苯二甲酸二异壬酯;
当所述增塑剂包括所述对苯二甲酸酯类增塑剂时,所述对苯二甲酸酯类增塑剂包括对苯二甲酸二辛酯;
当所述增塑剂包括所述环己烷二羧酸酯类增塑剂时,所述环己烷二羧酸酯类增塑剂包括环己烷-1,2-二甲酸二异壬基酯;
当所述耐寒增塑剂包括己二酸酯类耐寒增塑剂时,所述耐寒增塑剂包括己二酸二辛酯;
当所述PVC加工助剂包括甲基丙烯酸酯类化合物时,所述PVC加工助剂包括甲基丙烯酸甲酯;
当所述原料组合物包括所述外润滑剂时,所述外润滑剂包括硬脂酸钙;
当所述原料组合物包括所述外润滑剂时,所述外润滑剂的重量份数为0.1~4份;
当所述原料组合物包括所述防霉剂时,所述防霉剂的重量份数为0.02~17份;
当所述原料组合物包括所述杀菌剂时,所述杀菌剂的重量份数为0.02~17份;
当所述原料组合物包括所述钛白粉时,所述钛白粉的重量份数为0.1~25份。
4.如权利要求3所述的原料组合物,其特征在于,所述原料组合物满足下列条件的一种或多种:
所述外润滑剂的重量份数为0.8~1.25份;
所述防霉剂的重量份数为6~10份;
所述杀菌剂的重量份数为8~12.5份;
所述钛白粉的重量份数为10~15份。
5.如权利要求1~4中任意一项所述的原料组合物,其特征在于,所述增塑剂的重量份数为16~25份;
和/或,所述耐寒增塑剂的重量份数为5~7.5份;
和/或,所述环氧大豆油的重量份数为4~6.25份;
和/或,所述热稳定剂的重量份数为2.5~3.75份;
和/或,所述阻燃剂的重量份数为12.5~16.7份;
和/或,所述碳酸钙的重量份数为17.5~26.25份;
和/或,所述紫外线吸收剂的重量份数为1.5~2.5份;
和/或,所述PVC加工助剂的重量份数为3~5份;
和/或,所述内外润滑剂的重量份数为4~6.5份;
和/或,所述内润滑剂的重量份数为1.7~2.5份;
和/或,所述爽滑剂的重量份数为2.5~3.75份。
6.一种PVC复合材料的制备方法,其特征在于,所述PVC复合材料的原料包括如权利要求1~5中任意一项所述的原料组合物,具体包括如下步骤:
(1)将所述PVC树脂、所述增塑剂、所述耐寒增塑剂、所述环氧大豆油、所述热稳定剂经混合,制得物料1;
(2)所述物料1与所述阻燃剂、所述碳酸钙、所述紫外线吸收剂、所述PVC加工助剂、所述内外润滑剂、所述内润滑剂和所述爽滑剂混合,挤出塑化,即可。
7.如权利要求6所述的PVC复合材料的制备方法,其特征在于,步骤(1)中,所述混合的时间为1~6min;
和/或,步骤(1)中,所述混合的温度为60~90℃;
和/或,步骤(1)中,所述混合在搅拌的条件下进行,所述搅拌的转速为30~60r/s;
和/或,步骤(2)中,所述混合的时间为1~5min;
和/或,步骤(2)中,所述混合的温度为80~100℃;
和/或,步骤(2)中,所述混合在搅拌的条件下进行,所述搅拌的转速为40~75r/s;
和/或,步骤(2)中,添加所述阻燃剂、所述碳酸钙、所述紫外线吸收剂、所述PVC加工助剂、所述内外润滑剂、所述内润滑剂和所述爽滑剂时,在搅拌的条件下进行,所述搅拌的转速为15~30r/s;
和/或,步骤(2)中,所述挤出塑化的温度为120~150℃;
和/或,步骤(2)中,所述挤出塑化的操作前还进一步包括与钛白粉混合的操作;
和/或,步骤(2)中,所述挤出塑化的操作后还进一步包括造粒的操作;
和/或,步骤(2)中,当所述PVC复合材料的原料包括外润滑剂、防霉剂和杀菌剂中任意一种或多种时,所述外润滑剂、所述防霉剂或所述杀菌剂在步骤(2)的所述混合过程中加入。
8.如权利要求7所述的PVC复合材料的制备方法,其特征在于,步骤(2)所述挤出塑化的操作前与所述钛白粉进行所述混合的操作时,所述混合的过程中程序升温,在1~5min升温至100~120℃,再于2min内升温至120~145℃。
9.一种PVC复合材料,其特征在于,其由如权利要求6~8中任意一项所述的PVC复合材料的制备方法制得。
10.一种包覆线,其特征在于,所述包覆线包括线芯和包覆于所述线芯外表面的包覆层;所述包覆层的原料包括如权利要求9所述的PVC复合材料。
11.如权利要求10所述的包覆线,其特征在于,所述包覆线满足下列条件的一种或多种;
所述线芯的材料为聚酯纤维;
所述包覆层的包覆方法为挤出成型法;
所述线芯的线径为0.2~0.6mm。
12.一种遮阳面料的制备方法,其特征在于,具体包括如下步骤:如权利要求10或11所述的包覆线经织造和热定型,即可。
13.如权利要求12所述遮阳面料的制备方法,其特征在于,所述遮阳面料的制备方法满足下列条件的一种或多种:
所述织造的纬密为15~25根/cm;
所述织造的操作前还进一步包括整经的操作;
所述热定型的温度为70~180℃。
14.如权利要求13所述遮阳面料的制备方法,其特征在于,所述遮阳面料的制备方法满足下列条件中一种或多种:
所述整经的速度为110~130m/min;
所述整经的张力为80~120N;
所述热定型分为8段,8段中所述热定型的温度分别为75~90℃、88~102℃、93~110℃、95~120℃、105~130℃、102~148℃、125~175℃、92~120℃。
15.如权利要求14所述遮阳面料的制备方法,其特征在于,所述遮阳面料的制备方法满足下列条件中一种或多种:
所述整经的速度为120m/min;
所述整经的张力为95N。
16.一种遮阳面料,其特征在于,其由如权利要求13~15中任意一项所述的遮阳面料的制备方法制得。
17.一种如权利要求10或11所述的包覆线在制备遮阳产品中的应用。
18.一种如权利要求16所述的遮阳面料作为原材料在制备遮阳产品中的应用。
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