CN112239559A - 一种以藻类为主要原料配置的塑料母料 - Google Patents
一种以藻类为主要原料配置的塑料母料 Download PDFInfo
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Abstract
本发明公开了一种以藻类为原料的母料,其由下列重量百分比的原料配制而成:藻类99~99.5%、乳胶0.5—1.0%。根据不同使用要求还可以用30—82%的藻类与不同用量的添加剂配制成本发明的塑料母料。本发明提供的塑料母料的比重小,制造出的塑料产品重量轻;可显著提高塑料制品的抗拉强度、撕裂强度和抗冲击强度。对聚烯烃有降解催化促进作用,环保。还具有阻燃、隔音、隔热等功能;又有去除异味、去甲醛、分解VOC达到净化空气的、杀菌的效果和持续释放负离子。
Description
技术领域
本发明涉及塑料的改性添加原料,尤其涉及一种以绿藻、蓝藻、红藻、褐藻、马尾藻、硅藻及形成海水赤潮的各种藻类为原料的改性塑料母粒。也包括藻类的沉淀物海藻泥(土)、硅藻泥(土)等为原料的改性塑料母粒。
背景技术
蓝藻爆发的主要原因是水体的富营养化,而导致蓝藻爆发的过量养分主要来源于五个方面。一是农田地表径流造成的化肥流失,化肥是很多富营养化水域的主要营养物来源。在密西西比河流域,67%的氮流入水体,随之流入墨西哥湾;波罗的海和太湖中超过50%的氮也来自农田径流的化肥流失。二是生活污水,包括人类的生活污水和含磷洗涤剂和清洁剂等。三是畜禽养殖,畜禽的粪便含有大量营养物如氮和磷,这些元素都能导致富营养化。四是工业污染,包括化肥厂废水排放。五是燃烧矿物燃料,在波罗的海中约30%的氮,在密西西比河中约13%的氮都来源于此。
大规模的蓝藻爆发,被称为“绿潮”,跟海洋发生的赤潮对应。绿潮引起水质恶化,严重时耗尽水中氧气而造成鱼类的死亡;更为严重的是,蓝藻中有些种类(如微囊藻)还会产生毒素(简称MC),大约50%的绿潮中含有大量MC。MC除了直接对鱼类、人畜产生毒害之外,也是肝癌的重要诱因。因此,必须对蓝藻污染进行清理和整治,防止蓝藻入侵饮用水源保护区。
赤潮,又称红潮,国际上也称其为“有害藻类”或“红色幽灵”。是在特定的环境条件下,海水中某些浮游植物、原生动物或细菌爆发性增殖或高度聚集而引起水体变色的一种有害生态现象。赤潮并不一定都是红色,主要包括淡水系统中的水华,海洋中的一般赤潮,近几年新定义的褐潮(抑食金球藻类),绿潮(浒苔类)等。
根据引发赤潮的生物种类和数量的不同,海水有时也呈现黄、绿、褐色等不同颜色。海洋里能够形成赤潮的浮游生物的63种浮游生物中,硅藻有24种,甲藻32种,蓝藻3种,金藻1种,隐藻2种,原生动物1种。有赤潮生物分布的海域并非一定会发生赤潮,这要看其密度能否达到足以使局部海域水体变色的水平。再就是大量赤潮生物死亡后,在尸骸的分解过程中要大量消耗海水中的溶解氧,造成缺氧环境,引起虾、贝类的大量死亡。
所以,蓝绿藻和赤潮对人类生活环境带来危害和经济损失是巨大的。必须进行整治处理和综合利用。
发明内容
本发明为了解决各种藻类爆发对于大自然的危害,提出一种利用人们净化水质而打捞上来的蓝、绿藻、海藻及其腐烂物、沉淀物制成粉末,再添加到塑料中制成的塑料母粒。这种塑料母粒具有阻燃、隔音、隔热等功能;又有去甲醛、分解VOC、杀菌的效果;还能持续的释放负离子。
本发明提出的第一种以藻类为原料的塑料母料,其由下列重量百分比的原料配制而成:藻类99~99.5% 、乳胶0.5—1.0%;
根据需要,按选定的所述原料的重量百比称取所述的藻类和乳胶,加入一定比例的离子水将所述的乳胶稀释,再将稀释后的乳液喷洒在所述的藻类上搅拌均匀后,送入造粒机造粒,造料温度控制在85—90 C°,制得所述的塑料母料。
本发明提出的第二种以藻类为原料的塑料母料,其由下列重量百分比的原料配制而成:藻类63—82% 、LLDPE 15—35%、PE蜡0—2%、表面活性剂硬脂酸1—5%、偶联剂铝酸酯0.4—2.5%;
根据需要,按选定的所述原料的重量百分比称取所述的藻类、LLDPE 、PE蜡、表面活性剂硬脂酸和偶联剂铝酸酯,并添加在一起进行搅拌,搅拌均匀后,加入捏合机捏合分散,捏合温度为125—135C°,捏合时间为40分钟,再将捏合后的混合物倒出切成小块并冷却到室温,再将其投入造粒机制得所述的塑料母料。
优选的,造粒时的造粒机温度曲线是115 C°、115 C°、135 C°、135 C°、140 C°、135C°、135 C°、125 C°、125 C°、135 C°。
本发明提供的第三种以藻类为原料的塑料母料,其由下列重量百分比的原料配制而成:藻粉55—76%、EVA 20—40%、石蜡0.5—3%、表面活性剂硬脂酸1.5—3.0%、偶联剂铝酸酯0.4—1.5%、 PE弹性体1.0—3.0%、天然橡胶0.5—3.0%;
根据需要,按选定的所述原料的重量百分比称取所述的藻类、EVA、石蜡、表面活性剂硬脂酸、偶联剂铝酸酯、 PE弹性体和天然橡胶,并添加在一起进行搅拌,搅拌均匀后,加入捏合机捏合分散,捏合温度为125C°,捏合时间为40分钟;将捏合后的混合物倒出切成小块冷却到室温,再将其投入造粒机制得所述的塑料母料。
优选的,造粒时,造粒机温度曲线是115 C°、115 C°、125 C°、125 C°、130 C°、125C°、125 C°、135 C°、125 C°、125 C°。
本发明提供的第四种以藻类为原料的塑料母料,其由下列重量百分比的原料配制而成:藻类30—65% 、PP 30—65%、PP蜡0—2%、表面活性剂硬脂酸0.5—3.0%、偶联剂铝酸酯0.3—0.8%、钛酸酯0.3—0.8%、氧化锌0.1—0.8%;
根据需要,按选定的所述原料的重量百分比称取所述的藻类、PP、PP蜡、表面活性剂硬脂酸、偶联剂铝酸酯、钛酸酯和氧化锌,并添加在一起进行搅拌,搅拌均匀后,加入捏合机捏合分散,捏合温度为135C°,捏合时间为40分钟;将捏合后的混合物倒出切成小块冷却到室温,再将其投入造粒机制得所述的塑料母料。
优选的,造粒时,造粒机温度曲线是120 C°、120 C°、125 C°、125 C°、130 C°、125C°、125 C°、120C°、120 C°、125 C°。
本发明所述的藻类包括淡水藻类、海水藻类、所述藻类的沉淀物、海藻泥土或硅藻泥土中的至少一种。
本发明所述的藻类为经清洗、烘干、粉碎、去出盐分加工成800—10000目的粉末。
本发明为塑料行业提供一种新性的改性注剂(填料)。与现有相比的优点:1.比重小只有0.38—0.40,而玉米淀粉的颗粒密度是1.48,石灰粉的密度是2.7。所以,用作塑料添加剂,使用相同体积的填料制造出的塑料产品重量轻;2.淀粉和无机粉末都是微粒粉末结构。而本发明提供的母料是多孔状的纤维结构,在和有机聚合物捏合后,可以显著提高塑料制品的抗拉强度、撕裂强度和抗冲击强度。3. 生长在海水里的海藻含有 45 种以上的无机元素,海藻泥土中的胶体成分较复杂,属于无机物的有硫化铁、氢氧化铝、氧化铝、氧化锰、氧化钙、氧化钛、氢氧化亚铁,还有大量的过渡金属及其络合物这些对聚烯烃有降解催化作用促进剂。能使聚乙烯和聚丙烯类塑料快速降解达到保护环境消灭白色污染。本发明提供的塑料母粒具有阻燃、隔音、隔热等功能;又有去除异味、去甲醛、分解VOC达到净化空气的、杀菌的效果;还能持续的释放负离子。
具体实施方式
下面根据实施例对本发明作进一步的说明。
实施例1 制备藻类百分百的塑料母料
本实施例提供的塑料母料,该塑料母料由藻类粉加少量的粘合剂造粒而成。
具体可选用重量百分比的原料:藻类99~99.5%和乳胶(AVE)0.5~1.0%配制而成。
具体地,藻类粉末的粒度可以为1000目—5000目,本实施例优选1250—3000目,重量百分比原料为藻类99%、AVE乳胶采用707#重量百分比1%。用去离子水先将AVE707#乳胶稀释,比例为:707#乳胶:水为1:5。然后将稀释后的707#乳液喷洒在藻类粉末上搅拌均匀后,送入造粒机造粒,造料温度控制在85—90 C°,制得藻类百分百的塑料母料。
此塑料母料可以添加在PP、 PE 、PVC、 PS 、PC 、PU、 EVA 、PET、 PA 或ABS等各种合成树酯中生产出各种改性塑料。
实施例2 制备藻类改性聚乙烯塑料膜的母料
本实施例提供的塑料母料,可选用下列重量百分比的原料配制而成:藻类粉63—82% 、LLDPE 15—35%、PE蜡0—2%、表面活性剂硬脂酸1—5%、偶联剂铝酸酯0.4—2.5%。
具体地,选用藻类粉末63%,粒度是1250目—5000目,优选2500—3000目; LLDPE29%、PE蜡2.0%、表面活性剂硬脂酸4%、偶联剂铝酸酯2.0%配制藻类改性聚乙烯塑料膜的母料。
将上述原料添加在一起进行搅拌,搅拌均匀后,加入捏合机捏合分散。捏合温度控制在125—135C°,捏合时间为40分钟。将捏合成面团状的混合物倒出切成小块,冷却到室温,再将其投入造粒机制得藻类改性聚乙烯塑料膜的母料。
其中,造粒机温度曲线是115 C°、115 C°、135 C°、135 C°、140 C°、135 C°、135C°、125 C°、125 C°、135 C°。此塑料母料可以选择添加,制成不同含量的聚乙烯塑料薄膜。
实施例3 制备藻类改性EVA塑料的母料
本实施例提供的塑料母料,可选用下列重量百分比的原料配制而成:藻粉55—76%、EVA20—40%、石蜡0.5—3%、表面活性剂硬脂酸1.5—3.0%、偶联剂铝酸酯0.4—1.5%、 PE弹性体1.0—3.0%、天然橡胶0.5—3.0%。
具体地,选用藻类粉末的粒度是1000目—2500目,本实施例优选1250—1500目,重量百分比为藻类粉55%、EVA 35%、石蜡3%、表面活性剂硬脂酸2.5%、偶联剂铝酸酯1.5%、 PE弹性体3.0%、天然橡胶3.0% 配制塑料母料。
将上述原料添加在一起经行搅拌,搅拌均匀后,加乳捏合机捏合分散。捏合温度控制在125C°、捏合时间为40分钟。将捏合成面团状的混合物倒出切成小块,冷却到室温,再将其投入造粒机制得藻类改性EVA塑料的母料。
其中,造粒机温度曲线是115 C°、115 C°、125 C°、125 C°、130 C°、125 C°、125C°、135 C°、125 C°、125 C°。这种藻类改性EVA塑料的母料,添加上DC发泡剂和其它助剂可以生产各种环保EVA发泡鞋底、鞋垫。
实施例四 制备藻类改性聚丙烯注塑的母料
本实施例提供的塑料母料,可选用下列重量百分比的原料配制而成:藻类30—65% 、PP30—65%、PP蜡0—2.0%、表面活性剂硬脂酸0.5—3.0%、偶联剂铝酸酯0.3—0.8%、钛酸酯0.3—0.8%、氧化锌0.1—0.8%。
具体地,选用藻粉42%,优选1250—1500目、PP 52%、PP蜡2.0%、表面活性剂硬脂酸2.5%、偶联剂铝酸酯0.5%、钛酸酯0.8%、氧化锌0.2%配制塑料母料。
将上述原料添加在一起经行搅拌,搅拌均匀后,加乳捏合机捏合分散。捏合温度控制在135C°、捏合时间为40分钟。将捏合成面团状的混合物倒出切成小块,冷却到室温,再将其投入造粒机制得藻类改性聚丙烯注塑的母料。
其中,造粒机温度曲线是120 C°、120 C°、125 C°、125 C°、130 C°、125 C°、125C°、120C°、120 C°、125 C°。这种藻类改性聚丙烯注塑藻类母料,添加上新的聚丙烯和其它助剂可以生产各种PP注塑产品。如各类电视机壳、空心板、插盘、支架等注塑产品。
由本发明所述四种实施例制备的母料对金黄色葡萄球菌ATCC6538进行抗菌性能测试,测试结果如下表所示:
由测试结果可知,本发明制备的母料对金黄色葡萄球菌ATCC6538的抗菌率大于99%,效果符合要求。
再由所述四种实施例制备的母料对异味的三种主要成分氨、H2S、CH3SH的祛除率进行测试,测试结果如下表所示:
由测试结果可知,本发明制备的母料制备的母料对异味的三种主要成分氨、H2S、CH3SH的祛除率均大于93%,效果理想。
本领域技术人员还可以理解到,本发明所述的藻类包括由水中的63种浮游生物,其中有硅藻有24种,甲藻32种,蓝藻3种,金藻1种,隐藻2种,原生动物1种所组成。海藻有绿藻、红藻、褐藻,裸藻、甲藻(或称涡鞭毛藻)、隐藻、硅藻等13门类共一万多种。其中硅藻门最多达六千种,硅藻种类多、数量大,因而被称为海洋的“草原”。本发明所述的藻类包括淡水生长的绿藻、蓝藻和浮水生物体的死亡腐烂的沉淀物(淤泥);海水的海藻有绿藻、红藻、褐藻,裸藻、甲藻(或称涡鞭毛藻)、隐藻、硅藻等。还包括海水中的海带、海苔、海草等浮游生物,海藻死后沉积的海藻硅藻土(泥)、海藻类沉积矿物,陆地的矿物质硅藻土(泥),草地、森林、江河湖底的苔藓类等,海洋发生“赤潮”的浮游生物。
海水中含有 45 种以上的无机元素,而海藻生长在海水里,每天吸收无机元素作为营养成分。海藻的无机元素中以钠、钾、铁、钙含量最多。海藻死后沉积在海底,经过亿万年的积累和地质变迁成为海藻类沉积矿物质。海藻类沉积矿物质的矿物成份主要是蛋白石及其变种。海藻类沉积矿物质通常呈浅黄色或浅灰色,质软,多孔而轻,吸水性和渗透性强。颜色取决于粘土矿物及有机质等,不同矿源海藻类矿物成分不同。海藻泥的主要成分为硅藻土,这种特殊的土质由硅藻吸收水中的游离硅而形成多孔而坚固的细胞壁,经过逐年堆积产生的。一块巴掌大小的硅藻土原材拥有50―100万的超多孔质,吸附能力超过活性炭一千多倍,有利于净化空气。硅藻土的主要成分是硅酸质,其超微细孔比木炭还要多出5000到6000倍,硅藻土独具“分子筛”作用及物理吸附性能,利用离子还原的方式对有害物质进行吸附并分解出负氧离子OH-和H+。H+从微弱电流中得到电子产生氢气,OH-与水分子结合形成空气负氧离子。由于微电池自身的电极不对称性,因此在阴极能自发的、永久的释放负氧离子。其中,一部分负氧离子释放,使空气清新除出异味、分解VOC达到净化空气的作用。将藻类作为添加料的改性塑料膜和袋有利于塑料的环保降解,正是因为藻类能不断地释放负氧离子和含有过渡金属和其络合物这些能降解聚烯烃的催化促进剂。另外这种塑料膜、袋降解后不但对土壤和环境没污染,还可为土壤提供有益的营养成分。
以上结合实施方式对本发明进行了具体描述,但是本技术领域内的技术人员可以对这些实施方式作出多种变更或变化,这些变更和变化应落入本发明保护范围之内。
Claims (9)
1.一种以藻类为原料的塑料母料,其特征在于,所述的塑料母料由下列重量百分比的原料配制而成:藻类99~99.5% 、乳胶0.5—1.0%;
按选定的所述原料的重量百分比称取所述的藻类和乳胶,加入一定比例的离子水将所述的乳胶稀释,再将稀释后的乳液喷洒在所述的藻类上搅拌均匀后,送入造粒机造粒,造料温度控制在85—90 C°,制得所述的塑料母料。
2.一种以藻类为原料的塑料母料,其特征在于,所述的塑料母料由下列重量百分比的原料配制而成:藻类63—82% 、LLDPE 15—35%、PE蜡0—2%、表面活性剂硬脂酸1—5%、偶联剂铝酸酯0.4—2.5%;
按选定的所述原料的重量百分比称取所述的藻类、LLDPE 、PE蜡、表面活性剂硬脂酸和偶联剂铝酸酯,并添加在一起进行搅拌,搅拌均匀后,加入捏合机捏合分散,捏合温度为125—135C°,捏合时间为40分钟,再将捏合后的混合物倒出切成小块并冷却到室温,再将其投入造粒机制得所述的塑料母料。
3.如权利要求2所述的以藻类为原料的塑料母料,其特征在于,所述的造粒时的造粒机温度曲线是115 C°、115 C°、135 C°、135 C°、140 C°、135 C°、135 C°、125 C°、125 C°、135C。
4.一种以藻类为原料的塑料母料,其特征在于,所述的塑料母料由下列重量百分比的原料配制而成:藻粉55—76%、EVA 20—40%、石蜡0.5—3%、表面活性剂硬脂酸1.5—3.0%、偶联剂铝酸酯0.4—1.5%、 PE弹性体1.0—3.0%、天然橡胶0.5—3.0%;
按选定的所述原料的重量百分比称取所述的藻类、EVA、石蜡、表面活性剂硬脂酸、偶联剂铝酸酯、 PE弹性体和天然橡胶,并添加在一起进行搅拌,搅拌均匀后,加入捏合机捏合分散,捏合温度为125C°,捏合时间为40分钟;将捏合后的混合物倒出切成小块冷却到室温,再将其投入造粒机制得所述的塑料母料。
5.如权利要求4所述的以藻类为原料的塑料母料,其特征在于,所述的造粒时的造粒机温度曲线是115 C°、115 C°、125 C°、125 C°、130 C°、125 C°、125 C°、135 C°、125 C°、125C°。
6.一种以藻类为原料的塑料母料,其特征在于,所述的塑料母料由下列重量百分比的原料配制而成:藻类30—65% 、PP 30—65%、PP蜡0—2%、表面活性剂硬脂酸0.5—3.0%、偶联剂铝酸酯0.3—0.8%、钛酸酯0.3—0.8%、氧化锌0.1—0.8%;
按选定的所述原料的重量百分比称取所述的藻类、PP、PP蜡、表面活性剂硬脂酸、偶联剂铝酸酯、钛酸酯和氧化锌,并添加在一起进行搅拌,搅拌均匀后,加入捏合机捏合分散,捏合温度为135C°,捏合时间为40分钟;将捏合后的混合物倒出切成小块冷却到室温,再将其投入造粒机制得所述的塑料母料。
7.如权利要求6所述的以藻类为原料的塑料母料,其特征在于,所述的造粒时的造粒机温度曲线是120 C°、120 C°、125 C°、125 C°、130 C°、125 C°、125 C°、120C°、120 C°、125C°。
8.如权利要求1至7任一项所述的以藻类为原料的塑料母料,其特征在于,所述的藻类包括淡水藻类、海水藻类、藻类的沉淀物、海藻泥土或硅藻泥土中的至少一种。
9.如权利要求8所述的以藻类为原料的塑料母料,其特征在于,所述的藻类为经清洗、烘干、粉碎、去除盐分加工成800—10000目的粉末。
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卢秋余: "硅藻土在乳胶丝胶乳中的应用研究", 《橡胶科技》 * |
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CN112898605A (zh) * | 2021-03-22 | 2021-06-04 | 周兴葵 | 一种海藻母粒及eva发泡的制作方法 |
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