CN111851138B - 一种反相乳化法制备生物质基材料抗热水乳液的方法 - Google Patents
一种反相乳化法制备生物质基材料抗热水乳液的方法 Download PDFInfo
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Abstract
本公开提供了一种反相乳化法制备生物质基材料抗热水乳液的方法,包括以下步骤:1)将一定量的丁腈乳液与巴西棕榈蜡、聚乙烯蜡、烷基烯酮二聚体、聚丙烯弹性体、聚丙烯乳液按照一定的比例在高温下熔融,备用;2)将一定量的亚甲基双萘磺酸钠溶于200g水中,升温至80‑85℃,备用;3)将熔融的上述1)中的混合液搅拌,缓慢加入20g亚甲基双萘磺酸钠水溶液,剪切5分钟生成W/O乳液;提高搅拌速度,缓慢将剩余的亚甲基双萘磺酸钠水溶液加入,使W/O乳液转相成O/W乳液,剪切10分钟,快速将制备的乳液冷却、出料。本公开得到的施胶乳液用于生物质基材料的浆内施胶,能够很好起到耐热性,提高施胶效果,且产品对环境无危害。
Description
技术领域
本公开涉及精细化学品的领域,尤其涉及一种反相乳化法制备生物质基材料抗热水乳液的方法。
背景技术
近几年,全球范围内掀起限塑令,使得高分子基材料的应用受到限制,而纤维基材料由于可降解性能、可再生、对环境无害、易回收等性能逐渐引起人们的重视,以纤维为基材制备一次性餐盒、一次性纸杯、可降解包装袋等产品受到消费者的青睐。但是纤维基材料本身也有一定的缺点,材料的抗液体渗透能力及强度相对于高分子材料要差一些,尤其是在抗过热液体的渗透方面是纤维基材料的一大缺陷。目前解决这一问题的主要途径是淋膜,这不利于纤维基材料的回收。
发明内容
本公开提供了一种反相乳化法制备生物质基材料抗热水乳液的方法,应用在纤维基模塑材料中,以解决纤维基材料抗液体渗透性能差的问题。
根据本公开的一个方面,一种反相乳化法制备生物质基材料抗热水乳液的方法,包括以下步骤:
步骤一、将一定量的(高腈45%)丁腈乳液与巴西棕榈蜡、聚乙烯蜡、烷基烯酮二聚体(AKD)、聚丙烯弹性体(POE)、聚丙烯乳液按照一定的比例在高温下熔融,备用,制得混合物,上述混合物的质量为40-70g;
步骤二、将一定量的亚甲基双萘磺酸钠溶于200g水中,升温至80-85℃,制得亚甲基双萘磺酸钠水溶液,备用;
步骤三、将熔融的所述步骤一的混合物在700-800r/min速度下搅拌,缓慢加入20g所述亚甲基双萘磺酸钠水溶液,将剪切速度提高到4000-5000r/min,剪切5分钟生成W/O乳液;然后将剪切速度提高到10000-11000r/min,缓慢加入剩余的所述亚甲基双萘磺酸钠水溶液,使W/O乳液转相成O/W乳液,剪切10分钟后,快速将制备的乳液冷却、出料,制得抗热水乳液。
根据本公开的至少一个实施方式,所述步骤一中,所述丁腈乳液固含量为40-50%。
根据本公开的至少一个实施方式,所述步骤一中,所述聚丙烯乳液的固含量为30-50%。
根据本公开的至少一个实施方式,所述步骤一中,所述丁腈乳液:所述巴西棕榈蜡:所述聚乙烯蜡:所述烷基烯酮二聚体:所述聚丙烯弹性体:所述聚丙烯乳液的质量比为20:(5-15):(5-10):(5-15):(3-5):(2-5)。
根据本公开的至少一个实施方式,所述步骤一中,熔融温度为120℃-150℃。
根据本公开的至少一个实施方式,所述步骤二中,所述亚甲基双萘磺酸钠的质量为0.2-1g。
根据本公开的至少一个实施方式,所述步骤一中,所述丁腈乳液固含量为50%,所述聚丙烯乳液的固含量为40%,所述丁腈乳液:所述巴西棕榈蜡:所述聚乙烯蜡:所述烷基烯酮二聚体:所述聚丙烯弹性体:所述聚丙烯乳液的质量比为20:15:10:15:5:5,熔融温度为150℃;所述步骤二中,所述亚甲基双萘磺酸钠的质量为1g。
采用上述技术方案后,本公开具有以下有益效果:
1)本公开得到的抗水乳液用于纤维基材料的浆内施胶,能够很好的起到抗液体渗透的能力,尤其是抗过热液体的渗透性能,可以替代传统的淋膜工艺。
2)本公开所用的乳化剂丁腈乳液本身就有耐热性,性对于传统的乳化剂,更能提高制备的乳液的耐热性能,并且本乳化无毒、无害、废弃纤维回收容易,对环境无危害。
具体实施方式
下面结合实施方式对本公开作进一步的详细说明。可以理解的是,此处所描述的具体实施方式仅用于解释相关内容,而非对本公开的限定。
需要说明的是,在不冲突的情况下,本公开中的实施方式及实施方式中的特征可以相互组合。下面将参考实施方式来详细说明本公开。
实施例1
将20g固含量为40%的(高腈45%)丁腈乳液,5g巴西棕榈蜡、5g聚乙烯蜡、5g烷基烯酮二聚体(AKD)、3g聚丙烯弹性体(POE)、2g固含量为30%的聚丙烯乳液加入到烧杯中,升温至120℃熔融,将0.2g的亚甲基双萘磺酸钠溶于200g水中,升温至80℃,备用;将熔融的油相及乳化剂在700r/min速度下搅拌,缓慢加入20g亚甲基双萘磺酸钠水溶液,将剪切速度提高到4000r/min,剪切5分钟生成W/O乳液;然后将剪切速度提高到10000r/min,缓慢加入剩余的亚甲基双萘磺酸钠水溶液,使W/O乳液转相成O/W乳液,然后剪切10分钟后,快速将制备的乳液冷却、出料得到耐热性施胶乳液(抗热水乳液)。
实施例2
将20g固含量为45%的(高腈45%)丁腈乳液,10g巴西棕榈蜡、8g聚乙烯蜡、10g烷基烯酮二聚体(AKD)、4g聚丙烯弹性体(POE)、4g固含量为35%的聚丙烯乳液加入到烧杯中,升温至130℃熔融,将0.5g的亚甲基双萘磺酸钠溶于200g水中,升温至82℃,备用;将熔融的油相及乳化剂在800r/min速度下搅拌,缓慢加入20g亚甲基双萘磺酸钠水溶液,将剪切速度提高到4500r/min,剪切5分钟生成W/O乳液;然后将剪切速度提高到11000r/min,缓慢加入剩余的亚甲基双萘磺酸钠水溶液,使W/O乳液转相成O/W乳液,然后剪切10分钟后,快速将制备的乳液冷却、出料得到耐热性施胶乳液(抗热水乳液)。
实施例3
将20g固含量为50%的(高腈45%)丁腈乳液,15g巴西棕榈蜡、10g聚乙烯蜡、15g烷基烯酮二聚体(AKD)、5g聚丙烯弹性体(POE)、5g固含量为40%的聚丙烯乳液加入到烧杯中,升温至150℃熔融,将1g的亚甲基双萘磺酸钠溶于200g水中,升温至85℃,备用;将熔融的油相及乳化剂在800r/min速度下搅拌,缓慢加入20g亚甲基双萘磺酸钠水溶液,将剪切速度提高到5000r/min,剪切5分钟生成W/O乳液;然后将剪切速度提高到11000r/min,缓慢加入剩余的亚甲基双萘磺酸钠水溶液,使W/O乳液转相成O/W乳液,然后剪切10分钟后,快速将制备的乳液冷却、出料得到耐热性施胶乳液(抗热水乳液)。
对比例1
将20g固含量为50%的(高腈45%)丁腈乳液,20g半精炼石蜡加入到烧杯中,升温至150℃熔融,将1g的亚甲基双萘磺酸钠溶于200g水中,升温至85℃,备用;将熔融的油相及乳化剂在800r/min速度下搅拌,缓慢加入20g亚甲基双萘磺酸钠水溶液,将剪切速度提高到5000r/min,剪切5分钟生成W/O乳液;然后将剪切速度提高到11000r/min,缓慢加入剩余的亚甲基双萘磺酸钠水溶液,使W/O乳液转相成O/W乳液,然后剪切10分钟后,快速将制备的乳液冷却、出料得到施胶乳液。
对比例2
将20g阳离子淀粉醚乳化剂与15g巴西棕榈蜡、10g聚乙烯蜡、15g烷基烯酮二聚体(AKD)、5g聚丙烯弹性体(POE)、5g40%的聚丙烯乳液加入到烧杯中,升温至150℃熔融,将1g的亚甲基双萘磺酸钠溶于200g水中,升温至85℃,备用;将熔融的油相及乳化剂在800r/min速度下搅拌,缓慢加入20g亚甲基双萘磺酸钠水溶液,将剪切速度提高到5000r/min,剪切5分钟生成W/O乳液;然后将剪切速度提高到11000r/min,缓慢加入剩余的亚甲基双萘磺酸钠水溶液,使W/O乳液转相成O/W乳液,然后剪切10分钟后,快速将制备的乳液冷却、出料得到施胶乳液。
试验例:1.采用本发明实施例1-3的施胶乳液、对比例1、2所得施胶乳液以及市售抗热水乳液分别进行浆内施胶实验,结果见表1。
表1乳液的施胶效果
通过对施胶度进行检测发现,采用本公开制备的乳液,无论抗热水还是抗冷水渗透,均比市售效果好。
通过对比可以看出,本公开通过丁腈乳液来乳化石蜡等油相,极大的提高了抗热水渗透的效果。
在本说明书的描述中,参考术语“一个实施例/方式”、“一些实施例/方式”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例/方式或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例/方式或示例中。在本说明书中,对上述术语的示意性表述不必须针对的是相同的实施例/方式或示例。而且,描述的具体特征、结构、材料或者特点可以在任一个或多个实施例/方式或示例中以合适的方式结合。此外,在不相互矛盾的情况下,本领域的技术人员可以将本说明书中描述的不同实施例/方式或示例以及不同实施例/方式或示例的特征进行结合和组合。
本领域的技术人员应当理解,上述实施方式仅仅是为了清楚地说明本公开,而并非是对本公开的范围进行限定。对于所属领域的技术人员而言,在上述公开的基础上还可以做出其它变化或变型,并且这些变化或变型仍处于本公开的范围内。
Claims (6)
1.一种反相乳化法制备生物质基材料抗热水乳液的方法,其特征在于,包括以下步骤:
步骤一、将一定量的丁腈乳液与巴西棕榈蜡、聚乙烯蜡、烷基烯酮二聚体、聚丙烯弹性体、聚丙烯乳液按照一定的比例在高温下熔融,备用,制得混合物,上述混合物的质量为40-70g;所述丁腈乳液:所述巴西棕榈蜡:所述聚乙烯蜡:所述烷基烯酮二聚体:所述聚丙烯弹性体:所述聚丙烯乳液的质量比为20:(5-15):(5-10):(5-15):(3-5):(2-5);
步骤二、将一定量的亚甲基双萘磺酸钠溶于200g水中,升温至80-85℃,制得亚甲基双萘磺酸钠水溶液,备用;
步骤三、将熔融的所述步骤一的混合物在700-800r/min速度下搅拌,缓慢加入20g所述亚甲基双萘磺酸钠水溶液,将剪切速度提高到4000-5000r/min,剪切5分钟生成W/O乳液;然后将剪切速度提高到10000-11000r/min,缓慢加入剩余的所述亚甲基双萘磺酸钠水溶液,使W/O乳液转相成O/W乳液,剪切10分钟后,快速将制备的乳液冷却、出料,制得抗热水乳液。
2.如权利要求1所述制备生物质基材料抗热水乳液的方法,其特征在于,所述步骤一中,所述丁腈乳液固含量为40-50%。
3.如权利要求1所述制备生物质基材料抗热水乳液的方法,其特征在于,所述步骤一中,所述聚丙烯乳液的固含量为30-50%。
4.如权利要求1所述制备生物质基材料抗热水乳液的方法,其特征在于,所述步骤一中,熔融温度为120℃-150℃。
5.如权利要求1所述制备生物质基材料抗热水乳液的方法,其特征在于,所述步骤二中,所述亚甲基双萘磺酸钠的质量为0.2-1g。
6.如权利要求1所述制备生物质基材料抗热水乳液的方法,其特征在于,所述步骤一中,所述丁腈乳液固含量为50%,所述聚丙烯乳液的固含量为40%,所述丁腈乳液:所述巴西棕榈蜡:所述聚乙烯蜡:所述烷基烯酮二聚体:所述聚丙烯弹性体:所述聚丙烯乳液的质量比为20:15:10:15:5:5,熔融温度为150℃;所述步骤二中,所述亚甲基双萘磺酸钠的质量为1g。
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