CN107714508A - 含聚乙烯醇微粒的清洁乳、其制造方法及其应用 - Google Patents
含聚乙烯醇微粒的清洁乳、其制造方法及其应用 Download PDFInfo
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Abstract
本发明公开一种含聚乙烯醇微粒的清洁乳、其制造方法及其应用，其包含一聚乙烯醇微粒均匀分布于一清洁乳中，其中：该清洁乳含水率介于0.1～23wt％之间，并包含一界面活性剂；该聚乙烯醇微粒于于该清洁乳中的比例介于0.5～5wt％；该聚乙烯醇微粒中包含分子量介于110,000～120,000的聚乙烯醇50～95wt％与甘油0.5～50wt％；该聚乙烯醇微粒于该清洁乳中保持完整微粒状态。本发明的含聚乙烯醇微粒于清洁乳中不会被水解或分解，保持微粒或颗粒状态，可用于摩擦皮肤或清洁代谢老废角质的作用，而当该聚乙烯醇微粒冲入下水道时，大量水份即会将该聚乙烯醇微粒水解或分解并消失，减少污染环境或伤害海洋生物。
Description
技术领域
本发明涉及一种清洁乳，特别是一种含聚乙烯醇微粒的清洁乳。
背景技术
目前市面上部分标榜可去角质或亮白的洗面奶、去角质产品或牙膏等，皆含有聚乙烯(Polyethylene,PE)或聚丙烯(Polypropylene,PP)制的塑料柔珠，其作用是借由该塑料柔珠与皮肤或牙齿表面摩擦后，达到代谢皮肤老废角质、清除齿垢的功效，使皮肤洁净光滑与牙齿美丽亮白。
因为上述该塑料柔珠的优点，越来越多厂商开发出相关产品的应用，但是随着含有该塑料柔珠的产品使用时间越长，其背后隐藏的生态危机与人类健康浩劫正一点一滴的伤害着我们。
由于洗面奶、去角质产品特性的需求，该塑料柔珠多半被制造的极为细小并大量添于产品中，据估计每罐120mL的洗面奶中，内含的塑料柔珠就高达36万颗，这些数以万计的塑料柔珠一旦随着下水道进入到河川或海洋，几百或几千年都不会被分解消失，再加上塑料柔珠非常小，密度又不高，会悬浮在水中，导致净水场无法有效处理，当吸附许多肮脏物质或毒性物质的塑料柔珠随着污水流到河川或海洋后，不仅造成地球水资源的污染外，该塑料柔珠随着食物链自可食用的海洋生物回到人体内，使得无法分解的塑料、重金属或毒素转而累积在人体，影响人类的健康。
现阶段虽有天然纤维颗粒作为替代性产品，但是天然纤维颗粒的成本较高，颗粒大小或精细度较难以掌控，替代性有限。
发明内容
为了解决上述既有泛用塑料所制成的塑料柔珠无法分解所造成的环境污染、人类危害，以及替代性的天然纤维颗粒成本较高、颗粒大小或精细度较难掌控等种种问题，本发明提供一种含聚乙烯醇微粒的清洁乳，其包含一聚乙烯醇微粒均匀分布于一清洁乳中，其中：该清洁乳的含水率介于0.1～23％之间，并包含一界面活性剂；该聚乙烯醇微粒于于该清洁乳中的比例介于0.5～5wt％；该聚乙烯醇微粒中包含分子量为110,000～120,000之间的聚乙烯醇50～95wt％与甘油0.5～50wt％；以及该聚乙烯醇微粒于该清洁乳中保持完整微粒状态。
其中，该清洁乳中进一步含色料或香精。
其中，该界面活性剂包含阴离子型界面活性剂、阳离子型界面活性剂、非离子型界面活性剂或两性型界面活性剂。
本发明进一步提供一种含聚乙烯醇微粒的清洁乳制造方法，其步骤包含：将聚乙烯醇微粒50～95wt％与甘油0.5～50wt％以高低速混合机混合，使该聚乙烯醇微粒吸收该甘油并澎润；研磨该聚乙烯醇微粒使其表面圆滑；以及将研磨后的该聚乙烯醇微粒与一清洁乳混合而得该含聚乙烯醇微粒的清洁乳。
本发明的含聚乙烯醇微粒的清洁乳可运用于洗面奶、去角质乳或牙膏。
本发明的聚乙烯醇微粒于特定含水量的清洁乳中，不会被水解或分解，并保持微粒或颗粒状态，可用于摩擦皮肤或清洁代谢老废角质的作用，而当该聚乙烯醇微粒冲入下水道时，大量水份即会将该聚乙烯醇微粒水解或分解并消失，减少污染环境或伤害海洋生物的问题。
相对于既有天然纤维颗粒成本较高，颗粒大小或精细度较难以掌控的问题，本发明可借由一般塑料制程，大量制造出大小均一且精细度一致的聚乙烯醇微粒，成本较为低廉。
附图说明
图1为本发明的制备步骤流程图。
具体实施方式
请参考图1，本发明的制造方法一较佳实施例，其步骤包含：
步骤1：将一聚乙烯醇(Polyvinyl alcohol,PVA)原料微粒及一甘油(丙三醇,Glycerine,GC)以高低速混合机混合，使该聚乙烯醇原料微粒浸润于甘油中并吸收该甘油，使该聚乙烯醇原料微粒澎润形成一聚乙烯醇微粒，其中，吸收该甘油后的该聚乙烯醇微粒中，聚乙烯醇及该甘油的比例为聚乙烯醇50～95wt％及甘油0.5～50wt％。前述所谓的澎润是指该聚乙烯醇微粒的体积增加、质地变柔软、表面较原本光滑与棱角较不明显。
由于目前聚乙烯醇原料微粒的大小约在100目数(mesh)，颗粒小、质地非常坚硬且有棱有角，但本发明将聚乙烯醇原料微粒与甘油共同浸润后，聚乙烯醇原料微粒会吸收甘油，使微粒较为澎润且柔细圆滑，较不坚硬锐利，粒径约增加到70～80目数(mesh)减少对使用者的皮肤产生伤害又同时可达到去除老废角质的目的。
步骤2：依据需求添加功能性添加剂参与混合，例如色料、香料、香精等。
步骤3：研磨上述混合完成的该聚乙烯醇微粒，使其表面更为平整光滑，减少对肌肤摩擦的刺激或伤害。
步骤4：将步骤3研磨完成后的该聚乙烯醇微粒与含有一界面活性剂的一清洁乳均匀混合其中，该清洁乳的含水率较佳介于0.1～23wt％之间，并进一步地可以含有色料、螯合剂、防腐剂或香精等添加剂，该界面活性剂包含阴离子型界面活性剂、阳离子型界面活性剂、非离子型界面活性剂或两性型界面活性剂。
由于聚乙烯醇是一种水溶性的高分子，为了使该聚乙烯醇颗粒于含水份的该清洁乳中保持完整微粒状态，不被该清洁乳中所含的水份水解或分解，该聚乙烯醇颗粒中的该聚乙烯醇分子量(聚合度)较佳介于110,000～120,000道尔顿(Dalton,D)之间，随着分子量(聚合度)越高，黏度也越高，溶解性也相对下降，可以借由调整该聚乙烯醇微粒的分子量大小，调整其水溶的速率，且此分子量之间的聚乙烯醇拥有最好的甘油吸收、澎润效果与产品质量，使本发明使用时，该聚乙烯醇微粒可以维持完整的颗粒状态，提供使用者皮肤摩擦清洁与去除老废角质的功用且不会产生过度摩擦或颗粒粗糙导致的皮肤伤害，而当该聚乙烯醇微粒被冲入下水道时，大量(大于该清洁乳中的含水量23wt％)的水份即可将该聚乙烯醇微粒水解或分解，不会伤害环境或积存在海洋生物体内。
当使用者用于摩擦清洁皮肤时，通常会将含有该聚乙烯醇颗粒的清洁乳自包装容器中舀出或挤出，并加入少许的水份使该清洁乳中的界面活性剂产生泡沫，利用该泡沫中所含有的该聚乙烯醇颗粒来搓揉、摩擦皮肤，达到清洁去角质的目的，而此时，该泡沫中可能含有大于23wt％的水份含量，或甚至是高达50～60wt％，而本发明使用较高分子量的该聚乙烯醇颗粒除了在含有23wt％水份的该清洁乳中可以长时间保持完整微粒状态外，在较高水份含量的状态下，并不会马上水溶，而是会自外层慢慢溶解，时间约可达到2-3分钟依然保持颗粒状态，当使用者清洗完成后，将该泡沫连同该聚乙烯醇微粒冲至含有大量水份的下水道，或甚至是完全的浸泡于下水道的水中，该聚乙烯醇微粒就会完全被水解或分解并消失于环境当中。
而本发明所使用的该聚乙烯醇微粒中所含有的聚乙烯醇与甘油皆是对人体或环境无害的成分，即使排放到环境中，依然不会产生环境污染或海洋生物的伤害。
请参考表1，本发明的该聚乙烯醇原料微粒(粒径大小约100mesh，聚乙烯醇分子量约110,000～120,000之间)与该甘油混合时，该甘油的添加比例(wt％)、对应该聚乙烯醇微粒澎润后体积膨胀倍数与该聚乙烯醇微粒的外观触感。
表1
借由上述说明可知，本发明利用水可溶的聚乙烯醇制成微粒，添加于洗面奶、去角质产品或牙膏中，因为水可溶的特性，即便随着清洗的污水流到河川或海洋，也很快的会在水中溶化消失，减少环境污染或甚至是进入食物链的问题。
Claims (7)
1.一种含聚乙烯醇微粒的清洁乳，其特征在于，其包含一聚乙烯醇微粒均匀分布于一清洁乳中，其中：
该清洁乳的含水率介于0.1～23wt％之间，并包含一界面活性剂；
该聚乙烯醇微粒于于该清洁乳中的比例介于0.5～5wt％；
该聚乙烯醇微粒中包含分子量介于110,000～120,000道尔顿的聚乙烯醇50～95wt％与甘油0.5～50wt％；以及
该聚乙烯醇微粒于该清洁乳中保持完整微粒状态。
2.根据权利要求1所述的含聚乙烯醇微粒的清洁乳，其特征在于，该清洁乳中进一步含色料或香精。
3.根据权利要求1所述的含聚乙烯醇微粒的清洁乳，其特征在于，该界面活性剂包含阴离子型界面活性剂、阳离子型界面活性剂、非离子型界面活性剂或两性型界面活性剂。
4.一种含聚乙烯醇微粒的清洁乳制造方法，其特征在于，其步骤包含：
将聚乙烯醇微粒50～95wt％与甘油0.5～50wt％以高低速混合机混合，使该聚乙烯醇微粒吸收该甘油并澎润；
研磨该聚乙烯醇微粒使其表面圆滑；以及
将研磨后的该聚乙烯醇微粒与一清洁乳混合而得该含聚乙烯醇微粒的清洁乳。
5.一种洗面奶，其特征在于，其含水率介于0.1～23wt％之间并含权利要求1～3中任意一项所述的聚乙烯醇微粒，该聚乙烯醇微粒于该清洁乳中保持完整微粒状态。
6.一种去角质乳，其特征在于，其含水率介于0.1～23wt％之间并含权利要求中任意一项1～3所述的聚乙烯醇微粒，该聚乙烯醇微粒于该清洁乳中保持完整微粒状态。
7.一种牙膏，其特征在于，其含水率介于0.1～23wt％之间并含权利要求1～3中任意一项所述的聚乙烯醇微粒，该聚乙烯醇微粒于该清洁乳中保持完整微粒状态。
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| TW105125532A TWI616524B (zh) | 2016-08-11 | 2016-08-11 | 含聚乙烯醇微粒的清潔乳、其製造方法及其應用 |
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| CN108938454B (zh) * | 2018-04-17 | 2020-08-04 | 江南大学 | 一种球状脱脂棉纤维素颗粒及其应用 |
| EP4066903A4 (en) | 2019-11-25 | 2024-01-03 | Kao Corporation | SKIN CLEANSER |
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| Publication number | Publication date |
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| TWI616524B (zh) | 2018-03-01 |
| JP6659632B2 (ja) | 2020-03-04 |
| CN107714508B (zh) | 2020-12-11 |
| TW201805412A (zh) | 2018-02-16 |
| JP2018030836A (ja) | 2018-03-01 |
| PL3281622T3 (pl) | 2021-08-30 |
| US20180042833A1 (en) | 2018-02-15 |
| ES2880434T3 (es) | 2021-11-24 |
| EP3281622B1 (en) | 2021-06-02 |
| PT3281622T (pt) | 2021-06-15 |
| EP3281622A1 (en) | 2018-02-14 |
| DK3281622T3 (da) | 2021-06-14 |
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