KR102425292B1 - Cosmetics composition containing powder - Google Patents

Cosmetics composition containing powder Download PDF

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KR102425292B1
KR102425292B1 KR1020200071802A KR20200071802A KR102425292B1 KR 102425292 B1 KR102425292 B1 KR 102425292B1 KR 1020200071802 A KR1020200071802 A KR 1020200071802A KR 20200071802 A KR20200071802 A KR 20200071802A KR 102425292 B1 KR102425292 B1 KR 102425292B1
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powder
cosmetic composition
composition containing
dispersibility
edta
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KR20200073185A (en
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김선영
김일구
최승만
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주식회사 엘지생활건강
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/02Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0216Solid or semisolid forms
    • A61K8/022Powders; Compacted Powders
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/02Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04Dispersions; Emulsions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34Alcohols
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8141Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • A61K8/8152Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin

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  • Dispersion Chemistry (AREA)
  • Cosmetics (AREA)

Abstract

본 발명은 파우더를 함유한 화장료에 관한 것으로, 더 자세하게는 폴리메틸메타크릴레이트 0.5 wt% 내지 5 wt%, 염 0.1 wt% 내지 1 wt% 및 EDTA 0.02 내지 0.04 wt%를 함유한 수분산성이 향상된 파우더를 함유한 가용화 화장료 조성물에 관한 것이다. 이에 따른, 파우더를 함유한 화장료 조성물은 파우더 간의 응집력을 억제하며 수분산성을 향상시키는 효과가 있다. The present invention relates to a cosmetic containing powder, and more particularly, polymethyl methacrylate 0.5 wt% to 5 wt%, salt 0.1 wt% to 1 wt%, and EDTA 0.02 to 0.04 wt% improved water dispersibility It relates to a solubilized cosmetic composition containing powder. Accordingly, the cosmetic composition containing the powder has the effect of suppressing the cohesive force between the powders and improving the water dispersibility.

Description

파우더를 함유한 화장료 조성물{Cosmetics composition containing powder}Cosmetic composition containing powder

본 발명은 파우더를 함유한 화장료 조성물에 관한 것으로, 더 자세하게는 폴리메틸메타크릴레이트 0.5 wt% 내지 5 wt%, 염 0.3 wt% 내지 1 wt% 및 EDTA 0.02 wt% 내지 0.04 wt%를 함유한 수분산성이 향상된 파우더를 함유한 가용화 화장료 조성물에 관한 것이다.The present invention relates to a cosmetic composition containing powder, and more particularly, moisture containing 0.5 wt% to 5 wt% of polymethylmethacrylate, 0.3 wt% to 1 wt% of salt, and 0.02 wt% to 0.04 wt% of EDTA It relates to a solubilized cosmetic composition containing powder with improved acidity.

기초 화장품류에서 불용성인 파우더류는 부드러운 마무리감을 줄 수 있어 그 사용이 점점 증가하고 있는 추세이다. 특히 저점도 가용화 타입 화장품에 불용성 파우더를 분사시켜 제조한 화장수는 특별한 사용감과 효능으로 인해 지성피부용으로 최근 사용이 증가 되고 있다. Powders, which are insoluble in basic cosmetics, can give a soft finish, so their use is increasing. In particular, lotions prepared by spraying insoluble powder on low-viscosity solubilizing type cosmetics have been increasingly used for oily skin due to their special feeling and efficacy.

파우더는 그 특유의 사용감으로 화장품의 끈적이는 사용감을 없애줄 수 있으며, 흡유력이 있는 파우더의 사용을 통해 지성 피부의 피지를 줄여주는 역할을 할 수 있다. 또한, 파우더 내에 기능성 물질을 흡착하여 사용하거나 새로운 기능성 파우더의 사용을 통해 신기능을 가지는 가용화 타입 화장수를 제조할 수 있다. Powder can eliminate the sticky feeling of cosmetics with its unique feeling of use, and it can play a role in reducing sebum on oily skin by using powder with oil absorption. In addition, a solubilization type lotion having a new function can be prepared by adsorbing and using a functional substance in the powder or by using a new functional powder.

그러나 파우더 수분산 기술을 이용한 저점도 가용화 타입 화장품의 경우 파우더의 응집에 대한 문제를 해결하기 쉽지 않아 오랜 시간이 지나면 덩어리로 뭉치고 재분산이 잘 일어나지 않는 문제가 있는 것이 사실이다. 이는 친수성이 너무 낮아 물에 분산되기 어려운 파우더나 파우더 표면간에 작용하는 응집력이 강한 파우더에서 나타나는 현상이며 이는 제품의 품질을 떨어뜨리는 결정적인 역할을 한다. 기존 많은 연구에서 크기 또는 극성과 연관하여 파우더의 수분산에 관한 연구가 진행되었으나 화장품 조성물에 적용하기 위한 연구가 부족하다. However, in the case of low-viscosity solubilizing type cosmetics using powder water dispersion technology, it is not easy to solve the problem of powder agglomeration, so it is true that there is a problem that it clumps into lumps after a long time and redispersion does not occur well. This is a phenomenon that occurs in powders that are too hydrophilic to be dispersed in water or powders with strong cohesion between the powder surfaces, and this plays a decisive role in lowering the quality of the product. In many existing studies, studies on water dispersion of powders in relation to size or polarity have been conducted, but studies for application to cosmetic compositions are lacking.

이에, 본 발명자들은 파우더의 응집 현상을 억제한 가용화 타입 화장품을 연구하던 중, 에스테르기를 가진 다공성 고분자, 염기화합물 및 항응고제를 첨가함으로써 파우더의 응집 현상이 억제되고 수분산성이 향상된 것을 확인하여 본 발명을 완성하였다.Therefore, the present inventors confirmed that the aggregation phenomenon of powder was suppressed and water dispersibility was improved by adding a porous polymer having an ester group, a basic compound, and an anticoagulant while researching a solubilization type cosmetic that suppressed the aggregation of powder. completed.

본 발명의 목적은 폴리메틸메타크릴레이트, 염 및 EDTA를 첨가함으로써 파우더 간의 응집력이 억제된 수분산성이 향상된 파우더를 함유하는 화장료 조성물을 제공하는 것이다. It is an object of the present invention to provide a cosmetic composition containing a powder with improved water dispersibility in which cohesive force between powders is suppressed by adding polymethyl methacrylate, a salt and EDTA.

상기의 과제를 해결하기 위하여, 본 발명은 파우더를 함유한 화장료 조성물에 있어서, 폴리메틸메타크릴레이트(PMMA, polymethyl methacrylate)를 화장료 조성물 총 중량에 대하여 0.5 wt% 내지 5 wt%로 함유하는 것을 특징으로 하는 파우더를 함유하는 화장료 조성물을 제공한다. In order to solve the above problems, the present invention is characterized in that in the cosmetic composition containing the powder, polymethyl methacrylate (PMMA, polymethyl methacrylate) is contained in an amount of 0.5 wt% to 5 wt% based on the total weight of the cosmetic composition. It provides a cosmetic composition containing the powder.

또한, 상기 파우더를 함유하는 화장료 조성물은 염화나트륨(NaCl), 염화칼륨(KCl) 및 황산마그네슘(MgSO4)으로 이루어진 군으로부터 선택되는 1종 이상의 염을 화장료 조성물 총 중량 대비 0.1 wt% 내지 1 wt%로 함유하는 것이 바람직하나, 이에 제한되는 것은 아니다. In addition, the cosmetic composition containing the powder contains at least one salt selected from the group consisting of sodium chloride (NaCl), potassium chloride (KCl) and magnesium sulfate (MgSO 4 ) 0.1 wt% to 1 wt% of the total weight of the cosmetic composition It is preferable to contain, but is not limited thereto.

상기 파우더를 함유하는 화장료 조성물은, EDTA(ethylenediaminetetraacetic acid)를 화장료 조성물 총 중량 대비 0.02 wt% 내지 0.04 wt%로 함유하는 것이 바람직하나, 이에 제한되는 것은 아니다. The cosmetic composition containing the powder preferably contains ethylenediaminetetraacetic acid (EDTA) in an amount of 0.02 wt% to 0.04 wt% based on the total weight of the cosmetic composition, but is not limited thereto.

본 발명의 일 실시예에 따르면, 폴리메틸메타크릴레이트, 염 및 EDTA를 첨가한 화장료 조성물은 파우더 간의 반발력을 향상시켜 응집 현상이 억제되었으며, 이에 수분산성이 향상되는 효과를 나타내었다. According to an embodiment of the present invention, the cosmetic composition containing polymethyl methacrylate, salt and EDTA improved the repulsive force between the powders to suppress agglomeration, and thus exhibited the effect of improving water dispersibility.

본 발명에 따른 파우더를 함유한 화장료 조성물은, 폴리메틸메타크릴레이트, 염 및 EDTA를 첨가함으로써 파우더 간의 응집력을 억제하며 수분산성을 향상시키는 효과가 있다. The cosmetic composition containing the powder according to the present invention has the effect of suppressing cohesion between powders and improving water dispersibility by adding polymethyl methacrylate, salt and EDTA.

도 1은, 본 발명의 일 실시예에 따른 파우더에 따른 화장료 조성물의 탁도를 분석한 결과 그래프이다.
도 2는, 본 발명의 일 실시예에 따른 PMMA-COCO-170 파우더의 SEM 이미지를 나타낸 것이다.
도 3은, 본 발명의 일 실시예에 따른 염이 첨가된 파우더 분산의 도식을 나타낸 것이다.
도 4는, 본 발명의 일 실시예에 따른 염 종류 및 염 함량에 따른 화장료 조성물의 탁도를 분석한 결과 그래프이다. .
도 5는, 본 발명의 일 실시예에 따른 EDTA를 첨가한 화장료 조성물의 탁도를 분석한 결과 그래프이다.
1 is a graph showing the result of analyzing the turbidity of a cosmetic composition according to a powder according to an embodiment of the present invention.
Figure 2 shows an SEM image of the PMMA-COCO-170 powder according to an embodiment of the present invention.
Figure 3 shows a schematic diagram of a powder dispersion to which a salt is added according to an embodiment of the present invention.
4 is a graph of the analysis result of turbidity of the cosmetic composition according to the salt type and salt content according to an embodiment of the present invention. .
5 is a graph of the result of analyzing the turbidity of the cosmetic composition to which EDTA is added according to an embodiment of the present invention.

이하, 하기 제조예 및 실시예에 의하여 본 발명을 더욱 상세하게 설명하고자 한다. 단, 하기 제조예 및 실시예는 본 발명을 예시하기 위한 것일 뿐 본 발명의 범위가 이들만으로 한정되는 것은 아니다. Hereinafter, the present invention will be described in more detail by the following Preparation Examples and Examples. However, the following preparation examples and examples are only for illustrating the present invention, and the scope of the present invention is not limited thereto.

실시예: PMMA를 함유한 가용화 화장료 조성물 제조Example: Preparation of solubilized cosmetic composition containing PMMA

사용된 시료는 화장품용 등급의 원료를 사용하였으며, 하기 표 1에 나타내었다. 시료에 사용된 증류수는 Direct-Q3 장치를 통과시킨 것을 사용하였다. The samples used were cosmetic grade raw materials, and are shown in Table 1 below. The distilled water used for the sample was passed through the Direct-Q3 device.

INCI nameINCI name product nameproduct name Producer/ditributorProducer/ditributor 메틸메타크릴레이트 가교폴리머Methyl methacrylate cross-linked polymer SUNPMMA-COCO-170SUNPMMA-COCO-170 SUNJIN CHEMICAL CO., LTD.(Korea)SUNJIN CHEMICAL CO., LTD. (Korea) 몬모릴로나이트montmorillonite Green clayGreen clay ARCLAY LLC Natural Technology(USA)ARCLAY LLC Natural Technology (USA) 폴리메틸 실세스퀴옥산polymethyl silsesquioxane Gransil PSQGransil PSQ Grant industries, INC.(USA)Grant industries, INC. (USA) 실리카silica Sunsil 130Sunsil 130 SUNJIN CHEMICAL CO., LTD.(Korea)SUNJIN CHEMICAL CO., LTD. (Korea) HDI/트리메틸올 헥실락톤 가교폴리머, 실리카HDI/trimethylol hexyllactone crosslinked polymer, silica Plastic Powder D-400Plastic Powder D-400 Tochiki Pigment CO., LTD.(Japan)Tochiki Pigment CO., LTD. (Japan) Nylon-12Nylon-12 ORGASOL(nylon powder 613)ORGASOL(nylon powder 613) ATOFINA(France)ATOFINA (France) 염화나트륨sodium chloride NaClNaCl 수정케미칼(Korea)Sujeong Chemical (Korea) 염화칼륨potassium chloride KClKCl 봉민케미칼(Korea)Bongmin Chemical (Korea) 황산마그네슘magnesium sulfate MgSO4 MgSO 4 KALI UND SALZ AG(Germany)KALI UND SALZ AG (Germany) 트리소듐 EDTATrisodium EDTA EDTA-3NaEDTA-3Na 제국화학(Japan)Imperial Chemicals (Japan) SD ALCOHOL 40-BSD ALCOHOL 40-B SDA 40B(ETHANOL)/0.808SDA 40B(ETHANOL)/0.808 ADM(USA)ADM (USA) PEG-40 HYDERGENATED CASTOR OILPEG-40 HYDERGENATED CASTOR OIL HCO-40HCO-40 NIKKOL(Japan)NIKKOL (Japan) 글리세린glycerin ELOGLYN R980ELOGLYN R980 엘지생활건강(Korea)LG Household & Health Care (Korea) 시트르산citric acid 함수구연산function arithmetic Chemicals PTL.(Germany)Chemicals PTL. (Germany) 시트르산나트륨sodium citrate 구연산나트륨sodium citrate YIXING Zhenfen Medical Chemi.(China)YIXING Zhenfen Medical Chemi.(China)

가용화 화장료 조성물은 에탄올상을 45℃에서 가열하여 상온으로 제조된 수상에 에탄올상을 가하는 방법으로 가용화한 후 교반하며 파우더를 첨가하여 제조하였다. 파우더의 함량을 하기 표 2에 나타내었다. The solubilized cosmetic composition was prepared by heating the ethanol phase at 45° C. to solubilize it by adding the ethanol phase to an aqueous phase prepared at room temperature, followed by stirring and adding powder. The content of the powder is shown in Table 2 below.

물질matter 실시예(wt%)Example (wt%) SD ALCOHOL 40-BSD ALCOHOL 40-B 5.05.0 PEG-40 HYDROGENATED CASTOR OILPEG-40 HYDROGENATED CASTOR OIL 0.30.3 글리세린glycerin 5.05.0 시트르산citric acid 0.020.02 시트라산나트륨sodium citrate 0.030.03 SUNPMMA-COCO-170SUNPMMA-COCO-170 1.01.0 증류수Distilled water To. 100To. 100

비교예comparative example 1 내지 5: 파우더 종류에 따른 1 to 5: depending on the type of powder 가용화solubilization 화장료cosmetics 조성물 제조 composition preparation

가용화 화장료 조성물은 에탄올상을 45℃에서 가열하여 상온으로 제조된 수상에 에탄올상을 가하는 방법으로 가용화한 후 교반하며 파우더를 첨가하여 제조하였다. 파우더의 함량을 하기 표 3에 나타내었다. The solubilized cosmetic composition was prepared by heating the ethanol phase at 45° C. to solubilize it by adding the ethanol phase to an aqueous phase prepared at room temperature, followed by stirring and adding powder. The content of the powder is shown in Table 3 below.

물질matter 비교예 1(wt%)Comparative Example 1 (wt%) 비교예 2(wt%)Comparative Example 2 (wt%) 비교예 3(wt%)Comparative Example 3 (wt%) 비교예 4(wt%)Comparative Example 4 (wt%) 비교예 5(wt%)Comparative Example 5 (wt%) SD ALCOHOL 40-BSD ALCOHOL 40-B 5.05.0 5.05.0 5.05.0 5.05.0 5.05.0 PEG-40 HYDROGENATED CASTOR OILPEG-40 HYDROGENATED CASTOR OIL 0.30.3 0.30.3 0.30.3 0.30.3 0.30.3 글리세린glycerin 5.05.0 5.05.0 5.05.0 5.05.0 5.05.0 시트르산citric acid 0.020.02 0.020.02 0.020.02 0.020.02 0.020.02 시트라산나트륨sodium citrate 0.030.03 0.030.03 0.030.03 0.020.02 0.030.03 ORGASOLORGASOL 1.01.0 -- -- -- -- Plastic powderplastic powder -- 1.01.0 -- -- -- Sunsil 130Sunsil 130 -- -- 1.01.0 -- -- Gransil PSQGransil PSQ -- -- -- 1.01.0 -- Green clayGreen clay -- -- -- -- 1.01.0 증류수Distilled water To. 100To. 100 To. 100To. 100 To. 100To. 100 To. 100To. 100 To. 100To. 100

실험예Experimental example : 수분산성 분석: Water dispersibility analysis

가용화 장치로는 일반 가용화기로 T.K. Robomix를 사용하였으며, 탁도 측정은 탁도 측정기 COH-200A를 사용하였다. SUNJIN Chemical Co., LTD.를 이용하여 SEM 사진을 측정하였다. As a solubilizer, the general solubilizer is T.K. Robomix was used, and turbidity measurement was performed using a turbidity meter COH-200A. SEM pictures were measured using SUNJIN Chemical Co., LTD.

상기 실시예 및 비교예에서 제조된 화장료 조성물의 종류에 따른 수상 내에서의 분산성을 분석하였다. 화장료 조성물 견본은 한달 동안 상온에서 외부의 충격을 받지 않게 보관하였으며, 한달 후에 견본을 거꾸로 하여 파우더가 재분산된 용액을 관찰하였다. 육안 관찰을 통해 1차적으로 분산성을 파악하였으며, 파우더의 분산성이 높으면 용액의 투명도가 낮아지는 현상을 이용하여 탁도 측정을 통해 분산성을 확인하였다. 탁도는 상온에서 탁도 측정기를 이용하여 측정하였으며, 하기의 식을 통해 계산하였다. Dispersibility in the aqueous phase according to the type of the cosmetic composition prepared in Examples and Comparative Examples was analyzed. The cosmetic composition sample was stored at room temperature without external impact for one month, and after one month, the sample was inverted and the powder redispersed solution was observed. Dispersibility was primarily identified through visual observation, and dispersibility was confirmed through turbidity measurement using a phenomenon in which the transparency of the solution decreases when the dispersibility of the powder is high. Turbidity was measured using a turbidity meter at room temperature, and was calculated using the following formula.

Figure 112020060804284-pat00001
Figure 112020060804284-pat00001

즉, 용액의 탁도가 높을수록 파우더의 수분산성은 높다고 판단할 수 있으며, 각 견본의 탁도는 3번 측정하여 그 평균값으로 결과를 얻었다. That is, it can be determined that the higher the turbidity of the solution, the higher the water dispersibility of the powder.

1) 파우더 종류에 따른 수분산성 연구1) Study on water dispersibility according to powder type

상기 실시예 및 비교예의 화장료 조성물에 대한 수분산성을 확인하였으며, 그 결과를 도 1에 나타내었다. 도 1에 나타난 바와 같이, ORGASOL(nylon powder 613)을 넣은 비교예 1의 화장료 조성물은 물과 파우더가 잘 섞이지 않고 시간이 경과 되어도 일부 파우더가 가라앉지 않는 경향을 보였다. 이 파우더의 경우 다른 파우더에 비하여 친수성이 매우 약해 물에 분산되는 능력이 매우 적음을 확인할 수 있었다. 그 외의 비교예 2, 비교예 3 및 비교예 4의 파우더는 파우더 간의 응집력이 커서 뭉쳐져 있는 덩어리가 생성되고 재분산성이 떨어지는 것을 확인하였다. 반면, PMMA-COCO-170 파우더를 함유한 실시예의 화장료 조성물은 적절한 친수성을 가지고 있으며, 비교예의 화장료 조성물들에 비하여 응집력이 크지 않아 뛰어난 재분산성을 보여주었다. 이는 하기 화학식 1과 같이 PMMA-COCO-170의 구조에서 보이는 에스테르기가 부분적인 극성을 가지고 있음으로 인해 파우더 간의 반발력을 증가시켜 응집현상을 줄여주는 역할을 하는 것으로 해석할 수 있다. Water dispersibility of the cosmetic compositions of Examples and Comparative Examples was confirmed, and the results are shown in FIG. 1 . As shown in FIG. 1 , the cosmetic composition of Comparative Example 1 in which ORGASOL (nylon powder 613) was added did not mix well with water and powder, and some powders did not settle even after time elapsed. In the case of this powder, it was confirmed that the hydrophilicity was very weak compared to other powders, so the ability to disperse in water was very small. In the powders of Comparative Examples 2, 3 and 4, it was confirmed that the powders of Comparative Example 2, Comparative Examples 3 and 4 had a large cohesive force between the powders, so that agglomerated masses were generated and redispersibility was poor. On the other hand, the cosmetic composition of the Examples containing PMMA-COCO-170 powder had adequate hydrophilicity, and showed excellent redispersibility because cohesive force was not large compared to the cosmetic compositions of Comparative Examples. This can be interpreted as playing a role in reducing agglomeration by increasing the repulsive force between the powders because the ester group shown in the structure of PMMA-COCO-170 has partial polarity as shown in Chemical Formula 1 below.

[화학식 1] [Formula 1]

Figure 112020060804284-pat00002
Figure 112020060804284-pat00002

또한, 도 2에 나타낸 바와 같이, PMMA-COCO-170이 다공성 구조를 가지고 있으므로 그 접촉 면적이 넓어 극성에 의한 반발력이 더욱 커져 분산능이 증가하는 것으로 생각할 수 있다. 일반 PMMA 파우더에 비하여 다공성 PMMA 파우더는 뛰어난 분산성을 보여주므로 이러한 물리적 구조가 큰 역할을 한다고 해석할 수 있다. In addition, as shown in FIG. 2 , since PMMA-COCO-170 has a porous structure, its contact area is wide and the repulsive force due to polarity is further increased, which can be considered to increase the dispersibility. Compared to general PMMA powder, porous PMMA powder shows excellent dispersibility, so it can be interpreted that this physical structure plays a big role.

2) 염 첨가에 따른 파우더의 분산성2) Dispersibility of powder by adding salt

상기 실험예 1)에서 우수한 수분산성을 보인 PMMA-COCO-170 파우더를 함유한 실시예의 화장료 조성물에 염을 첨가하여 염에 따른 분산성을 분석하였다. 염화나트륨, 염화칼륨 및 황산마그네슘을 각각 0.1, 0.3, 0.5 및 1 wt%로 실시예의 화장료 조성물에 첨가하였으며, 하기 표 4에 나타내었다.The dispersibility according to the salt was analyzed by adding a salt to the cosmetic composition of Example containing the PMMA-COCO-170 powder showing excellent water dispersibility in Experimental Example 1). Sodium chloride, potassium chloride and magnesium sulfate were added to the cosmetic compositions of Examples in 0.1, 0.3, 0.5 and 1 wt%, respectively, and are shown in Table 4 below.

물질matter 1(wt%)1 (wt%) 2(wt%)2 (wt%) 3(wt%)3 (wt%) 4(wt%)4 (wt%) SD ALCOHOL 40-BSD ALCOHOL 40-B 5.05.0 5.05.0 5.05.0 5.05.0 PEG-40 HYDROGENATED CASTOR OILPEG-40 HYDROGENATED CASTOR OIL 0.30.3 0.30.3 0.30.3 0.30.3 글리세린glycerin 5.05.0 5.05.0 5.05.0 5.05.0 시트르산citric acid 0.020.02 0.020.02 0.020.02 0.020.02 시트라산나트륨sodium citrate 0.030.03 0.030.03 0.030.03 0.030.03 SUNPMMA-COCO-170SUNPMMA-COCO-170 1.01.0 1.01.0 1.01.0 1.01.0 염화나트륨sodium chloride 0.1/0.3/0.5/10.1/0.3/0.5/1 -- -- -- 염화칼륨potassium chloride -- 0.1/0.3/0.5/10.1/0.3/0.5/1 -- -- 황산마그네슘magnesium sulfate -- -- 0.1/0.3/0.5/10.1/0.3/0.5/1 -- 증류수Distilled water To. 100To. 100 To. 100To. 100 To. 100To. 100 To. 100To. 100

그 결과, 염이 첨가된 화장료 조성물은 전체적으로 그렇지 않은 화장료 조성물에 비해 분산성이 확연하게 향상되는 것을 알 수 있었다. 이는 도 3에 나타낸 바와 같이, 염이 수상 내에서 이온화되어 극성을 띄는 이온들이 파우더 표면에 흡착되기 때문에 파우더 간의 반발력이 향상되어 나타나는 현상이라고 할 수 있다. 이러한 염 첨가는 그 함량이 높아질수록 분산성이 향상되는 경향을 보이는 것을 확인할 수 있으며, 그 결과를 도 4에 나타내었다. 도 4에 나타난 바와 같이, 0.3 wt% 이상이 되었을 때 확연한 효과를 보이는 것을 알 수 있었다. 0.5 wt% 이상의 함량에서는 모두 뛰어난 분산성을 보여주어 그 이상의 함량이 들어가도 성향이 큰 차이 없이 일정하게 유지되는 것을 확인할 수 있었다. As a result, it was found that the dispersibility of the cosmetic composition to which the salt was added was significantly improved compared to the cosmetic composition in which the salt was not added as a whole. As shown in FIG. 3, since salts are ionized in the aqueous phase and polar ions are adsorbed to the powder surface, it can be said that the repulsive force between the powders is improved. It can be seen that the addition of such a salt tends to improve dispersibility as the content increases, and the results are shown in FIG. 4 . As shown in FIG. 4 , it was found that a clear effect was exhibited when it was 0.3 wt% or more. In the content of 0.5 wt% or more, all showed excellent dispersibility, and it was confirmed that the tendency was kept constant without significant difference even when the content was higher than 0.5 wt%.

특히, 황산마그네슘이 함유된 화장료 조성물이 가장 높은 분산성을 보이며 염화나트륨 및 염화칼륨은 비슷한 경향을 보이는 것을 확인할 수 있었다. 이는 이온 강도를 통해 설명할 수 있으며, 이온 강도는 하기의 식으로 확인할 수 있다. In particular, it was confirmed that the cosmetic composition containing magnesium sulfate showed the highest dispersibility, and sodium chloride and potassium chloride showed similar trends. This can be explained through the ionic strength, and the ionic strength can be confirmed by the following formula.

Figure 112020060804284-pat00003
Figure 112020060804284-pat00003

상기 식에서, Ci는 전해질 용액에 들어있는 이온의 농도, Zi는 Ci의 가수이다. 황산마그네슘의 경우 1가 양이온과 1가 음이온의 결합으로 이루어진 염화나트륨 또는 염화칼륨과는 달리 2가 양이온과 2가 음이온의 결합으로 이루어져 있기 때문에 같은 함량을 넣어도 이온 강도가 더 크게 나타나며 파우더 간의 반발력이 더욱 강해질 수 있다. 이러한 결과를 통해 분산성의 향상이 염의 이온화와 관계가 있음을 확인할 수 있었다. In the above formula, Ci is the concentration of ions in the electrolyte solution, and Zi is the valence of Ci. In the case of magnesium sulfate, unlike sodium chloride or potassium chloride, which consists of a combination of a monovalent cation and a monovalent anion, since it consists of a combination of a divalent cation and a divalent anion, the ionic strength becomes larger even when the same content is added, and the repulsion between the powders becomes stronger. can Through these results, it was confirmed that the improvement in dispersibility was related to the ionization of the salt.

3) EDTA 첨가에 따른 분산성3) Dispersibility due to addition of EDTA

EDTA의 첨가가 분산성에 미치는 영향을 알아보기 위하여, 상기 실험예 2)를 통해 분산성이 확인된 황산마그네슘이 첨가된 화장료 조성물에 Trisodium EDTA를 첨가하여 첨가하지 않은 화장료 조성물과 비교하였으며, 첨가 함량을 표 5에 나타내었다. In order to examine the effect of the addition of EDTA on dispersibility, Trisodium EDTA was added to the cosmetic composition to which the dispersibility was confirmed through Experimental Example 2) was added and compared with the cosmetic composition without addition, and the added content was Table 5 shows.

물질matter A(wt%)A (wt%) B(wt%)B (wt%) SD ALCOHOL 40-BSD ALCOHOL 40-B 5.05.0 5.05.0 PEG-40 HYDROGENATED CASTOR OILPEG-40 HYDROGENATED CASTOR OIL 0.30.3 0.30.3 글리세린glycerin 5.05.0 5.05.0 시트르산citric acid 0.020.02 0.020.02 시트라산나트륨sodium citrate 0.030.03 0.030.03 SUNPMMA-COCO-170SUNPMMA-COCO-170 1.01.0 1.01.0 황산마그네슘magnesium sulfate 0.30.3 0.30.3 Trisodium EDTATrisodium EDTA -- 0.020.02 증류수Distilled water To. 100To. 100 To. 100To. 100

분석 결과를 도 5에 나타내었다. 도 5에 나타난 바와 같이, 황산마그네슘이 첨가된 화장료 조성물에 EDTA를 첨가할 시 재분산성이 더욱 향상되는 것을 알 수 있었다. 일반적으로 EDTA는 금속이온을 고정시켜 이들 이온의 작용을 막는 역할을 한다. 그러므로 EDTA가 마그네슘과의 결합을 통해 양이온의 작용을 억제하였음을 예상할 수 있다. 즉, 음이온에 결합되어 있는 파우더들은 서로 간의 반발력이 더욱 증가되므로 분산성이 더욱 향상됨을 알 수 있다. 결국 EDTA의 함유는 염의 작용을 더욱 극대화 시켜주는 역할을 하는 것을 확인할 수 있었다. The analysis results are shown in FIG. 5 . As shown in FIG. 5 , it was found that the redispersibility was further improved when EDTA was added to the cosmetic composition to which magnesium sulfate was added. In general, EDTA serves to immobilize metal ions and block the action of these ions. Therefore, it can be expected that EDTA inhibits the action of cations through binding with magnesium. That is, it can be seen that the dispersibility of the powders bound to the anions is further improved because the repulsive force between them is further increased. In the end, it was confirmed that the inclusion of EDTA played a role in further maximizing the action of the salt.

Claims (3)

파우더를 함유한 화장료 조성물에 있어서,
다공성의 폴리메틸메타크릴레이트를 화장료 조성물 총 중량에 대하여 0.5 wt% 내지 5 wt%로 함유하며, 글리세린을 화장료 조성물 총 중량에 대하여 5 wt% 이하로 함유하고, EDTA를 화장료 조성물 총 중량 대비 0.02 wt% 내지 0.04 wt%로 함유하는 것을 특징으로 하는 파우더를 함유하는 화장료 조성물.
In the cosmetic composition containing the powder,
It contains porous polymethylmethacrylate in an amount of 0.5 wt% to 5 wt% based on the total weight of the cosmetic composition, contains glycerin in an amount of 5 wt% or less based on the total weight of the cosmetic composition, and EDTA is 0.02 wt% based on the total weight of the cosmetic composition % to 0.04 wt% of a cosmetic composition containing a powder, characterized in that it contains.
제1항에 있어서, 염화나트륨, 염화칼륨 및 황산마그네슘으로 이루어진 군으로부터 선택되는 1종 이상의 염을 화장료 조성물 총 중량 대비 0.1 wt% 내지 1 wt%로 추가로 함유하는 것을 특징으로 하는 파우더를 함유하는 화장료 조성물.
The cosmetic composition containing powder according to claim 1, wherein the at least one salt selected from the group consisting of sodium chloride, potassium chloride and magnesium sulfate is additionally contained in an amount of 0.1 wt% to 1 wt% based on the total weight of the cosmetic composition. .
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