KR101590670B1 - Cosmetics composition containing powder - Google Patents

Cosmetics composition containing powder Download PDF

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KR101590670B1
KR101590670B1 KR1020120098476A KR20120098476A KR101590670B1 KR 101590670 B1 KR101590670 B1 KR 101590670B1 KR 1020120098476 A KR1020120098476 A KR 1020120098476A KR 20120098476 A KR20120098476 A KR 20120098476A KR 101590670 B1 KR101590670 B1 KR 101590670B1
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powder
cosmetic composition
composition containing
dispersibility
edta
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KR20130118197A (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 to a cosmetic composition containing 0.5 wt% to 5 wt% of polymethylmethacrylate, 0.1 wt% to 1 wt% of salt and 0.02 to 0.04 wt% of EDTA, And to a solubilized cosmetic composition containing a 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}The present invention relates to a 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 a powder, and more particularly to a cosmetic composition 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 To a solubilized cosmetic composition containing an acid-enhanced powder.

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.
Insoluble powders in basic cosmetics tend to give a soft finish, and their use is increasing. In particular, cosmetic lotions prepared by spraying insoluble powder into low viscosity solubilization type cosmetics have recently been used for oily skin due to 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 feeling of sticky feeling of cosmetics with its unique feeling of use, and it can reduce sebum of oily skin through use of powder with absorbing power. Also, a functionalized substance may be adsorbed in the powder, or a new functional powder may be used to produce a solubilized type lotion having a novel function.

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 solubilization type cosmetics using powder dispersion technique, it is difficult to solve the problem of agglomeration of powder, and it is a fact that there is a problem that agglomeration and re-dispersion do not occur well after a long time. This is a phenomenon that occurs in powders with a strong cohesive force acting between powder or powder surfaces which are difficult to disperse in water because of their low hydrophilicity, which plays a decisive role in deteriorating product quality. In many existing studies, studies on dispersion of water in relation to size or polarity have been carried out, 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.
[선행기술문헌 정보]
국제공개특허공보 WO2007/007521 (2007.01.18.)
Accordingly, the inventors of the present invention have found that the addition of the ester-group-containing porous polymer, the base compound and the anticoagulant during the research of the solubilization-type cosmetics suppressing the agglomeration phenomenon of the powder suppressed the agglomeration phenomenon of the powder and improved the water dispersibility, Completed.
[Prior Art Literature Information]
International Patent Publication No. WO2007 / 007521 (Jan. 18, 2007)

본 발명의 목적은 폴리메틸메타크릴레이트, 염 및 EDTA를 첨가함으로써 파우더 간의 응집력이 억제된 수분산성이 향상된 파우더를 함유하는 화장료 조성물을 제공하는 것이다.
An object of the present invention is to provide a cosmetic composition containing a powder having improved water dispersibility in which the cohesion 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 provides a cosmetic composition containing powder, characterized in that it contains 0.5 wt% to 5 wt% of polymethyl methacrylate (PMMA, polymethyl methacrylate) based on the total weight of the cosmetic composition By weight based on the total weight of the cosmetic composition.

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 may contain at least one salt selected from the group consisting of sodium chloride (NaCl), potassium chloride (KCl) and magnesium sulfate (MgSO 4 ) in an amount of 0.1 wt% to 1 wt% 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 0.02 wt% to 0.04 wt% of EDTA (ethylenediaminetetraacetic acid) 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 one embodiment of the present invention, a cosmetic composition comprising polymethyl methacrylate, a salt and EDTA is improved in repulsive force between powders to suppress aggregation, thereby 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 the cohesive force between the powders and improving the 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.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a graph illustrating the turbidity of a cosmetic composition according to an embodiment of the present invention. FIG.
2 is a SEM image of a PMMA-COCO-170 powder according to an embodiment of the present invention.
3 is a schematic of a salt-added powder dispersion according to one embodiment of the present invention.
FIG. 4 is a graph showing the results of analyzing the turbidity of the cosmetic composition according to salt type and salt content according to an embodiment of the present invention. .
FIG. 5 is a graph showing the results of analyzing the turbidity of a cosmetic composition to which EDTA is added according to an embodiment of the present invention. FIG.

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 with reference to the following Production Examples and Examples. However, the following Preparation Examples and Examples are for illustrating the present invention, but the scope of the present invention is not limited thereto.

실시예Example : : PMMAPMMA 를 함유한 Containing 가용화Solubilization 화장료 조성물 제조 Preparation of cosmetic composition

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 in the sample was passed through a Direct-Q3 device.

INCI nameINCI name product nameproduct name Producer/ditributorProducer / ditributor 메틸메타크릴레이트 가교폴리머Methyl methacrylate crosslinked 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 실세스퀴옥산Polymethylsilsesquioxane 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 / trimethylolhexyl lactone 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)Crystal Chemicals (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 Chemical (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 Life Health (Korea) 시트르산Citric acid 함수구연산Functional citric acid 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 solubilization cosmetic composition was prepared by heating the ethanol phase at 45 ° C., adding the ethanol phase to the water phase prepared at room temperature, solubilizing it by the method, and then adding the powder with stirring. 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 powder type 가용화Solubilization 화장료 조성물 제조 Preparation of cosmetic composition

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 solubilization cosmetic composition was prepared by heating the ethanol phase at 45 ° C., adding the ethanol phase to the water phase prepared at room temperature, solubilizing it by the method, and then adding the powder with stirring. 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 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 the solubilizer, T.K. Robomix was used, and the turbidity meter COH-200A was used. SEM photographs 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. The dispersibility in the aqueous phase was analyzed according to the kind of the cosmetic composition prepared in the above Examples and Comparative Examples. The sample of the cosmetic composition was kept at room temperature for one month without any external impact, and after one month, the specimen was inverted to observe the solution in which the powder was redispersed. The dispersibility was firstly determined by visual observation and the turbidity was measured by using the phenomenon that the transparency of the solution was lowered when the dispersibility of the powder was high. The turbidity was measured at room temperature using a turbidity meter and was calculated by the following equation.

Figure 112012071833054-pat00001

Figure 112012071833054-pat00001

즉, 용액의 탁도가 높을수록 파우더의 수분산성은 높다고 판단할 수 있으며, 각 견본의 탁도는 3번 측정하여 그 평균값으로 결과를 얻었다.
That is, the higher the turbidity of the solution, the higher the water dispersibility of the powder. The turbidity of each sample was measured three times and the average value was obtained.

1) 파우더 종류에 따른 수분산성 연구1) Water-dispersibility study 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. The water dispersibility of the cosmetic compositions of the above Examples and Comparative Examples was confirmed, and the results are shown in Fig. As shown in FIG. 1, the cosmetic composition of Comparative Example 1 containing ORGASOL (nylon powder 613) showed a tendency that some powder did not settle even after a lapse of time due to insufficient mixing of water and powder. It was confirmed that the powder had a very weak hydrophilicity compared to other powders and had a very low ability to disperse in water. The other powders of Comparative Example 2, Comparative Example 3, and Comparative Example 4 were found to have agglomerated powders between powders, resulting in agglomerated agglomerates and poor redispersibility. On the other hand, the cosmetic composition of the Example containing PMMA-COCO-170 powder had adequate hydrophilicity and showed less redeposition properties than the cosmetic compositions of the Comparative Examples. It can be interpreted that the ester group shown in the structure of PMMA-COCO-170 has a partial polarity as shown in the following formula (1), thereby increasing the repulsive force between the powders and reducing the aggregation phenomenon.

[화학식 1] [Chemical Formula 1]

Figure 112012071833054-pat00002
Figure 112012071833054-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.
Further, as shown in FIG. 2, since the PMMA-COCO-170 has a porous structure, it can be considered that the contact area is wide and the repulsive force by the polarity is further increased, thereby increasing the dispersibility. Compared with general PMMA powder, porous PMMA powder exhibits 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 Addition of 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 of the cosmetic composition containing PMMA-COCO-170 powder exhibiting excellent water-dispersibility in the Experimental Example 1 was analyzed by adding a salt to the cosmetic composition. Sodium chloride, potassium chloride and magnesium sulfate were added to the cosmetic compositions of the examples as 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 remarkably improved as compared with that of the cosmetic composition which did not. As shown in FIG. 3, since the salt is ionized in the aqueous phase and ions having polarity are adsorbed on the surface of the powder, the repulsion between the powders is improved. It can be seen that the salt addition tends to increase as the content of the salt increases. The results are shown in FIG. As shown in FIG. 4, when it was 0.3 wt% or more, a clear effect was obtained. All of the samples showed excellent dispersibility at the contents of 0.5 wt% or more, indicating that the propensity to keep the contents even when the content exceeded 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. Especially, the cosmetic composition containing magnesium sulfate showed the highest dispersibility, and sodium chloride and potassium chloride showed similar tendency. This can be explained by the ionic strength, and the ionic strength can be confirmed by the following equation.

Figure 112012071833054-pat00003

Figure 112012071833054-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.
Where Ci is the concentration of ions contained in the electrolyte solution, and Zi is the valence of Ci. In the case of magnesium sulfate, unlike sodium chloride or potassium chloride, which is composed of a combination of a monovalent cation and a monovalent anion, the ionic strength is larger and the repulsive force between the powders becomes stronger . These results show that the improvement of dispersion is related to the ionization of salt.

3) EDTA 첨가에 따른 분산성3) Dispersibility by EDTA addition

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. To examine the effect of addition of EDTA on the dispersibility, the cosmetic composition containing magnesium sulfate, which had been confirmed to be dispersible through Experimental Example 2, was compared with a cosmetic composition not containing Trisodium EDTA, Table 5 shows the results.

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 results of the analysis are shown in FIG. As shown in FIG. 5, it was found that when EDTA was added to the cosmetic composition to which magnesium sulfate was added, the redispersibility was further improved. In general, EDTA acts to prevent the action of these ions by fixing metal ions. Therefore, it can be expected that EDTA inhibited the action of cations through binding with magnesium. That is, the powders bonded to the anion are further improved in dispersibility because the repulsive force between them is further increased. As a result, it was confirmed that the inclusion of EDTA plays a role in maximizing the action of the salt.

Claims (3)

파우더를 함유한 화장료 조성물에 있어서,
화장료 조성물 총 중량에 대하여 0.5 wt% 내지 5 wt%의 폴리메틸메타크릴레이트;
0.3 wt% 내지 1 wt%의 염화나트륨, 염화칼륨 및 황산마그네슘으로 이루어진 군으로부터 선택되는 1종 이상의 염; 및
0.02 wt% 내지 0.04 wt%의 EDTA를 함유하는 것을 특징으로 하는 파우더를 함유하는 화장료 조성물.

In a cosmetic composition containing a powder,
0.5 to 5 wt% of polymethyl methacrylate based on the total weight of the cosmetic composition;
From 0.3 wt% to 1 wt% of at least one salt selected from the group consisting of sodium chloride, potassium chloride, and magnesium sulfate; And
0.0 > wt% < / RTI > to 0.04 wt% of EDTA.

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