CN104352359A - Strippable facial mask substrate based on waterborne polyurethane dispersoid - Google Patents
Strippable facial mask substrate based on waterborne polyurethane dispersoid Download PDFInfo
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- CN104352359A CN104352359A CN201410537752.1A CN201410537752A CN104352359A CN 104352359 A CN104352359 A CN 104352359A CN 201410537752 A CN201410537752 A CN 201410537752A CN 104352359 A CN104352359 A CN 104352359A
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Abstract
The invention discloses a strippable facial mask substrate based on waterborne polyurethane dispersoid. The strippable facial mask substrate takes the waterborne polyurethane dispersoid as a main ingredient and is matched with a thickening agent, an emulsifying agent, grease, a preservative, essence and the like. During use, the skin is uniformly coated with the strippable facial mask substrate, the strippable facial mask substrate can be completely attached to facial skin to form a film, and the film is breathable and is not tight after formed; the facial mask substrate further has the efficacy of skin tightness; and during stripping, the substrate is wetted by water, a facial mask can be taken down like voile, tearing pain feeling is avoided, no residue is left, and perfect stripping is realized. The strippable facial mask substrate has good compatibility with active functional components, essence containing moisturizing ingredients, whitening ingredients, anti-aging ingredients and the like can be added to prepare facial masks with various effects, meanwhile, the strippable facial mask substrate can be applied to the fields of strippable hand masks, neck masks, leg masks, body masks and the like.
Description
Technical field
The present invention relates to a kind of mask matrix, specifically a kind of peelable mask matrix based on aqueous pu dispersions.
Background technology
Nowadays, along with the raising of people's quality of the life and people are to the pursuit of U.S., facial film, as the care tool making the skin at the positions such as face have cosmetic result, is widely used.
Facial film generally uses the mode attaching or smear it to be separated with skin with after contact skin certain hour again.With the contact process of skin, the cosmetics comprised in facial film or ingredient will play beauty functions (such as skin moisture-keeping, blood circulation promoting etc.) and can remove oils and fats and the cutin of skin surface in the process peeling off facial film.
At present, facial film divides can be divided into by material: 1) mask, is mainly substrate with non-woven fabrics, infiltrates essence etc. and spreads on face, is use maximum a kind of mask matrixes at present.Problems existing is that mask shape is fixed, everyone face of cannot fitting completely during use, the toughness of non-woven fabrics under hygrometric state and to paste skin not high, the facial film made in use, the face of user must keep static, once there be facial relaxation action, facial film will be caused to depart from skin.The permeability of mask is not high, can not meet the Thief zone of beautifying liquid in facial film, high-selenium corn requirement; 2) mud cream profile film, containing more Kaolin in its composition, easily causes allergy during use, and mud cream is easy soiled laundry in use, is difficult to clean completely totally time clean; 3) tearing type facial film, Main Ingredients and Appearance is macromolecule, water and ethanol, face of can fitting completely during use, compact pore, has effect of Exfoliating Scrub, grease, has tight sense after parching, stripping to be torn from top to bottom, be not suitable for sensitivity skin, during tearing, have pain.
Chinese patent CN 102895164A and CN1883438A discloses the facial film containing polyurethane, polyurethane serves the effects such as solidifying water wherein, polyurethane is not the effect playing self film, and its production application process still needs the base cloth such as non-woven fabrics, belongs to traditional mask field; Chinese patent CN 2462923Y discloses a kind of preparation method of hydrogel cosmetic skin-care patch, use the polyurethane plastic film after having cured as the support section of facial film, because its polyurethane plastic film used does not have the filming function at face, need to adopt medical adhesive as associated layer, there is the defect of chafe.Chinese patent CN103705428A discloses a kind of exfoliation frost containing a small amount of non-ionic polyurethane dispersion, it serves one " stranding mud " effect wherein at polyurethane, it is in the short stay of face, cannot play the peelable mask matrix of polyurethane and to compact for a long time the effect of pore.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of peelable mask matrix based on aqueous pu dispersions.Can fit completely with skin, parch rear one-tenth transparent membrane, glutinous greasy not tight, do not come off, there is the skin that compacts, remove the effect of dead bark dirt, without the need to facial cleaning cream cleaning, can easily peel off after water-wet, without tearing pain, noresidue, can be applicable to face and waits health multiple location skin.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
The invention provides a kind of peelable mask matrix based on aqueous pu dispersions, comprise following component:
(a) 20 ~ 60 aqueous pu dispersions of mass parts;
(b) 0.25 ~ 10 thickening agent of mass parts;
(c) 0 ~ 10 emulsifying agent of mass parts;
(d) 0 ~ 10 oils and fats of mass parts;
(e) 0.3 ~ 0.5 antiseptic of mass parts;
(f) 0 ~ 3 essence of mass parts;
(g) 6.5 ~ 79.45 deionized water of mass parts.
During peelable mask matrix of the present invention mask matrix peelable for the preparation of spray form, comprise the component of following mass parts:
(a) 50 ~ 60 aqueous pu dispersions of mass parts;
(b) 0.25 ~ 3.0 thickening agent of mass parts;
(c) 1 ~ 7 emulsifying agent of mass parts;
(d) 1 ~ 9 oils and fats of mass parts;
(e) 0.3 ~ 0.5 antiseptic of mass parts;
(f) 0 ~ 3 essence of mass parts;
(g) 17.5 ~ 47.45 deionized water of mass parts.
During peelable mask matrix of the present invention mask matrix peelable for the preparation of gel shape, comprise the component of following mass parts:
(a) 20 ~ 50 aqueous pu dispersions of mass parts;
(b) 3 ~ 8 thickening agent of mass parts;
(e) 0.3 ~ 0.5 antiseptic of mass parts;
(f) 0 ~ 3 essence of mass parts;
(g) 38.5 ~ 76.7 deionized water of mass parts.
When peelable mask matrix of the present invention is for the preparation of cream frost shape peelable mask matrix, comprise the component of following mass parts:
(a) 30 ~ 50 aqueous pu dispersions of mass parts;
(b) 5 ~ 10 thickening agent of mass parts;
(c) 5 ~ 10 emulsifying agent of mass parts;
(d) 5 ~ 10 oils and fats of mass parts;
(e) 0.3 ~ 0.5 antiseptic of mass parts;
(f) 0 ~ 3 essence of mass parts;
(g) 16.5 ~ 54.7 deionized water of mass parts.
Polyurethane in (a) of the present invention aqueous pu dispersions is comprise the product that following reactant reaction obtains:
(a1) 5 ~ 25wt%, the preferably polyisocyanates of 10 ~ 20wt%;
(a2) 60 ~ 90wt%, the preferably PEPA of 65 ~ 85wt%;
(a3) 0.1 ~ 5wt%, preferably the low molecular weight diol chain extender of 0.5 ~ 3wt%;
(a4) 0 ~ 5wt%, the preferably poly glycol monomethyl ether of 0 ~ 2wt%;
(a5) 0.1 ~ 5wt%, preferably 0.3 ~ 2wt% not by polyamine chain extender a that ionic group or ionogenic group replace;
(a6) 0.1 ~ 10wt%, preferably the polyamine chain extender b replaced by ionic group or ionogenic group of 1 ~ 6wt%; Each constituent content is all based on the Mass Calculation of the polyurethane of described (a) aqueous pu dispersions.
Namely the quality of the polyurethane of (a) of the present invention aqueous pu dispersions is total solid part quality of (a) aqueous pu dispersions.
(a1) of the present invention polyisocyanates is selected from the one or two or more in the aliphatic polyisocyanate and cycloaliphatic polyisocyanate with 2 ~ 4 isocyanate groups; Preferably there is the one or two or more in the aliphatic polyisocyanate of 2 ~ 4 isocyanate groups.
Aliphatic polyisocyanate of the present invention is selected from 1, hexamethylene-diisocyanate (HDI), 1,12-dodecane diisocyanate, 2,2,4-trimethyl-hexamethylene diisocyanate, 2,4,4-trimethyl-hexamethylene diisocyanate and 2-methyl isophthalic acid, one or two or more in 5-pentamethylene diisocyanate, preferably 1, hexamethylene-diisocyanate.
The number-average molecular weight of (a2) of the present invention PEPA is 800 ~ 3000, preferably 1000 ~ 2000, and degree of functionality is 2 ~ 3.
(a2) of the present invention PEPA is prepared by organic polycarboxylic acid and/or its anhydride and polyol reaction, wherein, described organic polycarboxylic acid and/or its anhydride comprise the one or two or more in succinic acid and its anhydride, 1,3-propanedicarboxylic acid and its anhydride, adipic acid and its anhydride, 1,5-pentanedicarboxylic acid. and its anhydride, suberic acid and its anhydride, Azelaic Acid and its anhydride, decanedioic acid and its anhydride, phthalic acid and its anhydride, M-phthalic acid and its anhydride, p-phthalic acid and its anhydride,, preferred adipic acid; Described polyhydric alcohol comprises the one or two or more of ethylene glycol, 1,2-PD, BDO, 1,3 butylene glycol, 1,6-hexanediol, trimethylolpropane and neopentyl glycol, preferably 1,6-hexanediol and neopentyl glycol.The example of concrete (a2) PEPA has CMA-654 etc.
(a3) of the present invention low molecular weight diol chain extender is selected from ethylene glycol, diethylene glycol, 1, ammediol, 1,2-propylene glycol, 1,4-butanediol, 1, one or two or more in 3-butanediol, cyclohexanediol, 1,4-CHDM, 1,6-hexanediol and neopentyl glycol, preferred BDO and/or neopentyl glycol.
The number-average molecular weight 600 ~ 3000 of (a4) of the present invention poly glycol monomethyl ether, preferably 1000 ~ 2000.
The carbon atom of (a5) of the present invention polyamine chain extender a is 2 ~ 20, degree of functionality is 2 ~ 3, preferred ethylenediamine, propane diamine, butanediamine, hexamethylene diamine, isophorone diamine, 1,4-cyclohexane diamine, 4, one or two or more in 4 '-dicyclohexyl methyl hydride diamidogen and diethylenetriamine, more preferably ethylenediamine, hexamethylene diamine, isophorone diamine, 1,4-cyclohexane diamine and 4, one or two or more in 4 '-dicyclohexyl methyl hydride diamidogen, further preferred ethylenediamine and/or isophorone diamine.
(a6) of the present invention polyamine chain extender b is the diamine, the sodium salt of preferred N-(2-amino-ethyl)-2-aminoethyl sulfonic acid and/or the sodium salt of N-(2-amino-ethyl)-2-aminopropanesulfonic acid that are replaced by ionic group or ionogenic group.
The preparation method of (a) of the present invention aqueous pu dispersions comprises the following steps: according to proportioning, by (a2) PEPA, (a3) low molecular weight diol chain extender, (a4) poly glycol monomethyl ether mix and blend 10min under 70 ~ 80 DEG C of conditions, be cooled to 45 ~ 60 DEG C and add (a1) polyisocyanates, prepolymer is obtained when product reaches theoretical NCO content, prepolymer is cooled to 30 ~ 45 DEG C, be dissolved in acetone solvent, acetone consumption is 100 ~ 200wt% of total solid part quality of (a) aqueous pu dispersions, after mixing 10 ~ 15min, add (a5) polyamine chain extender a, (a6) polyamine chain extender b, after continuing reaction 15 ~ 30min under 35 ~ 45 DEG C of conditions, water is added under shearing dispersion condition, the consumption of water is 100 ~ 300wt% of total solid part quality of (a) aqueous pu dispersions, then vacuum removal acetone, obtains described (a) aqueous pu dispersions.
The total solid content of (a) of the present invention aqueous pu dispersions is 20 ~ 50wt%.
(a) of the present invention aqueous pu dispersions is anion-type water-thinned polyurethane dispersion, and particle diameter is 10nm ~ 200nm, preferred 50nm ~ 160nm.
(b) of the present invention thickening agent can provide certain viscosity for mask matrix, in use can spray uniformly or be applied in face.Described (b) thickening agent is the one or two or more in HEUR class thickening agent, acrylic type thickening agent, methylcellulose, hydroxypropyl emthylcellulose, sodium carboxymethyl cellulose, hydroxyethyl-cellulose, kieselguhr, card ripple, starch, gelatin, sodium alginate, casein, guar gum, chitosan, Radix Acaciae senegalis, xanthan gum, soybean glue, natural wool fat and agar.
During peelable mask matrix of the present invention mask matrix peelable for the preparation of spray form, described (b) thickening agent is the card ripple of the hydroxyethyl-cellulose of 0.05 ~ 2.0wt%, the xanthan gum of 0.1 ~ 2.0wt% and 0.1 ~ 2.0wt%, the preferably card ripple of the hydroxyethyl-cellulose of 0.1 ~ 1.0wt%, the xanthan gum of 0.2 ~ 1.5wt% and 0.2 ~ 0.5wt%, calculates based on peelable mask matrix gross mass.
During peelable mask matrix of the present invention mask matrix peelable for the preparation of gel shape, described (b) thickening agent is the card ripple of the hydroxyethyl-cellulose of 0.1 ~ 2.0wt%, the xanthan gum of 0.2 ~ 2.0wt% and 0.2 ~ 4.0wt%, the preferably card ripple of the hydroxyethyl-cellulose of 0.5 ~ 1.5wt%, the xanthan gum of 0.5 ~ 1.5wt% and 2.0 ~ 3.0wt%, calculates based on peelable mask matrix gross mass.
When peelable mask matrix of the present invention is for the preparation of cream frost shape peelable mask matrix, described (b) thickening agent is the card ripple of the hydroxyethyl-cellulose of 0.1 ~ 4.0wt%, the xanthan gum of 0.2 ~ 2.0wt% and 0.2 ~ 4.0wt%, the preferably card ripple of the hydroxyethyl-cellulose of 2.0 ~ 3.0wt%, the xanthan gum of 1.0 ~ 1.5wt% and 2.0 ~ 3.5wt%, calculates based on peelable mask matrix gross mass.
(c) of the present invention emulsifying agent can increase the dispersibility in mask matrix such as Cosmetic Ingredient of the various function such as (d) oils and fats or quintessence oil, whitening composition, anti-acne composition.Described (c) emulsifying agent is selected from the one or two or more of carboxylate, sulfate, sulfonate, the derivant of amine, alkyl ether, stearyl esters, polyethenoxy ether class and polyethenoxy ether apoplexy due to endogenous wind; One or two or more in preferred dodecylbenzene sodium sulfonate, spermaceti alcohol radical sodium sulfate, alkyl trimethyl ammonium salt, NPE, cetyl ether and tristerin etc.
During peelable mask matrix of the present invention mask matrix peelable for the preparation of spray form, described (c) emulsifying agent is the cetearyl ether-20 of 0.5 ~ 4.0wt% and the PEG-7 castor oil hydrogenated of 0.5 ~ 3.0wt%, the preferably cetearyl ether-20 of 1.0 ~ 3.0wt% and the PEG-7 castor oil hydrogenated of 1.0 ~ 2.0wt%, calculates based on peelable mask matrix gross mass.
When peelable mask matrix of the present invention is for the preparation of cream frost shape peelable mask matrix, described (c) emulsifying agent is the cetearyl ether-20 of 1.0 ~ 5.0wt% and the PEG-7 castor oil hydrogenated of 1.0 ~ 5.0wt%, the preferably cetearyl ether-20 of 3.0 ~ 4.5wt% and the PEG-7 castor oil hydrogenated of 2.0 ~ 4.0wt%, calculates based on peelable mask matrix gross mass.
(d) of the present invention oils and fats can improve the emollient of mask matrix, is conducive to the moistening laminating of mask matrix on skin.Described (d) oils and fats is selected from the one or two or more in vegetative grease, animal raw fat and synthetic ester oil, the one or two or more in preferably olive oil, Oleum Cocois, Oleum Ricini, Oleum Gossypii semen, soybean oil, Oleum sesami, almond oil, Oleum Arachidis hypogaeae semen, Semen Maydis oil, Testa oryzae oil, Oleum Camelliae, Oleum Hippophae, American Avocado Tree oil, candlenut oil, European macadamia nut oil, Oleum Juglandis, cupu oil, mink oil, egg oil, lanolin oil, lecithin, squalane, lanolin derivative, polysiloxanes, fatty acid, fatty alcohol, fatty acid ester, glycerol and vaseline.
During peelable mask matrix of the present invention mask matrix peelable for the preparation of spray form, described (d) oils and fats is the lanolin oil of 0.2 ~ 2.0wt%, the Oleum Ricini of 0.3 ~ 3.0wt% and 0.5 ~ 4.0wt% squalane, the preferably lanolin oil of 0.5 ~ 1.0wt%, the Oleum Ricini of 1.0 ~ 2.0wt% and 1.5 ~ 3.0wt% squalane, based on peelable mask matrix total weight.
When peelable mask matrix of the present invention is for the preparation of cream frost shape peelable mask matrix, described (d) oils and fats is the lanolin oil of 0.5 ~ 4.0wt%, the Oleum Ricini of 1.0 ~ 3.0wt% and 1.0 ~ 3.0wt% squalane, the preferably lanolin oil of 2.0 ~ 3.0wt%, the Oleum Ricini of 2.0 ~ 2.5wt% and 1.5 ~ 2.0wt% squalane, based on peelable mask matrix total weight.
(e) of the present invention antiseptic is broad-spectrum preservative, preferred phenoxyethanol, DMDM Hydantoin (DMDMH), methylchloroisothiazandnone and Methylisothiazolinone etc.
(f) of the present invention essence is soluble perfume, preferred natural plants essence.The TCW2890404 etc. of concrete example You Lihua essence company limited.
The preparation method of peelable mask matrix of the present invention, comprise the following steps: proportionally, make (b) thickening agent and (g) deionized water after high-speed stirred 10-30 minute, add (a) aqueous pu dispersions mix homogeneously with agitator, and it is for subsequent use to make the preliminary substrate of facial film by alkaline matter (as triethylamine) adjusted to ph to 7-8, c () emulsifying agent and (d) oils and fats join above-mentioned (a) aqueous pu dispersions at 80-90 DEG C after high-speed stirred 10-30 minute, in the b preliminary substrate of facial film that () thickening agent and (g) deionized water are made, continuation stirring adds (e) antiseptic after 10-30 minute and (f) essence mix homogeneously makes peelable mask matrix.
Utilize described aqueous pu dispersions can form softness, ventilative, complete film at face in the present invention, coordinate the compositions such as thickening agent, emulsifying agent, oils and fats, make facial film in use can with spraying, gel, cream frost shape facial film uniform coating in skin, face skin of can fitting completely.Adding of thickening agent, make whole facial film have good quality, the facial film of 1-2 millimeters thick can be formed at face, the overall viscosity of facial film can be increased, make people can walk about in use facial film process, bow, do not need to repose, do not affect normal activity; Emulsifying agent is added in formula, emulsifying agent water-wet side can be utilized to be connected with polyurethane aqueous emulsions, hydrophobic end can be connected with oils and fats on skin on the one hand, increase the comfort level of facial film on skin, hydrophobic end can be connected with the oiliness elite active skincare component added in mask matrix on the other hand, improve the compatibility of oiliness elite active skincare component in this patent mask matrix, greatly extend the application of this mask matrix; The oils and fats added in mask matrix, comparatively Long carbon chain and ester group is contained because oils and fats, the emulsion particle in dispersions of polyurethanes can be wrapped up compared with Long carbon chain, ester group due to the oils and fats " similar compatibility " on skin, can better and skin oil and fat effect, make facial film can have better sticking nature at skin, and the tight sense of mask matrix in dry run can be reduced, make mask matrix have better experience.
Uses the personal care articles of polyurethane compositions to have the different of essence based on the peelable facial film of aqueous pu dispersions and tradition in the present invention: during use can to spray, the form uniform coating of the white shape of gel, cream is in skin such as faces, can to fit completely face skin, film after film forming is soft, ventilative not tight, complete, has the effect of the skin that compacts simultaneously.Utilize the hydrophilic and hydrophobic of its uniqueness of aqueous pu dispersions, during stripping, with water-wet, form unique tulle quality thin film, take off gently, without tearing pain, noresidue, without the need to cleaning, really accomplishes peelable.Avoid traditional mud cream profile film, tearing type facial film to the stimulation of skin, and mask cannot complete laminating face defect.There is good smear, had again the feature that mask facilitates removal to clear up concurrently.This peelable mask matrix and the active functional component compatibility good, moisturizing ingredient can be added, facial film that whitening composition, anti-ageing essence of waiting for a long time make various effect, also can be applicable to the fields such as peelable hands film, cervacoria, lower limb film, body film simultaneously.
Detailed description of the invention:
The raw material used in embodiment and comparative example:
Anionic water-based aliphaic polyurethane dispersion-1: synthesize with following methods: add 80g CMA-654 (Yantai Hua Da chemistry), 2.5g neopentyl glycol in four-hole boiling flask, mix and blend 10min under 70 DEG C of conditions, is cooled to 50 DEG C and adds 19g
hDI reacts, and when testing this reaction about NCO%=2.95wt%, makes prepolymer be cooled to 40 DEG C, is dissolved in 150g acetone solvent, after mixing 15min, adds 0.7g ethylenediamine and 5g
the solution that A95 is formed at 15g deionized water, after continuing reaction 30min, adds 210g water under 45 DEG C of conditions under shearing dispersion condition, and then distilling under reduced pressure removes acetone and obtains solid content and be about 31wt% dispersions of polyurethanes, and particle diameter is 50nm.
Anionic water-based aliphaic polyurethane dispersion-2: add 126g CMA-654,0.9g neopentyl glycol in four-hole boiling flask, mix and blend 10min under 70 DEG C of conditions, is cooled to 50 DEG C and adds 25.5g
hDI reacts, and when testing this reaction about NCO%=3.3wt%, makes prepolymer be cooled to 40, is dissolved in 300g acetone solvent, after mixing 15min, adds 1.2g ethylenediamine and 9g
the solution that A95 is formed at 30g deionized water, after continuing reaction 30min, adds 310g water under 45 DEG C of conditions under shearing dispersion condition, and then distilling under reduced pressure removes acetone and obtains solid content and be about 32wt% dispersions of polyurethanes, and particle diameter is 110nm.
Anionic water-based aliphaic polyurethane dispersion-3: add 126g CMA-654,0.9g neopentyl glycol in four-hole boiling flask, 0.8g poly glycol monomethyl ether MPEG1200; Mix and blend 10min under 70 DEG C of conditions, is cooled to 50 DEG C and adds 25.5g
hDI reacts, and when testing this reaction about NCO%=3.3wt%, makes prepolymer be cooled in 40 DEG C of solvents, after mixing 15min, adds 1.2g ethylenediamine and 7g
after continuing reaction 3min under solution 45 DEG C of conditions that A95 is formed at 30g deionized water, under shearing dispersion condition, add 260g water, then distilling under reduced pressure removes acetone and obtains solid content and be about 32wt% dispersions of polyurethanes, and particle diameter is 160nm.
c (acrylic acid (ester) analog copolymer, Akzo Nobel)
Card ripple (thickening agent, Lu Borun);
Hydroxyethyl-cellulose (thickening agent, rain field chemical industry);
Xanthan gum (thickening agent, beneficial safe chemical industry is expanded in Zhengzhou);
Cetearyl ether-20 (emulsifying agent, section is peaceful)
PEG-7 castor oil hydrogenated (emulsifying agent, BASF)
Lanolin oil (oils and fats, Guangzhou silk platinum chemical industry)
Squalane (NOF Corp)
Oleum Ricini (oils and fats, the prosperous promise chemical industry in Jinan)
TCW2890404 (essence, Li Hua essence company limited);
DMDMH (antiseptic, DOW Chemical).
Embodiment 1-6
According to each raw materials quality part table 1 Suo Shi.B phase is made to add A phase mix homogeneously after 30 minutes in 700r/min high-speed stirred with IKA agitator, and by triethylamine adjusted to ph to 7-8, C phase adds A and B mixed phase 80 DEG C of 700r/min high-speed stirred after 30 minutes, and continuation stirring adds D phase mix homogeneously and makes peelable mask matrix after 30 minutes.
Each raw materials quality part of the peelable mask matrix of table 1 embodiment 1-6
Comparative example 1-5
According to each raw materials quality part table 2 Suo Shi.B phase is made to add A phase mix homogeneously after 30 minutes in 700r/min high-speed stirred with IKA agitator, and by triethylamine adjusted to ph to 7-8, C phase adds A and B mixed phase 80 DEG C of 700r/min high-speed stirred after 30 minutes, and continuation stirring adds D phase mix homogeneously and makes mask matrix after 30 minutes.
Each raw materials quality part of table 2 comparative example 1-5 mask matrix
Product evaluation:
Carry out product evaluation in accordance with the following methods:
Every 10 people form a judge group, totally five groups, and Blind Test marking is averaged; 1 point-the poorest, 5 points-best.
Film property---mask matrix sprayed respectively or is applied on face and the back of the hand skin, after drying in 30 minutes is transparent, with same clear water moistening, taking off gently, observing facial film and whether become tulle shape to take off, have crack-free;
Ductility---sprayed respectively by mask matrix or be applied on face and the back of the hand skin, observation could form continuous film, with or without skewness;
Laminating degree---mask matrix is sprayed respectively or is applied on face and the back of the hand skin, 30 minutes dry transparent after, observe institute and become the whether complete and skin of transparent membrane to fit;
Compactness---mask matrix is sprayed respectively or is applied on face and the back of the hand skin, 30 minutes dry transparent after, experience facial film and to compact on skin the sensation of skin;
Breathability---mask matrix sprayed respectively or is applied on face and the back of the hand skin, after drying in 30 minutes is transparent, experiencing facial film on skin with or without glutinous soapy feeling and airtight sense.
Product evaluation the results are shown in Table 3.
Table 3 product evaluation result
As can be seen from Table 3, the mask matrix of embodiments of the invention in use can uniform coating in skin, can fit completely face and the back of the hand skin, ventilative not tight after film forming, this mask matrix has the effect of the skin that compacts simultaneously, during stripping, with water-wet, facial film can take off as tulle, without tearing pain, noresidue, perfection realizes peelable.
Claims (17)
1. a peelable mask matrix, comprises following component:
(a) 20 ~ 60 aqueous pu dispersions of mass parts;
(b) 0.25 ~ 10 thickening agent of mass parts;
(c) 0 ~ 10 emulsifying agent of mass parts;
(d) 0 ~ 10 oils and fats of mass parts;
(e) 0.3 ~ 0.5 antiseptic of mass parts;
(f) 0 ~ 3 essence of mass parts;
(g) 6.5 ~ 79.45 deionized water of mass parts.
2. peelable mask matrix according to claim 1, is characterized in that, described peelable mask matrix is spray form, comprises the component of following mass parts:
(a) 50 ~ 60 aqueous pu dispersions of mass parts;
(b) 0.25 ~ 3.0 thickening agent of mass parts;
(c) 1 ~ 7 emulsifying agent of mass parts;
(d) 1 ~ 9 oils and fats of mass parts;
(e) 0.3 ~ 0.5 antiseptic of mass parts;
(f) 0 ~ 3 essence of mass parts;
(g) 17.5 ~ 47.45 deionized water of mass parts.
3. peelable mask matrix according to claim 1, is characterized in that, described peelable mask matrix is gel shape, comprises the component of following mass parts:
(a) 20 ~ 50 aqueous pu dispersions of mass parts;
(b) 3 ~ 8 thickening agent of mass parts;
(e) 0.3 ~ 0.5 antiseptic of mass parts;
(f) 0 ~ 3 essence of mass parts;
(g) 38.5 ~ 76.7 deionized water of mass parts.
4. peelable mask matrix according to claim 1, is characterized in that, described peelable mask matrix is cream frost shape, comprises the component of following mass parts:
(a) 30 ~ 50 aqueous pu dispersions of mass parts;
(b) 5 ~ 10 thickening agent of mass parts;
(c) 5 ~ 10 emulsifying agent of mass parts;
(d) 5 ~ 10 oils and fats of mass parts;
(e) 0.3 ~ 0.5 antiseptic of mass parts;
(f) 0 ~ 3 essence of mass parts;
(g) 16.5 ~ 54.7 deionized water of mass parts.
5. the peelable mask matrix according to any one of claim 1-4, is characterized in that, the polyurethane in described (a) aqueous pu dispersions is comprise the product that following reactant reaction obtains:
(a1) 5 ~ 25wt%, the preferably polyisocyanates of 10 ~ 20wt%;
(a2) 60 ~ 90wt%, the preferably PEPA of 65 ~ 85wt%;
(a3) 0.1 ~ 5wt%, preferably the low molecular weight diol chain extender of 0.5 ~ 3wt%;
(a4) 0 ~ 5wt%, the preferably poly glycol monomethyl ether of 0 ~ 2wt%;
(a5) 0.1 ~ 5wt%, preferably 0.3 ~ 2wt% not by polyamine chain extender a that ionic group or ionogenic group replace;
(a6) 0.1 ~ 10wt%, preferably the polyamine chain extender b replaced by ionic group or ionogenic group of 1 ~ 6wt%; Each constituent content is all based on the Mass Calculation of the polyurethane of described (a) aqueous pu dispersions.
6. peelable mask matrix according to claim 5, it is characterized in that, described (a1) polyisocyanates is selected from the one or two or more in the aliphatic polyisocyanate and cycloaliphatic polyisocyanate with 2 ~ 4 isocyanate groups, preferably has the one or two or more in the aliphatic polyisocyanate of 2 ~ 4 isocyanate groups; Described aliphatic polyisocyanate is selected from 1, hexamethylene-diisocyanate, 1,12-dodecane diisocyanate, 2,2,4-trimethyl-hexamethylene diisocyanate, 2,4,4-trimethyl-hexamethylene diisocyanate and 2-methyl isophthalic acid, one or two or more in 5-pentamethylene diisocyanate, preferably 1, hexamethylene-diisocyanate.
7. peelable mask matrix according to claim 5, is characterized in that, the number-average molecular weight of described (a2) PEPA is 800 ~ 3000, preferably 1000 ~ 2000, and degree of functionality is 2 ~ 3; Described (a2) PEPA is prepared by organic polycarboxylic acid and/or its anhydride and polyol reaction, wherein, described organic polycarboxylic acid and/or its anhydride are selected from the one or two or more in succinic acid and its anhydride, 1,3-propanedicarboxylic acid and its anhydride, adipic acid and its anhydride, 1,5-pentanedicarboxylic acid. and its anhydride, suberic acid and its anhydride, Azelaic Acid and its anhydride, decanedioic acid and its anhydride, phthalic acid and its anhydride, M-phthalic acid and its anhydride, p-phthalic acid and its anhydride, preferred adipic acid; Described polyhydric alcohol comprises the one or two or more of ethylene glycol, 1,2-PD, BDO, 1,3 butylene glycol, 1,6-hexanediol, trimethylolpropane and neopentyl glycol, preferably 1,6-hexanediol and neopentyl glycol.
8. peelable mask matrix according to claim 5, it is characterized in that, described (a3) low molecular weight diol chain extender is selected from ethylene glycol, diethylene glycol, 1,3-PD, 1,2-PD, 1,4-butanediol, 1, one or two or more in 3-butanediol, cyclohexanediol, 1,4-CHDM, 1,6-hexanediol and neopentyl glycol, preferred BDO and/or neopentyl glycol.
9. peelable mask matrix according to claim 5, is characterized in that, the number-average molecular weight 600 ~ 3000 of described (a4) poly glycol monomethyl ether, preferably 1000 ~ 2000.
10. peelable mask matrix according to claim 5, it is characterized in that, the carbon atom of described (a5) polyamine chain extender a is 2 ~ 20, degree of functionality is 2 ~ 3, preferred ethylenediamine, propane diamine, butanediamine, hexamethylene diamine, isophorone diamine, 1, 4-cyclohexane diamine, 4, one or two or more in 4 '-dicyclohexyl methyl hydride diamidogen and diethylenetriamine, more preferably ethylenediamine, hexamethylene diamine, isophorone diamine, 1, 4-cyclohexane diamine and 4, one or two or more in 4 '-dicyclohexyl methyl hydride diamidogen, preferred ethylenediamine and/or isophorone diamine further.
11. peelable mask matrixes according to claim 5, it is characterized in that, described (a6) polyamine chain extender b is the diamine, the sodium salt of preferred N-(2-amino-ethyl)-2-aminoethyl sulfonic acid and/or the sodium salt of N-(2-amino-ethyl)-2-aminopropanesulfonic acid that are replaced by ionic group or ionogenic group.
12. peelable mask matrixes according to any one of claim 1-11, it is characterized in that, the preparation method of described (a) aqueous pu dispersions comprises the following steps: according to proportioning, by (a2) PEPA, (a3) low molecular weight diol chain extender, (a4) poly glycol monomethyl ether mix and blend 10min under 70 ~ 80 DEG C of conditions, be cooled to 45 ~ 60 DEG C and add (a1) polyisocyanates, prepolymer is obtained when product reaches theoretical NCO content, prepolymer is cooled to 30 ~ 45 DEG C, be dissolved in acetone solvent, acetone consumption is 100 ~ 200wt% of total solid part quality of (a) aqueous pu dispersions, after mixing 10 ~ 15min, add (a5) polyamine chain extender a, (a6) polyamine chain extender b, after continuing reaction 15 ~ 30min under 35 ~ 45 DEG C of conditions, water is added under shearing dispersion condition, the consumption of water is 100 ~ 300wt% of total solid part quality of (a) aqueous pu dispersions, then vacuum removal acetone, obtains described (a) aqueous pu dispersions.
13. peelable mask matrixes according to claim 12, is characterized in that, the total solid content of described (a) aqueous pu dispersions is 20 ~ 50wt%; Particle diameter is 10nm ~ 200nm, preferred 50nm ~ 160nm.
14. peelable mask matrixes according to any one of claim 1-4, it is characterized in that, described (b) thickening agent is the one or two or more in HEUR class thickening agent, acrylic type thickening agent, methylcellulose, hydroxypropyl emthylcellulose, sodium carboxymethyl cellulose, hydroxyethyl-cellulose, kieselguhr, card ripple, starch, gelatin, sodium alginate, casein, guar gum, chitosan, Radix Acaciae senegalis, xanthan gum, soybean glue, natural wool fat and agar; Described (c) emulsifying agent is selected from the one or two or more of carboxylate, sulfate, sulfonate, the derivant of amine, alkyl ether, stearyl esters, polyethenoxy ether class and polyethenoxy ether apoplexy due to endogenous wind; Described (d) oils and fats is selected from the one or two or more in vegetative grease, animal raw fat and synthetic ester oil, the one or two or more in preferably olive oil, Oleum Cocois, Oleum Ricini, Oleum Gossypii semen, soybean oil, Oleum sesami, almond oil, Oleum Arachidis hypogaeae semen, Semen Maydis oil, Testa oryzae oil, Oleum Camelliae, Oleum Hippophae, American Avocado Tree oil, candlenut oil, European macadamia nut oil, Oleum Juglandis, cupu oil, mink oil, egg oil, lanolin oil, lecithin, squalane, lanolin derivative, polysiloxanes, fatty acid, fatty alcohol, fatty acid ester, glycerol and vaseline.
15. peelable mask matrixes according to claim 2, it is characterized in that, described (b) thickening agent is the card ripple of the hydroxyethyl-cellulose of 0.05 ~ 2.0wt%, the xanthan gum of 0.1 ~ 2.0wt% and 0.1 ~ 2.0wt%, preferably the card ripple of the hydroxyethyl-cellulose of 0.1 ~ 1.0wt%, the xanthan gum of 0.2 ~ 1.5wt% and 0.2 ~ 0.5wt%;
Described (c) emulsifying agent is the cetearyl ether-20 of 0.5 ~ 4.0wt% and the PEG-7 castor oil hydrogenated of 0.5 ~ 3.0wt%, preferably the cetearyl ether-20 of 1.0 ~ 3.0wt% and the PEG-7 castor oil hydrogenated of 1.0 ~ 2.0wt%;
Described (d) oils and fats is the lanolin oil of 0.2 ~ 2.0wt%, the Oleum Ricini of 0.3 ~ 3.0wt% and 0.5 ~ 4.0wt% squalane, the preferably lanolin oil of 0.5 ~ 1.0wt%, the Oleum Ricini of 1.0 ~ 2.0wt% and 1.5 ~ 3.0wt% squalane, based on peelable mask matrix total weight.
16. peelable mask matrixes according to claim 3, it is characterized in that, described (b) thickening agent is the card ripple of the hydroxyethyl-cellulose of 0.1 ~ 2.0wt%, the xanthan gum of 0.2 ~ 2.0wt% and 0.2 ~ 4.0wt%, the preferably card ripple of the hydroxyethyl-cellulose of 0.5 ~ 1.5wt%, the xanthan gum of 0.5 ~ 1.5wt% and 2.0 ~ 3.0wt%, based on peelable mask matrix total weight.
17. peelable mask matrixes according to claim 4, it is characterized in that, described (b) thickening agent is the card ripple of the hydroxyethyl-cellulose of 0.1 ~ 4.0wt%, the xanthan gum of 0.2 ~ 2.0wt% and 0.2 ~ 4.0wt%, preferably the card ripple of the hydroxyethyl-cellulose of 2.0 ~ 3.0wt%, the xanthan gum of 1.0 ~ 1.5wt% and 2.0 ~ 3.5wt%;
Described (c) emulsifying agent is the cetearyl ether-20 of 1.0 ~ 5.0wt% and the PEG-7 castor oil hydrogenated of 1.0 ~ 5.0wt%, preferably the cetearyl ether-20 of 3.0 ~ 4.5wt% and the PEG-7 castor oil hydrogenated of 2.0 ~ 4.0wt%;
Described (d) oils and fats is the lanolin oil of 0.5 ~ 4.0wt%, the Oleum Ricini of 1.0 ~ 3.0wt% and 1.0 ~ 3.0wt% squalane, the preferably lanolin oil of 2.0 ~ 3.0wt%, the Oleum Ricini of 2.0 ~ 2.5wt% and 1.5 ~ 2.0wt% squalane, based on peelable mask matrix total weight.
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