Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Mask pack

Inactive Publication Date: 2014-12-04
3M INNOVATIVE PROPERTIES CO
View PDF6 Cites 24 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides an improved mask pack that can better stick to skin and prevent the nanofibers from delaminating. It achieves this by using a hydrophilic nanofiber layer that is good at absorbing liquid cosmetic preparations and an adhesive layer that strengthens the bond between the nonwoven fabric layer and the nanofiber layer, especially when the mask pack is used with a liquid cosmetic preparation.

Problems solved by technology

However, such nonwoven mask packs are thick (about 15 to 50 μm) and have a small surface area per volume, and thus, can be easily detached from facial skin surfaces even under slight facial movement.
Furthermore, nonwoven mask packs exhibit a poor long-lasting effect of a liquid cosmetic preparation after attachment to facial skin surfaces.
However, such nanofiber-coated nonwoven mask packs depend on only electrostatic force for the adhesion between nanofibers and nonwoven fabrics, and thus, they may easily undergo layer separation (nanofiber delamination) when impregnated with a liquid cosmetic preparation.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Mask pack
  • Mask pack
  • Mask pack

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0042]First, a rayon-PET spunlace (60 gsm) including viscose rayon and PET (weight ratio 8:2) (Namyang Textile Co., Ltd.) was prepared as nonwoven fabric.

[0043]A polyurethane adhesive (0.3 g) was coated on the nonwoven fabric to form a polyurethane adhesive-coated rayon-PET spunlace nonwoven fabric.

[0044]A solution of PAN (6.30 g), hydrophilic PU (3.15 g), hot-melt PU (1.04 g) and a pigment (0.01 g) in dimethylacetamide (89.5 g) was applied onto the adhesive-coated nonwoven fabric by an electrospinning process to thereby complete a nanofiber-coated nonwoven fabric. At this time, the mass per unit area of the nanofiber layer was adjusted to be 0.4, 0.8 or 1.1 gsm.

[0045]The nanofiber-coated nonwoven fabric was cut, and the resultant nonwoven fabric samples were folded twice and placed into cases for mask packs. A liquid cosmetic preparation (22 g, HongSam (C&Tech)) was then incorporated into the cases. The resultant packages were sealed and stored at room temperature for 3 days, 7 day...

example 2

[0046]Nowoven fabric samples obtained in the same procedure as in Example 1 except that the mass per unit area of nanofibers was 0.3 or 1.3 gsm were folded twice and placed into cases for mask packs. Then, a liquid cosmetic preparation (22 g, HongSam (C&Tech)) was then incorporated into the cases.

[0047]The resultant packages were sealed and stored at room temperature for 30 minutes to prepare desired mask pack samples.

example 3

[0048]Nonwoven fabric samples obtained in the same procedure as in Example 1 were folded twice and placed into cases for mask packs. Then, a liquid cosmetic preparation (22 g, HongSam (C&Tech)) was then incorporated into the cases. The resultant packages were sealed and stored at room temperature for one day to prepare desired mask pack samples.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Weightaaaaaaaaaa
Weight ratioaaaaaaaaaa
Adhesivityaaaaaaaaaa
Login to View More

Abstract

A mask pack impregnated with a liquid cosmetic preparation, being applied to a human skin surface, in particular a facial skin surface. The mask pack includes a nonwoven fabric layer and a nanofiber layer including a hydrophilic polymer, wherein said nanofiber layer is bonded to the nonwoven fabric layer.

Description

FIELD OF THE INVENTION[0001]The present invention relates to a mask pack impregnated with a liquid cosmetic preparation, being applied to a human skin surface, in particular a facial skin surface.BACKGROUND OF THE INVENTION[0002]Mask packs are generally used in the field of cosmetics, in particular to protect the skin from external stimuli, dryness etc. Conventionally, nonwoven mask packs in which nonwoven fabrics are impregnated with a liquid cosmetic preparation have been used for application to facial skin surfaces.[0003]FIG. 1 shows a conventional nonwoven mask pack.[0004]However, such nonwoven mask packs are thick (about 15 to 50 μm) and have a small surface area per volume, and thus, can be easily detached from facial skin surfaces even under slight facial movement. Furthermore, nonwoven mask packs exhibit a poor long-lasting effect of a liquid cosmetic preparation after attachment to facial skin surfaces.[0005]In this regard, nanofiber-coated nonwoven mask packs have been sug...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): A42B1/04
CPCA42B1/04A45D44/002A61F13/122A61K8/0212A61K8/85A61K2800/413A45D44/22B32B7/04D04H1/42A61K8/02
Inventor CHOI, BO-KYUNGLEE, JI-HWA
Owner 3M INNOVATIVE PROPERTIES CO
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com