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

Pressure-sensitive adhesive covering material for application to skin

A coating material and adhesive technology, applied in dressings, viscous dressings, thin material treatment, etc., can solve the problems of prone to wrinkles, peeling, etc., and achieve the effect of alleviating friction and effective prevention and/or treatment of bedsores

Inactive Publication Date: 2007-05-30
ALCARE CO LTD
View PDF2 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In this way, conventional adhesive bandages and medical adhesive tapes have problems such as easy peeling from the application site, easy wrinkling, etc., which can cause decubitus ulcers, etc.

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0122] 15 parts of styrene-isoprene-styrene block copolymer (SIS), 30 parts of liquid isoprene (LIR) as a liquid component, 60 parts of liquid styrene-isoprene copolymer rubber (LSIR) and 50 parts of carboxymethylcellulose sodium (CMC-Na) as a hydrophilic substance were added to a pressure kneader and mixed until uniform to prepare binder A1. This adhesive A1 was rolled to a thickness of 600 μm with a pressure roll, and the adhesive A1 was formed on a release paper.

[0123] On the other hand, a polyester monofilament with an average diameter of 52.5 μm and an elongation of 12% has a weight per unit area of ​​19.8 g / m 2 The woven cloth of double rib weave (60% elongation in the longitudinal direction and 300% elongation in the transverse direction) is pasted on a polyurethane film with a thickness of 17.5 μm and an elongation of 400% with a coverage of 21.1%. Film / woven cloth laminated support S1.

[0124] The film side of the above laminated support S1 was bonded to the adh...

Embodiment 2

[0127] In the random copolymer that 70 parts of butyl acrylate, 25 parts of 2-ethylhexyl acrylate, 3 parts of acrylic acid and 2 parts of methyl methacrylate copolymerization obtain, add the ethyl acetate as solvent, obtain containing solid content concentration: 50% solution of binder A2. The PSA A2 was applied to a thickness of 50 μm on a release paper, dried, and the PSA A2 layer was supported on the release paper.

[0128] On the other hand, a polyamide monofilament with an average diameter of 63.7 μm and an elongation of 21% has a weight per unit area of ​​30.0 g / m 2 The woven cloth (70% elongation in the longitudinal direction and 250% elongation in the transverse direction) of the double rib structure is attached to the polyurethane film with a thickness of 20.0 μm and an elongation of 250% with a coverage of 33.1%. Film / woven cloth laminated support S2.

[0129] The film side of the above laminated support S2 was bonded to the adhesive A2 layer to obtain the adhesive...

Embodiment 3

[0132] In Example 2, the woven fabric was changed to a weight per unit area of ​​15.0 g / m made of polyamide monofilaments with an average diameter of 43.2 μm and an elongation of 19%. 2 The woven cloth of the interlock weave (44% elongation in the longitudinal direction and 80% elongation in the transverse direction) was changed to 19.3% in the woven cloth coverage with respect to the film. In the same way as in Example 2, an adhesive Compatible coating material C3 (Table 1). Various properties such as elongation and tensile stress were evaluated for the adhesive coating material C3. The results are shown in Table 2.

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

No PUM Login to View More

Abstract

Provided is a pressure-sensitive adhesive covering material for application to the skin which is less apt to peel off from a part where the covering material has been applied, and which is less apt to crease and is suitable for use especially in the prevention and / or treatment of bedsore. The pressure-sensitive adhesive covering material for application to the skin is characterized in that it comprises a layered substrate obtained by superposing a knitted fabric on one side of a film and a pressure-sensitive adhesive layer formed on the film on its side opposite to the knitted fabric, and that the film has an elongation of 150-1,500% and the knitted fabric is formed from filaments having an elongation of 1-200%.

Description

technical field [0001] The present invention relates to an adhesive coating material for skin application. More specifically, it relates to an adhesive coating material for skin application, the coating material comprising: a laminated support obtained by laminating a specific woven fabric (fabric) on one side of a specific film; The adhesive layer formed on the surface opposite to the surface on which the woven cloth is laminated. The adhesive coating material for skin sticking of the present invention is particularly suitable for buffering external friction against the skin and preventing and treating bedsores. Background technique [0002] When you are bedridden for a long time or forced to be in a wheelchair for a long time due to surgery or various diseases, the pressure is concentrated locally, especially in the part where the bones protrude. At this time, compressive stress, shear stress, tensile stress, etc. are applied to the inside of the living tissue, and bedso...

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
Patent Type & Authority Applications(China)
IPC IPC(8): A61F13/02
CPCA61F13/02A61F2013/00404A61F13/0243A61F13/0253Y10T428/14
Inventor 久保贵史
Owner ALCARE CO LTD
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