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Siloxane-based gel adhesives and articles

A siloxane-based gel adhesive, siloxane technology, applied in the direction of adhesives, film/sheet adhesives, heat-activated films/sheets, etc., can solve skin trauma, chronic patients become severe, etc. question

Active Publication Date: 2021-08-17
3M INNOVATIVE PROPERTIES CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] One problem with using adhesive articles for medical applications is that removal of the adhesive article can cause trauma to the skin
This is particularly troublesome for patients with sensitive skin, such as infants and the elderly, and can become serious for chronic patients who repeatedly attach and remove adhesive articles over a long period of time

Method used

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  • Siloxane-based gel adhesives and articles
  • Siloxane-based gel adhesives and articles
  • Siloxane-based gel adhesives and articles

Examples

Experimental program
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Embodiment

[0098] These examples are for illustrative purposes only and are not intended to limit the scope of the appended claims. All parts, percentages, ratios, etc. in the examples, as well as in the remainder of the specification, are by weight unless otherwise indicated. Solvents and other reagents used were obtained from Sigma-Aldrich Chemical Company; Milwaukee, Wisconsin unless otherwise noted. The following abbreviations are used: cm = centimeter; mm = millimeter; in = inch; RPM = revolutions per minute; kg = kilogram; lb = pound; s = second; min = minute; hr = hour; kV = kilovolt; %", "% by weight" and "wt%" are used interchangeably.

[0099] Acronym

[0100]

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Abstract

Siloxane-based gel adhesives with improved shear holding power are prepared from curable compositions. The curable compositions include a siloxane fluid with a viscosity of at least 1,000,000 centipoise, a siloxane-(meth)acrylate co-polymer, and siloxane tackifying resin. The curable compositions can contain an initiator or can be cured by e-beam radiation without an initiator. The siloxane-(meth)acrylate copolymer is the reaction product of a reaction mixture of an ethylenically unsaturated siloxane-containing macromer, an alkyl (meth)acrylate monomer; optionally a reinforcing monomer, and an initiator.

Description

technical field [0001] The present disclosure relates to silicone-based gels useful for forming adhesive articles such as tapes and other medical articles useful in medical applications. Background technique [0002] Various adhesive articles are used in medical applications. These adhesive articles include gels for attaching electrodes and other sensing devices to the skin of patients, various tapes for securing medical devices to patients, and adhesive dressings for covering and protecting wounds . [0003] Many adhesive articles use pressure sensitive adhesives. Pressure sensitive adhesives are well known to those of ordinary skill in the art and have certain properties at room temperature including: (1) strong and long-lasting tack, (2) adheres to no more than finger pressure, (3) Sufficient retention to the adherend, and (4) sufficient cohesive strength to remove cleanly from the adherend. Materials that have been found to function well as pressure sensitive adhesiv...

Claims

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Application Information

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IPC IPC(8): C09J183/04C09J183/10
CPCC08G77/442C09J9/00C09J7/30C09J2483/00C09J2433/00C09J183/04C08L83/00C09J183/10C08L43/04C09J7/35C09J7/38C08F230/085C09J2301/302C09J2301/304C08K5/14C08L83/04C08L83/10C08L2203/02C08L2205/025C08L2205/03C08L2312/06
Inventor 克里斯托夫·T·R·许勒尔奥德丽·A·谢尔曼刘军钪西格弗里德·K·韦尔克
Owner 3M INNOVATIVE PROPERTIES CO
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