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Antistatic optically clear pressure sensitive adhesive

A pressure-sensitive adhesive, optically transparent technology, applied in the direction of film/sheet adhesive, adhesive type, ester copolymer adhesive, etc., can solve the problem of rapid discharge of adhesive charges, and achieve Effect of suppressing peeling and minimizing air bubbles

Inactive Publication Date: 2014-05-07
3M INNOVATIVE PROPERTIES CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, because adhesives are generally not good charge carriers, placing a conductive coating between the adhesive and the tape backing does not allow the charge on the adhesive surface to discharge rapidly, but only to some extent. static dissipative

Method used

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  • Antistatic optically clear pressure sensitive adhesive
  • Antistatic optically clear pressure sensitive adhesive

Examples

Experimental program
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Effect test

example

[0074] Materials were obtained from chemical supply companies such as Aldrich, Milwaukee, Wisconsin unless otherwise indicated.

[0075] Material

[0076]

[0077] The preparation of tetrabutylammonium nonafluorobutanesulfonate [(C 4 H 9 ) 4 N + ][(C 4 F 9 SO 3 - )] .

[0078] From tetrabutylammonium chloride and potassium nonafluorobutanesulfonate (FR2225, 3M Company, St. Paul, MN) by the general procedure described in U.S. Patent No. 6,372,829 B1, column 8, lines 3-28 Preparation of tetrabutylammonium nonafluorobutanesulfonate.

[0079] Preparation of dodecylmethylbis-(2-hydroxyethyl)ammonium bis(trifluoromethanesulfonyl)imide prepare. [C 12 H 25 N + (CH 3 )(CH 2 CH 2 Oh) 2 ][ - N(SO 2 CF 3 ) 2 ]

[0080] Dodecylmethylbis-(2-hydroxyethyl)ammonium bis(trifluoromethanesulfonyl)imide was prepared as follows: 55.0 g (0.127 mole) of 75% ETHOQUAD C / 12 (323.5 g / mole) solids in water. A...

example 9

[0106] *Example 9 includes 3-(glycidyloxypropyl)-trimethoxysilane at 0.05PPH

[0107] result table

[0108] example

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Abstract

Provided is an optically clear display-grade adhesive comprising (a) a crosslinked acrylic pressure sensitive adhesive, (b) an organic-soluble and dissociable salt, and optionally (c) a non-hydrophilic plasticizer, wherein the adhesive is electrostatically dissipative transmissive to visible light with low haze. Also provided are with methods of making and using the same.

Description

[0001] Cross references to related patent applications [0002] This application claims priority to US Provisional Patent Application No. 60 / 911,800, filed April 13, 2007, the disclosure of which is incorporated herein by reference in its entirety. technical field [0003] The present invention relates to antistatic optically clear pressure sensitive adhesive (OCA) compositions. The antistatic OCAs disclosed herein can be used, for example, in liquid crystal display assemblies to bond polarizers to liquid crystal cells. Background technique [0004] In liquid crystal display (LCD) applications, optically clear pressure sensitive adhesives (OCAs) can be used to adhere polarizers to liquid crystal cells. The polarizers may be of any type, such as H polarizers and K polarizers. The polarizer may be in direct or indirect contact with the OCA. The outer layer of the liquid crystal cell is usually glass. Basic requirements for OCAs used in this LCD application include high op...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K19/00C09J133/06C09J7/02
CPCC09J133/066C08L2666/02Y10T428/2848Y10T428/2891C09K2323/031C09J133/06C09J11/00C09J9/00
Inventor 艾伯特·I·埃费拉茨夏剑辉尹万植朱东伟威廉·M·拉曼纳托马斯·P·克伦
Owner 3M INNOVATIVE PROPERTIES CO