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Sealant tape

A technology of sealant and adhesive tape, which is applied in the direction of film/sheet adhesive, transportation and packaging, adhesive additives, etc., and can solve the problems of expensive, laborious and time-consuming adhesive tape, leakage, etc.

Active Publication Date: 2019-07-30
3M INNOVATIVE PROPERTIES CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In-situ forming techniques are laborious and time consuming
Although various expanding adhesive tapes are available to simplify the procedure, such tapes can be prohibitively expensive and may allow leakage through the adhesive

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0082] Various embodiments of the invention may be better understood by reference to the following examples, which are provided by way of illustration. The invention is not limited to the examples given herein.

[0083] Objects and advantages of the present disclosure are further illustrated by the following non-limiting examples. The specific materials and amounts thereof, as well as other conditions and details, recited in these examples should not be construed to unduly limit this disclosure.

[0084] Unless otherwise noted, all reagents were obtained or purchased from Sigma-Aldrich Company, St. Louis, Missouri, or could be synthesized by known methods. All ratios are by weight percent unless otherwise reported.

[0085] Table 1 describes the abbreviations used to describe the examples.

[0086] Table 1: Abbreviations used to describe the examples .

[0087] abbreviation meaning cc cubic centimeter cm cm g gram in. inch led ...

Embodiment approach 1

[0141] Embodiment 1 provides a sealant composition comprising:

[0142] a curable liquid comprising polysulfides, polythioethers, copolymers thereof, or combinations thereof; and

[0143] A curing agent used to cure the curable liquid.

Embodiment approach 2

[0144] Embodiment 2 provides the sealant composition according to embodiment 1, wherein the sealant composition is a barrier material.

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Abstract

Various embodiments disclosed related to sealant tape. The sealant tape can include a cured product of a sealant composition including a curable liquid that includes a polysulfide, a polythioether, acopolymer thereof, or a combination thereof. The sealant composition also includes a curing agent for curing the curable liquid. Various embodiments provide cured products of the sealant composition,sealant tapes including the cured product, and sealant tapes including any suitable material with an adhesive pattern thereon.

Description

Background technique [0001] In the aerospace industry, it is often necessary to seal covers to hatches or other components with seals that have good high or low temperature performance and high chemical resistance, or to seal other components (for example, the main body to the wing housing) Sealed together to prevent air or liquid penetration. A common practice when sealing panels to areas is the form-in-place technique, which involves applying a polysulfide or polysulfide sealant to the area to be sealed, applying a release coat to the panel, placing the panel on the area to be sealed on, and wait for the sealant to cure. The panel is then removed, the sealant is trimmed and cleaned, and the peel coat is removed from the panel. The panels are then reinstalled over the area to be sealed. In-situ forming techniques are laborious and time-consuming. While various intumescent adhesive tapes are available to simplify the procedure, such tapes can be prohibitively expensive and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G75/00C08J9/00C08L11/00C08L81/02C08L81/04
CPCC08J9/32C08G75/00C08L81/02C08L81/04C08J2201/026C08J2203/22C08J2207/02C08J2381/02C08J2381/04C09J7/25C09J7/38C09J7/26C09J5/00C09J11/04C09J11/08C09J2400/143C09J2467/006C09J2481/006C09J2301/412C09J7/20C09J7/385C09J2301/204Y10T428/14Y10T428/28
Inventor 拉里·S·赫佰特迈克尔·D·斯旺
Owner 3M INNOVATIVE PROPERTIES CO
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