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Two-component adhesion promoter composition and use of packaging comprising two compartments

An adhesion promoter and composition technology, which can be used in surface pretreatment adhesion methods, covers with auxiliary devices, and sealing parts with auxiliary devices, etc., which can solve the problems of limited durability of water-based pretreatment agents.

Active Publication Date: 2007-05-30
SIKA TECH AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Commercially available water-based pretreatments have limited durability, typically less than 6 months

Method used

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  • Two-component adhesion promoter composition and use of packaging comprising two compartments
  • Two-component adhesion promoter composition and use of packaging comprising two compartments
  • Two-component adhesion promoter composition and use of packaging comprising two compartments

Examples

Experimental program
Comparison scheme
Effect test

preparation Embodiment 1-5

[0100] Table 1. Two-Part Adhesion Promoter Compositions

[0101] Components K1 and K2 are produced independently of one another by mixing with stirring, the mixing of the three constituents of the first component K1 taking place under nitrogen.

[0102] The components were mixed and after 30 minutes spread on different substrates by spreading with saturated paper towels (Tela or Kleenex(R)). The adhesive was then applied after 10 minutes.

Embodiment 6

[0104] Example 6 is based on the Sika(R) Aktivator (commercially available from Sika Schweiz AG). Sika Aktivator is an adhesion promoter composition containing organosilicon compound A and organotitanium compound A and a volatile solvent. The Sika Aktivator was stored in one compartment and the dibutyltin B dilaurate was stored in a second compartment. Dibutyltin dilaurate was used in an amount of 3% by weight, based on the weight of the Sika(R) Aktivator.

[0105] The components are mixed. It turns orange shortly after mixing. After 10 minutes the mixture was spread on different substrates by spreading with saturated paper towels (Tela or Kleenex(R)). The adhesive was then applied after 10 minutes.

[0106] Substrate pretreatment and primer application

[0107] base Supply

[0108] Float glass Germany Rocholl, Schnbrunn company

[0109] Containing bismuth-based ceramic coating Cerdec 14259 Germany Rocholl, Schnbrunn company

[0110] Glass

[0111] AlMgSi1 Ger...

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Abstract

The invention relates to a two-component adhesion promoter composition for pre-treating surfaces. Said composition comprises two components: the first component K1 contains at least one hydrolysable adhesion promoter substance A, which is selected from the group comprising organosilicon compounds, organotitanium compounds, organozirconium compounds and mixtures of said compounds; and the second component K2 comprises at least one compound B, which reacts with the adhesion promoter substance A or triggers or catalyses a condensation of the adhesion promoter A. When the packaging is sealed, the first and second components are held in two compartments (1, 2) that are separated by at least one partition (3). The invention also relates to the use of packaging (5) comprising two compartments (1,2) that are separated by a partition and to a pack (6) consisting of packaging (5) and a two-component adhesion promoter composition, which is held in compartments (1, 2) that are separated by a partition (3).

Description

field of invention [0001] The present invention relates to the field of two-component adhesion promoter compositions for surface pretreatment. [0002] The invention also relates to the use of a package with two compartments. technical background [0003] Adhesion promoter substances have long been used to improve adhesion, especially of adhesives and sealants. In particular silane and titanate compounds have been known for a long time as such adhesion promoter substances. It turns out that in each case, depending on the material and surface properties as well as the adhesive or sealant used, a completely specific adhesion promoter substance or mixture thereof must be selected. These adhesion promoter compositions are used as primers or tack activators for the pretreatment of surfaces to be bonded or sealed. On the one hand, in the prior art, such adhesion-promoting substances are dissolved in inert, volatile solvents so that they can be stored for longer periods of time ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J5/02C08L83/04B65D51/28
CPCC09J5/02
Inventor G·特拉比辛格G·青格勒W-R·胡克S·容格
Owner SIKA TECH AG