Triazine silane compound and its usage as adhesion promotor
AssigneeAtotech Deutschland GmbH
InventorsValentina Belova-Magri, Stefanie Ackermann, Philipp Haarmann, Martin Thoms, Norbert Lützow, Jan Knaup, Tatjana Königsmann, Bernd Froese
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Abstract
The present invention relates to a specific triazine silane compound, an oligomer thereof, a mixture comprising said compound and/or said oligomer, as well as a respective storage and working solution. Furthermore, the present invention relates to a synthesis method for said specific triazine silane compound, and the use of said working solution as a surface treatment solution.
Claims12
A triazine silane compound of formula (I)
- wherein
- X and Y are NH2;
- E is selected from the group consisting of —S— and —NH—(CH2)m—NH—;
- Z is selected from the group consisting of
- m is an integer in the range from 2 to 12,
- n is an integer in the range from 1 to 12,
- is an integer in the range from 2 to 12,
- R independently denotes (CH2—CH2—O) p-T, wherein independently
- p is 0, 1, 2, 3, or 4, and
- T denotes H or C1 to C5 alkyl.
A synthesis method for a triazine silane compound of formula (II)
- wherein X and Y are independently selected from the group consisting of NH2, NH(NH2), NH(CH2)oNH2, SH, SCH3, and OCH3;
- Z is selected from the group consisting of
- m is an integer in the range from 2 to 12,
- n is an integer in the range from 1 to 12,
- is an integer in the range from 2 to 12,
- R independently denotes (CH2—CH2—O) p-T, wherein independently
- p is 0, 1, 2, 3, or 4, and
- T denotes H or C1 to C5 alkyl,
- the synthesis method comprising the steps of
- (i) providing a compound of formula (III)
- (ii) providing a silane compound selected from the group of
- (ii-a) a silane compound of formula (IV)
- and
- (ii-b) a silane compound of formula (V)
- wherein in formula (IV) or (V)
- R denotes (CH2—CH2—O) p-T, wherein independently
- p is 0, 1, 2, 3, or 4, and
- T denotes C1 to C5 alkyl, and
- n is an integer in the range from 1 to 12,
- reacting in a solvent said intermediate of formula (III) with said silane compound such that above defined compound of formula (II) results, and
- (iv) optionally hydrolyzing the compound of formula (II) obtained in step (ii such that at least one of R is (CH2—CH2—O) m—Z with m=zero and Z=H.
A method for increasing adhesion strength between a surface of a metal, a metal alloy or a metal oxide and a surface of an organic material comprising the following steps in this order:
- (i) providing a substrate, comprising the metal, metal alloy or metal oxide on at least one side of the substrate,
- (ii) contacting at least one section of said metal, metal alloy or metal oxide with
- A) a triazine silane compound of formula (II)
- formula (I)
- wherein
- X and Y are NH2;
- E is selected from the group consisting of —S— and —NH—(CH2)m—NH—;
- Z is selected from the group consisting of
- m is an integer in the range from 2 to 12,
- n is an integer in the range from 1 to 12,
- is an integer in the range from 2 to 12,
- R independently denotes (CH2—CH2—O)p—Z, wherein independently
- p is 0, 1, 2, 3, or 4, and
- T denotes H or C1 to C5 alkyl
- and/or
- B) a triazine silane oligomer obtained by reacting the triazine silane compounds of formula (II) with each other in the presence of water such that the triazine silane oligomer comprises at least one silicon-oxygen-silicon moiety,
- and
- (iii) applying the organic material such that the at least one section of the metal, metal alloy or metal oxide contacted with the triazine silane compound and/or the triazine silane oligomer during step (ii) is in contact with the applied organic material.
Dependencies are inferred from the claim text.