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Radiation Curable Formulations

A radiation curing, formulation technology, used in anti-corrosion coatings, coatings, etc., to solve problems such as deformability and corrosion resistance that do not always meet the specified requirements

Inactive Publication Date: 2014-10-29
EVONIK DEGUSSA GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the systems known from the prior art show disadvantages in many cases; more specifically, deformability and corrosion resistance do not always meet the stated requirements

Method used

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  • Radiation Curable Formulations
  • Radiation Curable Formulations
  • Radiation Curable Formulations

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0058] General Preparation Instructions for UV Coating Formulation and Curing

[0059] Using a magnetic stirrer, all ingredients of the formulation were mixed and stirred for 20 minutes.

[0060] The handling formulations were applied by knife coating onto steel panels (Bonder panels 1303) and subsequently cured under UV lamps (3 m / min, Minicure, mercury vapor lamps, 80 W / cm, Technigraf).

[0061] All wt% values ​​are based on the total weight of the formulation.

[0062] test

1

2

3 *

4 *

Dynapol R 110-IBOA 75

48.5

48.5

48.5

48.5

IBOA

25.5

25.5

28.5

28.5

Dynasilan Glymo

5.0

5.0

5.0

5.0

Irgacure 250

3.0

3.0

0

0

PZ 20

10.0

10.0

10.0

10.0

Kronos 2059

5.0

5.0

5.0

5.0

IRGACURE 184

3.0

3.0

3.0

3.0

to solidify

UV

...

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Abstract

The present invention relates to the use of alkoxysilane components in the presence of acid-generating photoinitiators in radiation-curable, free-radically crosslinkable formulations which in the cured state offer a particular degree of corrosion control for metallic substrates.

Description

technical field [0001] The present invention relates to the use of alkoxysilane components in free-radically radiation-curable formulations which, in the cured state, provide a specific degree of corrosion control of metal substrates. Background technique [0002] Radiation-curable formulations are known. Ethylenically unsaturated prepolymers are described for example in P.K.T. Oldring (ed.), "Chemistry and Technology of UV and EB Formulations for Coatings, Inks and Paints", Section II Vol. SITA Technology, London 1991, for example on the basis of epoxy acrylates (pages 31 to 68), urethane acrylates (pages 73 to 123) and melamine acrylates (pages 208 to 214). Such formulations are also frequently mentioned in the patent literature: examples include JP 62110779 and EP 947565 . [0003] For radiation-curable formulations, the coating of metal substrates poses particular problems, since the shrinkage process can lead to a loss of adhesion. For such substrates, adhesion promo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D4/00C09D5/08
CPCC08F2/48
Inventor E·斯皮劳
Owner EVONIK DEGUSSA GMBH