Cationically cross-linkable/polymerisable composition comprising an iodonium borate and releasing an acceptable odour

A technology of composition and iodine salt, which is applied in the direction of organic compound/hydride/coordination complex catalyst, chemical/physical process, physical/chemical process catalyst, etc., can solve the problems of user discomfort and improve the coating rate , good reactivity, and the effect of reducing the generation of volatile organic compounds (VOC)

Active Publication Date: 2015-11-11
BLUESTAR SILICONES FRANCE SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0026] It was actually found that iodine Photoinitiators of the borate type, although they are particularly effective, have the main drawback that they are formulated in silicone compositions using alcoholic solutions (usually methanol or isopropanol solu

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  • Cationically cross-linkable/polymerisable composition comprising an iodonium borate and releasing an acceptable odour
  • Cationically cross-linkable/polymerisable composition comprising an iodonium borate and releasing an acceptable odour
  • Cationically cross-linkable/polymerisable composition comprising an iodonium borate and releasing an acceptable odour

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[0275] Example

[0276] 1) Synthetic photoinitiator [(C 12 H 25 )-Ph-I-Ph(C 12 H 25 )] + ; - B[C 6 F 5 ] 4 And can be prepared Composition used as cationic photoinitiator of the present invention

[0277] A 1-liter round bottom flask equipped with mechanical stirring, water condenser and dropping funnel was charged with dodecylbenzene (100g; 0.45mol), potassium iodide (43.5g; 0.203mol), acetic acid (199.6g) and ethyl acetate. Acid anhydride (59.5g). The mixture was stirred and cooled at 0°C in an ice bath. The dropping funnel was charged with a mixture of sulfuric acid (59.8 g) and acetic acid (39.86 g). This mixture was added to the reaction mass within 25 minutes. The mixture was then returned to ambient temperature (20°C), and then stirred at ambient temperature for 18 hours. Then water (750ml) was added and then the reaction mass was extracted with three portions of ether (3x350ml). The ether phases were combined and then evaporated under reduced pr...

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Abstract

A photoinitiator composition is described that includes a specific iodonium salt combined with a hydrogen donor that is a Guerbet alcohol that can also act as a solvent. This initiator system can solve problems concerning odor, in particular after the polymerization/cross-linking of conventional iodonium salts.

Description

technical field [0001] The field of the invention is that of compositions useful as cationic photoinitiators in compositions based on monomers, oligomers and / or polymers, which The compositions are capable of polymerizing or crosslinking by cationic routes and comprise reactive functional groups to obtain polymerized and / or crosslinked films, coatings or massique materials (eg composites). [0002] More specifically, the object of the present invention is to: [0003] - new compositions useful as cationic photoinitiators, new processes for the preparation of these compositions and their use as photoinitiators for polymerizing or crosslinking monomers and prepolymers by cationic routes, [0004] - a cationic polymerizable or crosslinkable composition comprising a photoinitiator according to the invention and an organosilicon-containing reactive compound, by electron beams or under thermal, photochemical activation, by cationic routes, [0005] - a method for producing a film ...

Claims

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Application Information

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IPC IPC(8): C08F2/50C08L83/06
CPCC08F2/50C08L83/06B01J31/0202B01J31/0291B01J2231/14B05D3/067B05D3/068C09D183/06
Inventor J-M·弗朗西斯G·皮布雷
Owner BLUESTAR SILICONES FRANCE SAS
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