Two-constituent elastomer materials based on alkyl aziridine...

Details Two-constituent elastomer materials based on alkyl aziridine... Two-constituent elastomer materials based on alkyl aziridine...

2005-05-17

2005-05-17

Truong, Duc (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From boron-containing reactant

C528S091000, C528S486000, C156S039000, C267S032000, C267S222000

Reexamination Certificate

active

06894144

ABSTRACT:
The invention relates to elastomer materials based on N-alkylaziridino compounds with a base component which contains the aziridino compounds and with a catalyst component which contains at least one acid-acting compound, both components being mixed before use, characterized in that, as acid-acting compound of the catalyst component, one or more boric acid complexes are used which can be obtained by reaction of boric acid and/or a boric acid derivative with at least one OH-functional compound, the OH functions being able to be present wholly or partly protected, and this reaction being carried out either as an upstream reaction between boric acid and/or a boric acid derivative and at least one such OH-functional compound or during or after the preparation of the catalyst component or by mixing the catalyst component with the base component which then contains at least one OH-functional compound. The elastomer materials are preferably used as dental impression materials, bite-registration materials and doubling materials.

REFERENCES:
patent: 37 28 216 (1988-03-01), None
patent: 197 53 461 (1999-06-01), None
patent: 0 279 238 (1988-08-01), None
patent: 0 421 371 (1991-04-01), None

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