Stable bisphenolic compositions

C - Chemistry – Metallurgy – 07 – C

Patent

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C07C 37/74 (2006.01) C07C 39/16 (2006.01) C08G 8/20 (2006.01) C08G 8/26 (2006.01) C08G 14/08 (2006.01) C08L 61/14 (2006.01) C09K 3/00 (2006.01)

Patent

CA 2392817

There is provided a stable single-phase composition of bisphenolic stillbottoms and methods for making such compositions. There is also provided a resole and a novolac composition that includes in the manufacture of the resins the use of a stable solution of bisphenolic stillbottoms. Methods for making the resins are also provided. There is further provided a low molecular weight phenolic resin useful in the manufacture of paper laminates, such that the resin exhibits improved paper saturation and reduced phenol emissions during treating when compared to the prior art. There is also provided a laminate composition that results in a paper laminate that exhibits improved flexibility when compared to the prior art.

L'invention concerne une composition monophase stable de résidus de distillation bisphénoliques et des procédés de fabrication de ces compositions. L'invention concerne également une composition de résol et de novalac comprenant, dans la fabrication des résines, l'utilisation d'une solution stable de résidus de distillation bisphénoliques. L'invention concerne également des procédés de fabrication de ces résines. L'invention concerne également une résine phénolique à faible poids moléculaire utile dans la fabrication de stratifiés de papier, de façon que la résine présente une saturation du papier améliorée et des émissions réduites de phénols durant le traitement, par rapport à l'état antérieur de la technique. L'invention concerne également une composition de stratifié permettant d'obtenir un stratifié de papier présentant une flexibilité améliorée par rapport à l'état antérieur de la technique.

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