C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/374, 252/1.A
C08G 85/00 (2006.01) C07C 43/205 (2006.01) C07C 49/84 (2006.01) C07C 69/00 (2006.01) C07C 69/712 (2006.01) C08G 77/38 (2006.01) C09J 4/00 (2006.01)
Patent
CA 1309080
-16- ABSTRACT OF THE DISCLOSURE A free radical polymerisation process comprises bringing together a) a monomeric material such as an acrylic monomer in a relatively low polarity medium b) a free radical source or initiator such as a metallic salt initiator or activator normally soluble only in high polarity media such as water and c) a calixarene derivative of the formula I: Image wherein m t n = 4, 6 or 8 n = an integer greater than or equal to 1/2 (m + n) wherein m + n = 4, 6 or 8 n = an integer greater than or equal to 1/2 (m + n) R = hydrocarbyl, hydrocarbyloxy, substituted hydrocarbyl, substituted hydrocarbyloxy, aryl, hydrocarbylaryl, aryloxy, hydrocarbylaryloxy, substituted aryl, substituted hydrocarbylaryl, substituted aryloxy, or substituted hydrocarbylaryloxy; R' = H, hydrocarbyl, aryl, hydrocarbylaryl, substituted hydrocarbyl, substituted aryl, or substituted hydrocarbylaryl; R" = H, hydrocarbyl or substituted hydrocarbyl. -17- A free radical polymerisation catalyst comprises a combination of a water soluble, organic insoluble initiator and a calixarene derivative of formula I. A gap-filling adhesive composition is also described which comprises an acrylic monomeric material adapted for activation by a metal salt activator such as a copper salt, wherein the composition includes a calixarene derivative of formula I. In the gap-filling adhesive composition the calixarene derivative may be used jointly with a halogenated alkyl acrylate or methacrylate which is halogenated on the alkyl portion.
565239
Harris Stephen J.
Kneafsey Brendan
Rooney John M.
Kirby Eades Gale Baker
Loctite (ireland) Limited
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