Patent GB-952993-A (GB)
Title: Composite articles and method of producing same
IPC: C08G59/40
Filed: 1960-05-24
Abstract: An adhesive composition comprises an amino-organosilicon compound in which the amino-nitrogen atom is joined to the silicon atom through at least three carbon atoms.  The compound may be an aminoallkylsilane or an amino-alkylpolysiloxane. It may be mixed with an epoxy compound which may be a monoepoxide or a polyepoxide, or the mixture may be partially reacted to form an adduct.  The composition may also include an organic diluent. Organopolysiloxanes referred to are: (A) gamma-aminopropylpolysiloxane prepared by refluxing H2N(CH2)3Si(OEt)3 with water; (B) delta-aminobutyl (methyl) siloxane made by reacting water with delta-amino-butyl (methyl)-diethoxysilane and stripping off water and ethanol; (C) delta-amino-butyl (methyl)-siloxane cyclic tetramer; (D) gamma-aminopropylsiloxane-amylsiloxane, prepared by refluxing water, H2N (CH2)3Si(OEt)3, C5H11Si(OEt)3 and KOH; (E) a copolysiloxane made by KOH-catalysed equilibration of a mixture of the tetramer (C), (Me2SiO)4 and Me3SiO-(Me2SiO)4 SiMe3; (F) gamma-aminopropylsiloxane-phenyl-siloxane prepared by refluxing water, H2N(CH2)3Si (OEt)3 #fSi(OEt)3 and ethanol; (G) gamma-aminopropylsiloxane-methylsiloxane prepared by refluxing water, H2N(CH2)3 Si(OEt)3, CH3 Si (OEt)3 and ethanol; (H) gamma-aminopropylsiloxane-vinylsiloxane, prepared by refluxing water, H2N(CH2)3 Si (OEt)3, ViSi(OEt)3 and ethanol; and (X) a copolysiloxane prepared by refluxing gamma-aminopropyltriethoxysilane, phenyltriethoxysilane, methyltriethoxysilane and water. Adducts referred to are made by refluxing the diglycidyl ether of bisphenol A with: (I) composition F; (J) H2N(CH2)3 Si(OEt)3 and #fSi(OEt)3; and (K) composition X in toluene, n-butanol and butyl-"Cellosolve" (Registered Trade Mark), and subsequently diluting with the same solvents. The symbols #f, Me, Et, Bu and Vi denote the phenyl, methyl, ethyl, butyl and vinyl groups respectively. Epoxy compounds referred to are butadiene dioxide, the epoxyoctanes, the epoxybutanes, the epoxyhexadecanes, the epoxyoctadecanes, gamma-glycidoxypropyltriethoxysilane, 4-5-epoxypentyltriethoxysilane, cyclohexene monoxide, vinylcyclohexene dioxide, cyclopentene monoxide, dicyclopentadiene dioxide, glycidyl propyl ether, glycidyl allyl ether, diglycidyl ether, 1, 2-epoxyethylbenzene, glycidyl phenyl ether, glycidyl butyl ether, 1, 2, 3-tri-(1, 2 epoxypropoxy)propane, 3, 4-epoxy-cyclohexylmethyl 3, 4-epoxycyclohexane carboxylate, 1, 6-hexandiol bis(3, 4-epoxycyclohexancarboxylate), 1, 1, 1-trimethylolpropane tris (3, 4-epoxycyclohexancarboxylate), bis(3, 4-epoxy -6- methylcyclohexylmethyl) maleate, bis (2, 3-epoxycyclopentyl) ether, allyl 2, 3-epoxycyclopentyl ether, divinyl-benzene dioxide, epichlorhydrin, and the diglycidyl ethers of 4, 41-dihydroxydiphenyl-2, 2-propane and 4, 41-dihydroxydiphenylmethane and their polymers. Partial reaction of the mixture may be effected by storage at atmospheric or elevated temperature, or heating or refluxing in a solvent. Diluents referred to are hydrocarbons, chlorinated hydrocarbons, nitroparaffins, hydrocarbon ethers and hydrocarbon alcohols. If the diluent is a non-solvent for the aminoorganosilicon compound, an emulsiffier is included.