Patent GB-467901-A (GB)
Title: Improvements in or relating to moistureproofing compositions and articles produced tberefrom
IPC: C08J7/048
Filed: 1935-12-21
Abstract: The moisture-proofing constituent of the coating applied to transparent wrapping foils &c. consists of a solid alcohol, carboxylic acid, ketone, ether, poly-ether, ether-ester, organometallic compound, thio compound, amide, or halogen hydrocarbon derivative.  The compound must have a melting-point not less than 37 DEG  C., and must conform to a prescribed test for moisture-proofness; and it must also have a minimum hydrocarbon carbon content which in the case of one substituting group is for an alcohol, 20 carbon atoms, for a ketone 20 carbon atoms, for an amide 17 carbon atoms, for an halogen hydrocarbon 18 carbon atoms, and for a thio compound 16 carbon atoms; when a second substituting group which may be the same as or different from the first, is present, the minimum value of the ratio of hydrocarbon carbon to substituting group may be decreased to say 55--65 per p  cent of the above-stated values, and so on with further substituting groups, there being a limiting value of 30 per cent; in the case of a poly-ester the molecule must contain at least 11 hydrocarbon carbon atoms per ether oxygen atom, with an ether-ester at least 10 carbon atoms in the ether part and at least 13 carbon atoms in the ester part, and with an organo-metallic compound at least 8 carbon atoms per valence of the metallic constituent, these minimum values being subject to the above-stated adjustments when substituting groups are present.  The following are specified moisture-proofing compounds; ceryl alcohol, montanyl alcohol, diheptadecyl carbinol, methylphenyl stearyl carbinol, cerotic acid, montanic acid, melissic acid, dicetyl ether, distearyl ether, beta-naphthyl stearyl ether, diphenyl lignoceryl ether, diphenoxydecane, ethylene glycol di-betanaphthyl ether, naphthyl stearyl ether of ethylene glycol, dinaphthoxydiethyl ether, diethylene glycol diceryl ether, phenoxyethylstearate, naphthoxyethylstearate, distearate of diphenylolpropane glycol ether, dicerotate of bis-hydroxyethyl ether of resorcinol, stearoxyethyl stearate, ceroxyethyl benzoate, diethylene glycol dicerotate, laurone, stearone, myristone, cerotone, stearamide, n-butyl stearamide, stearanilide, chloro-triacontane, ceryl bromide, di-heptadecylmethyl chloride, distearyl mecury, tetralauryl tin, tetracetyl lead, diceryl mercury, stearyl mercaptan, ceryl mercaptan, dinaphthyl thio-ether, and dicetyl thio-ether.  The coating also contains a film-forming substance, for instance, a cellulose ester or ether, a natural or synthetic resin, rubber, guttapercha, balata, synthetic rubber, halogenated rubber &c., or a mixture of such substances; and it may contain a softener or plasticizer, and in the case of cellulose ester &c. compositions a blending-agent to obviate haziness, such agent being for example gums, resins, hydrogenated ester gum, halogenated diphenyl, a natural balsam or a synthetic balsam such as diethylene glycol hydrorosinate, lanum, hydrogenated castor oil, dilauryl phthalate, retene, and glycerol diricinoleate. The constituents may be dissolved in an appropriate solvent and so applied, or they may be used in the form of a melt, in which case, a blending-agent to prevent crystallization may be added, suitable agents being hydrogenated rubber, and ester gum, rosin, gum, dammar, and diethylene glycol hydrorosinate.  The base film or foil to be coated may be of regenerated cellulose, glycol cellulose, cellulose glycollic acid, low esters or ethers of cellulose, cellulose acetate and nitrate, ethyl or benzyl cellulose, gelatine, casein, rubber and rubber derivatives. Specifications 283,109, [Class 140], 344,833, [Group XVII], and 401,534 are referred to.  The Specification as open to inspection under Sect. 91, refers to the addition of the moisture-proofing compounds to the compositions used for making the films &c., to the use of the compositions for coating steel and other corrodible metals, paper, leather, fabrics &c.  This subject-matter does not appear in the Specification as accepted.ALSO:Moisture-proofing compositions having a basis of resins, rubber, guttapercha, balata, halogenated rubber, &c. contain as the moisture-proofing constituent a solid alcohol, carboxylic acid, ketone, ether, poly-ether, ether-ester, organo-metallic compound, thio compound, amide or halogen hydrocarbon derivative. The compound must have a melting point not less than 37 DEG  C., and must conform to a prescribed test for moisture-proofness; and it must also have a minimum hydrocarbon carbon content which in the case of one substituting group is for an alcohol and a ketone 20 carbon atoms, for an amide 17 carbon atoms, for an halogen hydrocarbon 18 carbon atoms, and for a thio compound 16 carbon atoms; when a second substituting group, which may be the same as or different from the first, is present, the minimum value of the ratio of hydrocarbon carbon to substituting group may be decreased to say 55--65 per cent of the above-stated values, and so on with further substituting groups, there being a limiting value of 30 per cent; and in the case of a poly-ether the molecule must contain at least 11 hydrocarbon carbon atoms per ether oxygen atom, with an ether-ester at least 10 carbon atoms in the ether part and at least 13 carbon atoms in the ester part, and with an organo-metallic compound at least 8 carbon atoms per valence of the metallic constituent, these minimum values being subject to the above-stated adjustments when substituting groups are present. The following are specified moisture-proofing compounds:-- ceryl alcohol, montanyl alcohol, diheptadecyl carbinol, methylphenyl stearyl carbinol, cerotic acid, montanic acid, melissic acid, dicetyl ether, distearyl ether, beta-naphthylstearyl ether, diphenyl lignoceryl ether, diphenoxydecane, ethylene glycol di-betanaphthyl ether, naphthylstearyl ether of ethylene glycol, dinaphthoxydiethyl ether, diethylene glycol diceryl ether, phenoxyethyl stearate, naphthoxyethyl stearate, distearate of diphenylolpropane glycol ether, dicerotate of bis-hydroxyethyl ether of resorcinol, stearoxyethyl stearate, ceroxyethyl benzoate, diethylene glycol dicerotate, laurone, myristone, cerotone, stearamide, n-butyl stearamide, stearanilide, chlorotriacontane, ceryl bromide, diheptadecylmethyl chloride, distearyl mercury, tetralauryl tin, tetracetyl lead, diceryl mercury, stearyl mercaptan, ceryl mercaptan, di-naphthyl thio-ether and dicetyl thio-ether.  The composition may contain a softener or plasticizer, and substances such as gums, hydrogenated rubber or ester gum, rosin, gum dammar, and diethylene glycol hydrorosinate. The constituents of the composition may be dissolved and applied as a solution, or they may be used in the form of a melt.  The Specification as open to inspection under Sect. 91 refers to the use of the compositions for coating steel and other metal articles, paper, leather, fabrics, &c. This subject-matter does not appear in the Specification as accepted.ALSO:The moisture-proofing constituent of the coating applied to transparent indiarubber films &c. consists of a solid alcohol, carboxylic acid, ketone, ether, poly-ether, ether-ester, organo-metallic compound, thio compound, amide, or halogen hydrocarbon derivative.  The compound must have a melting point not less than 37 DEG  C., and must conform to a prescribed test for moisture-proofness; and it must also have a minimum hydrocarbon carbon content which in the case of one substituting group is for an alcohol 20 carbon atoms, for a ketone 20 carbon atoms, for a halogen hydro-carbon 18 carbon atoms, for an amide 17 carbon atoms, and for a thio compound 16 carbon atoms; when a second substituting group, which may be the same as or different from the first, is present, the minimum value of the ratio of hydrocarbon carbon to substituting group may be decreased to say 55-65 per cent of the above-stated values, and so on with further substituting groups there being a limiting value of 30 per cent; in the case of a poly-ether, the molecule must contain at least 11 hydrocarbon carbon atoms per ether oxygen atom, with an etherester at least 10 carbon atoms in the ether part and at least 13 in the ester part, and with an organo-metallic compound at least 8 carbon atoms per valence of the metallic constituent, these minimum values being subject to the above-stated adjustments when substituting groups are present.  The following are specified moisture-proofing compounds: ceryl alcohol, montanyl alcohol, diheptadecylcarbinol, methylphenyl stearyl carbinol, cerotic acid, montanic acid, melissic acid, dicetyl ether, distearyl ether, beta-naphthyl stearyl ether, diphenyl lignoceryl ether, diphenoxydecane, ethylene glycol di-betanaphthyl ether, naphthylstearyl ether of ethylene glycol, dinaphthoxy diethyl ether, diethylene glycol diceryl ether, phenoxyethyl stearate, naphthoxyethyl stearate, distearate of diphenylolpropane glycol ether, dicerotate of bis-hydroxyethyl ether of resorcinol, stearoxyethyl stearate, ceroxyethyl benzoate, diethylene glycol dicerotate, laurone, stearone, myristone, cerotone, stearamide, n-butyl stearamide, stearanilide, chlorotriacontane, ceryl bromide, di-heptadecylmethyl chloride, distearyl mercury, tetralauryl tin, tetracetyl lead, diceryl mercury, stearyl mercaptan, ceryl mercaptan, di-naphthyl thio-ether, and dicetyl thio-ether.  The coating also contains a film-forming substance, for instance, a cellulose ester or ether, a natural or synthetic resin, rubber, guttapercha, balata, synthetic rubber, halogenated rubber, &c., or a mixture of such substances; and it may contain a softener or plasticizer and agents which have the effect of preventing haziness or inhibit crystallization.  The coating may be applied as a solution or in the form of a melt.  The Specification as open to inspection under Sect. 91, refers to the addition of the moisture-proofing compounds to the compositions used for ma