Phenolic Reactant Contains At Least One Nitrogen, Phosphorus, Or Sulfur Atom Patents (Class 528/99)
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Patent number: 4250293Abstract: This invention relates to epoxy powder coatings which have excellent shelf life at ambient temperature (70.degree. F.) with excellent cure rates at curing temperatures, the epoxy resin containing a latent amine salt of bis-phenol A, the amine represented by the formula: ##STR1## wherein n is 2 or 3, and R is a C.sub.1 -C.sub.4 alkyl group.Type: GrantFiled: March 19, 1979Date of Patent: February 10, 1981Assignee: Air Products and Chemicals, Inc.Inventors: Burton D. Beitchman, Donald E. Jefferson, John P. Seymour
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Patent number: 4237149Abstract: For manufacturing molded and impregnated parts from epoxy resin compositions, a reactive epoxy resin is employed which hardens more slowly at higher temperatures (120.degree. to 180.degree. C.) than at lower temperatures (80.degree. to 110.degree. C.). The reactive epoxy resin composition is applied at the higher temperature and subsequently hardened at the lower temperature.According to the method of the invention, molded parts (e.g., solution pump heads), cast-in electrical components (e.g., four-ring stray field electrodes) and impregnated parts are manufactured.Type: GrantFiled: August 21, 1978Date of Patent: December 2, 1980Assignee: Siemens AktiengesellschaftInventors: Hans Denk, Reiner Habrich
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Patent number: 4230552Abstract: A polymeric product suitble for use as a pigment grinding vehicle is disclosed. The polymeric product is the reaction product of an organic polyepoxide and an organic amine containing an alkylarylpolyether moiety.Type: GrantFiled: July 20, 1979Date of Patent: October 28, 1980Assignee: PPG Industries, Inc.Inventors: Karl F. Schimmel, Lance C. Sturni, Martin J. Robles
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Patent number: 4229563Abstract: Epoxy resins are cured with an amine adduct of orthohydroxybenzoic acid of the formula: ##STR1## where x is from 2 to about 8.Type: GrantFiled: August 3, 1979Date of Patent: October 21, 1980Assignee: Ameron, Inc.Inventors: Raymond E. Foscante, Albert P. Gysegem, Pamela J. Martinich
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Patent number: 4200726Abstract: A semipermeable membrane composed of a water-insoluble, membrane-forming polymer (hereinafter referred to as "polymer (II)") which is obtained by partially converting the hydroxyl groups of a polymer represented by the following formula (hereinafter referred to as "polymer (I)"): ##STR1## wherein R and R' are halogen, nitro, methyl or ethyl, X stands for a divalent group selected from methylene, ethylene, isopropylidene, ether (--O--), carbonyl (--CO--), sulfide (--S--), sulfoxide (--SO--) and sulfone (--SO.sub.2 --), l and m are integers of from 0 to 4, p is 0 or 1, and n is an integer of from 100 to 1000,to sulfuric acid groups or alkali metal, ammonium or nitrogen-containing basic organic compound salts thereof.Type: GrantFiled: May 30, 1978Date of Patent: April 29, 1980Assignee: Daicel Ltd.Inventors: Kiyoshi Ishii, Ryoshu Suzuki, Zenjiro Honda, Hitoshi Tsugaya
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Patent number: 4196066Abstract: A cured or uncured linear aromatic polyester composition melt-blended and composed of(A) 100 parts by weight of a saturated linear aromatic polyester in which at least 70 mole % of the acid component consists of an aromatic dicarboxylic acid, and(B) 0.1 to 50 parts by weight of a reactive compound which is solid at room temperature or is a liquid having a boiling point of at least 200.degree. C. under atmospheric pressure, and which contains in its molecule at least one aliphatic unsaturated group substantially non-reactive with the polyester (A) and the aliphatic unsaturated group of the reactive compound (B) under conditions of melt-blending with the polyester (A) and at least one epoxy group reactive with the polyester (A) under the melt-blending conditions. The cured linear aromatic polyester composition can be prepared by extruding the uncured linear aromatic polyester composition under melting conditions, and subjecting the resulting extrudate to a curing treatment.Type: GrantFiled: June 30, 1978Date of Patent: April 1, 1980Assignee: Teijin LimitedInventors: Hiroo Inata, Makoto Ogasawara, Tsuto Morinaga, Akihiro Norike
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Patent number: 4195152Abstract: There is disclosed a class of N-alkylpolyamines and their use as curing agents for epoxy resins, and in particular to such polyamines having the formula R--[NH(CH.sub.2).sub.x ].sub.y --NHR' where R is an aliphatic hydrocarbon radical having from 5 through 8 carbon atoms, R' is H, R or R", x is an integer of 2 or 3 and y is an integer of 2-4. A monoepoxide adduct of the monoalkyl substituted polyamine is also disclosed wherein R" may then become an aliphatic substituent (2-14 carbon atoms) which may contain (a) an oxygen atom, (b) a hydroxyl group or (c) an aromatic substituent such as a phenyl ring.Type: GrantFiled: July 20, 1978Date of Patent: March 25, 1980Assignee: Henkel CorporationInventor: Don E. Floyd
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Patent number: 4195154Abstract: The title compounds are of the formula: ##STR1## wherein R is a chemical bond, oxygen, sulfur, alkylene or alkylidene; W is hydrogen or a (--CR.sub.1 R.sub.2 --CR.sub.3 R.sub.4 --NHR.sub.5) group with the proviso that at least two W groups are (--CH.sub.1 R.sub.2 --CR.sub.3 R.sub.4 --NHR.sub.5) groups; wherein R.sub.1 -R.sub.4 are each independently hydrogen, lower alkyl or hydroxy-substituted lower alkyl; R.sub.5 is hydrogen or a ##STR2## group, wherein R.sub.6 is hydrogen, hydrocarbyl or inertly substituted hydrocarbyl; X, Y and Z are each independently inert substituents; m and p are each independently integers of from zero to four, inclusive; n is an integer of from zero to three, inclusive; q is a number of from zero to about ten; and M is alkylene or alkylidene. They are conveniently prepared by reacting a 2-oxazoline of the formula: ##STR3## with a polyhydric polyphenol of the formula: ##STR4## in the presence of certain metal salt catalysts (e.g. zinc acetate).Type: GrantFiled: August 15, 1977Date of Patent: March 25, 1980Assignee: The Dow Chemical CompanyInventors: Mark E. Kaiser, Harry A. Smith
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Patent number: 4185132Abstract: The disclosed coating method has the ability to satisfy some or all of the very troublesome requirements of highway marking or striping and is therefore useful to mark or stripe paved surfaces. The method involves:(a) supplying to the point of application an amine co-curative which includes an aliphatic amine (e.g. trimethyl hexamethylene diamine) and a cycloaliphatic amine (e.g. cyclohexane-bis[methylamine]);(b) supplying to the point of application a suitable curable liquid vicinal epoxide composition;(c) applying the co-curative and the liquid epoxide to the paved surface (preferably after intimately mixing the co-curative and the liquid epoxide); and(d) permitting the resulting mixture to cure in situ on the paved surface.Type: GrantFiled: April 17, 1978Date of Patent: January 22, 1980Assignee: H. B. Fuller CompanyInventor: Richard S. Gurney
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Patent number: 4183869Abstract: Novel thermosetting oligomers are formed by reacting epoxy prepolymers with aminoarylacetylenes. When heated to 170.degree. C. or above, these oligomers undergo acetylenic polymerization to form resins which exhibit superior thermal and hydrolytic stability when compared to conventionally cured epoxy resins.Type: GrantFiled: August 4, 1978Date of Patent: January 15, 1980Assignee: Hughes Aircraft CompanyInventor: Norman Bilow
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Patent number: 4163098Abstract: The coating compound according to the invention contains an epoxide resin, a diprimary amine curing agent and as modifier a hydrazone of the formula ##STR1## wherein the radical R.sup.1 -R.sup.4 represent hydrogen or alkyl, provides after curing coatings having a smooth, lustrous and glass-like surface which has a good resistence to chemicals.Type: GrantFiled: August 30, 1978Date of Patent: July 31, 1979Assignee: Ciba-Geigy CorporationInventors: Helmut Zondler, Wolfgang Schneider
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Patent number: 4152285Abstract: The present invention relates to curing agents for epoxy resins. More particularly, the present invention relates to water soluble or water-dispersible curing agents which are mixed with water dispersed or water emulsified epoxy resins to form coating compositions which are essentially free of volatile organic solvents or cosolvents and which have extended pot life at room temperature, but which cure under ambient conditions in less than 24 hours.Type: GrantFiled: December 12, 1975Date of Patent: May 1, 1979Inventor: Ivar P. Thomassen
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Patent number: 4142034Abstract: Epoxy resin compositions comprising a) a 1,2-epoxide compound containing two or more 1,2-epoxide groups per molecule, b) a cyanic acid ester having two or more cyanic ester groups per molecule, and c) an organic amine are provided.Type: GrantFiled: April 10, 1978Date of Patent: February 27, 1979Assignee: Cincinnati Milacron Inc.Inventor: Gene E. Schroll
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Patent number: 4136086Abstract: Curable mixtures of (a) epoxide compounds, (b) adducts containing mercapto groups, which adducts are produced by an advancement reaction of dimercapto compounds with diglycidyl compounds in an amount less than the equivalent amount, and (c) carboxylic anhydrides. The curable mixtures are suitable as casting resin mixtures, particularly for producing moulded articles of large volume.Type: GrantFiled: February 21, 1978Date of Patent: January 23, 1979Assignee: Ciba-Geigy CorporationInventors: Dieter Baumann, Heinz Rembold
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Patent number: 4132706Abstract: The trisubstituted (2,5-dihydroxyphenyl)phosphonium hydroxide inner salts and their hydrolyzed derivatives are novel latent catalysts for promoting reaction between vicinal epoxides and phenols and/or carboxylic acids (or anhydrides). Precatalyzed epoxy resins are easily prepared using such catalysts.Type: GrantFiled: April 5, 1976Date of Patent: January 2, 1979Assignee: The Dow Chemical CompanyInventors: George A. Doorakian, Lawrence G. Duquette
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Patent number: 4129556Abstract: Curable mixtures containing (a) a polyepoxide compound having on average more than one epoxide group per molecule and (b) a diamine which contains hydroxyl groups and has the general formula Ia or Ib ##STR1## IN WHICH R is an alkyl radical having 2 to 16 C atoms, an aralkylene radical having 7 to 12 C atoms, an arylene radical having 6 to 16 C atoms, a cycloaliphatic radical having 6 to 12 C atoms or a radical containing at least one N, O or S atom in chains or cyclic groups, and R.sub.1 is a hydrogen atom, a halogen atom or an alkyl group having 1 to 4 C atoms and in which, in formula Ia, the two OH groups are in the orthoposition or para-position relative to the methylene group, there being, in the mixtures, 0.5 to 1.5 equivalents of active hydrogen atoms, which are bonded to nitrogen and oxygen in the diamine containing hydroxyl groups, per 1 equivalent of epoxide groups.Type: GrantFiled: December 2, 1977Date of Patent: December 12, 1978Assignee: Ciba-Geigy CorporationInventors: Helmut Zondler, Roland Moser
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Patent number: 4119592Abstract: Rubbery bladders are produced by rotational casting a liquid polymer composition containing (1) an epoxy resin, (2) a liquid carboxyl-terminated polymer, (3) an amine, (4) a dihydric compound, and (5) a plasticizer. In order to obtain the desired flex and tear properties, the equivalent ratio of the other reactants to epoxy must be from about 0.70 to about 1.15. The valve area of the bladder is reinforced with a spun bonded fabric.Type: GrantFiled: February 25, 1977Date of Patent: October 10, 1978Assignee: The B. F. Goodrich CompanyInventor: Walter Thomas Murphy
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Patent number: 4119609Abstract: Adducts of epoxy compounds with amino-substituted aromatic carboxylic acids are described. These carboxyl-containing adducts may be cured with conventional epoxy curing agents or solubilized to prepare aqueous coating systems.Type: GrantFiled: March 28, 1977Date of Patent: October 10, 1978Assignee: Shell Oil CompanyInventors: Roy A. Allen, LeRoy W. Scott
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Patent number: 4115296Abstract: To accelerate the curing of epoxide resins by particular curing agents, i.e., polyamines, polyaminoamides, polycarboxylic acids, or polycarboxylic acid anhydrides, there is employed an aliphatic or araliphatic monocarboxylic acid group at least two halogen atoms chosen from fluorine and chlorine atoms, or a salt thereof, such as magnesium trifluoroacetate and magnesium trichloroacetate.Type: GrantFiled: December 16, 1976Date of Patent: September 19, 1978Assignee: Ciba-Geigy CorporationInventor: Christopher Michael Andrews
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Patent number: 4113541Abstract: An improved method of bonding is disclosed using an epoxy resin composition which incorporates a select group of chlorine-containing polyols.Type: GrantFiled: June 17, 1977Date of Patent: September 12, 1978Assignee: Olin CorporationInventors: Richard J. Turley, Alexandre Ozolins
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Patent number: 4111771Abstract: New crosslinkable tetra-imidyl derivatives are described which are obtained by reaction of 3,5-bis-imidylphthalic acid derivatives, e.g. 3,5-bis-maleimidyl-phthalic acid anhydride, with monomeric, oligomeric or polymeric diamines. The new crosslinkable tetra-imidyl derivatives are suitable for the production of various shaped articles, such as coating compositions and mouldings, and are distinguished by their good crosslinking properties.Type: GrantFiled: December 6, 1976Date of Patent: September 5, 1978Assignee: Ciba-Geigy CorporationInventors: Roland Darms, Vratislav Kvita, Gerd Greber
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Patent number: 4098769Abstract: Linear copolyesters formed from (A) isophthalic acid and, optionally, terephthalic acid and (B) bis(4-beta-hydroxyethoxyphenyl) sulfone and ethylene glycol are described. The linear polyesters contemplated have glass transition temperatures higher than that of poly(ethylene terephthalate) and oxygen and CO.sub.2 permabilities less than that of poly(ethylene terephthalate).Type: GrantFiled: July 5, 1977Date of Patent: July 4, 1978Assignee: Owens-Illinois, Inc.Inventor: Santos W. Go