Abstract: Coatings obtainable from crosslinkable polyesters resins based on perfluoropolyethers obtainable from hydroxy-terminated PFPE, with acid anhydride and/or a diacid, a polyol with functionality higher than 2 and optionally in mixtures of diols having a functionality of 2, the resins being also even 70% weight/weight soluble in xylene.

Abstract: 3-Azidomethyl-3-nitratomethyloxetane, a novel oxetane compound, is used as a monomer for the formation of homopolymers and copolymers with other known energetic oxetane monomers. The polyethers of the present invention can be subsequently cured to form elastomers suitable for use as energetic binders in propellant formulations or the like.

Abstract: Cross-linked epoxy resins having nonlinear optical properties may be used in nonlinear optical media. These cross-linked epoxy resins may have the following structure: ##STR1## Z.sup.1 and Z.sup.2 being NLO-chromophores.

Abstract: Fluorine-substituted epoxides of the formula ##STR1## in which the substituents R.sub.1 to R.sub.4, independently of one another, have the following meanings:R.sub.1 to R.sub.4 =H, fluorine, C.sub.1 - to C.sub.18 -alkyl in which some or all of the hydrogens may be substituted by fluorine, and at least one of the substituents R.sub.1 to R.sub.4 is a completely fluorinated alkyl or an alkyl of the formula--(CH.sub.2).sub.m --(C.sub.n F.sub.2n+1),in which m is 1 or 2, and n is an integer from 1 to 17, and x is 0 or 1.Furthermore, a method for the preparation of fluorine-substituted epoxides is described.

Abstract: Polymers and copolymers are derived from substituted macrocyclic metal chelators. These polymers may be cross-linked, and are typically insoluble in most solvents. The metal complexes of these polymers exhibit the useful catalytic activity of the monomers. The polymers are advantageously prepared by reacting a polybasic nucleophile with the substituted macrocyclic metal chelator. Copolymers of the macrocyclic metal chelators with other polyfunctional monomers are also formed by reaction with suitable polybasic nucleophiles. Suitable macrocyclic metal chelators for use as monomers in accordance with the present invention have at least one leaving group substituent which is labile for aromatic nucleophilic substitution and at least one electronegative (or electron-withdrawing) substituent.

Abstract: Disclosed are glycidyl diamines having the formulas ##STR1## where n is 1 or 2, m is 0, 1, or 2, X is Y or ##STR2## and Y is --, O, S, SO, SO.sub.2, CO, C(CH.sub.3).sub.2, or C(CF.sub.3).sub.2. An epoxy resin can be made by mixing the glycidyl diamine with an epoxy curing agent. The epoxy resins can be used as adhesives or to make composites.

Abstract: The present invention is directed to an epoxy-containing polymeric material having nonlinear optical properties, particularly a glycidyl amine polymer, and a process for making the nonlinear optical (NLO) epoxy-containing polymeric material including poling the polymeric material under high voltage at elevated temperature for a period of time to bring about orientation of the nonlinear optical functionalities in the polymer. The polymers have enhanced thermal stability and good NLO properties.

Abstract: An epoxy resin composition comprising an epoxy resin, a curing agent and an inorganic filler is adapted for semiconductor encapsulation. A fluorinated organic silicon compound is blended in the composition as a coupling agent whereby the composition is improved in adhesion and moisture resistance.

Abstract: There are disclosed dibenzofuran amorphous polymer comprising a recurring unit represented by following formula (II) and having a molecular weight giving a reduced viscosity of at least 0.2 dl/g as measured in the form of a 0.5% (W/V) solution in N-methyl-pyrrolidone at 25.degree. C., a process for producing said amorphous polymer, a dibenzofuran copolymer comprising, in addition to a recurring unit represented by following formula (II), at least one type of recurring unit represented by following general formula (III) in a specific proportion and having a molecular weight giving a reduced viscosity of at least 0.2 dl/g as measured in the form of a 0.5% (W/V) solution in concentrated sulfuric acid at 25.degree. C., and a process for producing said copolymer. ##STR1## wherein A is --O--, --CO--, --S--, --SO.sub.2 --, a divalent alkylene group or a single bond and n is a number of 0, 1 or 2.

Abstract: The present invention is directed to an epoxy-containing polymeric material having nonlinear optical properties, particularly a glycidyl amine polymer, and a process for making the nonlinear optical (NLO) epoxy-containing polymeric material including poling the polymeric material under high voltage at elevated temperature for a period of time to bring about orientation of the nonlinear optical functionalities in the polymer. The polymers have enhanced thermal stability and good NLO properties.

Abstract: Chloro- and fluorosubstituted dioxolane containing oxazolines and oxazines, and their polymers are disclosed. The polymers are useful for surface modification of other polymers.

Abstract: A class of fluorinated polyols which when added to formulated dispersions used to make a magnetic particle based coating not only improves the dispersion of the particles in the formulation during manufacture but also improves the wear characteristics of the cured coating during use. The fluorinated polyol may be prepared either by the reaction of a diglycidyl ether with a diol or by the reaction of two diols with epichlorohydrin.

Abstract: The partially fluorinated alkene 4,4,4-trifluoro-2-methyl-1-butene is produced by the selective dehydrochlorination of 3-chloro-1,1,1-trifluoro-3-methylbutane in the presence of a suitable base at elevated temperatures. The alkene is converted to 1,2-epoxy-4,4,4-trifluoro-2-methylbutane which is polymerizable in the presence of an aluminum coordination catalyst. A copolymer can be made with epichlorohydrin.

Abstract: The subject invention relates to a process for the deposition of an oxygen-containing high fluoropolymer thin film onto an approxpriate substrate comprising loading the substrate in an enclosed reactor; evacuating the reactor; charging the reactor with an inert carrier gas and an oxygen-containing fluorocarbon monomer feed gas; and plasma-polymerizing the feed gas such that a thin film of polymerized monomer is deposited onto the substrate.The invention further relates to an insulation material comprising the fluoropolymer thin film recited above, a plasma polymerized thin film of an oxygen-containing fluoropolymer, and the use of a polymerization precursor monomer for such thin films that is an oxygen-containing fluorocarbon monomer.

Abstract: Fluorinated polymers having epoxy resin structure, containing at least 10% by weight, preferably 20% by weight, of fluorine, prepared starting from epichlorohydrin and from one or more diols, at least one of which being a perfluoroalkylene diol, and by using conventional cross-linking agents for epoxy resins, such as anhydrides of dicarboxylic acids, di- or tri-isocyanates, polyfunctional amines.

Abstract: A halogen-containing polyether comprising repeating units of the formula:--(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.2 --(CHClCF.sub.2 CF.sub.2 O).sub.b --(CCl.sub.2 CF.sub.2 CF.sub.2 O).sub.c --(CHFCF.sub.2 CF.sub.2 O).sub.d --(CFClCF.sub.2 CF.sub.2 O).sub.e --(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.f --(I)wherein a, b, c, d, e and f are each an integer not less than 0 and satisfy the following equations:2.ltoreq.a+b+c+d+e+f.ltoreq.200and1.ltoreq.a+c+d+f,which may be prepared by ring-opening polymerizing 2,2,3,3-tetrafluorooxetane in the presence of an polymerization initiator to give a polyether comprising repeating units of the formula:--(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.a -- (II)wherein a is the same as defined above, and optionally fluorinating and/or chlorinating the polyether (II).

Abstract: Fluorinated polymers having epoxy resin structure, containing at least 10% by weight, preferably 20% by weight, of fluorine, prepared starting from epichlorohydrin and from one or more diols, at least one of which is a perfluoroalkylene diol, and by using conventional cross-linking agents for epoxy resins, such as anhydrides of dicarboxylic acids, di- or tri-isocyanates, polyfunctional amines.

Abstract: Perfluoropolyethers containing an approximate equal number of difluoromethylene and tetrafluoroethylene repeat units distributed either randomly or in alternating sequence along the polymer chain are disclosed. The polymers range in molecular weight from 500-200,000 amu; the lower molecular polymers being fluid and the intermediate and high molecular weight polymers being solid. The perfluorinated copolymers are synthesized by direct fluorination of corresponding methylene oxide/ethylene oxide copolymers.

Abstract: New resins containing urethane and/or epoxy bonds are prepared starting from fluorinated polymers having an epoxy structure and exhibiting structural characteristics predominantly typical of epoxides or of polyols, said polymers being prepared by synthesis from one or more diols, at least one of which being a perfluoropolyoxyalkylene diol, and from epichlorohydrin; said polymers are subsequently subjected to a treatment with isocyanated if their structural characteristics are predominantly those of polyols, or with polyamines or anhydrides if their structural characteristics are predominantly those of epoxides.

Abstract: This invention provides novel polyoxyalkylene polymers which exhibit nonlinear optical response, and which have utility as a transparent optical component in electrooptic light modulator devices.

Abstract: A novel polyaminoamide of the formula: ##STR1## wherein R.sub.m and R.sub.m ' are, the same or different, a hydrogen atom or a monovalent organic group and A.sub.m is a divalent organic group, or R.sub.m and/or R.sub.m ' form a cyclic group together with A.sub.m and the nitrogen atom to which they are bonded. m changes from 1 to p (where p is a positive integer) and n.sub.m is a positive integer, which can be prepared by reacting a 2,2,3,3-tetrafluorooxetane of the formula: ##STR2## with m kind(s) of diamine(s) of the formula: ##STR3## wherein m is the same as defined above.

Abstract: Perfluoropolyether oligomers or block polymers, having a backbone with one or a plurality of perfluoropolyether segments each consisting essentially of (1) at least one perfluoroisopropyleneoxy unit, (2) a bis(perfluoromethyleneoxy-terminated) unit, and (3) a perfluoroethylidene unit terminating each segment, the backbone of the perfluoropolyether being terminated with COF and/or a functional or nonfunctional derivative thereof, said perfluoropolyethers being made by reacting a perfluoroaliphatic diacid fluoride with hexafluoropropylene epoxide to produce an acid fluoride-terminated perfluoropolyether adduct or oligomer which then can be photopolymerized to yield an acid fluoride-terminated perfluoropolyether block polymer. These oligomers and block polymers are useful as high temperature lubricants, hydraulic fluids, gaskets, adhesives and coatings as well as co-reactants wtih urethane in forming propellant binders.

Abstract: The adhesive composition or compound of the invention comprises an epoxy resin, a reactive diluent and a hardener, and at least one of said components contains fluorine atoms. The adhesive composition containing fluorine atoms, according to the invention, provides a cured or hardened composition having small refractive index due to the presence of fluorine atoms. The refractive index of the hardened product may be freely controlled within the range of n.sub.D.sup.23 =1.415 to n.sub.D.sup.23 =1.570.The adhesive composition may be applied for the production of optical members for use in a communication system utilizing optical fibers or in a variety of optical instruments, and has improved heat resistance and adhesive property and is improved in matching of the refractive index with that of the material used for the optical member, such as optical fibers or glasses having lower refractive index used in a lens system.

Abstract: A novel copolymer comprising(a) repeating units of the formula:--OCH[(CH.sub.2).sub.p R.sub.f ]CH.sub.2 -- (Ia)or--OCH.sub.2 CH[(CH.sub.2).sub.p R.sub.f ]-- (Ib)wherein R.sub.f is C.sub.3 -C.sub.21 perfluoroalkyl and p is an integer of 1 to 10 and(b) repeating units of the formula:--(OCH.sub.2).sub.m (CH.sub.2).sub.n -- (II)wherein m is an integer of 1 to 4 and n is an integer of 2 to 10 when m is 1, an integer of 1 to 8 when m is 2 or an integer of 0 to (12-2m) when m is 3 or 4,--OCH.sub.2 CR.sup.1 R.sup.2 CH.sub.2 -- (III)wherein R.sup.1 and R.sup.2 are each hydrogen, CH.sub.3, CH.sub.2 Cl, CH.sub.2 F, CH.sub.2 OCH.sub.3, CH.sub.2 OC.sub.2 H.sub.5, CH.sub.2 OCOCH.sub.3, CH.sub.2 OC.sub.6 H.sub.5, CH.sub.2 OH or CH.sub.2 CN provided that at least one of them is not hydrogen,--OCH.sub.2 (OCH.sub.2 CH.sub.2).sub.q -- (IV)wherein q is 2 or 3, and/or--[(R.sup.3).sub.r --COO]-- (V)wherein R.sup.3 is CH.sub.2 or CF.sub.

Abstract: Perfluoro(2,2-dimethyl-1,3-dioxole) forms oligomers on standing in the presence of an ether. The preferred ethers are aliphatic and cycloaliphatic, especially tetrahydrofuran. Free radical generators, especially peroxydicarbonates, may be added to the reaction medium. The oligomers have a degree of polymerization of about 2-8. They are useful as lubricants, hydraulic fluids, heat transfer agents, and plasticizers, and as intermediates to oligomeric acid fluorides and acids, which acids are useful surfactants.

Abstract: A process for quenching metals, particularly steel, using as the quenching bath an aqueous composition containing (a) a substituted oxazoline polymer and (b) an N-vinyl heterocyclic polymer or copolymer in which the heterocyclic group is composed of carbon, nitrogen and hydrogen. The quenching bath provides reduced cooling rates through the martensite temperature ranges.

Abstract: Metal, such as steel, is quenched in a quenching bath comprising an aqueous solution of a substituted oxazoline polymer, one example of which is polyethyloxazoline having a molecular weight of 50,000 to 500,000. The bath is capable of providing quenching effects similar to those produced by oil quenchants, as well as quenching times between those provided by oil and water.

Abstract: An epoxy compound includes one or two aromatic rings, one N-diglycidyl group per aromatic ring and one or two halogen or halogen-containing groups per aromatic ring, the epoxy compound having the general formula: ##STR1## in which Y is selected from A and ##STR2## each A being independently selected from halogen, halogen containing group and H, provided that at least one of the groups A per aromatic ring is a halogen or halogen containing group. In any one compound, when A is a hologen or halogen containing group, it is preferred that each A is the same.When the epoxy compound contains only one aromatic ring the group A may be a polyfluoroalkyl group in which case one or two such groups may be attached to the aromatic ring; or a polyfluoro-alkoxy group, in which case only one such group is attached to the aromatic ring.When the epoxy compound contains two aromatic rings, the group A may be Cl, Br, or a polyfluoroalkyl group and one or two such groups may be attached to each aromatic ring.

Abstract: Perfluoroglycidyl ethers of the formula ##STR1## are prepared by epoxidation of a perfluorodiallyl ether of the formula:CF.sub.2 .dbd.CFCF.sub.2 OR.sub.F.The glycidyl ethers are useful as monomers for preparing polymers which provide crosslinking or cure sites and are stable elastomeric materials useful as sealants, caulks, and fabricated objects.

Abstract: Perfluoroglycidyl ethers of the formula: ##STR1## are prepared by epoxidation of a perfluoroallyl ether of the formula:CF.sub.2 .dbd.CFCF.sub.2 OR.sub.F.The glycidyl ethers are useful as monomers for preparing polymers which are useful as stable oils and greases. Polymers containing functional moieties which provide crosslinking or cure sites are stable elastomeric materials useful as sealants, caulks, and fabricated objects.

Abstract: A process for preparing polyphosphazene polymers containing fluoroalkoxy and/or aryloxy substituents is provided. The process involves the reaction of a fluoroaliphatic alcohol or a substituted or unsubstituted aromatic alcohol or mixture of such alcohols with sodium hydroxide in an organic solvent or mixture of organic solvents which under appropriate conditions will form an azeotrope with water produced by the reaction. Water produced by the reaction is removed from the reaction mixture by azeotropic distillation thereby producing substantially dry sodium salts of said alcohols. The substantially dry sodium salts of the alcohols are then reacted with a linear polydichlorophosphazene polymer to produce polyphosphazene polymers containing fluoroalkoxy and/or aryloxy substituents.

Abstract: Purified hexafluoropropylene oxide is produced by scrubbing to remove impurities that inhibit polymerization of hexafluoropropylene oxide, thus permitting the preparation of polymers having a degree of polymerization of more than 200, including end-capped and chain-extended derivatives thereof.

Abstract: New 1,1,1-triaryl-2,2,2-trifluoroethanes in which the aryl radicals carry one or more substitutents have been prepared by condensation of trifluoroacetophenones with substituted phenyl compounds in the presence of catalytic quantities of trifluoromethylsulfonic acid. The reaction can be carried out under reflux in toluene or, for strikingly better results in certain cases, reactants are simply stirred at room temperature for about 24 to 48 hours.

Abstract: An epoxy resin composition which comprises:(1) a monoepoxide having at least one perfluoroalkyl group in one molecule; and(2) an epoxy resin having two or more epoxy groups in one molecule, the weight ratio of (1):(2) being 0.05:99.95 to 50:50. The composition can be cured with a curing agent to give a cured product having improved water-proof, oil-resistance and anti-contamination properties.

Abstract: An epoxy resin composition which comprises (1) an epoxy resin represented by the formula: ##STR1## wherein n is an integer of 4 to 18 and (2) at least one of an initial condensation product of amino resin, an initial condensation product of amide resin and an initial condensation product of phenol-formaldehyde, which can afford hardened products being improved in contamination-preventing property, particularly adhesion resistance at high temperatures.

Abstract: Fluorovinyl ether polymers consisting essentially of 60 to 99.9 mole percent of monomeric units --CF.sub.2 CFY-- and 0.1 to 40 mole percent of the structural units ##STR1## wherein Y is F, H, Cl, Br, R.sub.f or OR.sub.f, R.sub.f is perfluoroalkyl, R is alkyl, Q is F or OR, and m is 0 or 1, are prepared by contacting a fluoropolymer of the formula (CF.sub.2 CFY).sub.x wherein at least 1% of the Y's are reactive sites selected from the group consisting of H, Cl and Br, with an alkali or alkaline earth metal alkoxide.Electrolytic cell diaphragms are prepared by forming the above fluorovinyl ether polymer and fibrous material into a diaphragm, heating the diaphragm thereby converting alkyl ether groups to carbonyl groups, and treating with an alkali metal hydroxide thereby converting carbonyl groups to carboxylate ion groups.