Abstract: The invention comprises polymers which have been functionalized so as to be able to chemically react with polyamines to form adducts containing at least one or more groups consisting of amino, amido, imino, imido, or imidazloyl. Furthermore, the invention teaches processes to prepare these adducts by solution, melt or in-situ methods. A further embodiment of the invention pertains to the use of polyolefin plastomers or elastomers, elastomeric polyethylene-polypropylene, compositions or interpolymers of styrene-&agr; olefins, which have been chemically modified so that they react with polyamines to confer to asphalt significantly improved desired chemical and physical properties.

Abstract: The present invention is a polymer modified bituminous composition having improved phase stability, heat aging and viscosity characteristics. The bituminous compositions are blends comprising bitumen and from about 0.5 to about 25% of a novel anionic block copolymer where one of the blocks is a controlled distribution copolymer of a conjugated diene and a mono-alkenyl arene having a specific arrangement of the monomers in the copolymer block. The composition of the invention is useful for paving, roofing felts, water-proof membrane, adhesive, mopping asphalt, carpet backing and pipe coating applications.

Abstract: This invention discloses a resin which is particularly useful in making paraffinic solvent based paints, said resin being comprised of repeat units which are derived from (a) about 5 to about 60 weight percent tertiary-butyl cyclohexyl methacrylate, (b) 0 to about 40 weight percent vinyl aromatic monomers, (c) about 20 to about 80 weight percent alkyl methacrylate monomers, and (d) about 1 to about 30 weight percent alkyl acrylate monomers. These resins exhibit good hardness and excellent resistance to ultraviolet light. More importantly, coatings made with these resins are highly resistant to yellowing and discoloration on exposure to ultra-violet light over long periods of time.

Abstract: A rubber composition comprises 5 to 150 parts by weight of an inorganic filler, 0 to 30 parts by weight of a silane coupling agent and 5 to 100 parts by weight of a vegetable oil having an iodine number of at most 130, based on 100 parts by weight of a diene rubber. A natural rubber is preferably used as the diene rubber. The rubber composition can reduce rolling resistance with decreasing the amount of petroleum oils to be used.

Abstract: A composition including 8-hydroxyquinaldine and an N-acyl taurate is useful in compounding elastomer compositions. Compositions are described containing elastomers such as rubbers, metal oxides, plasticizers, fillers, antidioxants and curing agents. Rubber compositions of the invention have utility in a wide variety of applications.

Abstract: A black thermoplastic molding composition which containing a dye combination made from nonabsorbing, non-black polymer-soluble dyes which produce a black thermoplastic molding composition which is translucent or transparent to laser light.

Abstract: The present invention is drawn to colorless toner compositions for overcoating a print having an ink jet ink image printed thereon. The colorless toner can comprise: a toner resin and at least two additives independently selected from the group consisting of ultraviolet absorbers, free radical inhibitors, thermal stabilizers, and combinations thereof, wherein the ratio of toner resin to total additive is from 1:1 to 99:1 by weight. The colorless toner can also be comprised of a charge control agent and/or a low-melt wax.

Abstract: The present invention relates to a novel resin composition which is excellent in the balance of impact resistance, chemical resistance and fluidity as well as heat resistance and flame retardancy, and to a method for obtaining the composition. Particularly, it relates to a resin composition comprising: (A) 70 to 99 parts by weight of a polyphenylene ether resin, and (B) 1 to 30 parts by weight of a liquid-crystal polyester, wherein the polyphenylene ether resin in the composition contains 10 to 30 wt. % of polymer having a molecular weight of 20,000 or less and has a molecular weight distribution (Mw/Mn) of 1.8 to 3.5.

Abstract: A novel antioxidant has the advantages of both the hindered phenols and the phosphite antioxidant is prepared from phosphorus trichloride and 2,5-di-tert-butylhydroquinone, such as tetrakis-(2,5-di-tert-butyl-4-hydroxyphenyl)-2,5-di-tert-butyl-hydroquinonediyl diphosphite.

Abstract: A coating system for in-situ coating of a surface formed by a plurality of plasterboard sections comprises a dry powder composition which is dispersible in an aqueous applicator medium and provides a very high quality surface finish to which gloss or matt paint may be applied directly without joint photographing or show-through of fasteners. The coating composition may be applied by a spray coating technique or a roller technique. The dry powder composition comprises calcium carbonate and, by weight, relative to calcium carbonate, from 4% to 11% of a polymeric binder, from 0.60% to 1.5% of a thickening agent and from 0.10% to 0.35% of a surfactant.

Abstract: Processes for utilizing various emulsion polymerization procedures for preparing aqueous nanocomposite dispersions are disclosed. The disclosed processes include both in-situ polymerizations in the presence of at least partially exfoliated, lightly modified clays as well as admixtures of polymer dispersions with at least partially exfoliated, lightly modified clay dispersions. The disclosed nanocomposite dispersions are useful for preparing a variety of materials, such as coatings, adhesives, caulks, sealants, plastics additives, and thermoplastic resins. Processes for preparing polymer nanocomposite powders and use of these powders as plastic resin and plastics additives are also disclosed.

Abstract: This invention relates to nanocomposites comprised of a functionalized elastomeric polymer, including oligomers which are elastomeric, which contains a particulate dispersion therein of an intercalated, and at least partially exfoliated, swellable clay, such as for example montmorillonite clay. Said clay may be pre-intercalated and thereafter blended with, or intercalated and at least partially exfoliated in situ within, a functionalized elastomer in an aqueous medium, wherein said functionalized elastomer contains at least one functional group selected from acid, acid-salt, anhydride, and protonated amine-modified epoxy groups. The invention further relates to articles of manufacture, including industrial belts and tires, having at least one component comprised of such nanocomposite where such component may be a coating thereon or other integral component. Such tire component may be, for example, a tire tread, tire sidewall and/or tire innerliner.

Abstract: A thermoplastic composition which is obtained by melt-kneading (1) 55 to 75 wt. % crystalline polypropylene resin together with (2) 10 to 30 wt. % elastomer comprising either a rubber containing a vinyl aromatic compound or a mixture thereof with an ethylene/&agr;-olefin random copolymer rubber and (3) 15 to 25 wt. % talc having an average particle diameter of 3 &mgr;m or smaller. The composition satisfies specific requirements with respect to: the long period obtained by X-ray small-angle scattering attributable to the vinyl aromatic-containing rubber in a blend obtained by melt-kneading the ingredients (1) and (2); the shape and diameter of the elastomer particles present near the polypropylene/elastomer interface in the blend; and the difference between the glass transition point of the ingredient (1) and that of the composition attributable to the crystalline polypropylene homopolymer parts.

Abstract: Molding compositions for sheet and bulk molded products having improved toughness comprise an unsaturated polyester, a monomer which is copolymerizable with the polyester, a thermoplastic polymer, a filler and a reinforcing agent.

Abstract: A liquid fluoropolyether base rubber composition comprising (A) a linear fluoropolyether compound containing at least two alkenyl groups and having a perfluoroalkyl ether structure in its backbone, (B) a silica filler having a specific surface area of at least 100 m2/g and a bulk density of 100-200 g/l, (C) a curing amount of an organosilicon compound having at least two silicon-bound hydrogen atoms, and (D) a hydrosilylation catalyst is unlikely to thicken despite filler loading, is suitable for liquid injection molding and curable into products having improved mechanical properties as well as water repellency, oil repellency, solvent resistance, chemical resistance and weather resistance.

Abstract: A fluoropolyether base rubber composition comprising (A) a linear fluoropolyether compound containing at least two alkenyl groups and having a perfluoroalkyl ether structure in its backbone, (B) a surface hydrophobized silica filler having a specific surface area of at least 100 m2/g and a vinyl content of 1×10−3 to 2×10−2 mol/100 g, (C) a curing amount of an organosilicon compound having at least two SiH groups, and (D) a hydrosilylation catalyst is curable into products having improved compression set as well as water repellency, oil repellency, solvent resistance, chemical resistance and weather resistance and finding typical use as O-rings.

Abstract: A butyl rubber composition, which comprises 100 parts by weight of butyl rubber and 30 to 150 parts be weight of carbon black having a CTAB specific surface area of 30 to 100 m2/g and preferably further contains 10 to 100 parts by weight of a flat filler having an average particle size of 1 to 40 &mgr;m and an aspect ratio of 5 or more and 0.05 to 5 parts by weight of a coupling agent of organometallic compound is provided. The butyl rubber composition can give vulcanization molded products capable of effectively sealing a carbon dioxide refrigerant without generation of blisters, etc. therein.

Abstract: There is provided a resin powder for molding which comprises 35 to 98% by weight of a polytetrafluoroethylene powder having an average particle size of not more than 120 &mgr;m, 35 to 2% by weight of a heat resistant aromatic polyoxybenzoyl ester resin powder subjected to water repelling treatment and 30 to 0% by weight of an inorganic filler, has an apparent density of not less than 0.6 g/cm3 and an average particle size of not more than 800 &mgr;m, and provides a molded article having an elongation at break of not less than 20%. The resin powder for molding is free from separation of a filler, has excellent flowability and apparent density which are important characteristics in handling the powder, and can provide a PTFE molded article having a high elongation which has not been obtained.

Abstract: An optical material is a mixture of materials comprising a first material having a refractive index of not more than 1.45 for the d-line and a second material having an Abbe's number, indicating wavelength dispersion in the visible region, of not more than 25. A relation between the refractive index for the d-line (nd) and the Abbe's number (&ngr;d) is defined as follows: nd≦−6.667×10−3&ngr;d+1.70.

Abstract: An aqueous dispersion comprising an alkyd, vinyl polymer I, vinyl polymer II and a liquid medium where vinyl polymer I is preformed prior to incorporation into the aqueous dispersion and where vinyl polymer II is prepared in the presence of the alkyd and the vinyl polymer I.

Abstract: By coating a dip-formed article with a coating agent comprising a polymer latex dispersion-stabilized with a water-soluble high-molecular-weight compound containing an alcoholic hydroxyl group, a coated article having excellent donning and putting off properties and anti-blocking property, and exhibiting greatly reduced fine particles-releasability is obtained.

Abstract: The present invention provides a polymer alloy including from about 40% to about 75% by weight of at least one polyamide, from about 10% to about 50% by weight polypropylene, from about 0.01% to about 1.0% by weight of at least one block copolymer including a vinyl aromatic monomer and a conjugated diene, and also includes an unsaturated dicarboxylic reagent, from about 0.1% to about 5.0% by weight of at least one block copolymer or terpolymer, wherein the terpolymer may have an unsaturated dicarboxylic reagent grafted thereto, from about 0.01% to about 7.5% of a compatibilizing agent, and from about 5% to about 50% by weight of a filler. The alloy of the present invention exhibits improved knitline strength and improved drop impact results compared with prior art fiberglass-reinforced nylon blends.

Abstract: The present invention provides a resin composition based on crystalline polypropylene which includes: (a) 3-65% by weight of a component soluble in paraxylene of 23° C., (b) 35-97% by weight of a component soluble in paraxylene of 135° C. and insoluble in paraxylene of 23° C., and (c) 0-30% by weight of a compoent insoluble in paraxylene of 135° C. The component (a) soluble in paraxylene of 23° C. is composed substantially of an elastomeric constituent (a1) having a content of styrene or its derivative in the range of 0-35% by weight and an intrinsic viscosity (n) in the range of 0.1-5 dl/g, the component (b) soluble is paraxylene of 135° C. and insoluble in paraxylene of 23° C.

Abstract: A flexible thermal control composite comprising a natural or synthetic polymer and an endotherm dispersed, distributed and suspended within said natural or synthetic polymer i.e. “P”olymer “C”ontaining an “E”ndothermic “A”gent (PCEA). The PCEA can be formed into thin and thick films. It can be drawn, molded, extruded and spun into fibers or all dimensions. It can be formed and chopped into PCEA mulch. Irrespective its final form, the PCEA can be used in insulating, thermoprotecting, heat absorbing applications on the one hand, and heat maintenance applications of all types on the other.

Abstract: This invention discloses a method for preparing imides (I) and (II) from compounds having a sulfonyl fluoride functional group. The imides so prepared are useful in a variety of catalytic and electrochemical applications.

Abstract: Coating compositions are provided which are formed from components comprising (a) at least one polysiloxane comprising at least one reactive functional group; (b) at least one reactant comprising at least one functional group that is reactive with at least one functional group selected from the at least one reactive functional group of the at least one polysiloxane and at least one functional group of at least one reactant; and (c) a plurality of particles, wherein each component is different, and wherein the at least one reactive functional group of the at least one polysiloxane and the at least one functional group of the at least one reactant are substantially nonreactive with the particles. A multi-component composite coating composition formed from a basecoat and a topcoat deposited from the curable coating composition also is provided.

Abstract: A method of making a cosmetic composition comprising the reaction products of MaMHbMEcDdDHeDEfTgTHhTEiQj where M=R1R2R3SiO1/2; MH=R4R5HSiO1/2; ME=R6R7RESiO1/2; D=R8R9SiO2/2; DH=R10HSiO2/2; DE=R11RESiO2/2; T=R12SiO3/2; TH=HSiO3/2; TE=RESiO3/2; and Q=SiO4/2; where R1, R2, R3, R8, R9 and R12 are independently monovalent hydrocarbon radicals having from one to sixty carbon atoms; R4, R5 and R10 are independently monovalent hydrocarbon radicals having from one to sixty carbon atoms or hydrogen; R6, R7, R11 are independently monovalent hydrocarbon radicals having from one to sixty carbon atoms or RE; each RE is independently a monovalent hydrocarbon radical containing one or more oxirane moieties having from one to sixty carbon atoms; the stoichiometric subscripts a, b, c, d, e, f, g, h, i, and j are either zero or positive subject to the following limitations: a+b+c>1; b+e+h>1; c+f+i>1; b+

Abstract: The invention relates to thermoplastic compositions comprising: −40 to 97 parts of a thermoplastic polymer (M) forming a matrix, chosen from polyamides, polyamide block copolymers, fluoro polymers, polycarbonate, styrene resins, PMMA, thermoplastic polyurethanes (TPU), copolymers containing polyester blocks and polyether blocks, polycarbonate-polyester alloys, polyketones, PVC and ethylene-vinyl alcohol copolymers (EVOH), −60 to 3 parts of (B) comprising: either an ethylene-alkyl (meth)acrylate copolymer (B1), the alkyl having at least 5 carbon atoms, which copolymer (B1) carries a functional group or a blend of an ethylene-alkyl (meth)acrylate copolymer (B2), the alkyl having at least 5 carbon atoms, which copolymer (B2) does not carry a functional group, and of an impact modifier which carries a functional group.

Abstract: A shape memory polymer which is a reaction product of styrene, a vinyl compound, a multifunctional crosslinking agent and an initiator. The shape memory polymer has particular application as a contact lens mold.

Abstract: The present invention provides a three-piece solid golf ball having excellent flight performance and good shot feel when hit by an iron club, and, excellent controllability and good shot feel when hit by a driver. The present invention relates to a three-piece solid golf ball including a core, an intermediate layer formed on the core, and a cover covering the intermediate layer, wherein the core has a JIS-C surface hardness of 65 to 83 and a deformation of 2.8 to 5.3 mm when applying an initial load of 10 kgf to a final load of 130 kgf on the core, a JIS-C hardness of the core is substantially uniform from its center to surface, the intermediate layer has a Shore D hardness of 63 to 70, the cover has a Shore D hardness of 45 to 62, and a Shore D hardness difference between the intermediate layer and the cover is 3 to 20.

Abstract: A novel one-pot cost efficient process for the preparation of homo-, co- and terpolymers of p-hydroxystyrene or substituted p-hydroxystyrene and alkyl acrylates. The process involves polymerization of esters of p-hydroxystyrene (or its substituted analogs), alkyl acrylate monomers and/or one or more of ethylenically unsaturated monomers in an alcohol solvent in the presence of a free radical initiator. The reaction mixture containing the so formed polymer is subjected to transesterification conditions using a catalytic amount of catalyst to result in co- and/or terpolymers of p-hydroxystyrene without cleavage of the alkyl ester in the acrylate repeat unit, and then removing the catalyst from the system. Preferred embodiments include homopolymers of p-hydroxystyrene, copolymer of p-hydroxystyrene and tert-butyl acrylate and terpolymer of p-hydroxystyrene, tert-butyl acrylate and styrene. These polymers have a wide variety of applications including as photoresists in microelectronics industry.

Abstract: By allowing a compound having an epoxy group in a composition containing at least a polymer or compound having a five-membered ring dithiocarbonate group represented by the following general formula (I) and a nucleophilic reagent, or in a cured article obtained by curing the composition, it is possible to inhibit emission of odors from the composition or the cured article, wherein R1, R2 and R3 are the same or different and each represents a hydrogen atom or a lower alkyl group.

Abstract: A network consisting essentially of poly(propylene fumarate) cross linked with diacrylate and a method for making same.

Abstract: Sulfur-functional polyorganosiloxanes corresponding to the general formula I with substituents as described in the specification, corresponding to the general formula I They can be used in rubber mixtures.

Abstract: Re-processable thermoplastic elastomer composition comprising (A) a thermoplastic polyurethane polymer, and (B) a silicone elastomer, wherein the weight ratio of the silicone elastomer to the thermoplastic polyurethane polymer is from 5:95 to 85:15, are disclosed along with methods for making such compositions.

Abstract: The invention refers to a molecularly imprinted polymer, a method of preparing a molecularly imprinted polymer material, and the use thereof. According to the invention a support comprising at least one monomer, and a template, in a polymerization medium is polymerized with a free radical initiator, whereafter the template is removed from the molecularly imprinted polymer obtained. The polymerization is confined to the surface of the support, preferably by confining the free radical initiator to the support by bonding adsorption. The molecularly imprinted polymer may be used in chromatography, for separations, in chemical sensors, in molecular recognition as stationary phase in capillaries, in selected sample enrichment or in catalysis.

Abstract: The invention relates to continuous gas fluidized bed methods for making a polymer featuring a condensing agent in a recycle stream; and also to methods for monitoring and providing continuity in a gas fluidized bed method for making a polymer featuring a condensing agent in a recycle stream. Certain ranges of &Dgr;&rgr;, in some cases combined with certain ranges of values for An, can be used to find and define desirable operating states, i.e., the “steady state,” “alert state,” “corrective action state,” “continuity impairment state” and/or “&Dgr;&rgr; alarm state,” for the gas fluidized bed reactor polymerization method (where &Dgr;&rgr;, An and the particular states are disclosed herein).

Abstract: The invention provides a process for preparing an aqueous polymer dispersion of a copolymer CP of at least two different monomers M1 and M2 by free-radical aqueous emulsion polymerization of the monomers M in the presence of at least one initiator, at least 80% of the monomers M and at least 75% of the initiator being supplied continuously to the polymerization reaction during its course, which comprises changing the rate at which the initiator is supplied to the polymerization reaction a number of times, or continuously, during the polymerization reaction. The invention further provides the polymer dispersions obtainable by this process, polymer powders prepared therefrom, and for the use of the dispersions and/or of the polymer powders to prepare pressure sensitive adhesives.

Abstract: The use of concurrent reverse and normal initiation processes in an ATRP enables the use of highly active catalysts under “reverse ATRP” conditions and leads to the synthesis of well-defined polymers with low molecular weight distributions while employing much lower levels of the transition metal in the system. This dual activation/initiating system allows use of active catalysts that are added to the reaction in an oxidatively stable form. The benefits of this dual initiating system can be attained in bulk, solution and multi-phase ATRP processes, including emulsions, miniemulsions and polymerization from surfaces.

Abstract: A novel continuous gas phase polymerization process for producing polyethylene and interpolymers of ethylene and at least one other olefin is provided wherein a non-aromatic halogenated hydrocarbon(s) is used in a specified amount such that the activity of the titanium, zirconium and/or hafnium containing Ziegler-Natta catalyst is increased.

Abstract: Disclosed is a novel bidentate pyridine transition metal catalyst having the general formula where each R is independently hydrogen, C1-6 alkyl, or C6-14 aryl; where each R′ is independently R, C1-6 alkoxy, C7-20 alkaryl, C7-20 aralkyl, halogen, or CF3; where M is a Group 3 to 10 metal; where each X is independently halogen, C1-6 alkyl, C6-14 aryl, C7-20 alkaryl, C7-20 aralkyl, C1-6 alkoxy, or  L is X, cyclopentadienyl, C1-16 alkyl-substituted cyclopentadienyl, fluorenyl, indenyl, or  where n is an integer from 1 to 4; a is an integer from 1 to 3; b is an integer from 0 to 2; the sum of a+b≦3; c is an integer from 1 to 6; and the sum a+b+c equals the oxidation state of M.

Abstract: Curable fluoroelastomers comprising monomeric units formed by a triazine iodinated derivative having general formula: wherein Y′ is independently H, Cl, F, CH3, or CF3, m′ and t′ are 0 or 1, and m′+t′=0 or 1, preferably m′+t′=0; p′ is an integer and is equal to 1 when t′=1, or p′=0; X′ is independently H, Cl, F, alkyl or perfluoroalkyl C1-C3, preferably F; n′ is an integer between 2 and 20, preferably between 4 and 12, more preferably between 4 and 8.

Abstract: The present invention relates to a thermoplastic styrenic resin composition comprises a styrenic copolymer comprising 15-100 parts by weight of a unit derived from a styrenic monomer (i-1), 0-45 parts by weight of a unit derived from a vinyl cyanide monomer (i-2), 0-40 parts by weight of a unit derived from a copolymerizable vinyl monomer (i-3) other than the above monomers, and 0.0005-1.0 parts by weight of a unit derived from a polyfunctional maleimide monomer, all based on 100 parts by weight of the total amount of (i-1) to (i-3). The thermoplastic styrenic resin composition manufactured in the present invention is excellent in processability. The rubber modified thermoplastic styrenic resin composition of the present invention gives a good heat stability, impact strength, fluidity and other mechanical properties. In addition, it also gives a uniform wall thickness, and the gloss on the surface of injected products after painting process is excellent.

Abstract: Biomedical devices are formed from the polymerization product of a monomeric mixture including a poly(2-oxazoline) endcapped with an ethylenically unsaturated radical, such as poly(2-oxazoline) macromonomers and telechelics. Preferred devices are ophthalmic lenses, especially contact lenses and intraocular lenses.

Abstract: The present invention relates to polymers that are modified along the polymer chain and are based on conjugated dienes or conjugated dienes and vinyl-aromatic compounds having a content of vinyl-aromatic compounds of up to 60 wt. %, a content of cis-position double bonds of ≧92%, a mean molecular weight of 50,000 to 1,500,000 g/mole and a gel content of ≦5%. The polymers according to the invention can be used for the production of all types of molded articles, wherein in particular their technical and physical properties are improved compared with the prior art.

Abstract: A process for producing a styrenic resin with a small content of low molecular weight components, comprising a continuous anionic polymerization process wherein a raw material system having the following composition (A) is continuously fed, either collectively or in a divided manner, from one end of a reactor tank R1 having a back mixing flow and the product system is continuously discharged from the other end of the reactor tank R1, the internal temperature of the reactor tank R1 being controlled to a range of 40-120° C., the average proportion of styrene monomers to the sum total of the styrene monomers, hydrocarbon solvent and styrenic polymers present in the reactor tank R1 being controlled to less than 10 wt. %, and the resulting styrenic polymer solution being devolatilized and dried: (A) Styrene monomer 1.0 kg Hydrocarbon solvent 0.1-3 kg Organolithium compound 0.5-200 mmoles.

Abstract: The invention comprises an olefin polymerization process comprising contacting ethylene alone or with one or more olefinically unsaturated comonomers with a Group 3-6 metallocene catalyst compound comprising one &pgr;-bonded ring having a C3 or greater hydrocarbyl, hydrocarbylsilyl or hydrocarbylgermyl substituent said substituent bonded to the ring through a primary carbon atom; and, where the compound contains two &pgr;-bonded rings, the total number of substituents on the rings is equal to a number from 3 to 10, said rings being asymmetrically substituted where the number of substituents is 3 or 4. The invention process is particularly suitable for preparing ethylene copolymers having an MIR less than about 35, while retaining narrow CD even at high comonomer incorporation rates, and with certain embodiments providing ethylene copolymers having improved melt strength with the low MIR.

Abstract: Propylene polymers containing from 0 to 2.5% by weight of C2-C10-olefin comonomers have an Mw of from 350,000 to 1,000,000 g/mol, an Mw/Mn of from 4 to 10, a proportion by weight of the polymer fraction having a viscosity number of from 500 to 1400 ml/g of from 20 to 80% of the total polymer and a proportion by weight of a polymer fraction having a viscosity number of from 200 to 400 ml/g of from 80 to 20% of the total polymer and an isotactic sequence length of from 50 to 100.

Abstract: High density polyethylene made using a cobalt or iron complex of a selected tridentate ligand as a polymerization catalyst may be made into packaging which has advantageous properties, especially lower permeation to ambient materials such as oxygen and/or water. The packaging, such as bottles, bags and rigid storage tanks, may be formed by conventional methods.

Abstract: Hyperbranched organometallic polymers, including poly [1,1′-ferrocenylenesilynes], poly [1,1′-ferrocenylene-(alkyl)silynes], poly [1,1′-ferrocenylene(alkenyl)silynes] and poly [1,1′-ferrocenylene(aromatic)silynes], are useful as precursors to certain ceramic materials. Processes for the preparation of such polymers and the preparation of ceramic materials from such polymers are described, as are the resulting ceramic materials and their use as ferromagnetic materials and electrically conductive materials.