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6528616 |
Double metal cyanide catalysts for the production of polyther polyols
The invention relates to new double metal cyanide (DMC) catalysts for the production of polyether polyols by polyaddition of alkylene oxides to starter compounds containing active hydrogen atoms,...
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6525170 |
Highly branched polyesters through one-step polymerization process
A polymerization process for producing highly branched polyesters is disclosed comprising reacting functional groups A and B of multi-functional branching monomer reactants of the formula A—L—B...
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6482946 |
High char yield benzoxazine compositions
A high char yield polybenzoxazine is formed by mixing (i) a benzoxazine compound, (ii) a furan compound, (iii) a benzoxazine-furan compound or combinations thereof, wherein the mixture has a...
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6468659 |
Resin system
The resin system comprises at least two components which can be stored separately and crosslinked with one another at room temperature, preferably without curing accelerators. The first component...
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6469218 |
Process for preparing polyether polyols
The invention is directed to a process for preparing a polyether polyol by the polyaddition of an alkylene oxide on to a starter compound containing active hydrogen atoms under basic catalysis in...
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6455711 |
Method for producing polytetrahydrofuran
A process for preparing polytetrahydrofuran, polytetrahydrofuran copolymers or diesters or monoesters of these polymers comprises polymerizing tetrahydrofuran in the presence of at least one...
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6451926 |
Coating compositions based on polyether alcohols prepared from 3,4-epoxy-1-butene
EpB polyether alcohols were prepared by reacting 3,4-epoxy-1-butene with water or an alcohol such as methanol, butanol or ethylene glycol. Polyether alcohols thus prepared were found to have...
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6444745 |
Silicone polymer network compositions
A silicone composition containing a polyethersiloxane block copolymer network and a fluid within the network is useful as a component of various personal care compositions.
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6441106 |
Hardener for epoxy resin, epoxy resin composition, and process for producing silane-modified phenolic resin
The present invention provides a curing agent for epoxy resin containing a siloxane-modified phenol resin ( 3 ) obtained by dealcoholization condensation reaction between a phenol resin ( 1 ) and a...
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6437071 |
Silane-functionalized polyether composition
The present invention has its object to provide a curable composition giving cured products improved in residual tack (reduced in stickiness), with the physical properties insuring those tensile...
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6432488 |
Matte finish powder
A powder coating composition and method of applying it to a substrate, such as medium density fibreboard, consisting of a glycidyl methacrylate resin, a dicarboxylic acid cross-linking agent, a...
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6420460 |
Cationically curable compositions containing triarylcyclopropenylium salts
The present invention relates to a thermally and cationically curable composition containing triarylcyclopropenylium salts and a solvent that is a Lewis base which contains acidic hydrogen and...
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6410676 |
Method for producing polyoxyalkylene polyol and derivatives thereof
The object is to provide a method for producing a polyoxyalkylene polyol and a method for producing a derivative thereof wherein the remaining catalyst compound is efficiently removed from a crude...
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6403842 |
Processes for producing poly(alkylene ether) glycol
Disclosed are a process for producing a poly(alkylene ether) glycol which comprises polymerizing a cyclic ether in the presence of at least a catalyst and a carboxylic acid anhydride, wherein the...
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6395340 |
Coating composition and method for coating therewith
This invention provides a thermosetting organic solvent paint comprising (A) a compound having at least two alicyclic epoxy groups in one molecule and having a number average molecular weight of...
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6362311 |
Polymerization of poly(glycidyl nitrate) from high purity glycidyl nitrate synthesized from glycerol
Glycerol is nitrated with at least one nitrating source in a solvent to form a nitrated glycerol solution containing dinitroglycerin. The nitrated glycerol solution is treated with at least one...
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6346592 |
Self-activated polymer particles with a narrow size distribution and procedure for production thereof
A procedure for preparing compact and spherical self-activated polymer particles of vinyl monomers having a narrow or monodisperse size distribution in accordance with a special precipitation...
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6291540 |
Non-toxic initiators and their use for preparing stable and non-toxic polymers
The invention concerns a novel method for preparing non-toxic resins crosslinkable under radiation in the presence of an initiator system. Said resins are prepared from compositions of an organic...
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6288208 |
Highly branched oligomers, process for their preparation and applications thereof
The present invention relates to a highly branched polyamide oligomer of the general formula (I) as hereinabove defined, to the process for preparing and branched oligomers and to different uses...
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6274700 |
Catalyst and method for producing polytetrahydrofuran
In a process for preparing polytetrahydrofuran, polytetrahydrofuran copolymers or diesters or monoesters thereof by polymerization of tetrahydrofuran in the presence of at least one telogen and/or...
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6265519 |
Thiolamide curing agents
The present invention relates to thiolamide curing agents and methods for their preparation and use. The thiolamide curing agents are the reaction product of a thiol containing compound and an...
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6245827 |
Ultraviolet curable resin compositions having enhanced shadow cure properties
This invention is of a resin composition including an additive of one or more organic peroxide thermal imitators to cationic photoinitiators, that are sensitized with alpha-hydroxy-ketones, which...
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6211261 |
Thermosetting pressure-sensitive adhesive and adhesive sheet thereof
A thermosetting pressure-sensitive adhesive which can obtain the high rate of polymerization without a decrease in the molecular weight by photopolymerization, thereby show the tackiness at...
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6207793 |
Process for production of polytetramethylene-ether-glycol-diester using halloysite catalyst
An improved process for Polytetramethylene-Ether-Glycol-Diesters of the formula R--CO--O(CH 2 --CH 2 --CH 2 --CH 2 --O)n-COR 1 , in which R and R 1 are identical or different and are alkyl...
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6207794 |
Polyoxyalkylene polyols, derivatives thereof, and process for producing the polyoxyalkylene polyols
The present invention is a polyoxyalkylene polyol, its manufacture method, and derivatives, wherein: it is obtained using a phosphazenium compound as a catalyst; the hydroxyl value is 2.about.200...
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6100375 |
Methods for controlled polymerization of energetic cyclic ethers using alkylating salts
Energetic polymers and methods for their synthesis are provided. The polymers are preferably produced from cyclic ether monomers having 4 or 5 member rings. The cyclic ether monomers preferably...
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6096836 |
(Hetero)aromatic ether, (thio)ester or (thio)carbonate epoxy catalyst
Disclosed herein is a curing catalyst comprising at least one compound which is a substituted or unsubstituted aromatic or heteroaromatic compound and having any one of groups (I) --O--R 1 , (II)...
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6040419 |
Process for the polymerization of cyclic ethers
An improved process for the polymerization of cyclic ethers to polyethers using strong Bronsted acid catalysts is disclosed. The catalysts are fluorinated sulfonic acid containing polymers. The...
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6022945 |
Process for production of propylene oxide/ethylene oxide block copolymers
A catalyst for the polymerization of an alkylene oxide compound is disclosed. This catalyst is composed of a phosphazene compound or a phosphazenium salt which is derived from the phosphazene...
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5962546 |
Cationically polymerizable compositions capable of being coated by electrostatic assistance
Compositions containing conductivity enhancers, which are capable of being coated onto a substrate by means of electrostatic assistance. The compositions comprise one or more cationically...
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5962547 |
Reactive radiation- or thermally-initiated cationically-curable epoxide monomers and compositions made from those monomers
Radiation- or thermally-initiated cationically-curable styrene oxides of the structure ##STR1## are suitable for use in cationically curable adhesive and coating compositions.
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5952446 |
Elastomeric epoxy composition
An elastomeric epoxy composition and curing agents for elastomeric epoxy compositions, the elastomeric epoxy composition being the reaction product of a substituted amide and an epoxy.
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5952457 |
Polymerization catalyst for alkylene oxide compound and production process of poly(alkylene oxide)
A catalyst for the polymerization of an alkylene oxide compound is disclosed. This catalyst is composed of a phosphazene compound or a phosphazenium salt which is derived from the phosphazene...
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5952458 |
Process for preparing a vinyl terminated polymer
Synthesis of a vinyl terminated polymer by reacting a cationically polymerizable monomer in the form of a cyclic ether with an acid chloride in a suitable solvent and in the presence of a Lewis...
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5907054 |
Process for the polymerization of cyclic ether
The present invention provides a process for the production of an ester of polyoxyalkylene glycol on an industrially favorable basis which comprises the ring opening polymerization of a cyclic...
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5892067 |
Synthesis of energetic vinyl-terminated polymers
Synthesis of a vinyl terminated polymer by reacting a cationically polymeable monomer in the form of a cyclic ether with an acid chloride in a suitable solvent and in the presence of a Lewis acid....
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5891970 |
Water-soluble self-acid-doped polyaniline derivatives and process for preparing the same
The invention relates to a water-soluble self-acid-doped polyaniline derivatives and in particular, to a water-soluble self-acid-doped polyaniline derivatives obtained by reacting polyaniline...
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5886138 |
Process for the preparation of tetrahydrofuran polymers
A process for the continuous and discontinuous production of tetrahydrofuran polymers by homopolymerizing tetrahydrofuran or copolymerizing tetrahydrofuran with 1,2-alkylene oxides in the presence...
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5854384 |
Process for preparing poly-α-amino acid particles
A process for preparing poly-α-amino acid particles comprising polymerizing an α-amino acid-N-carboxy anhydride using a polymerization initiator in an organic solvent in which both the solubility...
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5854341 |
Anti-fogging coating composition, anti-fogging coated article and method for producing same
An anti-fogging coating composition contains (a) an inorganic alkoxide and/or a hydroxyl group-containing polymer formed therefrom by hydrolysis and polycondensation, the inorganic alkoxide being...
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5837771 |
Flame retardant reaction resin system
For improved flame retardant finishing and better processability of an epoxy anhydride reaction resin system, the present invention provides a reaction resin system supplemented with phosphinic...
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5811497 |
Aromatic curing catalyst for epoxy resins
Disclosed herein is a curing catalyst comprising at least one compound which is a substituted or unsubstituted aromatic or heteroaromatic compound and having any one of groups (I) --O--R 1 , (II)...
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5798412 |
Alkylene glycol production using carbon catalysts
A process in which carbon is used to catalyze production of alkylene glycols from alkylene oxides and water. Using this process, carbon may be employed to selectively catalyze the hydrolysis of...
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5798396 |
Sulfonium salt-containing compounds and initiators of polymerization
The present invention is directed to sulfonium salt-containing compounds represented by a following general formula; ##STR1## wherein R 1 is alkyl containing from 1 to 18 carbon atoms, hydroxy,...
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5786308 |
Flow controllers for powder lacquers
A new group of polymer flow controllers for powder resin lacquer is provided. The polymer flow controllers contain groups ##STR1## wherein n and m are numbers from 0 to 1000 with the sum of...
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5763636 |
Polymers containing spiro atoms and methods of using the same as electroluminescence materials
Polymers containing spiro atoms which can be used as electroluminescence materials, suitable for use in ligerting or display devices, and which improve the property profile of these devices....
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5750218 |
Biodegradable aliphatic polyester, melt-extrusion film thereof, and process for the production thereof
A process for the production of biodegradable aliphatic polyester particles by (co)polymerizing 2-oxetanone or a mixture containing at least 80% by weight of 2-oxetanone and up to 20% by weight of...
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5741866 |
Method for producing an acetal copolymer
Disclosed is a method for producing an acetal copolymer, which comprises copolymerizing trioxane with a cyclic ether in the presence of a cation-active catalyst, wherein the cyclic ether is...
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5728796 |
Process to react epoxide-containing compounds and aliphatic alcohols
A process reaction between: (1) a compound that contains one or more epoxide moieties per molecule, and (2) a compound that contains one or more primary aliphatic hydroxyl groups per molecule; is...
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5726216 |
Toughened epoxy resin system and a method thereof
Mixtures of epoxy resins with cationic initiators are curable under high energy ionizing radiation such as electron beam radiation, X-ray radiation, and gamma radiation. The composition of this...
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