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7608336 |
Flame-retardant epoxy resin composition and cured product obtained therefrom
The invention relates to an epoxy resin composition containing (a) an epoxy resin and (b) a phenolic hydroxy group-containing polyamide resin having the structure represented by Formula (1), a...
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7504475 |
Process for a two stage melt polymerization for the production of polybenzimidazole
A process is presented for the production of high molecular weight polybenzimidazole, in two steps. Step one: provide a first reaction vessel and charge it with at least one aromatic hydrocarbon...
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7479326 |
Oxygen scavenging polymers
A polymer with a backbone having at least one structural unit represented by formula (I):
Wherein R 1 , R 2 , R 3 , R 4 , and R 5 independently denote one of a hydrogen atom, a substituted or...
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7388048 |
Flexible semiaromatic polyamides with a low moisture uptake
The present invention relates to a flexible semiaromatic polyamide composition with a low moisture uptake comprising, by weight, the total being 100:
60 to 99.5% (preferably 70 to 93%) of at...
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7381788 |
Method for continuous production of polyamide
Provided is a continuous production method of a polyamide with stabilized polymerization degree and good quality, particularly an aromatic-containing polyamide. A continuous production method of a...
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7253249 |
Ester-terminated poly(ester-amide) in personal care products
A resin composition is prepared by reacting components comprising dibasic acid, diamine, polyol and monoalcohol, wherein (a) at least 50 equivalent percent of the dibasic acid comprises polymerized...
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7160979 |
Polyamides
The reaction of dimer acids, C 6 to C 18 aliphatic dicarboxylic acids, dimer amines, alkylene diamines having from 2 to 8 carbon atoms, and polyoxyalkylene diamines provides polyamides having...
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7115703 |
Compositions for golf equipment
Golf balls comprising thermoplastic, thermoset, castable, or millable compositions are presently disclosed. These compositions comprise reaction products of polyacids and polyamines. The polyacid...
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7101652 |
Photosensitive resin compositions
New photosensitive PBO precursor polymers which contain diazoquinone moieties attached to its backbone and in which all amino end groups are converted into amide groups. The photosensitive...
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7101612 |
Pre-moistened wipe product
The present invention provides ion-sensitive, water-dispersible polymers. The present invention also provides a method of making ion-sensitive, water-dispersible polymers and their applicability as...
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7060782 |
Process for a two stage melt polymerization for the production of polybenzimidazole having an improved solid state polymerization
A process for the production of high molecular weight polybenzimidazole by one: providing a first reaction vessel; charging the reaction vessel with at least one aromatic hydrocarbon tetraamine,...
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7057008 |
Packaging and containers made of water-soluble polyamides and processes for their manufacture
Packaging materials made from water-soluble nylons are disclosed, that readily contain materials such as caustic chemicals and upon exposure to water dissolve to provide for the release of the...
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7053172 |
Fuel-barrier polyamide resin and multilayer shaped article
The fuel-barrier polyamide resin of the present invention is a product of the polycondensation of a diamine component comprising 70 mol % or higher of m-xylylenediamine and a dicarboxylic acid...
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7053169 |
Polyamide molding compounds for producing optical lenses
The invention relates to new thermoplastically processible transparent polyamide molding materials based on copolyamides containing diamines and dicarboxylic acids with aromatic cores which exhibit...
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7038007 |
Process for a continuous polymerization for the production of high molecular weight polybenzimidazole
A process for a single-stage melt polymerization for the production of a high molecular weight polybenzimidazole which comprises the steps of: providing a reaction vessel having a means for...
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7026435 |
Water-dispersible, hydrophobic polyalkyleneimine polyamide fiberglass lubricant, process for producing the same, and method of use therefor
Polymer derivatives based upon polyalkyleneimine backbones having from about 20% to about 60% of their reactive amino functionalities substituted by C 14-20 carboxylic acids, are disclosed. Fiber...
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7022214 |
Carrier ampholytes of high pH range
Carboxylic acid-substituted polyalkylene polyamines in which amine nitrogen atoms on the polyamine backbone structure are replaced by guanidine groups provide a pH range extending into high pH...
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6998464 |
Method for producing a solution consisting of a polymer containing recurrent azole units, solutions produced according to said method and use of the same
The present invention relates to a method of preparing a solution of a polymer comprising recurring azole units, which comprises dissolving a sufficiently dried polymer comprising recurring azole...
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6995233 |
Process for manufacturing polyamides
The invention relates to a continuous process for manufacturing polyamides. The polyamides are of the type obtained from diacids and diamines. The process comprises an operation of continuous...
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6972123 |
Polymeric castor polyester quaternary compounds based upon dimer acid
The present invention deals with the certain castor polyesters that give high gloss when applied to the skin. Said ester are the reaction of the hydroxyl group of castor oil with less than one...
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6956099 |
Polyamide-polyether block copolymer
Copolymers having linked internal polyether blocks and internal polyamide blocks have advantageous physical properties and solvent-gelling abilities. The copolymer may be prepared from a reaction...
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6943231 |
Transparent polyamide molding materials having improved transparency, resistance to chemicals and high permanent fatigue strength
Transparent polyamide molding materials are provided which are characterized in that they have a melting enthalpy between 0 and 12 J/g and the polyamides are constituted of 100 mole-% of a diamine...
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6936682 |
Polyamide
A polyamide characterized in that the polyamide is obtained by thermal polycondensation of (a) dicarboxylic acid components comprising 10 to 80% by mole in total carboxylic acid components of...
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6911501 |
Process for preparing aspartates
The present invention relates to novel aspartates, their method of production and the use of these aspartates as reactive components for polyisocyanates in two-component polyurethane coating...
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6906165 |
Copolyamides and compositions based on same
The invention concerns copolyamides obtained by using multifunctional monomers. It consists in using a multifunctional monomer comprising at least three reactive functions and at least another...
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6875245 |
Ester-terminated poly(ester-amides) in personal care products
A resin composition is prepared by reacting components comprising dibasic acid, diamine, polyol and monoalcohol, wherein (a) at least 50 equivalent percent of the dibasic acid comprises polymerized...
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6855776 |
Amino-terminated polybutadienes
Improved amine-terminated polybutadienes (ATPBs) having one or two terminal groups of the formula —CHRNH 2 wherein R is C 1 -C 20 alkyl, are prepared by aminating a secondary...
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6841652 |
Space environmentally durable polyimides and copolyimides
Polyimides displaying low color in thin films, atomic oxygen resistance, vacuum ultraviolet radiation resistance, solubility in organic solvents in the imide form, high glass transition (T g )...
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6841651 |
Polyamide resin
The polyamide resin of the present invention is produced by polycondensation of a diamine component comprising 70 mol % or more of m-xylylenediamine and a dicarboxylic acid component comprising 70...
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6835800 |
Nylon copolymers containing dimeric acid comonomers
A method for preparing a nylon 6 copolymer containing dimeric acid comonomers. The method includes reacting 80.0˜99.9 mol % of caprolactam, 0.1˜3.0 mol % of dimeric acid and 0.1˜3.0 mol % of...
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6835391 |
Poly (ether ester amide) and poly (ether ester urethane) copolymers
The invention relates to new biologically degradable aliphatic copolymers of the polyesteramide or polyesterurethane type. The invention further relates to a method for preparing the copolymers and...
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6780963 |
Molding material for electrical and electronic parts
The polyamide resin composition of the invention is characterized by having a solder reflow heat-resistant temperature of not lower than 250° C. Since the polyamdie resin composition has low water...
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6774208 |
Friction heat, cryogenic quench solid state polymerization
A two step method for solid state polymerization of dry crystalline thermoplastic polymers to form polymers with superior mechanical properties, first by mechanically fluidizing dry crystalline...
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6774205 |
Polyamides
A process for the preparation of novel polyamides, the use of such polyamides for the production of fibers, sheets and moldings, and fibers, sheets and moldings obtainable from such polyamides, are...
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6759505 |
Single-phase or multi-phase continuous polyamide polymerization processes
There is provided a process for the continuous polymerization of polyamides which is carried out under conditions of pressure, temperature and polymer concentration in water that will ultimately...
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6750317 |
Material and additive for highly crosslinked chemically and thermally stable polyhydroxyamide polymers
Polyhydroxyamides are polymerized to form highly-crosslinked, temperature-stable polymers. The polyhydroxyamides include as their central, parent structure a benzenetricarboxylic acid to which side...
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6747120 |
Copolyamide based on tetramethylene terephthalamide and hexamethylene terephthalamide
The invention relates to a semi-aromatic polyamide containing at least tetramethylene terephthalamide units and also hexamethylene terephthalamide units. The copolyamide has a melting point higher...
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6734280 |
Rosin-fatty acid vinylic polyamide polymer resins
This invention concerns novel rosin-fatty acid vinylic polyamide polymer resin compositions and the process for preparing them. More particularly, the invention concerns novel rosin-fatty acid...
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6710121 |
Nitrocellulose-compatible laminating ink resins
Nitrocellulose-compatible laminating ink resin is prepared by reacting together reactants including polymerized fatty acid, co-diacid, monoacid, secondary diamine and C 6 diamine, or reactive...
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6696544 |
Method for making polyamides
The invention concerns a method for making polyamide. More particularly, the invention concerns a method for making polyamides derived from the reaction between a diacid and a diamine. It concerns...
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6680364 |
Water dispersible polyamides with ethylenically unsaturated ends
The invention describes polyamides having both strongly hydrophilic groups and unsaturated groups, the polyamides consequently being water-dispersible and curable. The hydrophilic groups are...
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6670442 |
Hot melt adhesives based on polyamides
Hot melt adhesives are prepared using thermoplastic polyamides derived from polymerized fatty acid components. The adhesives are particularly useful for bonding nonpolar substrates such as...
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6667382 |
Polyamine
The present invention provides an amine or polyamine, which has a surface activity not inferior to a solid tallow-based amine and an excellent workability. A salt of the amine is suited for...
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6610816 |
Process for production of polyamide
In the production of polyamide by the melt-polymerization of the present invention, the polymerization conditions are rapidly and accurately controlled by a near-infrared spectroscopy to enable the...
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6552160 |
Ester-terminated poly(ester-amides) useful for formulating transparent gels in low polarity fluids
A resin composition is prepared by reacting components comprising dibasic acid, diamine, polyol and monoalcohol, wherein (a) at least 50 equivalent percent of the dibasic acid comprises polymerized...
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6517343 |
Coated candles and coating compositions
A curable composition is placed on a candle, and then the composition is exposed to curing conditions such as ultraviolet light, to thereby cure the coating composition and provide a candle having...
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6514190 |
Primary alkanolamides
This invention concerns a composition containing a dimerized or trimerized fatty acid amide of a primary alkanolamine that remains clear of suspended solids during storage, making mixtures...
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6503522 |
Tertiary amide-terminated polyamides in structured personal care compositions
A structured, solid composition that contains at least one colorant, a liquid oil phase, and a gellant, wherein the gellant is a tertiary amide-terminated polyamide resin (ATPA) of the formula (1):...
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6503077 |
Gelled articles containing tertiary amide-terminated polyamide
A tertiary amide-terminated dimer acid-based polyamide may be blended with a solvent to form a gel. The solvent may be flammable, and a wick may be added to the resulting gel so as to form a...
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6489435 |
Process for producing polyamide
The improved polyamide production method of the present invention is characterized by including a step of accurately regulating the molar balance between a diamine component and a dicarboxylic acid...
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