|
Match
|
Document |
Document Title |
|
|
6355737 |
Method for producing polymer mixtures comprised of amino nitriles and thermoplastic polymers
The process for producing polymer blends by reacting at least one aminonitrile with water in the presence of thermoplastic polymers and optionally further polyamide-forming monomers comprises the...
|
|
|
6353084 |
Biodegradable polyestreramide and a process of preparing
Biodegradable polyesteramides as defined in the specification are obtained by reacting a mixture consisting essentially of a 1 ) a mixture consisting essentially of 35 to 95 mol % of adipic acid...
|
|
|
6350530 |
Biodegradable card base
The present invention provides a card base which is degradable by microbes in natural environment. The card base is excellent in properties necessary for card bases, such as tensile strength,...
|
|
|
6348562 |
Synthetic polyamides
A process of increasing the melt processing of synthetic polyamides, in particular pigmented and/or filled synthetic polyamide, by adding thereto an additive having the formula (I) wherein R 1 ...
|
|
|
6344535 |
Polyether ester amides
Polyether ester amides having high water vapor permeability are disclosed. The amides which are prepared simply and reliably, crystallize quickly, are biodegradable and/or compostable, and are...
|
|
|
6319492 |
Copolymers of tyrosine-based polyarylates and poly(alkylene oxides)
Implantable medical devices and drug delivery implants containing polyarylate random block copolymers are disclosed, along with methods for drug delivery and for preventing the formation of...
|
|
|
6316046 |
Wire enamels containing polyesterimides and/or polyamideimides with polyoxyalkylenediamines as molecular elements
The invention relates to wire enamels comprising as binders polyesterimide and/or polyamideimide, the binders comprising as monomeric building blocks polyoxyalkylenediamine having terminal amino...
|
|
|
6277948 |
Process and product for making polyamides
Disclosed in the present invention is a process for modifying a polyamide polymer comprising contacting a reactive modifier with diamine/diacid salt and/or an amino-acid of a hydrolyzed lactam or...
|
|
|
6277911 |
Transparent, colorless, amorphous copolyamides and molded articles made therefrom
Colorless, amorphous, transparent copolyamides, their blends or alloys, and molded articles with high alternate bending strengths that can be produced from them. The copolyamides are preferably...
|
|
|
6268033 |
Heat-resisting adhesive composition and adhesive tapes for electronic parts
A heat resisting adhesive composition for electronic parts and adhesive tapes of the present invention comprises a resin mixture of (A) 100 parts by weight of a polyimide comprising 100-30% by mol...
|
|
|
6245881 |
Sulphonated polyimides, membranes and fuel cell
The invention relates to sulphonated polyimides, notably of formula (I) ##STR1## The invention also relates to an ion exchange membrane that includes such a polyimide and a fuel cell that includes...
|
|
|
6239233 |
Polyester/polyamide blends with improved color
The present invention involves the preparation and use of polyester blend containing at least one acid terminated polyamide which give the improved color as compared to the prior art. The present...
|
|
|
6232398 |
Alkali or acid corrodible organic or composite particles in resin matrix
A resin matrix with resistances to alkali and acid such as a fluorene-containing epoxy acrylate and/or a benzocyclobutene resin includes at least any one of insulative organic particles and...
|
|
|
6218452 |
Dyeability or mass coloration of synthetic polyamide
1. Synthetic polyamide comprising one or more of the following compounds: a) a compound having at least one sterically hindered amino group, [hereinafter referred to as compounds a)]; or b) a...
|
|
|
6211309 |
Water-dispersable materials
The present invention relates to water-dispersible materials (e.g. fibers or films) and to a method of producing same. The materials of the invention comprise a water soluble component, for...
|
|
|
6204355 |
Use of polyamide moulding compounds for manufacturing optical or electro-optical moulded members
The invention relates to the use of polyamide moulding compounds, their alloys or blends, which contain at least one homopolyamide, which has been obtained from long-chained aliphatic monomer...
|
|
|
6172178 |
Car parts made from a polyamide composition
Car part made from a polyamide composition wherein the polyamide substantially consists of 60-99 wt. % units derived from aliphatic dicarboxylic acids and diamines and the remaining chain units are...
|
|
|
6160039 |
Process for the production of masterbatches containing short fibres or pulps
This invention relates to a process for the production of masterbatches which contain short fibres or pulps and which may be used for the production of polymer compositions or rubber compositions.
|
|
|
6156869 |
Method for producing polyamides
A method for producing polyamides, and to a method for producing primary polycondensates which are intermediates for polyamide production. More precisely, the invention relates to a method for...
|
|
|
6153708 |
Highly polymerizable N-vinlycarboxylic acid amide and production process thereof
A highly polymerizable N-vinylcarboxylic acid amide having an N-1,3-butadienylcarboxylic acid amide content of 30 ppm or less, a process for producing the same, and a process for producing a...
|
|
|
6139917 |
Liquid crystal aligning agent
A treating agent for liquid crystal alignment, which comprises a polyimide precursor containing repeating units of the formula (1) and having a polymerization degree of from 0.05 to 5.0 dl/g as...
|
|
|
6140429 |
Injection moldable polyimide resin composition and a method of producing its molded articles
A method of producing an injection moldable polyimide resin composition, which is characterized by the fact that at least one aromatic acid anhydride and at least one aromatic diamine are directly...
|
|
|
6136908 |
Preparation of thermoplastic nanocomposite
A method for producing a thermoplastic nanocomposite is disclosed. The method comprises the steps of: (a) contacting a swellable layered silicate with a polymerizable aminoaryl lactam monomer to...
|
|
|
6136915 |
Aromatic polyamide resin compositions
An aromatic polyamide resin composition excellent in flowability and suitability for short-cycle molding and having high heat resistance is disclosed, which is a partly aromatic polyamide resin...
|
|
|
6121388 |
Polyamide resin composition
A polyamide resin composition comprising 100 parts by weight of a polyamide resin, from 0.01 to 100 parts by weight of a liquid-crystalline resin, and from 0.01 to 5 parts by weight of an acid...
|
|
|
6103809 |
Thermoplastic compositions comprising crystalline water soluble polymers and amorphous water sensitive polymers
The present invention relates to a thermoplastic composition comprising at least one crystalline water sensitive polymer and at least one amorphous water sensitive polymer. The thermoplastic...
|
|
|
6103806 |
Polyimide resin composition
A polyimide resin composition is disclosed herein which comprises 5 to 60% by weight of a polyimide [polyimide (1)] having a repeating unit represented by the chemical formula 1 and 40 to 95% by...
|
|
|
6075116 |
Polyamide resin composition
The present invention provides a highly impact resistant polyamide composition which comprises a polyamide resin and an acid modification product of a metallocene catalyzed polyolefin elastomer....
|
|
|
6048521 |
Copolymers of tyrosine-based polyarlates and poly(alkylene oxides)
Implantable medical devices and drug delivery implants containing polyarylate random block copolymers are disclosed, along with methods for drug delivery and for preventing the formation of...
|
|
|
6048948 |
Method for producing a polymer composite material
There is a provided a method to produce a polymer composite material in which the rigid polymer (R m ) n is dispersed uniformly at the molecular level in the flexible polymer (M), preferably by...
|
|
|
6046282 |
Reactive diluents for polyamidoamine epoxy curatives
Reactive diluents comprise the amide and/or imidazoline reaction products of low molecular weight carboxylic acids, such as acetic acid, and polyalkyleneamines, such as 2-aminoethylpiperazine (AEP)...
|
|
|
6040392 |
Nylon 6 or 66 based compositions and films formed therefrom having reduced curl
Super-miscible blends of nylon copolymers are provided as well as multilayered film structures made therefrom. A nylon composition is a substantially uniform blend of at least one semi-crystalline...
|
|
|
6022613 |
Transparent polyamide compositions
This invention provides polyamide compositions and films made therefrom, having enhanced physical properties and a high degree of transparency. More particularly, the invention pertains to...
|
|
|
6020064 |
Nonaqueous sizing for glass and carbon fibers
A nonaqueous sizing composition useful for coating glass or carbon fibers. The composition comprises one or more epoxy resins, one or more polymers, a lubricant and one or more silane coupling...
|
|
|
6008288 |
Transparent, colorless, amorphous polyamides and molded articles
Colorless, amorphous polyamides, their blends or alloys, and the molded articles with high alternate bending strengths that can be produced from them, are made available; they are preferably made...
|
|
|
6001957 |
Stabilized polyetherimide resin composition
A thermoplastic resin composition that includes a polyetherimide resin and a phosphorus-containing stabilizer that exhibits a low volatility. The thermoplastic resin composition exhibits improved...
|
|
|
5998545 |
Mixtures of polymer having polyamide blocks and copolymers having vinylaromatic units and anhydride units
The present invention relates to a mixture of polymers (A) having polyamide blocks and copolymers (B) comprising vinylaromatic units and unsaturated carboxylic anhydride units, the quantity of (B)...
|
|
|
5994445 |
Polyamide mixtures which contain solid particles
The present invention relates to a mixture consisting of 60 to 98 wt. % of a partially crystalline polyamide polymerised from m-xylylene diamine and adipic acid, 2 to 40 wt. % of an aliphatic...
|
|
|
5985389 |
Polyester and optical brightener blend having improved properties
The present invention is a compositional blend having a polyester, an acetaldehyde reduction compound and less than 50 ppm of an optical brightener. The blend has utility for food and beverage...
|
|
|
5981691 |
Imide-free and mixed amide/imide thermal synthesis of polyaspartate
Thermal polymerization of a salt of aspartic acid affords polyaspartate directly without hydrolyzing polysuccinimide. Copolymerization of a salt of aspartic acid with aspartic acid itself affords a...
|
|
|
5969091 |
Aromatic heterocyclic copolymers, molecular composite materials and their production
An aromatic heterocyclic compound and an aromatic diamino compound are allowed to separately react with a dicarboxylic acid derivative in an organic solvent, thereby synthesizing two kinds of...
|
|
|
5969079 |
Oligomers with multiple chemically functional end caps
Thermomechanical and thermo-oxidative stabilities in resin composites across the range of aerospace "engineering thermoplastic" resins are improved by forming four crosslinks at each addition...
|
|
|
5959042 |
Material comprising a polyamide, a polymer having polyamide and polyether blocks and a functionalized polyolefin, and film and object obtained therefrom
A material is provided comprising: (a) a polyamide; (b) a polymer having PA blocks and polyether PEG blocks; (c) optionally a polyolefin; (d) a functionalized polyolefin; the various constituents...
|
|
|
5952448 |
Stable precursor of polyimide and a process for preparing the same
This invention relates to a poly (imide amic ester) random copolymer, a precursor thereof, and a process for preparing the same. Specifically this invention relates to a novel precursor of...
|
|
|
5952434 |
Spinning dope and fibres spun therefrom
The invention relates to synthetic yarns spun from suophuric acid anistropic solutions of rigid aromatic polyamides blended with aliphatic polyamides. Disclosed is a spinning dope composition...
|
|
|
5952071 |
Curable adhesive system
Two-component curable adhesive for blocking automotive wiring bundles, the respective components preferably amine-terminated polyamide Part A, and acrylate, anhydride or epoxy Part B, being...
|
|
|
5939498 |
High modulus polyimide blend
An intimate polyimide blend, prepared by chemical conversion, containing from 25 to 50 weight % of a first polyimide derived from 90 to 100 mole % of 3,3', 4,4'-biphenyltetracarboxylic dianhydride,...
|
|
|
5936044 |
Films based on polyamide and on polymers containing polyamide blocks and polyether blocks
The invention relates to films based on PA-6 or PA-6,6 and on a copolymer containing polyamide (6 or 6,6) blocks and ploytetramethylene glycol blocks. They have greater impact strengths than PA-6...
|
|
|
5932687 |
Preparation of precipitated polyamide powders of narrow particle size distribution and low porosity
Certain applications require polyamide powders of narrow particle size distribution and low porosity. The precipitation process of the invention incorporating a prior nucleation phase provides the...
|
|
|
5929178 |
Heat-aging-resistant polyamide resin composition and fiber comprising the same
There are provided a heat-aging-resistant polyamide resin composition comprising (C) a polyamide containing 10 to 100% by weight of (A) a polyamide obtained by polymerizing a monomer containing 70...
|