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7605222 |
Copolyetherimides
Copolyetherimides compositions having high glass transition temperatures and outstanding ductility are presented. The copolyetherimides having M w of at least 40,000 comprising isomeric...
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7597722 |
Process for making polyamide textile articles bearing designs in different colors
Process for manufacturing a fabric having distinctive and sharp differentially colored patterns or designs, which process comprises the steps of: (a) producing a first and a second polyamide, said...
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7585921 |
Resin for toner binder and toner composition
The present invention provides
a resin for toner binders, which comprises two polyester resins (A) and (B), said resin (A) being a crosslinked modified polyester resin consisting of the...
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7511103 |
Poly(ester amide) block copolymers
Provided herein is a copolymer that includes a soft block (A) and a hard block (B) comprising a tyrosine di-peptide. The copolymer can be any of AB, ABA or BAB type block copolymers. The soft block...
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7507474 |
Thermoplastic polymer composition comprising a hyperbranched polymer and articles made using said composition
The invention relates to thermoplastic compositions comprising a polymer matrix and an additive which modifies the rheological behavior of the matrix in the molten state. The purpose of the...
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7504448 |
Articles prepared from compositions modified with organic fiber micropulp
Disclosed are molded articles such as covers, mantles and cores for golf balls, one-piece thermoplastic golf balls, and heel counters and toe puffs for footwear, prepared from compositions...
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7428857 |
Gear, speed reduction gear using the same, and electric power steering apparatus using the same
A gear composed of a polymer blend or a copolymer of PA66 and PA6 which contains a part having a PA66 molecular structure and a part having a PA6 molecular structure in a weight ratio of...
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7427430 |
Polyamide blend composition having excellent gas barrier performance
High gas barrier, delamination-resistant polyamide compositions suitable for extended shelf-life packaging applications are provided. Also provided are polyamide compositions exhibiting high oxygen...
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7425594 |
Copolymer of glycidyl ester and/or ether with polyol
A copolymer and a process of making the copolymer are disclosed. The copolymer is produced from reacting a glycidyl ester and/or ether with a polyol comprising a functionality of at least 2 wherein...
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7375165 |
Thermoplastic composition comprising a hyperbranched polymer additive and articles made using said material
The invention relates to thermoplastic compositions comprising a thermoplastic polyamide matrix and at least one additive which modifies the interaction between the matrix and an agent. The purpose...
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7368512 |
Detection and functionalization of dendrimers
A method of detecting unreacted termini within a dendritic structure is achieved by exposing a dendrimer to a single generating compound capable of bonding to and tagging a deprotected but...
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7365133 |
Blends of poly(ester amide) polymers
Provided herein is a poly(ester amide) (PEA) polymer blend and coatings and medical devices formed of the blend.
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7348046 |
Polymer mixture of aliphatic polyamides and partially aromatic polyamides, moulded articles thereof and use thereof
The invention relates to a polymer mixture of partially crystalline aliphatic polyamides and partially aromatic polyamides, the proportion of aliphatic polyamides being more than 50% by weight and...
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7339009 |
Cross-linked polyimide and method of making them
A cross-linked polyimide is disclosed. The cross-linked polyimide includes a polyimide and at least one oxygenated hydrocarbon. The oxygenated hydrocarbon cross-links the polyimide. A porous...
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7338715 |
Low temperature cure polyimide compositions resistant to arc tracking and methods relating thereto
The polyimides of the present invention are derived from aliphatic diamines and show advantageous arc tracking performance (i.e., low arc tracking). These polyimides can be cured at low...
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7300986 |
Polyepoxy compounds having an amide linkage
The present invention provides compounds that have an amide linkage and at least two epoxy groups. The compounds are preferably aliphatic.
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7288586 |
Polyester based cobalt concentrates for oxygen scavenging compositions
A solid concentrate is provided having a combination of a transition metal present in an amount ranging from 1000 to 40,000 ppm (weight by metal) and a polyester polymer present in an amount of at...
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7273910 |
Process for the preparation of a functionalized polymer intermediate products, compositions and shaped parts
Process for the preparation of a functionalized polymer containing an additive, in which process there is formed a compound that contains, besides at least one blocked isocyanate group, a free...
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7265187 |
Process for production of polyamide composite material
In the process of the present invention, a polyamide A1 and an organized clay B are mixed mainly by dispersive mixing, and after added with a polyamide A2, mixed mainly by distributive mixing in a...
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7202298 |
Polyamide resin composition for part of engine cooling water system and part comprising the same
A polyamide resin composition for part of an engine cooling water system contains 100 parts by weight of a polyamide resin made of(A) from 50 to 98% by weight of nylon 66, (B) from 1 to 30% by...
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7169878 |
Diamines, polyimide precursors and polyimides produced by using the diamines, and liquid crystal aligning agents
A diamine compound represented by the formula (1):
wherein R 1 is a trivalent organic group, each of X 1 and X 2 is a bivalent organic group, X 3 is an alkyl or fluoroalkyl group having...
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7151127 |
Use of thermoplastic polyamide molding compositions with reduced formation of solid deposits and/or coverings
The present invention relates to the use of thermoplastic polyamide moulding compositions with reduced or strongly reduced formation of solid deposits and/or coverings during a thermoplastic...
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7148314 |
Process for preparation of functionalized polyimides
A method for preparation of a sulfonic and or sulfonic acid salt containing polyimide resins comprising melt reaction of a polyimide resin with an organic compound, wherein the organic compound...
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7147906 |
Data storage medium comprising polyimides
In one aspect the present invention provides a storage medium for data, the storage medium comprising: a) a substrate, a physical portion of which comprises at least one polyimide, and b) at least...
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7122233 |
Polyamide-based transparent composition
The invention relates to a transparent composition comprising, by weight, the total being 100%:
5 to 40% of an amorphous polyamide (B) which results essentially from the condensation:
...
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7071282 |
Benzimidazole diamine-based polyetherimide compositions and methods for making them
Disclosed herein are polyetherimide compositions comprising structural units of the formula:
derived from at least one benzimidazole diamine, wherein R 1 and R 2 are independently selected...
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7064176 |
Coating material for electronic components
The invention relates to novel polyhydroxyamide compounds that, in the form of their oxazoles, ane suited as a coating material, particularly for electronic components. The invention also relates...
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7056975 |
Thermoplastic resin composition having improved resistance to hydrolysis
A thermoplastic resin composition composed of a thermoplastic resin and a polyamide elastomer in which the polyamide elastomer contains at least 50 weight % of a polyetheramide elastomer prepared...
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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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7053168 |
Method for preparing polyimide and polyimide prepared thereby
A method for preparing a polyimide includes introducing a mixture of an oligomer and a solvent to an extruder, removing solvent via at least one extruder vent, and melt kneading the oligomer to...
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7049006 |
Multilayer structure based on polyamides and on a tie layer made of a copolyamide blend
A multilayer structure based on polyamides, comprising:
a first layer ( 1 ) formed from a polyamide P 1 or from a blend of a polyamide P 1 and a polyolefin PO 1 having a P 1 polyamide...
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7048712 |
Polymer blends for use in making medical devices including catheters and balloons for dilatation catheters
A combination of polymeric components provides desired characteristics in forming medical instruments such as catheters and balloons for dilatation catheters. For example, a balloon material is...
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7026436 |
Low temperature polyimide adhesive compositions and methods relating thereto
The present invention relates to a polyimide adhesive composition having a polyimide derived from an aromatic dianhydride and a diamine component, where the diamine component is preferably about 50...
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7022810 |
Proton exchange membrane materials for the advancement of direct methanol fuel-cell technology
A new class of hybrid organic-inorganic materials, and methods of synthesis, that can be used as a proton exchange membrane in a direct methanol fuel cell. In contrast with Nafion® PEM materials,...
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7014919 |
Polyamide-based transparent composition
A composition comprising, by weight, the total being 100%:
a semi-crystalline polyamide (A); 5 to 40% of an amorphous polyamide (B) which results from the condensation: of (B1) at least one...
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7011784 |
Industrial nylon composition
An industrial nylon composition comprises nylon block copolymerized or blended with poly-m-phenyleneisophthalamide (PmIA), thereby forming a block copolyamide composition or blend, comprised of...
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7009029 |
Polyamide composition
Provided is a polyamide composition comprising 100 parts by weight of (A) a polyamide having dicarboxylic acid units containing 60 to 100 mol % of terephthalic acid units, and diamine units...
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6958374 |
Polyamide moulding material with improved properties
The present invention relates to semiaromatic semi-crystalline thermoplastic polyamide moulding materials having improved processing behavior, increased flowability, improved surface quality and...
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6956100 |
Polyamide resin-containing varnish and its use
An object of the present invention is to provide a polyamide resin composition from which the solvent is easily removed during film formation and which gives a film or adhesive layer reduced in...
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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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6949618 |
Polymer compound, precursor for the same and thin film-forming method using the same polymer precursor
Provided are polyimide and a thin film thereof which have a three-dimensional structure and therefore are excellent in a mechanical strength and a heat resistance as compared with those of...
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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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6930165 |
Modified polyamides, compositions based on same and macromolecular compounds used to obtain them
The invention concerns polyamides modified by a multifunctional compound. Finished articles formed from said polyamides or from compositions based on said polyamides exhibit excellent mechanical...
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6927274 |
Resin compositions, processes for preparing the resin compositions and processes for forming resin films
Polyimide precursors contained in resin compositions of the present invention have a polymer structure unit represented by formula (1) below:
wherein chemical structure A 2 includes an...
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6919422 |
Polyimide resin with reduced mold deposit
A polyimide composition and a process to prepare polyimide resins with reduced plate out and mold deposits is described. During resin molding operations the low plate out resins show a longer...
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6919418 |
Approach to reduce cyclics formation in 3-CIPA based polyetherimide polymers
Methods of reducing the amount of undesirable cyclic oligomer by-products in the production of polyetherimides are disclosed. The resulting polyetherimides have enhanced thermomechanical properties.
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6916517 |
Polyamide-based transparent composition
A composition comprising, by weight, the total being 100%:
5 to 40% of an amorphous polyamide (B) which results from the condensation of at least one aromatic diacid and with at least one...
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6913804 |
Antistatic polymer compositions
The present invention relates to a composition comprising, per 100 parts by weight:
99 to 60 parts of a thermoplastic polymer (D), 1 to 40 parts of (A)+(B)=(C) (A) being a copolymer comprising...
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6911519 |
Low viscosity melt processable high temperature polyimides
A series of low melting and low viscosity phenylethynyl end-capped polyimides (PETIs) possessed of long term thermal and mechanical stability useful as films, melt coatings, adhesives, matrix and...
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6908685 |
Polyimide film, method of manufacture, and metal interconnect board with polyimide film substrate
The invention provides a polyimide film manufactured from a polyamic acid prepared from pyromellitic dianhydride in combination with 10 to 60 mol % of phenylenediamine and 40 to 90 mol % of...
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