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WO/2009/127387A1 |
Moulding compositions and the mouldings produced therefrom containing a) polyoxymethylene in which at least 50% of the end groups are hydroxyl groups and which has a melt flow index MVR of less than 20 cm3/10 minutes, measured in accord...
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WO/2009/127388A1 |
The invention relates to oxymethylene polymers which are distributed bimodally or higher and have a target low-molecular part of between 1 and 5 mass percent. Moulded bodies consisting of said polymers are characterised by high low-tempe...
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WO/2009/127532A1 |
A thermotropic copolyester is provided consisting of a random sequence of structural units, wherein the structural units comprise a unit derived from 4-hydroxy benzoic acid, a unit derived from 6-hydroxy-2-naphthoic acid, a unit derived ...
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WO/2009/123064A1 |
The objective is to provide a brush that will not easily damage a metal during contact with said metal. Disclosed is a brush using polyacetal-containing filaments, wherein the flexural rigidity of each filament is 1 to 100 µg m2/yarn.
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WO/2009/113536A1 |
Provided are a polyacetal resin composition which is improved in creep resistance, mold release characteristics and thermal stability without impairing the advantageous properties (high rigidity and excellent processability in molding) i...
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WO/2009/103812A1 |
The invention relates to a method for the manufacture of molded products from polyoxymethylene, wherein a semi-finished product containing at least one polyoxymethylene polymer is first heated to a temperature above the softening tempera...
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WO/2009/081517A1 |
Disclosed is a polyacetal resin composition which has metallic appearance, which can be molded into an article that generates a volatile organic compound (a VOC), particularly formaldehyde, therefrom at an extremely low level, and which ...
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WO/2009/073541A2 |
Cationic poly(ester amide) (PEA)-based hydrogels are provided. The hydrogels are fabricated from unsaturated L-arginine based poly(ester-amide) (UArg-PEA) precursors, pluronicDA precursors, or a combination of UArg-PEA and pluronicDA pre...
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WO/2009/052161A1 |
The invention relates to polyacetal compositions comprising (i) a polyacetal resin, (ii) p-aramid particles and (III) a vinyl-terminated dimethyl siloxane polymer and molded products thereof showing improved tribological properties.
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WO/2009/050176A1 |
The invention relates to a method for producing impact-resistant modified polyoxymethylenes, characterized in that monomers forming an acrylate rubber B) are polymerized in situ in the presence of a polyoxymethylene homo- or copolymer A).
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WO/2009/049041A2 |
The invention relates to polyketal compounds. The compounds are synthesized by the selective ketalization of oxocarboxylic acids, e.g. keto acids and semialdehydes, and esters thereof with tetrols and higher polyols that products two or ...
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WO/2009/023709A1 |
Polyacetal resin compositions having good wear resistance and a combination of good toughness and stiffness. The compositions comprise polyacetal, toughener, carbon fibers, and, optionally, glass fibers.
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WO/2009/015300A1 |
Polyacetal composition comprising polyacetal, ultrahigh molecular weight polyethylene, and a compatibilizer comprising ethylene/vinyl acetate copolymer and, optionally, at least one epoxy-containing compound.
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WO/2008/115458A1 |
A polyacetal resin composition of the present invention includes: a) a polyacetal resin, b) a high molecular weight silicone blended with a polyacetal resin, a high molecular weight silicone blended with an olefin resin, a polyolefin res...
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WO/2008/085478A1 |
Disclosed herein are polyoxymethylene blends having excellent fatigue resistance comprising at least one polyoxymethylene homopolymer having a number average molecular weight of at least about 100,000 and at least one polyoxymethylene ho...
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WO/2008/078570A1 |
Disclosed is a polyacetal resin material which can maintain excellent properties inherent in polyacetal resins including mechanical properties, workability and surface properties, which can improve these properties, and which is maximall...
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WO/2008/078572A1 |
Disclosed is a polyacetal resin composition which has excellent workability and stability and, when molded into an article, which is remarkably reduced in the amount of aldehyde generated from the article and shows no leaching out of any...
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WO/2008/078571A1 |
Disclosed is a polyacetal resin material which can maintain excellent properties inherent in polyacetal resins including mechanical properties, workability and surface properties, which can improve these properties, and which is maximall...
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WO/2008/069184A1 |
An oxymethylene copolymer composition for use as a high-strength high-modulus stretching material, the composition comprising 100 parts by mass of an oxymethylene copolymer and 0.001-0.05 parts by mass of a crosslinkable compound. Also p...
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WO/2008/066663A2 |
Polyacetal compositions comprising polyacetal, electroconductive carbon black, and substituted urea provide a combination of good static dissipation properties, good thermal stability during processing, and good stability to contact with...
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WO/2008/066053A1 |
Disclosed is a polyacetal resin composition which has excellent processability and stability and which, when molded into an article, can reduce the amount of formaldehyde generated from the article and can prevent a compounded ingredient...
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WO/2008/040675A1 |
A method for removing residual monomers from polyoxymethylene homopolymers or copolymers using an electromagnetic high-frequency field is proposed, comprising the following process steps: a) providing a base melt of polyoxymethylene homo...
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WO/2008/038745A1 |
Disclosed is a polyacetal resin composition which has excellent weather resistance and suppressed surface gloss, while being remarkably reduced in generation of formaldehydes. Specifically disclosed is a polyacetal resin composition whic...
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WO/2008/028954A2 |
The invention relates to novel compounds containing a carboxylic acid head group. The invention further provides compositions containing the novel compounds, a particulate solid and an organic medium or water.
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WO/2008/015066A1 |
Disclosed herein are compositions and systems having a low coefficient of friction. The low friction system comprises a first surface and a second surface, where the first surface comprises (i) a polycarbonate and a first additive, or (i...
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WO/2008/012232A1 |
Method for producing polyoxymethylene homopolymers or copolymers (POM) by polymerization of suitable monomers and subsequent deactivation by the addition of a deactivator, characterized by the fact that a highly branched or hyperbranched...
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WO/2008/006776A1 |
The present invention relates to binding agents for powdered metals or powdered metal alloys, thermoplastic masses for the production of metallic molds containing these binding agents, a method for the production of said metallic molds, ...
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WO/2008/001556A1 |
Disclosed is a method for producing a stabilized polyacetal resin wherein unstable end groups are reduced. Also disclosed is a processing agent for decomposing unstable end groups, which is excellent in odor characteristics and effective...
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WO/2008/001557A1 |
Disclosed is a polyacetal resin composition excellent in workability, stability and weather (light) resistance, which enables to obtain a molded article greatly suppressed in generation of formaldehyde while being prevented from bleeding...
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WO/2007/145211A1 |
A polyacetal resin composition which has improved frictional/wearing properties as compared with conventional polyacetal resin compositions and which is less restricted in mating sliding members and can conform to a wide range of frictio...
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WO/2007/123603A1 |
This invention in one aspect is a polyoxymethylene compound exhibiting an unproved balance of properties and volume resistivity of 100-106 ohm-cm, which comprises polyoxymethylene, polyethylene glycol, metal oxide, high-structure carbon ...
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WO/2007/119972A1 |
There is provided a permanent anti-static polyoxymethylene resin composition including from about 50-90.0 percent by weight of polyoxymethylene; and from about 10.0 to 50.0 percent by weight of polyetheresteramide including polyether and...
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WO2007037446A9 |
A stable polyacetal resin composition in which the amount of formaldehyde to be generated is on an extremely low level and which, even when placed in a closed space, does not adversely influence coexistent moldings of other resins. The p...
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WO/2007/035371A1 |
The present invention relates to thermoplastic hollow vessels, tanks, drums and other industrially applicable housings. The invention is adaptable as plastic fuel tanks with low fuel permeability, e.g., less than 5 g. • mm/ m2 day as a...
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WO/2007/032081A1 |
The comonomer quantity and thermal stability of polyoxymethylene resin copolymer are restricted and further the method of feeding polyoxymethylene resin and carbon in extrusion operation is delved deeper into to thereby enable production...
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WO/2007/029835A1 |
A polyacetal resin composition that realizes suppression of the emission of formaldehyde to an extremely low level and further inhibition of mold deposit or bleedout attributed to additives. In particular, 100 parts by weight of polyacet...
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WO/2007/020931A1 |
A polyoxymethylene resin composition which is excellent in moldability (mold releasability and suitability for molding cycles) and is reduced in the amount of formaldehyde generated. It comprises (A) 100 parts by weight of a polyacetal c...
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WO/2007/012469A1 |
The invention relates to mouldings or moulding compounds of polyoxymethylene which feature low formaldehyde emission, containing 0.1% - 50.0% by weight of a tribological modifier, 0.01% - 0.5% by weight of a cyclic stabilizer containing ...
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WO/2007/009925A1 |
The invention relates to a method for producing polyoxymethylene copolymers (POM) in the following manner: a) a reaction mixture containing suitable principal monomers and comonomers in addition to a polymerisation initiator and optional...
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WO/2007/010917A1 |
An injection-molded gear which is made of a polyacetal resin composition comprising a polyacetal and a filler having a specific shape and a specific particle diameter. The gear has durability and an excellent balance between dimensional ...
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WO/2006/133370A1 |
Composition comprising high molecular weight polyacetal and ultrahigh molecular weight polyethylene having improved wear resistance, high melt viscosity, and good mechanical properties. Articles comprising the compositions are disclosed.
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WO/2006/120199A1 |
Use of polyethylene imines in polyoxymethylene homopolymers or copolymers (POM) for reducing the residual formaldehyde content of polyoxymethylene homopolymers or copolymers.
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WO/2006/105918A1 |
The invention relates to compositions containing: a) polyoxymethylene; b) thermoplastic elastomer with active hydrogen atoms; c) polyoxymethylene, which contains active hydrogen atoms and which differs from constituent a); d) a reagent f...
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WO/2006/098251A1 |
A process for producing a stabilized polyacetal resin which comprises heating a polyacetal resin having unstable terminal groups in the presence of a treating agent for unstable-terminal-group decomposition selected from the following gr...
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WO/2006/097486A1 |
The invention relates to a method for removing unreacted residual monomers from polyoxymethylenes. The inventive method is characterized by carrying out a degassing step in a strand-type degasifier.
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WO/2006/074997A1 |
The invention relates to a moulding compound, comprising between 10 and 99.999 wt. % of at least one polyoxymethylene as component (A1) and between 0.001 and 10 wt. %, (in relation to the weight of the component (A1) contained in the mou...
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WO/2006/070519A1 |
A thermosetting resin composition comprising a phenolic novolak resin, a polyacetal resin, and a cyclohexyl compound represented by the general formula (1) as a curing catalyst; a thermosetting-resin molding material comprising the therm...
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WO/2006/062678A1 |
An aqueous dispersion includes an associative thickener based on a hydrophobically modified poly(acetal- or ketal-polyether) (HM-PAPE) and at least one viscosity reducing agent selected from ethoxylated alcohols, ethoxylated acetyleneic ...
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WO/2006/057975A2 |
A high-density polyoxymethylene resin composition that comprises polyoxymethylene; at least one coated mineral selected from zinc oxide, barium sulfate, and titanium dioxide; and at least one thermal stabilizer.
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WO/2006/045579A1 |
The invention relates to a method for the cationic polymerisation or copolymerisation of cyclic acetals and/or formals. Said method is characterised in that at least one heteropoly acid of general formula (I) [(RP)mMxOy]n-Hn and/or at le...
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