| Patent Number |
Title Of Patent |
Date Issued |
| 6930163 |
Process for the continuous preparation of thermoplastically processable polyurethanes with impro |
August 16, 2005 |
| Process for the continuous preparation of thermoplastically processable polyurethane elastomers with improved softening properties is disclosed. The process is carried out in a tubular reactor at a ratio of the circumferential speed of the stirrer (in m/sec) in the tubular reactor and |
| 6624278 |
Process for producing thermally stable thermoplastic polyurethanes |
September 23, 2003 |
| A continuous process for the production of thermoplastically processable polyurethane elastomer is disclosed. The process comprise adding acid H compounds in an amount calculated to control and render constant the melt viscosity of the product. The inventive elastomer has constant melt f |
| 6552153 |
Thermoplastic resins having incorporated mold release agents |
April 22, 2003 |
| A mixture of hydroxy-terminated hydrocarbons useful as a mold release agent for polymers is disclosed. The polymers suitable in the present context are the ones prepared by polyaddition or polycondensation, in particular, thermoplastic polyurethane and polyurethane urea. |
| 6294637 |
Continuous preparation of melt-processable polyurethane in a twin screw extruder |
September 25, 2001 |
| The invention relates to a process for the continuous preparation of melt-processable polyurethanes, wherein an isocyanate-terminated prepolymer is intensively mixed with chain extender at temperatures of <200.degree. C., and the mixture obtained is converted to melt processable p |
| 5981655 |
Process for preparing TPU molding compositions |
November 9, 1999 |
| A process for the continuous production of a thermoplastic molding composition containing a mixture of a TPU and a thermoplastic (co)polymer is disclosed. The process comprises(i) introducing into an extruder via a first feed point component I) with at least 3% by weight, with respect to |
| 5936018 |
Melt-processable polyurethanes containing special wax mixtures |
August 10, 1999 |
| A thermoplastic molding composition comprising a thermoplastic polyurethane and a wax mixture is disclosed. The polyurethane is a product of an organic diisocyanate, a linear, hydroxyl-terminated polyol and a diol or diamine chain extender. The wax mixture contains a first mixture of an |
| 5925697 |
Melt processable polyurethanes containing wax |
July 20, 1999 |
| A thermoplastsic molding composition comprising thermoplastic polyurethane resin and about 0.05 to 2 percent of a wax is disclosed. The composition which offers processing advantages, including release and cosmetic properties, is characterized in that the wax contains acylation products |
| 5905133 |
Process for the continuous production of thermoplastically processable polyurethanes having impr |
May 18, 1999 |
| The present invention relates to a process for the continuous production of thermoplastically processable polyurethanes having improved processing behaviour, wherein in a multistep reactionA) one or more linear hydroxyl-terminated polyols a) having a molecular weight of from 500 to 5000 |
| 5795948 |
Multistage process for production of thermoplastic polyurethane elastomers |
August 18, 1998 |
| Thermoplastically processable polyurethane elastomers are produced by a process ofA) mixing one or more substantially linear macrodiols with a diisocyanate,B) reacting the resultant mixture in a reactor at temperatures of >100.degree. C. to form a prepolymer,C) mixing the prepolymer with |
| 5760133 |
Process for preparing TPU molding compositions |
June 2, 1998 |
| A process for the continuous production of a thermoplastic molding composition containing a mixture of a TPU and a thermoplastic (co)polymer is disclosed. The process comprises(i) introducing into an extruder via a first feed point component I) with at least 3% by weight, with respect to |
| 5696205 |
Process for preparing TPU molding compositions |
December 9, 1997 |
| A process for the continuous production of a thermoplastic molding composition containing a mixture of TPU and a (co)polymer is disclosed. The process comprises(a) introducing into an extruder under time and temperature conditions sufficient to bring about the formation of thermoplastic |
| 5567791 |
Process for the continuous production of thermoplastic polyurethane elastomers |
October 22, 1996 |
| A method whereby the properties, particularly the recrystallisation temperature, of thermoplastic polyurethane elastomers, particularly those suitable for processing by extrusion, are kept constant during continuous manufacture in screw-type extruding machines by continuously adding |
| 5545707 |
Multistage process for producing thermoplastic polyurethane elastomers |
August 13, 1996 |
| Thermoplastically processable polyurethane elastomers are prepared by A) mixing one or more substantially linear polyols with a diisocyanate, B) reacting the resultant mixture substantially completely in a reactor at temperatures of >100.degree. C. to form a prepolymer, C) mixing the |
| 5272193 |
Thermoplastic polycarbonate moulding compounds with flame-resistant properties |
December 21, 1993 |
| Thermoplastic polycarbonate moulding compounds containing 40 to 90 parts by weight of a thermoplastic aromatic polycarbonate; 0 to 80 parts by weight of a copolymer or polycondensate consisting of 0 to 50 parts by weight of a thermoplastic copolymer of 50 to 95% by weight of styrene, |
| 5240978 |
Thermoplastic polycarbonate moulding compositions with flame-resistant properties |
August 31, 1993 |
| A flame resistant molding composition containing a polycarbonate resin, a graft polymer and, as a flame retarding agent a phosphoric acid ester of novolak in combination with an anti drip agent is disclosed. The composition may further contain a thermoplastic copolymer and/or polyalk |
| 5200491 |
Process for the preparation of thermoplastic polyurethane elastomers |
April 6, 1993 |
| This invention relates to a process for standardized preparation of thermoplastic polyurethane elastomers by deactivating metal traces during the reaction, at an NCO:OH ratio of between about 0.85 and about 1.2:1, of(a) substantially linear hydroxyl-terminated polyols;(b) organic diisocyanat |
| 5191000 |
Flameproofed, non-dripping polyalkylene terephthalate molding compounds |
March 2, 1993 |
| The flameproofed, non-dripping polyalkylene terephthalate molding compounds according to the invention based on phosphoric acid esters may be used for the production of moldings. The fire behavior of the polyalkylene terephthalate molding compounds is improved by the addition of certain |
| 5157065 |
Thermoplastic polycarbonate moulding compositions with flame-resistant properties |
October 20, 1992 |
| Thermoplastic molding compositions containing thermoplastic, aromatic polycarbonates, graft polymers, special phosphorus compounds, antidripping agents and optionally other thermoplasts as well as conventional additives are disclosed. The compositions are characterized by their flame |
| 5137953 |
Flame-resistant thermoplastic polycarbonate molding compounds |
August 11, 1992 |
| The invention relates to thermoplastic molding compounds containing thermoplastic aromatic polycarbonates, thermoplastic copolymers, optionally graft polymers and/or tetrafluoroethylene polymers and/or silicone resins, characterized in that they contain phosphorus compounds correspon |
| 5102931 |
Flameproofed, non-dripping polyamide moulding compound |
April 7, 1992 |
| The subject of the invention is flameproofed, non-dripping polyamide moulding compounds which contain specific amounts of the following:A) Phosphinic acid esters of polyphenols based on phenolaldehyde/ketone condensates,B) Anti-dripping agents (such as polyfluoroethylene polymers or aramides |
| 5100958 |
Use of silicone resins as flameproofing agents |
March 31, 1992 |
| The invention relates to powder-form polymer mixtures of silicone resins (B) and thermoplastic polymers (A), to their production and to their use for the modification of thermoplatics. |
| 5064885 |
Stabilized aliphatic polycarbonates |
November 12, 1991 |
| This invention relates to aliphatic polycarbonates including sequential copolymers based on cyclic aliphatic carbonates and esters and block copolymers of blocks of polymerised cyclic aliphatic carbonates and blocks of polymerised vinyl compounds stabilized against thermal degradation |
| 5021488 |
Flameproofed, non-dripping polyamide moulding compositions |
June 4, 1991 |
| The invention relates to flameproofed, non-dripping polyamide moulding compositions which contain certain amounts ofA) phosphinic acid esters of polyphenols based on phenol-aldehyde/ketone condensates,B) antidripping agents (such as polyfluoroethylene polymers or aramides) andC) zinc bor |
| 4988748 |
Flame-resistant thermoplastic polycarbonate molding compounds |
January 29, 1991 |
| The invention relates to thermoplastic polycarbonate molding compounds containing polycarbonates, copolymers, phosphorus compounds, tetrafluoroethylene polymers and, optionally, graft polymers and also further additives and other thermoplastics and also stabilizers, pigments, flow ai |
| 4983658 |
Thermoplastic moulding compositions with flame-repellent properties |
January 8, 1991 |
| The present invention relates to thermoplastic moulding compositions which are provided with a flame-repellent finish by adding phosph(on)ate esters, tetrafluoroethylene polymers and, if appropriate, halogen compounds. |
| 4925891 |
High impact strength flame-retardant polycarbonate moulding compositions |
May 15, 1990 |
| The present invention relates to high impact strength flame-retardant polycarbonate moulding compositions, which are characterized in that they consist of halogen-free polydiorganosiloxane-polycarbonate block copolymers, halogen-free copolymers, halogen-free phosphorus compounds, tet |
| 4888370 |
Flame-resistant polyamides |
December 19, 1989 |
| Flame-resistant, thermoplastic polyamide moulding materials which contain 0.01-4% by weight of polyphenylene oxides as flameproofing agent and which are prepared by mixing the components in the melt. |
| 4837276 |
Phosphorus-containing oligomers and polymers containing polyphenylene ether blocks and mixtures |
June 6, 1989 |
| The invention relates to oligomeric and polymeric esters of difunctional polyphenylene ethers and phosphinic acids, phosphonic acids and phosphoric acid and to their use as a flame-retarding mixing component for other plastics. |
| 4801632 |
Cellulose ester moulding materials with improved toughness |
January 31, 1989 |
| Thermoplastic moulding materials consisting of(1) 70 to 99.9% by weight of a cellulose ester or cellulose mixed ester(2) 0.1 to 30% by weight of a rubber polymer built up in the form of blocks from recurring structural units (I) with molecular weights of 10,000 to 1,000,000whereinA denotes b |
| 4788238 |
Thermoplastic moulding compositions having flame-retardant properties |
November 29, 1988 |
| The present invention provides thermoplastic flame-retardant moulding compositions containing halogen-containing copolycarbonates, styrene/maleic anhydride copolymers, phosphorus compounds of the formula (I) ##STR1## and tetrafluoroethylene polymers and, if desired, further known |
| 4786671 |
Flameproofing agent combinations and their use in thermoplastic moulding compositions of polycar |
November 22, 1988 |
| The present invention relates to new flameproofing agent combinations of bisphthalimides and tetrafluoroethylene polymers and their use for providing thermoplastic moulding compositions of halogenated polycarbonates and ABS polymers with a flame-repellent finish. |
| 4769444 |
Flameproof polyamides |
September 6, 1988 |
| Flameproof thermoplastic polyamide moulding materials which contain 2 to 20% by weight, based on the polyamide, of at least one non-halogenated cyclic aromatic inside compound. |
| 4766165 |
Thermoplastic moulding compositions having flame-retarding properties |
August 23, 1988 |
| The present invention relates to flame-retarding moulding compositions which are based on thermoplastic polycarbonates, copolymers of styrenes and maleic anhydride, phosphorus compounds of the formula (I) ##STR1## tetrafluoroethylene polymers, small amounts of graft polymers and |
| 4751260 |
Flame-retarding, polycarbonate moulding materials of high impact strength |
June 14, 1988 |
| The present invention relates to flame-retarding, thermoplastic polycarbonate moulding materials of high impact strength consisting of halogen-containing polycarbonates, copolymers formed from styrenes and (meth)acrylonitrile, phosphorus compounds of the formula (I) ##STR1## tetr |
| 4692488 |
Thermoplastic polycarbonate moulding compositions |
September 8, 1987 |
| The present invention relates to high-impact, flame-repellant thermoplastic polycarbonate moulding compositions consisting of halogen-free polycarbonates, halogen-free copolymers of styrenes and (meth)acrylonitrile, halogen-free phosphorus compounds of the formula (I) ##STR1## te |
| 4632951 |
Metal oxides on organic, halogen-containing carriers as flameproofing agents |
December 30, 1986 |
| Flameproofing additives for plastics materials consisting of a coating- and carrier material. The coating consists of metal oxides, the carrier of organic compounds, in which halogen is bound to carbon. The combination of the two components of the flameproofing additives has an inhibitin |
| 4581409 |
ABS-moulding compositions with improved fire repellency |
April 8, 1986 |
| The invention relates to ABS moulding compositions based on selected copolymers and, optionally graft polymers of olefinically unsaturated monomers which are suitable for the preparation of ABS and silicon derivatives which are capable of copolymerization, the flame resistant propert |
| 4563496 |
Self-extinguishing thermoplastic moulding compositions of polycarbonate and ABS-polymers |
January 7, 1986 |
| This invention relates to self-extinguishing thermoplastic moulding compositions of an aromatic polycarbonate containing a co-condensed halogen, a thermoplastic copolymer containing nucleus-alkylated styrene and an ABS as graft copolymer. |
| 4548987 |
ABS-Polycarbonate mixtures which have improved flame resistance |
October 22, 1985 |
| ABS-polycarbonate mixtures consisting of an aromatic polycarbonate A, a graft polymer B having a rubber-like graft base and optionally a thermoplastic copolymer C have improved flame resistance if the total mixture contains a compound corresponding to the formulae ##STR1## wherei |
| 4357267 |
Thermoplastic moulding compositions of cellulose esters |
November 2, 1982 |
| Transparent thermoplastic moulding compositions having improved mechanical properties consist essentially of a cellulose ester of aliphatic C.sub.1 -C.sub.5 -carboxylic acids and a graft copolymer of an ethylene vinyl ester copolymer having grafted thereon polymerized units of vinyl este |
| 4296762 |
Smokable products |
October 27, 1981 |
| A smokable product based on cellulose and combustion-modifying substances, containing(a) 0.1-10% by weight, based on the total weight of the smokable product, of finely divided solids, the average particle diameter of which is less than 2.mu., in a distribution which is heterogeneous ove |
| 4193897 |
Contact lenses formed of mixtures of cellulose esters and ethylene/vinyl acetate copolymers |
March 18, 1980 |
| Contact lenses and scleral lenses formed of mixtures consisting essentially of(1) from 99 to 70% by weight of a cellulose ester of one or more aliphatic carboxylic acids, and(2) from 1 to 30% by weight of an ethylene/vinyl acetate copolymer containing from 30 to 98% by weight of incorpor |
