| Patent Number |
Title Of Patent |
Date Issued |
| 5116907 |
Heat distortion resistant, thermoplastic molding material containing a copolymer, preparation of |
May 26, 1992 |
| A molding material is described which contains, in each based on the sum of A, B and C,A. from 5 to 95, in particular from 20 to 80, % by weight of a copolymer comprisinga) from 1 to 95% by weight of styrene,b) not more than 40% by weight of acrylonitrile andc) from 5 to 98% by weight of an |
| 5115022 |
Thermoplastics of polyalkylene terephthalates impact modified with functionalized polymers and u |
May 19, 1992 |
| Impact modified thermoplastic blends of components A, B and optionally C, consisting of:A) from 99 to 60 percent by weight of a polymeric rigid matrix consisting of polybutylene terephthalate or polyethylene terephthalateB) from 1 to 40 percent by weight of a polymeric flexibilizing componen |
| 5104936 |
Thermoplastic molding material |
April 14, 1992 |
| Molding materials comprising a matrix of high impact polystyrene and rubber incorporated in the form of discrete particles contain not less than 50% by weight of polystyrene A and an effective amount of up to 50% by weight of a graft rubber B. The graft rubber B consists of from 40 to 95 |
| 5055527 |
Thermoplastics impact modified with functionalized polymers and use thereof for producing moldin |
October 8, 1991 |
| Impact modified thermoplastic blends of components A, B and optionally C, consisting of:A) from 99 to 60 percent by weight of a polymeric rigid matrix consisting ofa1) 60-99.5 percent by weight of an aromatic vinyl compound present as copolymerized units,a2) 0.5-20 percent by weight of a |
| 5011871 |
Impact resistant thermoplastic molding composition and use thereof |
April 30, 1991 |
| An impact resistance thermoplastic molding composition contains, each percentage being based on A+B, from 80 to 55% by weight of a hard matrix A of a copolymer containing at least 95% by weight of an aromatic vinyl monomer a.sub.11 of from 8 to 10 carbon atoms and at least one comonomer |
| 4985503 |
Preparation of impact-resistant poly(alkyl)styrene |
January 15, 1991 |
| Process for preparing impact-resistant translucent rubber-modified polystyrene by polymerizing compounds of the styrene class in the presence of a rubber containing thiol groups. |
| 4952654 |
Heat distortion resistant, transparent thermoplastic molding material, its preparation and its u |
August 28, 1990 |
| A heat distortion resistant, transparent thermoplastic molding material contains a copolymer of the monomers(a) methyl methacrylate and(b) an N-substituted amide of methacrylic acid.The molding material contains from 5 to 95% by weight of monomer (a) and from 95 to 5% by weight of monomer or |
| 4908414 |
Preparation of impact-resistant poly(alkyl)styrene |
March 13, 1990 |
| Impact-resistant translucent rubber-modified polystyrene is produced by polymerizing compounds from the class of the styrenes in the presence of an elastomeric polymer which contains thiol groups. |
| 4866129 |
Impact resistant thermoplastic molding materials |
September 12, 1989 |
| Impact resistant thermoplastic molding materials containing a styrene polymer modified with rubber to be impact resistant, a hydrogenated styrene containing block copolymer and a polyphenylene ether as well as optional additives in which 50 to 98 percent by weight of the particles of |
| 4839418 |
Thermoplastic molding materials and their preparation |
June 13, 1989 |
| A thermoplastic molding material contains, in each case based on the molding material comprising A+B,A from 80 to 60% by weight of a hard matrix composed of polystyrene andB from 20 to 40% by weight of a soft phase which is obtainable by polymerization of styrene in the presence of a linear |
| 4762874 |
Thermoplastic molding materials |
August 9, 1988 |
| Thermoplastic molding materials contain a blend of a polyphenylene ether with a copolymer which consists of monovinyl-aromatic monomers, alkyl methacrylates where alkyl is of not more than 8 carbon atoms and, if required, an elastomer component having a glass transition temperature of |
| 4696996 |
Preparation of polyphenylene ethers, and an apparatus for this purpose |
September 29, 1987 |
| Polyphenylene ethers are prepared from monohydric phenols, which possess alkyl substituents in the two ortho-positions and, if desired, in the meta-position, but not in the para-position, by an oxidative coupling reaction with oxygen at from 15.degree. to 50.degree. C. and under from 1 |
| 4654418 |
Continuous removal of the catalyst from polyphenylene ethers |
March 31, 1987 |
| The catalyst is removed in the preparation of high molecular weight polyphenylene ethers from monohydric phenols, which are alkyl-substituted at the two ortho-positions but not at the para-position and may or may not be alkyl-substituted at the meta-position, by an oxidative coupling |
| 4632946 |
Halogen-free flameproofed thermoplastic molding material |
December 30, 1986 |
| A halogen-free flameproofed thermoplastic molding material consists of a halogen-free thermoplastic resin (A) and one or more further halogen-free components.The thermoplastic resin (A) is present in an amount of from 30 to 90% by weight, based on the molding material. The latter contain |
| 4618668 |
Preparation of polyphenylene ethers |
October 21, 1986 |
| High molecular weight polyphenylene ethers are prepared from monohydric phenols by an oxidative coupling reaction with oxygen in the presence of a solvent and of a catalyst complex consisting of a copper salt and an organic amine of the general formula ##STR1## where R.sup.1 is C |
| 4618636 |
Flameproofed thermoplastic molding material comprising a novolak resin |
October 21, 1986 |
| A flameproofed thermoplastic molding material consists ofA. a thermoplastic resin containing a vinylaromatic monomerand furthermore containsB. from 0 to 100 parts by weight of an elastomer having a glass transition temperature Tg 0.degree. C., as an impact modifier,C. from 2 to 50 parts by weigh |
| 4618633 |
Halogen-free self-extinguishing thermoplastic molding material |
October 21, 1986 |
| A halogen-free self-extinguishing thermoplastic composition comprising as the flame retardant, one or more phosphorus-containing compounds or elemental phosphorous, a polyphenylene ether, a styrene-acrylonitrile copolymer, a phenol/aldehyde resin, a terpolymer of styrene, acrylonitrile |
| 4605699 |
Thermoplastic molding compositions containing polycarbonate and an acrylate graft copolymer |
August 12, 1986 |
| A thermoplastic molding material consists of from 10 to 90 parts by weight of a polycarbonate A and from 90 to 10 parts by weight of a graft copolymer B having a mean particle size of from 200 to 700 nm (d.sub.50 value of the integral mass distribution). The graft polymer B is formed |
| 4604415 |
Thermoplastic molding materials |
August 5, 1986 |
| Thermoplastic molding materials contain a blend of a polyphenylene ether with a copolymer which consists of monovinyl-aromatic monomers, alkyl acrylates where alkyl is of not more than 8 carbon atoms and, if required, an elastomer component having a glass transition temperature of .l |
| 4603169 |
Thermoplastic molding compositions containing polycarbonate and a graft copolymer of resin-formi |
July 29, 1986 |
| A thermoplastic molding material consists of a polycarbonate A and a graft copolymer B, the latter consisting of an elastomer (rubber) (b.sub.1) and a shell (b.sub.2) grafted onto the elastomer.The elastomer (b.sub.1) contains, as copolymerized units, from 35 to 100% by weight of a diene |
| 4567232 |
Continuous preparation of rubber-modified polymers of vinyl-aromatics |
January 28, 1986 |
| A process for the continuous preparation of rubber-modified polymers of vinyl-aromatics, wherein a mixture which contains a monomeric aromatic vinyl compound and from 3 to 30% by weight, based on the monomer, of an elastomeric polymer, with or without a solvent, is polymerized, in the |
| 4526927 |
Thermoplastic molding materials |
July 2, 1985 |
| A thermoplastic molding material contains a styrene polymer, a polyphenylene ether and, as a component for improving the impact strength, a block copolymer obtained by reacting an ethylene copolymer with an active polymeric anion. |
| 4525484 |
Particulate polystyrene containing blowing agent and having improved expandability |
June 25, 1985 |
| Particulate polystyrene containing blowing agent and having improved expandability is based on polystyrene having a weight-average mean molecular weight of not more than from 130,000 to 180,000 and a molecular weight distribution curve in which the high molecular weight flank drops s |
| 4520135 |
Particulate polystyrene containing blowing agent and having improved expandability |
May 28, 1985 |
| Particulate polystyrene containing blowing agent and having improved expandability is based on polystyrene having a weight-average mean molecular weight of not more than from 130,000 to 180,000 and a molecular weight distribution curve in which the high molecular weight flank drops s |
| 4513105 |
Particulate polystyrene containing blowing agent and having improved expandability |
April 23, 1985 |
| Particulate polystyrene containing blowing agent and having improved expandability is based on polystyrene having a weight-average mean molecular weight of not more than from 130,000 to 180,000 and a molecular weight distribution curve in which the high molecular weight flank drops s |
| 4503219 |
Treatment of (Co)polymers to remove residual monomers |
March 5, 1985 |
| (Co)polymers which are composed of one or more monomers from the group comprising(a) the vinyl-aromatic monomers and(b) the ethylenically unsaturated monomersand furthermore contain one or more monomer components (a) or (b), or (a) and (b), as unreacted residual monomers are treated at above |
| 4496679 |
Stabilization of polyphenylene ether solutions |
January 29, 1985 |
| A process for the preparation of high molecular weight polyphenylene ethers from alkyl-substituted monohydric phenols by an oxidative coupling reaction with oxygen in the presence of a catalyst complex of a copper salt and an organic amine, subsequent stopping of the reaction and removal |
| 4493922 |
Impact-resistant thermoplastic molding material |
January 15, 1985 |
| An impact-resistant thermoplastic molding material, containing polystyrene as the matrix, and, dispersed therein, two elastomeric polymers or copolymers I and II composed entirely or predominantly of 1,3-dienes and containing particles of different mean size, namely, in I, particles from |
| 4482705 |
Removal of the catalyst from polyphenylene ethers |
November 13, 1984 |
| High molecular weight polyphenylene ethers are prepared from monohydric phenols by an oxidative coupling reaction with oxygen in the presence of a catalyst complex obtained from a copper salt and an organic amine by a method wherein the metal component of the catalyst is separated off, a |
| 4460764 |
Removal of the catalyst from polyphenylene ethers |
July 17, 1984 |
| In the preparation of a high molecular weight polyphenylene ether from a monohydric phenol by an oxidative coupling reaction with oxygen in the presence of a catalyst complex obtained from a metal salt and an organic amine and in the presence of a solvent, and isolation of the metal ion |
| 4446277 |
Thermoplastic molding material |
May 1, 1984 |
| A thermoplastic molding material based on a styrene polymer which has been made impact-resistant, and on a polyphenylene ether, wherein the impact-resistant styrene polymer comprises a soft component which has a mean particle diameter of greater than 0.3 .mu.m and contains an acrylic |
| 4442263 |
Thermoplastic molding materials |
April 10, 1984 |
| Thermoplastic molding materials contain a copolymer A and a graft copolymer B. The copolymer A is a hard component comprising one or more copolymers of styrene and/or .alpha.-methylstyrene with from 20 to 40% by weight of acrylonitrile.The graft copolymer B comprises one or more crosslin |
| 4440906 |
Thermoplastic molding material |
April 3, 1984 |
| The use of tricyclodecenyl alcohol in place of other crosslinking agents for crosslinking the soft component of impact-resistant polystyrene based on a polystyrene-grafted poly(alkyl acrylate) improves the flow of mixtures of the said polystyrene with polyphenylene ethers. |
| 4436870 |
Production of molding materials containing polyphenylene ethers |
March 13, 1984 |
| Molding materials containing high molecular weight polyphenylene ethers are produced by a process in which a solution of a polyphenylene ether in an organic solvent, together with another polymer, is freed of solvent by multi-stage evaporation.The solvent is preferably an aromatic compou |
| 4427826 |
Process for the continuous preparation of rubber-modified polymers of vinylaromatics |
January 24, 1984 |
| A process, carried out without a diluent or in solution, in more than 2 reaction zones, for the continuous preparation of rubber-modified polymers of vinylaromatics, wherein a monomeric aromatic vinyl compound and an elastomeric polymer, in an amount of from 3 to 16% by weight based on t |
| 4424304 |
Thermoplastic molding materials |
January 3, 1984 |
| Thermoplastic molding materials based on styrene polymers modified to be impact resistant with EPDM rubbers and polyphenylene ethers wherein the particles of the flexible components of the impact resistant styrene polymer have an average particle diameter range of 0.3 to 0.7 microns. |
| 4423187 |
Thermoplastic molding materials |
December 27, 1983 |
| The invention relates to thermoplastic molding materials based on impact resistant polystyrene and polyphenylene ethers. The molding materials of this invention contain a flexible component having a glass temperature below -70.degree. C. and a flexible component having a glass temperatur |
| 4421895 |
Process for the manufacture of ABS polymers and use thereof in preparation of molded parts |
December 20, 1983 |
| A process for making ABS polymer particles comprising continuous polymerization of a mixture of at least one of each of (a) an aromatic vinyl monomer, and (b) an ethylenically unsaturated monomer in a weight ratio of (a):(b) of 90:10 to 10:90 in the presence of at least one of each o |
| 4421875 |
Process for the manufacture of impact resistant thermoplastic molding materials |
December 20, 1983 |
| The invention relates to a process for the manufacture of impact resistant thermoplastic molding materials wherein potassium salts of saturated or unsaturated fatty acids with 10 to 30 carbon atoms are used as emulsifier. |
| 4419478 |
Thermoplastic molding materials |
December 6, 1983 |
| Thermoplastic molding materials based on impact resistant styrene polymers and polyphenylene ethers, containing an ester of an aliphatic monocarboxylic acid having 8 to 30 carbon atoms and an aliphatic or aromatic hydroxy compound having 1 to 6 hydroxyl groups. |
| 4412037 |
Thermoplastic molding materials |
October 25, 1983 |
| Thermoplastic molding materials based on styrene polymers which have been made impact-resistant and on polyphenylene ethers, wherein the particles of the soft component of the styrene polymer which has been made impact-resistant have a mean diameter of more than 1 micron, and wherein |
| 4330641 |
Impact-resistant thermoplastic molding materials with improved stress-cracking resistance |
May 18, 1982 |
| Thermoplastic molding materials which contain a copolymer which has been made impact-resistant with a rubber. The copolymer is produced by polymerizing a mixture of a monovinyl-aromatic compound and an acrylic acid derivative or methacrylic acid derivative in the presence of a rubber |
| 4282334 |
Manufacture of high impact and translucent styrene polymers |
August 4, 1981 |
| A process for the manufacture of high impact and translucent polystyrene, in which, in a first stage, styrene is prepolymerized in mass or in solution in the presence of a rubber, and the polymerization is then completed in mass, in solution or in aqueous suspension. The prepolymeriz |
| 4144204 |
Impact-resistant thermoplastic molding compositions with increased stress crack resistance |
March 13, 1979 |
| Thermoplastic molding compositions, based on polymers of a monovinyl-aromatic compound which have been modified with rubber to increase their impact strength, which also exhibit increased stress crack resistance.The increased stress crack resistance is achieved if the proportion of the |
