| Patent Number |
Title Of Patent |
Date Issued |
| 8114931 |
Aqueous adhesive dispersions |
February 14, 2012 |
| An aqueous polymer dispersion that includes a) a polyurethane dispersion having an average particle size of 60 to 350 nm and b) an aqueous silicon dioxide dispersion having a particle diameter of the SiO.sub.2 particles of 20 to 400 nm. The dispersion is prepared by mixing the polyuretha |
| 8071670 |
Aqueous dispersions of polyvinylacetate and silica, processes for preparing the same, uses there |
December 6, 2011 |
| Aqueous polymeric dispersions comprising a mixture of: (a) a component selected from the group consisting of polyvinylacetates, polyvinylacetate copolymers, and combinations thereof; and (b) SiO.sub.2 particles having an average particle diameter of 1 to 400 nm; their use as adhesives an |
| 7767737 |
Aqueous adhesive dispersions |
August 3, 2010 |
| Aqueous polymer dispersions based on polychloroprene, and a process for their preparation and use. The aqueous polymer dispersions are produced from a polychloroprene dispersion having an average particle size of from 60 to 220 nm, and an aqueous silicon dioxide dispersion having an |
| 7354971 |
Aqueous dispersions |
April 8, 2008 |
| The invention concerns hydrous compositions based on polychloroprene and hydroxylamine derivatives, processes for their production and their use as adhesives. The polychloroprene dispersions are stabilized by the addition of hydroxyalkylamine after removal of residual monomer. |
| 5889123 |
Polymer compounds and their use for the vulcanization of halogenated butyl rubbers with a low ha |
March 30, 1999 |
| Compositions comprising new halogenated butyl rubbers with a defined, low content of halogen, a defined content of non-halogenated double bonds and a defined content of anti-agglomeration/vulcanisation control agents and containing polymer compounds comprising special amidines, mercapto |
| 5804668 |
Polymer compounds and the use thereof for vulcanising rubbers containing halogen |
September 8, 1998 |
| The polymer compounds according to the invention prepared from specific amidines, zinc mercapto compounds and elastomers are ideally suitable for the production of thermally stable rubber vulcanisates containing halogen. The vulcanisates of rubbers containing halogen obtained by means of |
| 5708096 |
Polymer compounds and their use for the vulcanisation of halogen-containing rubbers |
January 13, 1998 |
| The polymer compounds according to the invention, comprising special amidines, mercapto compounds and elastomers, are mainly suitable for the production of thermally stable, halogen-containing vulcanized rubbers. The vulcanized, halogen-containing rubbers obtained by means of the polymer |
| 5298580 |
Process for the production of vulcanizable mercaptan-and/or xanthogen disulfide-regulated polych |
March 29, 1994 |
| Vulcanizable, mercaptan- and/or xanthogen-disulfide-regulated polychloroprene rubber are produced by emulsion polymerization of chloroprene and, based on polymerizable monomer used, 0 to 30 parts by weight ethylenically unsaturated, other monomers copolymerizable with chloroprene in |
| 5210152 |
Process for the vulcanization of polychloroprene |
May 11, 1993 |
| The metal oxide vulcanization of polychloroprene in the presence of amidine compounds, but in the absence of magnesium oxide, leads to vulcanizates which are capable of withstanding high temperatures, even under dynamic stress. |
| 5187232 |
Rubber compounds of polychloroprene and hydrogenated nitrile rubber |
February 16, 1993 |
| Mixtures of polychloroprene and hydrogenated nitrile rubber give vulcanizates combining high modulus with a high dynamic stress absorption capacity. |
| 5064904 |
Suitable polychloroprene materials for the production of high-damping vulcanisates |
November 12, 1991 |
| Vulcanizates of polychloroprene materials containing fluorinated polyolefin have a decreased rebound elasticity without having a significantly adverse effect on the mechanical properties. |
| 5026779 |
Mixtures of chloroprene polymers |
June 25, 1991 |
| This invention relates to mixtures of polychloroprene elastomers which are distinguished by their good processibility and excellent cold resistance. |
| 4975501 |
Process for polymerization of chloroprene |
December 4, 1990 |
| The polymerization of chloroprene leads to non-colored products when a mixture of 2.0 to 5.0% by weight of a salt of disproportionated abietic acid and 0.1 to 1.0% by weight, in each case relative to the total amount of monomer, of a compound of the formula ##STR1## in which R.su |
| 4954585 |
Process for the production of sulfur-modified polychloroprene |
September 4, 1990 |
| The combination of unmodified resinic acids and direct peptization in the production of sulfur-modified polychloroprene leads to a favorable ratio of elasticity to viscosity. |
| 4895906 |
Polychloroprene mixtures |
January 23, 1990 |
| The invention relates to a polychloroprene rubber which shows advantages over the prior art in the sum total of its performance properties, namely vulcanization rate, tensile strength, elongation at break, modulus, tear propagation resistance and thermal stability of the vulcanizate. |
| 4857616 |
Process for the preparation of polychloroprene |
August 15, 1989 |
| Storage-stable polychloroprene is obtained, by aqueous emulsion polymerization, using xanthogen disulphides as molecular weight regulators, when a peptizing agent is added after the end of the polymerization. |
| 4786698 |
Polymerization of chloroprene |
November 22, 1988 |
| Gel-free polychloroprene is obtained, at high monomer conversions, using a polymerization initiator comprising sodium dithionite or a mixture of sodium dithionite with formamidinesulphinic acid or with potassium peroxydisulphate or with formamidinesulphinic acid and potassium peroxod |
| 4740572 |
Process for the production of polymers containing reactive terminal groups |
April 26, 1988 |
| The production of polymers containing terminal halogen groups from cationically polymerizable monomers using a metal halide boiling below 50.degree. C. at normal pressure as catalyst and an organic halide corresponding to the following general formula ##STR1## in which X is halog |
| 4737528 |
Vulcanizable polymer mixtures, their production and use and vulcanizates obtained therefrom |
April 12, 1988 |
| Polychloroprene rubbers having favorable processing behavior and excellent properties are obtained if mono-, di- or trichlorosubstituted polyisobutylene is added as plasticizer before vulcanization. |
| 4704441 |
Process for the polymerization of chloroprene |
November 3, 1987 |
| Polychloroprene, optionally modified with sulphur, is obtained having improved properties and light in color if, in the course of polymerization, from 1.5.times.10.sup.-2 to 4.times.10.sup.-4 mol of a tetraalkyl thiuramic disulphide per 100 g of monomer are added when from 56 to 74% |
| 4611037 |
Process for the production of polymers having reactive end groups |
September 9, 1986 |
| An improved process for the production of polymers having halogen end groups from cationically polymerizable monomers, the monomer being polymerized in an inert solvent at a temperature of from +10.degree. to -130.degree. C. using a catalyst system consisting of a metal halide and an |
| 4528388 |
Xanthogen disulphides |
July 9, 1985 |
| Xanthogen disulphides of the following formula: ##STR1## wherein R and R.sub.1 independently represent hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.5 -C.sub.8 -cycloalkyl or an oxygen-containing heterocyclic ring system having from 5 to 8 ring members and optionally mono- or tri-subst |
| 4521576 |
Continuous polymerization of chloroprene |
June 4, 1985 |
| A process for the production of storable polychloroprene having reduced tackiness on mixing rolls by the continuous polymerization of chloroprene and, optionally, up to 50%, by weight, of a monomer copolymerizable with chloroprene in aqueous alkaline emulsion in the presence of emulsifie |
| 4485216 |
Polychloroprene mixtures and the use thereof |
November 27, 1984 |
| Solid polychloroprene mixtures consisting of sol and gel polymer, wherein the sol component consists of a copolymer of chloroprene and from 0.75 to 0.32% by weight of sulphur, based on the total quantity of unsaturated compounds of the sol polychloroprene, and the gel component consists |
| 4482676 |
Production of sulfur-modified solid chloroprene rubbers |
November 13, 1984 |
| Vulcanizable, elastomeric chloroprene/sulfur copolymers having viscosities of from 60 to 35 ME, strengths of greater than 20 MPa and sulfur contents of from about 0.3 to 0.45% by weight are obtained by polymerizing chloroprene in the presence of from 0.05 to 0.40% by weight of sulfur to |
| 4452947 |
Process for the production of sulphur-modified solid chloroprene rubbers |
June 5, 1984 |
| Vulcanisable, elastomeric chloroprene-sulphur copolymers having viscosities of from 60 to 35 MU, strengths of >20 MPa and sulphur contents of from about 0.5 to 0.7%, by weight, in the batch are obtained by polymerising chloroprene in the presence of from 0.10 to 0.35%, by weight, of s |
| 4443583 |
Process for the production of chloroprene polymer mixtures |
April 17, 1984 |
| A process for the production of polychloroprene mixtures of sol and gel polymers in a ratio, by weight, of rom 1:4 to 9:1, the gel polymer being produced by radical emulsion polymerization from chloroprene in the presence of 4 to 10% by weight of water soluble disproportionated abietic |
| 4443582 |
Mixtures of chloroprene polymers and the production thereof |
April 17, 1984 |
| This invention relates to a polychloroprene elastomer distinguished by good processing properties and high tensile strength in the form of a polychloroprene mixture containing a sol polymer and a gel polymer in a ratio, by weight, of from 1:4 to 9:1, characterized in that both polymers |
| 4433106 |
Production of sulphur-modified polychloroprene rubbers |
February 21, 1984 |
| Vulcanizable, elastomeric, sulphur-modified polychloroprene rubbers having improved properties are obtained by adding up to 40%, by weight, of SBR latex (solids, based on total solids) before working-up and before or after peptization. |
| 4303765 |
Process for the production of storable 2-chloro-1,3-butadiene/sulfur copolymers |
December 1, 1981 |
| A process for the production of storable 2-chloro-1,3-butadiene/sulphur copolymers by peptization using sulphur containing petizing agents, wherein a compound corresponding to the following general formula:whereinn represents an integer having a value of from 2 to 10, preferably from 3 t |
