Abstract: Methods for producing paper or cardboard are provided that comprise the steps (A) adding a final polymer A to a first aqueous fibrous material suspension, whereby a second aqueous fibrous material suspension containing final polymer A is created, wherein the final polymer A is obtainable by radical polymerisation of the monomers (i), (ii), (iii), (iv), and (v) as described herein in the amounts provided herein; and hydrolysing the starting polymer V in order to obtain the final polymer A, (B) dewatering the second aqueous fibrous material suspension containing final polymer A on a water-permeable substrate to form a wet paper structure, (C) dewatering the wet paper structure, whereby the paper or the cardboard is formed.

Abstract: Methods for producing final polymer A are provided that comprise the following steps: (A) providing a starting polymer V, the starting polymer V being obtainable by radical polymerization of the monomers (i), (ii), (iii), and (iv) as described herein in the amounts provided herein; and (B) hydrolyzing the provided starting polymer V under alkaline conditions to obtain the final polymer A, wherein the N—C(?O)R1 groups of formula (I) at least partially hydrolyze the monomers (i) polymerized into the starting polymer V to form primary amino groups. Certain final polymers A obtained are useful for a method for producing paper or cardboard comprising adding certain final polymers A to a first aqueous pulp suspension, dewatering the obtained second aqueous pulp suspension containing certain final polymers A on a water-permeable substrate to a wet paper structure, and further dewatering of the wet paper structure into a paper or cardboard.

Abstract: A vinyl amine containing polymer comprises randomly distributed repeating monomer units having at least two of the following formulae: wherein, R1 is a hydrogen atom or a methyl group; and wherein the vinyl amine containing polymer comprises repeating monomer unit III and/or IV in a total amount of from about 1.5 weight percent to about 8 weight percent based on a total weight of the polymer.

Abstract: A method for the production of paper or cardboard is provide comprising the following steps: (A) Adding a water soluble polymer P to a first aqueous pulp suspension, wherein polymer P is obtainable by Polymerizing to a polymer V of (i) 33 to 83 mol % of a monomer of formula I in which R1?H or C1-C6 alkyl, (ii) 6 to 56 mol % of diallyl dimethyl ammonium chloride, diallyl diethyl ammonium chloride or a salt form of a monoethylenically unsaturated monomer, (iii) 11 to 61 mol % of a monoethylenically unsaturated carboxylic acid, sulfonic acid or phosphonic acid, or salt forms thereof, (iv) 0 to 50 mol % of one or more ethylenically unsaturated monomers, and hydrolyzing the N—C(?O)R1 groups to form primary amino or amidine groups, (B) dehydrating the second aqueous pulp suspension to a wet paper structure, (C) dehydrating the wet paper structure.

Abstract: A system for producing an in-situ foam, which comprises the components from 50 to 98% by weight of one or more inorganic fillers A), from 1 to 48% by weight of one or more water-soluble, cationic polymers B), from 0.5 to 48% by weight of one or more surfactants C), from 0.01 to 5% by weight of one or more crosslinkers D) which are capable of reacting with the polymers B), from 0 to 20% by weight of one or more additives E), where the percentages by weight of the components A) to E) are based on the nonaqueous fraction and the sum of A) to E) is 100% by weight, process for producing an in-situ foam using the components of the system and foaming by means of a gas or a gas mixture and use for thermal insulation and filling of hollow spaces and hollow bodies.

Abstract: A process for producing an in-situ foam comprising the following mixing components: one or more inorganic fillers A) at from 50 to 98 wt %, one or more cationic or amphoteric polymers B) at from 1 to 48 wt %, one or more surfactants C) at from 0.5 to 48 wt %, one or more crosslinkers D) capable of reacting with said polymers B) at from 0.01 to 5 wt %, one or more cell regulators E), selected from silicones, siliconates and carbon, at from 0.5 to 10 wt %, one or more additives F) at from 0 to 20 wt %, wherein the weight percentages of said components A) to F) are based on the nonaqueous fractions and the sum total of A) to F) adds up to 100 wt %.

Abstract: A method for the production of paper or cardboard is provide comprising the following steps: (A) Adding a water soluble polymer P to a first aqueous pulp suspension, wherein polymer P is obtainable by Polymerizing to a polymer V of (i) 33 to 83 mol % of a monomer of formula I in which R1?H or C1-C6 alkyl, (ii) 6 to 56 mol % of diallyl dimethyl ammonium chloride, diallyl diethyl ammonium chloride or a salt form of a monoethylenically unsaturated monomer, (iii) 11 to 61 mol % of a monoethylenically unsaturated carboxylic acid, sulfonic acid or phosphonic acid, or salt forms thereof, (iv) 0 to 50 mol % of one or more ethylenically unsaturated monomers, and hydrolyzing the N—C(?O)R1 groups to form primary amino or amidine groups, (B) dehydrating the second aqueous pulp suspension to a wet paper structure, (C) dehydrating the wet paper structure.

Abstract: A method of producing paper and board by using at least one water-soluble amphoteric polymer is provided. The water-soluble amphoteric polymer is obtained by copolymerizing a monomer mixture containing a) at least one N-vinylcarboxamide, b) at least one monoethylenically unsaturated monomer having at least one free acid group or at least one acid group in salt form, c) optionally at least one monoethylenically unsaturated monomer other than components (a) and (b), and d) optionally at least one compound having two or more ethylenically unsaturated double bonds, and then partly or wholly hydrolyzing the —CO—R1 groups of the polymer. The cationic monomer units and the anionic monomer units differ in their respective molar fractions, each based on the total number of moles of all monomer units, by not more than 10 mol % in absolute terms.

Abstract: Disclosed herein is a process for producing polymers of an N-vinyl carboxamide, including the steps of flowing a reaction mixture containing an aqueous liquid containing at least one polymerization initiator, N-vinyl carboxamide monomer or a monomer mixture containing N-vinyl carboxamide into a reactor system, and polymerizing the monomer or monomer mixture to produce the polymer of a N-vinyl carboxamide. The polymers resulting therefrom may be hydrolyzed to provide polymers containing vinyl amine units. Also disclosed herein is an apparatus suitable for producing the polymers.

Abstract: An in-situ foam system and process comprises the components one or more inorganic fillers A) at from 50 to 98 wt %, one or more cationic or amphoteric polymers B) at from 1 to 48 wt %, one or more surfactants C) at from 0.5 to 48 wt %, one or more crosslinkers D) capable of reacting with said polymers B) at from 0.01 to 5 wt %, one or more cell regulators E), selected from silicones, siliconates and carbon, at from 0.5 to 10 wt %, one or more additives F) at from 0 to 20 wt %, wherein the weight percentages of said components A) to F) are based on the nonaqueous fractions and the sum total of A) to F) adds up to 100 wt %.

Abstract: A method of producing paper and board by using at least one water-soluble amphoteric polymer is provided. The water-soluble amphoteric polymer is obtained by copolymerizing a monomer mixture containing a) at least one N-vinylcarboxamide, b) at least one monoethylenically unsaturated monomer having at least one free acid group or at least one acid group in salt form, c) optionally at least one monoethylenically unsaturated monomer other than components (a) and (b), and d) optionally at least one compound having two or more ethylenically unsaturated double bonds, and then partly or wholly hydrolyzing the —CO—R1 groups of the polymer. The cationic monomer units and the anionic monomer units differ in their respective molar fractions, each based on the total number of moles of all monomer units, by not more than 10 mol % in absolute terms.

Abstract: Disclosed herein is a process for producing polymers of an N-vinyl carboxamide, including the steps of flowing a reaction mixture containing an aqueous liquid containing at least one polymerisation initiator, N-vinyl carboxamide monomer or a monomer mixture containing N-vinyl carboxamide into a reactor system, and polymerising the monomer or monomer mixture to produce the polymer of a N-vinyl carboxamide. The polymers resulting therefrom may be hydrolysed to provide polymers containing vinyl amine units. Also disclosed herein is an apparatus suitable for producing the polymers.

Abstract: A system for producing an in-situ foam, which comprises the components from 50 to 98% by weight of one or more inorganic fillers A), from 1 to 48% by weight of one or more water-soluble, cationic polymers B), from 0.5 to 48% by weight of one or more surfactants C), from 0.01 to 5% by weight of one or more crosslinkers D) which are capable of reacting with the polymers B), from 0 to 20% by weight of one or more additives E), where the percentages by weight of the components A) to E) are based on the nonaqueous fraction and the sum of A) to E) is 100% by weight, process for producing an in-situ foam using the components of the system and foaming by means of a gas or a gas mixture and use for thermal insulation and filling of hollow spaces and hollow bodies.

Abstract: A process for producing paper or board, which process comprises ad-mixing (I) an aqueous composition of pH ?6 and (II) at least one water-soluble polymeric anionic compound to a paper stock having a pH in the range from 6 to 8 and then dewatering the paper stock by sheet formation and drying, wherein the aqueous composition comprises (a) polymers having primary amino groups and/or amidine groups to a combined content for these groups of ?1.5 meq/g of polymer, and (b) 0.01 to 50 mol % of 1,4-cyclohexanedione (b) based on the combined amount of primary amino groups and/or amidine groups of the polymers, and also to the paper or board thus obtained.

Abstract: The present invention relates to a process for producing paper, card and board. The present invention is based on the discovery that controlling solids content during the process in a specified manner provide enhanced initial web strength of the paper prior to drying and allows for higher machine speeds in the paper production process as compared to known processes.

Abstract: The invention relates to an aqueous composition comprising (a) polymers having primary amino groups and/or amidine groups to a combined content for these groups of ?1.5 meq/g of polymer, and (b) 0.01 to 50 mol % of 1,4-cyclohexanedione (b) based on the combined amount of primary amino groups and amidine groups of the polymers, wherein the pH of the aqueous composition is ?6, and further to its use as strength enhancer and to a method of producing paper and board, employment of the aqueous composition and also the paper and board thus obtained.

Abstract: The present application relates to high efficiency particles and compositions, such as consumer products, comprising such high efficiency particles as well as processes for making and using such high efficiency particles and compositions comprising such high efficiency particles. Such high efficiency particles and compositions provide enhanced benefit agent delivery to a situs that is treated with such high efficiency particles and compositions.

Abstract: Graft polymers whose grafting base is selected from the group consisting of polymers having vinylamine units, polyamines, polyamidoamines and polymers of ethylenically unsaturated acids and which comprise exclusively oligoalkylenimine side chains as side chains, process for the preparation of graft polymers having oligoalkylenimine side chains, at least one oligoalkylenimine which comprises a terminal aziridine group being grafted onto one of said grafting bases, and the use of the graft polymers thus obtainable as process chemicals in the production of paper, as antimicrobial coating materials, as builders in detergents and for the treatment of metal surfaces.

Abstract: The present invention relates to a process for producing a nanocomposite material from a) at least one inorganic or organometallic metal phase; and b) an organic polymer phase; comprising the polymerization of at least one monomer M which have at least one first polymerizable monomer unit A which has a metal or semimetal M, and at least one second polymerizable organic monomer unit B which is joined to the polymerizable unit A via a covalent chemical bond, under polymerization conditions under which both the polymerizable monomer unit A and the polymerizable unit B polymerize with breakage of the bond between A and B, the monomers M to be polymerized comprising a first monomer M1 and at least one second monomer M2 which differs at least in one of the monomer units A and B from the monomer M1 (embodiment 1), or the monomers to be polymerized comprising, as well as the at least one monomer M, at least one further monomer other than the monomers M, i.e.

Abstract: A system for producing an in-situ foam, which comprises the components from 50 to 98% by weight of one or more inorganic fillers A), from 1 to 48% by weight of one or more water-soluble, cationic polymers B), from 0.5 to 48% by weight of one or more surfactants C), from 0.01 to 5% by weight of one or more crosslinkers D) which are capable of reacting with the polymers B), from 0 to 20% by weight of one or more additives E), where the percentages by weight of the components A) to E) are based on the nonaqueous fraction and the sum of A) to E) is 100% by weight, process for producing an in-situ foam using the components of the system and foaming by means of a gas or a gas mixture and use for thermal insulation and filling of hollow spaces and hollow bodies.