POLY-LYSINE DERIVATIVE AND ITS USE IN SOLID-BASED COMPOSITIONS

    公开(公告)号:CA3061199A1

    公开(公告)日:2018-11-15

    申请号:CA3061199

    申请日:2018-04-17

    Applicant: BASF SE

    Abstract: A poly-lysine derivative obtained by a process comprising the steps of (a) heating an aqueous lysine solution to boiling (b) increasing temperature of the aqueous lysine solution to a reaction temperature in the range of about 105°C to about 180°C (c) keep the reaction temperature in the range of about 105°C to about 180°C until i. melt viscosity of the reaction mixture in the range of about 350 m Pa*s to about 6,500 m Pa*s when measured at 160°C and ii. an amine number in the range of about 100 mg KOH/g to about 500 mg KOH/g is achieved (d) optionally, the vacuum applied is released (e) add alkyl-carboxylic acid or alkenyl-carboxylic acid in amounts of 2.5 mol% to 10 mol%, relative to the theoretical amount of poly-lysine comprised in the reaction mixture (f) increase or keep the reaction temperature in the range of about 105°C to about 180°C until number of free alkyl-carboxylic acid or alkenyl-carboxylic acid is = 9% by weight, relative to the total weight of the reaction mixture. wherein vacuum is applied either in step (a), (b) and/or (c) and water is removed continu- ously during the whole process.

    MULTI-LAYERED FILM, METHOD FOR THE PRODUCTION AND USE THEREOF

    公开(公告)号:CA3047197A1

    公开(公告)日:2018-06-21

    申请号:CA3047197

    申请日:2017-12-15

    Applicant: BASF SE

    Abstract: The present invention relates to a multi-layered film comprising at least one layer having a polymer composition or consisting of a polymer composition, obtainable by radical polymerization of a monomer composition, which contains at least one monomer A), which is selected using a,ß-ethylenically unsaturated mono and dicarboxylic acids, salts of an a,ß-ethylenically unsaturated mono and dicarboxylic acid, anhydrides of a,ß-ethylenically unsaturated mono and dicarboxylic acids and mixtures thereof, wherein the radical polymerization takes place in the presence of at least one polyether component. The invention further relates to a method for producing such a multi-layered film, different uses of said type of multi-layered film and specifically to a covering or coating for a washing, cleaning or dishwasher agent portion which comprises such a multi-layered film or consists thereof. The invention also relates to washing, cleaning or dishwasher agents which have such a multi-layered film.

    PROCESS FOR PREPARATION OF MICROCAPSULES

    公开(公告)号:CA3012160A1

    公开(公告)日:2017-08-17

    申请号:CA3012160

    申请日:2017-02-02

    Applicant: BASF SE

    Abstract: Process for the preparation of microcapsules comprising the steps (a) preparation of an aqueous biphasic system by mixing (i) component (a1 ) comprising a component A selected from the group of polymers consisting of polyethylene glycol vinyl acetate comb polymers, polycarboxylates, polyethers, polyaspartates, polyvinylpyrrolidone, polyamines, and polylysine; wherein component (a1 ) is a monophasic system at 23°C, and forms a monophasic system at 23°C if mixed with water in the range of from 1 :99 to 99:1 by weight, and (ii) component (a2) containing water and a water-soluble component B, wherein water-soluble component B is different from component A, and wherein (a2) is a monophasic system at 23°C, and (iii) at least one monomer (a3), and (iv) optionally at least one initiator (a4), wherein (a1 ), (a2), (a3), and (a4) can be mixed together in any order or simultaneously, followed by (b) optionally shearing of the biphasic system to form an emulsion, and (c) polymerization of monomer (a3).

    PROCESS FOR THE ACID DIGESTION OF METAL-CONTAINING COMPOUNDS

    公开(公告)号:CA2644671C

    公开(公告)日:2014-05-20

    申请号:CA2644671

    申请日:2007-02-28

    Applicant: BASF SE

    Abstract: The present invention relates to a process for the acid digestion of metal-containing compounds by leaching by means of an aqueous leachant, wherein the aqueous leachant i) contains an alkanesulphonic acid and, if appropriate, sulphuric acid and/or surfactant and/or ii) a mixture of an alkanesulphonic acid salt and sulphuric acid and also, if appropriate, surfactant. Furthermore, an aqueous leachant containing one or more alkanesulphonic acids and, if appropriate, sulphuric acid and/or surfactant and also an aqueous leachant containing one or more alkanesulphonic acid salts and sulphuric acid and, if appropriate, surfactant are also provided by the present invention.

    Procedimiento para la digestión ácida de compuestos que contienen metales

    公开(公告)号:ES2452029T3

    公开(公告)日:2014-03-31

    申请号:ES07726535

    申请日:2007-02-28

    Applicant: BASF SE

    Abstract: Procedimiento para la digestión ácida de compuestos que contienen metales por lixiviación mediante un agentede lixiviación acuoso, caracterizado porque el agente de lixiviación contiene i) uno o varios ácidosalcanosulfónicos con un resto propilo, etilo o metilo y ácido sulfúrico en una relación en peso de ácidoalcanosulfónico a ácido sulfúrico entre 1 : 1.000 y 1 : 1 y/o ii) una mezcla de una o varias sales de ácidoalcanosulfónico con un resto propilo, etilo o metilo y ácido sulfúrico en una relación en peso de sal de ácidoalcanosulfónico a ácido sulfúrico de 1 : 9 a 1 : 99.

    ANTICORROSION PIGMENTS WITH POSITIVE ZETA POTENTIAL

    公开(公告)号:ZA201204853B

    公开(公告)日:2013-09-25

    申请号:ZA201204853

    申请日:2012-06-29

    Applicant: BASF SE

    Abstract: The present invention relates to the use of oxidic nanoparticles having an average particle size of 2 to 2000 nm in combination with at least one polycationic polymer as corrosion protection for metallic surfaces and also to a method of protecting metallic surfaces from corrosion, comprising the steps of: i) providing a formulation comprising oxidic nanoparticles (a) and at least one polycationic polymer (b) and an application medium, ii) applying the formulation to the metallic surface that is to be protected, and iii) optionally drying and/or heat-treating the surface.

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