公开(公告)号：DK510788D0

公开(公告)日：1988-09-14

申请号：DK510788

申请日：1988-09-14

Applicant: BASF AG

Inventor： AUHORN WERNER ,  DEGEN HANS-JUERGEN ,  HOEHR LOTHAR ,  RIEBELING ULRICH

IPC: D21H19/36 ,  D21H19/44 ,  D21H19/54 ,  D21H19/58 ,  D21H1/28

Abstract: Process for improving the printability of paper by a single- or two-sided application of aqueous coating materials consisting of a) 100 parts by weight of a finely dispersed pigment b) 5 to 70 parts by weight (based on solids) of a cationic aqueous polymer dispersion of a paper size and c) 0.01 to 10 parts by weight of a surfactant which interferes with the formation of the surface sizing and/or of a polymeric dispersant to the surface of the paper in a quantity of 0.5 to 4 g/m and drying the coated paper.

公开(公告)号：AU5460486A

公开(公告)日：1986-10-16

申请号：AU5460486

申请日：1986-03-11

Applicant: BASF AG

Inventor： HIRSCH GUENTER ,  AUHORN WERNER

IPC: C08F220/00 ,  C08F220/04 ,  C08F220/10 ,  C08F220/12 ,  C09K23/00 ,  D21H17/37 ,  D21H17/67 ,  D21H17/69 ,  D21H3/60

Abstract: Aqueous pigment suspensions which are added to the stock suspension during papermaking and contain, as a dispersant, from 0.1 to 2% by weight, based on the pigment, of a copolymer which contains, as copolymerized units, (a) from 40 to 95% by weight of an ester of (meth)acrylic acid with a saturated monohydric C1-C8-alcohol or with a saturated dihydric C2-C4-alcohol and (b) from 60 to 5% by weight of an ethylenically unsaturated C3-C5-carboxylic acid and has a K value of from 10 to 65 (determined according to H. Fikentscher in 1% aqueous solution in the form of the ammonium salt at pH 9 and at 20 DEG C.), their preparation and their use.

公开(公告)号：FI860927A

公开(公告)日：1986-09-13

申请号：FI860927

申请日：1986-03-05

Applicant: BASF AG

Inventor： HIRSCH GUENTER ,  AUHORN WERNER

IPC: C08F220/04 ,  C08F220/00 ,  C08F220/10 ,  C08F220/12 ,  C09K23/00 ,  D21H17/37 ,  D21H17/67 ,  D21H17/69 ,  D21H

Abstract: Aqueous pigment suspensions which are added to the stock suspension during papermaking and contain, as a dispersant, from 0.1 to 2% by weight, based on the pigment, of a copolymer which contains, as copolymerized units, (a) from 40 to 95% by weight of an ester of (meth)acrylic acid with a saturated monohydric C1-C8-alcohol or with a saturated dihydric C2-C4-alcohol and (b) from 60 to 5% by weight of an ethylenically unsaturated C3-C5-carboxylic acid and has a K value of from 10 to 65 (determined according to H. Fikentscher in 1% aqueous solution in the form of the ammonium salt at pH 9 and at 20 DEG C.), their preparation and their use.

公开(公告)号：FI860927A0

公开(公告)日：1986-03-05

申请号：FI860927

申请日：1986-03-05

Applicant: BASF AG

Inventor： HIRSCH GUENTER ,  AUHORN WERNER

IPC: C08F220/04 ,  C08F220/00 ,  C08F220/10 ,  C08F220/12 ,  C09K23/00 ,  D21H17/37 ,  D21H17/67 ,  D21H17/69 ,  D21H

Abstract: Aqueous pigment suspensions which are added to the stock suspension during papermaking and contain, as a dispersant, from 0.1 to 2% by weight, based on the pigment, of a copolymer which contains, as copolymerized units, (a) from 40 to 95% by weight of an ester of (meth)acrylic acid with a saturated monohydric C1-C8-alcohol or with a saturated dihydric C2-C4-alcohol and (b) from 60 to 5% by weight of an ethylenically unsaturated C3-C5-carboxylic acid and has a K value of from 10 to 65 (determined according to H. Fikentscher in 1% aqueous solution in the form of the ammonium salt at pH 9 and at 20 DEG C.), their preparation and their use.

公开(公告)号：DE3264506D1

公开(公告)日：1985-08-08

申请号：DE3264506

申请日：1982-03-19

Applicant: BASF AG

Inventor： DEGEN HANS-JUERGEN DR ,  GUENDER WOLF DR ,  LINHART FRIEDRICH DR ,  AUHORN WERNER ,  FREY GUENTER DR ,  STREIT WERNER DR ,  FIKENTSCHER ROLF DR

IPC: C02F1/58 ,  B01D21/01 ,  B01D37/02 ,  C02F1/28 ,  C02F1/52 ,  C02F1/54

Abstract: A process for removing anionic compounds from water which is recycled in manufacturing processes, and from waste water, by adding (1) water-soluble products obtained by reacting an alkylating agent, having an aromatic substituent, with a cationic polyelectrolyte and (2) mineral adsorbents and/or a magnesium salt, aluminum salt or iron salt, with formation and flocculation of water-insoluble reaction products.

公开(公告)号：AT14108T

公开(公告)日：1985-07-15

申请号：AT82102267

申请日：1982-03-19

Applicant: BASF AG

Inventor： DEGEN HANS-JUERGEN DR ,  GUENDER WOLF DR ,  LINHART FRIEDRICH DR ,  AUHORN WERNER ,  FREY GUENTER DR ,  STREIT WERNER DR ,  FIKENTSCHER ROLF DR

IPC: C02F1/58 ,  B01D21/01 ,  B01D37/02 ,  C02F1/28 ,  C02F1/52 ,  C02F1/54

公开(公告)号：NO811681A

公开(公告)日：1981-11-20

申请号：NO811681

申请日：1981-05-18

Applicant: BASF AG

Inventor： APPL MAX ,  AUHORN WERNER ,  LUKAS SIEGMAR ,  SCHREINER SIEGFRIED ,  TREIBER GERT ,  VOELKL ERFRIED

IPC: D21C20060101 ,  D21C9/10 ,  D21C

公开(公告)号：NO143429C

公开(公告)日：1981-02-11

申请号：NO752597

申请日：1975-07-22

Applicant: BASF AG

Inventor： SCHARF EMIL ,  FIKENTSCHER ROLF ,  AUHORN WERNER ,  STREIT WERNER

IPC: C08G73/00 ,  C02F1/54 ,  C08G20060101 ,  C08G65/26 ,  C08G69/40 ,  C08G73/02 ,  C08G73/04 ,  C08G81/00 ,  C08G83/00 ,  C08L79/02 ,  D21C9/18 ,  D21H17/54 ,  D21H17/56 ,  D21H3/48

Abstract: Production of water-sol?ble crosslinked auxiliari?s for the papermaking industry by reacting(a) one equivalent of NH groups of a polyalkylene polyamine having from 15 to 500 alkyleneimine units with(b) from 0.001 to 0.08 mole of a reaction product obtained from a polyalkylene oxide having from 8 to 100 alkylene oxide units with epichlorohydrin, in aqueous solution at a temperature of from 20.degree. to 100.degree.C. The viscosity of an aqueous solution containing 20% by weight of the crosslinked auxiliaries is from 300 to 1,500 centipoises (20.degree.C).

公开(公告)号：NO143429B

公开(公告)日：1980-11-03

申请号：NO752597

申请日：1975-07-22

Applicant: BASF AG

Inventor： SCHARF EMIL ,  FIKENTSCHER ROLF ,  AUHORN WERNER ,  STREIT WERNER

IPC: C08G73/00 ,  C02F1/54 ,  C08G20060101 ,  C08G65/26 ,  C08G69/40 ,  C08G73/02 ,  C08G73/04 ,  C08G81/00 ,  C08G83/00 ,  C08L79/02 ,  D21C9/18 ,  D21H17/54 ,  D21H17/56 ,  D21H3/48

Abstract: Production of water-sol?ble crosslinked auxiliari?s for the papermaking industry by reacting(a) one equivalent of NH groups of a polyalkylene polyamine having from 15 to 500 alkyleneimine units with(b) from 0.001 to 0.08 mole of a reaction product obtained from a polyalkylene oxide having from 8 to 100 alkylene oxide units with epichlorohydrin, in aqueous solution at a temperature of from 20.degree. to 100.degree.C. The viscosity of an aqueous solution containing 20% by weight of the crosslinked auxiliaries is from 300 to 1,500 centipoises (20.degree.C).

公开(公告)号：CA1058794A

公开(公告)日：1979-07-17

申请号：CA231008

申请日：1975-07-08

Applicant: BASF AG

Inventor： SCHARF EMIL ,  FIKENTSCHER ROLF ,  AUHORN WERNER ,  STREIT WERNER

IPC: C08G81/00 ,  C08G69/40 ,  D21H17/55 ,  D21H17/56 ,  D21H21/10 ,  C08L71/02 ,  C08L77/06 ,  D21D3/00

Abstract: Crosslinked water-soluble reaction products for the papermaking industry obtained by reacting (a) 1 part by weight of an ethyleneimine-grafted polyamidoamine obtained by condensing 1 mole of a dicarboxylic acid having from 4 to 10 carbon atoms with from 0.8 to 1.4 moles of a polyalkylene polyamine having from 3 to 10 alkyleneimine units, followed by grafting of from 2 to 8 ethyleneimine units per basic nitrogen atom onto the resulting polyamidoamine, with (b) from 0.3 to 2 parts by weight of a reaction product obtained by reacting a polyalkylene oxide having from 8 to 100 alkylene oxide units with epichlorohydrin in the presence of a Lewis acid, so that from 1.0 to 1.5 moles of epichlorohydrin are present per equivalent of hydroxyl groups in the polyalkylene oxide, at a temperature of from 20.degree. to 100.degree.C in aqueous solution or in a solution in water and a water-soluble organic solvent, the solution having a solids content of from 5 to 50% by weight, the reaction being carried to a point at which the viscosity of an aqueous solution containing 20% of the auxiliary is from 300 to 2,500 centipoises at 20.degree.C.