Water repellent treatment using polysiloxanes containing carboxyl groups

• Main Authors: HASSEL, TILLMANN, SACKMANN, GUENTER, SCHAEFER, WALTER, REINERS, JUERGEN
• Format: Patent
• Language: English; French; German
• Published: 11.06.2008
• Subjects: ADHESIVES; APPARATUS THEREFOR; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMICAL PAINT OR INK REMOVERS; CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; COMPOSITIONS FOR TANNING; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; CORRECTING FLUIDS; DYES; FILLING PASTES; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; HIDES; INKS; LAUNDERING; LEATHER; LIME, MAGNESIA; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PELTS; PERFORMING OPERATIONS; POLISHES; PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; REFRACTORIES; SKINS; SLAG; SPRAYING OR ATOMISING IN GENERAL; TEXTILES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; TREATMENT OF NATURAL STONE; TREATMENT OF TEXTILES OR THE LIKE; TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS; USE OF MATERIALS THEREFOR; WOODSTAINS

New polysiloxanes (A) have structural units containing 3-aminopropyl groups N-substituted or N,N-disubstituted by optionally salified carboxy-terminated side-chains (e.g. 3-N-(5-hydroxypentanoyl)-N-(2-(N-maleoylamino)-ethyl)-aminopropyl or 3-N-(2-(N-maleoylamino)-ethyl)-N-(5-(O-maleoyloxy)-pentanoyl)-aminopropyl groups). New polysiloxanes (A) contains structural unit(s) of formula (A 1>R aSi ( 3 - a ) / 2) k (I) and/or (R cSi ( 4 - c ) / 2) n (II), and optionally terminal group(s) of formula R 3SiO 1 / 2 (III) and/or A 1>R 2SiO 1 / 2 (IV), provided that at least one group (I) or (IV) is present. A 1>-(CH 2) 3-N(Q 1>)(Q 2>); (i) Q 1>CH 2CH 2NHL and Q 2> = CO(CH 2) 5OH or CO(CH 2) 5OCOL; (ii) Q 1>CH 2CH 2NHL' or H and Q 2> = CO(CH 2) 5OL; (iii) Q 1>COOCH 2CH 2OL and Q 2> = CH 2CH 2NHCOOCH 2CH 2OL; (iv) Q 1>CH 2CH 2OCO(CH 2) 5OL and Q 2> = CH 2CH 2NHCO(CH 2) 5OL; (v) Q 1>CH 2CH 2OCO(CH 2) 5OL' and Q 2> = CH 2CH 2N(CH 2CH 2OCO(CH 2) 5OL') 2; (vi) Q 1>H and Q 2> = CONHQ 3>, -(CO(CH 2) 5O) a-L, COO(CH 2) 3OCOCH 2CH 2COOM, CO(CH 2) 5OQ 6> or CO(CH 2) 5O(CH 2CH 2O) mQ 6>; (vii) Q 1>CH 2CH 2NHCO(CH 2) 5OCONHQ 4> and Q 2> = CO(CH 2) 5OCONHQ 4>; (vii) Q 1>, Q 2>CH 2CHMeOCONHCH 2Q 5>; (viii) Q 1>L and Q 2> = CH 2CH 2NHCO(CH 2) 5OL, CH 2CH 2N(CO(CH 2) 5OL)CH 2CH 2OL or CH 2CH 2NHCO(CH 2) 3OL; or (ix) Q 1>CH 2CH 2OCO(CH 2) 5OL and Q 2> = CH 2CH 2OCO(CH 2) 5OL or CH 2CH 2N(CH 2CH 2OCO(CH 2) 5OL) 2; L : COCH=CHCOOM; L' : COCH 2CH 2COOM; Q 3>3,3,5-trimethyl-5-(CH 2NHCOO(CH 2) 3COOM)-cyclohexyl or 4-(C(Me) 2NHCOO(CH 2) 3COOM)-benzyl; a : 2 or 3; Q 4>1,3,3-trimethyl-5-(NHCOOCH 2COOM)-cyclohexylmethyl; Q> 5>4-methyl-4-(NHCONHCH 2COOM)-cyclohexyl; Q 6>2,4-bis-(COOM)-benzoyl; M : H, Na, K, Li, NH 4 or NHR 4>R 5>R 6>; R 4> - R 6>optionally substituted 1-18C alkyl (preferably hydroxyalkyl) or aralkyl (preferably benzyl); R : 1-12C alkyl or Ph; a : 0 or 1; k : 0-50; c : 1 or 2; n : 10-1000. INDEPENDENT CLAIM are included for: (1) methods for the preparation of (A); (2) aqueous dispersions of (A); and (3) the preparation of the (A)-containing aqueous dispersions, by dispersing (A) in water (optionally in presence of a solvent) and distilling off the solvent if present.