GB863771A - Improvements in or relating to the treatment of leather with organopolysiloxane compositions - Google Patents

Improvements in or relating to the treatment of leather with organopolysiloxane compositions

Info

Publication number
GB863771A
GB863771A GB14999/59A GB1499959A GB863771A GB 863771 A GB863771 A GB 863771A GB 14999/59 A GB14999/59 A GB 14999/59A GB 1499959 A GB1499959 A GB 1499959A GB 863771 A GB863771 A GB 863771A
Authority
GB
United Kingdom
Prior art keywords
leather
resins
silicon
softening point
ratio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB14999/59A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhone Poulenc SA
Original Assignee
Rhone Poulenc SA
Societe des Usines Chimiques Rhone Poulenc SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rhone Poulenc SA, Societe des Usines Chimiques Rhone Poulenc SA filed Critical Rhone Poulenc SA
Publication of GB863771A publication Critical patent/GB863771A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C11/00—Surface finishing of leather
    • C14C11/003—Surface finishing of leather using macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09G—POLISHING COMPOSITIONS; SKI WAXES
    • C09G1/00—Polishing compositions
    • C09G1/06—Other polishing compositions
    • C09G1/14—Other polishing compositions based on non-waxy substances
    • C09G1/16—Other polishing compositions based on non-waxy substances on natural or synthetic resins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paints Or Removers (AREA)

Abstract

863,771. Coated leather. SOC. DES USINES CHIMIQUES RHONE-POULENC. May 1, 1959 [May 12, 1958], No. 14999/59. Class 140. [Also in Group IV (a)] A flexible glossy coating is formed on leather by applying thereto a composition comprising, by weight: (a) 4 to 30% of a methylphenylsiloxane resin having a ratio of methyl and phenyl radicals to silicon of 1.3 to 1.6, a ratio of phenyl radicals to silicon of 0.4 to 0.7, and from 1 to 5% of Si-bonded OH groups, and having, in 70% by weight solution in toluene, a viscosity below 120 cs. at 20‹ C. ; (b) 1 to 20% of a wholly organic film-forming resin which dries to a glossy film in ambient air; and (c) 50 to 95% of a volatile solvent for the resins (see Group IV (a)). Resins (b) specified are polyvinylacetals having a softening point between 50‹ and 65‹ C., e.g. polyvinyl butyrals and hexanols having a degree of acetalization of from 95 to 100%, and solid acrylic and methacrylic polymers having a softening point between 50‹ and 80‹ C. Solvents specified are ethyl and butyl acetates, xylene, isopropanol, acetone, methylethylketone and any mixture thereof. The compositions may be applied as by pad, brush or domestic sprayer, or, where the solutions are compatible with propellants such as butane or chlorofluoromethanes, as aerosols. Perfumes, dyes and pigments, e.g. bronze powder, may also be added. Examples are given.
GB14999/59A 1958-05-12 1959-05-01 Improvements in or relating to the treatment of leather with organopolysiloxane compositions Expired GB863771A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR863771X 1958-05-12

Publications (1)

Publication Number Publication Date
GB863771A true GB863771A (en) 1961-03-29

Family

ID=9343385

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14999/59A Expired GB863771A (en) 1958-05-12 1959-05-01 Improvements in or relating to the treatment of leather with organopolysiloxane compositions

Country Status (3)

Country Link
BE (1) BE578559A (en)
FR (1) FR1197149A (en)
GB (1) GB863771A (en)

Also Published As

Publication number Publication date
BE578559A (en)
FR1197149A (en) 1959-11-27

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