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    • 2. 发明授权
    • Process for the production of waterproof leathers and skins
    • 生产防水皮革和皮肤的过程
    • US4527992A
    • 1985-07-09
    • US530244
    • 1983-09-08
    • Hans-Herbert FrieseWolfgang Prinz
    • Hans-Herbert FrieseWolfgang Prinz
    • C14C9/00C14C9/02C14C11/00
    • C14C9/02C14C9/00
    • This invention relates to a process for producing waterproof leathers and skins by tanning, retanning, dyeing, stuffing, and fixing which is characterized in that, after tanning and, optionally, dyeing, stuffing agents (A) in the form of oxidized or oxidized and partly sulfonated long-chain hydrocarbons of waxes and impregnating agents (B) in the form of copolymers or from 60 to 95 mol percent of (meth) acrylic acid and from 5 to 40 mol percent of an ester, amide or nitrile of (meth) acrylic acid having a molecular weight of from 800 to 10,000 in salt form are successively used in the same bath, followed by acidification, fixing and finishing. The co-use of the impregnating agents (B) with the particular stuffing agents (A) results in much greater degree of resistance to water penetration than that obtained by the use of the stuffing agent (A), alone.
    • 本发明涉及通过鞣制,复鞣,染色,填充和定影来生产防水皮革和皮肤的方法,其特征在于,在鞣制和任选地染色之后,以氧化或氧化形式的填充剂(A)和 共聚物形式的蜡和浸渍剂(B)的部分磺化长链烃或(甲基)丙烯酸的60-95摩尔%和(甲基)丙烯酸酯的酯,酰胺或腈的5-40摩尔% 在相同的浴中依次使用盐形式的分子量为800〜10,000的丙烯酸,然后进行酸化,固色和整理。 浸渍剂(B)与特定填充剂(A)的共同使用导致比通过使用填充剂(A)单独获得的水渗透性更高的抗水分性。