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PROCESS AND APPARATUS FOR APPLYING A COATING TO AT LEAST ONE SIDE OF A LEATHER AND COATED LEATHER PRODUCED BY SUCH A PROCESS
PROCESS AND APPARATUS FOR APPLYING A COATING TO AT LEAST ONE SIDE OF A LEATHER AND COATED LEATHER PRODUCED BY SUCH A PROCESS
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机译:用于在皮革的至少一侧上涂覆涂层的方法和装置以及通过这种方法生产的涂层皮革
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摘要
In order to provide an economical process for applying a coating to at least one side, optionally to both sides, of a leather, in which gentle processing of the leather is ensured and hardening thereof is avoided, an aqueous plastic dispersion having compact particles containing a blowing agent being applied to this side or these sides and being allowed to solidify, and hollow microspheres being formed from the thermoplastic compact particles by supplying heat, the invention proposes that, after solidification, the plastic dispersion containing the compact particles is subjected to the action of expanded superheated steam at a temperature between 80° C. and 100° C. (FIG. 2).
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