发明名称 Rebond polyurethane foam comprising reclaimed carpet material and methods for the manufacture of same
摘要 Disclosed are rebond polyurethane foams comprised of a plurality of polyurethane foam particles bound together to form a matrix. Reclaimed carpet material is distributed within the matrix of foam particles as a filler material. Also disclosed are methods for the manufacture of the rebond polyurethane foams disclosed herein.
申请公布号 US9410026(B1) 申请公布日期 2016.08.09
申请号 US201012786044 申请日期 2010.05.24
申请人 Columbia Insurance Company 发明人 Rees John J. M.;Fowler Gregory
分类号 C08J11/04;C08G18/00;C08K9/08;C08J9/36 主分类号 C08J11/04
代理机构 Ballard Spahr LLP 代理人 Ballard Spahr LLP
主权项 1. A rebond polyurethane foam, comprising: a plurality of preformed polyurethane foam particles bonded to one another to form a matrix; and reclaimed carpet material distributed within the matrix of polyurethane foam particles, wherein the reclaimed carpet material comprises a population of thermoplastic fibers having non-uniform linear fiber densities; and wherein the reclaimed carpet material is present in an amount of at least 35 parts by weight relative to the total amount of preformed polyurethane foam particles and reclaimed carpet material present in the rebond polyurethane foam.
地址 Omaha NE US