公开(公告)号：WO2014158316A1

公开(公告)日：2014-10-02

申请号：PCT/US2014/011850

申请日：2014-01-16

Applicant: WISCONSIN FILM & BAG, INC. ,  KULESA, Robert, Francis ,  FEENEY, James, J. ,  CARLSTEDT, Richard, Wayne ,  BLAKE, Daniel, William ,  HACKER, Buckell, Gary ,  JOHNSON, Abby, Marie

Inventor： KULESA, Robert, Francis ,  FEENEY, James, J. ,  CARLSTEDT, Richard, Wayne ,  BLAKE, Daniel, William ,  HACKER, Buckell, Gary ,  JOHNSON, Abby, Marie

IPC: B29B17/00 ,  B29B17/04 ,  C08J11/00 ,  B02C23/08

CPC classification number: B29B17/0036 ,  B02C23/08 ,  B02C23/38 ,  B02C23/40 ,  B29B17/0026 ,  B29B17/02 ,  B29B17/04 ,  B29B17/0412 ,  B29B2017/0015 ,  B29B2017/0289 ,  B29K2023/06 ,  B29K2023/0625 ,  B29K2023/0633 ,  B29K2105/065 ,  B29K2105/26 ,  B29L2007/008 ,  C08J11/04 ,  C08J2323/06 ,  Y02W30/62 ,  Y02W30/622 ,  Y02W30/625

Abstract: A method and system for processing a supply of post-consumer scrap linear low density or low density polyethylene film into near-virgin quality blown film product. The method includes tearing the supply of film in a shredder, wherein the surface area of the film is exposed, including delaminating the film. The torn supply of film is washed in a water bath including a surfactant. The film is agitated in the bath containing the surfactant wherein contaminants on the film are removed from the film. The washed film is ground into smaller pieces and additional washing of the ground film in a rotating friction washer and a sink float tank occurs wherein additional contaminants are removed from the film. The ground film is then dried and compacted without addition of water into granulated objects of near-virgin quality blown film product.

Abstract translation: 一种用于将消费后废料线性低密度或低密度聚乙烯薄膜供应到近乎优质吹塑薄膜产品的方法和系统。 该方法包括撕裂粉碎机中的膜的供应，其中膜的表面积被暴露，包括使膜分层。 膜的破损供应在包括表面活性剂的水浴中洗涤。 将膜在含有表面活性剂的浴中搅拌，其中膜上的污染物从膜中除去。 将洗涤的膜研磨成更小的片，并且在旋转的摩擦垫圈和水槽浮子槽中进一步洗涤研磨膜，其中从膜中除去附加的污染物。 然后将地膜干燥并压实，而不将水加入到近似优质吹塑薄膜产品的造粒物中。