Invention Grant
- Patent Title: Method for preparing high fluffiness down by multiple treatments with metal salts
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Application No.: US16805781Application Date: 2020-03-01
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Publication No.: US10760209B1Publication Date: 2020-09-01
- Inventor: Taotao Qiang , Yadong Pu , Qi Zhang
- Applicant: Taotao Qiang , Yadong Pu , Qi Zhang
- Applicant Address: CN Xi'an
- Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Current Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Current Assignee Address: CN Xi'an
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@1b648821
- Main IPC: D06M19/00
- IPC: D06M19/00
Abstract:
A method for preparing a high fluffiness down by multiple treatments with metal salts includes: degreasing a down sample with a degreasing agent; washing the down sample with water; oxidizing the down sample with an oxidizing agent; washing the down sample with water; conducting a first crosslinking treatment with basic zirconium sulfate; washing the down sample with water; conducting a second crosslinking treatment with basic aluminum sulfate; washing the down sample with water; and drying the down sample to obtain the high fluffiness down.
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