Title:
METHOD FOR PREPARING PIGMENT FILLER FOR COMPOSITE MATERIAL BY USING CYANAMIDE WASTE RESIDUE
Document Type and Number:
WIPO Patent Application WO/2022/226924
Kind Code:
A1
Abstract:
A method for preparing a pigment filler for a composite material by using cyanamide waste residue comprises the following steps: carrying out pretreatment on cyanamide waste residue, wherein the pretreatment comprises pulping treatment and nitrogen fixation treatment on the cyanamide waste residue; carrying out ultrafine processing on the pretreated cyanamide waste residue; and carrying out surface modification on the ultrafine-processed cyanamide waste residue.
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Inventors:
REN DONGYIN (CN)
SHANG ZHIXIN (CN)
MA HONGCAI (CN)
QU MINGHAI (CN)
WANG CHENNING (CN)
GUO HAO (CN)
SHANG ZHIXIN (CN)
MA HONGCAI (CN)
QU MINGHAI (CN)
WANG CHENNING (CN)
GUO HAO (CN)
Application Number:
PCT/CN2021/091142
Publication Date:
November 03, 2022
Filing Date:
April 29, 2021
Export Citation:
Assignee:
UNIV DEZHOU (CN)
International Classes:
B09B3/00; C01F11/18; C07C279/28; C08K3/013; C08K3/26; C08K9/02; C08K9/04; C08L9/06; C08L27/06; C09C1/02; C09C3/00; C09D5/08; C09D7/62; C09D167/08
Foreign References:
CN1071181A | 1993-04-21 | |||
CN112642590A | 2021-04-13 | |||
CN111607254A | 2020-09-01 | |||
JP2005187531A | 2005-07-14 | |||
DE2649404A1 | 1978-05-03 |
Attorney, Agent or Firm:
BEIJING BICREATION INTELLECTUAL PROPERTY LLC. (CN)
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