METHOD FOR PREPARING PIGMENT FILLER FOR COMPOSITE MATERIAL BY USING CYANAMIDE WASTE RESIDUE

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)

Application Number:

PCT/CN2021/091142

Publication Date:

November 03, 2022

Filing Date:

April 29, 2021

Export Citation:

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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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