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Title:
STARCH-CONTAINING MICROSPHERE AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/037743
Kind Code:
A1
Abstract:
Disclosed is a starch-containing microsphere and a preparation method therefor and an application thereof. The particle size of the starch-containing microsphere exhibits polydispersity with uniform distribution in a particle size concentrated distribution interval, and the particle size distribution in the particle size concentrated distribution interval has the following features: equal division of the particle size concentrated distribution interval into n intervals, and a microsphere percentage in each interval is (I), where n is an integer greater than 1. The preparation method comprises: first reacting starch with a low concentration of epichlorohydrin, and then reacting the resultant product with a surfactant, followed by final crosslinking to give microspheres. The starch-containing microspheres prepared by the present invention are polydisperse starch-containing microspheres with a uniform particle size distribution, with the particle size being in a range of 0.1-500 μm.

Inventors:
YANG, Chao (No. 96, Nankai Street Lushunkou Distric, Dalian Liaoning 5, 116045, CN)
WANG, Chen (No. 96, Nankai Street Lushunkou Distric, Dalian Liaoning 5, 116045, CN)
YIN, Zequn (No. 96, Nankai Street Lushunkou Distric, Dalian Liaoning 5, 116045, CN)
LIU, Quanjie (No. 96, Nankai Street Lushunkou Distric, Dalian Liaoning 5, 116045, CN)
Application Number:
CN2018/101771
Publication Date:
February 28, 2019
Filing Date:
August 22, 2018
Export Citation:
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Assignee:
CHINA PETROLEUM & CHEMICAL CORPORATION (No. 22 Chaoyangmen North Street, Chaoyang District, Beijing 8, 100728, CN)
DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC CORP. (No. 96, Nankai Street Lushunkou Distric, Dalian Liaoning 5, 116045, CN)
International Classes:
C08B31/00; C08F251/00; C08J3/12; C09K8/514; C09K8/516
Domestic Patent References:
WO2003035793A12003-05-01
WO1989003674A11989-05-05
Foreign References:
CN106749921A2017-05-31
CN106389345A2017-02-15
CN102008926A2011-04-13
CN104785179A2015-07-22
CN104761691A2015-07-08
Attorney, Agent or Firm:
RUNPING & PARTNERS (Suite 515, Yingu MansionNo. 9 Beisihuanxilu, Haidian District, Beijing 0, 100190, CN)
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