Starch-based multi-channel airflow unit and preparation method and application thereof

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United States of America Patent

PATENT NO 11911948
APP PUB NO 20210323210A1
SERIAL NO

17259562

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Abstract

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The invention discloses a starch-based multi-channel airflow unit and a preparation method and an application thereof. The preparation method of the present invention comprises the following steps: melting a polylactic acid, wherein a temperature of a first temperature control zone is 135° C. to 145° C., a temperature of a second temperature control zone is 175° C. to 185° C., a temperature of a third temperature control zone is 190° C. to 200° C., and a temperature of a fourth temperature control zone is 175° C. to 185° C.; gelatinizing a starch-based material, adding the starch-based material in the third temperature control zone and fully mixing the mixture; adding a polyol in the third temperature control zone, and fully mixing the mixture; and extruding out the mixed material through twin screws, sizing in vacuum, cooling and sizing, and winding and cutting to obtain the starch-based multi-channel airflow unit.

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Patent Owner(s)

Patent OwnerAddress
CHINA TOBACCO GUANGDONG INDUSTRIAL CO LTDNO 88 CUINAN ROAD DONGSHA HUAN LIWAN DISTRICT GUANGZHOU CITY GUANGDONG PROVINCE 510145 GUANGZHOU CITY GUANGDONG PROVINCE 510145

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Donge Guangdong, CN 2 0
Hu, Jing Guangdong, CN 117 583
Li, Feng Guangdong, CN 810 5206
Li, Huanwei Guangdong, CN 2 0
Li, Zhenfu Guangdong, CN 3 0
Liu, Xi Guangdong, CN 83 674
Liu, Yibo Guangdong, CN 50 475
Zhao, Ruifeng Guangdong, CN 9 1

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