BIODEGRADABLE NONWOVEN MATERIAL AND MOLDED ARTICLE PRODUCTION METHOD Russian patent published in 2024 - IPC D04H3/147 

Abstract RU 2823702 C2

FIELD: textile industry.

SUBSTANCE: biodegradable nonwoven material according to the present invention contains fibers containing a biodegradable thermoplastic resin, and is characterized by that the base weight of material is 10–450 g/m2, difference between melting point and crystallisation start temperature of nonwoven material is not less than 91 °C, and enthalpy of cold crystallisation ΔH of nonwoven material is not less than 1.0 J/g.

EFFECT: present invention proposes: spunbod biodegradable nonwoven material, which has excellent properties of uniform formability and formability (obtaining a neat molded article in a shorter time without tearing, pile or stretching), and which has favorable dimensional stability after molding; as well as a molded article production method.

4 cl, 5 tbl, 46 ex

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RU 2 823 702 C2

Authors

Fujimoto, Yuya

Komatsu, Takashi

Shiota, Eiji

Dates

2024-07-29Published

2022-02-09Filed