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US 2022/0064824 A1Published application
Bundled yarn, hydraulic composition and molded body
AssigneeKurarayco., Ltd.
InventorsAkira IMAGAWA, Takafumi HORIKOSHI, Hisashi SUEMORI, Yoshihiro IWASAKI
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Abstract
The present invention relates to a bundled yarn, comprising plural fibers integrated by a sizing agent, wherein the sizing agent is a modified polyvinyl alcohol comprising a structural unit (X) derived from an unsaturated carboxylic acid or derivative thereof in an amount of 0.1 to 10% by mole, taking the amount of all monomer units as 100% by mole, which modified polyvinyl alcohol has a saponification degree of 85% by mole or higher.
Claims12
A bundled yarn, comprising plural fibers integrated by a sizing agent,
- wherein the sizing agent is a modified polyvinyl alcohol comprising a structural unit (X) derived from an unsaturated carboxylic acid or derivative thereof in an amount of 0.1 to 10% by mole, taking an amount of all monomer units as 100% by mole, which modified polyvinyl alcohol has a saponification degree of 85% by mole or higher.
Dependencies are inferred from the claim text.