Aqueous Fiber Precursor Treatment Agent

Example 1

The respective ingredients shown in Table 1 were used and added to a beaker such that blending ratios are 29.97% of a sulfur-containing ester compound (A-1a), 0.03% of a sulfur-containing ester compound (A-1b), 45% of a modified silicone (C-1), and 25% of a surfactant (L-1). These were mixed well by stirring. While continuing to stir, ion exchanged water was added gradually to achieve a solids concentration of 25% and thereby prepare a 25% aqueous liquid of a carbon fiber precursor treatment agent of Example 1.

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US11879205B2. Treatment agent for carbon fiber precursor, aqueous solution of treatment agent for carbon fiber precursor, carbon fiber precursor, and method for producing carbon fibers (2024-01-23). TAKEMOTO YUSHI KABUSHIKI KAISHA [JP]. Inventors: Kohei Oda [JP], Hiroki Honda [JP].

Patent 2024

A a 1 Carbon fiber Silicone Sulfur ester Surfactant

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Variable analysis

independent variables

Blending ratios of the following components:
- 29.97% of a sulfur-containing ester compound (A-1a)
- 0.03% of a sulfur-containing ester compound (A-1b)
- 45% of a modified silicone (C-1)
- 25% of a surfactant (L-1)

dependent variables

Solids concentration of the 25% aqueous liquid of a carbon fiber precursor treatment agent

control variables

Stirring during the mixing process
Addition of ion exchanged water to achieve a 25% solids concentration

controls

No positive or negative controls were explicitly mentioned in the provided information.

Annotations

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