Method for applying sizing agent to textile product, method for manufacturing sizing-applied textile product, method for removing sizing agent from sizing-applied textile product, and method for manufacturing textile product from sizing-applied textile product

A method for applying a sizing agent to a textile product, the method comprising:

• sizing the textile product by bringing the textile product into contact with a fluid containing the sizing agent and supercritical carbon dioxide, wherein,
• the sizing agent contains cellulose acetate.

A method for manufacturing a sizing-applied textile product, the method comprising:

• sizing the textile product by bringing the textile product into contact with a fluid containing a sizing agent and supercritical carbon dioxide, wherein,
• the sizing agent contains cellulose acetate.

A method for removing a sizing agent from a sizing-applied textile product, the method comprising:

• desizing the sizing-applied textile product by bringing the sizing-applied textile product into contact with a fluid containing supercritical carbon dioxide, wherein,
• the sizing agent contains cellulose acetate.

A method for manufacturing a textile product from a sizing-applied textile product, the method comprising:

• desizing the sizing-applied textile product by bringing the sizing-applied textile product into contact with a fluid containing supercritical carbon dioxide, wherein,
• the sizing agent contains cellulose acetate.

The method of claim 1, wherein,

• the fluid further contains a cosolvent.

The method of claim 5, wherein,

• the cosolvent contains acetone.

The method of claim 1, wherein,

• the textile product contains cotton threads.

The method of claim 3, wherein,

• the desizing includes bringing metal balls into contact with the sizing-applied textile product.

The method of claim 3, wherein,

• the desizing is batch processing or continuous processing.