Anthony John Allen - Wilmington DE George Lock - Newark DE
Assignee:
Hercules Incorporated - Wilmington DE
International Classification:
B31F 112 D21H 1756 B32B 2906
US Classification:
162111
Abstract:
A composition for creping fibrous webs comprises (1) a polyamine/epihalohydrin resin creping adhesive, and (2) a creping release agent that is a plasticizer for the polyamine/epihalohydrin resin and has a swelling ratio of at least 0. 10 and a solubility parameter >20 MPa. sup. 1/2. Also disclosed is a process for creping fibrous webs in which the creping adhesive and the release agent can be applied together or separately to a drying surface for the fibrous web.
Anthony John Allen - Wilmington DE George Lock - Newark DE
Assignee:
Hercules Incorporated - Wilmington DE
International Classification:
B31F 112
US Classification:
162111
Abstract:
A method for creping fibrous webs comprises: (1) applying to a drying surface for the fibrous web a polyamine/epihalohydrin resin creping adhesive; (2) applying a creping release agent that is a plasticizer for the polyamine/epihalohydrin resin and has a swelling ratio of at least 0. 10 and a solubility parameter of greater than 20 MPa. sup. 1/2 ; (3) pressing the fibrous web against the drying surface to adhere the web to the drying surface, and (4) dislodging the web from the drying surface with a creping device to crepe the fibrous web.
